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

	Lens https://github.com/spencer-mortensen/lens	JSSpec https://github.com/jsspec/jsspec
Programming language	PHP	JavaScript
Category	Unit Testing	Unit Testing
General info	Lens is a unit-testing framework for PHP Lens is a unit-testing framework for PHP that needs no assertions	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
xUnit Set of frameworks originating from SUnit (Smalltalk's testing framework). They share similar structure and functionality.	N/A	No
Client-side Allows testing code execution on the client, such as a web browser	Yes It can test front end components	Yes JSSpec is primarily used for testing front-end/client-side components and functionality
Server-side Allows testing the bahovior of a server-side code	Yes It can test back-end behaviour	No
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)	N/A	Yes It has a module doubles (mocks/spies) for mocking and spying
Grouping Allows organizing tests in groups	N/A	N/A
Other Other useful information about the testing framework