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implement-and-test

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Implement feature with interleaved testing

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How to use this skill

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  3. Review the proposed files and risks before you approve installation.
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I want to install this Agent Skill for this project in Codex.

Source SKILL.md: https://github.com/majiayu000/claude-skill-registry/blob/HEAD/skills/development/implement-and-test-anton-pt-algojuke-2/SKILL.md

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Copying this prompt does not install or run the skill. Review third-party files before use. Codex skill guide

Implement Feature with Interleaved Testing

Implement the current feature by following the spec, with interleaved testing after each user story.

User arguments: $ARGUMENTS

Instructions for Claude

You MUST follow these steps:

  1. Get current feature number from branch:

    BRANCH=$(git rev-parse --abbrev-ref HEAD)
NUM=$(echo "$BRANCH" | grep -oE 'alg-([0-9]+)' | grep -oE '[0-9]+')

  2. Read context files:

    • Read specs/alg-${NUM}-*/spec.md - User stories, requirements, acceptance criteria (REQUIRED)
    • Check if specs/alg-${NUM}-*/research.md exists - Implementation patterns, files to modify (OPTIONAL)

  3. Create a todo list with all user stories from the spec (P1 first, then P2, P3)

  4. For each user story, follow this interleaved pattern:

    • Mark the todo as in_progress
    • Implement the functionality (follow research.md patterns if present, otherwise existing codebase patterns)
    • Commit implementation: git commit -m "feat(scope): description ALG-${NUM}"
    • Write unit tests for the implemented functionality
    • Write integration tests if needed (multi-component, database, API, or e2e)
    • Run tests: npm test --workspaces --if-present
    • Fix any failing tests before proceeding
    • Commit tests: git commit -m "test(scope): description ALG-${NUM}"
    • Mark the todo as completed

  5. Final verification:

    • Run: npm run type-check --workspaces --if-present
    • Run: npm test --workspaces --if-present
    • Ensure all checks pass

CRITICAL: Do NOT batch all implementation then all tests. Interleave them - implement one story, test it, commit, then move to the next.

Commit Conventions

Follow Conventional Commits:

Types: feat, fix, test, refactor, perf, docs, chore, ci, build

Examples:

git commit -m "feat(search): add semantic search service ALG-27"
git commit -m "test(search): add semantic search tests ALG-27"
git commit -m "fix(api): handle null response from Tidal ALG-27"

When to Write Integration Tests

Write integration tests when the user story involves:

  • Database operations (TypeORM entities, queries)
  • External API calls (Tidal, Qdrant, etc.)
  • Multi-service coordination
  • GraphQL resolver chains
  • End-to-end user flows