Testing

12-month change compares the average of the last 4 weeks of downloads with the first 4 weeks of the 52-week series. Gzip size is for the whole package, as measured by Bundlephobia. "-" means the value has not been fetched.

• expect-more-jestWrite Beautiful Specs with Custom Matchers for Jest
• @edge-runtime/jest-environmentA Jest integration to run assertions in Edge Runtime context.
• preceptor-coreCore components for the preceptor test runner and aggregator
• aegirJavaScript project management
• @redhat-developer/page-objectsPage Object API implementation for a VS Code editor used by ExTester framework.
• jest-chromeTest Chrome extensions with Jest. A complete mock of the Chrome API.
• mocha-chai-jest-snapshotprovides snapshot testing like jest
• superwstestsupertest with added WebSocket capabilities
• internIntern. A next-generation code testing stack for JavaScript.
• @short.io/opensearch-mockMock utility for the Elasticsearch's Node.js client
• nodemailer-mockEasy as pie nodemailer mock for unit testing your Node.js applications.
• jasmine-expectWrite Beautiful Specs with Custom Matchers
• async-test-utilUtil-functions that are be useful in async tests
• service-worker-mockService Worker Mock ========================= A mock service worker environment generator.
• @testcontainers/opensearchOpenSearch module for Testcontainers
• strong-mockType safe mocking library for TypeScript
• happoCatch unexpected visual and accessibility changes and UI bugs
• @bahmutov/data-drivenTransforms BDD input into data-driven snapshot
• has-onlyTells if the current Mocha execution is running only some tests that use .only
• @vitest/browser-webdriverioBrowser running for Vitest using webdriverio
• sass-trueUnit testing for Sass.
• opentok-tokenGenerates tokens for `X-TB-TOKEN-AUTH` header when using OpenTok REST API.
• @testcontainers/gcloudGCloud module for Testcontainers
• chakramChakram is an API testing framework designed to test JSON REST endpoints. The library offers a BDD testing style and fully exploits javascript promises
• playwright-smart-reporterAn intelligent Playwright HTML reporter with AI-powered failure analysis, flakiness detection, and performance regression alerts
• mock-express-responseNodejs library to mock express http response
• jsverifyProperty-based testing for JavaScript.
• cypress-ctrf-json-reporterGenerate a common JSON test report for Cypress tests
• assert-valid-glob-optsAssert a given object is a valid glob option
• simple-mockSuper simple stubs and spies with 1-step sandbox restore
• prismockA mock for PrismaClient, dedicated to unit testing.
• @storycap-testrun/browserScreenshot capture for Storybook addon-vitest - Provides stable visual testing functionality and Vitest plugin for Storybook stories running in browser environments
• @stdlib/assert-is-positive-numberTest if a value is a number having a positive value.
• jest-in-caseJest utility for creating variations of the same test
• @quramy/jest-prisma-coreUtility class to build Jest environment for Prisma.
• socket.io-mocka mocked version of a socket.io socket for testing
• pa11y-ci-reporter-htmlPa11y-ci reporter that generates HTML reports - summary report and detailed reports for each page
• @allurereport/web-allure2The static files for Allure Classic Report
• jest-json-reporterJSON test results processor for Jest.
• @stdlib/assert-is-booleanarrayTest if a value is a BooleanArray.
• jest-mock-processEasily mock NodeJS process properties in Jest
• mockingooseA Jest package for mocking mongoose models
• karma-viewportA Karma plugin for testing responsive features and layout
• @knapsack-pro/playwrightKnapsack Pro Playwright splits Playwright tests across CI nodes and makes sure that tests will run in optimal time on each CI node.
• playwright-ws-traceAdds WebSocket frame tracing to Playwright trace viewer
• cypress-commandsA collection of Cypress commands to extend and complement the default commands
• typyMinimal JavaScript type checking library
• sinon-chromeMock of chrome extensions API for unit testing under nodejs
• @flakiness/playwrightA custom Playwright test reporter that generates Flakiness Reports from your Playwright test runs
• mocha-eachParameterized test utility for Mocha

• selenium-webdriver vs wd
• @appium/types vs selenium-webdriver
• msw vs json-server
• @copilotkit/aimock vs mock-socket
• @appium/types vs wd
• mockttp vs ts-mockito
• mock-socket vs ts-mockito
• rewire vs ng-mocks
• msw vs miragejs
• codeceptjs vs playwright-bdd
• codeceptjs vs nightwatch
• mocha vs jasmine-core
• mock-socket vs ng-mocks
• fast-check vs rewire
• ts-jest vs @golevelup/ts-jest