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Decisions about Jasmine, Mocha, and QUnit
Ben Herbert
Lead Front End Developer at Crunch · | 4 upvotes · 30.9K views
We were able to combine multiple tools with Jest and React Testing Library (e.g. sinon, enzyme, chai). Jest has powerful cli options and increased performance including from parallel testing processes. Migrating was reasonably straight forward as there is a code transformation script to do most of the leg work. Jest's documentation is excellent.
Abigail Watson
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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Learn MorePros of Jasmine
Pros of Mocha
Pros of QUnit
Pros of Jasmine
- Can also be used for tdd64
- Open source49
- Originally from RSpec18
- Great community15
- No dependencies, not even DOM14
- Easy to setup10
- Simple8
- Created by Pivotal-Labs3
- Works with KarmaJs2
- Jasmine is faster than selenium in angular application1
- SpyOn to fake calls1
- Async and promises are easy calls with "done"1
Pros of Mocha
- Open source137
- Simple102
- Promise support81
- Flexible48
- Easy to add support for Generators29
- For browser and server testing12
- Curstom assertion libraries7
- Works with Karma5
- No other better tools3
- Simple integration testing1
- Default reporter is nice, clean, and itemized1
- Simple setup1
- Works with saucelabs1
- Lots of tutorials and help online1
- Works with BrowserStack1
Pros of QUnit
- Simple6
- Open Source4
- Promise support3
- Easy setup3
- Excellent GUI1
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Cons of Jasmine
Cons of Mocha
Cons of QUnit
Cons of Jasmine
- Unfriendly error logs2
Cons of Mocha
- Cannot test a promisified functions without assertion3
- No assertion count in results2
- Not as many reporter options as Jest1
Cons of QUnit
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What is 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.
What is 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.
What is 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!
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What are some alternatives to Jasmine, Mocha, and QUnit?
Jest
Jest provides you with multiple layers on top of Jasmine.
Karma
Karma is not a testing framework, nor an assertion library. Karma just launches a HTTP server, and generates the test runner HTML file you probably already know from your favourite testing framework. So for testing purposes you can use pretty much anything you like.
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.
Chai
It is a BDD / TDD assertion library for node and the browser that can be delightfully paired with any javascript testing framework. It has several interfaces that allow the developer to choose the most comfortable. The chain-capable BDD styles provide an expressive language & readable style, while the TDD assert style provides a more classical feel.
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.