Cucumber JS, Jasmine, and Mocha are the most commonly used frameworks used in JavaScript. Below is the comparison of all these frameworks w.r.t features:
| Feature | Cucumber JS | Jasmine | Mocha |
|---|---|---|---|
|
Assertion library
|
Need to be integrated with Cucumber-assert
|
Inbuilt
|
Need to be integrated with different assertion libraries: Chai, should.js, expect.js, better-assert
|
|
Gerkin Language support
|
Inbuilt
|
Need to be integrated with Karma or Cucumber
|
Need to be integrated with Mocha-Cakes or mocha-gerkin
|
|
Grouping/tagging of test
|
Yes
|
Yes
|
Yes
|
|
Test Runner
|
Command line
|
Command line
|
Command line
|
|
Reporting
|
Intuitive reports using cucumber-html-reporter and multiple-cucumber-html-reporter libraries
|
Either cucumber reports can be generated or karma-jasmine-html-reporter or jasmine-pretty-html-reporter can be used, but these reports are less intuitive than Cucumber
|
Mocha-simple-html-reporter and mochawesome can be used for reporting. Mochawesome reports are intuitive, just like cucumber reports
|
|
Documentation/Forums support
|
Yes
|
Yes
|
Yes
|
|
Rerun of failed tests
|
No inbuilt support for JS version of Cucumber
|
No inbuilt support
|
Inbuilt support available
|
|
Highlight slow tests
|
No support available
|
Can be implemented using jasmine-slow-reporter
|
Inbuilt support available
|
|
Asynchronous testing
|
Easy
|
Difficult
|
Easy
|
|
Parallel execution
|
Yes
|
Yes
|
Yes
|
|
Plug-in support and extensibility
|
Limited
|
Limited
|
Good
|
All the above are used for JavaScript based frameworks.
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