406 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			406 lines
		
	
	
		
			18 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 {CompileStylesheetMetadata, CompileTemplateMetadata} from '@angular/compiler/src/compile_metadata';
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| import {CompilerConfig, preserveWhitespacesDefault} from '@angular/compiler/src/config';
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| import {DirectiveNormalizer} from '@angular/compiler/src/directive_normalizer';
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| import {ResourceLoader} from '@angular/compiler/src/resource_loader';
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| import {ViewEncapsulation} from '@angular/core/src/metadata/view';
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| import {TestBed, inject} from '@angular/core/testing';
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| 
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| import {noUndefined} from '../src/util';
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| 
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| import {TEST_COMPILER_PROVIDERS} from './test_bindings';
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| 
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| const SOME_MODULE_URL = 'package:some/module/a.js';
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| const SOME_HTTP_MODULE_URL = 'http://some/module/a.js';
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| 
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| function normalizeTemplate(normalizer: DirectiveNormalizer, o: {
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|   moduleUrl?: string; template?: string | null; templateUrl?: string | null; styles?: string[];
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|   styleUrls?: string[];
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|   interpolation?: [string, string] | null;
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|   encapsulation?: ViewEncapsulation | null;
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|   animations?: any[];
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|   preserveWhitespaces?: boolean | null;
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| }) {
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|   return normalizer.normalizeTemplate({
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|     ngModuleType: null,
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|     componentType: SomeComp,
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|     moduleUrl: noUndefined(o.moduleUrl || SOME_MODULE_URL),
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|     template: noUndefined(o.template),
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|     templateUrl: noUndefined(o.templateUrl),
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|     styles: noUndefined(o.styles),
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|     styleUrls: noUndefined(o.styleUrls),
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|     interpolation: noUndefined(o.interpolation),
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|     encapsulation: noUndefined(o.encapsulation),
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|     animations: noUndefined(o.animations),
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|     preserveWhitespaces: noUndefined(o.preserveWhitespaces),
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|   });
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| }
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| 
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| export function main() {
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|   describe('DirectiveNormalizer', () => {
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|     let resourceLoaderSpy: jasmine.Spy;
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| 
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|     beforeEach(() => {
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|       resourceLoaderSpy =
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|           jasmine.createSpy('get').and.callFake((url: string) => `resource(${url})`);
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|       const resourceLoader = {get: resourceLoaderSpy};
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|       TestBed.configureCompiler({
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|         providers:
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|             [...TEST_COMPILER_PROVIDERS, {provide: ResourceLoader, useValue: resourceLoader}]
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|       });
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|     });
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| 
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|     describe('normalizeTemplate', () => {
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|       it('should throw if no template was specified',
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|          inject([DirectiveNormalizer], (normalizer: DirectiveNormalizer) => {
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|            expect(() => normalizeTemplate(normalizer, {}))
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|                .toThrowError('No template specified for component SomeComp');
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|          }));
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|       it('should throw if template is not a string',
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|          inject([DirectiveNormalizer], (normalizer: DirectiveNormalizer) => {
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|            expect(() => normalizeTemplate(normalizer, {template: <any>{}}))
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|                .toThrowError('The template specified for component SomeComp is not a string');
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|          }));
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|       it('should throw if templateUrl is not a string',
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|          inject([DirectiveNormalizer], (normalizer: DirectiveNormalizer) => {
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|            expect(() => normalizeTemplate(normalizer, {templateUrl: <any>{}}))
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|                .toThrowError('The templateUrl specified for component SomeComp is not a string');
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|          }));
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|       it('should throw if both template and templateUrl are defined',
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|          inject([DirectiveNormalizer], (normalizer: DirectiveNormalizer) => {
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|            expect(() => normalizeTemplate(normalizer, {
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|                     template: '',
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|                     templateUrl: '',
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|                   }))
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|                .toThrowError(`'SomeComp' component cannot define both template and templateUrl`);
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|          }));
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|       it('should throw if preserveWhitespaces is not a boolean',
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|          inject([DirectiveNormalizer], (normalizer: DirectiveNormalizer) => {
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|            expect(() => normalizeTemplate(normalizer, {
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|                     template: '',
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|                     preserveWhitespaces: <any>'WRONG',
