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moto/tests/test_dynamodb/test_dynamodb.py

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import uuid
from datetime import datetime
from decimal import Decimal
import boto3
from boto3.dynamodb.conditions import Attr, Key
import re
import sure # noqa # pylint: disable=unused-import
from moto import mock_dynamodb, settings
from moto.core import DEFAULT_ACCOUNT_ID as ACCOUNT_ID
from moto.dynamodb import dynamodb_backends
from botocore.exceptions import ClientError
import moto.dynamodb.comparisons
import moto.dynamodb.models
import pytest
@mock_dynamodb
@pytest.mark.parametrize(
"names",
[[], ["TestTable"], ["TestTable1", "TestTable2"]],
ids=["no-table", "one-table", "multiple-tables"],
)
def test_list_tables_boto3(names):
conn = boto3.client("dynamodb", region_name="us-west-2")
for name in names:
conn.create_table(
TableName=name,
KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "id", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
conn.list_tables()["TableNames"].should.equal(names)
@mock_dynamodb
def test_list_tables_paginated():
conn = boto3.client("dynamodb", region_name="us-west-2")
for name in ["name1", "name2", "name3"]:
conn.create_table(
TableName=name,
KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "id", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
res = conn.list_tables(Limit=2)
res.should.have.key("TableNames").equal(["name1", "name2"])
res.should.have.key("LastEvaluatedTableName").equal("name2")
res = conn.list_tables(Limit=1, ExclusiveStartTableName="name1")
res.should.have.key("TableNames").equal(["name2"])
res.should.have.key("LastEvaluatedTableName").equal("name2")
res = conn.list_tables(ExclusiveStartTableName="name1")
res.should.have.key("TableNames").equal(["name2", "name3"])
res.shouldnt.have.key("LastEvaluatedTableName")
@mock_dynamodb
def test_describe_missing_table_boto3():
conn = boto3.client("dynamodb", region_name="us-west-2")
with pytest.raises(ClientError) as ex:
conn.describe_table(TableName="messages")
ex.value.response["Error"]["Code"].should.equal("ResourceNotFoundException")
ex.value.response["ResponseMetadata"]["HTTPStatusCode"].should.equal(400)
ex.value.response["Error"]["Message"].should.equal(
"Requested resource not found: Table: messages not found"
)
@mock_dynamodb
def test_list_table_tags():
name = "TestTable"
conn = boto3.client(
"dynamodb",
region_name="us-west-2",
aws_access_key_id="ak",
aws_secret_access_key="sk",
)
conn.create_table(
TableName=name,
KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "id", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
table_description = conn.describe_table(TableName=name)
arn = table_description["Table"]["TableArn"]
# Tag table
tags = [
{"Key": "TestTag", "Value": "TestValue"},
{"Key": "TestTag2", "Value": "TestValue2"},
]
conn.tag_resource(ResourceArn=arn, Tags=tags)
# Check tags
resp = conn.list_tags_of_resource(ResourceArn=arn)
assert resp["Tags"] == tags
# Remove 1 tag
conn.untag_resource(ResourceArn=arn, TagKeys=["TestTag"])
# Check tags
resp = conn.list_tags_of_resource(ResourceArn=arn)
assert resp["Tags"] == [{"Key": "TestTag2", "Value": "TestValue2"}]
@mock_dynamodb
def test_list_table_tags_empty():
name = "TestTable"
conn = boto3.client(
"dynamodb",
region_name="us-west-2",
aws_access_key_id="ak",
aws_secret_access_key="sk",
)
conn.create_table(
TableName=name,
KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "id", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
table_description = conn.describe_table(TableName=name)
arn = table_description["Table"]["TableArn"]
resp = conn.list_tags_of_resource(ResourceArn=arn)
assert resp["Tags"] == []
@mock_dynamodb
def test_list_table_tags_paginated():
name = "TestTable"
conn = boto3.client(
"dynamodb",
region_name="us-west-2",
aws_access_key_id="ak",
aws_secret_access_key="sk",
)
conn.create_table(
TableName=name,
KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "id", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
table_description = conn.describe_table(TableName=name)
arn = table_description["Table"]["TableArn"]
for i in range(11):
tags = [{"Key": f"TestTag{i}", "Value": "TestValue"}]
conn.tag_resource(ResourceArn=arn, Tags=tags)
resp = conn.list_tags_of_resource(ResourceArn=arn)
assert len(resp["Tags"]) == 10
assert "NextToken" in resp.keys()
resp2 = conn.list_tags_of_resource(ResourceArn=arn, NextToken=resp["NextToken"])
assert len(resp2["Tags"]) == 1
assert "NextToken" not in resp2.keys()
@mock_dynamodb
def test_list_not_found_table_tags():
conn = boto3.client(
"dynamodb",
region_name="us-west-2",
aws_access_key_id="ak",
aws_secret_access_key="sk",
)
arn = "DymmyArn"
try:
conn.list_tags_of_resource(ResourceArn=arn)
except ClientError as exception:
assert exception.response["Error"]["Code"] == "ResourceNotFoundException"
@mock_dynamodb
def test_item_add_empty_string_hash_key_exception():
name = "TestTable"
conn = boto3.client(
"dynamodb",
region_name="us-west-2",
aws_access_key_id="ak",
aws_secret_access_key="sk",
)
conn.create_table(
TableName=name,
KeySchema=[{"AttributeName": "forum_name", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "forum_name", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
with pytest.raises(ClientError) as ex:
conn.put_item(
TableName=name,
Item={
"forum_name": {"S": ""},
"subject": {"S": "Check this out!"},
"Body": {"S": "http://url_to_lolcat.gif"},
"SentBy": {"S": "someone@somewhere.edu"},
"ReceivedTime": {"S": "12/9/2011 11:36:03 PM"},
},
)
ex.value.response["Error"]["Code"].should.equal("ValidationException")
ex.value.response["ResponseMetadata"]["HTTPStatusCode"].should.equal(400)
ex.value.response["Error"]["Message"].should.match(
"One or more parameter values were invalid: An AttributeValue may not contain an empty string"
)
@mock_dynamodb
def test_item_add_empty_string_range_key_exception():
name = "TestTable"
conn = boto3.client(
"dynamodb",
region_name="us-west-2",
aws_access_key_id="ak",
aws_secret_access_key="sk",
)
conn.create_table(
TableName=name,
KeySchema=[
{"AttributeName": "forum_name", "KeyType": "HASH"},
{"AttributeName": "ReceivedTime", "KeyType": "RANGE"},
],
AttributeDefinitions=[
{"AttributeName": "forum_name", "AttributeType": "S"},
{"AttributeName": "ReceivedTime", "AttributeType": "S"},
],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
with pytest.raises(ClientError) as ex:
conn.put_item(
TableName=name,
Item={
"forum_name": {"S": "LOLCat Forum"},
"subject": {"S": "Check this out!"},
"Body": {"S": "http://url_to_lolcat.gif"},
"SentBy": {"S": "someone@somewhere.edu"},
"ReceivedTime": {"S": ""},
},
)
ex.value.response["Error"]["Code"].should.equal("ValidationException")
ex.value.response["ResponseMetadata"]["HTTPStatusCode"].should.equal(400)
ex.value.response["Error"]["Message"].should.match(
"One or more parameter values were invalid: An AttributeValue may not contain an empty string"
)
@mock_dynamodb
def test_item_add_empty_string_attr_no_exception():
name = "TestTable"
conn = boto3.client(
"dynamodb",
region_name="us-west-2",
aws_access_key_id="ak",
aws_secret_access_key="sk",
)
conn.create_table(
TableName=name,
KeySchema=[{"AttributeName": "forum_name", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "forum_name", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
conn.put_item(
TableName=name,
Item={
"forum_name": {"S": "LOLCat Forum"},
"subject": {"S": "Check this out!"},
"Body": {"S": "http://url_to_lolcat.gif"},
"SentBy": {"S": ""},
"ReceivedTime": {"S": "12/9/2011 11:36:03 PM"},
},
)
@mock_dynamodb
def test_update_item_with_empty_string_attr_no_exception():
name = "TestTable"
conn = boto3.client(
"dynamodb",
region_name="us-west-2",
aws_access_key_id="ak",
aws_secret_access_key="sk",
)
conn.create_table(
TableName=name,
KeySchema=[{"AttributeName": "forum_name", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "forum_name", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
conn.put_item(
TableName=name,
Item={
"forum_name": {"S": "LOLCat Forum"},
"subject": {"S": "Check this out!"},
"Body": {"S": "http://url_to_lolcat.gif"},
"SentBy": {"S": "test"},
"ReceivedTime": {"S": "12/9/2011 11:36:03 PM"},
},
)
conn.update_item(
TableName=name,
Key={"forum_name": {"S": "LOLCat Forum"}},
UpdateExpression="set Body=:Body",
ExpressionAttributeValues={":Body": {"S": ""}},
)
@mock_dynamodb
def test_query_invalid_table():
conn = boto3.client(
"dynamodb",
region_name="us-west-2",
aws_access_key_id="ak",
aws_secret_access_key="sk",
)
try:
conn.query(
TableName="invalid_table",
KeyConditionExpression="index1 = :partitionkeyval",
ExpressionAttributeValues={":partitionkeyval": {"S": "test"}},
)
except ClientError as exception:
assert exception.response["Error"]["Code"] == "ResourceNotFoundException"
@mock_dynamodb
def test_put_item_with_special_chars():
name = "TestTable"
conn = boto3.client(
"dynamodb",
region_name="us-west-2",
aws_access_key_id="ak",
aws_secret_access_key="sk",
)
conn.create_table(
TableName=name,
KeySchema=[{"AttributeName": "forum_name", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "forum_name", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
conn.put_item(
TableName=name,
Item={
"forum_name": {"S": "LOLCat Forum"},
"subject": {"S": "Check this out!"},
"Body": {"S": "http://url_to_lolcat.gif"},
"SentBy": {"S": "test"},
"ReceivedTime": {"S": "12/9/2011 11:36:03 PM"},
'"': {"S": "foo"},
},
)
@mock_dynamodb
def test_put_item_with_streams():
name = "TestTable"
conn = boto3.client(
"dynamodb",
region_name="us-west-2",
aws_access_key_id="ak",
aws_secret_access_key="sk",
)
conn.create_table(
TableName=name,
KeySchema=[{"AttributeName": "forum_name", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "forum_name", "AttributeType": "S"}],
StreamSpecification={
"StreamEnabled": True,
"StreamViewType": "NEW_AND_OLD_IMAGES",
},
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
conn.put_item(
TableName=name,
Item={
"forum_name": {"S": "LOLCat Forum"},
"subject": {"S": "Check this out!"},
"Body": {"S": "http://url_to_lolcat.gif"},
"SentBy": {"S": "test"},
"Data": {"M": {"Key1": {"S": "Value1"}, "Key2": {"S": "Value2"}}},
},
)
result = conn.get_item(TableName=name, Key={"forum_name": {"S": "LOLCat Forum"}})
result["Item"].should.be.equal(
{
"forum_name": {"S": "LOLCat Forum"},
"subject": {"S": "Check this out!"},
"Body": {"S": "http://url_to_lolcat.gif"},
"SentBy": {"S": "test"},
"Data": {"M": {"Key1": {"S": "Value1"}, "Key2": {"S": "Value2"}}},
}
)
if not settings.TEST_SERVER_MODE:
table = dynamodb_backends[ACCOUNT_ID]["us-west-2"].get_table(name)
len(table.stream_shard.items).should.be.equal(1)
stream_record = table.stream_shard.items[0].record
stream_record["eventName"].should.be.equal("INSERT")
stream_record["dynamodb"]["SizeBytes"].should.be.equal(447)
@mock_dynamodb
def test_basic_projection_expression_using_get_item():
dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
client = boto3.client("dynamodb", region_name="us-east-1")
# Create the DynamoDB table.
table = dynamodb.create_table(
TableName="users",
KeySchema=[
{"AttributeName": "forum_name", "KeyType": "HASH"},
{"AttributeName": "subject", "KeyType": "RANGE"},
],
AttributeDefinitions=[
{"AttributeName": "forum_name", "AttributeType": "S"},
{"AttributeName": "subject", "AttributeType": "S"},
],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
table = dynamodb.Table("users")
table.put_item(
Item={"forum_name": "the-key", "subject": "123", "body": "some test message"}
)
table.put_item(
Item={
"forum_name": "not-the-key",
"subject": "123",
"body": "some other test message",
}
)
result = table.get_item(
Key={"forum_name": "the-key", "subject": "123"},
ProjectionExpression="body, subject",
)
result["Item"].should.be.equal({"subject": "123", "body": "some test message"})
# The projection expression should not remove data from storage
result = table.get_item(Key={"forum_name": "the-key", "subject": "123"})
result["Item"].should.be.equal(
{"forum_name": "the-key", "subject": "123", "body": "some test message"}
)
# Running this against AWS DDB gives an exception so make sure it also fails.:
with pytest.raises(client.exceptions.ClientError):
# botocore.exceptions.ClientError: An error occurred (ValidationException) when calling the GetItem
# operation: "Can not use both expression and non-expression parameters in the same request:
# Non-expression parameters: {AttributesToGet} Expression parameters: {ProjectionExpression}"
table.get_item(
Key={"forum_name": "the-key", "subject": "123"},
ProjectionExpression="body",
AttributesToGet=["body"],
)
@mock_dynamodb
def test_basic_projection_expressions_using_scan():
dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
# Create the DynamoDB table.
dynamodb.create_table(
TableName="users",
KeySchema=[
{"AttributeName": "forum_name", "KeyType": "HASH"},
{"AttributeName": "subject", "KeyType": "RANGE"},
],
AttributeDefinitions=[
{"AttributeName": "forum_name", "AttributeType": "S"},
{"AttributeName": "subject", "AttributeType": "S"},
],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
table = dynamodb.Table("users")
table.put_item(
Item={"forum_name": "the-key", "subject": "123", "body": "some test message"}
)
table.put_item(
Item={
"forum_name": "not-the-key",
"subject": "123",
"body": "some other test message",
}
)
# Test a scan returning all items
results = table.scan(
FilterExpression=Key("forum_name").eq("the-key"),
ProjectionExpression="body, subject",
)
assert "body" in results["Items"][0]
assert results["Items"][0]["body"] == "some test message"
assert "subject" in results["Items"][0]
table.put_item(
Item={
"forum_name": "the-key",
"subject": "1234",
"body": "yet another test message",
}
)
results = table.scan(
FilterExpression=Key("forum_name").eq("the-key"), ProjectionExpression="body"
)
bodies = [item["body"] for item in results["Items"]]
bodies.should.contain("some test message")
bodies.should.contain("yet another test message")
assert "subject" not in results["Items"][0]
assert "forum_name" not in results["Items"][0]
assert "subject" not in results["Items"][1]
assert "forum_name" not in results["Items"][1]
# The projection expression should not remove data from storage
results = table.query(KeyConditionExpression=Key("forum_name").eq("the-key"))
assert "subject" in results["Items"][0]
assert "body" in results["Items"][1]
assert "forum_name" in results["Items"][1]
@mock_dynamodb
def test_nested_projection_expression_using_get_item():
dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
# Create the DynamoDB table.
dynamodb.create_table(
TableName="users",
KeySchema=[{"AttributeName": "forum_name", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "forum_name", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
table = dynamodb.Table("users")
table.put_item(
Item={
"forum_name": "key1",
"nested": {
"level1": {"id": "id1", "att": "irrelevant"},
"level2": {"id": "id2", "include": "all"},
"level3": {"id": "irrelevant"},
},
"foo": "bar",
}
)
table.put_item(
Item={
"forum_name": "key2",
"nested": {"id": "id2", "incode": "code2"},
"foo": "bar",
}
)
# Test a get_item returning all items
result = table.get_item(
Key={"forum_name": "key1"},
ProjectionExpression="nested.level1.id, nested.level2",
)["Item"]
result.should.equal(
{"nested": {"level1": {"id": "id1"}, "level2": {"id": "id2", "include": "all"}}}
)
# Assert actual data has not been deleted
result = table.get_item(Key={"forum_name": "key1"})["Item"]
result.should.equal(
{
"foo": "bar",
"forum_name": "key1",
"nested": {
"level1": {"id": "id1", "att": "irrelevant"},
"level2": {"id": "id2", "include": "all"},
"level3": {"id": "irrelevant"},
},
}
)
@mock_dynamodb
def test_basic_projection_expressions_using_query():
dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
# Create the DynamoDB table.
dynamodb.create_table(
TableName="users",
KeySchema=[
{"AttributeName": "forum_name", "KeyType": "HASH"},
{"AttributeName": "subject", "KeyType": "RANGE"},
],
AttributeDefinitions=[
{"AttributeName": "forum_name", "AttributeType": "S"},
{"AttributeName": "subject", "AttributeType": "S"},
],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
table = dynamodb.Table("users")
table.put_item(
Item={"forum_name": "the-key", "subject": "123", "body": "some test message"}
)
table.put_item(
Item={
"forum_name": "not-the-key",
"subject": "123",
"body": "some other test message",
}
)
# Test a query returning all items
result = table.query(
KeyConditionExpression=Key("forum_name").eq("the-key"),
ProjectionExpression="body, subject",
)["Items"][0]
assert "body" in result
assert result["body"] == "some test message"
assert "subject" in result
assert "forum_name" not in result
table.put_item(
Item={
"forum_name": "the-key",
"subject": "1234",
"body": "yet another test message",
}
)
items = table.query(
KeyConditionExpression=Key("forum_name").eq("the-key"),
ProjectionExpression="body",
)["Items"]
assert "body" in items[0]
assert "subject" not in items[0]
assert items[0]["body"] == "some test message"
assert "body" in items[1]
assert "subject" not in items[1]
assert items[1]["body"] == "yet another test message"
# The projection expression should not remove data from storage
items = table.query(KeyConditionExpression=Key("forum_name").eq("the-key"))["Items"]
assert "subject" in items[0]
assert "body" in items[1]
assert "forum_name" in items[1]
@mock_dynamodb
def test_nested_projection_expression_using_query():
dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
# Create the DynamoDB table.
dynamodb.create_table(
TableName="users",
KeySchema=[{"AttributeName": "forum_name", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "forum_name", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
table = dynamodb.Table("users")
table.put_item(
Item={
"forum_name": "key1",
"nested": {
"level1": {"id": "id1", "att": "irrelevant"},
"level2": {"id": "id2", "include": "all"},
"level3": {"id": "irrelevant"},
},
"foo": "bar",
}
)
table.put_item(
Item={
"forum_name": "key2",
"nested": {"id": "id2", "incode": "code2"},
"foo": "bar",
}
)
# Test a query returning all items
result = table.query(
KeyConditionExpression=Key("forum_name").eq("key1"),
ProjectionExpression="nested.level1.id, nested.level2",
)["Items"][0]
assert "nested" in result
result["nested"].should.equal(
{"level1": {"id": "id1"}, "level2": {"id": "id2", "include": "all"}}
)
assert "foo" not in result
# Assert actual data has not been deleted
result = table.query(KeyConditionExpression=Key("forum_name").eq("key1"))["Items"][
0
]
result.should.equal(
{
"foo": "bar",
"forum_name": "key1",
"nested": {
"level1": {"id": "id1", "att": "irrelevant"},
"level2": {"id": "id2", "include": "all"},
"level3": {"id": "irrelevant"},
},
}
)
@mock_dynamodb
def test_nested_projection_expression_using_scan():
dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
# Create the DynamoDB table.
dynamodb.create_table(
TableName="users",
KeySchema=[{"AttributeName": "forum_name", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "forum_name", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
table = dynamodb.Table("users")
table.put_item(
Item={
"forum_name": "key1",
"nested": {
"level1": {"id": "id1", "att": "irrelevant"},
"level2": {"id": "id2", "include": "all"},
"level3": {"id": "irrelevant"},
},
"foo": "bar",
}
)
table.put_item(
Item={
"forum_name": "key2",
"nested": {"id": "id2", "incode": "code2"},
"foo": "bar",
}
)
# Test a scan
results = table.scan(
FilterExpression=Key("forum_name").eq("key1"),
ProjectionExpression="nested.level1.id, nested.level2",
)["Items"]
results.should.equal(
[
{
"nested": {
"level1": {"id": "id1"},
"level2": {"include": "all", "id": "id2"},
}
}
]
)
# Assert original data is still there
results = table.scan(FilterExpression=Key("forum_name").eq("key1"))["Items"]
results.should.equal(
[
{
"forum_name": "key1",
"foo": "bar",
"nested": {
"level1": {"att": "irrelevant", "id": "id1"},
"level2": {"include": "all", "id": "id2"},
"level3": {"id": "irrelevant"},
},
}
]
)
@mock_dynamodb
def test_basic_projection_expression_using_get_item_with_attr_expression_names():
dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
# Create the DynamoDB table.
table = dynamodb.create_table(
TableName="users",
KeySchema=[
{"AttributeName": "forum_name", "KeyType": "HASH"},
{"AttributeName": "subject", "KeyType": "RANGE"},
],
AttributeDefinitions=[
{"AttributeName": "forum_name", "AttributeType": "S"},
{"AttributeName": "subject", "AttributeType": "S"},
],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
table = dynamodb.Table("users")
table.put_item(
Item={
"forum_name": "the-key",
"subject": "123",
"body": "some test message",
"attachment": "something",
}
)
table.put_item(
Item={
"forum_name": "not-the-key",
"subject": "123",
"body": "some other test message",
"attachment": "something",
}
)
result = table.get_item(
Key={"forum_name": "the-key", "subject": "123"},
ProjectionExpression="#rl, #rt, subject",
ExpressionAttributeNames={"#rl": "body", "#rt": "attachment"},
)
result["Item"].should.be.equal(
{"subject": "123", "body": "some test message", "attachment": "something"}
)
@mock_dynamodb
def test_basic_projection_expressions_using_query_with_attr_expression_names():
dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
# Create the DynamoDB table.
table = dynamodb.create_table(
TableName="users",
KeySchema=[
{"AttributeName": "forum_name", "KeyType": "HASH"},
{"AttributeName": "subject", "KeyType": "RANGE"},
],
AttributeDefinitions=[
{"AttributeName": "forum_name", "AttributeType": "S"},
{"AttributeName": "subject", "AttributeType": "S"},
],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
table = dynamodb.Table("users")
table.put_item(
Item={
"forum_name": "the-key",
"subject": "123",
"body": "some test message",
"attachment": "something",
}
)
table.put_item(
Item={
"forum_name": "not-the-key",
"subject": "123",
"body": "some other test message",
"attachment": "something",
}
)
# Test a query returning all items
results = table.query(
KeyConditionExpression=Key("forum_name").eq("the-key"),
ProjectionExpression="#rl, #rt, subject",
ExpressionAttributeNames={"#rl": "body", "#rt": "attachment"},
)
assert "body" in results["Items"][0]
assert results["Items"][0]["body"] == "some test message"
assert "subject" in results["Items"][0]
assert results["Items"][0]["subject"] == "123"
assert "attachment" in results["Items"][0]
assert results["Items"][0]["attachment"] == "something"
@mock_dynamodb
def test_nested_projection_expression_using_get_item_with_attr_expression():
dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
# Create the DynamoDB table.
dynamodb.create_table(
TableName="users",
KeySchema=[{"AttributeName": "forum_name", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "forum_name", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
table = dynamodb.Table("users")
table.put_item(
Item={
"forum_name": "key1",
"nested": {
"level1": {"id": "id1", "att": "irrelevant"},
"level2": {"id": "id2", "include": "all"},
"level3": {"id": "irrelevant"},
},
"foo": "bar",
}
)
table.put_item(
Item={
"forum_name": "key2",
"nested": {"id": "id2", "incode": "code2"},
"foo": "bar",
}
)
# Test a get_item returning all items
result = table.get_item(
Key={"forum_name": "key1"},
ProjectionExpression="#nst.level1.id, #nst.#lvl2",
ExpressionAttributeNames={"#nst": "nested", "#lvl2": "level2"},
)["Item"]
result.should.equal(
{"nested": {"level1": {"id": "id1"}, "level2": {"id": "id2", "include": "all"}}}
)
# Assert actual data has not been deleted
result = table.get_item(Key={"forum_name": "key1"})["Item"]
result.should.equal(
{
"foo": "bar",
"forum_name": "key1",
"nested": {
"level1": {"id": "id1", "att": "irrelevant"},
"level2": {"id": "id2", "include": "all"},
"level3": {"id": "irrelevant"},
},
}
)
@mock_dynamodb
def test_nested_projection_expression_using_query_with_attr_expression_names():
dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
# Create the DynamoDB table.
dynamodb.create_table(
TableName="users",
KeySchema=[{"AttributeName": "forum_name", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "forum_name", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
table = dynamodb.Table("users")
table.put_item(
Item={
"forum_name": "key1",
"nested": {
"level1": {"id": "id1", "att": "irrelevant"},
"level2": {"id": "id2", "include": "all"},
"level3": {"id": "irrelevant"},
},
"foo": "bar",
}
)
table.put_item(
Item={
"forum_name": "key2",
"nested": {"id": "id2", "incode": "code2"},
"foo": "bar",
}
)
# Test a query returning all items
result = table.query(
KeyConditionExpression=Key("forum_name").eq("key1"),
ProjectionExpression="#nst.level1.id, #nst.#lvl2",
ExpressionAttributeNames={"#nst": "nested", "#lvl2": "level2"},
)["Items"][0]
assert "nested" in result
result["nested"].should.equal(
{"level1": {"id": "id1"}, "level2": {"id": "id2", "include": "all"}}
)
assert "foo" not in result
# Assert actual data has not been deleted
result = table.query(KeyConditionExpression=Key("forum_name").eq("key1"))["Items"][
0
]
result.should.equal(
{
"foo": "bar",
"forum_name": "key1",
"nested": {
"level1": {"id": "id1", "att": "irrelevant"},
"level2": {"id": "id2", "include": "all"},
"level3": {"id": "irrelevant"},
},
}
)
@mock_dynamodb
def test_basic_projection_expressions_using_scan_with_attr_expression_names():
dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
# Create the DynamoDB table.
table = dynamodb.create_table(
TableName="users",
KeySchema=[
{"AttributeName": "forum_name", "KeyType": "HASH"},
{"AttributeName": "subject", "KeyType": "RANGE"},
],
AttributeDefinitions=[
{"AttributeName": "forum_name", "AttributeType": "S"},
{"AttributeName": "subject", "AttributeType": "S"},
],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
table = dynamodb.Table("users")
table.put_item(
Item={
"forum_name": "the-key",
"subject": "123",
"body": "some test message",
"attachment": "something",
}
)
table.put_item(
Item={
"forum_name": "not-the-key",
"subject": "123",
"body": "some other test message",
"attachment": "something",
}
)
# Test a scan returning all items
results = table.scan(
FilterExpression=Key("forum_name").eq("the-key"),
ProjectionExpression="#rl, #rt, subject",
ExpressionAttributeNames={"#rl": "body", "#rt": "attachment"},
)
assert "body" in results["Items"][0]
assert "attachment" in results["Items"][0]
assert "subject" in results["Items"][0]
assert "form_name" not in results["Items"][0]
# Test without a FilterExpression
results = table.scan(
ProjectionExpression="#rl, #rt, subject",
ExpressionAttributeNames={"#rl": "body", "#rt": "attachment"},
)
assert "body" in results["Items"][0]
assert "attachment" in results["Items"][0]
assert "subject" in results["Items"][0]
assert "form_name" not in results["Items"][0]
@mock_dynamodb
def test_nested_projection_expression_using_scan_with_attr_expression_names():
dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
# Create the DynamoDB table.
dynamodb.create_table(
TableName="users",
KeySchema=[{"AttributeName": "forum_name", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "forum_name", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
table = dynamodb.Table("users")
table.put_item(
Item={
"forum_name": "key1",
"nested": {
"level1": {"id": "id1", "att": "irrelevant"},
"level2": {"id": "id2", "include": "all"},
"level3": {"id": "irrelevant"},
},
"foo": "bar",
}
)
table.put_item(
Item={
"forum_name": "key2",
"nested": {"id": "id2", "incode": "code2"},
"foo": "bar",
}
)
# Test a scan
results = table.scan(
FilterExpression=Key("forum_name").eq("key1"),
ProjectionExpression="nested.level1.id, nested.level2",
ExpressionAttributeNames={"#nst": "nested", "#lvl2": "level2"},
)["Items"]
results.should.equal(
[
{
"nested": {
"level1": {"id": "id1"},
"level2": {"include": "all", "id": "id2"},
}
}
]
)
# Assert original data is still there
results = table.scan(FilterExpression=Key("forum_name").eq("key1"))["Items"]
results.should.equal(
[
{
"forum_name": "key1",
"foo": "bar",
"nested": {
"level1": {"att": "irrelevant", "id": "id1"},
"level2": {"include": "all", "id": "id2"},
"level3": {"id": "irrelevant"},
},
}
]
)
@mock_dynamodb
def test_put_empty_item():
dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
dynamodb.create_table(
AttributeDefinitions=[{"AttributeName": "structure_id", "AttributeType": "S"}],
TableName="test",
KeySchema=[{"AttributeName": "structure_id", "KeyType": "HASH"}],
ProvisionedThroughput={"ReadCapacityUnits": 123, "WriteCapacityUnits": 123},
)
table = dynamodb.Table("test")
with pytest.raises(ClientError) as ex:
table.put_item(Item={})
ex.value.response["Error"]["Message"].should.equal(
"One or more parameter values were invalid: Missing the key structure_id in the item"
)
ex.value.response["Error"]["Code"].should.equal("ValidationException")
@mock_dynamodb
def test_put_item_nonexisting_hash_key():
dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
dynamodb.create_table(
AttributeDefinitions=[{"AttributeName": "structure_id", "AttributeType": "S"}],
TableName="test",
KeySchema=[{"AttributeName": "structure_id", "KeyType": "HASH"}],
ProvisionedThroughput={"ReadCapacityUnits": 123, "WriteCapacityUnits": 123},
)
table = dynamodb.Table("test")
with pytest.raises(ClientError) as ex:
table.put_item(Item={"a_terribly_misguided_id_attribute": "abcdef"})
ex.value.response["Error"]["Message"].should.equal(
"One or more parameter values were invalid: Missing the key structure_id in the item"
)
ex.value.response["Error"]["Code"].should.equal("ValidationException")
@mock_dynamodb
def test_put_item_nonexisting_range_key():
dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
dynamodb.create_table(
AttributeDefinitions=[
{"AttributeName": "structure_id", "AttributeType": "S"},
{"AttributeName": "added_at", "AttributeType": "N"},
],
TableName="test",
KeySchema=[
{"AttributeName": "structure_id", "KeyType": "HASH"},
{"AttributeName": "added_at", "KeyType": "RANGE"},
],
ProvisionedThroughput={"ReadCapacityUnits": 123, "WriteCapacityUnits": 123},
)
table = dynamodb.Table("test")
with pytest.raises(ClientError) as ex:
table.put_item(Item={"structure_id": "abcdef"})
ex.value.response["Error"]["Message"].should.equal(
"One or more parameter values were invalid: Missing the key added_at in the item"
)
ex.value.response["Error"]["Code"].should.equal("ValidationException")
def test_filter_expression():
row1 = moto.dynamodb.models.Item(
hash_key=None,
range_key=None,
attrs={
"Id": {"N": "8"},
"Subs": {"N": "5"},
"Des": {"S": "Some description"},
"KV": {"SS": ["test1", "test2"]},
},
)
row2 = moto.dynamodb.models.Item(
hash_key=None,
range_key=None,
attrs={
"Id": {"N": "8"},
"Subs": {"N": "10"},
"Des": {"S": "A description"},
"KV": {"SS": ["test3", "test4"]},
},
)
# NOT test 1
filter_expr = moto.dynamodb.comparisons.get_filter_expression(
"NOT attribute_not_exists(Id)", {}, {}
)
filter_expr.expr(row1).should.be(True)
# NOT test 2
filter_expr = moto.dynamodb.comparisons.get_filter_expression(
"NOT (Id = :v0)", {}, {":v0": {"N": "8"}}
)
filter_expr.expr(row1).should.be(False) # Id = 8 so should be false
# AND test
filter_expr = moto.dynamodb.comparisons.get_filter_expression(
"Id > :v0 AND Subs < :v1", {}, {":v0": {"N": "5"}, ":v1": {"N": "7"}}
)
filter_expr.expr(row1).should.be(True)
filter_expr.expr(row2).should.be(False)
# lowercase AND test
filter_expr = moto.dynamodb.comparisons.get_filter_expression(
"Id > :v0 and Subs < :v1", {}, {":v0": {"N": "5"}, ":v1": {"N": "7"}}
)
filter_expr.expr(row1).should.be(True)
filter_expr.expr(row2).should.be(False)
# OR test
filter_expr = moto.dynamodb.comparisons.get_filter_expression(
"Id = :v0 OR Id=:v1", {}, {":v0": {"N": "5"}, ":v1": {"N": "8"}}
)
filter_expr.expr(row1).should.be(True)
# BETWEEN test
filter_expr = moto.dynamodb.comparisons.get_filter_expression(
"Id BETWEEN :v0 AND :v1", {}, {":v0": {"N": "5"}, ":v1": {"N": "10"}}
)
filter_expr.expr(row1).should.be(True)
# BETWEEN integer test
filter_expr = moto.dynamodb.comparisons.get_filter_expression(
"Id BETWEEN :v0 AND :v1", {}, {":v0": {"N": "0"}, ":v1": {"N": "10"}}
)
filter_expr.expr(row1).should.be(True)
# PAREN test
filter_expr = moto.dynamodb.comparisons.get_filter_expression(
"Id = :v0 AND (Subs = :v0 OR Subs = :v1)",
{},
{":v0": {"N": "8"}, ":v1": {"N": "5"}},
)
filter_expr.expr(row1).should.be(True)
# IN test
filter_expr = moto.dynamodb.comparisons.get_filter_expression(
"Id IN (:v0, :v1, :v2)",
{},
{":v0": {"N": "7"}, ":v1": {"N": "8"}, ":v2": {"N": "9"}},
)
filter_expr.expr(row1).should.be(True)
# attribute function tests (with extra spaces)
filter_expr = moto.dynamodb.comparisons.get_filter_expression(
"attribute_exists(Id) AND attribute_not_exists (UnknownAttribute)", {}, {}
)
filter_expr.expr(row1).should.be(True)
filter_expr = moto.dynamodb.comparisons.get_filter_expression(
"attribute_type(Id, :v0)", {}, {":v0": {"S": "N"}}
)
filter_expr.expr(row1).should.be(True)
# beginswith function test
filter_expr = moto.dynamodb.comparisons.get_filter_expression(
"begins_with(Des, :v0)", {}, {":v0": {"S": "Some"}}
)
filter_expr.expr(row1).should.be(True)
filter_expr.expr(row2).should.be(False)
# contains function test
filter_expr = moto.dynamodb.comparisons.get_filter_expression(
"contains(KV, :v0)", {}, {":v0": {"S": "test1"}}
)
filter_expr.expr(row1).should.be(True)
filter_expr.expr(row2).should.be(False)
# size function test
filter_expr = moto.dynamodb.comparisons.get_filter_expression(
"size(Des) > size(KV)", {}, {}
)
filter_expr.expr(row1).should.be(True)
# Expression from @batkuip
filter_expr = moto.dynamodb.comparisons.get_filter_expression(
"(#n0 < :v0 AND attribute_not_exists(#n1))",
{"#n0": "Subs", "#n1": "fanout_ts"},
{":v0": {"N": "7"}},
)
filter_expr.expr(row1).should.be(True)
# Expression from to check contains on string value
filter_expr = moto.dynamodb.comparisons.get_filter_expression(
"contains(#n0, :v0)", {"#n0": "Des"}, {":v0": {"S": "Some"}}
)
filter_expr.expr(row1).should.be(True)
filter_expr.expr(row2).should.be(False)
@mock_dynamodb
def test_query_filter():
client = boto3.client("dynamodb", region_name="us-east-1")
dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
# Create the DynamoDB table.
client.create_table(
TableName="test1",
AttributeDefinitions=[
{"AttributeName": "client", "AttributeType": "S"},
{"AttributeName": "app", "AttributeType": "S"},
],
KeySchema=[
{"AttributeName": "client", "KeyType": "HASH"},
{"AttributeName": "app", "KeyType": "RANGE"},
],
ProvisionedThroughput={"ReadCapacityUnits": 123, "WriteCapacityUnits": 123},
)
client.put_item(
TableName="test1",
Item={
"client": {"S": "client1"},
"app": {"S": "app1"},
"nested": {
"M": {
"version": {"S": "version1"},
"contents": {"L": [{"S": "value1"}, {"S": "value2"}]},
}
},
},
)
client.put_item(
TableName="test1",
Item={
"client": {"S": "client1"},
"app": {"S": "app2"},
"nested": {
"M": {
"version": {"S": "version2"},
"contents": {"L": [{"S": "value1"}, {"S": "value2"}]},
}
},
},
)
table = dynamodb.Table("test1")
response = table.query(KeyConditionExpression=Key("client").eq("client1"))
assert response["Count"] == 2
response = table.query(
KeyConditionExpression=Key("client").eq("client1"),
FilterExpression=Attr("app").eq("app2"),
)
assert response["Count"] == 1
assert response["Items"][0]["app"] == "app2"
response = table.query(
KeyConditionExpression=Key("client").eq("client1"),
FilterExpression=Attr("app").contains("app"),
)
assert response["Count"] == 2
response = table.query(
KeyConditionExpression=Key("client").eq("client1"),
FilterExpression=Attr("nested.version").contains("version"),
)
assert response["Count"] == 2
response = table.query(
KeyConditionExpression=Key("client").eq("client1"),
FilterExpression=Attr("nested.contents[0]").eq("value1"),
)
assert response["Count"] == 2
@mock_dynamodb
def test_query_filter_overlapping_expression_prefixes():
client = boto3.client("dynamodb", region_name="us-east-1")
dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
# Create the DynamoDB table.
client.create_table(
TableName="test1",
AttributeDefinitions=[
{"AttributeName": "client", "AttributeType": "S"},
{"AttributeName": "app", "AttributeType": "S"},
],
KeySchema=[
{"AttributeName": "client", "KeyType": "HASH"},
{"AttributeName": "app", "KeyType": "RANGE"},
],
ProvisionedThroughput={"ReadCapacityUnits": 123, "WriteCapacityUnits": 123},
)
client.put_item(
TableName="test1",
Item={
"client": {"S": "client1"},
"app": {"S": "app1"},
"nested": {
"M": {
"version": {"S": "version1"},
"contents": {"L": [{"S": "value1"}, {"S": "value2"}]},
}
},
},
)
table = dynamodb.Table("test1")
response = table.query(
KeyConditionExpression=Key("client").eq("client1") & Key("app").eq("app1"),
ProjectionExpression="#1, #10, nested",
ExpressionAttributeNames={"#1": "client", "#10": "app"},
)
assert response["Count"] == 1
assert response["Items"][0] == {
"client": "client1",
"app": "app1",
"nested": {"version": "version1", "contents": ["value1", "value2"]},
}
@mock_dynamodb
def test_scan_filter():
client = boto3.client("dynamodb", region_name="us-east-1")
dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
# Create the DynamoDB table.
client.create_table(
TableName="test1",
AttributeDefinitions=[
{"AttributeName": "client", "AttributeType": "S"},
{"AttributeName": "app", "AttributeType": "S"},
],
KeySchema=[
{"AttributeName": "client", "KeyType": "HASH"},
{"AttributeName": "app", "KeyType": "RANGE"},
],
ProvisionedThroughput={"ReadCapacityUnits": 123, "WriteCapacityUnits": 123},
)
client.put_item(
TableName="test1", Item={"client": {"S": "client1"}, "app": {"S": "app1"}}
)
table = dynamodb.Table("test1")
response = table.scan(FilterExpression=Attr("app").eq("app2"))
assert response["Count"] == 0
response = table.scan(FilterExpression=Attr("app").eq("app1"))
assert response["Count"] == 1
response = table.scan(FilterExpression=Attr("app").ne("app2"))
assert response["Count"] == 1
response = table.scan(FilterExpression=Attr("app").ne("app1"))
assert response["Count"] == 0
@mock_dynamodb
def test_scan_filter2():
client = boto3.client("dynamodb", region_name="us-east-1")
# Create the DynamoDB table.
client.create_table(
TableName="test1",
AttributeDefinitions=[
{"AttributeName": "client", "AttributeType": "S"},
{"AttributeName": "app", "AttributeType": "N"},
],
KeySchema=[
{"AttributeName": "client", "KeyType": "HASH"},
{"AttributeName": "app", "KeyType": "RANGE"},
],
ProvisionedThroughput={"ReadCapacityUnits": 123, "WriteCapacityUnits": 123},
)
client.put_item(
TableName="test1", Item={"client": {"S": "client1"}, "app": {"N": "1"}}
)
response = client.scan(
TableName="test1",
Select="ALL_ATTRIBUTES",
FilterExpression="#tb >= :dt",
ExpressionAttributeNames={"#tb": "app"},
ExpressionAttributeValues={":dt": {"N": str(1)}},
)
assert response["Count"] == 1
@mock_dynamodb
def test_scan_filter3():
client = boto3.client("dynamodb", region_name="us-east-1")
dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
# Create the DynamoDB table.
client.create_table(
TableName="test1",
AttributeDefinitions=[
{"AttributeName": "client", "AttributeType": "S"},
{"AttributeName": "app", "AttributeType": "N"},
],
KeySchema=[
{"AttributeName": "client", "KeyType": "HASH"},
{"AttributeName": "app", "KeyType": "RANGE"},
],
ProvisionedThroughput={"ReadCapacityUnits": 123, "WriteCapacityUnits": 123},
)
client.put_item(
TableName="test1",
Item={"client": {"S": "client1"}, "app": {"N": "1"}, "active": {"BOOL": True}},
)
table = dynamodb.Table("test1")
response = table.scan(FilterExpression=Attr("active").eq(True))
assert response["Count"] == 1
response = table.scan(FilterExpression=Attr("active").ne(True))
assert response["Count"] == 0
response = table.scan(FilterExpression=Attr("active").ne(False))
assert response["Count"] == 1
response = table.scan(FilterExpression=Attr("app").ne(1))
assert response["Count"] == 0
response = table.scan(FilterExpression=Attr("app").ne(2))
assert response["Count"] == 1
@mock_dynamodb
def test_scan_filter4():
client = boto3.client("dynamodb", region_name="us-east-1")
dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
# Create the DynamoDB table.
client.create_table(
TableName="test1",
AttributeDefinitions=[
{"AttributeName": "client", "AttributeType": "S"},
{"AttributeName": "app", "AttributeType": "N"},
],
KeySchema=[
{"AttributeName": "client", "KeyType": "HASH"},
{"AttributeName": "app", "KeyType": "RANGE"},
],
ProvisionedThroughput={"ReadCapacityUnits": 123, "WriteCapacityUnits": 123},
)
table = dynamodb.Table("test1")
response = table.scan(
FilterExpression=Attr("epoch_ts").lt(7) & Attr("fanout_ts").not_exists()
)
# Just testing
assert response["Count"] == 0
@mock_dynamodb
def test_scan_filter_should_not_return_non_existing_attributes():
table_name = "my-table"
item = {"partitionKey": "pk-2", "my-attr": 42}
# Create table
res = boto3.resource("dynamodb", region_name="us-east-1")
res.create_table(
TableName=table_name,
KeySchema=[{"AttributeName": "partitionKey", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "partitionKey", "AttributeType": "S"}],
BillingMode="PAY_PER_REQUEST",
)
table = res.Table(table_name)
# Insert items
table.put_item(Item={"partitionKey": "pk-1"})
table.put_item(Item=item)
# Verify a few operations
# Assert we only find the item that has this attribute
table.scan(FilterExpression=Attr("my-attr").lt(43))["Items"].should.equal([item])
table.scan(FilterExpression=Attr("my-attr").lte(42))["Items"].should.equal([item])
table.scan(FilterExpression=Attr("my-attr").gte(42))["Items"].should.equal([item])
table.scan(FilterExpression=Attr("my-attr").gt(41))["Items"].should.equal([item])
# Sanity check that we can't find the item if the FE is wrong
table.scan(FilterExpression=Attr("my-attr").gt(43))["Items"].should.equal([])
@mock_dynamodb
def test_bad_scan_filter():
client = boto3.client("dynamodb", region_name="us-east-1")
dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
# Create the DynamoDB table.
client.create_table(
TableName="test1",
AttributeDefinitions=[
{"AttributeName": "client", "AttributeType": "S"},
{"AttributeName": "app", "AttributeType": "S"},
],
KeySchema=[
{"AttributeName": "client", "KeyType": "HASH"},
{"AttributeName": "app", "KeyType": "RANGE"},
],
ProvisionedThroughput={"ReadCapacityUnits": 123, "WriteCapacityUnits": 123},
)
table = dynamodb.Table("test1")
# Bad expression
with pytest.raises(ClientError) as exc:
table.scan(FilterExpression="client test")
exc.value.response["Error"]["Code"].should.equal("ValidationException")
@mock_dynamodb
def test_duplicate_create():
client = boto3.client("dynamodb", region_name="us-east-1")
