moto/tests/test_dynamodb2/test_dynamodb_table_without_range_key.py
2021-10-18 19:44:29 +00:00

1124 lines
35 KiB
Python

import boto
import boto3
from boto3.dynamodb.conditions import Key
import sure # noqa # pylint: disable=unused-import
import pytest
from datetime import datetime
from freezegun import freeze_time
from boto.exception import JSONResponseError
from botocore.exceptions import ClientError
from moto import mock_dynamodb2, mock_dynamodb2_deprecated
from tests.helpers import requires_boto_gte
import botocore
try:
from boto.dynamodb2.fields import HashKey
from boto.dynamodb2.table import Table
from boto.dynamodb2.table import Item
from boto.dynamodb2.exceptions import ConditionalCheckFailedException, ItemNotFound
except ImportError:
pass
def create_table():
table = Table.create(
"messages", schema=[HashKey("forum_name")], throughput={"read": 10, "write": 10}
)
return table
@requires_boto_gte("2.9")
# Has boto3 equivalent
@mock_dynamodb2_deprecated
@freeze_time("2012-01-14")
def test_create_table():
create_table()
expected = {
"Table": {
"AttributeDefinitions": [
{"AttributeName": "forum_name", "AttributeType": "S"}
],
"ProvisionedThroughput": {
"NumberOfDecreasesToday": 0,
"WriteCapacityUnits": 10,
"ReadCapacityUnits": 10,
},
"TableSizeBytes": 0,
"TableName": "messages",
"TableStatus": "ACTIVE",
"TableArn": "arn:aws:dynamodb:us-east-1:123456789011:table/messages",
"KeySchema": [{"KeyType": "HASH", "AttributeName": "forum_name"}],
"ItemCount": 0,
"CreationDateTime": 1326499200.0,
"GlobalSecondaryIndexes": [],
"LocalSecondaryIndexes": [],
}
}
conn = boto.dynamodb2.connect_to_region(
"us-east-1", aws_access_key_id="ak", aws_secret_access_key="sk"
)
conn.describe_table("messages").should.equal(expected)
@mock_dynamodb2
def test_create_table_boto3():
client = boto3.client("dynamodb", region_name="us-east-1")
client.create_table(
TableName="messages",
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,
},
}
],
)
actual = client.describe_table(TableName="messages")["Table"]
actual.should.have.key("AttributeDefinitions").equal(
[
{"AttributeName": "id", "AttributeType": "S"},
{"AttributeName": "gsi_col", "AttributeType": "S"},
]
)
actual.should.have.key("CreationDateTime").be.a(datetime)
actual.should.have.key("GlobalSecondaryIndexes").equal(
[
{
"IndexName": "test_gsi",
"KeySchema": [{"AttributeName": "gsi_col", "KeyType": "HASH"}],
"Projection": {"ProjectionType": "ALL"},
"IndexStatus": "ACTIVE",
"ProvisionedThroughput": {
"ReadCapacityUnits": 1,
"WriteCapacityUnits": 1,
},
}
]
)
actual.should.have.key("LocalSecondaryIndexes").equal([])
actual.should.have.key("ProvisionedThroughput").equal(
{"NumberOfDecreasesToday": 0, "ReadCapacityUnits": 1, "WriteCapacityUnits": 1}
)
actual.should.have.key("TableSizeBytes").equal(0)
actual.should.have.key("TableName").equal("messages")
actual.should.have.key("TableStatus").equal("ACTIVE")
actual.should.have.key("TableArn").equal(
"arn:aws:dynamodb:us-east-1:123456789011:table/messages"
)
actual.should.have.key("KeySchema").equal(
[{"AttributeName": "id", "KeyType": "HASH"}]
)
actual.should.have.key("ItemCount").equal(0)
@requires_boto_gte("2.9")
# Has boto3 equivalent
@mock_dynamodb2_deprecated
def test_delete_table():
create_table()
conn = boto.dynamodb2.layer1.DynamoDBConnection()
conn.list_tables()["TableNames"].should.have.length_of(1)
conn.delete_table("messages")
conn.list_tables()["TableNames"].should.have.length_of(0)
conn.delete_table.when.called_with("messages").should.throw(JSONResponseError)