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|                   }))
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|                .toThrowError(
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|                    'The preserveWhitespaces option for component SomeComp must be a boolean');
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|          }));
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| 
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|     });
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| 
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|     describe('inline template', () => {
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| 
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|       it('should store the template',
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|          inject([DirectiveNormalizer], (normalizer: DirectiveNormalizer) => {
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|            const template = <CompileTemplateMetadata>normalizeTemplate(normalizer, {
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|              template: 'a',
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|            });
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|            expect(template.template).toEqual('a');
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|            expect(template.templateUrl).toEqual('package:some/module/a.js');
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|            expect(template.isInline).toBe(true);
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|          }));
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| 
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|       it('should resolve styles on the annotation against the moduleUrl',
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|          inject([DirectiveNormalizer], (normalizer: DirectiveNormalizer) => {
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|            const template = <CompileTemplateMetadata>normalizeTemplate(
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|                normalizer, {template: '', styleUrls: ['test.css']});
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|            expect(template.styleUrls).toEqual(['package:some/module/test.css']);
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|          }));
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| 
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|       it('should resolve styles in the template against the moduleUrl and add them to the styles',
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|          inject([DirectiveNormalizer], (normalizer: DirectiveNormalizer) => {
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|            const template = <CompileTemplateMetadata>normalizeTemplate(normalizer, {
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|              template: '<style>template @import test.css</style>',
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|              styles: ['direct'],
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|            });
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|            expect(template.styles).toEqual([
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|              'direct', 'template ', 'resource(package:some/module/test.css)'
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|            ]);
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|          }));
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| 
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|       it('should use ViewEncapsulation.Emulated by default',
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|          inject([DirectiveNormalizer], (normalizer: DirectiveNormalizer) => {
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|            const template = <CompileTemplateMetadata>normalizeTemplate(
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|                normalizer, {template: '', styleUrls: ['test.css']});
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|            expect(template.encapsulation).toEqual(ViewEncapsulation.Emulated);
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|          }));
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| 
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|       it('should use default encapsulation provided by CompilerConfig',
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|          inject(
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|              [CompilerConfig, DirectiveNormalizer],
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|              (config: CompilerConfig, normalizer: DirectiveNormalizer) => {
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|                config.defaultEncapsulation = ViewEncapsulation.None;
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|                const template = <CompileTemplateMetadata>normalizeTemplate(
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|                    normalizer, {template: '', styleUrls: ['test.css']});
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|                expect(template.encapsulation).toEqual(ViewEncapsulation.None);
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|              }));
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|     });
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| 
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|     it('should load a template from a url that is resolved against moduleUrl',
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|        inject([DirectiveNormalizer], (normalizer: DirectiveNormalizer) => {
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|          const template = <CompileTemplateMetadata>normalizeTemplate(
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|              normalizer, {templateUrl: 'sometplurl.html', styleUrls: ['test.css']});
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|          expect(template.template).toEqual('resource(package:some/module/sometplurl.html)');
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|          expect(template.templateUrl).toEqual('package:some/module/sometplurl.html');
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|          expect(template.isInline).toBe(false);
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|        }));
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| 
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|     it('should resolve styles on the annotation against the moduleUrl',
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|        inject([DirectiveNormalizer], (normalizer: DirectiveNormalizer) => {
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|          const template = <CompileTemplateMetadata>normalizeTemplate(
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|              normalizer, {templateUrl: 'tpl/sometplurl.html', styleUrls: ['test.css']});
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|          expect(template.styleUrls).toEqual(['package:some/module/test.css']);
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|        }));
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| 
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|     it('should resolve styles in the template against the templateUrl and add them to the styles',
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|        inject([DirectiveNormalizer], (normalizer: DirectiveNormalizer) => {
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|          resourceLoaderSpy.and.callFake((url: string) => {
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|            switch (url) {
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|              case 'package:some/module/tpl/sometplurl.html':
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|                return '<style>template @import test.css</style>';
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|              default:
