609 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			609 lines
		
	
	
		
			21 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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| 
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| import {CompilerConfig, ResourceLoader} from '@angular/compiler';
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| import {CUSTOM_ELEMENTS_SCHEMA, Component, Directive, Injectable, Input, NgModule, Pipe} from '@angular/core';
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| import {TestBed, async, fakeAsync, inject, tick, withModule} from '@angular/core/testing';
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| import {expect} from '@angular/platform-browser/testing/matchers';
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| 
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| import {stringify} from '../src/facade/lang';
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| 
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| // Services, and components for the tests.
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| 
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| @Component({selector: 'child-comp', template: `<span>Original {{childBinding}}</span>`})
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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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| 
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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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| 
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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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| })
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| @Injectable()
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| class ParentComp {
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| }
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| 
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| @Component({selector: 'my-if-comp', template: `MyIf(<span *ngIf="showMore">More</span>)`})
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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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| 
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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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| 
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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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| })
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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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| 
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| class FancyService {
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|   value: string = 'real value';
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|   getAsyncValue() { return Promise.resolve('async value'); }
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|   getTimeoutValue() {
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|     return new Promise(
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|         (resolve, reject) => { setTimeout(() => { resolve('timeout value'); }, 10); });
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|   }
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| }
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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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| 
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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 TestProvidersComp {
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|   constructor(private fancyService: FancyService) {}
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| }
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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 TestViewProvidersComp {
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|   constructor(private fancyService: FancyService) {}
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| }
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| 
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| @Directive({selector: '[someDir]', host: {'[title]': 'someDir'}})
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| class SomeDirective {
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|   @Input()
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|   someDir: string;
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| }
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| 
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| @Pipe({name: 'somePipe'})
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| class SomePipe {
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|   transform(value: string): any { return `transformed ${value}`; }
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| }
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| 
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| @Component({selector: 'comp', template: `<div  [someDir]="'someValue' | somePipe"></div>`})
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| class CompUsingModuleDirectiveAndPipe {
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| }
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| 
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| @NgModule()
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| class SomeLibModule {
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| }
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| 
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| @Component({
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|   selector: 'comp',
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|   templateUrl: '/base/modules/@angular/platform-browser/test/static_assets/test.html'
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| })
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| class CompWithUrlTemplate {
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| }
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| 
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| export function main() {
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|   describe('public testing API', () => {
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|     describe('using the async helper', () => {
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|       var actuallyDone: boolean;
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| 
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|       beforeEach(() => { actuallyDone = false; });
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| 
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|       afterEach(() => { expect(actuallyDone).toEqual(true); });
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| 
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|       it('should run normal tests', () => { actuallyDone = true; });
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| 
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|       it('should run normal async tests', (done: any /** TODO #9100 */) => {
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|         setTimeout(() => {
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|           actuallyDone = true;
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|           done();
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|         }, 0);
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|       });
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| 
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|       it('should run async tests with tasks',
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|          async(() => { setTimeout(() => { actuallyDone = true; }, 0); }));
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| 
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|       it('should run async tests with promises', async(() => {
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|            var p = new Promise((resolve, reject) => { setTimeout(resolve, 10); });
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|            p.then(() => { actuallyDone = true; });
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|          }));
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|     });
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| 
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|     describe('using the test injector with the inject helper', () => {
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|       describe('setting up Providers', () => {
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|         beforeEach(() => {
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|           TestBed.configureTestingModule(
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|               {providers: [{provide: FancyService, useValue: new FancyService()}]});
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| 
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|           it('should use set up providers',
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|              inject([FancyService], (service: any /** TODO #9100 */) => {
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|                expect(service.value).toEqual('real value');
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|              }));
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| 
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|           it('should wait until returned promises',
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|              async(inject([FancyService], (service: any /** TODO #9100 */) => {
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|                service.getAsyncValue().then(
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|                    (value: any /** TODO #9100 */) => { expect(value).toEqual('async value'); });
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|                service.getTimeoutValue().then(
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|                    (value: any /** TODO #9100 */) => { expect(value).toEqual('timeout value'); });
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|              })));
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| 
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|           it('should allow the use of fakeAsync',
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|              fakeAsync(inject([FancyService], (service: any /** TODO #9100 */) => {
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|                var value: any /** TODO #9100 */;
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|                service.getAsyncValue().then(function(val: any /** TODO #9100 */) { value = val; });
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|                tick();
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|                expect(value).toEqual('async value');
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|              })));
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| 
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|           it('should allow use of "done"', (done: any /** TODO #9100 */) => {
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|             inject([FancyService], (service: any /** TODO #9100 */) => {
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|               let count = 0;
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|               let id = setInterval(() => {
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|                 count++;
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|                 if (count > 2) {
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|                   clearInterval(id);
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|                   done();
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|                 }
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|               }, 5);
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|             })();  // inject needs to be invoked explicitly with ().
