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Jest vs Baretest: What are the differences?

Jest: Painless JavaScript Unit Testing. Jest provides you with multiple layers on top of Jasmine; Baretest: A Minimalistic Alternative to Jest. It is a fast and simple JavaScript test runner. It offers near-instant performance and a brainless API. It makes testing tolerable.

Jest and Baretest can be primarily classified as "Javascript Testing Framework" tools.

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, Baretest provides the following key features:

  • Fast and simple JavaScript test runner
  • Tiny footprint
  • Near-instant performance

Jest is an open source tool with 29.6K GitHub stars and 4.17K GitHub forks. Here's a link to Jest's open source repository on GitHub.

What is Baretest?

It is a fast and simple JavaScript test runner. It offers near-instant performance and a brainless API. It makes testing tolerable.

What is Jest?

Jest provides you with multiple layers on top of Jasmine.
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      What are some alternatives to Baretest 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.
      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.
      Enzyme
      Enzyme is a JavaScript Testing utility for React that makes it easier to assert, manipulate, and traverse your React Components' output.
      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.
      See all alternatives
      Decisions about Baretest and Jest
      Dschinkel Schinkel
      Dschinkel Schinkel
      Mocha
      Mocha
      Jest
      Jest
      JavaScript
      JavaScript
      React
      React
      Enzyme
      Enzyme
      #Tdd
      #Bdd
      #Testdrivendevelopment

      I use both mocha and Jest because:

      • I don't care whether teams use Jest or Mocha. But jest is way too overhyped. Most devs are writing integration tests and think that it's so much better but frankly I don't write integration tests as the way to get both design feedback and confidence when I code. I adhere to the test pyramid, not ice cream cone or the dumb "trophy"

      • I TDD, so I only ever use the "API" of test frameworks. I don't do a lot of integration tests for TDD and all the bells and whistles Jest provides you from the command-line I just don't need. And I certainly do not care about or touch Jest Snapshots, I despise them

      • My tests are fast enough because I write isolated tests with TDD, so I don't run into performance issues. Example: I write my tests in a way that I can run 300 tests in literally 1 second with mocha. So the Jest ability to pinpoint and only run those tests which are affected by code changes. I want to run all of them every time when I TDD. It's a different mindset when you TDD

      • I also mainly code in IntelliJ or WebStorm because I feel the tools in that IDE far surpass VSCode and I also love running the test UI runner in it vs. lousy command-line

      • I feel both mocha and Jest read just fine in terms of code readability. Jest might have shorter assertion syntax but I don't really care. I just care that I can read the damn test and my tests are written well and my test descriptions, as well as the code itself including constants represent business language, not technical. I care most about BDD, clean code, 4 rules of simple design, and SOLID

      • I don't like using mock frameworks so no I don't use Jest's Mocking framework. I don't have to mock a lot in my tests due to the nature of how I strive to code...I keep my design simple and modular using principals such as clean code and 4 rules of simple design. If I must mock, I create very simple custom mocks with JS

      • On the contrary to the belief that integration tests and mount are the way to go (this belief drives me absolutely crazy, especially Dodd's promoting that), I TDD with shallow & enzyme. My tests are simple. My design is driven by my tests and my tests give me quick and useful feedback. I have a course I'm working on coming out soon on TDD with React to show you how to truly test the FE and why the ice cream cone and trophy suck (you're being scammed people). Watch for that here: https://twitter.com/DaveSchinkel/status/1062267649235791873

      Don't forget to upvote this post!

      Mocha Jest JavaScript React @jsdom Enzyme #tdd #bdd #testdrivendevelopment

      See more
      Russel Werner
      Russel Werner
      Lead Engineer at StackShare | 6 upvotes 98.6K views
      atStackShareStackShare
      Jest
      Jest
      Enzyme
      Enzyme
      React Storybook
      React Storybook
      Happo.io
      Happo.io
      Percy
      Percy

      We use Jest because when we rebooted our "front end" stack earlier last year, we need to have a testing solution (we didn't have any front-end tests before that!). Jest is fast and convenient and it has plenty of community support behind it. It let's us run our unit tests with Enzyme and snapshot tests.

      This is an area that we are constantly reviewing to see what can be improved, both in terms of developer needs, accuracy, test maintainability, and coverage.

      I'm currently exploring using React Storybook to be the record of snapshot tests and using some online services, such as Happo.io and Percy in our CI pipeline.

      See more
      Scott Mebberson
      Scott Mebberson
      CTO / Chief Architect at Idearium | 2 upvotes 36K views
      Mocha
      Mocha
      Jest
      Jest

      We used to Mocha for as our primary Node.js test framework. We've now switched to Jest and haven't looked back.

      Jest is faster and requires less setup and configuration. The Mocha API and eco-system is vast and verified, but that also brings complexity.

      It you want to get in, write tests, execute them and get out, try Jest 馃榾

      See more
      Gustavo Mu帽oz
      Gustavo Mu帽oz
      Web UI Developer at Globant | 1 upvotes 3.1K views
      Jest
      Jest
      Enzyme
      Enzyme

      I really enjoy using Jest as my testing framework. I also use Enzyme to complement, and both together are amazing. Jest is fast and easy to use, It has all you need together under the same tool, and it's pretty easy to create all kind of test, even asynchronous ones. I was responsible for implant it in our company projects, and it was the best decision for testing.

      See more
      Jack Graves
      Jack Graves
      Head of Product Development at Automation Consultants | 3 upvotes 62.9K views
      atAutomation ConsultantsAutomation Consultants
      JUnit
      JUnit
      Jest
      Jest
      Apache JMeter
      Apache JMeter
      Mocha
      Mocha

      We use JUnit and Jest to perform the bulk of our automated test scenarios, with additional work with Apache JMeter for performance testing - for example, the Atlassian Data Center compliance testing is performed with JMeter. Jest provides testing for the React interfaces, which make up the backend of our App offerings. JUnit is used for Unit Testing our Server-based Apps. Mocha is another tool we use.

      See more
      Robert Zuber
      Robert Zuber
      CTO at CircleCI | 17 upvotes 478.4K views
      atCircleCICircleCI
      Next.js
      Next.js
      React
      React
      Storybook
      Storybook
      TypeScript
      TypeScript
      Emotion
      Emotion
      GraphQL
      GraphQL
      Apollo
      Apollo
      Jest
      Jest
      Percy
      Percy
      Cypress
      Cypress

      We are in the process of adopting Next.js as our React framework and using Storybook to help build our React components in isolation. This new part of our frontend is written in TypeScript, and we use Emotion for CSS/styling. For delivering data, we use GraphQL and Apollo. Jest, Percy, and Cypress are used for testing.

      See more
      Cypress
      Cypress
      Jest
      Jest

      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.

      See more
      Interest over time
      Reviews of Baretest 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 Baretest 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.

      How much does Baretest cost?
      How much does Jest cost?
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