# Create the DynamoDB table.
client.create_table(
TableName="test1",
AttributeDefinitions=[
{"AttributeName": "client", "AttributeType": "S"},
{"AttributeName": "app", "AttributeType": "S"},
],
KeySchema=[
{"AttributeName": "client", "KeyType": "HASH"},
{"AttributeName": "app", "KeyType": "RANGE"},
],
ProvisionedThroughput={"ReadCapacityUnits": 123, "WriteCapacityUnits": 123},
)
try:
client.create_table(
TableName="test1",
AttributeDefinitions=[
{"AttributeName": "client", "AttributeType": "S"},
{"AttributeName": "app", "AttributeType": "S"},
],
KeySchema=[
{"AttributeName": "client", "KeyType": "HASH"},
{"AttributeName": "app", "KeyType": "RANGE"},
],
ProvisionedThroughput={"ReadCapacityUnits": 123, "WriteCapacityUnits": 123},
)
except ClientError as err:
err.response["Error"]["Code"].should.equal("ResourceInUseException")
else:
raise RuntimeError("Should have raised ResourceInUseException")
@mock_dynamodb
def test_delete_table():
client = boto3.client("dynamodb", region_name="us-east-1")
# Create the DynamoDB table.
client.create_table(
TableName="test1",
AttributeDefinitions=[
{"AttributeName": "client", "AttributeType": "S"},
{"AttributeName": "app", "AttributeType": "S"},
],
KeySchema=[
{"AttributeName": "client", "KeyType": "HASH"},
{"AttributeName": "app", "KeyType": "RANGE"},
],
ProvisionedThroughput={"ReadCapacityUnits": 123, "WriteCapacityUnits": 123},
)
client.delete_table(TableName="test1")
resp = client.list_tables()
len(resp["TableNames"]).should.equal(0)
try:
client.delete_table(TableName="test1")
except ClientError as err:
err.response["Error"]["Code"].should.equal("ResourceNotFoundException")
else:
raise RuntimeError("Should have raised ResourceNotFoundException")
@mock_dynamodb
def test_delete_item():
client = boto3.client("dynamodb", region_name="us-east-1")
dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
# Create the DynamoDB table.
client.create_table(
TableName="test1",
AttributeDefinitions=[
{"AttributeName": "client", "AttributeType": "S"},
{"AttributeName": "app", "AttributeType": "S"},
],
KeySchema=[
{"AttributeName": "client", "KeyType": "HASH"},
{"AttributeName": "app", "KeyType": "RANGE"},
],
ProvisionedThroughput={"ReadCapacityUnits": 123, "WriteCapacityUnits": 123},
)
client.put_item(
TableName="test1", Item={"client": {"S": "client1"}, "app": {"S": "app1"}}
)
client.put_item(
TableName="test1", Item={"client": {"S": "client1"}, "app": {"S": "app2"}}
)
table = dynamodb.Table("test1")
response = table.scan()
assert response["Count"] == 2
# Test ReturnValues validation
with pytest.raises(ClientError) as ex:
table.delete_item(
Key={"client": "client1", "app": "app1"}, ReturnValues="ALL_NEW"
)
err = ex.value.response["Error"]
err["Code"].should.equal("ValidationException")
err["Message"].should.equal("Return values set to invalid value")
# Test deletion and returning old value
response = table.delete_item(
Key={"client": "client1", "app": "app1"}, ReturnValues="ALL_OLD"
)
response["Attributes"].should.contain("client")
response["Attributes"].should.contain("app")
response = table.scan()
assert response["Count"] == 1
# Test deletion returning nothing
response = table.delete_item(Key={"client": "client1", "app": "app2"})
len(response["Attributes"]).should.equal(0)
response = table.scan()
assert response["Count"] == 0
@mock_dynamodb
def test_describe_limits():
client = boto3.client("dynamodb", region_name="eu-central-1")
resp = client.describe_limits()
resp["AccountMaxReadCapacityUnits"].should.equal(20000)
resp["AccountMaxWriteCapacityUnits"].should.equal(20000)
resp["TableMaxWriteCapacityUnits"].should.equal(10000)
resp["TableMaxReadCapacityUnits"].should.equal(10000)
@mock_dynamodb
def test_set_ttl():
client = boto3.client("dynamodb", region_name="us-east-1")
# Create the DynamoDB table.
client.create_table(
TableName="test1",
AttributeDefinitions=[
{"AttributeName": "client", "AttributeType": "S"},
{"AttributeName": "app", "AttributeType": "S"},
],
KeySchema=[
{"AttributeName": "client", "KeyType": "HASH"},
{"AttributeName": "app", "KeyType": "RANGE"},
],
ProvisionedThroughput={"ReadCapacityUnits": 123, "WriteCapacityUnits": 123},
)
client.update_time_to_live(
TableName="test1",
TimeToLiveSpecification={"Enabled": True, "AttributeName": "expire"},
)
resp = client.describe_time_to_live(TableName="test1")
resp["TimeToLiveDescription"]["TimeToLiveStatus"].should.equal("ENABLED")
resp["TimeToLiveDescription"]["AttributeName"].should.equal("expire")
client.update_time_to_live(
TableName="test1",
TimeToLiveSpecification={"Enabled": False, "AttributeName": "expire"},
)
resp = client.describe_time_to_live(TableName="test1")
resp["TimeToLiveDescription"]["TimeToLiveStatus"].should.equal("DISABLED")
@mock_dynamodb
def test_describe_continuous_backups():
# given
client = boto3.client("dynamodb", region_name="us-east-1")
table_name = client.create_table(
TableName="test",
AttributeDefinitions=[
{"AttributeName": "client", "AttributeType": "S"},
{"AttributeName": "app", "AttributeType": "S"},
],
KeySchema=[
{"AttributeName": "client", "KeyType": "HASH"},
{"AttributeName": "app", "KeyType": "RANGE"},
],
BillingMode="PAY_PER_REQUEST",
)["TableDescription"]["TableName"]
# when
response = client.describe_continuous_backups(TableName=table_name)
# then
response["ContinuousBackupsDescription"].should.equal(
{
"ContinuousBackupsStatus": "ENABLED",
"PointInTimeRecoveryDescription": {"PointInTimeRecoveryStatus": "DISABLED"},
}
)
@mock_dynamodb
def test_describe_continuous_backups_errors():
# given
client = boto3.client("dynamodb", region_name="us-east-1")
# when
with pytest.raises(Exception) as e:
client.describe_continuous_backups(TableName="not-existing-table")
# then
ex = e.value
ex.operation_name.should.equal("DescribeContinuousBackups")
ex.response["ResponseMetadata"]["HTTPStatusCode"].should.equal(400)
ex.response["Error"]["Code"].should.contain("TableNotFoundException")
ex.response["Error"]["Message"].should.equal("Table not found: not-existing-table")
@mock_dynamodb
def test_update_continuous_backups():
# given
client = boto3.client("dynamodb", region_name="us-east-1")
table_name = client.create_table(
TableName="test",
AttributeDefinitions=[
{"AttributeName": "client", "AttributeType": "S"},
{"AttributeName": "app", "AttributeType": "S"},
],
KeySchema=[
{"AttributeName": "client", "KeyType": "HASH"},
{"AttributeName": "app", "KeyType": "RANGE"},
],
BillingMode="PAY_PER_REQUEST",
)["TableDescription"]["TableName"]
# when
response = client.update_continuous_backups(
TableName=table_name,
PointInTimeRecoverySpecification={"PointInTimeRecoveryEnabled": True},
)
# then
response["ContinuousBackupsDescription"]["ContinuousBackupsStatus"].should.equal(
"ENABLED"
)
point_in_time = response["ContinuousBackupsDescription"][
"PointInTimeRecoveryDescription"
]
earliest_datetime = point_in_time["EarliestRestorableDateTime"]
earliest_datetime.should.be.a(datetime)
latest_datetime = point_in_time["LatestRestorableDateTime"]
latest_datetime.should.be.a(datetime)
point_in_time["PointInTimeRecoveryStatus"].should.equal("ENABLED")
# when
# a second update should not change anything
response = client.update_continuous_backups(
TableName=table_name,
PointInTimeRecoverySpecification={"PointInTimeRecoveryEnabled": True},
)
# then
response["ContinuousBackupsDescription"]["ContinuousBackupsStatus"].should.equal(
"ENABLED"
)
point_in_time = response["ContinuousBackupsDescription"][
"PointInTimeRecoveryDescription"
]
point_in_time["EarliestRestorableDateTime"].should.equal(earliest_datetime)
point_in_time["LatestRestorableDateTime"].should.equal(latest_datetime)
point_in_time["PointInTimeRecoveryStatus"].should.equal("ENABLED")
# when
response = client.update_continuous_backups(
TableName=table_name,
PointInTimeRecoverySpecification={"PointInTimeRecoveryEnabled": False},
)
# then
response["ContinuousBackupsDescription"].should.equal(
{
"ContinuousBackupsStatus": "ENABLED",
"PointInTimeRecoveryDescription": {"PointInTimeRecoveryStatus": "DISABLED"},
}
)
@mock_dynamodb
def test_update_continuous_backups_errors():
# given
client = boto3.client("dynamodb", region_name="us-east-1")
# when
with pytest.raises(Exception) as e:
client.update_continuous_backups(
TableName="not-existing-table",
PointInTimeRecoverySpecification={"PointInTimeRecoveryEnabled": True},
)
# then
ex = e.value
ex.operation_name.should.equal("UpdateContinuousBackups")
ex.response["ResponseMetadata"]["HTTPStatusCode"].should.equal(400)
ex.response["Error"]["Code"].should.contain("TableNotFoundException")
ex.response["Error"]["Message"].should.equal("Table not found: not-existing-table")
# https://github.com/getmoto/moto/issues/1043
@mock_dynamodb
def test_query_missing_expr_names():
client = boto3.client("dynamodb", region_name="us-east-1")
# Create the DynamoDB table.
client.create_table(
TableName="test1",
AttributeDefinitions=[
{"AttributeName": "client", "AttributeType": "S"},
{"AttributeName": "app", "AttributeType": "S"},
],
KeySchema=[
{"AttributeName": "client", "KeyType": "HASH"},
{"AttributeName": "app", "KeyType": "RANGE"},
],
ProvisionedThroughput={"ReadCapacityUnits": 123, "WriteCapacityUnits": 123},
)
client.put_item(
TableName="test1", Item={"client": {"S": "test1"}, "app": {"S": "test1"}}
)
client.put_item(
TableName="test1", Item={"client": {"S": "test2"}, "app": {"S": "test2"}}
)
resp = client.query(
TableName="test1",
KeyConditionExpression="client=:client",
ExpressionAttributeValues={":client": {"S": "test1"}},
)
resp["Count"].should.equal(1)
resp["Items"][0]["client"]["S"].should.equal("test1")
resp = client.query(
TableName="test1",
KeyConditionExpression=":name=test2",
ExpressionAttributeNames={":name": "client"},
)
resp["Count"].should.equal(1)
resp["Items"][0]["client"]["S"].should.equal("test2")
# https://github.com/getmoto/moto/issues/2328
@mock_dynamodb
def test_update_item_with_list():
dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
# Create the DynamoDB table.
dynamodb.create_table(
TableName="Table",
KeySchema=[{"AttributeName": "key", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "key", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 1, "WriteCapacityUnits": 1},
)
table = dynamodb.Table("Table")
table.update_item(
Key={"key": "the-key"},
AttributeUpdates={"list": {"Value": [1, 2], "Action": "PUT"}},
)
resp = table.get_item(Key={"key": "the-key"})
resp["Item"].should.equal({"key": "the-key", "list": [1, 2]})
# https://github.com/getmoto/moto/issues/2328
@mock_dynamodb
def test_update_item_with_no_action_passed_with_list():
dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
# Create the DynamoDB table.
dynamodb.create_table(
TableName="Table",
KeySchema=[{"AttributeName": "key", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "key", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 1, "WriteCapacityUnits": 1},
)
table = dynamodb.Table("Table")
table.update_item(
Key={"key": "the-key"},
# Do not pass 'Action' key, in order to check that the
# parameter's default value will be used.
AttributeUpdates={"list": {"Value": [1, 2]}},
)
resp = table.get_item(Key={"key": "the-key"})
resp["Item"].should.equal({"key": "the-key", "list": [1, 2]})
# https://github.com/getmoto/moto/issues/1342
@mock_dynamodb
def test_update_item_on_map():
dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
client = boto3.client("dynamodb", region_name="us-east-1")
# Create the DynamoDB table.
dynamodb.create_table(
TableName="users",
KeySchema=[
{"AttributeName": "forum_name", "KeyType": "HASH"},
{"AttributeName": "subject", "KeyType": "RANGE"},
],
AttributeDefinitions=[
{"AttributeName": "forum_name", "AttributeType": "S"},
{"AttributeName": "subject", "AttributeType": "S"},
],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
table = dynamodb.Table("users")
table.put_item(
Item={
"forum_name": "the-key",
"subject": "123",
"body": {"nested": {"data": "test"}},
}
)
resp = table.scan()
resp["Items"][0]["body"].should.equal({"nested": {"data": "test"}})
# Nonexistent nested attributes are supported for existing top-level attributes.
table.update_item(
Key={"forum_name": "the-key", "subject": "123"},
UpdateExpression="SET body.#nested.#data = :tb",
ExpressionAttributeNames={"#nested": "nested", "#data": "data"},
ExpressionAttributeValues={":tb": "new_value"},
)
# Running this against AWS DDB gives an exception so make sure it also fails.:
with pytest.raises(client.exceptions.ClientError):
# botocore.exceptions.ClientError: An error occurred (ValidationException) when calling the UpdateItem
# operation: The document path provided in the update expression is invalid for update
table.update_item(
Key={"forum_name": "the-key", "subject": "123"},
UpdateExpression="SET body.#nested.#nonexistentnested.#data = :tb2",
ExpressionAttributeNames={
"#nested": "nested",
"#nonexistentnested": "nonexistentnested",
"#data": "data",
},
ExpressionAttributeValues={":tb2": "other_value"},
)
table.update_item(
Key={"forum_name": "the-key", "subject": "123"},
UpdateExpression="SET body.#nested.#nonexistentnested = :tb2",
ExpressionAttributeNames={
"#nested": "nested",
"#nonexistentnested": "nonexistentnested",
},
ExpressionAttributeValues={":tb2": {"data": "other_value"}},
)
resp = table.scan()
resp["Items"][0]["body"].should.equal(
{"nested": {"data": "new_value", "nonexistentnested": {"data": "other_value"}}}
)
# Test nested value for a nonexistent attribute throws a ClientError.
with pytest.raises(client.exceptions.ClientError):
table.update_item(
Key={"forum_name": "the-key", "subject": "123"},
UpdateExpression="SET nonexistent.#nested = :tb",
ExpressionAttributeNames={"#nested": "nested"},
ExpressionAttributeValues={":tb": "new_value"},
)
# https://github.com/getmoto/moto/issues/1358
@mock_dynamodb
def test_update_if_not_exists():
dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
# Create the DynamoDB table.
dynamodb.create_table(
TableName="users",
KeySchema=[
{"AttributeName": "forum_name", "KeyType": "HASH"},
{"AttributeName": "subject", "KeyType": "RANGE"},
],
AttributeDefinitions=[
{"AttributeName": "forum_name", "AttributeType": "S"},
{"AttributeName": "subject", "AttributeType": "S"},
],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
table = dynamodb.Table("users")
table.put_item(Item={"forum_name": "the-key", "subject": "123"})
table.update_item(
Key={"forum_name": "the-key", "subject": "123"},
# if_not_exists without space
UpdateExpression="SET created_at=if_not_exists(created_at,:created_at)",
ExpressionAttributeValues={":created_at": 123},
)
resp = table.scan()
assert resp["Items"][0]["created_at"] == 123
table.update_item(
Key={"forum_name": "the-key", "subject": "123"},
# if_not_exists with space
UpdateExpression="SET created_at = if_not_exists (created_at, :created_at)",
ExpressionAttributeValues={":created_at": 456},
)
resp = table.scan()
# Still the original value
assert resp["Items"][0]["created_at"] == 123
# https://github.com/getmoto/moto/issues/1937
@mock_dynamodb
def test_update_return_attributes():
dynamodb = boto3.client("dynamodb", region_name="us-east-1")
dynamodb.create_table(
TableName="moto-test",
KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "id", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 1, "WriteCapacityUnits": 1},
)
def update(col, to, rv):
return dynamodb.update_item(
TableName="moto-test",
Key={"id": {"S": "foo"}},
AttributeUpdates={col: {"Value": {"S": to}, "Action": "PUT"}},
ReturnValues=rv,
)
r = update("col1", "val1", "ALL_NEW")
assert r["Attributes"] == {"id": {"S": "foo"}, "col1": {"S": "val1"}}
r = update("col1", "val2", "ALL_OLD")
assert r["Attributes"] == {"id": {"S": "foo"}, "col1": {"S": "val1"}}
r = update("col2", "val3", "UPDATED_NEW")
assert r["Attributes"] == {"col2": {"S": "val3"}}
r = update("col2", "val4", "UPDATED_OLD")
assert r["Attributes"] == {"col2": {"S": "val3"}}
r = update("col1", "val5", "NONE")
assert r["Attributes"] == {}
with pytest.raises(ClientError) as ex:
update("col1", "val6", "WRONG")
err = ex.value.response["Error"]
err["Code"].should.equal("ValidationException")
err["Message"].should.equal("Return values set to invalid value")
# https://github.com/getmoto/moto/issues/3448
@mock_dynamodb
def test_update_return_updated_new_attributes_when_same():
dynamo_client = boto3.resource("dynamodb", region_name="us-east-1")
dynamo_client.create_table(
TableName="moto-test",
KeySchema=[{"AttributeName": "HashKey1", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "HashKey1", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 1, "WriteCapacityUnits": 1},
)
dynamodb_table = dynamo_client.Table("moto-test")
dynamodb_table.put_item(
Item={"HashKey1": "HashKeyValue1", "listValuedAttribute1": ["a", "b"]}
)
def update(col, to, rv):
return dynamodb_table.update_item(
TableName="moto-test",
Key={"HashKey1": "HashKeyValue1"},
UpdateExpression="SET listValuedAttribute1=:" + col,
ExpressionAttributeValues={":" + col: to},
ReturnValues=rv,
)
r = update("a", ["a", "c"], "UPDATED_NEW")
assert r["Attributes"] == {"listValuedAttribute1": ["a", "c"]}
r = update("a", {"a", "c"}, "UPDATED_NEW")
assert r["Attributes"] == {"listValuedAttribute1": {"a", "c"}}
r = update("a", {1, 2}, "UPDATED_NEW")
assert r["Attributes"] == {"listValuedAttribute1": {1, 2}}
with pytest.raises(ClientError) as ex:
update("a", ["a", "c"], "WRONG")
err = ex.value.response["Error"]
err["Code"].should.equal("ValidationException")
err["Message"].should.equal("Return values set to invalid value")
@mock_dynamodb
def test_put_return_attributes():
dynamodb = boto3.client("dynamodb", region_name="us-east-1")
dynamodb.create_table(
TableName="moto-test",
KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "id", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 1, "WriteCapacityUnits": 1},
)
r = dynamodb.put_item(
TableName="moto-test",
Item={"id": {"S": "foo"}, "col1": {"S": "val1"}},
ReturnValues="NONE",
)
assert "Attributes" not in r
r = dynamodb.put_item(
TableName="moto-test",
Item={"id": {"S": "foo"}, "col1": {"S": "val2"}},
ReturnValues="ALL_OLD",
)
assert r["Attributes"] == {"id": {"S": "foo"}, "col1": {"S": "val1"}}
with pytest.raises(ClientError) as ex:
dynamodb.put_item(
TableName="moto-test",
Item={"id": {"S": "foo"}, "col1": {"S": "val3"}},
ReturnValues="ALL_NEW",
)
ex.value.response["Error"]["Code"].should.equal("ValidationException")
ex.value.response["ResponseMetadata"]["HTTPStatusCode"].should.equal(400)
ex.value.response["Error"]["Message"].should.equal(
"Return values set to invalid value"
)
@mock_dynamodb
def test_query_global_secondary_index_when_created_via_update_table_resource():
dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
# Create the DynamoDB table.
dynamodb.create_table(
TableName="users",
KeySchema=[{"AttributeName": "user_id", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "user_id", "AttributeType": "N"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
table = dynamodb.Table("users")
table.update(
AttributeDefinitions=[{"AttributeName": "forum_name", "AttributeType": "S"}],
GlobalSecondaryIndexUpdates=[
{
"Create": {
"IndexName": "forum_name_index",
"KeySchema": [{"AttributeName": "forum_name", "KeyType": "HASH"}],
"Projection": {"ProjectionType": "ALL"},
"ProvisionedThroughput": {
"ReadCapacityUnits": 5,
"WriteCapacityUnits": 5,
},
}
}
],
)
next_user_id = 1
for my_forum_name in ["cats", "dogs"]:
for my_subject in [
"my pet is the cutest",
"wow look at what my pet did",
"don't you love my pet?",
]:
table.put_item(
Item={
"user_id": next_user_id,
"forum_name": my_forum_name,
"subject": my_subject,
}
)
next_user_id += 1
# get all the cat users
forum_only_query_response = table.query(
IndexName="forum_name_index",
Select="ALL_ATTRIBUTES",
KeyConditionExpression=Key("forum_name").eq("cats"),
)
forum_only_items = forum_only_query_response["Items"]
assert len(forum_only_items) == 3
for item in forum_only_items:
assert item["forum_name"] == "cats"
# query all cat users with a particular subject
forum_and_subject_query_results = table.query(
IndexName="forum_name_index",
Select="ALL_ATTRIBUTES",
KeyConditionExpression=Key("forum_name").eq("cats"),
FilterExpression=Attr("subject").eq("my pet is the cutest"),
)
forum_and_subject_items = forum_and_subject_query_results["Items"]
assert len(forum_and_subject_items) == 1
assert forum_and_subject_items[0] == {
"user_id": Decimal("1"),
"forum_name": "cats",
"subject": "my pet is the cutest",
}
@mock_dynamodb
def test_query_gsi_with_range_key():
dynamodb = boto3.client("dynamodb", region_name="us-east-1")
dynamodb.create_table(
TableName="test",
KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
AttributeDefinitions=[
{"AttributeName": "id", "AttributeType": "S"},
{"AttributeName": "gsi_hash_key", "AttributeType": "S"},
{"AttributeName": "gsi_range_key", "AttributeType": "S"},
],
ProvisionedThroughput={"ReadCapacityUnits": 1, "WriteCapacityUnits": 1},
GlobalSecondaryIndexes=[
{
"IndexName": "test_gsi",
"KeySchema": [
{"AttributeName": "gsi_hash_key", "KeyType": "HASH"},
{"AttributeName": "gsi_range_key", "KeyType": "RANGE"},
],
"Projection": {"ProjectionType": "ALL"},
"ProvisionedThroughput": {
"ReadCapacityUnits": 1,
"WriteCapacityUnits": 1,
},
}
],
)
dynamodb.put_item(
TableName="test",
Item={
"id": {"S": "test1"},
"gsi_hash_key": {"S": "key1"},
"gsi_range_key": {"S": "range1"},
},
)
dynamodb.put_item(
TableName="test", Item={"id": {"S": "test2"}, "gsi_hash_key": {"S": "key1"}}
)
res = dynamodb.query(
TableName="test",
IndexName="test_gsi",
KeyConditionExpression="gsi_hash_key = :gsi_hash_key and gsi_range_key = :gsi_range_key",
ExpressionAttributeValues={
":gsi_hash_key": {"S": "key1"},
":gsi_range_key": {"S": "range1"},
},
)
res.should.have.key("Count").equal(1)
res.should.have.key("Items")
res["Items"][0].should.equal(
{
"id": {"S": "test1"},
"gsi_hash_key": {"S": "key1"},
"gsi_range_key": {"S": "range1"},
}
)
@mock_dynamodb
def test_scan_by_non_exists_index():
dynamodb = boto3.client("dynamodb", region_name="us-east-1")
dynamodb.create_table(
TableName="test",
KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
AttributeDefinitions=[
{"AttributeName": "id", "AttributeType": "S"},
{"AttributeName": "gsi_col", "AttributeType": "S"},
],
ProvisionedThroughput={"ReadCapacityUnits": 1, "WriteCapacityUnits": 1},
GlobalSecondaryIndexes=[
{
"IndexName": "test_gsi",
"KeySchema": [{"AttributeName": "gsi_col", "KeyType": "HASH"}],
"Projection": {"ProjectionType": "ALL"},
"ProvisionedThroughput": {
"ReadCapacityUnits": 1,
"WriteCapacityUnits": 1,
},
}
],
)
with pytest.raises(ClientError) as ex:
dynamodb.scan(TableName="test", IndexName="non_exists_index")
ex.value.response["Error"]["Code"].should.equal("ValidationException")
ex.value.response["ResponseMetadata"]["HTTPStatusCode"].should.equal(400)
ex.value.response["Error"]["Message"].should.equal(
"The table does not have the specified index: non_exists_index"
)
@mock_dynamodb
def test_query_by_non_exists_index():
dynamodb = boto3.client("dynamodb", region_name="us-east-1")
dynamodb.create_table(
TableName="test",
KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
AttributeDefinitions=[
{"AttributeName": "id", "AttributeType": "S"},
{"AttributeName": "gsi_col", "AttributeType": "S"},
],
ProvisionedThroughput={"ReadCapacityUnits": 1, "WriteCapacityUnits": 1},
GlobalSecondaryIndexes=[
{
"IndexName": "test_gsi",
"KeySchema": [{"AttributeName": "gsi_col", "KeyType": "HASH"}],
"Projection": {"ProjectionType": "ALL"},
"ProvisionedThroughput": {
"ReadCapacityUnits": 1,
"WriteCapacityUnits": 1,
},
}
],
)
with pytest.raises(ClientError) as ex:
dynamodb.query(
TableName="test",
IndexName="non_exists_index",
KeyConditionExpression="CarModel=M",
)
ex.value.response["Error"]["Code"].should.equal("ResourceNotFoundException")
ex.value.response["Error"]["Message"].should.equal(
"Invalid index: non_exists_index for table: test. Available indexes are: test_gsi"
)
@mock_dynamodb
def test_index_with_unknown_attributes_should_fail():
dynamodb = boto3.client("dynamodb", region_name="us-east-1")
expected_exception = (
"Some index key attributes are not defined in AttributeDefinitions."
)
with pytest.raises(ClientError) as ex:
dynamodb.create_table(
AttributeDefinitions=[
{"AttributeName": "customer_nr", "AttributeType": "S"},
{"AttributeName": "last_name", "AttributeType": "S"},
],
TableName="table_with_missing_attribute_definitions",
KeySchema=[
{"AttributeName": "customer_nr", "KeyType": "HASH"},
{"AttributeName": "last_name", "KeyType": "RANGE"},
],
LocalSecondaryIndexes=[
{
"IndexName": "indexthataddsanadditionalattribute",
"KeySchema": [
{"AttributeName": "customer_nr", "KeyType": "HASH"},
{"AttributeName": "postcode", "KeyType": "RANGE"},
],
"Projection": {"ProjectionType": "ALL"},
}
],
BillingMode="PAY_PER_REQUEST",
)
ex.value.response["Error"]["Code"].should.equal("ValidationException")
ex.value.response["Error"]["Message"].should.contain(expected_exception)
@mock_dynamodb
def test_update_list_index__set_existing_index():
table_name = "test_list_index_access"
client = create_table_with_list(table_name)
client.put_item(
TableName=table_name,
Item={
"id": {"S": "foo"},
"itemlist": {"L": [{"S": "bar1"}, {"S": "bar2"}, {"S": "bar3"}]},
},
)
client.update_item(
TableName=table_name,
Key={"id": {"S": "foo"}},
UpdateExpression="set itemlist[1]=:Item",
ExpressionAttributeValues={":Item": {"S": "bar2_update"}},
)
#
result = client.get_item(TableName=table_name, Key={"id": {"S": "foo"}})["Item"]
result["id"].should.equal({"S": "foo"})
result["itemlist"].should.equal(
{"L": [{"S": "bar1"}, {"S": "bar2_update"}, {"S": "bar3"}]}
)
@mock_dynamodb
def test_update_list_index__set_existing_nested_index():
table_name = "test_list_index_access"
client = create_table_with_list(table_name)
client.put_item(
TableName=table_name,
Item={
"id": {"S": "foo2"},
"itemmap": {
"M": {"itemlist": {"L": [{"S": "bar1"}, {"S": "bar2"}, {"S": "bar3"}]}}
},
},
)
client.update_item(
TableName=table_name,
Key={"id": {"S": "foo2"}},
UpdateExpression="set itemmap.itemlist[1]=:Item",
ExpressionAttributeValues={":Item": {"S": "bar2_update"}},
)
#
result = client.get_item(TableName=table_name, Key={"id": {"S": "foo2"}})["Item"]
result["id"].should.equal({"S": "foo2"})
result["itemmap"]["M"]["itemlist"]["L"].should.equal(
[{"S": "bar1"}, {"S": "bar2_update"}, {"S": "bar3"}]
)
@mock_dynamodb
def test_update_list_index__set_index_out_of_range():
table_name = "test_list_index_access"
client = create_table_with_list(table_name)
client.put_item(
TableName=table_name,
Item={
"id": {"S": "foo"},
"itemlist": {"L": [{"S": "bar1"}, {"S": "bar2"}, {"S": "bar3"}]},
},
)
client.update_item(
TableName=table_name,
Key={"id": {"S": "foo"}},
UpdateExpression="set itemlist[10]=:Item",
ExpressionAttributeValues={":Item": {"S": "bar10"}},
)
#
result = client.get_item(TableName=table_name, Key={"id": {"S": "foo"}})["Item"]
assert result["id"] == {"S": "foo"}
assert result["itemlist"] == {
"L": [{"S": "bar1"}, {"S": "bar2"}, {"S": "bar3"}, {"S": "bar10"}]
}
@mock_dynamodb
def test_update_list_index__set_nested_index_out_of_range():
table_name = "test_list_index_access"
client = create_table_with_list(table_name)
client.put_item(
TableName=table_name,
Item={
"id": {"S": "foo2"},
"itemmap": {
"M": {"itemlist": {"L": [{"S": "bar1"}, {"S": "bar2"}, {"S": "bar3"}]}}
},
},
)
client.update_item(
TableName=table_name,
Key={"id": {"S": "foo2"}},
UpdateExpression="set itemmap.itemlist[10]=:Item",
ExpressionAttributeValues={":Item": {"S": "bar10"}},
)
#
result = client.get_item(TableName=table_name, Key={"id": {"S": "foo2"}})["Item"]
assert result["id"] == {"S": "foo2"}
assert result["itemmap"]["M"]["itemlist"]["L"] == [
{"S": "bar1"},
{"S": "bar2"},
{"S": "bar3"},
{"S": "bar10"},
]
@mock_dynamodb
def test_update_list_index__set_double_nested_index():
table_name = "test_list_index_access"
client = create_table_with_list(table_name)
client.put_item(
TableName=table_name,
Item={
"id": {"S": "foo2"},
"itemmap": {
"M": {
"itemlist": {
"L": [
{"M": {"foo": {"S": "bar11"}, "foos": {"S": "bar12"}}},
{"M": {"foo": {"S": "bar21"}, "foos": {"S": "bar21"}}},
]
}
}
},
},
)
client.update_item(
TableName=table_name,
Key={"id": {"S": "foo2"}},
UpdateExpression="set itemmap.itemlist[1].foos=:Item",
ExpressionAttributeValues={":Item": {"S": "bar22"}},
)
#
result = client.get_item(TableName=table_name, Key={"id": {"S": "foo2"}})["Item"]
assert result["id"] == {"S": "foo2"}
len(result["itemmap"]["M"]["itemlist"]["L"]).should.equal(2)
result["itemmap"]["M"]["itemlist"]["L"][0].should.equal(
{"M": {"foo": {"S": "bar11"}, "foos": {"S": "bar12"}}}
) # unchanged
result["itemmap"]["M"]["itemlist"]["L"][1].should.equal(
{"M": {"foo": {"S": "bar21"}, "foos": {"S": "bar22"}}}
) # updated
@mock_dynamodb
def test_update_list_index__set_index_of_a_string():
table_name = "test_list_index_access"
client = create_table_with_list(table_name)
client.put_item(
TableName=table_name, Item={"id": {"S": "foo2"}, "itemstr": {"S": "somestring"}}
)
with pytest.raises(ClientError) as ex:
client.update_item(
TableName=table_name,
Key={"id": {"S": "foo2"}},
UpdateExpression="set itemstr[1]=:Item",
ExpressionAttributeValues={":Item": {"S": "string_update"}},
)
client.get_item(TableName=table_name, Key={"id": {"S": "foo2"}})["Item"]
ex.value.response["Error"]["Code"].should.equal("ValidationException")
ex.value.response["Error"]["Message"].should.equal(
"The document path provided in the update expression is invalid for update"
)
@mock_dynamodb
def test_remove_top_level_attribute():
table_name = "test_remove"
client = create_table_with_list(table_name)
client.put_item(
TableName=table_name, Item={"id": {"S": "foo"}, "item": {"S": "bar"}}
)
client.update_item(
TableName=table_name,
Key={"id": {"S": "foo"}},
UpdateExpression="REMOVE #i",
ExpressionAttributeNames={"#i": "item"},
)
#
result = client.get_item(TableName=table_name, Key={"id": {"S": "foo"}})["Item"]
result.should.equal({"id": {"S": "foo"}})
@mock_dynamodb
def test_remove_top_level_attribute_non_existent():
"""
Remove statements do not require attribute to exist they silently pass
"""
table_name = "test_remove"
client = create_table_with_list(table_name)
ddb_item = {"id": {"S": "foo"}, "item": {"S": "bar"}}
client.put_item(TableName=table_name, Item=ddb_item)
client.update_item(
TableName=table_name,
Key={"id": {"S": "foo"}},
UpdateExpression="REMOVE non_existent_attribute",
ExpressionAttributeNames={"#i": "item"},
)
result = client.get_item(TableName=table_name, Key={"id": {"S": "foo"}})["Item"]
result.should.equal(ddb_item)
@mock_dynamodb
def test_remove_list_index__remove_existing_index():
table_name = "test_list_index_access"
client = create_table_with_list(table_name)
client.put_item(
TableName=table_name,
Item={
"id": {"S": "foo"},
"itemlist": {"L": [{"S": "bar1"}, {"S": "bar2"}, {"S": "bar3"}]},
},
)
client.update_item(
TableName=table_name,
Key={"id": {"S": "foo"}},
UpdateExpression="REMOVE itemlist[1]",
)
#
result = client.get_item(TableName=table_name, Key={"id": {"S": "foo"}})["Item"]
result["id"].should.equal({"S": "foo"})
result["itemlist"].should.equal({"L": [{"S": "bar1"}, {"S": "bar3"}]})
@mock_dynamodb
def test_remove_list_index__remove_multiple_indexes():
table_name = "remove-test"
create_table_with_list(table_name)
dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
table = dynamodb.Table(table_name)
table.put_item(
Item={
"id": "woop",
"bla": ["1", "2", "3", "4", "5"],
},
)
table.update_item(
Key={"id": "woop"}, UpdateExpression="REMOVE bla[0], bla[1], bla[2]"
)
result = table.get_item(Key={"id": "woop"})
item = result["Item"]
assert item["bla"] == ["4", "5"]
@mock_dynamodb
def test_remove_list_index__remove_existing_nested_index():
table_name = "test_list_index_access"
client = create_table_with_list(table_name)
client.put_item(
TableName=table_name,
Item={
"id": {"S": "foo2"},
"itemmap": {"M": {"itemlist": {"L": [{"S": "bar1"}, {"S": "bar2"}]}}},
},
)
client.update_item(
TableName=table_name,
Key={"id": {"S": "foo2"}},
UpdateExpression="REMOVE itemmap.itemlist[1]",
)
#
result = client.get_item(TableName=table_name, Key={"id": {"S": "foo2"}})["Item"]
result["id"].should.equal({"S": "foo2"})
result["itemmap"]["M"]["itemlist"]["L"].should.equal([{"S": "bar1"}])
@mock_dynamodb
def test_remove_list_index__remove_existing_double_nested_index():
table_name = "test_list_index_access"
client = create_table_with_list(table_name)
client.put_item(
TableName=table_name,
Item={
"id": {"S": "foo2"},
"itemmap": {
"M": {
"itemlist": {
"L": [
{"M": {"foo00": {"S": "bar1"}, "foo01": {"S": "bar2"}}},
{"M": {"foo10": {"S": "bar1"}, "foo11": {"S": "bar2"}}},
]
}
}
},
},
)
client.update_item(
TableName=table_name,
Key={"id": {"S": "foo2"}},
UpdateExpression="REMOVE itemmap.itemlist[1].foo10",
)
#
result = client.get_item(TableName=table_name, Key={"id": {"S": "foo2"}})["Item"]
assert result["id"] == {"S": "foo2"}
assert result["itemmap"]["M"]["itemlist"]["L"][0]["M"].should.equal(
{"foo00": {"S": "bar1"}, "foo01": {"S": "bar2"}}
) # untouched
assert result["itemmap"]["M"]["itemlist"]["L"][1]["M"].should.equal(
{"foo11": {"S": "bar2"}}
) # changed
@mock_dynamodb
def test_remove_list_index__remove_index_out_of_range():
table_name = "test_list_index_access"
client = create_table_with_list(table_name)
client.put_item(
TableName=table_name,
Item={
"id": {"S": "foo"},
"itemlist": {"L": [{"S": "bar1"}, {"S": "bar2"}, {"S": "bar3"}]},
},
)
client.update_item(
TableName=table_name,
Key={"id": {"S": "foo"}},
UpdateExpression="REMOVE itemlist[10]",
)
#
result = client.get_item(TableName=table_name, Key={"id": {"S": "foo"}})["Item"]
assert result["id"] == {"S": "foo"}
assert result["itemlist"] == {"L": [{"S": "bar1"}, {"S": "bar2"}, {"S": "bar3"}]}
def create_table_with_list(table_name):
client = boto3.client("dynamodb", region_name="us-east-1")
client.create_table(
TableName=table_name,
KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "id", "AttributeType": "S"}],
BillingMode="PAY_PER_REQUEST",
)
return client
@mock_dynamodb
def test_sorted_query_with_numerical_sort_key():
dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
dynamodb.create_table(
TableName="CarCollection",
KeySchema=[
{"AttributeName": "CarModel", "KeyType": "HASH"},
{"AttributeName": "CarPrice", "KeyType": "RANGE"},
],
AttributeDefinitions=[
{"AttributeName": "CarModel", "AttributeType": "S"},
{"AttributeName": "CarPrice", "AttributeType": "N"},
],
ProvisionedThroughput={"ReadCapacityUnits": 1, "WriteCapacityUnits": 1},
)
def create_item(price):
return {"CarModel": "M", "CarPrice": price}
table = dynamodb.Table("CarCollection")
items = list(map(create_item, [2, 1, 10, 3]))
for item in items:
table.put_item(Item=item)
response = table.query(KeyConditionExpression=Key("CarModel").eq("M"))
response_items = response["Items"]
assert len(items) == len(response_items)
assert all(isinstance(item["CarPrice"], Decimal) for item in response_items)
response_prices = [item["CarPrice"] for item in response_items]
expected_prices = [Decimal(item["CarPrice"]) for item in items]
expected_prices.sort()
assert (
expected_prices == response_prices
), "result items are not sorted by numerical value"
# https://github.com/getmoto/moto/issues/1874
@mock_dynamodb
def test_item_size_is_under_400KB():
dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
client = boto3.client("dynamodb", region_name="us-east-1")
dynamodb.create_table(
TableName="moto-test",
KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "id", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 1, "WriteCapacityUnits": 1},
)
table = dynamodb.Table("moto-test")
large_item = "x" * 410 * 1000
assert_failure_due_to_item_size(
func=client.put_item,
TableName="moto-test",
Item={"id": {"S": "foo"}, "cont": {"S": large_item}},
)
assert_failure_due_to_item_size(
func=table.put_item, Item={"id": "bar", "cont": large_item}
)
assert_failure_due_to_item_size_to_update(
func=client.update_item,
TableName="moto-test",
Key={"id": {"S": "foo2"}},
UpdateExpression="set cont=:Item",
ExpressionAttributeValues={":Item": {"S": large_item}},
)
# Assert op fails when updating a nested item
assert_failure_due_to_item_size(
func=table.put_item, Item={"id": "bar", "itemlist": [{"cont": large_item}]}
)
assert_failure_due_to_item_size(
func=client.put_item,
TableName="moto-test",
Item={
"id": {"S": "foo"},
"itemlist": {"L": [{"M": {"item1": {"S": large_item}}}]},
},
)
def assert_failure_due_to_item_size(func, **kwargs):
with pytest.raises(ClientError) as ex:
func(**kwargs)
ex.value.response["Error"]["Code"].should.equal("ValidationException")
ex.value.response["Error"]["Message"].should.equal(
"Item size has exceeded the maximum allowed size"
)
def assert_failure_due_to_item_size_to_update(func, **kwargs):
with pytest.raises(ClientError) as ex:
func(**kwargs)
ex.value.response["Error"]["Code"].should.equal("ValidationException")
ex.value.response["Error"]["Message"].should.equal(
"Item size to update has exceeded the maximum allowed size"
)
@mock_dynamodb
def test_update_supports_complex_expression_attribute_values():
client = boto3.client("dynamodb", region_name="us-east-1")
client.create_table(
AttributeDefinitions=[{"AttributeName": "SHA256", "AttributeType": "S"}],
TableName="TestTable",
KeySchema=[{"AttributeName": "SHA256", "KeyType": "HASH"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
client.update_item(
TableName="TestTable",
Key={"SHA256": {"S": "sha-of-file"}},
UpdateExpression=(
"SET MD5 = :md5," "MyStringSet = :string_set," "MyMap = :map"
),
ExpressionAttributeValues={
":md5": {"S": "md5-of-file"},
":string_set": {"SS": ["string1", "string2"]},
":map": {"M": {"EntryKey": {"SS": ["thing1", "thing2"]}}},
},
)
result = client.get_item(
TableName="TestTable", Key={"SHA256": {"S": "sha-of-file"}}
)["Item"]
result.should.equal(
{
"MyStringSet": {"SS": ["string1", "string2"]},
"MyMap": {"M": {"EntryKey": {"SS": ["thing1", "thing2"]}}},
"SHA256": {"S": "sha-of-file"},
"MD5": {"S": "md5-of-file"},
}
)
@mock_dynamodb
def test_update_supports_list_append():
# Verify whether the list_append operation works as expected
client = boto3.client("dynamodb", region_name="us-east-1")
client.create_table(
AttributeDefinitions=[{"AttributeName": "SHA256", "AttributeType": "S"}],
TableName="TestTable",
KeySchema=[{"AttributeName": "SHA256", "KeyType": "HASH"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
client.put_item(
TableName="TestTable",
Item={"SHA256": {"S": "sha-of-file"}, "crontab": {"L": [{"S": "bar1"}]}},
)
# Update item using list_append expression
updated_item = client.update_item(
TableName="TestTable",
Key={"SHA256": {"S": "sha-of-file"}},
UpdateExpression="SET crontab = list_append(crontab, :i)",
ExpressionAttributeValues={":i": {"L": [{"S": "bar2"}]}},
ReturnValues="UPDATED_NEW",
)
# Verify updated item is correct
updated_item["Attributes"].should.equal(
{"crontab": {"L": [{"S": "bar1"}, {"S": "bar2"}]}}
)
# Verify item is appended to the existing list
result = client.get_item(
TableName="TestTable", Key={"SHA256": {"S": "sha-of-file"}}
)["Item"]
result.should.equal(
{
"SHA256": {"S": "sha-of-file"},
"crontab": {"L": [{"S": "bar1"}, {"S": "bar2"}]},
}
)
@mock_dynamodb
def test_update_supports_nested_list_append():
# Verify whether we can append a list that's inside a map
client = boto3.client("dynamodb", region_name="us-east-1")
client.create_table(
AttributeDefinitions=[{"AttributeName": "id", "AttributeType": "S"}],
TableName="TestTable",
KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
client.put_item(
TableName="TestTable",
Item={
"id": {"S": "nested_list_append"},
"a": {"M": {"b": {"L": [{"S": "bar1"}]}}},
},
)
# Update item using list_append expression
updated_item = client.update_item(
TableName="TestTable",
Key={"id": {"S": "nested_list_append"}},
UpdateExpression="SET a.#b = list_append(a.#b, :i)",
ExpressionAttributeValues={":i": {"L": [{"S": "bar2"}]}},
ExpressionAttributeNames={"#b": "b"},
ReturnValues="UPDATED_NEW",
)
# Verify updated item is correct
updated_item["Attributes"].should.equal(
{"a": {"M": {"b": {"L": [{"S": "bar1"}, {"S": "bar2"}]}}}}
)
result = client.get_item(
TableName="TestTable", Key={"id": {"S": "nested_list_append"}}
)["Item"]
result.should.equal(
{
"id": {"S": "nested_list_append"},
"a": {"M": {"b": {"L": [{"S": "bar1"}, {"S": "bar2"}]}}},
}
)
@mock_dynamodb
def test_update_supports_multiple_levels_nested_list_append():
