Unit Test with Jasmine - Tuong-Nguyen/JavaScript-Structure GitHub Wiki

Jasmine is the testing framework used by Angular team. Therefore, it would be good to use it for testing our Angular project.

Jasmine

Structure

describe
beforeAll/afterAll beforeEach/afterEach it
expect

Pending/Focus

• xit

• pending

• fit

• fdescribe

Matcher

expect(actual).toBe(matcher);

• String
• Existence
• Object
• Array
• Custom

Spy

• Track function invocation
• Parameter lists for all invocations
• Can call through
• Can call another function
• Can return arbitrary value
• Can throw Error

Mock the clock and Date

• setTimeout - setInterval
• Set Date

Asynchronous

• Default timeout = 5 seconds
• Done

Setup Jasmine

Server (Node)

Install

npm install jasmine --save

Create configuration file

"node_modules/.bin/jasmine" init

Run

Add a task test into package.json

"scripts": {
    "test": "jasmine"
  }

Run the tests with command: npm test

Combine with compile script for compiling typescript files:

"scripts": {
    "compile": "tsc -p .",
    "test": "jasmine"
  }