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

	Hound https://github.com/HashNuke/hound	Lens https://github.com/spencer-mortensen/lens
Programming language	Elixir	PHP
Category	Browser Automation, Intergration Testing	Unit Testing
General info	Elixir library for browser automation and writing intergration tests It is a front-end testing library that has support for: Selenium (Firefox, Chrome), ChromeDriver and PhantomJs. Also supports JavaScript applications and retries tests a few times before reporting errors	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 Allows for browser Automation and writing of end-to-end tests for web apps, supports Selenium WebDriver, ChromeDriver, and PhantomJS - GhostDriver	Yes It can test front end components
Server-side Allows testing the bahovior of a server-side code	N/A	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.	Yes Not inbuilt but by use of a third party library like ExopData	N/A
Licence Licence type governing the use and redistribution of the software	MIT License	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 Yes, through the use of a third party library like Mockery	N/A
Grouping Allows organizing tests in groups	N/A	N/A
Other Other useful information about the testing framework