837 lines
30 KiB
TypeScript
837 lines
30 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, ContentChild, ContentChildren, Directive, ElementRef, Input, QueryList, TemplateRef, Type, ViewChild, ViewChildren} 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 {onlyInIvy} from '@angular/private/testing';
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describe('query logic', () => {
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beforeEach(() => {
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TestBed.configureTestingModule({
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declarations: [
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AppComp, QueryComp, SimpleCompA, SimpleCompB, StaticViewQueryComp, TextDirective,
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SubclassStaticViewQueryComp, StaticContentQueryComp, SubclassStaticContentQueryComp,
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QueryCompWithChanges, StaticContentQueryDir, SuperDirectiveQueryTarget, SuperDirective,
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SubComponent
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]
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});
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});
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describe('view queries', () => {
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it('should return Component instances when Components are labeled and retrieved', () => {
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const template = `
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<div><simple-comp-a #viewQuery></simple-comp-a></div>
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<div><simple-comp-b #viewQuery></simple-comp-b></div>
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`;
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const fixture = initWithTemplate(QueryComp, template);
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const comp = fixture.componentInstance;
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expect(comp.viewChild).toBeAnInstanceOf(SimpleCompA);
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expect(comp.viewChildren.first).toBeAnInstanceOf(SimpleCompA);
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expect(comp.viewChildren.last).toBeAnInstanceOf(SimpleCompB);
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});
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it('should return ElementRef when HTML element is labeled and retrieved', () => {
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const template = `
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<div #viewQuery></div>
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`;
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const fixture = initWithTemplate(QueryComp, template);
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const comp = fixture.componentInstance;
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expect(comp.viewChild).toBeAnInstanceOf(ElementRef);
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expect(comp.viewChildren.first).toBeAnInstanceOf(ElementRef);
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});
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onlyInIvy('multiple local refs are supported in Ivy')
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.it('should return ElementRefs when HTML elements are labeled and retrieved', () => {
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const template = `
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<div #viewQuery #first>A</div>
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<div #viewQuery #second>B</div>
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`;
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const fixture = initWithTemplate(QueryComp, template);
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const comp = fixture.componentInstance;
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expect(comp.viewChild).toBeAnInstanceOf(ElementRef);
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expect(comp.viewChild.nativeElement).toBe(fixture.debugElement.children[0].nativeElement);
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expect(comp.viewChildren.first).toBeAnInstanceOf(ElementRef);
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expect(comp.viewChildren.last).toBeAnInstanceOf(ElementRef);
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expect(comp.viewChildren.length).toBe(2);
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});
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it('should return TemplateRef when template is labeled and retrieved', () => {
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const template = `
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<ng-template #viewQuery></ng-template>
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`;
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const fixture = initWithTemplate(QueryComp, template);
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const comp = fixture.componentInstance;
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expect(comp.viewChildren.first).toBeAnInstanceOf(TemplateRef);
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});
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onlyInIvy('multiple local refs are supported in Ivy')
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.it('should return TemplateRefs when templates are labeled and retrieved', () => {
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const template = `
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<ng-template #viewQuery></ng-template>
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<ng-template #viewQuery></ng-template>
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`;
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const fixture = initWithTemplate(QueryComp, template);
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const comp = fixture.componentInstance;
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expect(comp.viewChild).toBeAnInstanceOf(TemplateRef);
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expect(comp.viewChild.elementRef.nativeElement)
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.toBe(fixture.debugElement.childNodes[0].nativeNode);
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expect(comp.viewChildren.first).toBeAnInstanceOf(TemplateRef);
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expect(comp.viewChildren.last).toBeAnInstanceOf(TemplateRef);
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expect(comp.viewChildren.length).toBe(2);
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});
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it('should set static view child queries in creation mode (and just in creation mode)', () => {
