@jest/reporters
Advanced tools
Package description
The @jest/reporters package provides utilities for handling and customizing the output of test results when using Jest, a popular JavaScript testing framework. It allows developers to create custom reporters to modify how test results are reported, making it easier to integrate with various CI tools, generate reports in different formats, or enhance the testing experience with additional logging and notifications.
Custom Test Reporter
This feature allows developers to create a custom test reporter by implementing methods that Jest calls at different stages of the test run. The example shows a basic custom reporter that logs messages at the start and end of the test suite, as well as after each test result.
class MyCustomReporter {
onRunStart(results, options) {
console.log('Test suite started');
}
onTestResult(test, testResult, aggregatedResult) {
console.log(`Test ${test.path} finished with ${testResult.numFailingTests} failures`);
}
onRunComplete(contexts, results) {
console.log('All tests completed');
}
}
module.exports = MyCustomReporter;Similar to @jest/reporters, mocha-reporter is used with the Mocha testing framework to customize the output of test results. While @jest/reporters is specific to Jest, mocha-reporter offers similar customization capabilities for those using Mocha, allowing for a tailored reporting experience depending on the user's needs.
This package is a plugin for the Karma test runner that provides detailed HTML reporting for tests written with Jasmine. It's similar to @jest/reporters in that it enhances the reporting capabilities of test results, but it is specifically designed for use with Karma and Jasmine, showcasing a more visual and interactive report compared to the typically console-based reports of @jest/reporters.
Changelog
26.0.0
[jest-environment-jsdom] [BREAKING] Upgrade jsdom to v16 (#9606)[@jest/fake-timers] Add possibility to use a modern implementation of fake timers, backed by @sinonjs/fake-timers (#7776)[jest-runtime] Add createMockFromModule as an alias for genMockFromModule (#9962)[babel-jest] Handle null being passed to createTransformer (#9955)[jest-circus, jest-console, jest-jasmine2, jest-reporters, jest-util, pretty-format] Fix time durating formatting and consolidate time formatting code (#9765)[jest-circus] [BREAKING] Fail tests if a test takes a done callback and have return values (#9129)[jest-circus] [BREAKING] Throw a proper error if a test / hook is defined asynchronously (#8096)[jest-circus] Throw more descriptive error if hook is defined inside test (#9957)[jest-circus] [BREAKING] Align execution order of tests to match jasmine's top to bottom order (#9965)[jest-config, jest-resolve] [BREAKING] Remove support for browser field (#9943)[jest-haste-map] Stop reporting files as changed when they are only accessed (#7347)[jest-resolve] Show relative path from root dir for module not found errors (#9963)[jest-runtime] Fix absolute path moduleNameMapper + jest.mock bug (#8727)[*] [BREAKING] TypeScript definitions requires a minimum of TypeScript v3.8 (#9823)[*] [BREAKING] Drop support for Node 8 (#9423)[*] Upgrade to chalk@4 (#9752)[*] Remove usage of realpath-native (#9952)[docs] Fix example reference implementation to use Jest with Phabricator (#8662)[docs] Added default compiler to transform (#8583)[docs] Updated Testing Frameworks guide with React; make it generic (#9106)[expect, jest-mock, pretty-format] [BREAKING] Remove build-es5 from package (#9945)[@jest/fake-timers, @jest/environment] [BREAKING] Rename LolexFakeTimers to ModernFakeTimers (#9960)[jest-haste-map] [BREAKING] removed providesModuleNodeModules (#8535)[jest-runtime] [BREAKING] Remove long-deprecated require.requireActual and require.requireMock methods (#9854)FAQs
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We found that @jest/reporters demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 3 open source maintainers collaborating on the project.
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