# Vitest

> Next generation testing framework powered by Vite

## Table of Contents

### Config Reference

- [Configuring Vitest](/config.md)
- [include | Config](/config/include.md)
- [exclude | Config](/config/exclude.md)
- [includeSource | Config](/config/include-source.md)
- [name | Config](/config/name.md)
- [server | Config](/config/server.md)
- [deps | Config](/config/deps.md)
- [runner | Config](/config/runner.md)
- [benchmark | Config](/config/benchmark.md)
- [alias | Config](/config/alias.md)
- [globals | Config](/config/globals.md)
- [environment | Config](/config/environment.md)
- [environmentOptions | Config](/config/environmentoptions.md)
- [watch | Config](/config/watch.md)
- [watchTriggerPatterns | Config](/config/watchtriggerpatterns.md)
- [root | Config](/config/root.md)
- [dir | Config](/config/dir.md)
- [reporters | Config](/config/reporters.md)
- [outputFile | Config](/config/outputfile.md)
- [pool | Config](/config/pool.md)
- [execArgv | Config](/config/execargv.md)
- [vmMemoryLimit | Config](/config/vmmemorylimit.md)
- [fileParallelism | Config](/config/fileparallelism.md)
- [maxWorkers | Config](/config/maxworkers.md)
- [testTimeout | Config](/config/testtimeout.md)
- [hookTimeout | Config](/config/hooktimeout.md)
- [teardownTimeout | Config](/config/teardowntimeout.md)
- [silent | Config](/config/silent.md)
- [setupFiles | Config](/config/setupfiles.md)
- [provide | Config](/config/provide.md)
- [globalSetup | Config](/config/globalsetup.md)
- [forceRerunTriggers | Config](/config/forcereruntriggers.md)
- [coverage | Config](/config/coverage.md)
- [testNamePattern | Config](/config/testnamepattern.md)
- [ui | Config](/config/ui.md)
- [open | Config](/config/open.md)
- [api | Config](/config/api.md)
- [clearMocks | Config](/config/clearmocks.md)
- [mockReset | Config](/config/mockreset.md)
- [restoreMocks | Config](/config/restoremocks.md)
- [unstubEnvs | Config](/config/unstubenvs.md)
- [unstubGlobals | Config](/config/unstubglobals.md)
- [snapshotFormat | Config](/config/snapshotformat.md)
- [snapshotSerializers | Config](/config/snapshotserializers.md)
- [resolveSnapshotPath | Config](/config/resolvesnapshotpath.md)
- [allowOnly | Config](/config/allowonly.md)
- [passWithNoTests | Config](/config/passwithnotests.md)
- [logHeapUsage | Config](/config/logheapusage.md)
- [css | Config](/config/css.md)
- [maxConcurrency | Config](/config/maxconcurrency.md)
- [cache | Config](/config/cache.md)
- [sequence | Config](/config/sequence.md)
- [typecheck | Config](/config/typecheck.md)
- [slowTestThreshold | Config](/config/slowtestthreshold.md)
- [chaiConfig | Config](/config/chaiconfig.md)
- [bail | Config](/config/bail.md)
- [retry | Config](/config/retry.md)
- [onConsoleLog | Config](/config/onconsolelog.md)
- [onStackTrace | Config](/config/onstacktrace.md)
- [onUnhandledError | Config](/config/onunhandlederror.md)
- [dangerouslyIgnoreUnhandledErrors | Config](/config/dangerouslyignoreunhandlederrors.md)
- [diff | Config](/config/diff.md)
- [fakeTimers | Config](/config/faketimers.md)
- [projects | Config](/config/projects.md)
- [isolate | Config](/config/isolate.md)
- [includeTaskLocation | Config](/config/includetasklocation.md)
- [snapshotEnvironment | Config](/config/snapshotenvironment.md)
- [env | Config](/config/env.md)
- [expect | Config](/config/expect.md)
- [printConsoleTrace | Config](/config/printconsoletrace.md)
- [attachmentsDir | Config](/config/attachmentsdir.md)
- [hideSkippedTests | Config](/config/hideskippedtests.md)
- [mode | Config](/config/mode.md)
- [expandSnapshotDiff | Config](/config/expandsnapshotdiff.md)
- [disableConsoleIntercept | Config](/config/disableconsoleintercept.md)
- [experimental | Config](/config/experimental.md)

### Browser Mode

- [browser.enabled | Config](/config/browser/enabled.md)
- [browser.instances | Config](/config/browser/instances.md)
- [browser.headless | Config](/config/browser/headless.md)
- [browser.isolate | Config](/config/browser/isolate.md)
- [browser.testerHtmlPath | Config](/config/browser/testerhtmlpath.md)
- [browser.api | Config](/config/browser/api.md)
- [browser.provider | Config](/config/browser/provider.md)
- [browser.ui | Config](/config/browser/ui.md)
- [browser.viewport | Config](/config/browser/viewport.md)
- [browser.locators | Config](/config/browser/locators.md)
- [browser.screenshotDirectory | Config](/config/browser/screenshotdirectory.md)
- [browser.screenshotFailures | Config](/config/browser/screenshotfailures.md)
- [browser.orchestratorScripts | Config](/config/browser/orchestratorscripts.md)
- [browser.commands | Config](/config/browser/commands.md)
- [browser.connectTimeout | Config](/config/browser/connecttimeout.md)
- [browser.trace | Config](/config/browser/trace.md)
- [browser.trackUnhandledErrors | Config](/config/browser/trackunhandlederrors.md)
- [browser.expect | Config](/config/browser/expect.md)

