JSSpec vs Lens comparison of testing frameworks
What are the differences between JSSpec and Lens?

	JSSpec https://github.com/jsspec/jsspec	Lens https://github.com/spencer-mortensen/lens
Programming language	JavaScript	PHP
Category	Unit Testing	Unit Testing
General info	Javascript BDD (Behaviour Driven Development) based test runner/framework Contextualised spec runner for JavaScript in the flavour of RSpec (Ruby Spec runner). JSSpec has got 2 really powerful features which helps you to make unit testing easier: 1) Shared examples 2) Shared contexts	Lens is a unit-testing framework for PHP Lens is a unit-testing framework for PHP that needs no assertions
xUnit Set of frameworks originating from SUnit (Smalltalk's testing framework). They share similar structure and functionality.	No	N/A
Client-side Allows testing code execution on the client, such as a web browser	Yes JSSpec is primarily used for testing front-end/client-side components and functionality	Yes It can test front end components
Server-side Allows testing the bahovior of a server-side code	No	Yes It can test back-end behaviour
Fixtures Allows defining a fixed, specific states of data (fixtures) that are test-local. This ensures specific environment for a single test	N/A	N/A
Group fixtures Allows defining a fixed, specific states of data for a group of tests (group-fixtures). This ensures specific environment for a given group of tests.	N/A	N/A
Generators Supports data generators for tests. Data generators generate input data for test. The test is then run for each input data produced in this way.	N/A	N/A
Licence Licence type governing the use and redistribution of the software	N/A	N/A
Mocks Mocks are objects that simulate the behavior of real objects. Using mocks allows testing some part of the code in isolation (with other parts mocked when needed)	Yes It has a module doubles (mocks/spies) for mocking and spying	N/A
Grouping Allows organizing tests in groups	N/A	N/A
Other Other useful information about the testing framework