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|           });
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| 
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|           describe('using beforeEach', () => {
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|             beforeEach(inject([FancyService], (service: any /** TODO #9100 */) => {
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|               service.value = 'value modified in beforeEach';
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|             }));
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| 
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|             it('should use modified providers',
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|                inject([FancyService], (service: any /** TODO #9100 */) => {
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|                  expect(service.value).toEqual('value modified in beforeEach');
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|                }));
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|           });
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| 
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|           describe('using async beforeEach', () => {
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|             beforeEach(async(inject([FancyService], (service: any /** TODO #9100 */) => {
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|               service.getAsyncValue().then(
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|                   (value: any /** TODO #9100 */) => { service.value = value; });
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|             })));
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| 
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|             it('should use asynchronously modified value',
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|                inject([FancyService], (service: any /** TODO #9100 */) => {
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|                  expect(service.value).toEqual('async value');
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|                }));
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|           });
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|         });
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|       });
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|     });
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| 
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|     describe('using the test injector with modules', () => {
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|       let moduleConfig = {
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|         providers: [FancyService],
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|         imports: [SomeLibModule],
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|         declarations: [SomeDirective, SomePipe, CompUsingModuleDirectiveAndPipe],
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|       };
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| 
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|       describe('setting up a module', () => {
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|         beforeEach(() => TestBed.configureTestingModule(moduleConfig));
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| 
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|         it('should use set up providers', inject([FancyService], (service: FancyService) => {
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|              expect(service.value).toEqual('real value');
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|            }));
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| 
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|         it('should be able to create any declared components', () => {
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|           const compFixture = TestBed.createComponent(CompUsingModuleDirectiveAndPipe);
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|           expect(compFixture.componentInstance).toBeAnInstanceOf(CompUsingModuleDirectiveAndPipe);
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|         });
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| 
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|         it('should use set up directives and pipes', () => {
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|           const compFixture = TestBed.createComponent(CompUsingModuleDirectiveAndPipe);
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|           let el = compFixture.debugElement;
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| 
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|           compFixture.detectChanges();
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|           expect(el.children[0].properties['title']).toBe('transformed someValue');
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|         });
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| 
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|         it('should use set up imported modules',
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|            inject([SomeLibModule], (libModule: SomeLibModule) => {
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|              expect(libModule).toBeAnInstanceOf(SomeLibModule);
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|            }));
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| 
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|         describe('provided schemas', () => {
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|           @Component({template: '<some-element [someUnknownProp]="true"></some-element>'})
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|           class ComponentUsingInvalidProperty {
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|           }
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| 
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|           beforeEach(() => {
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|             TestBed.configureTestingModule(
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|                 {schemas: [CUSTOM_ELEMENTS_SCHEMA], declarations: [ComponentUsingInvalidProperty]});
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|           });
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| 
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|           it('should not error on unknown bound properties on custom elements when using the CUSTOM_ELEMENTS_SCHEMA',
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|              () => {
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|                expect(TestBed.createComponent(ComponentUsingInvalidProperty).componentInstance)
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|                    .toBeAnInstanceOf(ComponentUsingInvalidProperty);
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|              });
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|         });
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|       });
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| 
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|       describe('per test modules', () => {
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|         it('should use set up providers',
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|            withModule(moduleConfig).inject([FancyService], (service: FancyService) => {
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|              expect(service.value).toEqual('real value');
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|            }));
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| 
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|         it('should use set up directives and pipes', withModule(moduleConfig, () => {
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|              let compFixture = TestBed.createComponent(CompUsingModuleDirectiveAndPipe);
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|              let el = compFixture.debugElement;
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| 
