39 lines
1.1 KiB
TypeScript
39 lines
1.1 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, Pipe, PipeTransform} 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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describe('pipe', () => {
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it('should support pipe in context of ternary operator', () => {
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@Pipe({name: 'pipe'})
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class MyPipe implements PipeTransform {
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transform(value: any): any { return value; }
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}
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@Component({
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selector: 'my-app',
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template: `{{ condition ? 'a' : 'b' | pipe }}`,
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})
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class MyApp {
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condition = false;
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}
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TestBed.configureTestingModule({declarations: [MyApp, MyPipe]});
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const fixture = TestBed.createComponent(MyApp);
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fixture.detectChanges();
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expect(fixture.nativeElement).toHaveText('b');
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fixture.componentInstance.condition = true;
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fixture.detectChanges();
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expect(fixture.nativeElement).toHaveText('a');
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});
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});
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