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Title: Component Testing | Guide | Vitest

Open Graph Title: Vitest

Description: Next generation testing framework powered by Vite

Open Graph Description: Next generation testing framework powered by Vite

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Opengraph URL: https://vitest.dev/

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Domain: vitest.dev

theme-color#22FF84
authorVladimir, Anthony Fu, Ari Perkkiö, Hiroshi Ogawa, Patak, Joaquín Sánchez and Vitest contributors
og:imagehttps://vitest.dev/og.jpg
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Links:

Skip to contenthttps://vitest.dev/guide/browser/component-testing#VPContent
https://vitest.dev/
Guideshttps://vitest.dev/guide/
APIhttps://vitest.dev/api/test
Confighttps://vitest.dev/config/
Bloghttps://vitest.dev/blog
v4.1.9https://github.com/vitest-dev/vitest/releases/tag/v4.1.9
Releases Noteshttps://github.com/vitest-dev/vitest/releases
Contributinghttps://github.com/vitest-dev/vitest/blob/main/CONTRIBUTING.md
Teamhttps://vitest.dev/team
unreleasedhttps://main.vitest.dev/
v3.xhttps://v3.vitest.dev/
v2.xhttps://v2.vitest.dev/
v1.xhttps://v1.vitest.dev/
v0.xhttps://v0.vitest.dev/
简体中文https://cn.vitest.dev/guide/browser/component-testing
https://bsky.app/profile/vitest.dev
https://elk.zone/m.webtoo.ls/@vitest
https://chat.vitest.dev
https://github.com/vitest-dev/vitest
简体中文https://cn.vitest.dev/guide/browser/component-testing
https://bsky.app/profile/vitest.dev
https://elk.zone/m.webtoo.ls/@vitest
https://chat.vitest.dev
https://github.com/vitest-dev/vitest
Why Vitesthttps://vitest.dev/guide/why
Getting Startedhttps://vitest.dev/guide/
Featureshttps://vitest.dev/guide/features
Writing Testshttps://vitest.dev/guide/learn/writing-tests
Using Matchershttps://vitest.dev/guide/learn/matchers
Testing Async Codehttps://vitest.dev/guide/learn/async
Setup and Teardownhttps://vitest.dev/guide/learn/setup-teardown
Mock Functionshttps://vitest.dev/guide/learn/mock-functions
Snapshot Testinghttps://vitest.dev/guide/learn/snapshots
Testing in Practicehttps://vitest.dev/guide/learn/testing-in-practice
Debugging Testshttps://vitest.dev/guide/learn/debugging-tests
Writing Tests with AIhttps://vitest.dev/guide/learn/writing-tests-with-ai
Why Browser Modehttps://vitest.dev/guide/browser/why
Getting Startedhttps://vitest.dev/guide/browser/
Multiple Setupshttps://vitest.dev/guide/browser/multiple-setups
Component Testinghttps://vitest.dev/guide/browser/component-testing
Visual Regression Testinghttps://vitest.dev/guide/browser/visual-regression-testing
Trace Viewhttps://vitest.dev/guide/browser/trace-view
ARIA Snapshotshttps://vitest.dev/guide/browser/aria-snapshots
CLIhttps://vitest.dev/guide/cli
Test Filteringhttps://vitest.dev/guide/filtering
Test Tagshttps://vitest.dev/guide/test-tags
Test Contexthttps://vitest.dev/guide/test-context
Test Environmenthttps://vitest.dev/guide/environment
Test Run Lifecyclehttps://vitest.dev/guide/lifecycle
Snapshothttps://vitest.dev/guide/snapshot
Mockinghttps://vitest.dev/guide/mocking
Dateshttps://vitest.dev/guide/mocking/dates
Functionshttps://vitest.dev/guide/mocking/functions
Globalshttps://vitest.dev/guide/mocking/globals
Moduleshttps://vitest.dev/guide/mocking/modules
File Systemhttps://vitest.dev/guide/mocking/file-system
Requestshttps://vitest.dev/guide/mocking/requests
Timershttps://vitest.dev/guide/mocking/timers
Classeshttps://vitest.dev/guide/mocking/classes
Parallelismhttps://vitest.dev/guide/parallelism
Test Projectshttps://vitest.dev/guide/projects
Reportershttps://vitest.dev/guide/reporters
Coveragehttps://vitest.dev/guide/coverage
Testing Typeshttps://vitest.dev/guide/testing-types
Vitest UIhttps://vitest.dev/guide/ui
In-Source Testinghttps://vitest.dev/guide/in-source
Test Annotationshttps://vitest.dev/guide/test-annotations
Extending Matchershttps://vitest.dev/guide/extending-matchers
IDE Integrationhttps://vitest.dev/guide/ide
Debugginghttps://vitest.dev/guide/debugging
Common Errorshttps://vitest.dev/guide/common-errors
Migration Guidehttps://vitest.dev/guide/migration
Migrating to Vitest 4.0https://vitest.dev/guide/migration#vitest-4
Migrating from Jesthttps://vitest.dev/guide/migration#jest
Migrating from Mocha + Chai + Sinonhttps://vitest.dev/guide/migration#mocha-chai-sinon
Profiling Test Performancehttps://vitest.dev/guide/profiling-test-performance
Improving Performancehttps://vitest.dev/guide/improving-performance
OpenTelemetryhttps://vitest.dev/guide/open-telemetry
Getting Startedhttps://vitest.dev/guide/advanced/
Running Tests via APIhttps://vitest.dev/guide/advanced/tests
Extending Reportershttps://vitest.dev/guide/advanced/reporters
Custom Poolhttps://vitest.dev/guide/advanced/pool