@mock_dynamodb2
def test_delete_table_boto3():
conn = boto3.client("dynamodb", region_name="us-west-2")
conn.create_table(
TableName="messages",
KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "id", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
conn.list_tables()["TableNames"].should.have.length_of(1)
conn.delete_table(TableName="messages")
conn.list_tables()["TableNames"].should.have.length_of(0)
with pytest.raises(ClientError) as ex:
conn.delete_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")
@requires_boto_gte("2.9")
# Has boto3 equivalent
@mock_dynamodb2_deprecated
def test_update_table_throughput():
table = create_table()
table.throughput["read"].should.equal(10)
table.throughput["write"].should.equal(10)
table.update(throughput={"read": 5, "write": 6})
table.throughput["read"].should.equal(5)
table.throughput["write"].should.equal(6)
@mock_dynamodb2
def test_update_table_throughput_boto3():
conn = boto3.resource("dynamodb", region_name="us-west-2")
table = conn.create_table(
TableName="messages",
KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "id", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
table.provisioned_throughput["ReadCapacityUnits"].should.equal(5)
table.provisioned_throughput["WriteCapacityUnits"].should.equal(5)
table.update(
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 6}
)
table.provisioned_throughput["ReadCapacityUnits"].should.equal(5)
table.provisioned_throughput["WriteCapacityUnits"].should.equal(6)
@requires_boto_gte("2.9")
# Has boto3 equivalent
@mock_dynamodb2_deprecated
def test_item_add_and_describe_and_update():
table = create_table()
data = {
"forum_name": "LOLCat Forum",
"Body": "http://url_to_lolcat.gif",
"SentBy": "User A",
}
table.put_item(data=data)
returned_item = table.get_item(forum_name="LOLCat Forum")
returned_item.should_not.be.none
dict(returned_item).should.equal(
{
"forum_name": "LOLCat Forum",
"Body": "http://url_to_lolcat.gif",
"SentBy": "User A",
}
)
returned_item["SentBy"] = "User B"
returned_item.save(overwrite=True)
returned_item = table.get_item(forum_name="LOLCat Forum")
dict(returned_item).should.equal(
{
"forum_name": "LOLCat Forum",
"Body": "http://url_to_lolcat.gif",
"SentBy": "User B",
}
)
@mock_dynamodb2
def test_item_add_and_describe_and_update_boto3():
conn = boto3.resource("dynamodb", region_name="us-west-2")
table = conn.create_table(
TableName="messages",
KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "id", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
data = {
"id": "LOLCat Forum",
"Body": "http://url_to_lolcat.gif",
"SentBy": "User A",
}
table.put_item(Item=data)
returned_item = table.get_item(Key={"id": "LOLCat Forum"})
returned_item.shouldnt.have.key("ConsumedCapacity")
dict(returned_item["Item"]).should.equal(
{"id": "LOLCat Forum", "Body": "http://url_to_lolcat.gif", "SentBy": "User A",}
)
table.update_item(
Key={"id": "LOLCat Forum"},
UpdateExpression="SET SentBy=:user",
ExpressionAttributeValues={":user": "User B"},
)
returned_item = table.get_item(Key={"id": "LOLCat Forum"})
returned_item["Item"].should.equal(
{"id": "LOLCat Forum", "Body": "http://url_to_lolcat.gif", "SentBy": "User B",}
)
@requires_boto_gte("2.9")
# Has boto3 equivalent
@mock_dynamodb2_deprecated
def test_item_partial_save():
table = create_table()
data = {
"forum_name": "LOLCat Forum",
"Body": "http://url_to_lolcat.gif",
"SentBy": "User A",
}
table.put_item(data=data)
returned_item = table.get_item(forum_name="LOLCat Forum")
returned_item["SentBy"] = "User B"