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|              compFixture.detectChanges();
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|              expect(el.children[0].properties['title']).toBe('transformed someValue');
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|            }));
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| 
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|         it('should use set up library modules',
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|            withModule(moduleConfig).inject([SomeLibModule], (libModule: SomeLibModule) => {
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|              expect(libModule).toBeAnInstanceOf(SomeLibModule);
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|            }));
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|       });
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| 
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|       describe('components with template url', () => {
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|         beforeEach(async(() => {
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|           TestBed.configureTestingModule({declarations: [CompWithUrlTemplate]});
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|           TestBed.compileComponents();
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|         }));
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| 
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|         it('should allow to createSync components with templateUrl after explicit async compilation',
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|            () => {
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|              let fixture = TestBed.createComponent(CompWithUrlTemplate);
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|              expect(fixture.nativeElement).toHaveText('from external template\n');
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|            });
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|       });
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| 
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|       describe('overwriting metadata', () => {
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|         @Pipe({name: 'undefined'})
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|         class SomePipe {
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|           transform(value: string): string { return `transformed ${value}`; }
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|         }
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| 
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|         @Directive({selector: '[undefined]'})
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|         class SomeDirective {
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|           someProp = 'hello';
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|         }
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| 
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|         @Component({selector: 'comp', template: 'someText'})
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|         class SomeComponent {
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|         }
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| 
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|         @Component({selector: 'comp', template: 'someOtherText'})
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|         class SomeOtherComponent {
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|         }
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| 
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|         @NgModule({declarations: [SomeComponent, SomeDirective, SomePipe]})
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|         class SomeModule {
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|         }
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| 
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|         beforeEach(() => { TestBed.configureTestingModule({imports: [SomeModule]}); });
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| 
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|         describe('module', () => {
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|           beforeEach(() => {
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|             TestBed.overrideModule(SomeModule, {set: {declarations: [SomeOtherComponent]}});
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|           });
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|           it('should work', () => {
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|             expect(TestBed.createComponent(SomeOtherComponent).componentInstance)
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|                 .toBeAnInstanceOf(SomeOtherComponent);
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|           });
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|         });
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| 
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|         describe('component', () => {
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|           beforeEach(() => {
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|             TestBed.overrideComponent(
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|                 SomeComponent, {set: {selector: 'comp', template: 'newText'}});
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|           });
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|           it('should work', () => {
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|             expect(TestBed.createComponent(SomeComponent).nativeElement).toHaveText('newText');
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|           });
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|         });
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| 
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|         describe('directive', () => {
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|           beforeEach(() => {
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|             TestBed
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|                 .overrideComponent(
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|                     SomeComponent, {set: {selector: 'comp', template: `<div someDir></div>`}})
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|                 .overrideDirective(
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|                     SomeDirective, {set: {selector: '[someDir]', host: {'[title]': 'someProp'}}});
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|           });
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|           it('should work', () => {
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|             const compFixture = TestBed.createComponent(SomeComponent);
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|             compFixture.detectChanges();
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|             expect(compFixture.debugElement.children[0].properties['title']).toEqual('hello');
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|           });
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|         });
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| 
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|         describe('pipe', () => {
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|           beforeEach(() => {
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|             TestBed
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|                 .overrideComponent(
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|                     SomeComponent, {set: {selector: 'comp', template: `{{'hello' | somePipe}}`}})
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|                 .overridePipe(SomePipe, {set: {name: 'somePipe'}});
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|           });
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|           it('should work', () => {
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|             const compFixture = TestBed.createComponent(SomeComponent);