# Verify whether we can append a list that's inside a map that's inside a map (Inception!)
client = boto3.client("dynamodb", region_name="us-east-1")
client.create_table(
AttributeDefinitions=[{"AttributeName": "id", "AttributeType": "S"}],
TableName="TestTable",
KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
client.put_item(
TableName="TestTable",
Item={
"id": {"S": "nested_list_append"},
"a": {"M": {"b": {"M": {"c": {"L": [{"S": "bar1"}]}}}}},
},
)
# Update item using list_append expression
updated_item = client.update_item(
TableName="TestTable",
Key={"id": {"S": "nested_list_append"}},
UpdateExpression="SET a.#b.c = list_append(a.#b.#c, :i)",
ExpressionAttributeValues={":i": {"L": [{"S": "bar2"}]}},
ExpressionAttributeNames={"#b": "b", "#c": "c"},
ReturnValues="UPDATED_NEW",
)
# Verify updated item is correct
updated_item["Attributes"].should.equal(
{"a": {"M": {"b": {"M": {"c": {"L": [{"S": "bar1"}, {"S": "bar2"}]}}}}}}
)
# Verify item is appended to the existing list
result = client.get_item(
TableName="TestTable", Key={"id": {"S": "nested_list_append"}}
)["Item"]
result.should.equal(
{
"id": {"S": "nested_list_append"},
"a": {"M": {"b": {"M": {"c": {"L": [{"S": "bar1"}, {"S": "bar2"}]}}}}},
}
)
@mock_dynamodb
def test_update_supports_nested_list_append_onto_another_list():
# Verify whether we can take the contents of one list, and use that to fill another list
# Note that the contents of the other list is completely overwritten
client = boto3.client("dynamodb", region_name="us-east-1")
client.create_table(
AttributeDefinitions=[{"AttributeName": "id", "AttributeType": "S"}],
TableName="TestTable",
KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
client.put_item(
TableName="TestTable",
Item={
"id": {"S": "list_append_another"},
"a": {"M": {"b": {"L": [{"S": "bar1"}]}, "c": {"L": [{"S": "car1"}]}}},
},
)
# Update item using list_append expression
updated_item = client.update_item(
TableName="TestTable",
Key={"id": {"S": "list_append_another"}},
UpdateExpression="SET a.#c = list_append(a.#b, :i)",
ExpressionAttributeValues={":i": {"L": [{"S": "bar2"}]}},
ExpressionAttributeNames={"#b": "b", "#c": "c"},
ReturnValues="UPDATED_NEW",
)
# Verify updated item is correct
updated_item["Attributes"].should.equal(
{"a": {"M": {"c": {"L": [{"S": "bar1"}, {"S": "bar2"}]}}}}
)
# Verify item is appended to the existing list
result = client.get_item(
TableName="TestTable", Key={"id": {"S": "list_append_another"}}
)["Item"]
result.should.equal(
{
"id": {"S": "list_append_another"},
"a": {
"M": {
"b": {"L": [{"S": "bar1"}]},
"c": {"L": [{"S": "bar1"}, {"S": "bar2"}]},
}
},
}
)
@mock_dynamodb
def test_update_supports_list_append_maps():
client = boto3.client("dynamodb", region_name="us-west-1")
client.create_table(
AttributeDefinitions=[
{"AttributeName": "id", "AttributeType": "S"},
{"AttributeName": "rid", "AttributeType": "S"},
],
TableName="TestTable",
KeySchema=[
{"AttributeName": "id", "KeyType": "HASH"},
{"AttributeName": "rid", "KeyType": "RANGE"},
],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
client.put_item(
TableName="TestTable",
Item={
"id": {"S": "nested_list_append"},
"rid": {"S": "range_key"},
"a": {"L": [{"M": {"b": {"S": "bar1"}}}]},
},
)
# Update item using list_append expression
updated_item = client.update_item(
TableName="TestTable",
Key={"id": {"S": "nested_list_append"}, "rid": {"S": "range_key"}},
UpdateExpression="SET a = list_append(a, :i)",
ExpressionAttributeValues={":i": {"L": [{"M": {"b": {"S": "bar2"}}}]}},
ReturnValues="UPDATED_NEW",
)
# Verify updated item is correct
updated_item["Attributes"].should.equal(
{"a": {"L": [{"M": {"b": {"S": "bar1"}}}, {"M": {"b": {"S": "bar2"}}}]}}
)
# Verify item is appended to the existing list
result = client.query(
TableName="TestTable",
KeyConditionExpression="id = :i AND begins_with(rid, :r)",
ExpressionAttributeValues={
":i": {"S": "nested_list_append"},
":r": {"S": "range_key"},
},
)["Items"]
result.should.equal(
[
{
"a": {"L": [{"M": {"b": {"S": "bar1"}}}, {"M": {"b": {"S": "bar2"}}}]},
"rid": {"S": "range_key"},
"id": {"S": "nested_list_append"},
}
]
)
@mock_dynamodb
def test_update_supports_nested_update_if_nested_value_not_exists():
dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
name = "TestTable"
dynamodb.create_table(
TableName=name,
KeySchema=[{"AttributeName": "user_id", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "user_id", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
table = dynamodb.Table(name)
table.put_item(
Item={"user_id": "1234", "friends": {"5678": {"name": "friend_5678"}}}
)
table.update_item(
Key={"user_id": "1234"},
ExpressionAttributeNames={"#friends": "friends", "#friendid": "0000"},
ExpressionAttributeValues={":friend": {"name": "friend_0000"}},
UpdateExpression="SET #friends.#friendid = :friend",
ReturnValues="UPDATED_NEW",
)
item = table.get_item(Key={"user_id": "1234"})["Item"]
assert item == {
"user_id": "1234",
"friends": {"5678": {"name": "friend_5678"}, "0000": {"name": "friend_0000"}},
}
@mock_dynamodb
def test_update_supports_list_append_with_nested_if_not_exists_operation():
dynamo = boto3.resource("dynamodb", region_name="us-west-1")
table_name = "test"
dynamo.create_table(
TableName=table_name,
AttributeDefinitions=[{"AttributeName": "Id", "AttributeType": "S"}],
KeySchema=[{"AttributeName": "Id", "KeyType": "HASH"}],
ProvisionedThroughput={"ReadCapacityUnits": 20, "WriteCapacityUnits": 20},
)
table = dynamo.Table(table_name)
table.put_item(Item={"Id": "item-id", "nest1": {"nest2": {}}})
updated_item = table.update_item(
Key={"Id": "item-id"},
UpdateExpression="SET nest1.nest2.event_history = list_append(if_not_exists(nest1.nest2.event_history, :empty_list), :new_value)",
ExpressionAttributeValues={":empty_list": [], ":new_value": ["some_value"]},
ReturnValues="UPDATED_NEW",
)
# Verify updated item is correct
updated_item["Attributes"].should.equal(
{"nest1": {"nest2": {"event_history": ["some_value"]}}}
)
table.get_item(Key={"Id": "item-id"})["Item"].should.equal(
{"Id": "item-id", "nest1": {"nest2": {"event_history": ["some_value"]}}}
)
@mock_dynamodb
def test_update_supports_list_append_with_nested_if_not_exists_operation_and_property_already_exists():
dynamo = boto3.resource("dynamodb", region_name="us-west-1")
table_name = "test"
dynamo.create_table(
TableName=table_name,
AttributeDefinitions=[{"AttributeName": "Id", "AttributeType": "S"}],
KeySchema=[{"AttributeName": "Id", "KeyType": "HASH"}],
ProvisionedThroughput={"ReadCapacityUnits": 20, "WriteCapacityUnits": 20},
)
table = dynamo.Table(table_name)
table.put_item(Item={"Id": "item-id", "event_history": ["other_value"]})
updated_item = table.update_item(
Key={"Id": "item-id"},
UpdateExpression="SET event_history = list_append(if_not_exists(event_history, :empty_list), :new_value)",
ExpressionAttributeValues={":empty_list": [], ":new_value": ["some_value"]},
ReturnValues="UPDATED_NEW",
)
# Verify updated item is correct
updated_item["Attributes"].should.equal(
{"event_history": ["other_value", "some_value"]}
)
table.get_item(Key={"Id": "item-id"})["Item"].should.equal(
{"Id": "item-id", "event_history": ["other_value", "some_value"]}
)
@mock_dynamodb
def test_update_item_if_original_value_is_none():
dynamo = boto3.resource("dynamodb", region_name="eu-central-1")
dynamo.create_table(
AttributeDefinitions=[{"AttributeName": "job_id", "AttributeType": "S"}],
TableName="origin-rbu-dev",
KeySchema=[{"AttributeName": "job_id", "KeyType": "HASH"}],
ProvisionedThroughput={"ReadCapacityUnits": 1, "WriteCapacityUnits": 1},
)
table = dynamo.Table("origin-rbu-dev")
table.put_item(Item={"job_id": "a", "job_name": None})
table.update_item(
Key={"job_id": "a"},
UpdateExpression="SET job_name = :output",
ExpressionAttributeValues={":output": "updated"},
)
table.scan()["Items"][0]["job_name"].should.equal("updated")
@mock_dynamodb
def test_update_nested_item_if_original_value_is_none():
dynamo = boto3.resource("dynamodb", region_name="eu-central-1")
dynamo.create_table(
AttributeDefinitions=[{"AttributeName": "job_id", "AttributeType": "S"}],
TableName="origin-rbu-dev",
KeySchema=[{"AttributeName": "job_id", "KeyType": "HASH"}],
ProvisionedThroughput={"ReadCapacityUnits": 1, "WriteCapacityUnits": 1},
)
table = dynamo.Table("origin-rbu-dev")
table.put_item(Item={"job_id": "a", "job_details": {"job_name": None}})
updated_item = table.update_item(
Key={"job_id": "a"},
UpdateExpression="SET job_details.job_name = :output",
ExpressionAttributeValues={":output": "updated"},
ReturnValues="UPDATED_NEW",
)
# Verify updated item is correct
updated_item["Attributes"].should.equal({"job_details": {"job_name": "updated"}})
table.scan()["Items"][0]["job_details"]["job_name"].should.equal("updated")
@mock_dynamodb
def test_allow_update_to_item_with_different_type():
dynamo = boto3.resource("dynamodb", region_name="eu-central-1")
dynamo.create_table(
AttributeDefinitions=[{"AttributeName": "job_id", "AttributeType": "S"}],
TableName="origin-rbu-dev",
KeySchema=[{"AttributeName": "job_id", "KeyType": "HASH"}],
ProvisionedThroughput={"ReadCapacityUnits": 1, "WriteCapacityUnits": 1},
)
table = dynamo.Table("origin-rbu-dev")
table.put_item(Item={"job_id": "a", "job_details": {"job_name": {"nested": "yes"}}})
table.put_item(Item={"job_id": "b", "job_details": {"job_name": {"nested": "yes"}}})
updated_item = table.update_item(
Key={"job_id": "a"},
UpdateExpression="SET job_details.job_name = :output",
ExpressionAttributeValues={":output": "updated"},
ReturnValues="UPDATED_NEW",
)
# Verify updated item is correct
updated_item["Attributes"].should.equal({"job_details": {"job_name": "updated"}})
table.get_item(Key={"job_id": "a"})["Item"]["job_details"][
"job_name"
].should.be.equal("updated")
table.get_item(Key={"job_id": "b"})["Item"]["job_details"][
"job_name"
].should.be.equal({"nested": "yes"})
@mock_dynamodb
def test_query_catches_when_no_filters():
dynamo = boto3.resource("dynamodb", region_name="eu-central-1")
dynamo.create_table(
AttributeDefinitions=[{"AttributeName": "job_id", "AttributeType": "S"}],
TableName="origin-rbu-dev",
KeySchema=[{"AttributeName": "job_id", "KeyType": "HASH"}],
ProvisionedThroughput={"ReadCapacityUnits": 1, "WriteCapacityUnits": 1},
)
table = dynamo.Table("origin-rbu-dev")
with pytest.raises(ClientError) as ex:
table.query(TableName="original-rbu-dev")
ex.value.response["Error"]["Code"].should.equal("ValidationException")
ex.value.response["ResponseMetadata"]["HTTPStatusCode"].should.equal(400)
ex.value.response["Error"]["Message"].should.equal(
"Either KeyConditions or QueryFilter should be present"
)
@mock_dynamodb
def test_invalid_transact_get_items():
dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
dynamodb.create_table(
TableName="test1",
KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "id", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
table = dynamodb.Table("test1")
table.put_item(Item={"id": "1", "val": "1"})
table.put_item(Item={"id": "1", "val": "2"})
client = boto3.client("dynamodb", region_name="us-east-1")
with pytest.raises(ClientError) as ex:
client.transact_get_items(
TransactItems=[
{"Get": {"Key": {"id": {"S": "1"}}, "TableName": "test1"}}
for i in range(26)
]
)
ex.value.response["ResponseMetadata"]["HTTPStatusCode"].should.equal(400)
ex.value.response["Error"]["Message"].should.match(
r"failed to satisfy constraint: Member must have length less than or equal to 25",
re.I,
)
with pytest.raises(ClientError) as ex:
client.transact_get_items(
TransactItems=[
{"Get": {"Key": {"id": {"S": "1"}}, "TableName": "test1"}},
{"Get": {"Key": {"id": {"S": "1"}}, "TableName": "non_exists_table"}},
]
)
ex.value.response["Error"]["Code"].should.equal("ResourceNotFoundException")
ex.value.response["ResponseMetadata"]["HTTPStatusCode"].should.equal(400)
ex.value.response["Error"]["Message"].should.equal("Requested resource not found")
@mock_dynamodb
def test_valid_transact_get_items():
dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
dynamodb.create_table(
TableName="test1",
KeySchema=[
{"AttributeName": "id", "KeyType": "HASH"},
{"AttributeName": "sort_key", "KeyType": "RANGE"},
],
AttributeDefinitions=[
{"AttributeName": "id", "AttributeType": "S"},
{"AttributeName": "sort_key", "AttributeType": "S"},
],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
table1 = dynamodb.Table("test1")
table1.put_item(Item={"id": "1", "sort_key": "1"})
table1.put_item(Item={"id": "1", "sort_key": "2"})
dynamodb.create_table(
TableName="test2",
KeySchema=[
{"AttributeName": "id", "KeyType": "HASH"},
{"AttributeName": "sort_key", "KeyType": "RANGE"},
],
AttributeDefinitions=[
{"AttributeName": "id", "AttributeType": "S"},
{"AttributeName": "sort_key", "AttributeType": "S"},
],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
table2 = dynamodb.Table("test2")
table2.put_item(Item={"id": "1", "sort_key": "1"})
client = boto3.client("dynamodb", region_name="us-east-1")
res = client.transact_get_items(
TransactItems=[
{
"Get": {
"Key": {"id": {"S": "1"}, "sort_key": {"S": "1"}},
"TableName": "test1",
}
},
{
"Get": {
"Key": {"id": {"S": "non_exists_key"}, "sort_key": {"S": "2"}},
"TableName": "test1",
}
},
]
)
res["Responses"][0]["Item"].should.equal({"id": {"S": "1"}, "sort_key": {"S": "1"}})
len(res["Responses"]).should.equal(2)
res["Responses"][1].should.equal({})
res = client.transact_get_items(
TransactItems=[
{
"Get": {
"Key": {"id": {"S": "1"}, "sort_key": {"S": "1"}},
"TableName": "test1",
}
},
{
"Get": {
"Key": {"id": {"S": "1"}, "sort_key": {"S": "2"}},
"TableName": "test1",
}
},
{
"Get": {
"Key": {"id": {"S": "1"}, "sort_key": {"S": "1"}},
"TableName": "test2",
}
},
]
)
res["Responses"][0]["Item"].should.equal({"id": {"S": "1"}, "sort_key": {"S": "1"}})
res["Responses"][1]["Item"].should.equal({"id": {"S": "1"}, "sort_key": {"S": "2"}})
res["Responses"][2]["Item"].should.equal({"id": {"S": "1"}, "sort_key": {"S": "1"}})
res = client.transact_get_items(
TransactItems=[
{
"Get": {
"Key": {"id": {"S": "1"}, "sort_key": {"S": "1"}},
"TableName": "test1",
}
},
{
"Get": {
"Key": {"id": {"S": "1"}, "sort_key": {"S": "2"}},
"TableName": "test1",
}
},
{
"Get": {
"Key": {"id": {"S": "1"}, "sort_key": {"S": "1"}},
"TableName": "test2",
}
},
],
ReturnConsumedCapacity="TOTAL",
)
res["ConsumedCapacity"][0].should.equal(
{"TableName": "test1", "CapacityUnits": 4.0, "ReadCapacityUnits": 4.0}
)
res["ConsumedCapacity"][1].should.equal(
{"TableName": "test2", "CapacityUnits": 2.0, "ReadCapacityUnits": 2.0}
)
res = client.transact_get_items(
TransactItems=[
{
"Get": {
"Key": {"id": {"S": "1"}, "sort_key": {"S": "1"}},
"TableName": "test1",
}
},
{
"Get": {
"Key": {"id": {"S": "1"}, "sort_key": {"S": "2"}},
"TableName": "test1",
}
},
{
"Get": {
"Key": {"id": {"S": "1"}, "sort_key": {"S": "1"}},
"TableName": "test2",
}
},
],
ReturnConsumedCapacity="INDEXES",
)
res["ConsumedCapacity"][0].should.equal(
{
"TableName": "test1",
"CapacityUnits": 4.0,
"ReadCapacityUnits": 4.0,
"Table": {"CapacityUnits": 4.0, "ReadCapacityUnits": 4.0},
}
)
res["ConsumedCapacity"][1].should.equal(
{
"TableName": "test2",
"CapacityUnits": 2.0,
"ReadCapacityUnits": 2.0,
"Table": {"CapacityUnits": 2.0, "ReadCapacityUnits": 2.0},
}
)
@mock_dynamodb
def test_gsi_verify_negative_number_order():
table_schema = {
"KeySchema": [{"AttributeName": "partitionKey", "KeyType": "HASH"}],
"GlobalSecondaryIndexes": [
{
"IndexName": "GSI-K1",
"KeySchema": [
{"AttributeName": "gsiK1PartitionKey", "KeyType": "HASH"},
{"AttributeName": "gsiK1SortKey", "KeyType": "RANGE"},
],
"Projection": {"ProjectionType": "KEYS_ONLY"},
}
],
"AttributeDefinitions": [
{"AttributeName": "partitionKey", "AttributeType": "S"},
{"AttributeName": "gsiK1PartitionKey", "AttributeType": "S"},
{"AttributeName": "gsiK1SortKey", "AttributeType": "N"},
],
}
item1 = {
"partitionKey": "pk-1",
"gsiK1PartitionKey": "gsi-k1",
"gsiK1SortKey": Decimal("-0.6"),
}
item2 = {
"partitionKey": "pk-2",
"gsiK1PartitionKey": "gsi-k1",
"gsiK1SortKey": Decimal("-0.7"),
}
item3 = {
"partitionKey": "pk-3",
"gsiK1PartitionKey": "gsi-k1",
"gsiK1SortKey": Decimal("0.7"),
}
dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
dynamodb.create_table(
TableName="test-table", BillingMode="PAY_PER_REQUEST", **table_schema
)
table = dynamodb.Table("test-table")
table.put_item(Item=item3)
table.put_item(Item=item1)
table.put_item(Item=item2)
resp = table.query(
KeyConditionExpression=Key("gsiK1PartitionKey").eq("gsi-k1"), IndexName="GSI-K1"
)
# Items should be ordered with the lowest number first
[float(item["gsiK1SortKey"]) for item in resp["Items"]].should.equal(
[-0.7, -0.6, 0.7]
)
@mock_dynamodb
def test_transact_write_items_put():
table_schema = {
"KeySchema": [{"AttributeName": "id", "KeyType": "HASH"}],
"AttributeDefinitions": [{"AttributeName": "id", "AttributeType": "S"}],
}
dynamodb = boto3.client("dynamodb", region_name="us-east-1")
dynamodb.create_table(
TableName="test-table", BillingMode="PAY_PER_REQUEST", **table_schema
)
# Put multiple items
dynamodb.transact_write_items(
TransactItems=[
{
"Put": {
"Item": {"id": {"S": f"foo{str(i)}"}, "foo": {"S": "bar"}},
"TableName": "test-table",
}
}
for i in range(0, 5)
]
)
# Assert all are present
items = dynamodb.scan(TableName="test-table")["Items"]
items.should.have.length_of(5)
@mock_dynamodb
def test_transact_write_items_put_conditional_expressions():
table_schema = {
"KeySchema": [{"AttributeName": "id", "KeyType": "HASH"}],
"AttributeDefinitions": [{"AttributeName": "id", "AttributeType": "S"}],
}
dynamodb = boto3.client("dynamodb", region_name="us-east-1")
dynamodb.create_table(
TableName="test-table", BillingMode="PAY_PER_REQUEST", **table_schema
)
dynamodb.put_item(TableName="test-table", Item={"id": {"S": "foo2"}})
# Put multiple items
with pytest.raises(ClientError) as ex:
dynamodb.transact_write_items(
TransactItems=[
{
"Put": {
"Item": {
"id": {"S": f"foo{i}"},
"foo": {"S": "bar"},
},
"TableName": "test-table",
"ConditionExpression": "#i <> :i",
"ExpressionAttributeNames": {"#i": "id"},
"ExpressionAttributeValues": {
":i": {
"S": "foo2"
} # This item already exist, so the ConditionExpression should fail
},
}
}
for i in range(0, 5)
]
)
# Assert the exception is correct
ex.value.response["Error"]["Code"].should.equal("TransactionCanceledException")
reasons = ex.value.response["CancellationReasons"]
