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claude-code

Claude-code-customes test-coverage

Analyzes test coverage and generates missing tests to achieve 80%+ coverage

install
source · Clone the upstream repo
git clone https://github.com/sc30gsw/claude-code-customes
Claude Code · Install into ~/.claude/skills/
T=$(mktemp -d) && git clone --depth=1 https://github.com/sc30gsw/claude-code-customes "$T" && mkdir -p ~/.claude/skills && cp -r "$T/.claude/skills/test-coverage" ~/.claude/skills/sc30gsw-claude-code-customes-test-coverage && rm -rf "$T"
manifest: .claude/skills/test-coverage/SKILL.md
source content

Test Coverage

Analyze test coverage and generate missing tests:

  1. Run tests with coverage: npm test --coverage or pnpm test --coverage

  2. Analyze coverage report (coverage/coverage-summary.json)

  3. Identify files below 80% coverage threshold

  4. For each under-covered file:

    • Analyze untested code paths
    • Generate unit tests for functions
    • Generate integration tests for APIs
    • Generate E2E tests for critical flows

  5. Verify new tests pass

  6. Show before/after coverage metrics

  7. Ensure project reaches 80%+ overall coverage

Focus on:

  • Happy path scenarios
  • Error handling
  • Edge cases (null, undefined, empty)
  • Boundary conditions