returned_item.partial_save()
returned_item = table.get_item(forum_name="LOLCat Forum")
dict(returned_item).should.equal(
{
"forum_name": "LOLCat Forum",
"Body": "http://url_to_lolcat.gif",
"SentBy": "User B",
}
)
@requires_boto_gte("2.9")
# Has boto3 equivalent
@mock_dynamodb2_deprecated
def test_item_put_without_table():
conn = boto.dynamodb2.layer1.DynamoDBConnection()
conn.put_item.when.called_with(
table_name="undeclared-table",
item={
"forum_name": "LOLCat Forum",
"Body": "http://url_to_lolcat.gif",
"SentBy": "User A",
},
).should.throw(JSONResponseError)
@mock_dynamodb2
def test_item_put_without_table_boto3():
conn = boto3.client("dynamodb", region_name="us-west-2")
with pytest.raises(ClientError) as ex:
conn.put_item(
TableName="messages",
Item={
"forum_name": {"S": "LOLCat Forum"},
"Body": {"S": "http://url_to_lolcat.gif"},
"SentBy": {"S": "User A"},
},
)
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")
@requires_boto_gte("2.9")
# Has boto3 equivalent
@mock_dynamodb2_deprecated
def test_get_item_with_undeclared_table():
conn = boto.dynamodb2.layer1.DynamoDBConnection()
conn.get_item.when.called_with(
table_name="undeclared-table", key={"forum_name": {"S": "LOLCat Forum"}}
).should.throw(JSONResponseError)
@mock_dynamodb2
def test_get_item_with_undeclared_table_boto3():
conn = boto3.client("dynamodb", region_name="us-west-2")
with pytest.raises(ClientError) as ex:
conn.get_item(TableName="messages", Key={"forum_name": {"S": "LOLCat Forum"}})
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")
@requires_boto_gte("2.30.0")
# Has boto3 equivalent
@mock_dynamodb2_deprecated
def test_delete_item():
table = create_table()
item_data = {
"forum_name": "LOLCat Forum",
"Body": "http://url_to_lolcat.gif",
"SentBy": "User A",
"ReceivedTime": "12/9/2011 11:36:03 PM",
}
item = Item(table, item_data)
item.save()
table.count().should.equal(1)
response = item.delete()
response.should.equal(True)
table.count().should.equal(0)
# Deletes are idempotent and 'False' here would imply an error condition
item.delete().should.equal(True)
@mock_dynamodb2
def test_delete_item_boto3():
conn = boto3.resource("dynamodb", region_name="us-west-2")
table = conn.create_table(
TableName="messages",
KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "id", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
item_data = {
"id": "LOLCat Forum",
"Body": "http://url_to_lolcat.gif",
"SentBy": "User A",
"ReceivedTime": "12/9/2011 11:36:03 PM",
}
table.put_item(Item=item_data)
table.item_count.should.equal(1)
table.delete_item(Key={"id": "LOLCat Forum"})
table.item_count.should.equal(0)
table.delete_item(Key={"id": "LOLCat Forum"})
@requires_boto_gte("2.9")
# Has boto3 equivalent
@mock_dynamodb2_deprecated
def test_delete_item_with_undeclared_table():
conn = boto.dynamodb2.layer1.DynamoDBConnection()
conn.delete_item.when.called_with(
table_name="undeclared-table", key={"forum_name": {"S": "LOLCat Forum"}}
).should.throw(JSONResponseError)
@mock_dynamodb2
def test_delete_item_with_undeclared_table_boto3():
conn = boto3.client("dynamodb", region_name="us-west-2")
with pytest.raises(ClientError) as ex:
conn.delete_item(
TableName="messages", Key={"forum_name": {"S": "LOLCat Forum"}}
)
ex.value.response["Error"]["Code"].should.equal("ConditionalCheckFailedException")
ex.value.response["ResponseMetadata"]["HTTPStatusCode"].should.equal(400)
ex.value.response["Error"]["Message"].should.equal(
"A condition specified in the operation could not be evaluated."
