578 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			578 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| import boto3
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| from boto3.dynamodb.conditions import Key
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| import sure  # noqa # pylint: disable=unused-import
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| import pytest
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| from datetime import datetime
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| from botocore.exceptions import ClientError
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| from moto import mock_dynamodb
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| from moto.core import DEFAULT_ACCOUNT_ID as ACCOUNT_ID
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| import botocore
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| 
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| 
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| @mock_dynamodb
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| def test_create_table():
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|     client = boto3.client("dynamodb", region_name="us-east-2")
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|     client.create_table(
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|         TableName="messages",
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|         KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
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|         AttributeDefinitions=[
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|             {"AttributeName": "id", "AttributeType": "S"},
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|             {"AttributeName": "gsi_col", "AttributeType": "S"},
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|         ],
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|         ProvisionedThroughput={"ReadCapacityUnits": 1, "WriteCapacityUnits": 1},
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|         GlobalSecondaryIndexes=[
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|             {
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|                 "IndexName": "test_gsi",
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|                 "KeySchema": [{"AttributeName": "gsi_col", "KeyType": "HASH"}],
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|                 "Projection": {"ProjectionType": "ALL"},
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|                 "ProvisionedThroughput": {
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|                     "ReadCapacityUnits": 1,
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|                     "WriteCapacityUnits": 1,
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|                 },
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|             }
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|         ],
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|     )
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| 
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|     actual = client.describe_table(TableName="messages")["Table"]
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| 
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|     actual.should.have.key("AttributeDefinitions").equal(
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|         [
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|             {"AttributeName": "id", "AttributeType": "S"},
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|             {"AttributeName": "gsi_col", "AttributeType": "S"},
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|         ]
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|     )
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|     actual.should.have.key("CreationDateTime").be.a(datetime)
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|     actual.should.have.key("GlobalSecondaryIndexes").equal(
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|         [
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|             {
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|                 "IndexName": "test_gsi",
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|                 "KeySchema": [{"AttributeName": "gsi_col", "KeyType": "HASH"}],
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|                 "Projection": {"ProjectionType": "ALL"},
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|                 "IndexStatus": "ACTIVE",
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|                 "ProvisionedThroughput": {
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|                     "ReadCapacityUnits": 1,
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|                     "WriteCapacityUnits": 1,
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|                 },
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|             }
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|         ]
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|     )
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|     actual.should.have.key("LocalSecondaryIndexes").equal([])
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|     actual.should.have.key("ProvisionedThroughput").equal(
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|         {"NumberOfDecreasesToday": 0, "ReadCapacityUnits": 1, "WriteCapacityUnits": 1}
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|     )
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|     actual.should.have.key("TableSizeBytes").equal(0)
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|     actual.should.have.key("TableName").equal("messages")
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|     actual.should.have.key("TableStatus").equal("ACTIVE")
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|     actual.should.have.key("TableArn").equal(
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|         f"arn:aws:dynamodb:us-east-2:{ACCOUNT_ID}:table/messages"
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|     )
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|     actual.should.have.key("KeySchema").equal(
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|         [{"AttributeName": "id", "KeyType": "HASH"}]
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|     )
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|     actual.should.have.key("ItemCount").equal(0)
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| 
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| 
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| @mock_dynamodb
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| def test_delete_table():
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|     conn = boto3.client("dynamodb", region_name="us-west-2")
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|     conn.create_table(
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|         TableName="messages",
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|         KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
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|         AttributeDefinitions=[{"AttributeName": "id", "AttributeType": "S"}],
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|         ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
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|     )
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|     conn.list_tables()["TableNames"].should.have.length_of(1)
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| 
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|     conn.delete_table(TableName="messages")
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|     conn.list_tables()["TableNames"].should.have.length_of(0)
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| 
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|     with pytest.raises(ClientError) as ex:
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|         conn.delete_table(TableName="messages")
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| 
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|     ex.value.response["Error"]["Code"].should.equal("ResourceNotFoundException")
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|     ex.value.response["ResponseMetadata"]["HTTPStatusCode"].should.equal(400)
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|     ex.value.response["Error"]["Message"].should.equal("Requested resource not found")
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| 
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| 
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| @mock_dynamodb
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| def test_item_add_and_describe_and_update():
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|     conn = boto3.resource("dynamodb", region_name="us-west-2")
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|     table = conn.create_table(
