@web/test-runner-core

What is @web/test-runner-core?

@web/test-runner-core is a core library for the Web Test Runner, a modern test runner for web applications. It provides essential functionalities for running tests in browsers, including configuration, plugins, and test execution.

What are @web/test-runner-core's main functionalities?

Configuration

This feature allows you to configure the test runner with specific settings such as the test files to include and the browsers to run the tests in.

const { startTestRunner } = require('@web/test-runner-core');

startTestRunner({
  config: {
    files: ['test/**/*.test.js'],
    browsers: ['chrome', 'firefox'],
  },
});

Plugins

This feature allows you to extend the functionality of the test runner by adding plugins. Plugins can be used to customize the behavior of the test runner.

const { startTestRunner } = require('@web/test-runner-core');
const myPlugin = require('./my-plugin');

startTestRunner({
  config: {
    plugins: [myPlugin()],
  },
});

Test Execution

This feature allows you to execute tests and handle the results. You can specify the test files to run and process the results after the tests are completed.

const { startTestRunner } = require('@web/test-runner-core');

startTestRunner({
  config: {
    files: ['test/**/*.test.js'],
  },
}).then((result) => {
  console.log('All tests completed:', result);
});

Other packages similar to @web/test-runner-core

jest

Jest is a delightful JavaScript Testing Framework with a focus on simplicity. It works out of the box for most JavaScript projects and provides a rich API for writing and running tests. Compared to @web/test-runner-core, Jest is more opinionated and comes with built-in features like mocking and snapshot testing.

mocha

Mocha is a feature-rich JavaScript test framework running on Node.js and in the browser, making asynchronous testing simple. Mocha tests run serially, allowing for flexible and accurate reporting. Compared to @web/test-runner-core, Mocha is more flexible and can be integrated with various assertion libraries and reporters.

karma

Karma is a test runner for JavaScript that runs on Node.js. It allows you to execute tests in real browsers and real devices. Karma is highly configurable and can be integrated with various testing frameworks. Compared to @web/test-runner-core, Karma is more focused on running tests in multiple browsers and environments.

README

Web Test Runner Core

Core package for Web Test Runner. Manages running the tests. Has a modular architecture, delegating most of the work to the separate parts and implementations. You will likely not use this package directly.

See our website for full documentation.