def robotsrulesetOfDomain(self, domain):
		'''检查domain是否在数据库中,
			否 --> (False, None)
			是 --> (True, 数据库中存储的robots.txt内容)
		'''
		exist = False
		cur = self.conn.cursor()
		# 是否存在
		cur.execute("SELECT 1 FROM Domains WHERE domain=?", (domain,))
		if cur.fetchone() :
			exist = True
		# 存在的话,结果是什么
		cur.execute("SELECT rules FROM Domains,Rulesets "
			"WHERE domain=? AND Domains.did=Rulesets.did"
			,(domain,) )
		ruleset = cur.fetchone()
		return (exist, ruleset)
def test_error_on_wrong_value_for_consumed_capacity():
    resource = boto3.resource("dynamodb", region_name="ap-northeast-3")
    client = boto3.client("dynamodb", region_name="ap-northeast-3")
    client.create_table(
        TableName="jobs",
        KeySchema=[{"AttributeName": "job_id", "KeyType": "HASH"}],
        AttributeDefinitions=[{"AttributeName": "job_id", "AttributeType": "S"}],
        ProvisionedThroughput={"ReadCapacityUnits": 5, "WriteCapacityUnits": 5},
    )

    table = resource.Table("jobs")
    item = {"job_id": "asdasdasd", "expires_at": "1"}

    # PUT_ITEM
    with pytest.raises(ClientError) as ex:
        table.put_item(Item=item, ReturnConsumedCapacity="Garbage")
    err = ex.value.response["Error"]
    err["Code"].should.equal("ValidationException")
    err["Message"].should.equal(
        "1 validation error detected: Value 'Garbage' at 'returnConsumedCapacity' failed to satisfy constraint: Member must satisfy enum value set: [INDEXES, TOTAL, NONE]"
    )