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"""Test MCP tool registration through superset-core dependency injection."""

import sys
from unittest.mock import MagicMock, patch

from superset.core.mcp.core_mcp_injection import initialize_core_mcp_dependencies


def test_initialize_core_mcp_dependencies_replaces_decorator():
    """Test that initialize_core_mcp_dependencies replaces the abstract tool
    decorator."""
    # Mock the superset_core.mcp module
    mock_mcp_module = MagicMock()

    with patch.dict(sys.modules, {"superset_core.mcp": mock_mcp_module}):
        initialize_core_mcp_dependencies()

        # Verify the abstract decorator was replaced
        assert hasattr(mock_mcp_module, "tool")
        assert callable(mock_mcp_module.tool)


def test_tool_import_works():
    """Test that tool can be imported from superset_core.mcp after
    initialization."""
    # This test verifies the basic import works (dependency injection has happened)
    from superset_core.mcp import tool

    # Should be callable
    assert callable(tool)

    # Should return a decorator function
    decorator = tool(name="test", description="test")
    assert callable(decorator)