106 lines
3.5 KiB
TypeScript
106 lines
3.5 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, Directive, ElementRef, Input, NO_ERRORS_SCHEMA, QueryList, ViewChild, ViewChildren} from '@angular/core';
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import {TestBed} from '@angular/core/testing';
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{
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describe('ViewChild', () => {
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beforeEach(() => {
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TestBed.configureTestingModule({
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declarations: [ViewChildTypeSelectorComponent, ViewChildStringSelectorComponent, Simple],
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schemas: [NO_ERRORS_SCHEMA],
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});
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});
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it('should support type selector', () => {
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TestBed.overrideComponent(
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ViewChildTypeSelectorComponent,
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{set: {template: `<simple [marker]="'1'"></simple><simple [marker]="'2'"></simple>`}});
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const view = TestBed.createComponent(ViewChildTypeSelectorComponent);
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view.detectChanges();
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expect(view.componentInstance.child).toBeDefined();
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expect(view.componentInstance.child.marker).toBe('1');
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});
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it('should support string selector', () => {
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TestBed.overrideComponent(
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ViewChildStringSelectorComponent, {set: {template: `<simple #child></simple>`}});
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const view = TestBed.createComponent(ViewChildStringSelectorComponent);
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view.detectChanges();
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expect(view.componentInstance.child).toBeDefined();
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});
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});
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describe('ViewChildren', () => {
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beforeEach(() => {
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TestBed.configureTestingModule({
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declarations:
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[ViewChildrenTypeSelectorComponent, ViewChildrenStringSelectorComponent, Simple],
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schemas: [NO_ERRORS_SCHEMA],
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});
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});
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it('should support type selector', () => {
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TestBed.overrideComponent(
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ViewChildrenTypeSelectorComponent,
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{set: {template: `<simple></simple><simple></simple>`}});
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const view = TestBed.createComponent(ViewChildrenTypeSelectorComponent);
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view.detectChanges();
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expect(view.componentInstance.children).toBeDefined();
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expect(view.componentInstance.children.length).toBe(2);
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});
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it('should support string selector', () => {
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TestBed.overrideComponent(
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ViewChildrenStringSelectorComponent,
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{set: {template: `<simple #child1></simple><simple #child2></simple>`}});
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const view = TestBed.configureTestingModule({schemas: [NO_ERRORS_SCHEMA]})
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.createComponent(ViewChildrenStringSelectorComponent);
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view.detectChanges();
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expect(view.componentInstance.children).toBeDefined();
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expect(view.componentInstance.children.length).toBe(2);
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});
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});
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}
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@Directive({selector: 'simple'})
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class Simple {
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// TODO(issue/24571): remove '!'.
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@Input() marker!: string;
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}
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@Component({selector: 'view-child-type-selector', template: ''})
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class ViewChildTypeSelectorComponent {
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// TODO(issue/24571): remove '!'.
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@ViewChild(Simple) child!: Simple;
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}
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@Component({selector: 'view-child-string-selector', template: ''})
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class ViewChildStringSelectorComponent {
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// TODO(issue/24571): remove '!'.
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@ViewChild('child') child!: ElementRef;
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}
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@Component({selector: 'view-children-type-selector', template: ''})
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class ViewChildrenTypeSelectorComponent {
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// TODO(issue/24571): remove '!'.
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@ViewChildren(Simple) children!: QueryList<Simple>;
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}
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@Component({selector: 'view-child-string-selector', template: ''})
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class ViewChildrenStringSelectorComponent {
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// Allow comma separated selector (with spaces).
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// TODO(issue/24571): remove '!'.
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@ViewChildren('child1 , child2') children!: QueryList<ElementRef>;
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}
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