refactor: move angular source to /packages rather than modules/@angular
This commit is contained in:
Jason Aden
357
packages/core/test/debug/debug_node_spec.ts
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357
packages/core/test/debug/debug_node_spec.ts
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/**
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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 {EventEmitter, Injectable, NO_ERRORS_SCHEMA} from '@angular/core';
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import {Component, Directive, Input} from '@angular/core/src/metadata';
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import {ComponentFixture, TestBed, async} from '@angular/core/testing';
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import {By} from '@angular/platform-browser/src/dom/debug/by';
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import {getDOM} from '@angular/platform-browser/src/dom/dom_adapter';
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import {expect} from '@angular/platform-browser/testing/matchers';
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@Injectable()
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class Logger {
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logs: string[];
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constructor() { this.logs = []; }
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add(thing: string) { this.logs.push(thing); }
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}
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@Directive({selector: '[message]', inputs: ['message']})
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class MessageDir {
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logger: Logger;
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constructor(logger: Logger) { this.logger = logger; }
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set message(newMessage: string) { this.logger.add(newMessage); }
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}
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@Component({
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selector: 'child-comp',
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template: `<div class="child" message="child">
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<span class="childnested" message="nestedchild">Child</span>
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</div>
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<span class="child" [innerHtml]="childBinding"></span>`,
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})
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class ChildComp {
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childBinding: string;
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constructor() { this.childBinding = 'Original'; }
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}
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@Component({
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selector: 'parent-comp',
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viewProviders: [Logger],
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template: `<div class="parent" message="parent">
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<span class="parentnested" message="nestedparent">Parent</span>
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</div>
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<span class="parent" [innerHtml]="parentBinding"></span>
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<child-comp class="child-comp-class"></child-comp>`,
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})
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class ParentComp {
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parentBinding: string;
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constructor() { this.parentBinding = 'OriginalParent'; }
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}
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@Directive({selector: 'custom-emitter', outputs: ['myevent']})
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class CustomEmitter {
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myevent: EventEmitter<any>;
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constructor() { this.myevent = new EventEmitter(); }
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}
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@Component({
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selector: 'events-comp',
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template: `<button (click)="handleClick()"></button>
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<custom-emitter (myevent)="handleCustom()"></custom-emitter>`,
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})
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class EventsComp {
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clicked: boolean;
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customed: boolean;
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constructor() {
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this.clicked = false;
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this.customed = false;
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}
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handleClick() { this.clicked = true; }
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handleCustom() { this.customed = true; }
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}
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@Component({
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selector: 'cond-content-comp',
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viewProviders: [Logger],
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template: `<div class="child" message="child" *ngIf="myBool"><ng-content></ng-content></div>`,
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})
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class ConditionalContentComp {
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myBool: boolean = false;
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}
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@Component({
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selector: 'conditional-parent-comp',
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viewProviders: [Logger],
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template: `<span class="parent" [innerHtml]="parentBinding"></span>
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<cond-content-comp class="cond-content-comp-class">
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<span class="from-parent"></span>
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</cond-content-comp>`,
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})
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class ConditionalParentComp {
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parentBinding: string;
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constructor() { this.parentBinding = 'OriginalParent'; }
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}
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@Component({
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selector: 'using-for',
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viewProviders: [Logger],
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template: `<span *ngFor="let thing of stuff" [innerHtml]="thing"></span>
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<ul message="list">
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<li *ngFor="let item of stuff" [innerHtml]="item"></li>
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</ul>`,
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})
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class UsingFor {
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stuff: string[];
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constructor() { this.stuff = ['one', 'two', 'three']; }
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}
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@Directive({selector: '[mydir]', exportAs: 'mydir'})
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class MyDir {
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}
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@Component({
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selector: 'locals-comp',
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template: `
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<div mydir #alice="mydir"></div>
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`,
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})
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class LocalsComp {
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}
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@Component({
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selector: 'bank-account',
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template: `
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Bank Name: {{bank}}
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Account Id: {{id}}
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`
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})
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class BankAccount {
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@Input() bank: string;
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@Input('account') id: string;
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normalizedBankName: string;
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}
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@Component({
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selector: 'test-app',
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template: `
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<bank-account bank="RBC"
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account="4747"
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[style.width.px]="width"
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[style.color]="color"
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[class.closed]="isClosed"
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[class.open]="!isClosed"></bank-account>
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`,
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})
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class TestApp {
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width = 200;
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color = 'red';
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isClosed = true;
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}
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export function main() {
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describe('debug element', () => {
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let fixture: ComponentFixture<any>;
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beforeEach(async(() => {
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TestBed.configureTestingModule({
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declarations: [
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ChildComp,
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ConditionalContentComp,
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ConditionalParentComp,
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CustomEmitter,
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EventsComp,
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LocalsComp,
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MessageDir,
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MyDir,
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ParentComp,
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TestApp,
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UsingFor,
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],
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providers: [Logger],
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schemas: [NO_ERRORS_SCHEMA],
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});
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}));
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it('should list all child nodes', () => {
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fixture = TestBed.createComponent(ParentComp);
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fixture.detectChanges();
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// The root component has 3 elements and 2 text node children.
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expect(fixture.debugElement.childNodes.length).toEqual(5);
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});
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it('should list all component child elements', () => {
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fixture = TestBed.createComponent(ParentComp);
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fixture.detectChanges();
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const childEls = fixture.debugElement.children;
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// The root component has 3 elements in its view.
