随笔分类 - Unit Testing
摘要：For example we have a React comonent: -- A toggle button, we want to test. When it si toggle on, the color is a little bit darken than it's not. Testi
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摘要：For intergration tests, always remember when you create a 'mass' you should aslo clean up the 'mass'. For example when you start the server, you need
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摘要：We have express app: As you can see, we wrap Express App into a function 'startServer' and export it as default export. The return value of this funct
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摘要：directive: test:
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摘要：For example, when testing container component we might import lots of children components, but we didn't actually testing those children components. S
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摘要：The main idea for testing contianer component is to make sure it setup everythings correctlly. Call the onInit() lifecycle first, then the variables h
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摘要：Component: Test:
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摘要：Component: Test @Input & @Output:
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摘要：component:
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摘要：import { Http, Response, ResponseOptions } from '@angular/http'; import { TestBed } from '@angular/core/testing'; import { BrowserDynamicTestingModule, platformBrowserDynamicTesting } from '@angular/...
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摘要：import { TestBed, ComponentFixture } from '@angular/core/testing'; import { BrowserDynamicTestingModule, platformBrowserDynamicTesting } from '@angular/platform-browser-dynamic/testing'; import { Fil...
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摘要：import { Pipe, PipeTransform } from '@angular/core'; @Pipe({ name: 'filesize' }) export class FileSizePipe implements PipeTransform { transform(size: number, extension: string = 'MB') { retu...
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摘要：In this lesson, we will use Chai's request method to test our Node application's API responses.By the end of this lesson, you will know how to:- insta
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摘要：import React from 'react' const Release = React.createClass({ render() { const { title, artist, outOfPrint } = this.props.release; const className = outOfPrint? 'release outOfPri...
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摘要：The problem we face daily when we do testing: The Data structure may changing, component outlook might changing... this makes it hard for us do testin
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摘要：Often when testing, you use the actual result to create your assertion and have to manually update it as you make changes to the feature. With Jest sn
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摘要：Recommend to use angular-cli to generate component and service, so we can get testing templates. Component with injected service: Service:
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摘要：Writing great ES6 style Promises for Node.js is only half the battle. Your great modules must include tests as well to ensure future iterations don't
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摘要：Traditionally you had to create DOM elements to test a directive but by shifting our focus to components, writing unit tests got a lot easier using $c
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摘要：Jest comes pre-packaged with the ability to track code coverage for the modules you're testing, but it takes a little extra work to make it track unte
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