Jasmine
Jasmine

865
883
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177
Jest
Jest

2.4K
1.7K
+ 1
147
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Jasmine vs Jest: What are the differences?

What is Jasmine? DOM-less simple JavaScript testing framework. 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 Jest? Painless JavaScript Unit Testing. Jest provides you with multiple layers on top of Jasmine.

Jasmine and Jest can be categorized as "Javascript Testing Framework" tools.

"Can also be used for tdd " is the primary reason why developers consider Jasmine over the competitors, whereas "Open source" was stated as the key factor in picking Jest.

Jasmine and Jest are both open source tools. It seems that Jest with 26.1K GitHub stars and 3.53K forks on GitHub has more adoption than Jasmine with 14.4K GitHub stars and 2.12K GitHub forks.

Repro, Glympse, and Ubiqua are some of the popular companies that use Jest, whereas Jasmine is used by Coderus, Infoshare, and Ztory. Jest has a broader approval, being mentioned in 262 company stacks & 150 developers stacks; compared to Jasmine, which is listed in 143 company stacks and 75 developer stacks.

Decisions about Jasmine and Jest
Shared insights
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JestJestCypressCypress

As we all know testing is an important part of any application. To assist with our testing we are going to use both Cypress and Jest. We feel these tools complement each other and will help us get good coverage of our code. We will use Cypress for our end to end testing as we've found it quite user friendly. Jest will be used for our unit tests because we've seen how many larger companies use it with great success.

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Postman will be used to do integration testing with the backend API we create. It offers a clean interface to create many requests, and you can even organize these requests into collections. It helps to test the backend API first to make sure it's working before using it in the front-end. Jest can also be used for testing and is already embedded into React. Not only does it offer unit testing support in javascript, it can also do snapshot testing for the front-end to make sure components are rendering correctly. Enzyme is complementary to Jest and offers more functions such as shallow rendering. UnitTest will be used for Python testing as it is simple, has a lot of functionality and already built in with python. Sentry will be used for keeping track of errors as it is also easily integratable with Heroku because they offer it as an add-on. LogDNA will be used for tracking logs which are not errors and is also a Heroku add-on. Its good to have a separate service to record logs, monitor, track and even fix errors in real-time so our application can run more smoothly.

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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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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 Jest?

Jest provides you with multiple layers on top of Jasmine.
Why do developers choose Jasmine?
Why do developers choose Jest?

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What companies use Jasmine?
What companies use Jest?

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What tools integrate with Jasmine?
What tools integrate with Jest?

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What are some alternatives to Jasmine and Jest?
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.
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.
Enzyme
Enzyme is a JavaScript Testing utility for React that makes it easier to assert, manipulate, and traverse your React Components' output.
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.
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Interest over time
Reviews of Jasmine and Jest
Avatar of cristiangiagante
.Net Developer at Hexacta
Review ofJestJest

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 Jasmine and Jest
Avatar of Volkan 脰z莽elik
Volkan 脰z莽elik uses JestJest

Jest is my unit-testing tool of choice.

Almost all unit testing suites (Mocha, Jasmine, etc.) are more or less the same.

The main advantage I guess, is that it integrates pretty well with React and Enzyme.

Avatar of RentChek
RentChek uses JasmineJasmine

We use Jasmine for all our front-end web interface tests. Works great for testing all our Angular components.

Avatar of Ron Apelbaum
Ron Apelbaum uses JasmineJasmine

I write unit tests with Jasmine, and use nodejs Jasmine as a test runner.

Avatar of Fred Steffen
Fred Steffen uses JasmineJasmine

It has tons of features, great documentation

Avatar of Giovanni Candido da Silva
Giovanni Candido da Silva uses JasmineJasmine

Test tool for the interface code

Avatar of Evan Luc
Evan Luc uses JasmineJasmine

Front and back-end tests.

How much does Jasmine cost?
How much does Jest cost?
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