Testing
Cloudflare Workers Testing: Miniflare and Wrangler Test Strategies
Cloudflare Workers run in the V8 isolate runtime, not Node.js. Testing them requires either Miniflare (a local Workers simulator) or Wrangler's built-in test integration with Vitest. Use Vitest + Wrangler for the most accurate tests—they run in the actual Workers runtime, not a simulation. Test KV,