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const fixture = TestBed.createComponent(StaticViewQueryComp);
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const component = fixture.componentInstance;
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// static ViewChild query should be set in creation mode, before CD runs
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expect(component.textDir).toBeAnInstanceOf(TextDirective);
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expect(component.textDir.text).toEqual('');
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expect(component.setEvents).toEqual(['textDir set']);
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// dynamic ViewChild query should not have been resolved yet
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expect(component.foo).not.toBeDefined();
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const span = fixture.nativeElement.querySelector('span');
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fixture.detectChanges();
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expect(component.textDir.text).toEqual('some text');
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expect(component.foo.nativeElement).toBe(span);
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expect(component.setEvents).toEqual(['textDir set', 'foo set']);
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});
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it('should support static view child queries inherited from superclasses', () => {
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const fixture = TestBed.createComponent(SubclassStaticViewQueryComp);
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const component = fixture.componentInstance;
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const divs = fixture.nativeElement.querySelectorAll('div');
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const spans = fixture.nativeElement.querySelectorAll('span');
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// static ViewChild queries should be set in creation mode, before CD runs
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expect(component.textDir).toBeAnInstanceOf(TextDirective);
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expect(component.textDir.text).toEqual('');
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expect(component.bar.nativeElement).toEqual(divs[1]);
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// dynamic ViewChild queries should not have been resolved yet
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expect(component.foo).not.toBeDefined();
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expect(component.baz).not.toBeDefined();
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fixture.detectChanges();
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expect(component.textDir.text).toEqual('some text');
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expect(component.foo.nativeElement).toBe(spans[0]);
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expect(component.baz.nativeElement).toBe(spans[1]);
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});
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it('should support multiple static view queries (multiple template passes)', () => {
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const template = `
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<static-view-query-comp></static-view-query-comp>
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<static-view-query-comp></static-view-query-comp>
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`;
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TestBed.overrideComponent(AppComp, {set: new Component({template})});
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const fixture = TestBed.createComponent(AppComp);
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const firstComponent = fixture.debugElement.children[0].injector.get(StaticViewQueryComp);
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const secondComponent = fixture.debugElement.children[1].injector.get(StaticViewQueryComp);
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// static ViewChild query should be set in creation mode, before CD runs
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expect(firstComponent.textDir).toBeAnInstanceOf(TextDirective);
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expect(secondComponent.textDir).toBeAnInstanceOf(TextDirective);
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expect(firstComponent.textDir.text).toEqual('');
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expect(secondComponent.textDir.text).toEqual('');
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expect(firstComponent.setEvents).toEqual(['textDir set']);
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expect(secondComponent.setEvents).toEqual(['textDir set']);
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// dynamic ViewChild query should not have been resolved yet
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expect(firstComponent.foo).not.toBeDefined();
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expect(secondComponent.foo).not.toBeDefined();
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const spans = fixture.nativeElement.querySelectorAll('span');
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fixture.detectChanges();
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expect(firstComponent.textDir.text).toEqual('some text');
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expect(secondComponent.textDir.text).toEqual('some text');
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expect(firstComponent.foo.nativeElement).toBe(spans[0]);
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expect(secondComponent.foo.nativeElement).toBe(spans[1]);
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expect(firstComponent.setEvents).toEqual(['textDir set', 'foo set']);
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expect(secondComponent.setEvents).toEqual(['textDir set', 'foo set']);
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});
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it('should allow for view queries to be inherited from a directive', () => {
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const fixture = TestBed.createComponent(SubComponent);
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const comp = fixture.componentInstance;
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fixture.detectChanges();
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expect(comp.headers).toBeTruthy();
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expect(comp.headers.length).toBe(2);
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expect(comp.headers.toArray().every(result => result instanceof SuperDirectiveQueryTarget))
