By name: test-generator description: Generate comprehensive test suites ensuring requirements are met. Strategies for Unit, Integration, and E2E testing.
Test Generation and Strategy
Overview
Use this skill to systematically test features by generating high-quality test cases based on specifications and architectural design.
Workflow
Analyze Requirements:
- Understand the "Why" and "What" from specs and user stories.
- Identify key scenarios, edge cases, and failure modes.
Define Test Strategy:
- Unit Tests: Test individual functions/methods in isolation. Mock external dependencies.
- Integration Tests: Test interactions between modules (e.g., API + Database).
- End-to-End (E2E) Tests: Test complete user flows from frontend to backend.
- Pyramid: Ideally follow the test pyramid (Many Unit > Some Integration > Few E2E).
Generate Test Code:
- Write test cases before implementation if possible (TDD).
- Use established testing frameworks (Jest, PyTest, Mocha, Cypress, Playwright).
- Ensure descriptive test names:
it("should return 404 when user not found"). - Apply AAA pattern: Arrange, Act, Assert.
Quality Checklist
- Coverage: Do tests cover positive, negative, and edge cases?
- Isolation: Are unit tests independent and fast?
- Reliability: Are tests deterministic (no flaky tests)?
- Mocking: Are external services mocked appropriately?
Output
- Fully functional test files.
- Instructions on how to run tests.
- Suggestions for coverage improvements.