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|                return `resource(${url})`;
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|            }
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|          });
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|          const template = <CompileTemplateMetadata>normalizeTemplate(
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|              normalizer, {templateUrl: 'tpl/sometplurl.html', styles: ['direct']});
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|          expect(template.styles).toEqual([
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|            'direct', 'template ', 'resource(package:some/module/tpl/test.css)'
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|          ]);
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|        }));
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| 
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|     describe('externalStylesheets', () => {
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| 
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|       it('should load an external stylesheet',
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|          inject([DirectiveNormalizer], (normalizer: DirectiveNormalizer) => {
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|            const template = <CompileTemplateMetadata>normalizeTemplate(
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|                normalizer, {template: '', styleUrls: ['package:some/module/test.css']});
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|            expect(template.externalStylesheets.length).toBe(1);
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|            expect(template.externalStylesheets[0]).toEqual(new CompileStylesheetMetadata({
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|              moduleUrl: 'package:some/module/test.css',
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|              styles: ['resource(package:some/module/test.css)'],
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|            }));
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|          }));
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| 
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|       it('should load stylesheets referenced by external stylesheets and inline them',
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|          inject([DirectiveNormalizer], (normalizer: DirectiveNormalizer) => {
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|            resourceLoaderSpy.and.callFake((url: string) => {
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|              switch (url) {
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|                case 'package:some/module/test.css':
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|                  return 'a@import "test2.css"';
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|                case 'package:some/module/test2.css':
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|                  return 'b';
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|                default:
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|                  throw new Error(`Unexpected url ${url}`);
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|              }
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|            });
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|            const template = <CompileTemplateMetadata>normalizeTemplate(normalizer, {
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|              template: '',
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|              styleUrls: ['package:some/module/test.css'],
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|            });
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|            expect(template.externalStylesheets.length).toBe(1);
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|            expect(template.externalStylesheets[0])
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|                .toEqual(new CompileStylesheetMetadata(
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|                    {moduleUrl: 'package:some/module/test.css', styles: ['a', 'b'], styleUrls: []}));
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|          }));
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|     });
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| 
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|     describe('caching', () => {
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|       it('should work for templateUrl',
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|          inject([DirectiveNormalizer], (normalizer: DirectiveNormalizer) => {
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|            const prenormMeta = {
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|              templateUrl: 'cmp.html',
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|            };
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|            const template1 = <CompileTemplateMetadata>normalizeTemplate(normalizer, prenormMeta);
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|            const template2 = <CompileTemplateMetadata>normalizeTemplate(normalizer, prenormMeta);
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|            expect(template1.template).toEqual('resource(package:some/module/cmp.html)');
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|            expect(template2.template).toEqual('resource(package:some/module/cmp.html)');
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| 
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|            expect(resourceLoaderSpy).toHaveBeenCalledTimes(1);
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|          }));
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| 
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|     });
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| 
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|     describe('normalizeLoadedTemplate', () => {
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|       it('should store the viewEncapsulation in the result',
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|          inject([DirectiveNormalizer], (normalizer: DirectiveNormalizer) => {
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|            const viewEncapsulation = ViewEncapsulation.Native;
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|            const template = <CompileTemplateMetadata>normalizeTemplate(normalizer, {
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|              encapsulation: viewEncapsulation,
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|              template: '',
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|            });
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|            expect(template.encapsulation).toBe(viewEncapsulation);
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|          }));
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| 
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|       it('should use preserveWhitespaces setting from compiler config if none provided',
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|          inject(
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|              [DirectiveNormalizer, CompilerConfig],
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|              (normalizer: DirectiveNormalizer, config: CompilerConfig) => {
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|                const template =
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|                    <CompileTemplateMetadata>normalizeTemplate(normalizer, {template: ''});
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|                expect(template.preserveWhitespaces).toBe(config.preserveWhitespaces);
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|              }));