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.toBe(true);
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});
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it('should support ViewChild query inherited from undecorated superclasses', () => {
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class MyComp {
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@ViewChild('foo') foo: any;
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}
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@Component({selector: 'sub-comp', template: '<div #foo></div>'})
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class SubComp extends MyComp {
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}
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TestBed.configureTestingModule({declarations: [SubComp]});
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const fixture = TestBed.createComponent(SubComp);
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fixture.detectChanges();
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expect(fixture.componentInstance.foo).toBeAnInstanceOf(ElementRef);
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});
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it('should support ViewChild query inherited from undecorated grand superclasses', () => {
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class MySuperComp {
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@ViewChild('foo') foo: any;
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}
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class MyComp extends MySuperComp {}
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@Component({selector: 'sub-comp', template: '<div #foo></div>'})
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class SubComp extends MyComp {
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}
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TestBed.configureTestingModule({declarations: [SubComp]});
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const fixture = TestBed.createComponent(SubComp);
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fixture.detectChanges();
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expect(fixture.componentInstance.foo).toBeAnInstanceOf(ElementRef);
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});
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it('should support ViewChildren query inherited from undecorated superclasses', () => {
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@Directive({selector: '[some-dir]'})
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class SomeDir {
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}
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class MyComp {
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@ViewChildren(SomeDir) foo !: QueryList<SomeDir>;
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}
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@Component({
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selector: 'sub-comp',
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template: `
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<div some-dir></div>
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<div some-dir></div>
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`
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})
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class SubComp extends MyComp {
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}
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TestBed.configureTestingModule({declarations: [SubComp, SomeDir]});
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const fixture = TestBed.createComponent(SubComp);
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fixture.detectChanges();
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expect(fixture.componentInstance.foo).toBeAnInstanceOf(QueryList);
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expect(fixture.componentInstance.foo.length).toBe(2);
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});
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it('should support ViewChildren query inherited from undecorated grand superclasses', () => {
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@Directive({selector: '[some-dir]'})
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class SomeDir {
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}
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class MySuperComp {
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@ViewChildren(SomeDir) foo !: QueryList<SomeDir>;
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}
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class MyComp extends MySuperComp {}
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@Component({
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selector: 'sub-comp',
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template: `
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<div some-dir></div>
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<div some-dir></div>
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`
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})
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class SubComp extends MyComp {
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}
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TestBed.configureTestingModule({declarations: [SubComp, SomeDir]});
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const fixture = TestBed.createComponent(SubComp);
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fixture.detectChanges();
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expect(fixture.componentInstance.foo).toBeAnInstanceOf(QueryList);
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expect(fixture.componentInstance.foo.length).toBe(2);
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});
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});
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describe('content queries', () => {
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it('should return Component instance when Component is labeled and retrieved', () => {
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const template = `
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<local-ref-query-component #q>
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<simple-comp-a #contentQuery></simple-comp-a>
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</local-ref-query-component>
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`;
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const fixture = initWithTemplate(AppComp, template);
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const comp = fixture.debugElement.children[0].references['q'];
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expect(comp.contentChild).toBeAnInstanceOf(SimpleCompA);