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|             compFixture.detectChanges();
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|             expect(compFixture.nativeElement).toHaveText('transformed hello');
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|           });
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|         });
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|       });
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| 
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|       describe('setting up the compiler', () => {
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| 
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|         describe('providers', () => {
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|           beforeEach(() => {
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|             let resourceLoaderGet = jasmine.createSpy('resourceLoaderGet')
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|                                         .and.returnValue(Promise.resolve('Hello world!'));
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|             TestBed.configureTestingModule({declarations: [CompWithUrlTemplate]});
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|             TestBed.configureCompiler(
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|                 {providers: [{provide: ResourceLoader, useValue: {get: resourceLoaderGet}}]});
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|           });
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| 
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|           it('should use set up providers', fakeAsync(() => {
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|                TestBed.compileComponents();
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|                tick();
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|                let compFixture = TestBed.createComponent(CompWithUrlTemplate);
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|                expect(compFixture.nativeElement).toHaveText('Hello world!');
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|              }));
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|         });
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| 
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|         describe('useJit true', () => {
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|           beforeEach(() => { TestBed.configureCompiler({useJit: true}); });
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|           it('should set the value into CompilerConfig',
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|              inject([CompilerConfig], (config: CompilerConfig) => {
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|                expect(config.useJit).toBe(true);
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|              }));
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|         });
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|         describe('useJit false', () => {
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|           beforeEach(() => { TestBed.configureCompiler({useJit: false}); });
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|           it('should set the value into CompilerConfig',
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|              inject([CompilerConfig], (config: CompilerConfig) => {
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|                expect(config.useJit).toBe(false);
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|              }));
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|         });
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|       });
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|     });
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| 
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|     describe('errors', () => {
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|       var originalJasmineIt: any;
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|       var originalJasmineBeforeEach: any;
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| 
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|       var patchJasmineIt = () => {
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|         var resolve: (result: any) => void;
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|         var reject: (error: any) => void;
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|         var promise = new Promise((res, rej) => {
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|           resolve = res;
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|           reject = rej;
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|         });
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|         originalJasmineIt = jasmine.getEnv().it;
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|         jasmine.getEnv().it = (description: string, fn: any /** TODO #9100 */) => {
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|           var done = () => { resolve(null); };
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|           (<any>done).fail = (err: any /** TODO #9100 */) => { reject(err); };
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|           fn(done);
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|           return null;
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|         };
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|         return promise;
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|       };
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| 
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|       var restoreJasmineIt = () => { jasmine.getEnv().it = originalJasmineIt; };
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| 
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|       var patchJasmineBeforeEach = () => {
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|         var resolve: (result: any) => void;
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|         var reject: (error: any) => void;
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|         var promise = new Promise((res, rej) => {
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|           resolve = res;
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|           reject = rej;
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|         });
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|         originalJasmineBeforeEach = jasmine.getEnv().beforeEach;
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|         jasmine.getEnv().beforeEach = (fn: any) => {
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|           var done = () => { resolve(null); };
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|           (<any>done).fail = (err: any /** TODO #9100 */) => { reject(err); };
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|           fn(done);
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|           return null;
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|         };
 | |
|         return promise;
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|       };
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| 
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|       var restoreJasmineBeforeEach =
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|           () => { jasmine.getEnv().beforeEach = originalJasmineBeforeEach; };
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| 
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|       it('should fail when an asynchronous error is thrown', (done: any /** TODO #9100 */) => {
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|         var itPromise = patchJasmineIt();
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|         var barError = new Error('bar');
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| 
 | |
|         it('throws an async error',
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|            async(inject([], () => { setTimeout(() => { throw barError; }, 0); })));
