Supabase
Testing Supabase Edge Functions with Deno
Supabase Edge Functions run on Deno Deploy — a V8-isolate runtime that is fast to cold-start and strict about permissions.
Deno
Latest
Testing
Deno Testing Guide: Built-in Test Runner and Assertions (2026)
Deno ships with a built-in test runner. No configuration, no separate test framework, no package.json scripts to set up. Run deno test and you're testing.
Testing
Deno Unit Testing: Mocking, Spies and Stubs with std/mock (2026)
Deno's standard library provides @std/mock for test doubles — spies, stubs, and fake timers.
Testing
Testing Deno KV: Patterns for Ephemeral and Persistent State (2026)
Deno KV is a key-value store built into the Deno runtime. In development, it uses SQLite. In Deno Deploy, it uses FoundationDB.
Testing
Deno Integration Testing: HTTP Routes and Database Calls (2026)
Integration tests verify that your Deno application's components work together — that HTTP routes return the right responses, that database queries return the right data, that error handling works end-to-end. They bridge the gap between unit tests (which verify logic in isolation) and E2E tests (which run
Testing
Testing Deno Fresh Routes, Islands and Middleware (2026)
Deno Fresh is a full-stack framework built on Deno, Preact, and server-side rendering.