Async-Testing on Codeslog https://www.codeslog.com/en/tags/async-testing/ Recent content in Async-Testing on Codeslog Codeslog https://www.codeslog.com/images/default-cover.png?v=20260114T1436 https://www.codeslog.com/images/default-cover.png?v=20260114T1436 Hugo -- 0.150.0 en-US Wed, 08 Jul 2026 00:27:00 +0900 Testing Async Code, Timers, and Errors https://www.codeslog.com/en/posts/frontend-testing-async/ Wed, 08 Jul 2026 00:27:00 +0900 https://www.codeslog.com/en/posts/frontend-testing-async/ Promises, setTimeout, and the failure cases. Test frontend async code reliably with Vitest's resolves/rejects matchers and fake timers — no real waiting, no flakiness.