"""Lambda test module."""
from unittest.mock import patch

import config
from src import app as index


@patch('src.app.boto3')
def test_handler(botoMock, mock_event_msk):
    """Test handler function."""
    config.STEP_FN_ARN = 'test-step-function-arn'
    execute_response = {'step_fn': 'result'}
    botoMock.client().start_execution.return_value = execute_response
    result = index.handler(mock_event_msk, None)
    assert result == {'statusCode': 200, 'status': 'OK'}