Recipeshttps://vitest.dev/guide/recipes
Comparisonshttps://vitest.dev/guide/comparisons
​https://vitest.dev/guide/browser/component-testing#component-testing
​https://vitest.dev/guide/browser/component-testing#why-component-testing
​https://vitest.dev/guide/browser/component-testing#browser-mode-for-component-testing
​https://vitest.dev/guide/browser/component-testing#why-browser-mode
​https://vitest.dev/guide/browser/component-testing#purpose-of-this-guide
Browser Mode documentationhttps://vitest.dev/guide/browser/
​https://vitest.dev/guide/browser/component-testing#what-makes-a-good-component-test
​https://vitest.dev/guide/browser/component-testing#component-testing-hierarchy
​https://vitest.dev/guide/browser/component-testing#component-testing-strategies
​https://vitest.dev/guide/browser/component-testing#isolation-strategy
​https://vitest.dev/guide/browser/component-testing#integration-strategy
​https://vitest.dev/guide/browser/component-testing#testing-library-integration
vitest-browser-vuehttps://npmx.dev/package/vitest-browser-vue
vitest-browser-reacthttps://npmx.dev/package/vitest-browser-react
vitest-browser-sveltehttps://npmx.dev/package/vitest-browser-svelte
Testing Libraryhttps://testing-library.com/
​https://vitest.dev/guide/browser/component-testing#when-to-use-testing-library
​https://vitest.dev/guide/browser/component-testing#integration-pattern
​https://vitest.dev/guide/browser/component-testing#available-testing-library-packages
@testing-library/solidhttps://github.com/solidjs/solid-testing-library
@marko/testing-libraryhttps://testing-library.com/docs/marko-testing-library/intro
@testing-library/sveltehttps://testing-library.com/docs/svelte-testing-library/intro
vitest-browser-sveltehttps://npmx.dev/package/vitest-browser-svelte
@testing-library/vuehttps://testing-library.com/docs/vue-testing-library/intro
vitest-browser-vuehttps://npmx.dev/package/vitest-browser-vue
​https://vitest.dev/guide/browser/component-testing#best-practices
​https://vitest.dev/guide/browser/component-testing#_1-use-browser-mode-for-ci-cd
​https://vitest.dev/guide/browser/component-testing#_2-test-user-interactions
Interactivity APIhttps://vitest.dev/api/browser/interactivity
Advanced Testing Patternshttps://vitest.dev/guide/browser/component-testing#advanced-testing-patterns
​https://vitest.dev/guide/browser/component-testing#_3-test-accessibility
Testing Accessibilityhttps://vitest.dev/guide/browser/component-testing#testing-accessibility
​https://vitest.dev/guide/browser/component-testing#_4-mock-external-dependencies
Isolation Strategyhttps://vitest.dev/guide/browser/component-testing#isolation-strategy
​https://vitest.dev/guide/browser/component-testing#_5-use-meaningful-test-descriptions
​https://vitest.dev/guide/browser/component-testing#advanced-testing-patterns
​https://vitest.dev/guide/browser/component-testing#testing-component-state-management
​https://vitest.dev/guide/browser/component-testing#testing-async-components-with-data-fetching
using MSW in the browserhttps://mswjs.io/docs/integrations/browser
​https://vitest.dev/guide/browser/component-testing#testing-component-communication
​https://vitest.dev/guide/browser/component-testing#testing-complex-forms-with-validation
​https://vitest.dev/guide/browser/component-testing#testing-error-boundaries
​https://vitest.dev/guide/browser/component-testing#testing-accessibility
​https://vitest.dev/guide/browser/component-testing#debugging-component-tests
​https://vitest.dev/guide/browser/component-testing#_1-use-browser-dev-tools
​https://vitest.dev/guide/browser/component-testing#_2-add-debug-statements
​https://vitest.dev/guide/browser/component-testing#_3-inspect-rendered-output
​https://vitest.dev/guide/browser/component-testing#_4-verify-selectors
​https://vitest.dev/guide/browser/component-testing#_5-debugging-async-issues
​https://vitest.dev/guide/browser/component-testing#migration-from-other-testing-frameworks
​https://vitest.dev/guide/browser/component-testing#from-jest-testing-library
​https://vitest.dev/guide/browser/component-testing#key-differences
​https://vitest.dev/guide/browser/component-testing#learn-more
Browser Mode Documentationhttps://vitest.dev/guide/browser/
Assertion APIhttps://vitest.dev/api/browser/assertions
Interactivity APIhttps://vitest.dev/api/browser/interactivity
Example Repositoryhttps://github.com/vitest-tests/browser-examples
Suggest changes to this pagehttps://github.com/vitest-dev/vitest/edit/main/docs/guide/browser/component-testing.md
Previous pageMultiple Setups | Browser Modehttps://vitest.dev/guide/browser/multiple-setups
Next pageVisual Regression Testing | Browser Modehttps://vitest.dev/guide/browser/visual-regression-testing

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