trycua--cua/libs/python/mcp-server/tests/test_mcp_server.py

"""Unit tests for mcp-server package.

This file tests ONLY basic MCP server functionality.
Following SRP: This file tests MCP server initialization.
All external dependencies are mocked.
"""

from unittest.mock import AsyncMock, Mock, patch

import pytest


class TestMCPServerImports:
    """Test MCP server module imports (SRP: Only tests imports)."""

    def test_mcp_server_module_exists(self):
        """Test that mcp_server module can be imported."""
        try:
            import mcp_server

            assert mcp_server is not None
        except ImportError:
            pytest.skip("mcp_server module not installed")
        except SystemExit:
            pytest.skip("MCP dependencies (mcp.server.fastmcp) not available")


class TestMCPServerInitialization:
    """Test MCP server initialization (SRP: Only tests initialization)."""

    @pytest.mark.asyncio
    async def test_mcp_server_can_be_imported(self):
        """Basic smoke test: verify MCP server components can be imported."""
        try:
            from mcp_server import server

            assert server is not None
        except ImportError:
            pytest.skip("MCP server module not available")
        except SystemExit:
            pytest.skip("MCP dependencies (mcp.server.fastmcp) not available")
        except Exception as e:
            # Some initialization errors are acceptable in unit tests
            pytest.skip(f"MCP server initialization requires specific setup: {e}")