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| 
 | |
|         itPromise.then(
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|             () => { done.fail('Expected test to fail, but it did not'); },
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|             (err) => {
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|               expect(err).toEqual(barError);
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|               done();
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|             });
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|         restoreJasmineIt();
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|       });
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| 
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|       it('should fail when a returned promise is rejected', (done: any /** TODO #9100 */) => {
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|         var itPromise = patchJasmineIt();
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| 
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|         it('should fail with an error from a promise', async(inject([], () => {
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|              var reject: (error: any) => void;
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|              var promise = new Promise((_, rej) => { reject = rej; });
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|              var p = promise.then(() => { expect(1).toEqual(2); });
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| 
 | |
|              reject('baz');
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|              return p;
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|            })));
 | |
| 
 | |
|         itPromise.then(
 | |
|             () => { done.fail('Expected test to fail, but it did not'); },
 | |
|             (err) => {
 | |
|               expect(err.message).toEqual('Uncaught (in promise): baz');
 | |
|               done();
 | |
|             });
 | |
|         restoreJasmineIt();
 | |
|       });
 | |
| 
 | |
|       describe('components', () => {
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|         let resourceLoaderGet: jasmine.Spy;
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|         beforeEach(() => {
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|           resourceLoaderGet = jasmine.createSpy('resourceLoaderGet')
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|                                   .and.returnValue(Promise.resolve('Hello world!'));
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|           TestBed.configureCompiler(
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|               {providers: [{provide: ResourceLoader, useValue: {get: resourceLoaderGet}}]});
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|         });
 | |
| 
 | |
|         it('should report an error for declared components with templateUrl which never call TestBed.compileComponents',
 | |
|            () => {
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|              var itPromise = patchJasmineIt();
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| 
 | |
|              expect(
 | |
|                  () => it(
 | |
|                      'should fail', withModule(
 | |
|                                         {declarations: [CompWithUrlTemplate]},
 | |
|                                         () => { TestBed.createComponent(CompWithUrlTemplate); })))
 | |
|                  .toThrowError(
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|                      `This test module uses the component ${stringify(CompWithUrlTemplate)} which is using a "templateUrl", but they were never compiled. ` +
 | |
|                      `Please call "TestBed.compileComponents" before your test.`);
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| 
 | |
|              restoreJasmineIt();
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|            });
 | |
| 
 | |
|       });
 | |
| 
 | |
|       it('should error on unknown bound properties on custom elements by default', () => {
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|         @Component({template: '<some-element [someUnknownProp]="true"></some-element>'})
 | |
|         class ComponentUsingInvalidProperty {
 | |
|         }
 | |
| 
 | |
|         var itPromise = patchJasmineIt();
 | |
| 
 | |
|         expect(
 | |
|             () =>
 | |
|                 it('should fail',
 | |
|                    withModule(
 | |
|                        {declarations: [ComponentUsingInvalidProperty]},
 | |
|                        () => { TestBed.createComponent(ComponentUsingInvalidProperty); })))
 | |
|             .toThrowError(/Can't bind to 'someUnknownProp'/);
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| 
 | |
|         restoreJasmineIt();
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|       });
 | |
|     });
 | |
| 
 | |
|     describe('creating components', function() {
 | |
| 
 | |
|       beforeEach(() => {
 | |
|         TestBed.configureTestingModule({
 | |
|           declarations: [
 | |
|             ChildComp,
 | |
|             MyIfComp,
 | |
|             ChildChildComp,
 | |
|             ParentComp,
 | |
|             TestProvidersComp,
 | |
|             TestViewProvidersComp,
 | |
|           ]
 | |
|         });
 | |
|       });
 | |
| 
 | |
|       it('should instantiate a component with valid DOM', async(() => {
 | |
|            var fixture = TestBed.createComponent(ChildComp);
 | |
|            fixture.detectChanges();
 | |
| 
 | |
|            expect(fixture.nativeElement).toHaveText('Original Child');
 | |
|          }));
 | |
| 
 | |
|       it('should allow changing members of the component', async(() => {
 | |
| 
 | |
|            var componentFixture = TestBed.createComponent(MyIfComp);
 | |
|            componentFixture.detectChanges();
 | |
|            expect(componentFixture.nativeElement).toHaveText('MyIf()');
 | |
| 
 | |
|            componentFixture.componentInstance.showMore = true;
 | |
|            componentFixture.detectChanges();
 | |
|            expect(componentFixture.nativeElement).toHaveText('MyIf(More)');
 | |
|          }));
 | |
| 
 | |
|       it('should override a template', async(() => {
 | |
|            TestBed.overrideComponent(ChildComp, {set: {template: '<span>Mock</span>'}});
 | |
|            let componentFixture = TestBed.createComponent(ChildComp);
 | |
|            componentFixture.detectChanges();
 | |
|            expect(componentFixture.nativeElement).toHaveText('Mock');
 | |
| 
 | |
|          }));
 | |
| 
 | |
|       it('should override a provider', async(() => {
 | |
|            TestBed.overrideComponent(
 | |
|                TestProvidersComp,
 | |
|                {set: {providers: [{provide: FancyService, useClass: MockFancyService}]}});
 | |
|            var componentFixture = TestBed.createComponent(TestProvidersComp);
 | |
|            componentFixture.detectChanges();
 | |
|            expect(componentFixture.nativeElement).toHaveText('injected value: mocked out value');
 | |
|          }));
 | |
| 
 | |
| 
 | |
|       it('should override a viewProvider', async(() => {
 | |
|            TestBed.overrideComponent(
 | |
|                TestViewProvidersComp,
 | |
|                {set: {viewProviders: [{provide: FancyService, useClass: MockFancyService}]}});
 | |
| 
 | |
|            var componentFixture = TestBed.createComponent(TestViewProvidersComp);
 | |
|            componentFixture.detectChanges();
 | |
|            expect(componentFixture.nativeElement).toHaveText('injected value: mocked out value');
 | |
|          }));
 | |
|     });
 | |
|     describe('using alternate components', () => {
 | |
|       beforeEach(() => {
 | |
|         TestBed.configureTestingModule({
 | |
|           declarations: [
 | |
|             MockChildComp,
 | |
|             ParentComp,
 | |
|           ]
 | |
|         });
 | |
|       });
 | |
| 
 | |
|       it('should override component dependencies', async(() => {
 | |
| 
 | |
|            let componentFixture = TestBed.createComponent(ParentComp);
 | |
|            componentFixture.detectChanges();
 | |
|            expect(componentFixture.nativeElement).toHaveText('Parent(Mock)');
 | |
|          }));
 | |
|     });
 | |
|   });
 | |
| }
 |