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| 
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|       it('should store the preserveWhitespaces=false in the result',
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|          inject([DirectiveNormalizer], (normalizer: DirectiveNormalizer) => {
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|            const template = <CompileTemplateMetadata>normalizeTemplate(
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|                normalizer, {preserveWhitespaces: false, template: ''});
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|            expect(template.preserveWhitespaces).toBe(false);
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|          }));
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| 
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|       it('should store the preserveWhitespaces=true in the result',
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|          inject([DirectiveNormalizer], (normalizer: DirectiveNormalizer) => {
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|            const template = <CompileTemplateMetadata>normalizeTemplate(
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|                normalizer, {preserveWhitespaces: true, template: ''});
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|            expect(template.preserveWhitespaces).toBe(true);
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|          }));
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| 
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|       it('should keep the template as html',
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|          inject([DirectiveNormalizer], (normalizer: DirectiveNormalizer) => {
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|            const template = <CompileTemplateMetadata>normalizeTemplate(normalizer, {
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|              template: 'a',
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|            });
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|            expect(template.template).toEqual('a');
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|          }));
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| 
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|       it('should collect ngContent',
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|          inject([DirectiveNormalizer], (normalizer: DirectiveNormalizer) => {
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|            const template = <CompileTemplateMetadata>normalizeTemplate(normalizer, {
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|              template: '<ng-content select="a"></ng-content>',
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|            });
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|            expect(template.ngContentSelectors).toEqual(['a']);
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|          }));
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| 
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|       it('should normalize ngContent wildcard selector',
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|          inject([DirectiveNormalizer], (normalizer: DirectiveNormalizer) => {
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|            const template = <CompileTemplateMetadata>normalizeTemplate(normalizer, {
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|              template:
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|                  '<ng-content></ng-content><ng-content select></ng-content><ng-content select="*"></ng-content>',
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|            });
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|            expect(template.ngContentSelectors).toEqual(['*', '*', '*']);
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|          }));
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| 
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|       it('should collect top level styles in the template',
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|          inject([DirectiveNormalizer], (normalizer: DirectiveNormalizer) => {
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|            const template = <CompileTemplateMetadata>normalizeTemplate(normalizer, {
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|              template: '<style>a</style>',
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|            });
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|            expect(template.styles).toEqual(['a']);
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|          }));
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| 
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|       it('should collect styles inside elements',
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|          inject([DirectiveNormalizer], (normalizer: DirectiveNormalizer) => {
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|            const template = <CompileTemplateMetadata>normalizeTemplate(normalizer, {
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|              template: '<div><style>a</style></div>',
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|            });
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|            expect(template.styles).toEqual(['a']);
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|          }));
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| 
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|       it('should collect styleUrls in the template and add them to the styles',
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|          inject([DirectiveNormalizer], (normalizer: DirectiveNormalizer) => {
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|            const template = <CompileTemplateMetadata>normalizeTemplate(normalizer, {
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|              template: '<link rel="stylesheet" href="aUrl">',
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|            });
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|            expect(template.styles).toEqual(['resource(package:some/module/aUrl)']);
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|            expect(template.styleUrls).toEqual([]);
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|          }));
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| 
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|       it('should collect styleUrls in elements and add them to the styles',
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|          inject([DirectiveNormalizer], (normalizer: DirectiveNormalizer) => {
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|            const template = <CompileTemplateMetadata>normalizeTemplate(normalizer, {
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|              template: '<div><link rel="stylesheet" href="aUrl"></div>',
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|            });
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|            expect(template.styles).toEqual(['resource(package:some/module/aUrl)']);
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|            expect(template.styleUrls).toEqual([]);
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|          }));
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| 
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|       it('should ignore link elements with non stylesheet rel attribute',
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|          inject([DirectiveNormalizer], (normalizer: DirectiveNormalizer) => {
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|            const template = <CompileTemplateMetadata>normalizeTemplate(normalizer, {
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|              template: '<link href="b" rel="a">',