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expect(comp.contentChildren.first).toBeAnInstanceOf(SimpleCompA);
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});
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onlyInIvy('multiple local refs are supported in Ivy')
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.it('should return Component instances when Components are labeled and retrieved', () => {
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const template = `
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<local-ref-query-component #q>
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<simple-comp-a #contentQuery></simple-comp-a>
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<simple-comp-b #contentQuery></simple-comp-b>
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</local-ref-query-component>
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`;
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const fixture = initWithTemplate(AppComp, template);
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const comp = fixture.debugElement.children[0].references['q'];
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expect(comp.contentChild).toBeAnInstanceOf(SimpleCompA);
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expect(comp.contentChildren.first).toBeAnInstanceOf(SimpleCompA);
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expect(comp.contentChildren.last).toBeAnInstanceOf(SimpleCompB);
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expect(comp.contentChildren.length).toBe(2);
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});
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it('should return ElementRef when HTML element is labeled and retrieved', () => {
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const template = `
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<local-ref-query-component #q>
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<div #contentQuery></div>
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</local-ref-query-component>
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`;
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const fixture = initWithTemplate(AppComp, template);
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const comp = fixture.debugElement.children[0].references['q'];
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expect(comp.contentChildren.first).toBeAnInstanceOf(ElementRef);
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});
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onlyInIvy('multiple local refs are supported in Ivy')
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.it('should return ElementRefs when HTML elements are labeled and retrieved', () => {
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const template = `
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<local-ref-query-component #q>
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<div #contentQuery></div>
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<div #contentQuery></div>
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</local-ref-query-component>
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`;
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const fixture = initWithTemplate(AppComp, template);
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const firstChild = fixture.debugElement.children[0];
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const comp = firstChild.references['q'];
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expect(comp.contentChild).toBeAnInstanceOf(ElementRef);
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expect(comp.contentChild.nativeElement).toBe(firstChild.children[0].nativeElement);
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expect(comp.contentChildren.first).toBeAnInstanceOf(ElementRef);
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expect(comp.contentChildren.last).toBeAnInstanceOf(ElementRef);
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expect(comp.contentChildren.length).toBe(2);
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});
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it('should return TemplateRef when template is labeled and retrieved', () => {
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const template = `
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<local-ref-query-component #q>
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<ng-template #contentQuery></ng-template>
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</local-ref-query-component>
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`;
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const fixture = initWithTemplate(AppComp, template);
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const comp = fixture.debugElement.children[0].references['q'];
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expect(comp.contentChildren.first).toBeAnInstanceOf(TemplateRef);
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});
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onlyInIvy('multiple local refs are supported in Ivy')
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.it('should return TemplateRefs when templates are labeled and retrieved', () => {
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const template = `
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<local-ref-query-component #q>
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<ng-template #contentQuery></ng-template>
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<ng-template #contentQuery></ng-template>
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</local-ref-query-component>
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`;
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const fixture = initWithTemplate(AppComp, template);
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const firstChild = fixture.debugElement.children[0];
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const comp = firstChild.references['q'];
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expect(comp.contentChild).toBeAnInstanceOf(TemplateRef);
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expect(comp.contentChild.elementRef.nativeElement)
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.toBe(firstChild.childNodes[0].nativeNode);
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expect(comp.contentChildren.first).toBeAnInstanceOf(TemplateRef);
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expect(comp.contentChildren.last).toBeAnInstanceOf(TemplateRef);
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expect(comp.contentChildren.length).toBe(2);
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});
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it('should set static content child queries in creation mode (and just in creation mode)',
