613 lines
23 KiB
TypeScript
613 lines
23 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {NgIf} from '@angular/common';
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import {Component, Injectable, Input, NgModule, Pipe, ViewMetadata} from '@angular/core';
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import {ComponentFixtureAutoDetect, ComponentFixtureNoNgZone, TestComponentBuilder, withProviders} from '@angular/core/testing';
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import {AsyncTestCompleter, beforeEach, beforeEachProviders, ddescribe, describe, iit, inject, it, xdescribe, xit} from '@angular/core/testing/testing_internal';
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import {dispatchEvent} from '@angular/platform-browser/testing/browser_util';
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import {expect} from '@angular/platform-browser/testing/matchers';
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@Component(
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{selector: 'child-comp', template: `<span>Original {{childBinding}}</span>`, directives: []})
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@Injectable()
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class ChildComp {
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childBinding: string;
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constructor() { this.childBinding = 'Child'; }
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}
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@Component({selector: 'child-comp', template: `<span>Mock</span>`})
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@Injectable()
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class MockChildComp {
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}
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@Component({
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selector: 'parent-comp',
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template: `Parent(<child-comp></child-comp>)`,
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directives: [ChildComp]
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})
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@Injectable()
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class ParentComp {
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}
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@Component({
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selector: 'my-if-comp',
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template: `MyIf(<span *ngIf="showMore">More</span>)`,
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directives: [NgIf]
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})
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@Injectable()
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class MyIfComp {
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showMore: boolean = false;
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}
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@Component({selector: 'child-child-comp', template: `<span>ChildChild</span>`})
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@Injectable()
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class ChildChildComp {
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}
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@Component({
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selector: 'child-comp',
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template: `<span>Original {{childBinding}}(<child-child-comp></child-child-comp>)</span>`,
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directives: [ChildChildComp]
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})
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@Injectable()
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class ChildWithChildComp {
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childBinding: string;
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constructor() { this.childBinding = 'Child'; }
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}
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@Component({selector: 'child-child-comp', template: `<span>ChildChild Mock</span>`})
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@Injectable()
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class MockChildChildComp {
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}
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@Component({selector: 'autodetect-comp', template: `<span (click)='click()'>{{text}}</span>`})
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class AutoDetectComp {
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text: string = '1';
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click() { this.text += '1'; }
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}
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@Component({selector: 'async-comp', template: `<span (click)='click()'>{{text}}</span>`})
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class AsyncComp {
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text: string = '1';
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click() {
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Promise.resolve(null).then((_) => { this.text += '1'; });
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}
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}
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@Component({selector: 'async-child-comp', template: '<span>{{localText}}</span>'})
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class AsyncChildComp {
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localText: string = '';
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@Input()
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set text(value: string) {
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Promise.resolve(null).then((_) => { this.localText = value; });
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}
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}
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@Component({
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selector: 'async-change-comp',
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template: `<async-child-comp (click)='click()' [text]="text"></async-child-comp>`,
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directives: [AsyncChildComp]
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})
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class AsyncChangeComp {
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text: string = '1';
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click() { this.text += '1'; }
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}
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@Component({selector: 'async-timeout-comp', template: `<span (click)='click()'>{{text}}</span>`})
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class AsyncTimeoutComp {
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text: string = '1';
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click() {
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setTimeout(() => { this.text += '1'; }, 10);
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}
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}
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@Component(
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{selector: 'nested-async-timeout-comp', template: `<span (click)='click()'>{{text}}</span>`})
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class NestedAsyncTimeoutComp {
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text: string = '1';
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click() {
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setTimeout(() => { setTimeout(() => { this.text += '1'; }, 10); }, 10);
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}
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}
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class FancyService {
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value: string = 'real value';
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}
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class MockFancyService extends FancyService {
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value: string = 'mocked out value';
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}
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@Component({
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selector: 'my-service-comp',
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providers: [FancyService],
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template: `injected value: {{fancyService.value}}`
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})
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class TestBindingsComp {
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constructor(private fancyService: FancyService) {}
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}
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@Component({