)
@requires_boto_gte("2.9")
# Has boto3 equivalent
@mock_dynamodb2_deprecated
def test_query():
table = create_table()
item_data = {
"forum_name": "the-key",
"Body": "http://url_to_lolcat.gif",
"SentBy": "User A",
"ReceivedTime": "12/9/2011 11:36:03 PM",
}
item = Item(table, item_data)
item.save(overwrite=True)
table.count().should.equal(1)
table = Table("messages")
results = table.query(forum_name__eq="the-key")
sum(1 for _ in results).should.equal(1)
@requires_boto_gte("2.9")
# Has boto3 equivalent
@mock_dynamodb2_deprecated
def test_query_with_undeclared_table():
conn = boto.dynamodb2.layer1.DynamoDBConnection()
conn.query.when.called_with(
table_name="undeclared-table",
key_conditions={
"forum_name": {
"ComparisonOperator": "EQ",
"AttributeValueList": [{"S": "the-key"}],
}
},
).should.throw(JSONResponseError)
@requires_boto_gte("2.9")
# Has boto3 equivalent
@mock_dynamodb2_deprecated
def test_scan():
table = create_table()
item_data = {
"Body": "http://url_to_lolcat.gif",
"SentBy": "User A",
"ReceivedTime": "12/9/2011 11:36:03 PM",
}
item_data["forum_name"] = "the-key"
item = Item(table, item_data)
item.save()
item["forum_name"] = "the-key2"
item.save(overwrite=True)
item_data = {
"Body": "http://url_to_lolcat.gif",
"SentBy": "User B",
"ReceivedTime": "12/9/2011 11:36:03 PM",
"Ids": set([1, 2, 3]),
"PK": 7,
}
item_data["forum_name"] = "the-key3"
item = Item(table, item_data)
item.save()
results = table.scan()
sum(1 for _ in results).should.equal(3)
results = table.scan(SentBy__eq="User B")
sum(1 for _ in results).should.equal(1)
results = table.scan(Body__beginswith="http")
sum(1 for _ in results).should.equal(3)
results = table.scan(Ids__null=False)
sum(1 for _ in results).should.equal(1)
results = table.scan(Ids__null=True)
sum(1 for _ in results).should.equal(2)
results = table.scan(PK__between=[8, 9])
sum(1 for _ in results).should.equal(0)
results = table.scan(PK__between=[5, 8])
sum(1 for _ in results).should.equal(1)
@requires_boto_gte("2.9")
# Has boto3 equivalent
@mock_dynamodb2_deprecated
def test_scan_with_undeclared_table():
conn = boto.dynamodb2.layer1.DynamoDBConnection()
conn.scan.when.called_with(
table_name="undeclared-table",
scan_filter={
"SentBy": {
"AttributeValueList": [{"S": "User B"}],
"ComparisonOperator": "EQ",
}
},
).should.throw(JSONResponseError)
@mock_dynamodb2
def test_scan_with_undeclared_table_boto3():
conn = boto3.client("dynamodb", region_name="us-west-2")
with pytest.raises(ClientError) as ex:
conn.scan(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")
@requires_boto_gte("2.9")
# Has boto3 equivalent
@mock_dynamodb2_deprecated
def test_write_batch():
table = create_table()
with table.batch_write() as batch:
batch.put_item(
data={
"forum_name": "the-key",
"subject": "123",
"Body": "http://url_to_lolcat.gif",
"SentBy": "User A",
"ReceivedTime": "12/9/2011 11:36:03 PM",
}
)
batch.put_item(
data={
"forum_name": "the-key2",
"subject": "789",
"Body": "http://url_to_lolcat.gif",
"SentBy": "User B",
"ReceivedTime": "12/9/2011 11:36:03 PM",
}
)
table.count().should.equal(2)
with table.batch_write() as batch:
batch.delete_item(forum_name="the-key", subject="789")
table.count().should.equal(1)
@requires_boto_gte("2.9")
# Has boto3 equivalent
@mock_dynamodb2_deprecated
def test_batch_read():
table = create_table()
item_data = {
"Body": "http://url_to_lolcat.gif",
"SentBy": "User A",
"ReceivedTime": "12/9/2011 11:36:03 PM",
}
item_data["forum_name"] = "the-key1"
item = Item(table, item_data)
item.save()
item = Item(table, item_data)
item_data["forum_name"] = "the-key2"