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|         TableName="messages",
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|         KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
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|         AttributeDefinitions=[{"AttributeName": "id", "AttributeType": "S"}],
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|         ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
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|     )
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| 
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|     data = {
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|         "id": "LOLCat Forum",
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|         "Body": "http://url_to_lolcat.gif",
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|         "SentBy": "User A",
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|     }
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| 
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|     table.put_item(Item=data)
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|     returned_item = table.get_item(Key={"id": "LOLCat Forum"})
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|     returned_item.shouldnt.have.key("ConsumedCapacity")
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| 
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|     dict(returned_item["Item"]).should.equal(
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|         {"id": "LOLCat Forum", "Body": "http://url_to_lolcat.gif", "SentBy": "User A"}
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|     )
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| 
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|     table.update_item(
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|         Key={"id": "LOLCat Forum"},
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|         UpdateExpression="SET SentBy=:user",
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|         ExpressionAttributeValues={":user": "User B"},
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|     )
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| 
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|     returned_item = table.get_item(Key={"id": "LOLCat Forum"})
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|     returned_item["Item"].should.equal(
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|         {"id": "LOLCat Forum", "Body": "http://url_to_lolcat.gif", "SentBy": "User B"}
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|     )
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| 
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| 
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| @mock_dynamodb
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| def test_item_put_without_table():
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|     conn = boto3.client("dynamodb", region_name="us-west-2")
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| 
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|     with pytest.raises(ClientError) as ex:
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|         conn.put_item(
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|             TableName="messages",
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|             Item={
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|                 "forum_name": {"S": "LOLCat Forum"},
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|                 "Body": {"S": "http://url_to_lolcat.gif"},
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|                 "SentBy": {"S": "User A"},
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|             },
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|         )
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| 
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|     ex.value.response["Error"]["Code"].should.equal("ResourceNotFoundException")
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|     ex.value.response["ResponseMetadata"]["HTTPStatusCode"].should.equal(400)
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|     ex.value.response["Error"]["Message"].should.equal("Requested resource not found")
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| 
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| 
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| @mock_dynamodb
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| def test_get_item_with_undeclared_table():
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|     conn = boto3.client("dynamodb", region_name="us-west-2")
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| 
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|     with pytest.raises(ClientError) as ex:
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|         conn.get_item(TableName="messages", Key={"forum_name": {"S": "LOLCat Forum"}})
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| 
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|     ex.value.response["Error"]["Code"].should.equal("ResourceNotFoundException")
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|     ex.value.response["ResponseMetadata"]["HTTPStatusCode"].should.equal(400)
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|     ex.value.response["Error"]["Message"].should.equal("Requested resource not found")
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| 
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| 
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| @mock_dynamodb
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| def test_delete_item():
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|     conn = boto3.resource("dynamodb", region_name="us-west-2")
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|     table = conn.create_table(
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|         TableName="messages",
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|         KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
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|         AttributeDefinitions=[{"AttributeName": "id", "AttributeType": "S"}],
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|         ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
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|     )
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| 
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|     item_data = {
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|         "id": "LOLCat Forum",
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|         "Body": "http://url_to_lolcat.gif",
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|         "SentBy": "User A",
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|         "ReceivedTime": "12/9/2011 11:36:03 PM",
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|     }
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|     table.put_item(Item=item_data)
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| 
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|     table.item_count.should.equal(1)
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| 
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|     table.delete_item(Key={"id": "LOLCat Forum"})
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| 
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|     table.item_count.should.equal(0)
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| 
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|     table.delete_item(Key={"id": "LOLCat Forum"})
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| 
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| 
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| @mock_dynamodb
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| def test_delete_item_with_undeclared_table():
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|     conn = boto3.client("dynamodb", region_name="us-west-2")
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| 
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|     with pytest.raises(ClientError) as ex:
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|         conn.delete_item(
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|             TableName="messages", Key={"forum_name": {"S": "LOLCat Forum"}}
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|         )
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| 
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|     ex.value.response["Error"]["Code"].should.equal("ConditionalCheckFailedException")
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|     ex.value.response["ResponseMetadata"]["HTTPStatusCode"].should.equal(400)
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|     ex.value.response["Error"]["Message"].should.equal(
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|         "A condition specified in the operation could not be evaluated."
