55 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			55 lines
		
	
	
		
			1.6 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 {Injectable} from '@angular/core';
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| import {TestBed} from '@angular/core/testing';
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| import {BrowserModule, Title} from '@angular/platform-browser';
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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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| 
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| export function main() {
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|   describe('title service', () => {
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|     const initialTitle = getDOM().getTitle();
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|     const titleService = new Title();
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| 
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|     afterEach(() => { getDOM().setTitle(initialTitle); });
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| 
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|     it('should allow reading initial title',
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|        () => { expect(titleService.getTitle()).toEqual(initialTitle); });
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| 
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|     it('should set a title on the injected document', () => {
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|       titleService.setTitle('test title');
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|       expect(getDOM().getTitle()).toEqual('test title');
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|       expect(titleService.getTitle()).toEqual('test title');
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|     });
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| 
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|     it('should reset title to empty string if title not provided', () => {
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|       titleService.setTitle(null);
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|       expect(getDOM().getTitle()).toEqual('');
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|     });
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|   });
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| 
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|   describe('integration test', () => {
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| 
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|     @Injectable()
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|     class DependsOnTitle {
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|       constructor(public title: Title) {}
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|     }
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| 
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|     beforeEach(() => {
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|       TestBed.configureTestingModule({
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|         imports: [BrowserModule],
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|         providers: [DependsOnTitle],
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|       });
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|     });
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| 
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|     it('should inject Title service when using BrowserModule',
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|        () => { expect(TestBed.get(DependsOnTitle).title).toBeAnInstanceOf(Title); });
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|   });
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| }
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