item.save(overwrite=True)
item_data = {
"Body": "http://url_to_lolcat.gif",
"SentBy": "User B",
"ReceivedTime": "12/9/2011 11:36:03 PM",
"Ids": set([1, 2, 3]),
"PK": 7,
}
item = Item(table, item_data)
item_data["forum_name"] = "another-key"
item.save(overwrite=True)
results = table.batch_get(
keys=[{"forum_name": "the-key1"}, {"forum_name": "another-key"}]
)
# Iterate through so that batch_item gets called
count = len([x for x in results])
count.should.equal(2)
@requires_boto_gte("2.9")
# Has boto3 equivalent
@mock_dynamodb2_deprecated
def test_get_key_fields():
table = create_table()
kf = table.get_key_fields()
kf[0].should.equal("forum_name")
@mock_dynamodb2
def test_get_key_schema():
conn = boto3.resource("dynamodb", region_name="us-west-2")
table = conn.create_table(
TableName="messages",
KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "id", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
table.key_schema.should.equal([{"AttributeName": "id", "KeyType": "HASH"}])
@requires_boto_gte("2.9")
# Has boto3 equivalent
@mock_dynamodb2_deprecated
def test_get_missing_item():
table = create_table()
table.get_item.when.called_with(forum_name="missing").should.throw(ItemNotFound)
@requires_boto_gte("2.9")
# Has boto3 equivalent
@mock_dynamodb2_deprecated
def test_get_special_item():
table = Table.create(
"messages",
schema=[HashKey("date-joined")],
throughput={"read": 10, "write": 10},
)
data = {"date-joined": 127549192, "SentBy": "User A"}
table.put_item(data=data)
returned_item = table.get_item(**{"date-joined": 127549192})
dict(returned_item).should.equal(data)
# Has boto3 equivalent
@mock_dynamodb2_deprecated
def test_update_item_remove():
conn = boto.dynamodb2.connect_to_region("us-east-1")
table = Table.create("messages", schema=[HashKey("username")])
data = {"username": "steve", "SentBy": "User A", "SentTo": "User B"}
table.put_item(data=data)
key_map = {"username": {"S": "steve"}}
# Then remove the SentBy field
conn.update_item("messages", key_map, update_expression="REMOVE SentBy, SentTo")
returned_item = table.get_item(username="steve")
dict(returned_item).should.equal({"username": "steve"})
# Has boto3 equivalent
@mock_dynamodb2_deprecated
def test_update_item_nested_remove():
conn = boto.dynamodb2.connect_to_region("us-east-1")
table = Table.create("messages", schema=[HashKey("username")])
data = {"username": "steve", "Meta": {"FullName": "Steve Urkel"}}
table.put_item(data=data)
key_map = {"username": {"S": "steve"}}
# Then remove the Meta.FullName field
conn.update_item("messages", key_map, update_expression="REMOVE Meta.FullName")
returned_item = table.get_item(username="steve")
dict(returned_item).should.equal({"username": "steve", "Meta": {}})
@mock_dynamodb2
def test_update_item_double_nested_remove():
conn = boto3.client("dynamodb", region_name="us-east-1")
conn.create_table(
TableName="messages",
KeySchema=[{"AttributeName": "username", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "username", "AttributeType": "S"}],
BillingMode="PAY_PER_REQUEST",
)
item = {
"username": {"S": "steve"},
"Meta": {
"M": {"Name": {"M": {"First": {"S": "Steve"}, "Last": {"S": "Urkel"}}}}
},
}
conn.put_item(TableName="messages", Item=item)
key_map = {"username": {"S": "steve"}}
# Then remove the Meta.FullName field
conn.update_item(
TableName="messages",
Key=key_map,
UpdateExpression="REMOVE Meta.#N.#F",
ExpressionAttributeNames={"#N": "Name", "#F": "First"},
)
returned_item = conn.get_item(TableName="messages", Key=key_map)
expected_item = {
"username": {"S": "steve"},
"Meta": {"M": {"Name": {"M": {"Last": {"S": "Urkel"}}}}},