reasons.should.have.length_of(5)
reasons.should.contain(
{
"Code": "ConditionalCheckFailed",
"Message": "The conditional request failed",
"Item": {"id": {"S": "foo2"}, "foo": {"S": "bar"}},
}
)
reasons.should.contain({"Code": "None"})
ex.value.response["ResponseMetadata"]["HTTPStatusCode"].should.equal(400)
# Assert all are present
items = dynamodb.scan(TableName="test-table")["Items"]
items.should.have.length_of(1)
items[0].should.equal({"id": {"S": "foo2"}})
@mock_dynamodb
def test_transact_write_items_put_conditional_expressions_return_values_on_condition_check_failure_all_old():
table_schema = {
"KeySchema": [{"AttributeName": "id", "KeyType": "HASH"}],
"AttributeDefinitions": [{"AttributeName": "id", "AttributeType": "S"}],
}
dynamodb = boto3.client("dynamodb", region_name="us-east-1")
dynamodb.create_table(
TableName="test-table", BillingMode="PAY_PER_REQUEST", **table_schema
)
dynamodb.put_item(TableName="test-table", Item={"id": {"S": "foo2"}})
# Put multiple items
with pytest.raises(ClientError) as ex:
dynamodb.transact_write_items(
TransactItems=[
{
"Put": {
"Item": {
"id": {"S": f"foo{i}"},
"foo": {"S": "bar"},
},
"TableName": "test-table",
"ConditionExpression": "#i <> :i",
"ExpressionAttributeNames": {"#i": "id"},
"ReturnValuesOnConditionCheckFailure": "ALL_OLD",
"ExpressionAttributeValues": {
":i": {
"S": "foo2"
} # This item already exist, so the ConditionExpression should fail
},
}
}
for i in range(0, 5)
]
)
# Assert the exception is correct
ex.value.response["Error"]["Code"].should.equal("TransactionCanceledException")
reasons = ex.value.response["CancellationReasons"]
reasons.should.have.length_of(5)
reasons.should.contain(
{
"Code": "ConditionalCheckFailed",
"Message": "The conditional request failed",
"Item": {"id": {"S": "foo2"}},
}
)
reasons.should.contain({"Code": "None"})
ex.value.response["ResponseMetadata"]["HTTPStatusCode"].should.equal(400)
# Assert all are present
items = dynamodb.scan(TableName="test-table")["Items"]
items.should.have.length_of(1)
items[0].should.equal({"id": {"S": "foo2"}})
@mock_dynamodb
def test_transact_write_items_conditioncheck_passes():
table_schema = {
"KeySchema": [{"AttributeName": "id", "KeyType": "HASH"}],
"AttributeDefinitions": [{"AttributeName": "id", "AttributeType": "S"}],
}
dynamodb = boto3.client("dynamodb", region_name="us-east-1")
dynamodb.create_table(
TableName="test-table", BillingMode="PAY_PER_REQUEST", **table_schema
)
# Insert an item without email address
dynamodb.put_item(TableName="test-table", Item={"id": {"S": "foo"}})
# Put an email address, after verifying it doesn't exist yet
dynamodb.transact_write_items(
TransactItems=[
{
"ConditionCheck": {
"Key": {"id": {"S": "foo"}},
"TableName": "test-table",
"ConditionExpression": "attribute_not_exists(#e)",
"ExpressionAttributeNames": {"#e": "email_address"},
}
},
{
"Put": {
"Item": {
"id": {"S": "foo"},
"email_address": {"S": "test@moto.com"},
},
"TableName": "test-table",
}
},
]
)
# Assert all are present
items = dynamodb.scan(TableName="test-table")["Items"]
items.should.have.length_of(1)
items[0].should.equal({"email_address": {"S": "test@moto.com"}, "id": {"S": "foo"}})
@mock_dynamodb
def test_transact_write_items_conditioncheck_fails():
table_schema = {
"KeySchema": [{"AttributeName": "id", "KeyType": "HASH"}],
"AttributeDefinitions": [{"AttributeName": "id", "AttributeType": "S"}],
}
dynamodb = boto3.client("dynamodb", region_name="us-east-1")
dynamodb.create_table(
TableName="test-table", BillingMode="PAY_PER_REQUEST", **table_schema
)
# Insert an item with email address
dynamodb.put_item(
TableName="test-table",
Item={"id": {"S": "foo"}, "email_address": {"S": "test@moto.com"}},
)
# Try to put an email address, but verify whether it exists
# ConditionCheck should fail
with pytest.raises(ClientError) as ex:
dynamodb.transact_write_items(
TransactItems=[
{
"ConditionCheck": {
"Key": {"id": {"S": "foo"}},
"TableName": "test-table",
"ConditionExpression": "attribute_not_exists(#e)",
"ExpressionAttributeNames": {"#e": "email_address"},
}
},
{
"Put": {
"Item": {
"id": {"S": "foo"},
"email_address": {"S": "update@moto.com"},
},
"TableName": "test-table",
}
},
]
)
# Assert the exception is correct
ex.value.response["Error"]["Code"].should.equal("TransactionCanceledException")
ex.value.response["ResponseMetadata"]["HTTPStatusCode"].should.equal(400)
# Assert the original email address is still present
items = dynamodb.scan(TableName="test-table")["Items"]
items.should.have.length_of(1)
items[0].should.equal({"email_address": {"S": "test@moto.com"}, "id": {"S": "foo"}})
@mock_dynamodb
def test_transact_write_items_delete():
table_schema = {
"KeySchema": [{"AttributeName": "id", "KeyType": "HASH"}],
"AttributeDefinitions": [{"AttributeName": "id", "AttributeType": "S"}],
}
dynamodb = boto3.client("dynamodb", region_name="us-east-1")
dynamodb.create_table(
TableName="test-table", BillingMode="PAY_PER_REQUEST", **table_schema
)
# Insert an item
dynamodb.put_item(TableName="test-table", Item={"id": {"S": "foo"}})
# Delete the item
dynamodb.transact_write_items(
TransactItems=[
{"Delete": {"Key": {"id": {"S": "foo"}}, "TableName": "test-table"}}
]
)
# Assert the item is deleted
items = dynamodb.scan(TableName="test-table")["Items"]
items.should.have.length_of(0)
@mock_dynamodb
def test_transact_write_items_delete_with_successful_condition_expression():
table_schema = {
"KeySchema": [{"AttributeName": "id", "KeyType": "HASH"}],
"AttributeDefinitions": [{"AttributeName": "id", "AttributeType": "S"}],
}
dynamodb = boto3.client("dynamodb", region_name="us-east-1")
dynamodb.create_table(
TableName="test-table", BillingMode="PAY_PER_REQUEST", **table_schema
)
# Insert an item without email address
dynamodb.put_item(TableName="test-table", Item={"id": {"S": "foo"}})
# ConditionExpression will pass - no email address has been specified yet
dynamodb.transact_write_items(
TransactItems=[
{
"Delete": {
"Key": {"id": {"S": "foo"}},
"TableName": "test-table",
"ConditionExpression": "attribute_not_exists(#e)",
"ExpressionAttributeNames": {"#e": "email_address"},
}
}
]
)
# Assert the item is deleted
items = dynamodb.scan(TableName="test-table")["Items"]
items.should.have.length_of(0)
@mock_dynamodb
def test_transact_write_items_delete_with_failed_condition_expression():
table_schema = {
"KeySchema": [{"AttributeName": "id", "KeyType": "HASH"}],
"AttributeDefinitions": [{"AttributeName": "id", "AttributeType": "S"}],
}
dynamodb = boto3.client("dynamodb", region_name="us-east-1")
dynamodb.create_table(
TableName="test-table", BillingMode="PAY_PER_REQUEST", **table_schema
)
# Insert an item with email address
dynamodb.put_item(
TableName="test-table",
Item={"id": {"S": "foo"}, "email_address": {"S": "test@moto.com"}},
)
# Try to delete an item that does not have an email address
# ConditionCheck should fail
with pytest.raises(ClientError) as ex:
dynamodb.transact_write_items(
TransactItems=[
{
"Delete": {
"Key": {"id": {"S": "foo"}},
"TableName": "test-table",
"ConditionExpression": "attribute_not_exists(#e)",
"ExpressionAttributeNames": {"#e": "email_address"},
}
}
]
)
# Assert the exception is correct
ex.value.response["Error"]["Code"].should.equal("TransactionCanceledException")
ex.value.response["ResponseMetadata"]["HTTPStatusCode"].should.equal(400)
# Assert the original item is still present
items = dynamodb.scan(TableName="test-table")["Items"]
items.should.have.length_of(1)
items[0].should.equal({"email_address": {"S": "test@moto.com"}, "id": {"S": "foo"}})
@mock_dynamodb
def test_transact_write_items_update():
table_schema = {
"KeySchema": [{"AttributeName": "id", "KeyType": "HASH"}],
"AttributeDefinitions": [{"AttributeName": "id", "AttributeType": "S"}],
}
dynamodb = boto3.client("dynamodb", region_name="us-east-1")
dynamodb.create_table(
TableName="test-table", BillingMode="PAY_PER_REQUEST", **table_schema
)
# Insert an item
dynamodb.put_item(TableName="test-table", Item={"id": {"S": "foo"}})
# Update the item
dynamodb.transact_write_items(
TransactItems=[
{
"Update": {
"Key": {"id": {"S": "foo"}},
"TableName": "test-table",
"UpdateExpression": "SET #e = :v",
"ExpressionAttributeNames": {"#e": "email_address"},
"ExpressionAttributeValues": {":v": {"S": "test@moto.com"}},
}
}
]
)
# Assert the item is updated
items = dynamodb.scan(TableName="test-table")["Items"]
items.should.have.length_of(1)
items[0].should.equal({"id": {"S": "foo"}, "email_address": {"S": "test@moto.com"}})
@mock_dynamodb
def test_transact_write_items_update_with_failed_condition_expression():
table_schema = {
"KeySchema": [{"AttributeName": "id", "KeyType": "HASH"}],
"AttributeDefinitions": [{"AttributeName": "id", "AttributeType": "S"}],
}
dynamodb = boto3.client("dynamodb", region_name="us-east-1")
dynamodb.create_table(
TableName="test-table", BillingMode="PAY_PER_REQUEST", **table_schema
)
# Insert an item with email address
dynamodb.put_item(
TableName="test-table",
Item={"id": {"S": "foo"}, "email_address": {"S": "test@moto.com"}},
)
# Try to update an item that does not have an email address
# ConditionCheck should fail
with pytest.raises(ClientError) as ex:
dynamodb.transact_write_items(
TransactItems=[
{
"Update": {
"Key": {"id": {"S": "foo"}},
"TableName": "test-table",
"UpdateExpression": "SET #e = :v",
"ConditionExpression": "attribute_not_exists(#e)",
"ExpressionAttributeNames": {"#e": "email_address"},
"ExpressionAttributeValues": {":v": {"S": "update@moto.com"}},
}
}
]
)
# Assert the exception is correct
ex.value.response["Error"]["Code"].should.equal("TransactionCanceledException")
ex.value.response["ResponseMetadata"]["HTTPStatusCode"].should.equal(400)
# Assert the original item is still present
items = dynamodb.scan(TableName="test-table")["Items"]
items.should.have.length_of(1)
items[0].should.equal({"email_address": {"S": "test@moto.com"}, "id": {"S": "foo"}})
@mock_dynamodb
def test_dynamodb_max_1mb_limit():
ddb = boto3.resource("dynamodb", region_name="eu-west-1")
table_name = "populated-mock-table"
table = ddb.create_table(
TableName=table_name,
KeySchema=[
{"AttributeName": "partition_key", "KeyType": "HASH"},
{"AttributeName": "sort_key", "KeyType": "RANGE"},
],
AttributeDefinitions=[
{"AttributeName": "partition_key", "AttributeType": "S"},
{"AttributeName": "sort_key", "AttributeType": "S"},
],
BillingMode="PAY_PER_REQUEST",
)
# Populate the table
items = [
{
"partition_key": "partition_key_val", # size=30
"sort_key": "sort_key_value____" + str(i), # size=30
}
for i in range(10000, 29999)
]
with table.batch_writer() as batch:
for item in items:
batch.put_item(Item=item)
response = table.query(
KeyConditionExpression=Key("partition_key").eq("partition_key_val")
)
# We shouldn't get everything back - the total result set is well over 1MB
len(items).should.be.greater_than(response["Count"])
response["LastEvaluatedKey"].shouldnt.be(None)
def assert_raise_syntax_error(client_error, token, near):
"""
Assert whether a client_error is as expected Syntax error. Syntax error looks like: `syntax_error_template`
Args:
client_error(ClientError): The ClientError exception that was raised
token(str): The token that ws unexpected
near(str): The part in the expression that shows where the error occurs it generally has the preceding token the
optional separation and the problematic token.
"""
syntax_error_template = (
'Invalid UpdateExpression: Syntax error; token: "{token}", near: "{near}"'
)
expected_syntax_error = syntax_error_template.format(token=token, near=near)
assert client_error.response["Error"]["Code"] == "ValidationException"
assert expected_syntax_error == client_error.response["Error"]["Message"]
@mock_dynamodb
def test_update_expression_with_numeric_literal_instead_of_value():
"""
DynamoDB requires literals to be passed in as values. If they are put literally in the expression a token error will
be raised
"""
dynamodb = boto3.client("dynamodb", region_name="eu-west-1")
dynamodb.create_table(
TableName="moto-test",
KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "id", "AttributeType": "S"}],
BillingMode="PAY_PER_REQUEST",
)
try:
dynamodb.update_item(
TableName="moto-test",
Key={"id": {"S": "1"}},
UpdateExpression="SET MyStr = myNum + 1",
)
assert False, "Validation exception not thrown"
except dynamodb.exceptions.ClientError as e:
assert_raise_syntax_error(e, "1", "+ 1")
@mock_dynamodb
def test_update_expression_with_multiple_set_clauses_must_be_comma_separated():
"""
An UpdateExpression can have multiple set clauses but if they are passed in without the separating comma.
"""
dynamodb = boto3.client("dynamodb", region_name="eu-west-1")
dynamodb.create_table(
TableName="moto-test",
KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "id", "AttributeType": "S"}],
BillingMode="PAY_PER_REQUEST",
)
try:
dynamodb.update_item(
TableName="moto-test",
Key={"id": {"S": "1"}},
UpdateExpression="SET MyStr = myNum Mystr2 myNum2",
)
assert False, "Validation exception not thrown"
except dynamodb.exceptions.ClientError as e:
assert_raise_syntax_error(e, "Mystr2", "myNum Mystr2 myNum2")
@mock_dynamodb
def test_list_tables_exclusive_start_table_name_empty():
client = boto3.client("dynamodb", region_name="us-east-1")
resp = client.list_tables(Limit=1, ExclusiveStartTableName="whatever")
len(resp["TableNames"]).should.equal(0)
def assert_correct_client_error(
client_error, code, message_template, message_values=None, braces=None
):
"""
Assert whether a client_error is as expected. Allow for a list of values to be passed into the message
Args:
client_error(ClientError): The ClientError exception that was raised
code(str): The code for the error (e.g. ValidationException)
message_template(str): Error message template. if message_values is not None then this template has a {values}
as placeholder. For example:
'Value provided in ExpressionAttributeValues unused in expressions: keys: {values}'
message_values(list of str|None): The values that are passed in the error message
braces(list of str|None): List of length 2 with opening and closing brace for the values. By default it will be
surrounded by curly brackets
"""
braces = braces or ["{", "}"]
assert client_error.response["Error"]["Code"] == code
if message_values is not None:
values_string = f"{braces[0]}(?P<values>.*){braces[1]}"
re_msg = re.compile(message_template.format(values=values_string))
match_result = re_msg.match(client_error.response["Error"]["Message"])
assert match_result is not None
values_string = match_result.groupdict()["values"]
values = [key for key in values_string.split(", ")]
assert len(message_values) == len(values)
for value in message_values:
assert value in values
else:
assert client_error.response["Error"]["Message"] == message_template
def create_simple_table_and_return_client():
dynamodb = boto3.client("dynamodb", region_name="eu-west-1")
dynamodb.create_table(
TableName="moto-test",
KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "id", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 1, "WriteCapacityUnits": 1},
)
dynamodb.put_item(
TableName="moto-test",
Item={"id": {"S": "1"}, "myNum": {"N": "1"}, "MyStr": {"S": "1"}},
)
return dynamodb
# https://github.com/getmoto/moto/issues/2806
# https://docs.aws.amazon.com/amazondynamodb/latest/APIReference/API_UpdateItem.html
# #DDB-UpdateItem-request-UpdateExpression
@mock_dynamodb
def test_update_item_with_attribute_in_right_hand_side_and_operation():
dynamodb = create_simple_table_and_return_client()
dynamodb.update_item(
TableName="moto-test",
Key={"id": {"S": "1"}},
UpdateExpression="SET myNum = myNum+:val",
ExpressionAttributeValues={":val": {"N": "3"}},
)
result = dynamodb.get_item(TableName="moto-test", Key={"id": {"S": "1"}})
assert result["Item"]["myNum"]["N"] == "4"
dynamodb.update_item(
TableName="moto-test",
Key={"id": {"S": "1"}},
UpdateExpression="SET myNum = myNum - :val",
ExpressionAttributeValues={":val": {"N": "1"}},
)
result = dynamodb.get_item(TableName="moto-test", Key={"id": {"S": "1"}})
assert result["Item"]["myNum"]["N"] == "3"
@mock_dynamodb
def test_non_existing_attribute_should_raise_exception():
"""
Does error message get correctly raised if attribute is referenced but it does not exist for the item.
"""
dynamodb = create_simple_table_and_return_client()
try:
dynamodb.update_item(
TableName="moto-test",
Key={"id": {"S": "1"}},
UpdateExpression="SET MyStr = no_attr + MyStr",
)
assert False, "Validation exception not thrown"
except dynamodb.exceptions.ClientError as e:
assert_correct_client_error(
e,
"ValidationException",
"The provided expression refers to an attribute that does not exist in the item",
)
@mock_dynamodb
def test_update_expression_with_plus_in_attribute_name():
"""
Does error message get correctly raised if attribute contains a plus and is passed in without an AttributeName. And
lhs & rhs are not attribute IDs by themselve.
"""
dynamodb = create_simple_table_and_return_client()
dynamodb.put_item(
TableName="moto-test",
Item={"id": {"S": "1"}, "my+Num": {"S": "1"}, "MyStr": {"S": "aaa"}},
)
try:
dynamodb.update_item(
TableName="moto-test",
Key={"id": {"S": "1"}},
UpdateExpression="SET MyStr = my+Num",
)
assert False, "Validation exception not thrown"
except dynamodb.exceptions.ClientError as e:
assert_correct_client_error(
e,
"ValidationException",
"The provided expression refers to an attribute that does not exist in the item",
)
@mock_dynamodb
def test_update_expression_with_minus_in_attribute_name():
"""
Does error message get correctly raised if attribute contains a minus and is passed in without an AttributeName. And
lhs & rhs are not attribute IDs by themselve.
"""
dynamodb = create_simple_table_and_return_client()
dynamodb.put_item(
TableName="moto-test",
Item={"id": {"S": "1"}, "my-Num": {"S": "1"}, "MyStr": {"S": "aaa"}},
)
try:
dynamodb.update_item(
TableName="moto-test",
Key={"id": {"S": "1"}},
UpdateExpression="SET MyStr = my-Num",
)
assert False, "Validation exception not thrown"
except dynamodb.exceptions.ClientError as e:
assert_correct_client_error(
e,
"ValidationException",
"The provided expression refers to an attribute that does not exist in the item",
)
@mock_dynamodb
def test_update_expression_with_space_in_attribute_name():
"""
Does error message get correctly raised if attribute contains a space and is passed in without an AttributeName. And
lhs & rhs are not attribute IDs by themselves.
