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  1. Stackups
  2. DevOps
  3. Testing Frameworks
  4. Javascript Testing Framework
  5. Jest vs Zest

Jest vs Zest

OverviewDecisionsComparisonAlternatives

Overview

Jest
Jest
Stacks15.2K
Followers4.1K
Votes175
Zest
Zest
Stacks8
Followers28
Votes0
GitHub Stars225
Forks13

Jest vs Zest: What are the differences?

## Introduction

The Key differences between Jest and Zest are highlighted below.

1. **Testing Framework**: Jest is primarily a testing framework for JavaScript, while Zest is an automation testing tool that provides a platform for web application testing across different browsers and operating systems. 
   
2. **Community Support**: Jest has a larger community base, with extensive documentation, tutorials, and support available, making it easier to troubleshoot issues and find solutions compared to Zest, which has a smaller community.
   
3. **Functionality**: Jest is specifically designed for unit testing and includes features like mocking, assertion, and snapshot testing, while Zest is more focused on end-to-end testing and offers functionalities like test scripting, recording, and playback for web automation.
   
4. **Integration**: Jest seamlessly integrates with popular JavaScript frameworks like React, Angular, and Vue, providing specific functionalities tailored for these environments. In contrast, Zest is adaptable to various programming languages and technologies, making it suitable for a broader range of applications.
   
5. **Performance**: Jest is known for its fast and efficient test execution due to parallel testing capabilities and optimized test running, resulting in quicker feedback on code changes. On the other hand, Zest may have longer execution times for complex test scenarios involving multiple browsers and environments.
   
6. **Extensibility**: Jest offers a robust plugin system that allows developers to extend and customize the testing experience with additional functionalities and integrations, whereas Zest may have limited flexibility in terms of extending its core features.

In Summary, Jest and Zest differ in their focus on testing frameworks, community support, functionality, integration, performance, and extensibility.

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Advice on Jest, Zest

Dane
Dane

Feb 7, 2020

Needs adviceonCypressCypressJestJest

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.

836k views836k
Comments
Anonymous
Anonymous

Feb 6, 2020

Needs advice

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.

290k views290k
Comments

Detailed Comparison

Jest
Jest
Zest
Zest

Jest provides you with multiple layers on top of Jasmine.

Offline search tool for developers. Find what you need without Internet access.

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
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Statistics
GitHub Stars
-
GitHub Stars
225
GitHub Forks
-
GitHub Forks
13
Stacks
15.2K
Stacks
8
Followers
4.1K
Followers
28
Votes
175
Votes
0
Pros & Cons
Pros
  • 36
    Open source
  • 32
    Mock by default makes testing much simpler
  • 23
    Testing React Native Apps
  • 20
    Parallel test running
  • 16
    Fast
Cons
  • 4
    Documentation
  • 4
    Ambiguous configuration
  • 3
    Difficult
  • 2
    Ambiguous
  • 2
    Multiple error messages for same error
No community feedback yet

What are some alternatives to Jest, Zest?

Mocha

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

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

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.

Dash

Dash

Dash is an API Documentation Browser and Code Snippet Manager. Dash stores snippets of code and instantly searches offline documentation sets for 150+ APIs. You can even generate your own docsets or request docsets to be included.

CodeceptJS

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

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

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

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

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!

DevDocs

DevDocs

DevDocs is an API documentation browser that combines multiple docs in a single web UI with instant fuzzy search, offline mode, keyboard shortcuts, and more.

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