LCORE-381: Unit tests for extract mcp headers #282
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""" WalkthroughThe parameter name in the Changes
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Actionable comments posted: 1
🧹 Nitpick comments (1)
tests/unit/utils/test_mcp_headers.py (1)
95-115: Remove duplicate test case.The tests
test_mcp_headers_dependency_empty_headersandtest_mcp_headers_dependency_mcp_headers_emptyappear to test the same scenario (empty MCP-HEADERS header). Consider removing one of these duplicate tests to avoid redundancy.Apply this diff to remove the duplicate test:
-@pytest.mark.asyncio -async def test_mcp_headers_dependency_empty_headers(): - """Test the mcp_headers_dependency function for request with empty MCP-HEADERS header.""" - request = Mock(spec=Request) - # empty MCP-HEADERS - request.headers = {"MCP-HEADERS": ""} - - # empty dict should be returned - result = await mcp_headers.mcp_headers_dependency(request) - assert result == {} - -
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src/utils/mcp_headers.py(2 hunks)tests/unit/utils/test_mcp_headers.py(1 hunks)
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tests/unit/utils/test_mcp_headers.py
[error] 4-4: pylint C0411: standard import "unittest.mock.Mock" should be placed before third party import "fastapi.Request" (wrong-import-order)
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🔇 Additional comments (10)
src/utils/mcp_headers.py (2)
15-16: Good improvement to parameter naming and docstring consistency.Renaming the parameter from
_requesttorequestremoves the misleading underscore prefix that typically indicates unused parameters. Since this parameter is actually used in the function, this change improves code readability and consistency.
26-26: Correctly updated function call to use renamed parameter.The function call properly uses the renamed
requestparameter, maintaining existing functionality while improving consistency.tests/unit/utils/test_mcp_headers.py (8)
10-17: Good edge case coverage for empty headers.This test properly covers the scenario where no headers are present in the request, which is an important edge case for the MCP headers extraction functionality.
20-28: Comprehensive edge case testing for empty MCP-HEADERS.This test effectively covers the scenario where the MCP-HEADERS header is present but contains an empty string, ensuring robust handling of this edge case.
31-40: Effective positive test case for single MCP header.This test validates the core functionality with a realistic single MCP server configuration, ensuring proper JSON parsing and data structure handling.
43-58: Thorough testing of multiple MCP headers scenario.This test effectively validates the parsing of multiple MCP server configurations, which is likely a common real-world use case. The JSON construction and validation are well-implemented.
61-69: Good error handling test for malformed JSON.This test ensures that invalid JSON in the MCP-HEADERS header is handled gracefully, returning an empty dictionary instead of throwing an exception.
72-80: Effective type validation testing.This test ensures that valid JSON with incorrect type (array instead of dictionary) is properly handled by returning an empty dictionary, demonstrating good input validation.
83-91: Comprehensive type validation with null value testing.This test covers the edge case of null JSON values, ensuring robust type validation and consistent error handling behavior.
118-183: Comprehensive async test coverage.The remaining async tests provide excellent coverage for the
mcp_headers_dependencyfunction, ensuring it behaves consistently with the synchronousextract_mcp_headersfunction across all scenarios including valid inputs, invalid JSON, and type validation.
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Description
LCORE-381: Unit tests for extract mcp headers
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