}
dict(returned_item["Item"]).should.equal(expected_item)
# Has boto3 equivalent
@mock_dynamodb2_deprecated
def test_update_item_set():
conn = boto.dynamodb2.connect_to_region("us-east-1")
table = Table.create("messages", schema=[HashKey("username")])
data = {"username": "steve", "SentBy": "User A"}
table.put_item(data=data)
key_map = {"username": {"S": "steve"}}
conn.update_item(
"messages",
key_map,
update_expression="SET foo=:bar, blah=:baz REMOVE SentBy",
expression_attribute_values={":bar": {"S": "bar"}, ":baz": {"S": "baz"}},
)
returned_item = table.get_item(username="steve")
dict(returned_item).should.equal({"username": "steve", "foo": "bar", "blah": "baz"})
@mock_dynamodb2
def test_update_item_set_boto3():
conn = boto3.resource("dynamodb", region_name="us-east-1")
table = conn.create_table(
TableName="messages",
KeySchema=[{"AttributeName": "username", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "username", "AttributeType": "S"}],
BillingMode="PAY_PER_REQUEST",
)
data = {"username": "steve", "SentBy": "User A"}
table.put_item(Item=data)
key_map = {"username": "steve"}
table.update_item(
Key=key_map,
UpdateExpression="SET foo=:bar, blah=:baz REMOVE SentBy",
ExpressionAttributeValues={":bar": "bar", ":baz": "baz"},
)
returned_item = table.get_item(Key=key_map)["Item"]
dict(returned_item).should.equal({"username": "steve", "foo": "bar", "blah": "baz"})
# Has boto3 equivalent
@mock_dynamodb2_deprecated
def test_failed_overwrite():
table = Table.create(
"messages", schema=[HashKey("id")], throughput={"read": 7, "write": 3}
)
data1 = {"id": "123", "data": "678"}
table.put_item(data=data1)
data2 = {"id": "123", "data": "345"}
table.put_item(data=data2, overwrite=True)
data3 = {"id": "123", "data": "812"}
table.put_item.when.called_with(data=data3).should.throw(
ConditionalCheckFailedException
)
returned_item = table.lookup("123")
dict(returned_item).should.equal(data2)
data4 = {"id": "124", "data": 812}
table.put_item(data=data4)
returned_item = table.lookup("124")
dict(returned_item).should.equal(data4)
# Has boto3 equivalent
@mock_dynamodb2_deprecated
def test_conflicting_writes():
table = Table.create("messages", schema=[HashKey("id")])
item_data = {"id": "123", "data": "678"}
item1 = Item(table, item_data)
item2 = Item(table, item_data)
item1.save()
item1["data"] = "579"
item2["data"] = "912"
item1.save()
item2.save.when.called_with().should.throw(ConditionalCheckFailedException)
"""
boto3
"""
@mock_dynamodb2
def test_boto3_create_table():
dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
table = dynamodb.create_table(
TableName="users",
KeySchema=[{"AttributeName": "username", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "username", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
table.name.should.equal("users")
def _create_user_table():
dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
dynamodb.create_table(
TableName="users",
KeySchema=[{"AttributeName": "username", "KeyType": "HASH"}],
AttributeDefinitions=[{"AttributeName": "username", "AttributeType": "S"}],
ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
)
return dynamodb.Table("users")
@mock_dynamodb2
def test_boto3_conditions():
table = _create_user_table()
table.put_item(Item={"username": "johndoe"})
table.put_item(Item={"username": "janedoe"})
response = table.query(KeyConditionExpression=Key("username").eq("johndoe"))
response["Count"].should.equal(1)
response["Items"].should.have.length_of(1)
response["Items"][0].should.equal({"username": "johndoe"})
@mock_dynamodb2
def test_boto3_put_item_conditions_pass():
