Use when implementing any feature or bugfix, before writing implementation code
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Use when implementing any feature or bugfix, before writing implementation code
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Test-driven development with red-green-refactor loop. Use when user wants to build features or fix bugs using TDD, mentions "red-green-refactor", wants integration tests, or asks for test-first development.
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Test-driven development with red-green-refactor loop. Use when user wants to build features or fix bugs using TDD, mentions "red-green-refactor", wants integration tests, or asks for test-first development.
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Use when the user asks to implement an approved SPEC SDD using test-driven development.
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BEFORE writing/changing tests, mocks, or test-only methods on production classes — mocking-the-mock, production pollution, overfit assertions; for order, `test-driven-development` wins.
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Implementing a feature, fixing a bug, refactoring — failing test first, then the code. For a WRONG test, `testing-anti-patterns` wins.
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Use when implementing any feature or bugfix, before writing implementation code
The English summary is being prepared. Showing the original description.
Test-driven development. Use when the user wants to build features or fix bugs test-first, mentions "red-green-refactor", or wants integration tests.
The English summary is being prepared. Showing the original description.
Use when implementing any feature or bugfix, before writing implementation code
The English summary is being prepared. Showing the original description.
Test-driven development. Use when the user wants to build features or fix bugs test-first, mentions "red-green-refactor", or wants integration tests.
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Drives development with tests. Use when implementing any logic, fixing any bug, or changing any behavior. Use when you need to prove that code works, when a bug report arrives, or when you're about to modify existing functionality.
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Patterns and techniques for evaluating and improving AI agent outputs. Use this skill when: - Implementing self-critique and reflection loops - Building evaluator-optimizer pipelines for quality-critical generation - Creating test-driven code refinement workflows - Designing rubric-based or LLM-as-judge evaluation systems - Adding iterative improvement to agent outputs (code, reports, analysis) - Measuring and improving agent response quality
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TDD methodology for production-quality tests. Write tests FIRST driven by PRD, Tech Spec, Implementation Plan. Covers minimal mocking, realistic test data, strong assertions, test independence.
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Use before feature, bugfix, or refactor implementation when behavior can be tested; enforces Red-Green-Refactor discipline.
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Test-driven development with red-green-refactor and behavior-focused tests. Use when the user explicitly wants test-first work, a regression test before a fix, or integration tests that drive a feature through a public interface.
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Implement one scoped slice using TDD red-green-refactor. Use when ready to write code for a defined slice of work, or when the user wants test-driven development.
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TDD: enforce RED-GREEN-REFACTOR, tests before code.
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Teststrategie-Berater für Softwareprojekte — wählt die richtigen Teststufen (Unit/Integration/System/Abnahme), Testarten (funktional, nicht-funktional, änderungsbezogen) und Testentwurfsverfahren (Äquivalenzklassen, Grenzwerte, Entscheidungstabellen, explorativ) für die jeweilige Situation und SDLC-/CI-Phase, inkl. Testpyramide, CI/CD-Gates, Shift-Left und Best Practices. Nutze diesen Skill IMMER, wenn Tests geschrieben, geplant, priorisiert oder bewertet werden sollen — bei "schreibe Tests", "Teststrategie", "Testplan", "Testkonzept", "was/wie soll ich testen", "welche Tests fehlen", "Testabdeckung verbessern", "QA aufsetzen", Fragen zu Regression/Smoke/Sanity/Last/Stress/Security-Tests oder beim Einrichten einer Test-Pipeline — auch wenn "Test" nur beiläufig fällt. Abgrenzung — für die TDD-Schleife selbst superpowers:test-driven-development, für Bug-Diagnose bugfix-protocol, für systematische Bug-Suche bugsweep nutzen.
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Use when implementing features or fixing bugs with strict Test-Driven Development (TDD). Activate for coding tasks that require new functionality, refactoring, or comprehensive test coverage, especially when the user mentions TDD or Test Driven Development.
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Use test-driven development for behavior-changing feature or fix work, and whenever the user mentions TDD, test-first, red-green-refactor, tracer bullets, integration tests, or public-interface behavior tests. Skip for docs-only, path-only rename, formatting-only, or purely mechanical chores unless explicitly requested.
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Test-driven development. Use when the user wants to build features or fix bugs test-first, mentions "red-green-refactor", or wants integration tests.
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Test-driven development. Use when the user wants to build features or fix bugs test-first, mentions "red-green-refactor", or wants integration tests.
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Master Bash Automated Testing System (Bats) for comprehensive shell script testing. Use when writing tests for shell scripts, CI/CD pipelines, or requiring test-driven development of shell utilities.
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Implement comprehensive testing strategies with pytest, fixtures, mocking, and test-driven development. Use when writing Python tests, setting up test suites, or implementing testing best practices.
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