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Description

Jest is designed to operate seamlessly without configuration on the majority of JavaScript projects. It allows for easy tracking of large objects through tests. Snapshots can be stored alongside tests or embedded directly within them. To enhance performance, tests are executed in isolated processes, enabling parallel execution. By maintaining a distinct global state for each test, Jest ensures reliable parallel execution. Additionally, Jest prioritizes previously failed tests and reorganizes runs based on the duration of test files to speed up the testing process. With its custom resolver, Jest simplifies the mocking of any external objects within your tests, facilitating a smoother testing experience. Overall, Jest's features foster efficiency and ease of use for developers working on JavaScript applications.

Description

Mocha operates directly within the browser environment. Each version of Mocha releases updated builds of both ./mocha.js and ./mocha.css for browser integration. By including a parameter (commonly referred to as done) in the it() function for a test callback, Mocha understands that it should await the invocation of this function to finalize the test. This callback can receive either an Error instance (or its subclass) or a falsy value; anything deviating from this will lead to an error being thrown, typically resulting in a failed test. Reporters in Mocha anticipate knowledge of the total number of tests to execute prior to running them. However, this data is not accessible in parallel mode since test files are only loaded when set to run. Conversely, in serial mode, test outcomes are streamed live as they are generated. In parallel mode, however, the output from reporters is buffered, which means reporting will happen after the completion of each test file. Consequently, the reporter’s output will be presented in segments, while maintaining the same information. If a particular test file is notably sluggish, it could lead to a significant delay during its execution. Thus, understanding these nuances allows developers to better manage expectations regarding test performance and output.

API Access

Has API

API Access

Has API

Screenshots View All

Screenshots View All

Integrations

Captain
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Istanbul
Katalon Recorder
Katalon TestCloud
Testmo
AskUI
CI Fuzz
Carrot Seed
JavaScript
Karma
Katalon TestOps
Launchable
Nextbase
Nextless.js
Nodewood
Nx
PhantomJS
Pythagora
blanket.js

Integrations

Captain
Early
Istanbul
Katalon Recorder
Katalon TestCloud
Testmo
AskUI
CI Fuzz
Carrot Seed
JavaScript
Karma
Katalon TestOps
Launchable
Nextbase
Nextless.js
Nodewood
Nx
PhantomJS
Pythagora
blanket.js

Pricing Details

No price information available.
Free Trial
Free Version

Pricing Details

Free
Free Trial
Free Version

Deployment

Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook

Deployment

Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook

Customer Support

Business Hours
Live Rep (24/7)
Online Support

Customer Support

Business Hours
Live Rep (24/7)
Online Support

Types of Training

Training Docs
Webinars
Live Training (Online)
In Person

Types of Training

Training Docs
Webinars
Live Training (Online)
In Person

Vendor Details

Company Name

Jest

Country

United States

Website

jestjs.io

Vendor Details

Company Name

Mocha

Website

mochajs.org

Product Features

Software Testing

Automated Testing
Black-Box Testing
Dynamic Testing
Issue Tracking
Manual Testing
Quality Assurance Planning
Reporting / Analytics
Static Testing
Test Case Management
Variable Testing Methods
White-Box Testing

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