Mocha vs Venus.js

Overview

Mocha

Stacks10.8K

Followers3.0K

Votes430

Venus.js

Stacks0

Followers3

Votes0

Mocha vs Venus.js: What are the differences?

Developers describe Mocha as "Simple, flexible, fun javascript test framework for node.js & the browser". 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. On the other hand, Venus.js is detailed as "*Where bugs go to die *". It is a testing tool for JavaScript (JS), which simplifies running unit tests. When you are developing a browser-based project in JS, you'll want to create unit tests and run them frequently. Typically, you'll write a unit test using some library, such as Mocha or Jasmine. These libraries let you define testcases (or "specs" if you are following a BDD style), and provide APIs for writing assertions.

Mocha and Venus.js can be primarily classified as "Javascript Testing Framework" tools.

Some of the features offered by Mocha are:

browser support
simple async support, including promises
test coverage reporting

On the other hand, Venus.js provides the following key features:

Use Simple annotations in your tests to specify which testing library you want to use, the file you are testing, other file dependencies, and a test harness template
Quickly run your browser-based tests directly from the command line using PhantomJS
Run your tests from the command line in multiple browsers (running locally or remotely) at the same time

Mocha is an open source tool with 19.3K GitHub stars and 2.65K GitHub forks. Here's a link to Mocha's open source repository on GitHub.

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Advice on Mocha, Venus.js

Abigail

Dec 10, 2019

Decided

We use Mocha for our FDA verification testing. It's integrated into Meteor, our upstream web application framework. We like how battle tested it is, its' syntax, its' options of reporters, and countless other features. Most everybody can agree on mocha, and that gets us half-way through our FDA verification and validation (V&V) testing strategy.

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Detailed Comparison

Mocha	Venus.js
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.	It is a testing tool for JavaScript (JS), which simplifies running unit tests. When you are developing a browser-based project in JS, you'll want to create unit tests and run them frequently. Typically, you'll write a unit test using some library, such as Mocha or Jasmine. These libraries let you define testcases (or "specs" if you are following a BDD style), and provide APIs for writing assertions.
browser support;simple async support, including promises;test coverage reporting;string diff support;javascript API for running tests;proper exit status for CI support etc;auto-detects and disables coloring for non-ttys;maps uncaught exceptions to the correct test case;async test timeout support;test-specific timeouts;growl notification support;reports test durations;highlights slow tests;file watcher support;global variable leak detection	Use Simple annotations in your tests to specify which testing library you want to use, the file you are testing, other file dependencies, and a test harness template; Quickly run your browser-based tests directly from the command line using PhantomJS; Run your tests from the command line in multiple browsers (running locally or remotely) at the same time; Integration with Continuous Integration tools (Selenium Grid + Travis CI)
Statistics
Stacks 10.8K	Stacks 0
Followers 3.0K	Followers 3
Votes 430	Votes 0
Pros & Cons
Pros 137 Open source 102 Simple 81 Promise support 48 Flexible 29 Easy to add support for Generators Cons 3 Cannot test a promisified functions without assertion 2 No assertion count in results 1 Not as many reporter options as Jest	No community feedback yet
Integrations
No integrations available	JavaScript Travis CI

What are some alternatives to Mocha, Venus.js?

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.

Jest

Jest provides you with multiple layers on top of Jasmine.

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.

CodeceptJS

It is a modern end to end testing framework with a special BDD-style syntax. The test is written as a linear scenario of user's action on a site. Each test is described inside a Scenario function with I object passed into it.

Protractor

Protractor is an end-to-end test framework for Angular and AngularJS applications. Protractor runs tests against your application running in a real browser, interacting with it as a user would.

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.

Ghost Inspector

It lets you create and manage UI tests that check specific functionality in your website or application. We execute these automated browser tests continuously from the cloud and alert you if anything breaks.

QUnit

QUnit is a powerful, easy-to-use JavaScript unit testing framework. It's used by the jQuery, jQuery UI and jQuery Mobile projects and is capable of testing any generic JavaScript code, including itself!