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() => {
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const template = `
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<static-content-query-comp>
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<div [text]="text"></div>
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<span #foo></span>
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</static-content-query-comp>
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`;
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TestBed.overrideComponent(AppComp, {set: new Component({template})});
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const fixture = TestBed.createComponent(AppComp);
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const component = fixture.debugElement.children[0].injector.get(StaticContentQueryComp);
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// static ContentChild query should be set in creation mode, before CD runs
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expect(component.textDir).toBeAnInstanceOf(TextDirective);
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expect(component.textDir.text).toEqual('');
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expect(component.setEvents).toEqual(['textDir set']);
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// dynamic ContentChild query should not have been resolved yet
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expect(component.foo).not.toBeDefined();
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const span = fixture.nativeElement.querySelector('span');
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(fixture.componentInstance as any).text = 'some text';
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fixture.detectChanges();
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expect(component.textDir.text).toEqual('some text');
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expect(component.foo.nativeElement).toBe(span);
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expect(component.setEvents).toEqual(['textDir set', 'foo set']);
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});
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it('should support static content child queries inherited from superclasses', () => {
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const template = `
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<subclass-static-content-query-comp>
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<div [text]="text"></div>
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<span #foo></span>
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<div #bar></div>
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<span #baz></span>
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</subclass-static-content-query-comp>
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`;
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TestBed.overrideComponent(AppComp, {set: new Component({template})});
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const fixture = TestBed.createComponent(AppComp);
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const component =
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fixture.debugElement.children[0].injector.get(SubclassStaticContentQueryComp);
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const divs = fixture.nativeElement.querySelectorAll('div');
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const spans = fixture.nativeElement.querySelectorAll('span');
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// static ContentChild queries should be set in creation mode, before CD runs
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expect(component.textDir).toBeAnInstanceOf(TextDirective);
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expect(component.textDir.text).toEqual('');
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expect(component.bar.nativeElement).toEqual(divs[1]);
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// dynamic ContentChild queries should not have been resolved yet
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expect(component.foo).not.toBeDefined();
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expect(component.baz).not.toBeDefined();
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(fixture.componentInstance as any).text = 'some text';
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fixture.detectChanges();
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expect(component.textDir.text).toEqual('some text');
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expect(component.foo.nativeElement).toBe(spans[0]);
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expect(component.baz.nativeElement).toBe(spans[1]);
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});
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it('should set static content child queries on directives', () => {
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const template = `
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<div staticContentQueryDir>
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<div [text]="text"></div>
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<span #foo></span>
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</div>
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`;
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TestBed.overrideComponent(AppComp, {set: new Component({template})});
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const fixture = TestBed.createComponent(AppComp);
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const component = fixture.debugElement.children[0].injector.get(StaticContentQueryDir);
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// static ContentChild query should be set in creation mode, before CD runs
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expect(component.textDir).toBeAnInstanceOf(TextDirective);
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expect(component.textDir.text).toEqual('');
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expect(component.setEvents).toEqual(['textDir set']);
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// dynamic ContentChild query should not have been resolved yet
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expect(component.foo).not.toBeDefined();
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const span = fixture.nativeElement.querySelector('span');
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(fixture.componentInstance as any).text = 'some text';
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fixture.detectChanges();
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expect(component.textDir.text).toEqual('some text');
