Use for Vue.js testing. Covers Vitest, Vue Test Utils, component testing, mocking, testing patterns, and Playwright for E2E testing.

Vue.js testing best practices, patterns, and common gotchas. Testing Setting up test infrastructure for Vue 3 projects → See [testing vitest recommended for vue](reference/testing vitest recommended for vue.md) Tests keep breaking when refactoring component internals → See [testing component blackbox approach](reference/testing component blackbox approach.md) Tests fail intermittently with race conditions → See [testing async await flushpromises](reference/testing async await flushpromises.md) Composables using lifecycle hooks or inject fail to test → See [testing composables helper wrapper](reference/testing composables helper wrapper.md) Getting "injection Symbol(pinia) not found" errors in tests → See [testing pinia store setup](reference/testing pinia store setup.md) Components with async setup won't render in tests → See [testing suspense async components](reference/testing suspense async components.md) Snapshot tests keep passing despite broken functionality → See [testing no snapshot only](reference/testing no snapshot only.md) Choosing end to end testing framework for Vue apps → See [testing e2e playwright recommended](reference/testing e2e playwright recommended.md) Tests need to verify computed styles or real DOM events → See [testing browser vs node runners](reference/testing browser vs node runners.md) Testing components created with defineAsyncComponent fails → See [async component testing](reference/async component testing.md) Teleported modal content can't be found in wrapper queries → See [teleport testing complexity](reference/teleport testing complexity.md) Reference [Vue.js Testing Guide](https://vuejs.org/guide/scaling up/testing) [Vue Test Utils](https://test utils.vuejs.org/) [Vitest Documentation](https://vitest.dev/) [Playwright Documentation](https://playwright.dev/)

vue-testing-best-practices