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Jest

Stacks1.3K

Followers742

+ 1

Votes120

Nightwatchjs

Stacks56

Followers59

+ 1

Votes0

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Jest vs Nightwatchjs: What are the differences?

Jest: Painless JavaScript Unit Testing. Jest provides you with multiple layers on top of Jasmine; Nightwatchjs: Automated testing and continous integration framework based on node.js and selenium webdriver. Nightwatch.js is an easy to use Node.js based End-to-End (E2E) testing solution for browser based apps and websites. It uses the powerful Selenium WebDriver API to perform commands and assertions on DOM elements.

Jest and Nightwatchjs are primarily classified as "Javascript Testing Framework" and "Browser Testing" tools respectively.

Some of the features offered by Jest are:

Familiar Approach: Built on top of the Jasmine test framework, using familiar expect(value).toBe(other) assertions
Mock by Default: Automatically mocks CommonJS modules returned by require(), making most existing code testable
Short Feedback Loop: DOM APIs are mocked and tests run in parallel via a small node.js command line utility

On the other hand, Nightwatchjs provides the following key features:

e2e
test
javascript

Jest and Nightwatchjs are both open source tools. It seems that Jest with 26.4K GitHub stars and 3.57K forks on GitHub has more adoption than Nightwatchjs with 9.43K GitHub stars and 927 GitHub forks.

According to the StackShare community, Jest has a broader approval, being mentioned in 273 company stacks & 161 developers stacks; compared to Nightwatchjs, which is listed in 16 company stacks and 5 developer stacks.

What is Jest?

Jest provides you with multiple layers on top of Jasmine.

What is Nightwatchjs?

Nightwatch.js is an easy to use Node.js based End-to-End (E2E) testing solution for browser based apps and websites. It uses the powerful Selenium WebDriver API to perform commands and assertions on DOM elements.

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Why do developers choose Jest?

Why do developers choose Nightwatchjs?

26
Open source
25
Mock by default makes testing much simpler
18
Testing React Native Apps
11
Parallel test running
9
Bundled with JSDOM to enable DOM testing
7
Fast
6
Mock by default screws up your classes, breaking tests

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0
Still does't support .mjs files natively
0
Many bugs still not fixed months/years after reporting
0
Can't fail beforeAll to abort tests
0
BeforeAll timing out makes all passing tests fail
0
Multiple error messages for same error
0
Difficult to run single test/describe/file
0
Interaction with watch mode on terminal

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What companies use Jest?

What companies use Nightwatchjs?

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What tools integrate with Jest?

What tools integrate with Nightwatchjs?

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What are some alternatives to Jest and Nightwatchjs?

Mocha

Mocha is a feature-rich JavaScript test framework running on node.js and 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.

Selenium

Selenium automates browsers. That's it! What you do with that power is entirely up to you. Primarily, it is for automating web applications for testing purposes, but is certainly not limited to just that. Boring web-based administration tasks can (and should!) also be automated as well.

AVA

Even though JavaScript is single-threaded, IO in Node.js can happen in parallel due to its async nature. AVA takes advantage of this and runs your tests concurrently, which is especially beneficial for IO heavy tests. In addition, test files are run in parallel as separate processes, giving you even better performance and an isolated environment for each test file.

Jasmine

Jasmine is a Behavior Driven Development testing framework for JavaScript. It does not rely on browsers, DOM, or any JavaScript framework. Thus it's suited for websites, Node.js projects, or anywhere that JavaScript can run.

Cypress

Cypress is a front end automated testing application created for the modern web. Cypress is built on a new architecture and runs in the same run-loop as the application being tested. As a result Cypress provides better, faster, and more reliable testing for anything that runs in a browser. Cypress works on any front-end framework or website.

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Decisions about Jest and Nightwatchjs

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Reviews of Jest and Nightwatchjs

Cristian Giagante

.Net Developer at Hexacta

Review of

Jest

I'm using Jest for 3 months in a Vue JS project . I need to use a lot of custom search of related topics in jest docs because it's not clear. The examples are very poor too.

How developers use Jest and Nightwatchjs