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expect(component.foo.nativeElement).toBe(span);
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expect(component.setEvents).toEqual(['textDir set', 'foo set']);
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});
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it('should support multiple content query components (multiple template passes)', () => {
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const template = `
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<static-content-query-comp>
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<div [text]="text"></div>
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<span #foo></span>
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</static-content-query-comp>
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<static-content-query-comp>
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<div [text]="text"></div>
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<span #foo></span>
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</static-content-query-comp>
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`;
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TestBed.overrideComponent(AppComp, {set: new Component({template})});
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const fixture = TestBed.createComponent(AppComp);
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const firstComponent = fixture.debugElement.children[0].injector.get(StaticContentQueryComp);
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const secondComponent = fixture.debugElement.children[1].injector.get(StaticContentQueryComp);
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// static ContentChild query should be set in creation mode, before CD runs
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expect(firstComponent.textDir).toBeAnInstanceOf(TextDirective);
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expect(secondComponent.textDir).toBeAnInstanceOf(TextDirective);
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expect(firstComponent.textDir.text).toEqual('');
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expect(secondComponent.textDir.text).toEqual('');
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expect(firstComponent.setEvents).toEqual(['textDir set']);
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expect(secondComponent.setEvents).toEqual(['textDir set']);
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// dynamic ContentChild query should not have been resolved yet
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expect(firstComponent.foo).not.toBeDefined();
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expect(secondComponent.foo).not.toBeDefined();
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const spans = fixture.nativeElement.querySelectorAll('span');
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(fixture.componentInstance as any).text = 'some text';
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fixture.detectChanges();
|
|
|
|
expect(firstComponent.textDir.text).toEqual('some text');
|
|
expect(secondComponent.textDir.text).toEqual('some text');
|
|
|
|
expect(firstComponent.foo.nativeElement).toBe(spans[0]);
|
|
expect(secondComponent.foo.nativeElement).toBe(spans[1]);
|
|
|
|
expect(firstComponent.setEvents).toEqual(['textDir set', 'foo set']);
|
|
expect(secondComponent.setEvents).toEqual(['textDir set', 'foo set']);
|
|
});
|
|
|
|
it('should support ContentChild query inherited from undecorated superclasses', () => {
|
|
class MyComp {
|
|
@ContentChild('foo') foo: any;
|
|
}
|
|
|
|
@Component({selector: 'sub-comp', template: '<ng-content></ng-content>'})
|
|
class SubComp extends MyComp {
|
|
}
|
|
|
|
@Component({template: '<sub-comp><div #foo></div></sub-comp>'})
|
|
class App {
|
|
@ViewChild(SubComp) subComp !: SubComp;
|
|
}
|
|
|
|
TestBed.configureTestingModule({declarations: [App, SubComp]});
|
|
const fixture = TestBed.createComponent(App);
|
|
fixture.detectChanges();
|
|
|
|
expect(fixture.componentInstance.subComp.foo).toBeAnInstanceOf(ElementRef);
|
|
});
|
|
|
|
it('should support ContentChild query inherited from undecorated grand superclasses', () => {
|
|
class MySuperComp {
|
|
@ContentChild('foo') foo: any;
|
|
}
|
|
|
|
class MyComp extends MySuperComp {}
|
|
|
|
@Component({selector: 'sub-comp', template: '<ng-content></ng-content>'})
|
|
class SubComp extends MyComp {
|
|
}
|
|
|
|
@Component({template: '<sub-comp><div #foo></div></sub-comp>'})
|
|
class App {
|
|
@ViewChild(SubComp) subComp !: SubComp;
|
|
}
|
|
|
|
TestBed.configureTestingModule({declarations: [App, SubComp]});
|
|
const fixture = TestBed.createComponent(App);
|
|
fixture.detectChanges();
|
|
|
|
expect(fixture.componentInstance.subComp.foo).toBeAnInstanceOf(ElementRef);
|
|
});
|
|
|
|
it('should support ContentChildren query inherited from undecorated superclasses', () => {
|
|
@Directive({selector: '[some-dir]'})
|
|
class SomeDir {
|
|
}
|
|
|
|
class MyComp {
|
|
@ContentChildren(SomeDir) foo !: QueryList<SomeDir>;
|
|
}
|
|
|
|
@Component({selector: 'sub-comp', template: '<ng-content></ng-content>'})
|
|
class SubComp extends MyComp {
|
|
}
|
|
|
|
@Component({
|
|
template: `
|
|
<sub-comp>
|
|
<div some-dir></div>
|
|
<div some-dir></div>
|
|
</sub-comp>
|
|
`
|
|
})
|
|
class App {
|
|
@ViewChild(SubComp) subComp !: SubComp;
|
|
}
|
|
|
|
TestBed.configureTestingModule({declarations: [App, SubComp, SomeDir]});
|
|
const fixture = TestBed.createComponent(App);
|
|
fixture.detectChanges();
|
|
|
|
expect(fixture.componentInstance.subComp.foo).toBeAnInstanceOf(QueryList);
|
|
expect(fixture.componentInstance.subComp.foo.length).toBe(2);
|
|
});
|
|
|
|
it('should support ContentChildren query inherited from undecorated grand superclasses', () => {
|
|
@Directive({selector: '[some-dir]'})
|
|
class SomeDir {
|
|
}
|
|
|
|
class MySuperComp {
|
|
@ContentChildren(SomeDir) foo !: QueryList<SomeDir>;
|
|
}
|
|
|
|
class MyComp extends MySuperComp {}
|
|
|
|
@Component({selector: 'sub-comp', template: '<ng-content></ng-content>'})
|
|
class SubComp extends MyComp {
|
|
}
|
|
|
|
@Component({
|
|
template: `
|
|
<sub-comp>
|
|
<div some-dir></div>
|
|
<div some-dir></div>
|
|
</sub-comp>
|
|
`
|
|
})
|
|
class App {
|
|
@ViewChild(SubComp) subComp !: SubComp;
|
|
}
|
|
|
|
TestBed.configureTestingModule({declarations: [App, SubComp, SomeDir]});
|
|
const fixture = TestBed.createComponent(App);
|
|
fixture.detectChanges();
|
|
|
|
expect(fixture.componentInstance.subComp.foo).toBeAnInstanceOf(QueryList);
|
|
expect(fixture.componentInstance.subComp.foo.length).toBe(2);
|
|
});
|
|
|
|
});
|
|
|
|
// Some root components may have ContentChildren queries if they are also
|
|
// usable as a child component. We should still generate an empty QueryList
|
|
// for these queries when they are at root for backwards compatibility with
|
|
// ViewEngine.