table = _create_user_table()
table.put_item(Item={"username": "johndoe", "foo": "bar"})
table.put_item(
Item={"username": "johndoe", "foo": "baz"},
Expected={"foo": {"ComparisonOperator": "EQ", "AttributeValueList": ["bar"]}},
)
final_item = table.get_item(Key={"username": "johndoe"})
assert dict(final_item)["Item"]["foo"].should.equal("baz")
@mock_dynamodb2
def test_boto3_put_item_conditions_pass_because_expect_not_exists_by_compare_to_null():
table = _create_user_table()
table.put_item(Item={"username": "johndoe", "foo": "bar"})
table.put_item(
Item={"username": "johndoe", "foo": "baz"},
Expected={"whatever": {"ComparisonOperator": "NULL"}},
)
final_item = table.get_item(Key={"username": "johndoe"})
assert dict(final_item)["Item"]["foo"].should.equal("baz")
@mock_dynamodb2
def test_boto3_put_item_conditions_pass_because_expect_exists_by_compare_to_not_null():
table = _create_user_table()
table.put_item(Item={"username": "johndoe", "foo": "bar"})
table.put_item(
Item={"username": "johndoe", "foo": "baz"},
Expected={"foo": {"ComparisonOperator": "NOT_NULL"}},
)
final_item = table.get_item(Key={"username": "johndoe"})
assert dict(final_item)["Item"]["foo"].should.equal("baz")
@mock_dynamodb2
def test_boto3_put_item_conditions_fail():
table = _create_user_table()
table.put_item(Item={"username": "johndoe", "foo": "bar"})
table.put_item.when.called_with(
Item={"username": "johndoe", "foo": "baz"},
Expected={"foo": {"ComparisonOperator": "NE", "AttributeValueList": ["bar"]}},
).should.throw(botocore.client.ClientError)
@mock_dynamodb2
def test_boto3_update_item_conditions_fail():
table = _create_user_table()
table.put_item(Item={"username": "johndoe", "foo": "baz"})
table.update_item.when.called_with(
Key={"username": "johndoe"},
UpdateExpression="SET foo=:bar",
Expected={"foo": {"Value": "bar"}},
ExpressionAttributeValues={":bar": "bar"},
).should.throw(botocore.client.ClientError)
@mock_dynamodb2
def test_boto3_update_item_conditions_fail_because_expect_not_exists():
table = _create_user_table()
table.put_item(Item={"username": "johndoe", "foo": "baz"})
table.update_item.when.called_with(
Key={"username": "johndoe"},
UpdateExpression="SET foo=:bar",
Expected={"foo": {"Exists": False}},
ExpressionAttributeValues={":bar": "bar"},
).should.throw(botocore.client.ClientError)
@mock_dynamodb2
def test_boto3_update_item_conditions_fail_because_expect_not_exists_by_compare_to_null():
table = _create_user_table()
table.put_item(Item={"username": "johndoe", "foo": "baz"})
table.update_item.when.called_with(
Key={"username": "johndoe"},
UpdateExpression="SET foo=:bar",
Expected={"foo": {"ComparisonOperator": "NULL"}},
ExpressionAttributeValues={":bar": "bar"},
).should.throw(botocore.client.ClientError)
@mock_dynamodb2
def test_boto3_update_item_conditions_pass():
table = _create_user_table()
table.put_item(Item={"username": "johndoe", "foo": "bar"})
table.update_item(
Key={"username": "johndoe"},
UpdateExpression="SET foo=:baz",
Expected={"foo": {"Value": "bar"}},
ExpressionAttributeValues={":baz": "baz"},
)
returned_item = table.get_item(Key={"username": "johndoe"})
assert dict(returned_item)["Item"]["foo"].should.equal("baz")
@mock_dynamodb2
def test_boto3_update_item_conditions_pass_because_expect_not_exists():
table = _create_user_table()
table.put_item(Item={"username": "johndoe", "foo": "bar"})
table.update_item(
Key={"username": "johndoe"},
UpdateExpression="SET foo=:baz",
Expected={"whatever": {"Exists": False}},
ExpressionAttributeValues={":baz": "baz"},
)
returned_item = table.get_item(Key={"username": "johndoe"})
