115 lines
4.6 KiB
TypeScript
115 lines
4.6 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {beforeEach, ddescribe, describe, expect, iit, it, inject,} from '@angular/core/testing/testing_internal';
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import {stringify} from '../src/facade/lang';
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import {MockViewResolver} from '../testing';
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import {Component, ViewMetadata, Injector} from '@angular/core';
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import {isBlank} from '../src/facade/lang';
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export function main() {
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describe('MockViewResolver', () => {
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var viewResolver: MockViewResolver;
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beforeEach(inject(
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[Injector], (injector: Injector) => { viewResolver = new MockViewResolver(injector); }));
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describe('View overriding', () => {
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it('should fallback to the default ViewResolver when templates are not overridden', () => {
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var view = viewResolver.resolve(SomeComponent);
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expect(view.template).toEqual('template');
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expect(view.directives).toEqual([SomeDirective]);
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});
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it('should allow overriding the @View', () => {
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viewResolver.setView(SomeComponent, new ViewMetadata({template: 'overridden template'}));
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var view = viewResolver.resolve(SomeComponent);
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expect(view.template).toEqual('overridden template');
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expect(isBlank(view.directives)).toBe(true);
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});
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it('should allow overriding a view after it has been resolved', () => {
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viewResolver.resolve(SomeComponent);
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viewResolver.setView(SomeComponent, new ViewMetadata({template: 'overridden template'}));
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var view = viewResolver.resolve(SomeComponent);
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expect(view.template).toEqual('overridden template');
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expect(isBlank(view.directives)).toBe(true);
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});
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});
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describe('inline template definition overriding', () => {
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it('should allow overriding the default template', () => {
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viewResolver.setInlineTemplate(SomeComponent, 'overridden template');
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var view = viewResolver.resolve(SomeComponent);
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expect(view.template).toEqual('overridden template');
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expect(view.directives).toEqual([SomeDirective]);
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});
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it('should allow overriding an overridden @View', () => {
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viewResolver.setView(SomeComponent, new ViewMetadata({template: 'overridden template'}));
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viewResolver.setInlineTemplate(SomeComponent, 'overridden template x 2');
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var view = viewResolver.resolve(SomeComponent);
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expect(view.template).toEqual('overridden template x 2');
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});
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it('should allow overriding a view after it has been resolved', () => {
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viewResolver.resolve(SomeComponent);
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viewResolver.setInlineTemplate(SomeComponent, 'overridden template');
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var view = viewResolver.resolve(SomeComponent);
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expect(view.template).toEqual('overridden template');
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});
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});
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describe('Directive overriding', () => {
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it('should allow overriding a directive from the default view', () => {
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viewResolver.overrideViewDirective(SomeComponent, SomeDirective, SomeOtherDirective);
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var view = viewResolver.resolve(SomeComponent);
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expect(view.directives.length).toEqual(1);
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expect(view.directives[0]).toBe(SomeOtherDirective);
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});
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it('should allow overriding a directive from an overridden @View', () => {
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viewResolver.setView(SomeComponent, new ViewMetadata({directives: [SomeOtherDirective]}));
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viewResolver.overrideViewDirective(SomeComponent, SomeOtherDirective, SomeComponent);
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var view = viewResolver.resolve(SomeComponent);
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expect(view.directives.length).toEqual(1);
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expect(view.directives[0]).toBe(SomeComponent);
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});
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it('should throw when the overridden directive is not present', () => {
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viewResolver.overrideViewDirective(SomeComponent, SomeOtherDirective, SomeDirective);
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expect(() => { viewResolver.resolve(SomeComponent); })
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.toThrowError(
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`Overriden directive ${stringify(SomeOtherDirective)} not found in the template of ${stringify(SomeComponent)}`);
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});
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it('should allow overriding a directive after its view has been resolved', () => {
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viewResolver.resolve(SomeComponent);
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viewResolver.overrideViewDirective(SomeComponent, SomeDirective, SomeOtherDirective);
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var view = viewResolver.resolve(SomeComponent);
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expect(view.directives.length).toEqual(1);
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expect(view.directives[0]).toBe(SomeOtherDirective);
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});
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});
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});
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}
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class SomeDirective {}
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@Component({
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selector: 'cmp',
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template: 'template',
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directives: [SomeDirective],
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})
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class SomeComponent {
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}
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class SomeOtherDirective {}
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