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Test-First Bug Fixing Approach

Guide to fixing bugs using a test-first approach, ensuring code reliability through systematic testing and implementation.

@ilker

about 4 hours agoMarch 21, 2026 at 12:52 PM

development

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bug

I have a bug: . Take a test-first approach: 1) Read the relevant source files and existing tests. 2) Write a failing test that reproduces the exact bug. 3) Run the test suite to confirm it fails. 4) Implement the minimal fix. 5) Re-run the full test suite. 6) If any test fails, analyze the failure, adjust the code, and re-run—repeat until ALL tests pass. 7) Then grep the codebase for related code paths that might have the same issue and add tests for those too. 8) Summarize every change ma...

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