"""
dynamodb = create_simple_table_and_return_client()
dynamodb.put_item(
TableName="moto-test",
Item={"id": {"S": "1"}, "my Num": {"S": "1"}, "MyStr": {"S": "aaa"}},
)
try:
dynamodb.update_item(
TableName="moto-test",
Key={"id": {"S": "1"}},
UpdateExpression="SET MyStr = my Num",
)
assert False, "Validation exception not thrown"
except dynamodb.exceptions.ClientError as e:
assert_raise_syntax_error(e, "Num", "my Num")
@mock_dynamodb
def test_summing_up_2_strings_raises_exception():
"""
Update set supports different DynamoDB types but some operations are not supported. For example summing up 2 strings
raises an exception. It results in ClientError with code ValidationException:
Saying An operand in the update expression has an incorrect data type
"""
dynamodb = create_simple_table_and_return_client()
try:
dynamodb.update_item(
TableName="moto-test",
Key={"id": {"S": "1"}},
UpdateExpression="SET MyStr = MyStr + MyStr",
)
assert False, "Validation exception not thrown"
except dynamodb.exceptions.ClientError as e:
assert_correct_client_error(
e,
"ValidationException",
"An operand in the update expression has an incorrect data type",
)
# https://github.com/getmoto/moto/issues/2806
@mock_dynamodb
def test_update_item_with_attribute_in_right_hand_side():
"""
After tokenization and building expression make sure referenced attributes are replaced with their current value
"""
dynamodb = create_simple_table_and_return_client()
# Make sure there are 2 values
dynamodb.put_item(
TableName="moto-test",
Item={"id": {"S": "1"}, "myVal1": {"S": "Value1"}, "myVal2": {"S": "Value2"}},
)
dynamodb.update_item(
TableName="moto-test",
Key={"id": {"S": "1"}},
UpdateExpression="SET myVal1 = myVal2",
)
result = dynamodb.get_item(TableName="moto-test", Key={"id": {"S": "1"}})
assert result["Item"]["myVal1"]["S"] == result["Item"]["myVal2"]["S"] == "Value2"
@mock_dynamodb
def test_multiple_updates():
dynamodb = create_simple_table_and_return_client()
dynamodb.put_item(
TableName="moto-test",
Item={"id": {"S": "1"}, "myNum": {"N": "1"}, "path": {"N": "6"}},
)
dynamodb.update_item(
TableName="moto-test",
Key={"id": {"S": "1"}},
UpdateExpression="SET myNum = #p + :val, newAttr = myNum",
ExpressionAttributeValues={":val": {"N": "1"}},
ExpressionAttributeNames={"#p": "path"},
)
result = dynamodb.get_item(TableName="moto-test", Key={"id": {"S": "1"}})["Item"]
expected_result = {
"myNum": {"N": "7"},
"newAttr": {"N": "1"},
"path": {"N": "6"},
"id": {"S": "1"},
}
assert result == expected_result
@mock_dynamodb
def test_update_item_atomic_counter():
table = "table_t"
ddb_mock = boto3.client("dynamodb", region_name="eu-west-3")
ddb_mock.create_table(
TableName=table,
KeySchema=[{"AttributeName": "t_id", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "t_id", "AttributeType": "S"}],
BillingMode="PAY_PER_REQUEST",
)
key = {"t_id": {"S": "item1"}}
ddb_mock.put_item(
TableName=table,
Item={"t_id": {"S": "item1"}, "n_i": {"N": "5"}, "n_f": {"N": "5.3"}},
)
ddb_mock.update_item(
TableName=table,
Key=key,
UpdateExpression="set n_i = n_i + :inc1, n_f = n_f + :inc2",
ExpressionAttributeValues={":inc1": {"N": "1.2"}, ":inc2": {"N": "0.05"}},
)
updated_item = ddb_mock.get_item(TableName=table, Key=key)["Item"]
updated_item["n_i"]["N"].should.equal("6.2")
updated_item["n_f"]["N"].should.equal("5.35")
@mock_dynamodb
def test_update_item_atomic_counter_return_values():
table = "table_t"
ddb_mock = boto3.client("dynamodb", region_name="eu-west-3")
ddb_mock.create_table(
TableName=table,
KeySchema=[{"AttributeName": "t_id", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "t_id", "AttributeType": "S"}],
BillingMode="PAY_PER_REQUEST",
)
key = {"t_id": {"S": "item1"}}
ddb_mock.put_item(TableName=table, Item={"t_id": {"S": "item1"}, "v": {"N": "5"}})
response = ddb_mock.update_item(
TableName=table,
Key=key,
UpdateExpression="set v = v + :inc",
ExpressionAttributeValues={":inc": {"N": "1"}},
ReturnValues="UPDATED_OLD",
)
assert (
"v" in response["Attributes"]
), "v has been updated, and should be returned here"
response["Attributes"]["v"]["N"].should.equal("5")
# second update
response = ddb_mock.update_item(
TableName=table,
Key=key,
UpdateExpression="set v = v + :inc",
ExpressionAttributeValues={":inc": {"N": "1"}},
ReturnValues="UPDATED_OLD",
)
assert (
"v" in response["Attributes"]
), "v has been updated, and should be returned here"
response["Attributes"]["v"]["N"].should.equal("6")
# third update
response = ddb_mock.update_item(
TableName=table,
Key=key,
UpdateExpression="set v = v + :inc",
ExpressionAttributeValues={":inc": {"N": "1"}},
ReturnValues="UPDATED_NEW",
)
assert (
"v" in response["Attributes"]
), "v has been updated, and should be returned here"
response["Attributes"]["v"]["N"].should.equal("8")
@mock_dynamodb
def test_update_item_atomic_counter_from_zero():
table = "table_t"
ddb_mock = boto3.client("dynamodb", region_name="eu-west-1")
ddb_mock.create_table(
TableName=table,
KeySchema=[{"AttributeName": "t_id", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "t_id", "AttributeType": "S"}],
BillingMode="PAY_PER_REQUEST",
)
key = {"t_id": {"S": "item1"}}
ddb_mock.put_item(TableName=table, Item=key)
ddb_mock.update_item(
TableName=table,
Key=key,
UpdateExpression="add n_i :inc1, n_f :inc2",
ExpressionAttributeValues={":inc1": {"N": "1.2"}, ":inc2": {"N": "-0.5"}},
)
updated_item = ddb_mock.get_item(TableName=table, Key=key)["Item"]
assert updated_item["n_i"]["N"] == "1.2"
assert updated_item["n_f"]["N"] == "-0.5"
@mock_dynamodb
def test_update_item_add_to_non_existent_set():
table = "table_t"
ddb_mock = boto3.client("dynamodb", region_name="eu-west-1")
ddb_mock.create_table(
TableName=table,
KeySchema=[{"AttributeName": "t_id", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "t_id", "AttributeType": "S"}],
BillingMode="PAY_PER_REQUEST",
)
key = {"t_id": {"S": "item1"}}
ddb_mock.put_item(TableName=table, Item=key)
ddb_mock.update_item(
TableName=table,
Key=key,
UpdateExpression="add s_i :s1",
ExpressionAttributeValues={":s1": {"SS": ["hello"]}},
)
updated_item = ddb_mock.get_item(TableName=table, Key=key)["Item"]
assert updated_item["s_i"]["SS"] == ["hello"]
@mock_dynamodb
def test_update_item_add_to_non_existent_number_set():
table = "table_t"
ddb_mock = boto3.client("dynamodb", region_name="eu-west-1")
ddb_mock.create_table(
TableName=table,
KeySchema=[{"AttributeName": "t_id", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "t_id", "AttributeType": "S"}],
BillingMode="PAY_PER_REQUEST",
)
key = {"t_id": {"S": "item1"}}
ddb_mock.put_item(TableName=table, Item=key)
ddb_mock.update_item(
TableName=table,
Key=key,
UpdateExpression="add s_i :s1",
ExpressionAttributeValues={":s1": {"NS": ["3"]}},
)
updated_item = ddb_mock.get_item(TableName=table, Key=key)["Item"]
assert updated_item["s_i"]["NS"] == ["3"]
@mock_dynamodb
def test_transact_write_items_fails_with_transaction_canceled_exception():
table_schema = {
"KeySchema": [{"AttributeName": "id", "KeyType": "HASH"}],
"AttributeDefinitions": [{"AttributeName": "id", "AttributeType": "S"}],
}
dynamodb = boto3.client("dynamodb", region_name="us-east-1")
dynamodb.create_table(
TableName="test-table", BillingMode="PAY_PER_REQUEST", **table_schema
)
# Insert one item
dynamodb.put_item(TableName="test-table", Item={"id": {"S": "foo"}})
# Update two items, the one that exists and another that doesn't
with pytest.raises(ClientError) as ex:
dynamodb.transact_write_items(
TransactItems=[
{
"Update": {
"Key": {"id": {"S": "foo"}},
"TableName": "test-table",
"UpdateExpression": "SET #k = :v",
"ConditionExpression": "attribute_exists(id)",
"ExpressionAttributeNames": {"#k": "key"},
"ExpressionAttributeValues": {":v": {"S": "value"}},
}
},
{
"Update": {
"Key": {"id": {"S": "doesnotexist"}},
"TableName": "test-table",
"UpdateExpression": "SET #e = :v",
"ConditionExpression": "attribute_exists(id)",
"ExpressionAttributeNames": {"#e": "key"},
"ExpressionAttributeValues": {":v": {"S": "value"}},
}
},
]
)
ex.value.response["Error"]["Code"].should.equal("TransactionCanceledException")
ex.value.response["ResponseMetadata"]["HTTPStatusCode"].should.equal(400)
ex.value.response["Error"]["Message"].should.equal(
"Transaction cancelled, please refer cancellation reasons for specific reasons [None, ConditionalCheckFailed]"
)
@mock_dynamodb
def test_gsi_projection_type_keys_only():
table_schema = {
"KeySchema": [{"AttributeName": "partitionKey", "KeyType": "HASH"}],
"GlobalSecondaryIndexes": [
{
"IndexName": "GSI-K1",
"KeySchema": [
{"AttributeName": "gsiK1PartitionKey", "KeyType": "HASH"},
{"AttributeName": "gsiK1SortKey", "KeyType": "RANGE"},
],
"Projection": {"ProjectionType": "KEYS_ONLY"},
}
],
"AttributeDefinitions": [
{"AttributeName": "partitionKey", "AttributeType": "S"},
{"AttributeName": "gsiK1PartitionKey", "AttributeType": "S"},
{"AttributeName": "gsiK1SortKey", "AttributeType": "S"},
],
}
item = {
"partitionKey": "pk-1",
"gsiK1PartitionKey": "gsi-pk",
"gsiK1SortKey": "gsi-sk",
"someAttribute": "lore ipsum",
}
dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
dynamodb.create_table(
TableName="test-table", BillingMode="PAY_PER_REQUEST", **table_schema
)
table = dynamodb.Table("test-table")
table.put_item(Item=item)
items = table.query(
KeyConditionExpression=Key("gsiK1PartitionKey").eq("gsi-pk"), IndexName="GSI-K1"
)["Items"]
items.should.have.length_of(1)
# Item should only include GSI Keys and Table Keys, as per the ProjectionType
items[0].should.equal(
{
"gsiK1PartitionKey": "gsi-pk",
"gsiK1SortKey": "gsi-sk",
"partitionKey": "pk-1",
}
)
@mock_dynamodb
def test_gsi_projection_type_include():
table_schema = {
"KeySchema": [{"AttributeName": "partitionKey", "KeyType": "HASH"}],
"GlobalSecondaryIndexes": [
{
"IndexName": "GSI-INC",
"KeySchema": [
{"AttributeName": "gsiK1PartitionKey", "KeyType": "HASH"},
{"AttributeName": "gsiK1SortKey", "KeyType": "RANGE"},
],
"Projection": {
"ProjectionType": "INCLUDE",
"NonKeyAttributes": ["projectedAttribute"],
},
}
],
"AttributeDefinitions": [
{"AttributeName": "partitionKey", "AttributeType": "S"},
{"AttributeName": "gsiK1PartitionKey", "AttributeType": "S"},
{"AttributeName": "gsiK1SortKey", "AttributeType": "S"},
],
}
item = {
"partitionKey": "pk-1",
"gsiK1PartitionKey": "gsi-pk",
"gsiK1SortKey": "gsi-sk",
"projectedAttribute": "lore ipsum",
"nonProjectedAttribute": "dolor sit amet",
}
dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
dynamodb.create_table(
TableName="test-table", BillingMode="PAY_PER_REQUEST", **table_schema
)
table = dynamodb.Table("test-table")
table.put_item(Item=item)
items = table.query(
KeyConditionExpression=Key("gsiK1PartitionKey").eq("gsi-pk"),
IndexName="GSI-INC",
)["Items"]
items.should.have.length_of(1)
# Item should only include keys and additionally projected attributes only
items[0].should.equal(
{
"gsiK1PartitionKey": "gsi-pk",
"gsiK1SortKey": "gsi-sk",
"partitionKey": "pk-1",
"projectedAttribute": "lore ipsum",
}
)
# Same when scanning the table
items = table.scan(IndexName="GSI-INC")["Items"]
items[0].should.equal(
{
"gsiK1PartitionKey": "gsi-pk",
"gsiK1SortKey": "gsi-sk",
"partitionKey": "pk-1",
"projectedAttribute": "lore ipsum",
}
)
@mock_dynamodb
def test_lsi_projection_type_keys_only():
table_schema = {
"KeySchema": [
{"AttributeName": "partitionKey", "KeyType": "HASH"},
{"AttributeName": "sortKey", "KeyType": "RANGE"},
],
"LocalSecondaryIndexes": [
{
"IndexName": "LSI",
"KeySchema": [
{"AttributeName": "partitionKey", "KeyType": "HASH"},
{"AttributeName": "lsiK1SortKey", "KeyType": "RANGE"},
],
"Projection": {"ProjectionType": "KEYS_ONLY"},
}
],
"AttributeDefinitions": [
{"AttributeName": "partitionKey", "AttributeType": "S"},
{"AttributeName": "sortKey", "AttributeType": "S"},
{"AttributeName": "lsiK1SortKey", "AttributeType": "S"},
],
}
item = {
"partitionKey": "pk-1",
"sortKey": "sk-1",
"lsiK1SortKey": "lsi-sk",
"someAttribute": "lore ipsum",
}
dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
dynamodb.create_table(
TableName="test-table", BillingMode="PAY_PER_REQUEST", **table_schema
)
table = dynamodb.Table("test-table")
table.put_item(Item=item)
items = table.query(
KeyConditionExpression=Key("partitionKey").eq("pk-1"), IndexName="LSI"
)["Items"]
items.should.have.length_of(1)
# Item should only include GSI Keys and Table Keys, as per the ProjectionType
items[0].should.equal(
{"partitionKey": "pk-1", "sortKey": "sk-1", "lsiK1SortKey": "lsi-sk"}
)
# Same when scanning the table
items = table.scan(IndexName="LSI")["Items"]
items[0].should.equal(
{"lsiK1SortKey": "lsi-sk", "partitionKey": "pk-1", "sortKey": "sk-1"}
)
@mock_dynamodb
@pytest.mark.parametrize(
"attr_name",
["orders", "#placeholder"],
ids=["use attribute name", "use expression attribute name"],
)
def test_set_attribute_is_dropped_if_empty_after_update_expression(attr_name):
table_name, item_key, set_item = "test-table", "test-id", "test-data"
expression_attribute_names = {"#placeholder": "orders"}
client = boto3.client("dynamodb", region_name="us-east-1")
client.create_table(
TableName=table_name,
KeySchema=[{"AttributeName": "customer", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "customer", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
client.update_item(
TableName=table_name,
Key={"customer": {"S": item_key}},
UpdateExpression=f"ADD {attr_name} :order",
ExpressionAttributeNames=expression_attribute_names,
ExpressionAttributeValues={":order": {"SS": [set_item]}},
)
resp = client.scan(TableName=table_name, ProjectionExpression="customer, orders")
item = resp["Items"][0]
item.should.have.key("customer")
item.should.have.key("orders")
client.update_item(
TableName=table_name,
Key={"customer": {"S": item_key}},
UpdateExpression=f"DELETE {attr_name} :order",
ExpressionAttributeNames=expression_attribute_names,
ExpressionAttributeValues={":order": {"SS": [set_item]}},
)
resp = client.scan(TableName=table_name, ProjectionExpression="customer, orders")
item = resp["Items"][0]
item.should.have.key("customer")
item.should_not.have.key("orders")
@mock_dynamodb
def test_transact_get_items_should_return_empty_map_for_non_existent_item():
client = boto3.client("dynamodb", region_name="us-west-2")
table_name = "test-table"
key_schema = [{"AttributeName": "id", "KeyType": "HASH"}]
attribute_definitions = [{"AttributeName": "id", "AttributeType": "S"}]
client.create_table(
TableName=table_name,
KeySchema=key_schema,
AttributeDefinitions=attribute_definitions,
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
item = {"id": {"S": "1"}}
client.put_item(TableName=table_name, Item=item)
items = client.transact_get_items(
TransactItems=[
{"Get": {"Key": {"id": {"S": "1"}}, "TableName": table_name}},
{"Get": {"Key": {"id": {"S": "2"}}, "TableName": table_name}},
]
).get("Responses", [])
items.should.have.length_of(2)
items[0].should.equal({"Item": item})
items[1].should.equal({})
@mock_dynamodb
def test_dynamodb_update_item_fails_on_string_sets():
dynamodb = boto3.resource("dynamodb", region_name="eu-west-1")
client = boto3.client("dynamodb", region_name="eu-west-1")
table = dynamodb.create_table(
TableName="test",
KeySchema=[{"AttributeName": "record_id", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "record_id", "AttributeType": "S"}],
BillingMode="PAY_PER_REQUEST",
)
table.meta.client.get_waiter("table_exists").wait(TableName="test")
attribute = {"test_field": {"Value": {"SS": ["test1", "test2"]}, "Action": "PUT"}}
client.update_item(
TableName="test",
Key={"record_id": {"S": "testrecord"}},
AttributeUpdates=attribute,
)
@mock_dynamodb
def test_update_item_add_to_list_using_legacy_attribute_updates():
resource = boto3.resource("dynamodb", region_name="us-west-2")
resource.create_table(
AttributeDefinitions=[{"AttributeName": "id", "AttributeType": "S"}],
TableName="TestTable",
KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
table = resource.Table("TestTable")
table.wait_until_exists()
table.put_item(Item={"id": "list_add", "attr": ["a", "b", "c"]})
table.update_item(
TableName="TestTable",
Key={"id": "list_add"},
AttributeUpdates={"attr": {"Action": "ADD", "Value": ["d", "e"]}},
)
resp = table.get_item(Key={"id": "list_add"})
resp["Item"]["attr"].should.equal(["a", "b", "c", "d", "e"])
@mock_dynamodb
def test_update_item_add_to_num_set_using_legacy_attribute_updates():
resource = boto3.resource("dynamodb", region_name="us-west-2")
resource.create_table(
AttributeDefinitions=[{"AttributeName": "id", "AttributeType": "S"}],
TableName="TestTable",
KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
table = resource.Table("TestTable")
table.wait_until_exists()
table.put_item(Item={"id": "set_add", "attr": {1, 2}})
table.update_item(
TableName="TestTable",
Key={"id": "set_add"},
AttributeUpdates={"attr": {"Action": "PUT", "Value": {1, 2, 3}}},
)
table.update_item(
TableName="TestTable",
Key={"id": "set_add"},
AttributeUpdates={"attr": {"Action": "ADD", "Value": {4, 5}}},
)
resp = table.get_item(Key={"id": "set_add"})
resp["Item"]["attr"].should.equal({1, 2, 3, 4, 5})
table.update_item(
TableName="TestTable",
Key={"id": "set_add"},
AttributeUpdates={"attr": {"Action": "DELETE", "Value": {2, 3}}},
)
resp = table.get_item(Key={"id": "set_add"})
resp["Item"]["attr"].should.equal({1, 4, 5})
@mock_dynamodb
def test_get_item_for_non_existent_table_raises_error():
client = boto3.client("dynamodb", "us-east-1")
with pytest.raises(ClientError) as ex:
client.get_item(TableName="non-existent", Key={"site-id": {"S": "foo"}})
ex.value.response["Error"]["Code"].should.equal("ResourceNotFoundException")
ex.value.response["Error"]["Message"].should.equal("Requested resource not found")
@mock_dynamodb
def test_error_when_providing_expression_and_nonexpression_params():
client = boto3.client("dynamodb", "eu-central-1")
table_name = "testtable"
client.create_table(
TableName=table_name,
KeySchema=[{"AttributeName": "pkey", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "pkey", "AttributeType": "S"}],
BillingMode="PAY_PER_REQUEST",
)
with pytest.raises(ClientError) as ex:
client.update_item(
TableName=table_name,
Key={"pkey": {"S": "testrecord"}},
AttributeUpdates={
"test_field": {"Value": {"SS": ["test1", "test2"]}, "Action": "PUT"}
},
UpdateExpression="DELETE orders :order",
ExpressionAttributeValues={":order": {"SS": ["item"]}},
)
err = ex.value.response["Error"]
err["Code"].should.equal("ValidationException")
err["Message"].should.equal(
"Can not use both expression and non-expression parameters in the same request: Non-expression parameters: {AttributeUpdates} Expression parameters: {UpdateExpression}"
)
@mock_dynamodb
def test_attribute_item_delete():
name = "TestTable"
conn = boto3.client("dynamodb", region_name="eu-west-1")
conn.create_table(
TableName=name,
AttributeDefinitions=[{"AttributeName": "name", "AttributeType": "S"}],
KeySchema=[{"AttributeName": "name", "KeyType": "HASH"}],
BillingMode="PAY_PER_REQUEST",
)
item_name = "foo"
conn.put_item(
TableName=name, Item={"name": {"S": item_name}, "extra": {"S": "bar"}}
)
conn.update_item(
TableName=name,
Key={"name": {"S": item_name}},
AttributeUpdates={"extra": {"Action": "DELETE"}},
)
items = conn.scan(TableName=name)["Items"]
items.should.equal([{"name": {"S": "foo"}}])
@mock_dynamodb
def test_gsi_key_can_be_updated():
name = "TestTable"
conn = boto3.client("dynamodb", region_name="eu-west-2")
conn.create_table(
TableName=name,
KeySchema=[{"AttributeName": "main_key", "KeyType": "HASH"}],
AttributeDefinitions=[
{"AttributeName": "main_key", "AttributeType": "S"},
{"AttributeName": "index_key", "AttributeType": "S"},
],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
GlobalSecondaryIndexes=[
{
"IndexName": "test_index",
"KeySchema": [{"AttributeName": "index_key", "KeyType": "HASH"}],
"Projection": {"ProjectionType": "ALL"},
"ProvisionedThroughput": {
"ReadCapacityUnits": 1,
"WriteCapacityUnits": 1,
},
}
],
)
conn.put_item(
TableName=name,
Item={
"main_key": {"S": "testkey1"},
"extra_data": {"S": "testdata"},
"index_key": {"S": "indexkey1"},
},
)
conn.update_item(
TableName=name,
Key={"main_key": {"S": "testkey1"}},
UpdateExpression="set index_key=:new_index_key",
ExpressionAttributeValues={":new_index_key": {"S": "new_value"}},
)
item = conn.scan(TableName=name)["Items"][0]
item["index_key"].should.equal({"S": "new_value"})
item["main_key"].should.equal({"S": "testkey1"})
@mock_dynamodb
def test_gsi_key_cannot_be_empty():
name = "TestTable"
conn = boto3.client("dynamodb", region_name="eu-west-2")
conn.create_table(
TableName=name,
KeySchema=[{"AttributeName": "main_key", "KeyType": "HASH"}],
AttributeDefinitions=[
{"AttributeName": "main_key", "AttributeType": "S"},
{"AttributeName": "index_key", "AttributeType": "S"},
],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
GlobalSecondaryIndexes=[
{
"IndexName": "test_index",
"KeySchema": [{"AttributeName": "index_key", "KeyType": "HASH"}],
"Projection": {"ProjectionType": "ALL"},
"ProvisionedThroughput": {
"ReadCapacityUnits": 1,
"WriteCapacityUnits": 1,
},
}
],
)
conn.put_item(
TableName=name,
Item={
"main_key": {"S": "testkey1"},
"extra_data": {"S": "testdata"},
"index_key": {"S": "indexkey1"},
},
)
with pytest.raises(ClientError) as ex:
conn.update_item(
TableName=name,
Key={"main_key": {"S": "testkey1"}},
UpdateExpression="set index_key=:new_index_key",
ExpressionAttributeValues={":new_index_key": {"S": ""}},
)
err = ex.value.response["Error"]
err["Code"].should.equal("ValidationException")
err["Message"].should.equal(
"One or more parameter values are not valid. The update expression attempted to update a secondary index key to a value that is not supported. The AttributeValue for a key attribute cannot contain an empty string value."
