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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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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class SomeComp {}
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