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

1. •

   Analyze Requirements:

   • •Understand the "Why" and "What" from specs and user stories.
   • •Identify key scenarios, edge cases, and failure modes.
2. •

   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).
3. •

   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.