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import boto3
import pytest
from moto import mock_aws
@mock_aws
def test_describe_db_cluster_parameters():
client = boto3.client("rds", "us-east-2")
# Create cluster
client.create_db_cluster(
DBClusterIdentifier="test-cluster",
Engine="aurora-postgresql",
MasterUsername="admin",
MasterUserPassword="password",
DBClusterParameterGroupName="group",
)
client.create_db_cluster_parameter_group(
DBClusterParameterGroupName="group",
DBParameterGroupFamily="aurora5.6",
Description="Test group",
)
resp = client.describe_db_cluster_parameters(DBClusterParameterGroupName="group")
assert resp["Parameters"] == []
@mock_aws
def test_modify_db_cluster_parameter_group():
client = boto3.client("rds", "us-east-2")
# Create cluster
client.create_db_cluster(
DBClusterIdentifier="test-cluster",
Engine="aurora-postgresql",
MasterUsername="admin",
MasterUserPassword="password",
DBClusterParameterGroupName="group",
)
client.create_db_cluster_parameter_group(
DBClusterParameterGroupName="group",
DBParameterGroupFamily="aurora5.6",
Description="Test group",
)
client.modify_db_cluster_parameter_group(
DBClusterParameterGroupName="group",
Parameters=[
{
"ParameterName": "rds.force_ssl",
"ParameterValue": "0",
"ApplyMethod": "immediate",
}
],
)
resp = client.describe_db_cluster_parameters(DBClusterParameterGroupName="group")
assert resp["Parameters"][0]["ParameterName"] == "rds.force_ssl"
assert resp["Parameters"][0]["ParameterValue"] == "0"
assert resp["Parameters"][0]["ApplyMethod"] == "immediate"
@mock_aws
def test_describe_db_cluster_parameters_not_found():
client = boto3.client("rds", "us-east-2")
with pytest.raises(client.exceptions.DBParameterGroupNotFoundFault) as excinfo:
client.describe_db_cluster_parameters(
DBClusterParameterGroupName="nonexistent-group"
)
assert "DBClusterParameterGroup not found: nonexistent-group" in str(excinfo.value)
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