|
|
it('should generate an empty QueryList for root components', () => {
|
|
const fixture = TestBed.createComponent(QueryComp);
|
|
fixture.detectChanges();
|
|
expect(fixture.componentInstance.contentChildren).toBeAnInstanceOf(QueryList);
|
|
expect(fixture.componentInstance.contentChildren.length).toBe(0);
|
|
});
|
|
|
|
describe('descendants', () => {
|
|
|
|
it('should match directives on elements that used to be wrapped by a required parent in HTML parser',
|
|
() => {
|
|
|
|
@Directive({selector: '[myDef]'})
|
|
class MyDef {
|
|
}
|
|
|
|
@Component({selector: 'my-container', template: ``})
|
|
class MyContainer {
|
|
@ContentChildren(MyDef) myDefs !: QueryList<MyDef>;
|
|
}
|
|
@Component(
|
|
{selector: 'test-cmpt', template: `<my-container><tr myDef></tr></my-container>`})
|
|
class TestCmpt {
|
|
}
|
|
|
|
TestBed.configureTestingModule({declarations: [TestCmpt, MyContainer, MyDef]});
|
|
const fixture = TestBed.createComponent(TestCmpt);
|
|
const cmptWithQuery = fixture.debugElement.children[0].injector.get(MyContainer);
|
|
|
|
fixture.detectChanges();
|
|
expect(cmptWithQuery.myDefs.length).toBe(1);
|
|
});
|
|
});
|
|
|
|
describe('observable interface', () => {
|
|
|
|
it('should allow observing changes to query list', () => {
|
|
const fixture = TestBed.createComponent(QueryCompWithChanges);
|
|
let changes = 0;
|
|
fixture.detectChanges();
|
|
|
|
fixture.componentInstance.foos.changes.subscribe((value: any) => {
|
|
changes += 1;
|
|
expect(value).toBe(fixture.componentInstance.foos);
|
|
});
|
|
|
|
// refresh without setting dirty - no emit
|
|
fixture.detectChanges();
|
|
expect(changes).toBe(0);
|
|
|
|
// refresh with setting dirty - emit
|
|
fixture.componentInstance.showing = true;
|
|
fixture.detectChanges();
|
|
expect(changes).toBe(1);
|
|
});
|
|
|
|
});
|
|
|
|
});
|
|
|
|
function initWithTemplate(compType: Type<any>, template: string) {
|
|
TestBed.overrideComponent(compType, {set: new Component({template})});
|
|
const fixture = TestBed.createComponent(compType);
|
|
fixture.detectChanges();
|
|
return fixture;
|
|
}
|
|
|
|
@Component({selector: 'local-ref-query-component', template: '<ng-content></ng-content>'})
|
|
class QueryComp {
|
|
@ViewChild('viewQuery') viewChild !: any;
|
|
@ContentChild('contentQuery') contentChild !: any;
|
|
|
|
@ViewChildren('viewQuery') viewChildren !: QueryList<any>;
|
|
@ContentChildren('contentQuery') contentChildren !: QueryList<any>;
|
|
}
|
|
|
|
@Component({selector: 'app-comp', template: ``})
|
|
class AppComp {
|
|
}
|
|
|
|
@Component({selector: 'simple-comp-a', template: ''})
|
|
class SimpleCompA {
|
|
}
|
|
|
|
@Component({selector: 'simple-comp-b', template: ''})
|
|
class SimpleCompB {
|
|
}
|
|
|
|
@Directive({selector: '[text]'})
|
|
class TextDirective {
|
|
@Input() text = '';
|
|
}
|
|
|
|
@Component({
|
|
selector: 'static-view-query-comp',
|
|
template: `
|
|
<div [text]="text"></div>
|
|
<span #foo></span>
|
|
`
|
|
})
|
|
class StaticViewQueryComp {
|
|
private _textDir !: TextDirective;
|
|
private _foo !: ElementRef;
|
|
setEvents: string[] = [];
|
|
|
|
@ViewChild(TextDirective, {static: true})