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selector: 'my-service-comp',
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viewProviders: [FancyService],
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template: `injected value: {{fancyService.value}}`
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})
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class TestViewBindingsComp {
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constructor(private fancyService: FancyService) {}
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}
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@Component({selector: 'li1', template: `<span>One</span>`})
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class ListDir1 {
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}
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@Component({selector: 'li1', template: `<span>Alternate One</span>`})
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class ListDir1Alt {
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}
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@Component({selector: 'li2', template: `<span>Two</span>`})
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class ListDir2 {
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}
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const LIST_CHILDREN = [ListDir1, ListDir2];
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@Component({
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selector: 'directive-list-comp',
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template: `(<li1></li1>)(<li2></li2>)`,
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directives: [LIST_CHILDREN]
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})
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class DirectiveListComp {
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}
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export function main() {
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describe('test component builder', function() {
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it('should instantiate a component with valid DOM',
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inject(
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[TestComponentBuilder, AsyncTestCompleter],
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(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
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tcb.createAsync(ChildComp).then((componentFixture) => {
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componentFixture.detectChanges();
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expect(componentFixture.nativeElement).toHaveText('Original Child');
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async.done();
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});
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}));
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it('should allow changing members of the component',
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inject(
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[TestComponentBuilder, AsyncTestCompleter],
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(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
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tcb.createAsync(MyIfComp).then((componentFixture) => {
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componentFixture.detectChanges();
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expect(componentFixture.nativeElement).toHaveText('MyIf()');
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componentFixture.componentInstance.showMore = true;
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componentFixture.detectChanges();
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expect(componentFixture.nativeElement).toHaveText('MyIf(More)');
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async.done();
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});
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}));
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it('should override a template',
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inject(
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[TestComponentBuilder, AsyncTestCompleter],
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(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
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tcb.overrideTemplate(MockChildComp, '<span>Mock</span>')
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.createAsync(MockChildComp)
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.then((componentFixture) => {
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componentFixture.detectChanges();
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expect(componentFixture.nativeElement).toHaveText('Mock');
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async.done();
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});
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}));
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it('should override a view',
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inject(
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[TestComponentBuilder, AsyncTestCompleter],
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(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
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tcb.overrideView(
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ChildComp,
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new ViewMetadata({template: '<span>Modified {{childBinding}}</span>'}))
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.createAsync(ChildComp)
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.then((componentFixture) => {
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componentFixture.detectChanges();
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expect(componentFixture.nativeElement).toHaveText('Modified Child');
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async.done();
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});
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}));
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it('should override component dependencies',
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inject(
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[TestComponentBuilder, AsyncTestCompleter],
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(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
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tcb.overrideDirective(ParentComp, ChildComp, MockChildComp)
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.createAsync(ParentComp)
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.then((componentFixture) => {
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componentFixture.detectChanges();
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expect(componentFixture.nativeElement).toHaveText('Parent(Mock)');
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async.done();
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});
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}));
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it('should override items from a list',
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inject(
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[TestComponentBuilder, AsyncTestCompleter],
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(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
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tcb.overrideDirective(DirectiveListComp, ListDir1, ListDir1Alt)
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.createAsync(DirectiveListComp)
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.then((componentFixture) => {
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componentFixture.detectChanges();
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expect(componentFixture.nativeElement).toHaveText('(Alternate One)(Two)');
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async.done();
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});
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}));
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it('should override child component\'s dependencies',
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inject(
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[TestComponentBuilder, AsyncTestCompleter],
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(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
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tcb.overrideDirective(ParentComp, ChildComp, ChildWithChildComp)
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.overrideDirective(ChildWithChildComp, ChildChildComp, MockChildChildComp)
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.createAsync(ParentComp)
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.then((componentFixture) => {
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componentFixture.detectChanges();
