The node:test module facilitates the creation of JavaScript tests. To access it: This module is only available under the node: scheme. A synchronous function that is considered failing if it throws an exception, and is considered passing otherwise.

Node.js has a flexible and robust built-in test runner. This guide will show you how to set up and use it. Note: globs require node v21+, and the globs must themselves be wrapped in quotes (without, you'll get different behaviour than expected, wherein it …

Apr 22, 2024 · The Node.js test runner supports generating detailed test reports, which are invaluable for analysis, spotting trends, and maintaining documentation of test results. You can specify the format of these reports using the --test-reporter flag.

Aug 20, 2021 · Unit testing improves your code's quality and confidence. Find bugs early on in the software development lifecycle with a Node.js unit test.

Apr 2, 2024 · The Node.js test runner has various useful features, including mocking, coverage, test reports, and test filtering. It also ships with the built-in assert module. Getting started is as simple as creating a test file in the tests directory:

Discovering Node.js's test runner. In this series of resources, we will discover how to use Node.js's test runner to test our code. What is a test runner? A test runner is a tool that allows you to run tests on your code. It will execute your tests and give you feedback on …

Sep 1, 2023 · Test functions using the new Node.js native test runner, and compare its performance to testing frameworks like Jest and Mocha.

Jul 3, 2023 · Compare some of the best Node.js unit testing frameworks in 2023, including Mocha, Jest, Supertest, and Webdriver.

Apr 10, 2023 · In March of 2022 Node.js got a new built-in test runner via node:test module. I have evaluated the test runner and made several presentations showing its features and comparing the new built-in test runner with the other test runners like Ava, Jest, and Mocha.

May 30, 2023 · test refers to the npm package test which is a userland port of node:test that works all the way back to Node version 14. The test function allows us to name specific tests, as well as create groups of subtests.

May 13, 2023 · Node.js 20 promotes the built-in Test Runner from experimental to stable. In this tutorial, we’ll take a closer look at the now-stable Test Runner, from installation to running tests and generating reports. So, let’s get started and see how you can use the Node.js Test Runner. How Does Node Find Tests?

May 23, 2022 · In short: you can write and run tests in Node.js without any npm packages. A simple example, in a ping.mjs file. We can run the above using node --test ping.mjs or node ping.mjs which gives the following output: (node:2191) ExperimentalWarning: The test runner is an experimental feature.

Jul 28, 2023 · Supertest: Supertest is a testing library that is used to test Node.js APIs. It is best used along with a testing framework like Jest or Mocha. In the next sections, we’ll be looking at how to use Jest and Supertest to test a Node.js (Express) API.

Jul 22, 2023 · In this tutorial, we discussed the best practices for testing a Node.js application, explored popular testing frameworks, and demonstrated how to test an Express application using Mocha, Chai, and Supertest.

Jul 13, 2022 · In this comprehensive tutorial, we’ll demonstrate how to test a Node.js app with Mocha, including writing our own test suites and running Mocha tests in the browser. We’ll cover the following in detail: What is Mocha? Is Mocha.js a BDD tool? What is Mocha? Mocha is an open source JavaScript testing framework that runs on Node.js and in the browser.

Jul 29, 2020 · Unit Testing is a software testing method where individual units/components are tested in isolation. A unit can be described as the smallest testable part of code in an application. Unit testing is generally carried out by developers during the development phase of an application.

In this NodeJS unit testing tutorial, we will explore the intricacies of performing effective software testing with Node.js while writing efficient test cases using Mocha and Chai. In addition, you will learn how combining Chai and Mocha helps you write better-quality code by running your automated tests in Node.

Mocha is a feature-rich JavaScript test framework running on Node.js and in the browser, making asynchronous testing simple and fun. Mocha tests run serially, allowing for flexible and accurate reporting, while mapping uncaught exceptions to the correct test cases. Hosted on GitHub. Use Mocha at Work?

Jan 17, 2025 · The JavaScript test runner or Node.js test runner helps automate the testing process for websites and web applications by enabling a range of testing techniques, including unit, integration, and end-to-end testing.

Jul 9, 2023 · Node.js testing involves the process of verifying the behavior and functionality of Node.js applications. It aims to identify bugs, ensure code correctness, and maintain the desired quality...