Enforce NO MOCKS testing philosophy with real systems. Iron Law: no mock objects, no unit tests, no stubs. Test with real browsers (Puppeteer MCP), real databases, real APIs. Enforced via post_tool_use.py hook. Use when: writing any tests, tempted to use mocks, need testing guidance.
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anti-patterns/mock-violations.mdexamples/puppeteer-browser-test.mdreferences/TESTING_PHILOSOPHY.mdtest-scenarios/GREEN_PHASE_COMPLIANCE.mdtest-scenarios/RED_PHASE_BASELINE.mdtest-scenarios/REFACTOR_PHASE_MAXIMUM_PRESSURE.md