|
|
get textDir(): TextDirective { return this._textDir; }
|
|
|
|
set textDir(value: TextDirective) {
|
|
this.setEvents.push('textDir set');
|
|
this._textDir = value;
|
|
}
|
|
|
|
@ViewChild('foo', {static: false})
|
|
get foo(): ElementRef { return this._foo; }
|
|
|
|
set foo(value: ElementRef) {
|
|
this.setEvents.push('foo set');
|
|
this._foo = value;
|
|
}
|
|
|
|
text = 'some text';
|
|
}
|
|
|
|
@Component({
|
|
selector: 'subclass-static-view-query-comp',
|
|
template: `
|
|
<div [text]="text"></div>
|
|
<span #foo></span>
|
|
|
|
<div #bar></div>
|
|
<span #baz></span>
|
|
`
|
|
})
|
|
class SubclassStaticViewQueryComp extends StaticViewQueryComp {
|
|
@ViewChild('bar', {static: true})
|
|
bar !: ElementRef;
|
|
|
|
@ViewChild('baz', {static: false})
|
|
baz !: ElementRef;
|
|
}
|
|
|
|
|
|
@Component({selector: 'static-content-query-comp', template: `<ng-content></ng-content>`})
|
|
class StaticContentQueryComp {
|
|
private _textDir !: TextDirective;
|
|
private _foo !: ElementRef;
|
|
setEvents: string[] = [];
|
|
|
|
@ContentChild(TextDirective, {static: true})
|
|
get textDir(): TextDirective { return this._textDir; }
|
|
|
|
set textDir(value: TextDirective) {
|
|
this.setEvents.push('textDir set');
|
|
this._textDir = value;
|
|
}
|
|
|
|
@ContentChild('foo', {static: false})
|
|
get foo(): ElementRef { return this._foo; }
|
|
|
|
set foo(value: ElementRef) {
|
|
this.setEvents.push('foo set');
|
|
this._foo = value;
|
|
}
|
|
}
|
|
|
|
@Directive({selector: '[staticContentQueryDir]'})
|
|
class StaticContentQueryDir {
|
|
private _textDir !: TextDirective;
|
|
private _foo !: ElementRef;
|
|
setEvents: string[] = [];
|
|
|
|
@ContentChild(TextDirective, {static: true})
|
|
get textDir(): TextDirective { return this._textDir; }
|
|
|
|
set textDir(value: TextDirective) {
|
|
this.setEvents.push('textDir set');
|
|
this._textDir = value;
|
|
}
|
|
|
|
@ContentChild('foo', {static: false})
|
|
get foo(): ElementRef { return this._foo; }
|
|
|
|
set foo(value: ElementRef) {
|
|
this.setEvents.push('foo set');
|
|
this._foo = value;
|
|
}
|
|
}
|
|
|
|
@Component({selector: 'subclass-static-content-query-comp', template: `<ng-content></ng-content>`})
|
|
class SubclassStaticContentQueryComp extends StaticContentQueryComp {
|
|
@ContentChild('bar', {static: true})
|
|
bar !: ElementRef;
|
|
|
|
@ContentChild('baz', {static: false})
|
|
baz !: ElementRef;
|
|
}
|
|
|
|
@Component({
|
|
selector: 'query-with-changes',
|
|
template: `
|
|
<div *ngIf="showing" #foo></div>
|
|
`
|
|
})
|
|
export class QueryCompWithChanges {
|
|
@ViewChildren('foo') foos !: QueryList<any>;
|
|
|
|
showing = false;
|
|
}
|
|
|
|
@Component({selector: 'query-target', template: '<ng-content></ng-content>'})
|
|
class SuperDirectiveQueryTarget {
|
|
}
|
|
|
|
@Directive({selector: '[super-directive]'})
|
|
class SuperDirective {
|
|
@ViewChildren(SuperDirectiveQueryTarget) headers !: QueryList<SuperDirectiveQueryTarget>;
|
|
}
|
|
|
|
@Component({
|
|
template: `
|
|
<query-target>One</query-target>
|
|
<query-target>Two</query-target>
|
|
`
|
|
})
|
|
class SubComponent extends SuperDirective {
|
|
}
|