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expect(componentFixture.nativeElement)
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.toHaveText('Parent(Original Child(ChildChild Mock))');
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async.done();
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});
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}));
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it('should override a provider',
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inject(
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[TestComponentBuilder, AsyncTestCompleter],
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(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
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tcb.overrideProviders(
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TestBindingsComp, [{provide: FancyService, useClass: MockFancyService}])
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.createAsync(TestBindingsComp)
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.then((componentFixture) => {
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componentFixture.detectChanges();
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expect(componentFixture.nativeElement)
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.toHaveText('injected value: mocked out value');
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async.done();
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});
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}));
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it('should override a viewBinding',
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inject(
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[TestComponentBuilder, AsyncTestCompleter],
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(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
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tcb.overrideViewProviders(
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TestViewBindingsComp, [{provide: FancyService, useClass: MockFancyService}])
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.createAsync(TestViewBindingsComp)
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.then((componentFixture) => {
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componentFixture.detectChanges();
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expect(componentFixture.nativeElement)
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.toHaveText('injected value: mocked out value');
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async.done();
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});
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}));
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it('should create components synchronously',
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inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
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let componentFixture =
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tcb.overrideTemplate(MockChildComp, '<span>Mock</span>').createSync(MockChildComp);
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componentFixture.detectChanges();
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expect(componentFixture.nativeElement).toHaveText('Mock');
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}));
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describe('ComponentFixture', () => {
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it('should auto detect changes if autoDetectChanges is called',
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inject(
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[TestComponentBuilder, AsyncTestCompleter],
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(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
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tcb.createAsync(AutoDetectComp).then((componentFixture) => {
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expect(componentFixture.ngZone).not.toBeNull();
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componentFixture.autoDetectChanges();
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expect(componentFixture.nativeElement).toHaveText('1');
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let element = componentFixture.debugElement.children[0];
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dispatchEvent(element.nativeElement, 'click');
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expect(componentFixture.isStable()).toBe(true);
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expect(componentFixture.nativeElement).toHaveText('11');
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async.done();
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});
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}));
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it('should auto detect changes if ComponentFixtureAutoDetect is provided as true',
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withProviders(() => [{provide: ComponentFixtureAutoDetect, useValue: true}])
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.inject(
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[TestComponentBuilder, AsyncTestCompleter],
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(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
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tcb.createAsync(AutoDetectComp).then((componentFixture) => {
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expect(componentFixture.nativeElement).toHaveText('1');
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let element = componentFixture.debugElement.children[0];
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dispatchEvent(element.nativeElement, 'click');
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expect(componentFixture.nativeElement).toHaveText('11');
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async.done();
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});
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}));
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it('should signal through whenStable when the fixture is stable (autoDetectChanges)',
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inject(
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[TestComponentBuilder, AsyncTestCompleter],
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(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
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tcb.createAsync(AsyncComp).then((componentFixture) => {
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componentFixture.autoDetectChanges();
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expect(componentFixture.nativeElement).toHaveText('1');
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let element = componentFixture.debugElement.children[0];
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dispatchEvent(element.nativeElement, 'click');
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expect(componentFixture.nativeElement).toHaveText('1');
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// Component is updated asynchronously. Wait for the fixture to become stable
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// before checking for new value.
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expect(componentFixture.isStable()).toBe(false);
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componentFixture.whenStable().then((waited) => {
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expect(waited).toBe(true);
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expect(componentFixture.nativeElement).toHaveText('11');
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async.done();
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});
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});
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}));
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it('should signal through isStable when the fixture is stable (no autoDetectChanges)',
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inject(
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[TestComponentBuilder, AsyncTestCompleter],
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(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
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tcb.createAsync(AsyncComp).then((componentFixture) => {
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componentFixture.detectChanges();
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expect(componentFixture.nativeElement).toHaveText('1');
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let element = componentFixture.debugElement.children[0];
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dispatchEvent(element.nativeElement, 'click');
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expect(componentFixture.nativeElement).toHaveText('1');
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// Component is updated asynchronously. Wait for the fixture to become stable
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// before checking.
