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claude-howto/01-slash-commands/unit-test-expand.md
Luong NGUYEN 0fcac18357 docs: Add blog post and new slash commands for development workflow
- Add blog post: 4 Essential Slash Commands I Use in Every Project
- Add new slash commands: /doc-refactor, /setup-ci-cd, /unit-test-expand
- Update slash-commands README with comprehensive documentation
- Simplify /push-all command structure
- Archive add-blog-post-slash-commands change
- Add blog-post spec and pending openspec changes
2025-12-26 11:02:19 +01:00

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Expand Unit Tests Increase test coverage by targeting untested branches and edge cases testing, coverage, unit-tests

Expand Unit Tests

Expand existing unit tests adapted to project's testing framework:

  1. Analyze coverage: Run coverage report to identify untested branches, edge cases, and low-coverage areas
  2. Identify gaps: Review code for logical branches, error paths, boundary conditions, null/empty inputs
  3. Write tests using project's framework:
    • Jest/Vitest/Mocha (JavaScript/TypeScript)
    • pytest/unittest (Python)
    • Go testing/testify (Go)
    • Rust test framework (Rust)
  4. Target specific scenarios:
    • Error handling and exceptions
    • Boundary values (min/max, empty, null)
    • Edge cases and corner cases
    • State transitions and side effects
  5. Verify improvement: Run coverage again, confirm measurable increase

Present new test code blocks only. Follow existing test patterns and naming conventions.