Test’em vs Atata comparison of testing frameworks
What are the differences between Test’em and Atata?

	Test’em https://github.com/testem/testem	Atata https://atata.io/
Programming language	JavaScript	.NET
Category	Unit Testing
General info	A Unit testing test runner for JavaScript Test'em is framework agnostic and has support for Jasmine, Qunit, Mocha and others through custom test framework adapters. It canalso run tests on all major browsers as well as Node and Phantomjs	Atata is a C# / .NET test automation framework for web Atata is an open source test framework that uses fluent object pattern. It consists of the following concepts: components (controls and page objects), attributes of the control search, settings attributes, triggers, verification attributes and methods
xUnit Set of frameworks originating from SUnit (Smalltalk's testing framework). They share similar structure and functionality.	It has an xUnit reporter	Yes You can use Atata with xUnit frameworks
Client-side Allows testing code execution on the client, such as a web browser		Yes Atata is based on selenium and is used for browser automation. You can test various front-end functionalities and behaviours
Server-side Allows testing the bahovior of a server-side code		No
Fixtures Allows defining a fixed, specific states of data (fixtures) that are test-local. This ensures specific environment for a single test
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.
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.
Licence Licence type governing the use and redistribution of the software		Apache License 2.0
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)
Grouping Allows organizing tests in groups
Other Other useful information about the testing framework