Testing

Unit tests

• Mocha: test framework
• Chai: assertion library
• Karma: test runner
• Server: Mocha + Chai
• Client: Mocha + Chai + Karma

Integration Testing

Frisby.js

• Use case: testing REST APIs exposed with Express.
• API testing framework based on Jasmine.

###End to End Testing

Protractor

• Use Case: big tests in which you have a running instance of your entire application should be run using Protractor. Protractor is intended to run tests from a user's point of view.
• Simulates user interactions
• Angular focused testing framework
• Recommended by Angular team

Test Coverage

Istanbul

• Transparent coverage of Node unit tests.