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|     )
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| 
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| 
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| @mock_dynamodb
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| def test_scan_with_undeclared_table():
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|     conn = boto3.client("dynamodb", region_name="us-west-2")
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| 
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|     with pytest.raises(ClientError) as ex:
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|         conn.scan(TableName="messages")
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| 
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|     ex.value.response["Error"]["Code"].should.equal("ResourceNotFoundException")
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|     ex.value.response["ResponseMetadata"]["HTTPStatusCode"].should.equal(400)
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|     ex.value.response["Error"]["Message"].should.equal("Requested resource not found")
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| 
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| 
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| @mock_dynamodb
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| def test_get_key_schema():
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|     conn = boto3.resource("dynamodb", region_name="us-west-2")
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|     table = conn.create_table(
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|         TableName="messages",
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|         KeySchema=[{"AttributeName": "id", "KeyType": "HASH"}],
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|         AttributeDefinitions=[{"AttributeName": "id", "AttributeType": "S"}],
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|         ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
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|     )
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| 
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|     table.key_schema.should.equal([{"AttributeName": "id", "KeyType": "HASH"}])
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| 
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| 
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| @mock_dynamodb
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| def test_update_item_double_nested_remove():
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|     conn = boto3.client("dynamodb", region_name="us-east-1")
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|     conn.create_table(
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|         TableName="messages",
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|         KeySchema=[{"AttributeName": "username", "KeyType": "HASH"}],
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|         AttributeDefinitions=[{"AttributeName": "username", "AttributeType": "S"}],
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|         BillingMode="PAY_PER_REQUEST",
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|     )
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| 
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|     item = {
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|         "username": {"S": "steve"},
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|         "Meta": {
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|             "M": {"Name": {"M": {"First": {"S": "Steve"}, "Last": {"S": "Urkel"}}}}
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|         },
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|     }
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|     conn.put_item(TableName="messages", Item=item)
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|     key_map = {"username": {"S": "steve"}}
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| 
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|     # Then remove the Meta.FullName field
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|     conn.update_item(
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|         TableName="messages",
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|         Key=key_map,
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|         UpdateExpression="REMOVE Meta.#N.#F",
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|         ExpressionAttributeNames={"#N": "Name", "#F": "First"},
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|     )
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| 
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|     returned_item = conn.get_item(TableName="messages", Key=key_map)
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|     expected_item = {
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|         "username": {"S": "steve"},
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|         "Meta": {"M": {"Name": {"M": {"Last": {"S": "Urkel"}}}}},
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|     }
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|     dict(returned_item["Item"]).should.equal(expected_item)
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| 
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| 
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| @mock_dynamodb
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| def test_update_item_set():
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|     conn = boto3.resource("dynamodb", region_name="us-east-1")
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|     table = conn.create_table(
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|         TableName="messages",
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|         KeySchema=[{"AttributeName": "username", "KeyType": "HASH"}],
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|         AttributeDefinitions=[{"AttributeName": "username", "AttributeType": "S"}],
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|         BillingMode="PAY_PER_REQUEST",
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|     )
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| 
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|     data = {"username": "steve", "SentBy": "User A"}
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|     table.put_item(Item=data)
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|     key_map = {"username": "steve"}
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| 
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|     table.update_item(
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|         Key=key_map,
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|         UpdateExpression="SET foo=:bar, blah=:baz REMOVE SentBy",
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|         ExpressionAttributeValues={":bar": "bar", ":baz": "baz"},
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|     )
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| 
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|     returned_item = table.get_item(Key=key_map)["Item"]
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|     dict(returned_item).should.equal({"username": "steve", "foo": "bar", "blah": "baz"})
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| 
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| 
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| @mock_dynamodb
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| def test_create_table__using_resource():
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|     dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