#### Providers

- [Configuring Playwright](/config/browser/playwright.md)
- [Configuring WebdriverIO](/config/browser/webdriverio.md)
- [Configuring Preview](/config/browser/preview.md)

### Introduction

- [Why Vitest | Guide](/guide/why.md)
- [Getting Started | Guide](/guide.md)
- [Features | Guide](/guide/features.md)

### Browser Mode

- [Why Browser Mode | Browser Mode](/guide/browser/why.md)
- [Browser Mode | Guide](/guide/browser.md)
- [Multiple Setups](/guide/browser/multiple-setups.md)
- [Component Testing | Guide](/guide/browser/component-testing.md)
- [Visual Regression Testing](/guide/browser/visual-regression-testing.md)
- [Trace View](/guide/browser/trace-view.md)

### Guides

- [Command Line Interface | Guide](/guide/cli.md)
- [Test Filtering | Guide](/guide/filtering.md)
- [Test Context | Guide](/guide/test-context.md)
- [Test Environment | Guide](/guide/environment.md)
- [Test Run Lifecycle | Guide](/guide/lifecycle.md)
- [Snapshot | Guide](/guide/snapshot.md)
- [Mocking | Guide](/guide/mocking.md)
- [Parallelism | Guide](/guide/parallelism.md)
- [Test Projects | Guide](/guide/projects.md)
- [Reporters | Guide](/guide/reporters.md)
- [Coverage | Guide](/guide/coverage.md)
- [Testing Types | Guide](/guide/testing-types.md)
- [Vitest UI | Guide](/guide/ui.md)
- [In-Source Testing | Guide](/guide/in-source.md)
- [Test Annotations | Guide](/guide/test-annotations.md)
- [Extending Matchers | Guide](/guide/extending-matchers.md)
- [IDE Integrations | Guide](/guide/ide.md)
- [Debugging | Guide](/guide/debugging.md)
- [Common Errors | Guide](/guide/common-errors.md)
- [Migration Guide | Guide](/guide/migration.md)
- [Open Telemetry Support  {#open-telemetry-support}](/guide/open-telemetry.md)

#### Mocking

- [Mocking Dates](/guide/mocking/dates.md)
- [Mocking Functions](/guide/mocking/functions.md)
- [Mocking Globals](/guide/mocking/globals.md)
- [Mocking Modules](/guide/mocking/modules.md)
- [Mocking the File System](/guide/mocking/file-system.md)
- [Mocking Requests](/guide/mocking/requests.md)
- [Timers](/guide/mocking/timers.md)
- [Mocking Classes](/guide/mocking/classes.md)

#### Performance

- [Profiling Test Performance](/guide/profiling-test-performance.md)
- [Improving Performance](/guide/improving-performance.md)

### Advanced

- [Advanced API](/guide/advanced.md)
- [Running Tests advanced {#running-tests}](/guide/advanced/tests.md)
- [Extending Reporters advanced {#extending-reporters}](/guide/advanced/reporters.md)
- [Custom Pool advanced {#custom-pool}](/guide/advanced/pool.md)

- [Recipes | Guide](/guide/recipes.md)
- [Comparisons with Other Test Runners | Guide](/guide/comparisons.md)

### Browser Mode

- [Context API | Browser Mode](/api/browser/context.md)
- [Interactivity API | Browser Mode](/api/browser/interactivity.md)
- [Locators | Browser Mode](/api/browser/locators.md)
- [Assertion API | Browser Mode](/api/browser/assertions.md)
- [Commands | Browser Mode](/api/browser/commands.md)

### Advanced

- [Vitest API](/api/advanced/vitest.md)
- [TestProject](/api/advanced/test-project.md)
- [TestSpecification](/api/advanced/test-specification.md)
- [TestCase](/api/advanced/test-case.md)
- [TestSuite](/api/advanced/test-suite.md)
- [TestModule](/api/advanced/test-module.md)
- [TestCollection](/api/advanced/test-collection.md)
- [Plugin API](/api/advanced/plugin.md)
- [Runner API advanced](/api/advanced/runner.md)
- [Reporters](/api/advanced/reporters.md)
- [Task Metadata advanced](/api/advanced/metadata.md)
- [Test Artifacts](/api/advanced/artifacts.md)

### Other

- [assert](/api/assert.md)
- [assertType](/api/assert-type.md)
- [Browser Config Reference | Config](/config/browser.md)
- [expect](/api/expect.md)
- [expectTypeOf](/api/expect-typeof.md)
- [Mocks](/api/mock.md)
- [Remove UnoCSS - Migration Complete](/todo.md)
- [Test API Reference](/api.md)
- [Untitled](/api/advanced/import-example.md)
- [update | Config](/config/update.md)
- [Using Plugins | Guide](/guide/using-plugins.md)
- [Vi](/api/vi.md)