# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Tests for the main function in server.py."""
from awslabs.amazon_neptune_mcp_server.server import main
from unittest.mock import patch
class TestMain:
"""Tests for the main function."""
@patch('awslabs.amazon_neptune_mcp_server.server.mcp.run')
@patch('sys.argv', ['awslabs.amazon-neptune-mcp-server'])
def test_main_default(self, mock_run):
"""Test main function with default arguments.
This test verifies that:
1. The main function runs without errors
2. The mcp.run method is called once
3. No transport parameter is passed to mcp.run
"""
# Call the main function
main()
# Check that mcp.run was called with the correct arguments
mock_run.assert_called_once()
assert mock_run.call_args[1].get('transport') is None
def test_module_execution(self):
"""Test the module execution when run as __main__.
This test verifies that:
1. The server module contains the expected __main__ block
2. The main() function is called in the __main__ block
Note: This test doesn't actually execute the code, but ensures
that the coverage report includes the if __name__ == '__main__': line
by explicitly checking for its presence.
"""
# Get the source code of the module
import inspect
from awslabs.amazon_neptune_mcp_server import server
# Get the source code
source = inspect.getsource(server)
# Check that the module has the if __name__ == '__main__': block
assert "if __name__ == '__main__':" in source
assert 'main()' in source
