111 lines
4.1 KiB
TypeScript
111 lines
4.1 KiB
TypeScript
import {
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beforeEach,
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ddescribe,
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describe,
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expect,
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iit,
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inject,
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it,
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xit,
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} from '@angular/core/testing/testing_internal';
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import {TestComponentBuilder, ComponentFixture} from '@angular/compiler/testing';
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import {AsyncTestCompleter} from '@angular/core/testing/testing_internal';
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import {Component, Directive, TemplateRef, ContentChildren, QueryList} from '@angular/core';
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import {NgTemplateOutlet} from '@angular/common';
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export function main() {
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describe('insert', () => {
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it('should do nothing if templateRef is null',
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inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
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var template = `<template [ngTemplateOutlet]="null"></template>`;
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tcb.overrideTemplate(TestComponent, template)
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.createAsync(TestComponent)
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.then((fixture) => {
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fixture.detectChanges();
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expect(fixture.nativeElement).toHaveText('');
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async.done();
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});
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}));
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it('should insert content specified by TemplateRef',
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inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
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var template =
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`<tpl-refs #refs="tplRefs"><template>foo</template></tpl-refs><template [ngTemplateOutlet]="currentTplRef"></template>`;
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tcb.overrideTemplate(TestComponent, template)
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.createAsync(TestComponent)
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.then((fixture) => {
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fixture.detectChanges();
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expect(fixture.nativeElement).toHaveText('');
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var refs = fixture.debugElement.children[0].references['refs'];
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fixture.componentInstance.currentTplRef = refs.tplRefs.first;
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fixture.detectChanges();
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expect(fixture.nativeElement).toHaveText('foo');
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async.done();
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});
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}));
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it('should clear content if TemplateRef becomes null',
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inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
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var template =
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`<tpl-refs #refs="tplRefs"><template>foo</template></tpl-refs><template [ngTemplateOutlet]="currentTplRef"></template>`;
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tcb.overrideTemplate(TestComponent, template)
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.createAsync(TestComponent)
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.then((fixture) => {
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fixture.detectChanges();
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var refs = fixture.debugElement.children[0].references['refs'];
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fixture.componentInstance.currentTplRef = refs.tplRefs.first;
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fixture.detectChanges();
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expect(fixture.nativeElement).toHaveText('foo');
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fixture.componentInstance.currentTplRef = null;
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fixture.detectChanges();
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expect(fixture.nativeElement).toHaveText('');
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async.done();
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});
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}));
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it('should swap content if TemplateRef changes',
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inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
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var template = `<tpl-refs #refs="tplRefs"><template>foo</template><template>bar</template></tpl-refs><template [ngTemplateOutlet]="currentTplRef"></template>`;
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tcb.overrideTemplate(TestComponent, template)
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.createAsync(TestComponent)
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.then((fixture) => {
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fixture.detectChanges();
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var refs = fixture.debugElement.children[0].references['refs'];
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fixture.componentInstance.currentTplRef = refs.tplRefs.first;
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fixture.detectChanges();
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expect(fixture.nativeElement).toHaveText('foo');
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fixture.componentInstance.currentTplRef = refs.tplRefs.last;
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fixture.detectChanges();
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expect(fixture.nativeElement).toHaveText('bar');
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async.done();
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});
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}));
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});
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}
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@Directive({selector: 'tpl-refs', exportAs: 'tplRefs'})
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class CaptureTplRefs {
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@ContentChildren(TemplateRef) tplRefs: QueryList<TemplateRef<any>>;
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}
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@Component({selector: 'test-cmp', directives: [NgTemplateOutlet, CaptureTplRefs], template: ''})
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class TestComponent {
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currentTplRef: TemplateRef<any>;
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}
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