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Mocha is a JavaScript test framework for Node.js programs, featuring browser support, asynchronous testing, test coverage reports, and use of any assertion library. [ 1 ] Assertion libraries
Supports automatic test discovery, a rich set of assertions, user-defined assertions, death tests, fatal and non-fatal failures, various options for running the tests, and XML test report generation. Hestia MIT: Yes Yes Yes No No Yes Yes Yes Suites [129] Open source. Can test servers, libraries, and applications, and embedded software.
Jasmine comes with an inbuilt test runner. Jasmine tests can run browser tests by including a simple SpecRunner.html [9] file or by using it as a command line test runner supported for various languages like Nodejs, Python, Ruby, or (old way) by using Karma, [10] a simple JavaScript test runner tool.
It uses a command-line interface to run custom tasks defined in a file (known as a Gruntfile). Grunt was created by Ben Alman and is written in Node.js. It is distributed via npm. As of October 2022, there were more than 6,000 plugins available in the Grunt ecosystem. [5]
Node.js is a cross-platform, ... Node.js lets developers use JavaScript to write command line tools and for server-side scripting.
from the command line as a stand-alone process in a test environment; as a Docker container in any Docker-enabled environment; as a Vert.x module as part of an existing Vert.x environment; as a deployable WAR to an existing web server; as a grunt.js plugin as part of a grunt.js build cycle; as a Node.js (npm) module from any Node.js code [1]
For Node.js, jsdom [17] is the most complete provider. While most are able to support common browser features (HTML parsing, cookies, XHR, some JavaScript, etc.), they do not render the DOM and have limited support for DOM events. They usually perform faster than full browsers, but are unable to correctly interpret many popular websites.
While justified by the Yarn team as a need to address multiple design flaws in the typical Node.js module resolution, this change required some support from other projects in the ecosystem which took some time to materialise, adding friction to the migration from Yarn 1.22. to Yarn 2.0.