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---
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
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.
