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

Google Puppeteer

https://developers.google.com/web/tools/puppeteer

Test’em

https://github.com/testem/testem
Programming language

JavaScript

JavaScript

Category

Browser Automation

Unit Testing

General info

Puppeteer is a Node library which provides browser automation for chrome and chromium

Puppeteer runs headless by default, but can be configured to run full (non-headless) Chrome or Chromium; It provides a high-level API to control Chromium or Chrome over the DevTools Protocol

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
xUnit
Set of frameworks originating from SUnit (Smalltalk's testing framework). They share similar structure and functionality.

No

It has an xUnit reporter
Client-side
Allows testing code execution on the client, such as a web browser

Yes

Most things you can do manually in the browser can be done using puppeteer, therefore you can create a testing environment for your tests to run directly. You can test front-end functionality such as UI testing with puppeteer

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

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

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.

No

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)

No

Grouping
Allows organizing tests in groups

No

Other
Other useful information about the testing framework