assert dict(returned_item)["Item"]["foo"].should.equal("baz")
@mock_dynamodb2
def test_boto3_update_item_conditions_pass_because_expect_not_exists_by_compare_to_null():
table = _create_user_table()
table.put_item(Item={"username": "johndoe", "foo": "bar"})
table.update_item(
Key={"username": "johndoe"},
UpdateExpression="SET foo=:baz",
Expected={"whatever": {"ComparisonOperator": "NULL"}},
ExpressionAttributeValues={":baz": "baz"},
)
returned_item = table.get_item(Key={"username": "johndoe"})
assert dict(returned_item)["Item"]["foo"].should.equal("baz")
@mock_dynamodb2
def test_boto3_update_item_conditions_pass_because_expect_exists_by_compare_to_not_null():
table = _create_user_table()
table.put_item(Item={"username": "johndoe", "foo": "bar"})
table.update_item(
Key={"username": "johndoe"},
UpdateExpression="SET foo=:baz",
Expected={"foo": {"ComparisonOperator": "NOT_NULL"}},
ExpressionAttributeValues={":baz": "baz"},
)
returned_item = table.get_item(Key={"username": "johndoe"})
assert dict(returned_item)["Item"]["foo"].should.equal("baz")
@mock_dynamodb2
def test_boto3_update_settype_item_with_conditions():
class OrderedSet(set):
"""A set with predictable iteration order"""
def __init__(self, values):
super(OrderedSet, self).__init__(values)
self.__ordered_values = values
def __iter__(self):
return iter(self.__ordered_values)
table = _create_user_table()
table.put_item(Item={"username": "johndoe"})
table.update_item(
Key={"username": "johndoe"},
UpdateExpression="SET foo=:new_value",
ExpressionAttributeValues={":new_value": OrderedSet(["hello", "world"])},
)
table.update_item(
Key={"username": "johndoe"},
UpdateExpression="SET foo=:new_value",
ExpressionAttributeValues={":new_value": set(["baz"])},
Expected={
"foo": {
"ComparisonOperator": "EQ",
"AttributeValueList": [
OrderedSet(["world", "hello"]) # Opposite order to original
],
}
},
)
returned_item = table.get_item(Key={"username": "johndoe"})
assert dict(returned_item)["Item"]["foo"].should.equal(set(["baz"]))
@mock_dynamodb2
def test_scan_pagination():
table = _create_user_table()
expected_usernames = ["user{0}".format(i) for i in range(10)]
for u in expected_usernames:
table.put_item(Item={"username": u})
page1 = table.scan(Limit=6)
page1["Count"].should.equal(6)
page1["Items"].should.have.length_of(6)
page1.should.have.key("LastEvaluatedKey")
page2 = table.scan(Limit=6, ExclusiveStartKey=page1["LastEvaluatedKey"])
page2["Count"].should.equal(4)
page2["Items"].should.have.length_of(4)
page2.should_not.have.key("LastEvaluatedKey")
results = page1["Items"] + page2["Items"]
usernames = set([r["username"] for r in results])
usernames.should.equal(set(expected_usernames))
@mock_dynamodb2
def test_scan_by_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,
},
}
],
)
dynamodb.put_item(
TableName="test",
Item={"id": {"S": "1"}, "col1": {"S": "val1"}, "gsi_col": {"S": "gsi_val1"}},
)
dynamodb.put_item(
TableName="test",
Item={"id": {"S": "2"}, "col1": {"S": "val2"}, "gsi_col": {"S": "gsi_val2"}},
)
dynamodb.put_item(TableName="test", Item={"id": {"S": "3"}, "col1": {"S": "val3"}})
res = dynamodb.scan(TableName="test")
assert res["Count"] == 3
assert len(res["Items"]) == 3
res = dynamodb.scan(TableName="test", IndexName="test_gsi")
assert res["Count"] == 2
assert len(res["Items"]) == 2
res = dynamodb.scan(TableName="test", IndexName="test_gsi", Limit=1)
assert res["Count"] == 1
assert len(res["Items"]) == 1
last_eval_key = res["LastEvaluatedKey"]
assert last_eval_key["id"]["S"] == "1"
assert last_eval_key["gsi_col"]["S"] == "gsi_val1"