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AVA

109
200
+ 1
33
Enzyme

937
345
+ 1
0
Jest

6.9K
2.8K
+ 1
170
Decisions about AVA, Enzyme, and Jest
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CypressCypressJestJest

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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Pros of AVA
Pros of Enzyme
Pros of Jest
  • 13
    Simple and fast
  • 6
    Parallel test running
  • 5
    Open source
  • 3
    Promise support
  • 3
    Test code Instrumenting
  • 2
    Babel integration
  • 1
    ESM Ready
    Be the first to leave a pro
    • 35
      Open source
    • 31
      Mock by default makes testing much simpler
    • 23
      Testing React Native Apps
    • 19
      Parallel test running
    • 15
      Fast
    • 13
      Bundled with JSDOM to enable DOM testing
    • 8
      Mock by default screws up your classes, breaking tests
    • 7
      Out of the box code coverage
    • 6
      Promise support
    • 6
      One stop shop for unit testing
    • 3
      Great documentation
    • 2
      Assert Library Included
    • 1
      Built in watch option with interactive filtering menu
    • 1
      Preset support
    • 0
      Karma
    • 0
      Can be used for BDD

    Sign up to add or upvote prosMake informed product decisions

    Cons of AVA
    Cons of Enzyme
    Cons of Jest
    • 1
      No built-in support for DOM
    • 1
      No source files compilation
      Be the first to leave a con
      • 3
        Ambiguous configuration
      • 3
        Difficult
      • 3
        Documentation
      • 2
        Many bugs still not fixed months/years after reporting
      • 2
        Multiple error messages for same error
      • 2
        Difficult to run single test/describe/file
      • 2
        Ambiguous
      • 2
        Bugged
      • 1
        Slow
      • 1
        Reporter is too general
      • 1
        BeforeAll timing out makes all passing tests fail
      • 1
        Unstable
      • 1
        Bad docs
      • 1
        Still does't support .mjs files natively
      • 1
        Can't fail beforeAll to abort tests
      • 0
        Interaction with watch mode on terminal

      Sign up to add or upvote consMake informed product decisions

      - No public GitHub repository available -
      - No public GitHub repository available -

      What is 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.

      What is Enzyme?

      Enzyme is a JavaScript Testing utility for React that makes it easier to assert, manipulate, and traverse your React Components' output.

      What is Jest?

      Jest provides you with multiple layers on top of Jasmine.

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      What companies use AVA?
      What companies use Enzyme?
      What companies use Jest?

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      What tools integrate with AVA?
      What tools integrate with Enzyme?
      What tools integrate with Jest?
        No integrations found

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        Blog Posts

        What are some alternatives to AVA, Enzyme, and Jest?
        EVA
        Equipping you with hundreds of symbols and dozens or styles configurations, it makes sure the design stays consistent across all of your applications and platforms.
        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.
        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.
        See all alternatives