)
@mock_dynamodb
def test_create_backup_for_non_existent_table_raises_error():
client = boto3.client("dynamodb", "us-east-1")
with pytest.raises(ClientError) as ex:
client.create_backup(TableName="non-existent", BackupName="backup")
error = ex.value.response["Error"]
error["Code"].should.equal("TableNotFoundException")
error["Message"].should.equal("Table not found: non-existent")
@mock_dynamodb
def test_create_backup():
client = boto3.client("dynamodb", "us-east-1")
table_name = "test-table"
client.create_table(
TableName=table_name,
KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "id", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
backup_name = "backup-test-table"
resp = client.create_backup(TableName=table_name, BackupName=backup_name)
details = resp.get("BackupDetails")
details.should.have.key("BackupArn").should.contain(table_name)
details.should.have.key("BackupName").should.equal(backup_name)
details.should.have.key("BackupSizeBytes").should.be.a(int)
details.should.have.key("BackupStatus")
details.should.have.key("BackupType").should.equal("USER")
details.should.have.key("BackupCreationDateTime").should.be.a(datetime)
@mock_dynamodb
def test_create_multiple_backups_with_same_name():
client = boto3.client("dynamodb", "us-east-1")
table_name = "test-table"
client.create_table(
TableName=table_name,
KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "id", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
backup_name = "backup-test-table"
backup_arns = []
for _ in range(4):
backup = client.create_backup(TableName=table_name, BackupName=backup_name).get(
"BackupDetails"
)
backup["BackupName"].should.equal(backup_name)
backup_arns.should_not.contain(backup["BackupArn"])
backup_arns.append(backup["BackupArn"])
@mock_dynamodb
def test_describe_backup_for_non_existent_backup_raises_error():
client = boto3.client("dynamodb", "us-east-1")
non_existent_arn = "arn:aws:dynamodb:us-east-1:123456789012:table/table-name/backup/01623095754481-2cfcd6f9"
with pytest.raises(ClientError) as ex:
client.describe_backup(BackupArn=non_existent_arn)
error = ex.value.response["Error"]
error["Code"].should.equal("BackupNotFoundException")
error["Message"].should.equal(f"Backup not found: {non_existent_arn}")
@mock_dynamodb
def test_describe_backup():
client = boto3.client("dynamodb", "us-east-1")
table_name = "test-table"
table = client.create_table(
TableName=table_name,
KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "id", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
).get("TableDescription")
backup_name = "backup-test-table"
backup_arn = (
client.create_backup(TableName=table_name, BackupName=backup_name)
.get("BackupDetails")
.get("BackupArn")
)
resp = client.describe_backup(BackupArn=backup_arn)
description = resp.get("BackupDescription")
details = description.get("BackupDetails")
details.should.have.key("BackupArn").should.contain(table_name)
details.should.have.key("BackupName").should.equal(backup_name)
details.should.have.key("BackupSizeBytes").should.be.a(int)
details.should.have.key("BackupStatus")
details.should.have.key("BackupType").should.equal("USER")
details.should.have.key("BackupCreationDateTime").should.be.a(datetime)
source = description.get("SourceTableDetails")
source.should.have.key("TableName").should.equal(table_name)
source.should.have.key("TableArn").should.equal(table["TableArn"])
source.should.have.key("TableSizeBytes").should.be.a(int)
source.should.have.key("KeySchema").should.equal(table["KeySchema"])
source.should.have.key("TableCreationDateTime").should.equal(
table["CreationDateTime"]
)
source.should.have.key("ProvisionedThroughput").should.be.a(dict)
source.should.have.key("ItemCount").should.equal(table["ItemCount"])
@mock_dynamodb
def test_list_backups_for_non_existent_table():
client = boto3.client("dynamodb", "us-east-1")
resp = client.list_backups(TableName="non-existent")
resp["BackupSummaries"].should.have.length_of(0)
@mock_dynamodb
def test_list_backups():
client = boto3.client("dynamodb", "us-east-1")
table_names = ["test-table-1", "test-table-2"]
backup_names = ["backup-1", "backup-2"]
for table_name in table_names:
client.create_table(
TableName=table_name,
KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "id", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
for backup_name in backup_names:
client.create_backup(TableName=table_name, BackupName=backup_name)
resp = client.list_backups(BackupType="USER")
resp["BackupSummaries"].should.have.length_of(4)
for table_name in table_names:
resp = client.list_backups(TableName=table_name)
resp["BackupSummaries"].should.have.length_of(2)
for summary in resp["BackupSummaries"]:
summary.should.have.key("TableName").should.equal(table_name)
summary.should.have.key("TableArn").should.contain(table_name)
summary.should.have.key("BackupName").should.be.within(backup_names)
summary.should.have.key("BackupArn")
summary.should.have.key("BackupCreationDateTime").should.be.a(datetime)
summary.should.have.key("BackupStatus")
summary.should.have.key("BackupType").should.be.within(["USER", "SYSTEM"])
summary.should.have.key("BackupSizeBytes").should.be.a(int)
@mock_dynamodb
def test_restore_table_from_non_existent_backup_raises_error():
client = boto3.client("dynamodb", "us-east-1")
non_existent_arn = "arn:aws:dynamodb:us-east-1:123456789012:table/table-name/backup/01623095754481-2cfcd6f9"
with pytest.raises(ClientError) as ex:
client.restore_table_from_backup(
TargetTableName="from-backup", BackupArn=non_existent_arn
)
error = ex.value.response["Error"]
error["Code"].should.equal("BackupNotFoundException")
error["Message"].should.equal(f"Backup not found: {non_existent_arn}")
@mock_dynamodb
def test_restore_table_from_backup_raises_error_when_table_already_exists():
client = boto3.client("dynamodb", "us-east-1")
table_name = "test-table"
client.create_table(
TableName=table_name,
KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "id", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
resp = client.create_backup(TableName=table_name, BackupName="backup")
backup = resp.get("BackupDetails")
with pytest.raises(ClientError) as ex:
client.restore_table_from_backup(
TargetTableName=table_name, BackupArn=backup["BackupArn"]
)
error = ex.value.response["Error"]
error["Code"].should.equal("TableAlreadyExistsException")
error["Message"].should.equal(f"Table already exists: {table_name}")
@mock_dynamodb
def test_restore_table_from_backup():
client = boto3.client("dynamodb", "us-east-1")
table_name = "test-table"
resp = client.create_table(
TableName=table_name,
KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "id", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
table = resp.get("TableDescription")
for i in range(5):
client.put_item(TableName=table_name, Item={"id": {"S": f"item {i}"}})
backup_arn = (
client.create_backup(TableName=table_name, BackupName="backup")
.get("BackupDetails")
.get("BackupArn")
)
restored_table_name = "restored-from-backup"
restored = client.restore_table_from_backup(
TargetTableName=restored_table_name, BackupArn=backup_arn
).get("TableDescription")
restored.should.have.key("AttributeDefinitions").should.equal(
table["AttributeDefinitions"]
)
restored.should.have.key("TableName").should.equal(restored_table_name)
restored.should.have.key("KeySchema").should.equal(table["KeySchema"])
restored.should.have.key("TableStatus")
restored.should.have.key("ItemCount").should.equal(5)
restored.should.have.key("TableArn").should.contain(restored_table_name)
restored.should.have.key("RestoreSummary").should.be.a(dict)
summary = restored.get("RestoreSummary")
summary.should.have.key("SourceBackupArn").should.equal(backup_arn)
summary.should.have.key("SourceTableArn").should.equal(table["TableArn"])
summary.should.have.key("RestoreDateTime").should.be.a(datetime)
summary.should.have.key("RestoreInProgress").should.equal(False)
@mock_dynamodb
def test_restore_table_to_point_in_time():
client = boto3.client("dynamodb", "us-east-1")
table_name = "test-table"
resp = client.create_table(
TableName=table_name,
KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "id", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
table = resp.get("TableDescription")
for i in range(5):
client.put_item(TableName=table_name, Item={"id": {"S": f"item {i}"}})
restored_table_name = "restored-from-pit"
restored = client.restore_table_to_point_in_time(
TargetTableName=restored_table_name, SourceTableName=table_name
).get("TableDescription")
restored.should.have.key("TableName").should.equal(restored_table_name)
restored.should.have.key("KeySchema").should.equal(table["KeySchema"])
restored.should.have.key("TableStatus")
restored.should.have.key("ItemCount").should.equal(5)
restored.should.have.key("TableArn").should.contain(restored_table_name)
restored.should.have.key("RestoreSummary").should.be.a(dict)
summary = restored.get("RestoreSummary")
summary.should.have.key("SourceTableArn").should.equal(table["TableArn"])
summary.should.have.key("RestoreDateTime").should.be.a(datetime)
summary.should.have.key("RestoreInProgress").should.equal(False)
@mock_dynamodb
def test_restore_table_to_point_in_time_raises_error_when_source_not_exist():
client = boto3.client("dynamodb", "us-east-1")
table_name = "test-table"
restored_table_name = "restored-from-pit"
with pytest.raises(ClientError) as ex:
client.restore_table_to_point_in_time(
TargetTableName=restored_table_name, SourceTableName=table_name
)
error = ex.value.response["Error"]
error["Code"].should.equal("SourceTableNotFoundException")
error["Message"].should.equal(f"Source table not found: {table_name}")
@mock_dynamodb
def test_restore_table_to_point_in_time_raises_error_when_dest_exist():
client = boto3.client("dynamodb", "us-east-1")
table_name = "test-table"
restored_table_name = "restored-from-pit"
client.create_table(
TableName=table_name,
KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "id", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
client.create_table(
TableName=restored_table_name,
KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "id", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
with pytest.raises(ClientError) as ex:
client.restore_table_to_point_in_time(
TargetTableName=restored_table_name, SourceTableName=table_name
)
error = ex.value.response["Error"]
error["Code"].should.equal("TableAlreadyExistsException")
error["Message"].should.equal(f"Table already exists: {restored_table_name}")
@mock_dynamodb
def test_delete_non_existent_backup_raises_error():
client = boto3.client("dynamodb", "us-east-1")
non_existent_arn = "arn:aws:dynamodb:us-east-1:123456789012:table/table-name/backup/01623095754481-2cfcd6f9"
with pytest.raises(ClientError) as ex:
client.delete_backup(BackupArn=non_existent_arn)
error = ex.value.response["Error"]
error["Code"].should.equal("BackupNotFoundException")
error["Message"].should.equal(f"Backup not found: {non_existent_arn}")
@mock_dynamodb
def test_delete_backup():
client = boto3.client("dynamodb", "us-east-1")
table_name = "test-table-1"
backup_names = ["backup-1", "backup-2"]
client.create_table(
TableName=table_name,
KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "id", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
for backup_name in backup_names:
client.create_backup(TableName=table_name, BackupName=backup_name)
resp = client.list_backups(TableName=table_name, BackupType="USER")
resp["BackupSummaries"].should.have.length_of(2)
backup_to_delete = resp["BackupSummaries"][0]["BackupArn"]
backup_deleted = client.delete_backup(BackupArn=backup_to_delete).get(
"BackupDescription"
)
backup_deleted.should.have.key("SourceTableDetails")
backup_deleted.should.have.key("BackupDetails")
details = backup_deleted["BackupDetails"]
details.should.have.key("BackupArn").should.equal(backup_to_delete)
details.should.have.key("BackupName").should.be.within(backup_names)
details.should.have.key("BackupStatus").should.equal("DELETED")
resp = client.list_backups(TableName=table_name, BackupType="USER")
resp["BackupSummaries"].should.have.length_of(1)
@mock_dynamodb
def test_source_and_restored_table_items_are_not_linked():
client = boto3.client("dynamodb", "us-east-1")
def add_guids_to_table(table, num_items):
guids = []
for _ in range(num_items):
guid = str(uuid.uuid4())
client.put_item(TableName=table, Item={"id": {"S": guid}})
guids.append(guid)
return guids
source_table_name = "source-table"
client.create_table(
TableName=source_table_name,
KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "id", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
guids_original = add_guids_to_table(source_table_name, 5)
backup_arn = (
client.create_backup(TableName=source_table_name, BackupName="backup")
.get("BackupDetails")
.get("BackupArn")
)
guids_added_after_backup = add_guids_to_table(source_table_name, 5)
restored_table_name = "restored-from-backup"
client.restore_table_from_backup(
TargetTableName=restored_table_name, BackupArn=backup_arn
)
guids_added_after_restore = add_guids_to_table(restored_table_name, 5)
source_table_items = client.scan(TableName=source_table_name)
source_table_items.should.have.key("Count").should.equal(10)
source_table_guids = [x["id"]["S"] for x in source_table_items["Items"]]
set(source_table_guids).should.equal(
set(guids_original) | set(guids_added_after_backup)
)
restored_table_items = client.scan(TableName=restored_table_name)
restored_table_items.should.have.key("Count").should.equal(10)
restored_table_guids = [x["id"]["S"] for x in restored_table_items["Items"]]
set(restored_table_guids).should.equal(
set(guids_original) | set(guids_added_after_restore)
)
@mock_dynamodb
@pytest.mark.parametrize("region", ["eu-central-1", "ap-south-1"])
def test_describe_endpoints(region):
client = boto3.client("dynamodb", region)
res = client.describe_endpoints()["Endpoints"]
res.should.equal(
[
{
"Address": f"dynamodb.{region}.amazonaws.com",
"CachePeriodInMinutes": 1440,
},
]
)
@mock_dynamodb
def test_update_non_existing_item_raises_error_and_does_not_contain_item_afterwards():
"""
https://github.com/getmoto/moto/issues/3729
Exception is raised, but item was persisted anyway
Happened because we would create a placeholder, before validating/executing the UpdateExpression
:return:
"""
name = "TestTable"
conn = boto3.client("dynamodb", region_name="us-west-2")
hkey = "primary_partition_key"
conn.create_table(
TableName=name,
KeySchema=[{"AttributeName": hkey, "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": hkey, "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
update_expression = {
"Key": {hkey: "some_identification_string"},
"UpdateExpression": "set #AA.#AB = :aa",
"ExpressionAttributeValues": {":aa": "abc"},
"ExpressionAttributeNames": {"#AA": "some_dict", "#AB": "key1"},
"ConditionExpression": "attribute_not_exists(#AA.#AB)",
}
table = boto3.resource("dynamodb", region_name="us-west-2").Table(name)
with pytest.raises(ClientError) as err:
table.update_item(**update_expression)
err.value.response["Error"]["Code"].should.equal("ValidationException")
conn.scan(TableName=name)["Items"].should.have.length_of(0)
@mock_dynamodb
def test_batch_write_item():
conn = boto3.resource("dynamodb", region_name="us-west-2")
tables = [f"table-{i}" for i in range(3)]
for name in tables:
conn.create_table(
TableName=name,
KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "id", "AttributeType": "S"}],
BillingMode="PAY_PER_REQUEST",
)
conn.batch_write_item(
RequestItems={
tables[0]: [{"PutRequest": {"Item": {"id": "0"}}}],
tables[1]: [{"PutRequest": {"Item": {"id": "1"}}}],
tables[2]: [{"PutRequest": {"Item": {"id": "2"}}}],
}
)
for idx, name in enumerate(tables):
table = conn.Table(f"table-{idx}")
res = table.get_item(Key={"id": str(idx)})
assert res["Item"].should.equal({"id": str(idx)})
scan = table.scan()
assert scan["Count"].should.equal(1)
conn.batch_write_item(
RequestItems={
tables[0]: [{"DeleteRequest": {"Key": {"id": "0"}}}],
tables[1]: [{"DeleteRequest": {"Key": {"id": "1"}}}],
tables[2]: [{"DeleteRequest": {"Key": {"id": "2"}}}],
}
)
for idx, name in enumerate(tables):
table = conn.Table(f"table-{idx}")
scan = table.scan()
assert scan["Count"].should.equal(0)
@mock_dynamodb
def test_gsi_lastevaluatedkey():
# github.com/getmoto/moto/issues/3968
conn = boto3.resource("dynamodb", region_name="us-west-2")
name = "test-table"
table = conn.Table(name)
conn.create_table(
TableName=name,
KeySchema=[{"AttributeName": "main_key", "KeyType": "HASH"}],
AttributeDefinitions=[
{"AttributeName": "main_key", "AttributeType": "S"},
{"AttributeName": "index_key", "AttributeType": "S"},
],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
GlobalSecondaryIndexes=[
{
"IndexName": "test_index",
"KeySchema": [{"AttributeName": "index_key", "KeyType": "HASH"}],
"Projection": {"ProjectionType": "ALL"},
"ProvisionedThroughput": {
"ReadCapacityUnits": 1,
"WriteCapacityUnits": 1,
},
}
],
)
table.put_item(
Item={
"main_key": "testkey1",
"extra_data": "testdata",
"index_key": "indexkey",
}
)
table.put_item(
Item={
"main_key": "testkey2",
"extra_data": "testdata",
"index_key": "indexkey",
}
)
response = table.query(
Limit=1,
KeyConditionExpression=Key("index_key").eq("indexkey"),
IndexName="test_index",
)
items = response["Items"]
items.should.have.length_of(1)
items[0].should.equal(
{"main_key": "testkey1", "extra_data": "testdata", "index_key": "indexkey"}
)
last_evaluated_key = response["LastEvaluatedKey"]
last_evaluated_key.should.have.length_of(2)
last_evaluated_key.should.equal({"main_key": "testkey1", "index_key": "indexkey"})
@mock_dynamodb
def test_filter_expression_execution_order():
# As mentioned here: https://github.com/getmoto/moto/issues/3909
# and documented here: https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/Query.html#Query.FilterExpression
# the filter expression should be evaluated after the query.
# The same applies to scan operations:
# https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/Scan.html#Scan.FilterExpression
# If we set limit=1 and apply a filter expression whixh excludes the first result
# then we should get no items in response.
conn = boto3.resource("dynamodb", region_name="us-west-2")
name = "test-filter-expression-table"
table = conn.Table(name)
conn.create_table(
TableName=name,
KeySchema=[
{"AttributeName": "hash_key", "KeyType": "HASH"},
{"AttributeName": "range_key", "KeyType": "RANGE"},
],
AttributeDefinitions=[
{"AttributeName": "hash_key", "AttributeType": "S"},
{"AttributeName": "range_key", "AttributeType": "S"},
],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
table.put_item(
Item={"hash_key": "keyvalue", "range_key": "A", "filtered_attribute": "Y"}
)
table.put_item(
Item={"hash_key": "keyvalue", "range_key": "B", "filtered_attribute": "Z"}
)
# test query
query_response_1 = table.query(
Limit=1,
KeyConditionExpression=Key("hash_key").eq("keyvalue"),
FilterExpression=Attr("filtered_attribute").eq("Z"),
)
query_items_1 = query_response_1["Items"]
query_items_1.should.have.length_of(0)
query_last_evaluated_key = query_response_1["LastEvaluatedKey"]
query_last_evaluated_key.should.have.length_of(2)
query_last_evaluated_key.should.equal({"hash_key": "keyvalue", "range_key": "A"})
query_response_2 = table.query(
Limit=1,
KeyConditionExpression=Key("hash_key").eq("keyvalue"),
FilterExpression=Attr("filtered_attribute").eq("Z"),
ExclusiveStartKey=query_last_evaluated_key,
)
query_items_2 = query_response_2["Items"]
query_items_2.should.have.length_of(1)
query_items_2[0].should.equal(
{"hash_key": "keyvalue", "filtered_attribute": "Z", "range_key": "B"}
)
# test scan
scan_response_1 = table.scan(
Limit=1, FilterExpression=Attr("filtered_attribute").eq("Z")
)
scan_items_1 = scan_response_1["Items"]
scan_items_1.should.have.length_of(0)
scan_last_evaluated_key = scan_response_1["LastEvaluatedKey"]
scan_last_evaluated_key.should.have.length_of(2)
scan_last_evaluated_key.should.equal({"hash_key": "keyvalue", "range_key": "A"})
scan_response_2 = table.scan(
Limit=1,
FilterExpression=Attr("filtered_attribute").eq("Z"),
ExclusiveStartKey=query_last_evaluated_key,
)
scan_items_2 = scan_response_2["Items"]
scan_items_2.should.have.length_of(1)
scan_items_2[0].should.equal(
{"hash_key": "keyvalue", "filtered_attribute": "Z", "range_key": "B"}
)
@mock_dynamodb
def test_projection_expression_execution_order():
# projection expression needs to be applied after calculation of
# LastEvaluatedKey as it is possible for LastEvaluatedKey to
# include attributes which are not projected.
conn = boto3.resource("dynamodb", region_name="us-west-2")
name = "test-projection-expression-with-gsi"
table = conn.Table(name)
conn.create_table(
TableName=name,
KeySchema=[
{"AttributeName": "hash_key", "KeyType": "HASH"},
{"AttributeName": "range_key", "KeyType": "RANGE"},
],
AttributeDefinitions=[
{"AttributeName": "hash_key", "AttributeType": "S"},
{"AttributeName": "range_key", "AttributeType": "S"},
{"AttributeName": "index_key", "AttributeType": "S"},
],
GlobalSecondaryIndexes=[
{
"IndexName": "test_index",
"KeySchema": [{"AttributeName": "index_key", "KeyType": "HASH"}],
"Projection": {"ProjectionType": "ALL"},
"ProvisionedThroughput": {
"ReadCapacityUnits": 1,
"WriteCapacityUnits": 1,
},
}
],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
table.put_item(Item={"hash_key": "keyvalue", "range_key": "A", "index_key": "Z"})
table.put_item(Item={"hash_key": "keyvalue", "range_key": "B", "index_key": "Z"})
# test query
# if projection expression is applied before LastEvaluatedKey is computed
# then this raises an exception.
table.query(
Limit=1,
IndexName="test_index",
KeyConditionExpression=Key("index_key").eq("Z"),
ProjectionExpression="#a",
ExpressionAttributeNames={"#a": "hashKey"},
)
# if projection expression is applied before LastEvaluatedKey is computed
# then this raises an exception.
table.scan(
Limit=1,
IndexName="test_index",
ProjectionExpression="#a",
ExpressionAttributeNames={"#a": "hashKey"},
)
@mock_dynamodb
def test_invalid_projection_expressions():
table_name = "test-projection-expressions-table"
client = boto3.client("dynamodb", region_name="us-east-1")
client.create_table(
TableName=table_name,
KeySchema=[{"AttributeName": "customer", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "customer", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
with pytest.raises(
ClientError,
match="ProjectionExpression: Attribute name is a reserved keyword; reserved keyword: name",
):
client.scan(TableName=table_name, ProjectionExpression="name")
with pytest.raises(
ClientError, match="ProjectionExpression: Attribute name starts with a number"
):
client.scan(TableName=table_name, ProjectionExpression="3ame")
with pytest.raises(
ClientError, match="ProjectionExpression: Attribute name contains white space"
):
client.scan(TableName=table_name, ProjectionExpression="na me")
with pytest.raises(
ClientError,
match="ProjectionExpression: Attribute name is a reserved keyword; reserved keyword: name",
):
client.get_item(
TableName=table_name,
Key={"customer": {"S": "a"}},
ProjectionExpression="name",
)
with pytest.raises(
ClientError,
match="ProjectionExpression: Attribute name is a reserved keyword; reserved keyword: name",
):
client.query(
TableName=table_name,
KeyConditionExpression="a",
ProjectionExpression="name",
)
with pytest.raises(
ClientError,
match="ProjectionExpression: Attribute name is a reserved keyword; reserved keyword: name",
):
client.scan(TableName=table_name, ProjectionExpression="not_a_keyword, name")
with pytest.raises(
ClientError, match="ProjectionExpression: Attribute name starts with a number"
):
client.scan(TableName=table_name, ProjectionExpression="not_a_keyword, 3ame")
with pytest.raises(
ClientError, match="ProjectionExpression: Attribute name contains white space"
):
client.scan(TableName=table_name, ProjectionExpression="not_a_keyword, na me")
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