100 lines
3.4 KiB
TypeScript
100 lines
3.4 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 {Component, HostBinding} from '@angular/core';
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import {TestBed} from '@angular/core/testing';
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import {expect} from '@angular/platform-browser/testing/src/matchers';
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import {ivyEnabled, onlyInIvy} from '@angular/private/testing';
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describe('acceptance integration tests', () => {
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onlyInIvy('[style] and [class] bindings are a new feature')
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.it('should render host bindings on the root component', () => {
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@Component({template: '...'})
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class MyApp {
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@HostBinding('style') public myStylesExp = {};
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@HostBinding('class') public myClassesExp = {};
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}
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TestBed.configureTestingModule({declarations: [MyApp]});
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const fixture = TestBed.createComponent(MyApp);
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const element = fixture.nativeElement;
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fixture.detectChanges();
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const component = fixture.componentInstance;
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component.myStylesExp = {width: '100px'};
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component.myClassesExp = 'foo';
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fixture.detectChanges();
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expect(element.style['width']).toEqual('100px');
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expect(element.classList.contains('foo')).toBeTruthy();
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component.myStylesExp = {width: '200px'};
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component.myClassesExp = 'bar';
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fixture.detectChanges();
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expect(element.style['width']).toEqual('200px');
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expect(element.classList.contains('foo')).toBeFalsy();
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expect(element.classList.contains('bar')).toBeTruthy();
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});
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it('should render host class and style on the root component', () => {
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@Component({template: '...', host: {class: 'foo', style: 'color: red'}})
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class MyApp {
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}
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TestBed.configureTestingModule({declarations: [MyApp]});
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const fixture = TestBed.createComponent(MyApp);
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const element = fixture.nativeElement;
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fixture.detectChanges();
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expect(element.style['color']).toEqual('red');
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expect(element.classList.contains('foo')).toBeTruthy();
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});
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it('should combine the inherited static styles of a parent and child component', () => {
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@Component({template: '...', host: {'style': 'width:100px; height:100px;'}})
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class ParentCmp {
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}
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@Component({template: '...', host: {'style': 'width:200px; color:red'}})
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class ChildCmp extends ParentCmp {
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}
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TestBed.configureTestingModule({declarations: [ChildCmp]});
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const fixture = TestBed.createComponent(ChildCmp);
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fixture.detectChanges();
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const element = fixture.nativeElement;
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if (ivyEnabled) {
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expect(element.style['height']).toEqual('100px');
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}
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expect(element.style['width']).toEqual('200px');
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expect(element.style['color']).toEqual('red');
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});
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it('should combine the inherited static classes of a parent and child component', () => {
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@Component({template: '...', host: {'class': 'foo bar'}})
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class ParentCmp {
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}
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@Component({template: '...', host: {'class': 'foo baz'}})
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class ChildCmp extends ParentCmp {
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}
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TestBed.configureTestingModule({declarations: [ChildCmp]});
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const fixture = TestBed.createComponent(ChildCmp);
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fixture.detectChanges();
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const element = fixture.nativeElement;
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if (ivyEnabled) {
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expect(element.classList.contains('bar')).toBeTruthy();
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}
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expect(element.classList.contains('foo')).toBeTruthy();
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expect(element.classList.contains('baz')).toBeTruthy();
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});
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});
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