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componentFixture.whenStable().then((waited) => {
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expect(waited).toBe(true);
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componentFixture.detectChanges();
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expect(componentFixture.nativeElement).toHaveText('11');
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async.done();
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});
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});
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}));
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it('should wait for macroTask(setTimeout) while checking for whenStable ' +
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'(autoDetectChanges)',
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inject(
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[TestComponentBuilder, AsyncTestCompleter],
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(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
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tcb.createAsync(AsyncTimeoutComp).then((componentFixture) => {
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componentFixture.autoDetectChanges();
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expect(componentFixture.nativeElement).toHaveText('1');
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let element = componentFixture.debugElement.children[0];
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dispatchEvent(element.nativeElement, 'click');
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expect(componentFixture.nativeElement).toHaveText('1');
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// Component is updated asynchronously. Wait for the fixture to become
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// stable before checking for new value.
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expect(componentFixture.isStable()).toBe(false);
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componentFixture.whenStable().then((waited) => {
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expect(waited).toBe(true);
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expect(componentFixture.nativeElement).toHaveText('11');
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async.done();
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});
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});
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}));
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it('should wait for macroTask(setTimeout) while checking for whenStable ' +
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'(no autoDetectChanges)',
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inject(
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[TestComponentBuilder, AsyncTestCompleter],
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(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
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tcb.createAsync(AsyncTimeoutComp).then((componentFixture) => {
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componentFixture.detectChanges();
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expect(componentFixture.nativeElement).toHaveText('1');
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let element = componentFixture.debugElement.children[0];
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dispatchEvent(element.nativeElement, 'click');
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expect(componentFixture.nativeElement).toHaveText('1');
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// Component is updated asynchronously. Wait for the fixture to become
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// stable before checking for new value.
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expect(componentFixture.isStable()).toBe(false);
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componentFixture.whenStable().then((waited) => {
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expect(waited).toBe(true);
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componentFixture.detectChanges();
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expect(componentFixture.nativeElement).toHaveText('11');
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async.done();
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});
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});
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}));
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it('should wait for nested macroTasks(setTimeout) while checking for whenStable ' +
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'(autoDetectChanges)',
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inject(
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[TestComponentBuilder, AsyncTestCompleter],
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(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
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tcb.createAsync(NestedAsyncTimeoutComp).then((componentFixture) => {
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componentFixture.autoDetectChanges();
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expect(componentFixture.nativeElement).toHaveText('1');
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let element = componentFixture.debugElement.children[0];
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dispatchEvent(element.nativeElement, 'click');
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expect(componentFixture.nativeElement).toHaveText('1');
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// Component is updated asynchronously. Wait for the fixture to become
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// stable before checking for new value.
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expect(componentFixture.isStable()).toBe(false);
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componentFixture.whenStable().then((waited) => {
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expect(waited).toBe(true);
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expect(componentFixture.nativeElement).toHaveText('11');
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async.done();
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});
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});
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}));
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it('should wait for nested macroTasks(setTimeout) while checking for whenStable ' +
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'(no autoDetectChanges)',
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inject(
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[TestComponentBuilder, AsyncTestCompleter],
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(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
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tcb.createAsync(NestedAsyncTimeoutComp).then((componentFixture) => {
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componentFixture.detectChanges();
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expect(componentFixture.nativeElement).toHaveText('1');
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let element = componentFixture.debugElement.children[0];
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dispatchEvent(element.nativeElement, 'click');
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expect(componentFixture.nativeElement).toHaveText('1');
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// Component is updated asynchronously. Wait for the fixture to become
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// stable before checking for new value.