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expect(childEls.length).toEqual(3);
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expect(getDOM().hasClass(childEls[0].nativeElement, 'parent')).toBe(true);
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expect(getDOM().hasClass(childEls[1].nativeElement, 'parent')).toBe(true);
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expect(getDOM().hasClass(childEls[2].nativeElement, 'child-comp-class')).toBe(true);
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const nested = childEls[0].children;
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expect(nested.length).toEqual(1);
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expect(getDOM().hasClass(nested[0].nativeElement, 'parentnested')).toBe(true);
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const childComponent = childEls[2];
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const childCompChildren = childComponent.children;
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expect(childCompChildren.length).toEqual(2);
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expect(getDOM().hasClass(childCompChildren[0].nativeElement, 'child')).toBe(true);
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expect(getDOM().hasClass(childCompChildren[1].nativeElement, 'child')).toBe(true);
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const childNested = childCompChildren[0].children;
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expect(childNested.length).toEqual(1);
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expect(getDOM().hasClass(childNested[0].nativeElement, 'childnested')).toBe(true);
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});
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it('should list conditional component child elements', () => {
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fixture = TestBed.createComponent(ConditionalParentComp);
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fixture.detectChanges();
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const childEls = fixture.debugElement.children;
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// The root component has 2 elements in its view.
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expect(childEls.length).toEqual(2);
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expect(getDOM().hasClass(childEls[0].nativeElement, 'parent')).toBe(true);
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expect(getDOM().hasClass(childEls[1].nativeElement, 'cond-content-comp-class')).toBe(true);
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const conditionalContentComp = childEls[1];
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expect(conditionalContentComp.children.length).toEqual(0);
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conditionalContentComp.componentInstance.myBool = true;
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fixture.detectChanges();
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expect(conditionalContentComp.children.length).toEqual(1);
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});
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it('should list child elements within viewports', () => {
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fixture = TestBed.createComponent(UsingFor);
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fixture.detectChanges();
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const childEls = fixture.debugElement.children;
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expect(childEls.length).toEqual(4);
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// The 4th child is the <ul>
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const list = childEls[3];
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expect(list.children.length).toEqual(3);
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});
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it('should list element attributes', () => {
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fixture = TestBed.createComponent(TestApp);
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fixture.detectChanges();
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const bankElem = fixture.debugElement.children[0];
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expect(bankElem.attributes['bank']).toEqual('RBC');
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expect(bankElem.attributes['account']).toEqual('4747');
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});
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it('should list element classes', () => {
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fixture = TestBed.createComponent(TestApp);
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fixture.detectChanges();
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const bankElem = fixture.debugElement.children[0];
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expect(bankElem.classes['closed']).toBe(true);
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expect(bankElem.classes['open']).toBe(false);
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});
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it('should list element styles', () => {
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fixture = TestBed.createComponent(TestApp);
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fixture.detectChanges();
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const bankElem = fixture.debugElement.children[0];
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expect(bankElem.styles['width']).toEqual('200px');
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expect(bankElem.styles['color']).toEqual('red');
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});
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it('should query child elements by css', () => {
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fixture = TestBed.createComponent(ParentComp);
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fixture.detectChanges();
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const childTestEls = fixture.debugElement.queryAll(By.css('child-comp'));
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expect(childTestEls.length).toBe(1);
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expect(getDOM().hasClass(childTestEls[0].nativeElement, 'child-comp-class')).toBe(true);
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});
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it('should query child elements by directive', () => {
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fixture = TestBed.createComponent(ParentComp);
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fixture.detectChanges();
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const childTestEls = fixture.debugElement.queryAll(By.directive(MessageDir));
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expect(childTestEls.length).toBe(4);
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expect(getDOM().hasClass(childTestEls[0].nativeElement, 'parent')).toBe(true);
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expect(getDOM().hasClass(childTestEls[1].nativeElement, 'parentnested')).toBe(true);
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expect(getDOM().hasClass(childTestEls[2].nativeElement, 'child')).toBe(true);
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expect(getDOM().hasClass(childTestEls[3].nativeElement, 'childnested')).toBe(true);
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});
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it('should list providerTokens', () => {
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fixture = TestBed.createComponent(ParentComp);
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fixture.detectChanges();
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expect(fixture.debugElement.providerTokens).toContain(Logger);
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});
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it('should list locals', () => {
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fixture = TestBed.createComponent(LocalsComp);
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fixture.detectChanges();
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expect(fixture.debugElement.children[0].references['alice']).toBeAnInstanceOf(MyDir);
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});
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it('should allow injecting from the element injector', () => {
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fixture = TestBed.createComponent(ParentComp);
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fixture.detectChanges();
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expect((<Logger>(fixture.debugElement.children[0].injector.get(Logger))).logs).toEqual([
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'parent', 'nestedparent', 'child', 'nestedchild'
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]);
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});
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it('should list event listeners', () => {
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fixture = TestBed.createComponent(EventsComp);
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fixture.detectChanges();
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expect(fixture.debugElement.children[0].listeners.length).toEqual(1);
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expect(fixture.debugElement.children[1].listeners.length).toEqual(1);
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});
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it('should trigger event handlers', () => {
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fixture = TestBed.createComponent(EventsComp);
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fixture.detectChanges();
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expect(fixture.componentInstance.clicked).toBe(false);
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expect(fixture.componentInstance.customed).toBe(false);
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fixture.debugElement.children[0].triggerEventHandler('click', <Event>{});
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expect(fixture.componentInstance.clicked).toBe(true);
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fixture.debugElement.children[1].triggerEventHandler('myevent', <Event>{});
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expect(fixture.componentInstance.customed).toBe(true);
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});
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});
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}
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