vue-testing-best-practices

Comprehensive Vue.js testing guidance covering unit, component, and end-to-end testing strategies. Vue.js testing best practices, patterns, and common gotchas. - Addresses 11 common testing challenges including async handling, composable testing, Pinia store setup, Suspense components, and Teleport queries - Recommends Vitest for unit and component testing infrastructure, with Playwright as the preferred E2E framework - Covers black-box component testing patterns to prevent brittle tests during refactoring, async/await patterns to eliminate race conditions, and snapshot test anti-patterns - Includes guidance on browser vs. Node.js test runners for DOM event verification and computed style testing - Setting up test infrastructure for Vue 3 projects → See testing-vitest-recommended-for-vue - Tests keep breaking when refactoring component internals → See testing-component-blackbox-approach - Tests fail intermittently with race conditions → See testing-async-await-flushpromises - Composables using lifecycle hooks or inject fail to test → See testing-composables-helper-wrapper - Getting "injection Symbol(pinia) not found" errors in tests → See testing-pinia-store-setup - Components with async setup won't render in tests → See testing-suspense-async-components - Snapshot tests keep passing despite broken functionality → See testing-no-snapshot-only - Choosing end-to-end testing...