test-case-generator

Generate test cases from acceptance criteria.

Activation Keywords

• "test cases", "test plan", "from AC", "test from acceptance"

When to Use

• Converting acceptance criteria to test cases
• Creating test stubs for new features
• Planning test coverage

What This Does

Converts Given/When/Then acceptance criteria into:

• Unit test cases (if applicable)
• Integration test cases (API, database)
• E2E test cases (full user workflow)
• Negative test cases (error scenarios)
• Edge cases (boundary conditions)

Generates test case names, setup steps, assertions, and expected results.

Coordinates with testing and qa agents.

Output

Test case stub at docs/07-testing/test-cases/.md

Example Activation

User: "Generate test cases from user login AC" Skill: Generates:

## Test Cases for User Login (US-0001)

### TC-001: Valid login succeeds
Given: Valid user registered with email/password
When: POST to /api/auth/login with valid credentials
Then: Returns 200 with JWT token (24h expiration)

### TC-002: Wrong password fails
Given: User exists, wrong password provided
When: POST to /api/auth/login
Then: Returns 401 with error message

### TC-003: Rate limiting active
Given: User failed login 5 times
When: Attempt 6th login
Then: Returns 429 Too Many Requests

### TC-004: Invalid email format
Given: Malformed email address
When: POST to /api/auth/login
Then: Returns 400 Bad Request

### Edge Cases
- Empty email/password
- SQL injection attempts
- Token validation after expiration