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| 
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|     table = dynamodb.create_table(
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|         TableName="users",
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|         KeySchema=[{"AttributeName": "username", "KeyType": "HASH"}],
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|         AttributeDefinitions=[{"AttributeName": "username", "AttributeType": "S"}],
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|         ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
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|     )
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|     table.name.should.equal("users")
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| 
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| 
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| def _create_user_table():
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|     dynamodb = boto3.resource("dynamodb", region_name="us-east-1")
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| 
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|     dynamodb.create_table(
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|         TableName="users",
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|         KeySchema=[{"AttributeName": "username", "KeyType": "HASH"}],
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|         AttributeDefinitions=[{"AttributeName": "username", "AttributeType": "S"}],
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|         ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
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|     )
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|     return dynamodb.Table("users")
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| 
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| 
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| @mock_dynamodb
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| def test_conditions():
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|     table = _create_user_table()
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| 
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|     table.put_item(Item={"username": "johndoe"})
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|     table.put_item(Item={"username": "janedoe"})
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| 
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|     response = table.query(KeyConditionExpression=Key("username").eq("johndoe"))
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|     response["Count"].should.equal(1)
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|     response["Items"].should.have.length_of(1)
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|     response["Items"][0].should.equal({"username": "johndoe"})
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| 
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| 
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| @mock_dynamodb
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| def test_put_item_conditions_pass():
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|     table = _create_user_table()
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|     table.put_item(Item={"username": "johndoe", "foo": "bar"})
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|     table.put_item(
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|         Item={"username": "johndoe", "foo": "baz"},
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|         Expected={"foo": {"ComparisonOperator": "EQ", "AttributeValueList": ["bar"]}},
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|     )
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|     final_item = table.get_item(Key={"username": "johndoe"})
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|     assert dict(final_item)["Item"]["foo"].should.equal("baz")
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| 
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| 
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| @mock_dynamodb
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| def test_put_item_conditions_pass_because_expect_not_exists_by_compare_to_null():
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|     table = _create_user_table()
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|     table.put_item(Item={"username": "johndoe", "foo": "bar"})
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|     table.put_item(
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|         Item={"username": "johndoe", "foo": "baz"},
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|         Expected={"whatever": {"ComparisonOperator": "NULL"}},
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|     )
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|     final_item = table.get_item(Key={"username": "johndoe"})
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|     assert dict(final_item)["Item"]["foo"].should.equal("baz")
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| 
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| 
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| @mock_dynamodb
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| def test_put_item_conditions_pass_because_expect_exists_by_compare_to_not_null():
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|     table = _create_user_table()
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|     table.put_item(Item={"username": "johndoe", "foo": "bar"})
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|     table.put_item(
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|         Item={"username": "johndoe", "foo": "baz"},
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|         Expected={"foo": {"ComparisonOperator": "NOT_NULL"}},
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|     )
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|     final_item = table.get_item(Key={"username": "johndoe"})
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|     assert dict(final_item)["Item"]["foo"].should.equal("baz")
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| 
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| 
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| @mock_dynamodb
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| def test_put_item_conditions_fail():
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|     table = _create_user_table()
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|     table.put_item(Item={"username": "johndoe", "foo": "bar"})
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|     table.put_item.when.called_with(
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|         Item={"username": "johndoe", "foo": "baz"},
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|         Expected={"foo": {"ComparisonOperator": "NE", "AttributeValueList": ["bar"]}},
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|     ).should.throw(botocore.client.ClientError)
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| 
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| 
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| @mock_dynamodb
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| def test_update_item_conditions_fail():
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|     table = _create_user_table()
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|     table.put_item(Item={"username": "johndoe", "foo": "baz"})
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|     table.update_item.when.called_with(
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|         Key={"username": "johndoe"},
