api-test-suite-builder

Topics in the source

• API Test Suite Builder
• Overview
• Core Capabilities
• When to Use
• Route Detection
• Next.js App Router
• Express
• FastAPI

Tier: POWERFUL Category: Engineering Domain: Testing / API Quality -- Scans API route definitions across frameworks (Next.js App Router, Express, FastAPI, Django REST) and auto-generates comprehensive test suites covering auth, input validation, error codes, pagination, file uploads, and rate limiting. Outputs ready-to-run test files for Vitest+Supertest (Node) or Pytest+httpx (Python). -- Route detection — scan source files to extract all API endpoints Auth coverage — valid/invalid/expired tokens, missing auth header Input validation — missing fields, wrong types, boundary values, injection attempts Error code matrix — 400/401/403/404/422/500 for each route Pagination — first/last/empty/oversized pages File uploads — valid, oversized, wrong MIME type, empty Rate limiting — burst detection, per-user vs global limits -- New API added — generate test scaffold before writing implementation (TDD) Legacy API with no tests — scan and generate baseline coverage API contract review — verify existing tests match current route definitions Pre-release regression check — ensure all routes have at least smoke tests Security audit prep — generate adversarial input tests -- -- For every authentic

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