Test Runner Test Runner is a program that runs tests Required features: Run tests in parallel … Read more

Test Driven Development The concept of testing that can be describes by idea “tests … Read more

Sinon.js The library that provides the ability to write Mocks, Stubs, Spies It works with any … Read more

Rewire The library that provides the ability to do monkey-patching Links GitHub repo Read more

mocha.js Mocha is a JavaScript test framework running on Node Links mochajs.org Read more

JSDOM JSDOM is a JavaScript implementation of Document Object Model and Browser Object Model for … Read more

HTML HTML (HyperText Markup Language) is a markup language for document that are displayed in … Read more

Fixtures In Front End It’s fake data that replaces data from API (back end) responses … Read more

Domain Driven Design Read more

Document Object Model DOM is a programming interface for HTML and XML documents. Links … Read more

Chai.js The assertion library that can be used with any JavaScript testing framework. Links … Read more

Browser Object Model BOM is a browser’s API interfaces Additional objects, provided by … Read more

Behavior Driven Development The concept provides the ability to write test by kind of human … Read more

ava.js Ava is a JavaScript test runner for Node Links GitHub repo Read more

Assertion It provides the ability to write code in test to check expected value and output value … Read more

Arrange in unit test Preparing to acting of tests All errors in this phase are not actually … Read more

Test Doubles Dummy (Dummy Object) doesn’t have any data inside can be empty object {} … Read more

Arrange-Act-Assert AAA is a pattern for structure Unit test Follow the AAA Arrange in unit test … Read more

(Anti-)fragility in testing Test is anti fragile if module’s test is green after … Read more

End-to-End tests End-to-End (e2e) tests are tests that emulate user’s behaviour. Basically, … Read more