Individual skill
tdd
Test-driven development with red-green-refactor.
skills/tdd/SKILL.md
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SKILL.mdcore · 4,723 bytesreferences/assert-custom-matchers.mddoc · 2,312 bytesreferences/assert-error-messages.mddoc · 1,888 bytesreferences/assert-no-assertions-antipattern.mddoc · 2,231 bytesreferences/assert-snapshot-testing.mddoc · 2,143 bytesreferences/assert-specific-assertions.mddoc · 1,941 bytesreferences/cycle-maintain-test-list.mddoc · 2,010 bytesreferences/cycle-minimal-code-to-pass.mddoc · 1,811 bytesreferences/cycle-refactor-after-green.mddoc · 1,856 bytesreferences/cycle-small-increments.mddoc · 2,135 bytesreferences/cycle-verify-test-fails-first.mddoc · 1,847 bytesreferences/cycle-write-test-first.mddoc · 1,999 bytesreferences/data-avoid-mystery-guests.mddoc · 2,034 bytesreferences/data-builder-pattern.mddoc · 2,623 bytesreferences/data-minimal-setup.mddoc · 1,824 bytesreferences/data-unique-identifiers.mddoc · 2,328 bytesreferences/data-use-factories.mddoc · 2,305 bytesreferences/design-aaa-pattern.mddoc · 2,085 bytesreferences/design-avoid-logic-in-tests.mddoc · 2,351 bytesreferences/design-descriptive-test-names.mddoc · 1,788 bytesreferences/design-one-assertion-per-test.mddoc · 2,292 bytesreferences/design-test-behavior-not-implementation.mddoc · 2,012 bytesreferences/design-test-edge-cases.mddoc · 2,490 bytesreferences/isolate-deterministic-tests.mddoc · 2,201 bytesreferences/isolate-mock-external-dependencies.mddoc · 1,839 bytesreferences/isolate-no-shared-state.mddoc · 1,822 bytesreferences/isolate-prefer-stubs-over-mocks.mddoc · 2,421 bytesreferences/isolate-use-dependency-injection.mddoc · 2,520 bytesreferences/org-file-structure.mddoc · 1,639 bytesreferences/org-group-by-behavior.mddoc · 2,133 bytesreferences/org-parameterized-tests.mddoc · 2,440 bytesreferences/org-setup-teardown.mddoc · 2,378 bytesreferences/org-test-utilities.mddoc · 2,391 bytesreferences/perf-avoid-network-calls.mddoc · 2,086 bytesreferences/perf-avoid-sleep.mddoc · 2,219 bytesreferences/perf-fast-unit-tests.mddoc · 2,069 bytesreferences/perf-fix-flaky-tests.mddoc · 2,284 bytesreferences/perf-parallelize-tests.mddoc · 2,319 bytesreferences/strat-coverage-targets.mddoc · 2,253 bytesreferences/strat-e2e-critical-paths.mddoc · 2,510 bytesreferences/strat-integration-boundaries.mddoc · 2,448 bytesreferences/strat-mutation-testing.mddoc · 2,124 bytesreferences/strat-test-pyramid.mddoc · 2,373 bytes
Read excerpt
# Community Test-Driven Development Best Practices
Comprehensive guide to Test-Driven Development practices, designed for AI agents and LLMs. Contains 42 rules across 8 categories, prioritized by impact to guide test writing, refactoring, and code generation.
## When to Apply
Reference these guidelines when:
- Writing new tests using TDD workflow
- Implementing the red-green-refactor cycle
- Designing test structure and organization
- Creating test data and fixtures
- Reviewing or refactoring existing test suites
## TDD Workflow