May 7, 2026 - A preset of Jest configuration for Angular projects.

A preset of Jest configuration for Angular projects.

Drop support for Node.js version 10 since it becomes EOL on 2021-04-30. Required Node version now is >=12.13.0. Require Jest 27. Users who are using import 'jest-preset-angular' should change to import 'jest-preset-angular/setup-jest'

December 24, 2020 - This is a quick guide to setup Jest in your new Angular 10 application · npm install jest @types/jest jest-preset-angular --save-dev · npm uninstall karma karma-chrome-launcher karma-coverage-istanbul-reporter karma-jasmine karma-jasmine-html-reporter @types/jasmine @types/jasminewd2 jasmine-core jasmine-spec-reporter ·

May 9, 2026 - For ESM configuration, please see more in details with ESM guide. In your project root, create a setup file with following contents: ... Adjust scripts part your package.json to use jest instead of ng, e.g. ... jest-preset-angular uses JSDOM which is different from normal browsers.

After this post was written, someone pointed me to briebug/jest-schematics, which is an schematic that does all these steps above for your. If you run ng add @briebug/jest it adds and configures jest-preset-angular and removes the karma dependencies and files.

December 25, 2021 - We will concentrate on how to setup up our workspace for Jest with Angular 10 ... Note: I am using npm manager to add dependencies if you are using Yarn please change the command accordingly. npm install jest jest-preset-angular @types/jest --save-dev

January 14, 2026 - Jest runner for Angular build facade. Allows ng test run with Jest instead of Karma. Latest version: 21.0.3, last published: 4 months ago. Start using @angular-builders/jest in your project by running `npm i @angular-builders/jest`. There are ...

July 20, 2020 - 🐛 Bug Report When upgrading to angular 10, with all the latest libraries in package.json, with node 12, 13 and 14; and also after remaking the project so that it's the same as this example: htt...

May 9, 2026 - In Jest, presets are pre-defined configurations that help streamline and standardize the process of setting up testing environments.

April 4, 2021 - jest-preset-angular is preset for angular.

March 22, 2023 - In this article, I am writing about all the necessary steps you need to do while configuring jest in angular. ... npm uninstall @types/jasmine jasmine-core karma karma-chrome-launcher karma-coverage karma-jasmine karma-jasmine-html-reporter · After uninstalling packages your package.json file looks like this. package.json after removing karma and jasmine packages ... "jest": { "preset": "jest-preset-angular", "setupFilesAfterEnv": [ "<rootDir>/src/setup.jest.ts" ], "testPathIgnorePatterns": [ "<rootDir>/node_modules/", "<rootDir>/dist/" ], "globals": { "ts-jest": { "tsConfig": "<rootDir>/tsconfig.spec.json", "stringifyContentPathRegex": "\\.html$" } } } "scripts": { "ng": "ng", "start": "ng serve", "build": "ng build", "watch": "ng build --watch --configuration development", "test": "jest", "test:watch": "jest --watch", "test:coverage": "jest --coverage" },

We found that jest-preset-angular demonstrates a positive version release cadence with at least one new version released in the past 3 months.

September 3, 2025 - This ensures zoneless testing works properly in your Angular app. Tell TypeScript to use Jest types instead of Jasmine: ... import type { Config } from 'jest'; const config: Config = { preset: 'jest-preset-angular', setupFilesAfterEnv: ['<rootDir>/src/setup-jest.ts'], testPathIgnorePatterns: [ '<rootDir>/node_modules/', '<rootDir>/dist/', ], }; export default config;

Install dependencies required by the official Jest documentation for Babel integration. Install @babel/preset-env and add babel.config.js (or modify existing if needed) with the following content: module.exports = function (api) { api.cache(true); const presets = ['@babel/preset-env']; const plugins = []; return { presets, plugins, }; };

Today I've started using Jest to UnitTest some of our TypeScript files within our Angular project. After the initial Jest setup was done, creating a test for a pure TypeScript method in our util.ts ... ... Using ng-mocks 13.5.2 with jest-preset-angular 12 and @ngneat/spectator 11 I am getting the below error any time I try to use MockComponents or MockPipe in my spec file.

August 27, 2024 - To use Jest in Angular, you can either set it up with the Angular Jest Runner to run tests with ng test, or configure Jest separately and run tests with the jest command. I prefer not using the Angular Jest Runner because I find it simpler to configure and use Jest on its own. npm install jest \ @types/jest \ @jest/globals \ jest-preset-angular \ --save-dev

September 13, 2024 - Create a setup-jest.ts file in your project’s root folder And add that single line of code in it: import 'jest-preset-angular/setup-jest';

October 3, 2021 - For months, I only use Jest in my Angular projects. It’s faster, less unexpected behaviors and it offers the snapshot feature which is really a must-have. Try it yourself, you will see that you will leave Karma/Jasmine for it. ... // package.json { ... "jest": { "preset": "jest-preset-angular", "setupTestFrameworkScriptFile": "<rootDir>/setupJest.ts" } ...

April 8, 2026 - jest-preset-angular is Jest preset configuration and TypeScript preprocessor with source map support for Jest that lets you use Jest to test Angular projects.