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|            });
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|            expect(template.styleUrls).toEqual([]);
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|          }));
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| 
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|       it('should ignore link elements with absolute urls but non package: scheme',
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|          inject([DirectiveNormalizer], (normalizer: DirectiveNormalizer) => {
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|            const template = <CompileTemplateMetadata>normalizeTemplate(normalizer, {
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|              template: '<link href="http://some/external.css" rel="stylesheet">',
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|            });
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|            expect(template.styleUrls).toEqual([]);
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|          }));
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| 
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|       it('should extract @import style urls and add them to the styles',
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|          inject([DirectiveNormalizer], (normalizer: DirectiveNormalizer) => {
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|            const template = <CompileTemplateMetadata>normalizeTemplate(normalizer, {
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|              styles: ['@import "test.css";'],
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|              template: '',
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|            });
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|            expect(template.styles).toEqual(['', 'resource(package:some/module/test.css)']);
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|            expect(template.styleUrls).toEqual([]);
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|          }));
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| 
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|       it('should not resolve relative urls in inline styles',
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|          inject([DirectiveNormalizer], (normalizer: DirectiveNormalizer) => {
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|            const template = <CompileTemplateMetadata>normalizeTemplate(normalizer, {
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|              styles: ['.foo{background-image: url(\'double.jpg\');'],
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|              template: '',
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|            });
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|            expect(template.styles).toEqual(['.foo{background-image: url(\'double.jpg\');']);
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|          }));
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| 
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|       it('should resolve relative style urls in styleUrls',
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|          inject([DirectiveNormalizer], (normalizer: DirectiveNormalizer) => {
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|            const template = <CompileTemplateMetadata>normalizeTemplate(normalizer, {
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|              styleUrls: ['test.css'],
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|              template: '',
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|            });
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|            expect(template.styles).toEqual([]);
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|            expect(template.styleUrls).toEqual(['package:some/module/test.css']);
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|          }));
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| 
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|       it('should resolve relative style urls in styleUrls with http directive url',
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|          inject([DirectiveNormalizer], (normalizer: DirectiveNormalizer) => {
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|            const template = <CompileTemplateMetadata>normalizeTemplate(normalizer, {
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|              moduleUrl: SOME_HTTP_MODULE_URL,
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|              styleUrls: ['test.css'],
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|              template: '',
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|            });
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|            expect(template.styles).toEqual([]);
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|            expect(template.styleUrls).toEqual(['http://some/module/test.css']);
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|          }));
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| 
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|       it('should normalize ViewEncapsulation.Emulated to ViewEncapsulation.None if there are no styles nor stylesheets',
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|          inject([DirectiveNormalizer], (normalizer: DirectiveNormalizer) => {
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|            const template = <CompileTemplateMetadata>normalizeTemplate(normalizer, {
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|              encapsulation: ViewEncapsulation.Emulated,
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|              template: '',
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|            });
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|            expect(template.encapsulation).toEqual(ViewEncapsulation.None);
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|          }));
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| 
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|       it('should ignore ng-content in elements with ngNonBindable',
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|          inject([DirectiveNormalizer], (normalizer: DirectiveNormalizer) => {
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|            const template = <CompileTemplateMetadata>normalizeTemplate(normalizer, {
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|              template: '<div ngNonBindable><ng-content select="a"></ng-content></div>',
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|            });
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|            expect(template.ngContentSelectors).toEqual([]);
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|          }));
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| 
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|       it('should still collect <style> in elements with ngNonBindable',
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|          inject([DirectiveNormalizer], (normalizer: DirectiveNormalizer) => {
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|            const template = <CompileTemplateMetadata>normalizeTemplate(normalizer, {
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|              template: '<div ngNonBindable><style>div {color:red}</style></div>',
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|            });
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|            expect(template.styles).toEqual(['div {color:red}']);
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|          }));
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|     });
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|   });
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| }
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| 
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| class SomeComp {}
 |