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expect(componentFixture.isStable()).toBe(false);
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componentFixture.whenStable().then((waited) => {
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expect(waited).toBe(true);
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componentFixture.detectChanges();
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expect(componentFixture.nativeElement).toHaveText('11');
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async.done();
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});
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});
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}));
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it('should stabilize after async task in change detection (autoDetectChanges)',
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inject(
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[TestComponentBuilder, AsyncTestCompleter],
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(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
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tcb.createAsync(AsyncChangeComp).then((componentFixture) => {
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componentFixture.autoDetectChanges();
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componentFixture.whenStable().then((_) => {
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expect(componentFixture.nativeElement).toHaveText('1');
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let element = componentFixture.debugElement.children[0];
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dispatchEvent(element.nativeElement, 'click');
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componentFixture.whenStable().then((_) => {
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expect(componentFixture.nativeElement).toHaveText('11');
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async.done();
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});
|
|
});
|
|
});
|
|
}));
|
|
|
|
it('should stabilize after async task in change detection(no autoDetectChanges)',
|
|
inject(
|
|
[TestComponentBuilder, AsyncTestCompleter],
|
|
(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
|
|
|
|
tcb.createAsync(AsyncChangeComp).then((componentFixture) => {
|
|
componentFixture.detectChanges();
|
|
componentFixture.whenStable().then((_) => {
|
|
// Run detectChanges again so that stabilized value is reflected in the
|
|
// DOM.
|
|
componentFixture.detectChanges();
|
|
expect(componentFixture.nativeElement).toHaveText('1');
|
|
|
|
let element = componentFixture.debugElement.children[0];
|
|
dispatchEvent(element.nativeElement, 'click');
|
|
componentFixture.detectChanges();
|
|
|
|
componentFixture.whenStable().then((_) => {
|
|
// Run detectChanges again so that stabilized value is reflected in
|
|
// the DOM.
|
|
componentFixture.detectChanges();
|
|
expect(componentFixture.nativeElement).toHaveText('11');
|
|
async.done();
|
|
});
|
|
});
|
|
});
|
|
}));
|
|
|
|
describe('No NgZone', () => {
|
|
beforeEachProviders(() => [{provide: ComponentFixtureNoNgZone, useValue: true}]);
|
|
|
|
it('calling autoDetectChanges raises an error', () => {
|
|
inject(
|
|
[TestComponentBuilder, AsyncTestCompleter],
|
|
(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
|
|
tcb.createAsync(ChildComp).then((componentFixture) => {
|
|
expect(() => { componentFixture.autoDetectChanges(); })
|
|
.toThrow(
|
|
'Cannot call autoDetectChanges when ComponentFixtureNoNgZone is set!!');
|
|
async.done();
|
|
});
|
|
});
|
|
});
|
|
|
|
it('should instantiate a component with valid DOM',
|
|
inject(
|
|
[TestComponentBuilder, AsyncTestCompleter],
|
|
(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
|
|
|
|
tcb.createAsync(ChildComp).then((componentFixture) => {
|
|
expect(componentFixture.ngZone).toBeNull();
|
|
componentFixture.detectChanges();
|
|
expect(componentFixture.nativeElement).toHaveText('Original Child');
|
|
async.done();
|
|
});
|
|
}));
|
|
|
|
it('should allow changing members of the component',
|
|
inject(
|
|
[TestComponentBuilder, AsyncTestCompleter],
|
|
(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
|
|
|
|
tcb.createAsync(MyIfComp).then((componentFixture) => {
|
|
componentFixture.detectChanges();
|
|
expect(componentFixture.nativeElement).toHaveText('MyIf()');
|
|
|
|
componentFixture.componentInstance.showMore = true;
|
|
componentFixture.detectChanges();
|
|
expect(componentFixture.nativeElement).toHaveText('MyIf(More)');
|
|
|
|
async.done();
|
|
});
|
|
}));
|
|
});
|
|
|
|
});
|
|
});
|
|
}
|