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|         UpdateExpression="SET foo=:bar",
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|         Expected={"foo": {"Value": "bar"}},
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|         ExpressionAttributeValues={":bar": "bar"},
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|     ).should.throw(botocore.client.ClientError)
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| 
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| 
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| @mock_dynamodb
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| def test_update_item_conditions_fail_because_expect_not_exists():
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|     table = _create_user_table()
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|     table.put_item(Item={"username": "johndoe", "foo": "baz"})
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|     table.update_item.when.called_with(
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|         Key={"username": "johndoe"},
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|         UpdateExpression="SET foo=:bar",
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|         Expected={"foo": {"Exists": False}},
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|         ExpressionAttributeValues={":bar": "bar"},
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|     ).should.throw(botocore.client.ClientError)
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| 
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| 
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| @mock_dynamodb
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| def test_update_item_conditions_fail_because_expect_not_exists_by_compare_to_null():
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|     table = _create_user_table()
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|     table.put_item(Item={"username": "johndoe", "foo": "baz"})
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|     table.update_item.when.called_with(
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|         Key={"username": "johndoe"},
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|         UpdateExpression="SET foo=:bar",
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|         Expected={"foo": {"ComparisonOperator": "NULL"}},
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|         ExpressionAttributeValues={":bar": "bar"},
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|     ).should.throw(botocore.client.ClientError)
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| 
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| 
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| @mock_dynamodb
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| def test_update_item_conditions_pass():
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|     table = _create_user_table()
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|     table.put_item(Item={"username": "johndoe", "foo": "bar"})
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|     table.update_item(
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|         Key={"username": "johndoe"},
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|         UpdateExpression="SET foo=:baz",
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|         Expected={"foo": {"Value": "bar"}},
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|         ExpressionAttributeValues={":baz": "baz"},
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|     )
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|     returned_item = table.get_item(Key={"username": "johndoe"})
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|     assert dict(returned_item)["Item"]["foo"].should.equal("baz")
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| 
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| 
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| @mock_dynamodb
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| def test_update_item_conditions_pass_because_expect_not_exists():
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|     table = _create_user_table()
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|     table.put_item(Item={"username": "johndoe", "foo": "bar"})
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|     table.update_item(
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|         Key={"username": "johndoe"},
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|         UpdateExpression="SET foo=:baz",
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|         Expected={"whatever": {"Exists": False}},
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|         ExpressionAttributeValues={":baz": "baz"},
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|     )
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|     returned_item = table.get_item(Key={"username": "johndoe"})
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|     assert dict(returned_item)["Item"]["foo"].should.equal("baz")
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| 
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| 
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| @mock_dynamodb
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| def test_update_item_conditions_pass_because_expect_not_exists_by_compare_to_null():
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|     table = _create_user_table()
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|     table.put_item(Item={"username": "johndoe", "foo": "bar"})
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|     table.update_item(
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|         Key={"username": "johndoe"},
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|         UpdateExpression="SET foo=:baz",
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|         Expected={"whatever": {"ComparisonOperator": "NULL"}},
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|         ExpressionAttributeValues={":baz": "baz"},
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|     )
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|     returned_item = table.get_item(Key={"username": "johndoe"})
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|     assert dict(returned_item)["Item"]["foo"].should.equal("baz")
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| 
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| 
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| @mock_dynamodb
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| def test_update_item_conditions_pass_because_expect_exists_by_compare_to_not_null():
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|     table = _create_user_table()
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|     table.put_item(Item={"username": "johndoe", "foo": "bar"})
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|     table.update_item(
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|         Key={"username": "johndoe"},
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|         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_dynamodb
 | |
| def test_update_settype_item_with_conditions():
 | |
|     class OrderedSet(set):
 | |
|         """A set with predictable iteration order"""
 | |
| 
 | |
|         def __init__(self, values):
 | |
|             super().__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_dynamodb
 | |
| def test_scan_pagination():
 | |
|     table = _create_user_table()
 | |
| 
 | |
|     expected_usernames = [f"user{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_dynamodb
 | |
| 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"
 |