test
ng test [project] [options]ng t [project] [options]Takes the name of the project, as specified in the projects section of the angular.json workspace configuration file.
When a project name is not supplied, it will execute for all projects.
Builders
This command has the following builders
Arguments
projectThe name of the project to run the command for. Can be an application or a library.
stringOptions
configurationcOne or more named builder configurations as a comma-separated list as specified in the "configurations" section in angular.json. The builder uses the named configurations to run the given target. For more information, see https://angular.dev/reference/configs/workspace-config#alternate-build-configurations.
stringhelpShows a help message for this command in the console.
booleanUnit-test builder options
browser-viewportSpecifies the browser viewport dimensions for browser-based tests in the format widthxheight.
stringbrowsersSpecifies the browsers to use for test execution. When not specified, the Vitest runner runs tests in a Node.js environment using happy-dom if it is installed, otherwise jsdom, and the Karma runner uses the browsers of its configuration. Browser names ending with Headless enable headless mode (e.g., ChromiumHeadless for Vitest with the Playwright provider, or ChromeHeadless for Karma).
arraybuild-targetSpecifies the build target to use for the unit test build in the format project:target[:configuration]. This defaults to the build target of the current project with the development configuration. You can also pass a comma-separated list of configurations. Example: project:target:production,staging.
stringcoverageEnables coverage reporting for tests. If not specified, the coverage configuration from a runner configuration file will be used if present. Otherwise, coverage is disabled by default.
booleancoverage-excludeSpecifies glob patterns of files to exclude from the coverage report.
arraycoverage-includeSpecifies glob patterns of files to include in the coverage report.
arraycoverage-reportersSpecifies the reporters to use for coverage results. Each reporter can be a string representing its name, or a tuple containing the name and an options object. Built-in reporters include 'html', 'lcov', 'lcovonly', 'text', 'text-summary', 'cobertura', 'json', and 'json-summary'.
arrayAllowed Valuescobertura, html, json, json-summary, lcov, lcovonly, text, text-summarydebugEnables debugging mode for tests, allowing the use of the Node Inspector.
booleanDefaultfalseexcludeSpecifies glob patterns of files to exclude from testing, relative to the project source root.
arrayfilterSpecifies a regular expression pattern to match against test suite and test names. Only tests with a name matching the pattern will be executed. For example, ^App will run only tests in suites beginning with 'App'.
stringheadlessForces all configured browsers to run in headless mode. When using the Vitest runner, this option is ignored if no browsers are configured. The Karma runner does not support this option.
booleanincludeSpecifies glob patterns of files to include for testing, relative to the project source root. This option also has special handling for directory paths (includes all test files within) and file paths (includes the corresponding test file if one exists).
arrayDefault**/*.spec.ts,**/*.test.tsisolateEnables isolation for test execution. When true, Vitest runs tests in separate threads or processes. This option is only available for the Vitest runner. Defaults to false to align with the Karma/Jasmine experience.
booleanlist-testsLists all discovered test files and exits the process without building or executing the tests.
booleanDefaultfalseoutput-fileSpecifies a file path for the test report. This path is used by every configured reporter that writes to a file. To write a separate file for each reporter, use the tuple format ['reporter-name', { outputFile: '...' }] within the reporters option. When not provided, output is written to the console.
stringpolyfillsA list of polyfills to include in the build. Can be a full path for a file, relative to the current workspace or module specifier. Example: 'zone.js'. If not specified, polyfills will be inherited from the build target.
arrayprogressShows build progress information in the console. Defaults to the progress setting of the specified buildTarget.
booleanproviders-fileSpecifies the path to a TypeScript file that provides an array of Angular providers for the test environment. The file must contain a default export of the provider array.
stringquietSuppresses the verbose build summary and stats table on each rebuild. Defaults to true locally and false in CI environments.
booleanreportersSpecifies the reporters to use during test execution. Each reporter can be a string representing its name, or a tuple containing the name and an options object. Built-in reporters include 'default', 'verbose', 'dots', 'json', 'junit', 'tap', 'tap-flat', and 'html'. You can also provide a path to a custom reporter.
arrayrunnerSpecifies the test runner to use for test execution.
stringAllowed Valueskarma, vitestDefaultvitestrunner-configSpecifies the configuration file for the selected test runner. If a string is provided, it will be used as the path to the configuration file. If true, the builder will search for a default configuration file (e.g., vitest-base.config.mts or karma.conf.js). If false, no external configuration file will be used.\nFor Vitest, this enables advanced options and the use of custom plugins. Please note that while the file is loaded, the Angular team does not provide direct support for its specific contents or any third-party plugins used within it.
stringsetup-filesA list of paths to global setup files that are executed before the test files. The application's polyfills and the Angular TestBed are always initialized before these files.
arraysplittingEnables code splitting for test execution. When enabled, shared code between test files is split into separate chunks. Issues with live ESM bindings in Node.js environments (such as uninitialized exports or mocking failures) can be resolved by disabling splitting. This option is only available for the Vitest runner.
booleanDefaulttruets-configThe path to the TypeScript configuration file, relative to the workspace root. Defaults to tsconfig.spec.json in the project root if it exists. If not specified and the default does not exist, the tsConfig from the specified buildTarget will be used.
stringuiEnables the Vitest UI for interactive test execution. This option is only available for the Vitest runner.
booleanwatchEnables watch mode, which re-runs tests when source files change. Defaults to true in TTY environments and false otherwise.
booleanKarma builder options
aotRun tests using Ahead of Time compilation.
booleanDefaultfalsebrowsersOverride which browsers tests are run against. Set to false to not use any browser.
stringcode-coverageOutput a code coverage report.
booleanDefaultfalsecode-coverage-excludeGlobs to exclude from code coverage.
arraydefineDefines global identifiers that will be replaced with a specified constant value when found in any JavaScript or TypeScript code including libraries. The value will be used directly. String values must be put in quotes. Identifiers within Angular metadata such as Component Decorators will not be replaced.
arrayexcludeGlobs of files to exclude, relative to the project source root.
arrayexternal-dependenciesExclude the listed external dependencies from being bundled into the bundle. Instead, the created bundle relies on these dependencies to be available during runtime.
arrayincludeGlobs of files to include, relative to the project source root. There are 2 special cases:
- when a path to a directory is provided, all test files ending ".@(spec|test).@(ts|tsx)" will be included
- when a path to a file is provided, and a matching test file exists, it will be included instead.
arrayDefault**/*.spec.tsinline-style-languageThe stylesheet language to use for the application's inline component styles.
stringAllowed Valuescss, less, sass, scssDefaultcsskarma-configThe name of the Karma configuration file.
stringmainThe name of the main entry-point file.
stringpollEnable and define the file watching poll time period in milliseconds.
numberpolyfillsA list of polyfills to include in the build. Can be a full path for a file, relative to the current workspace or module specifier. Example: 'zone.js'.
arraypreserve-symlinksDo not use the real path when resolving modules. If unset then will default to true if NodeJS option --preserve-symlinks is set.
booleanprogressLog progress to the console while building.
booleanDefaulttruereportersKarma reporters to use. Directly passed to the karma runner.
arrayscriptsGlobal scripts to be included in the build.
arraysource-mapOutput source maps for scripts and styles. For more information, see https://angular.dev/reference/configs/workspace-config#source-map-configuration.
booleanDefaulttruestylesGlobal styles to be included in the build.
arrayts-configThe name of the TypeScript configuration file.
stringwatchRe-run tests when source files change.
booleanDefaulttrueweb-worker-ts-configTypeScript configuration for Web Worker modules.
string