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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import {noUndefined} from '../src/util';
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import {TEST_COMPILER_PROVIDERS} from './test_bindings';
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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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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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  describe('DirectiveNormalizer', () => {
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    let resourceLoaderSpy: jasmine.Spy;
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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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    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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    describe('inline template', () => {
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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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      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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      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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      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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      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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    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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    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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    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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    describe('externalStylesheets', () => {
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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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      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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    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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           expect(resourceLoaderSpy).toHaveBeenCalledTimes(1);
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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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      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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      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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      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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      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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      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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      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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      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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      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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      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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      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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      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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      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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      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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      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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      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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      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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      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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      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',
 | 
						|
         inject([DirectiveNormalizer], (normalizer: DirectiveNormalizer) => {
 | 
						|
           const template = <CompileTemplateMetadata>normalizeTemplate(normalizer, {
 | 
						|
             template: '<div ngNonBindable><style>div {color:red}</style></div>',
 | 
						|
           });
 | 
						|
           expect(template.styles).toEqual(['div {color:red}']);
 | 
						|
         }));
 | 
						|
    });
 | 
						|
  });
 | 
						|
}
 | 
						|
 | 
						|
class SomeComp {}
 |