angular-cn/packages/compiler/test/pipe_resolver_mock_spec.ts

41 lines
1.2 KiB
TypeScript

/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import {Injector, Pipe} from '@angular/core';
import {inject} from '@angular/core/testing';
import {JitReflector} from '@angular/platform-browser-dynamic/src/compiler_reflector';
import {MockPipeResolver} from '../testing';
{
describe('MockPipeResolver', () => {
let pipeResolver: MockPipeResolver;
beforeEach(inject([Injector], (injector: Injector) => {
pipeResolver = new MockPipeResolver(new JitReflector());
}));
describe('Pipe overriding', () => {
it('should fallback to the default PipeResolver when templates are not overridden', () => {
const pipe = pipeResolver.resolve(SomePipe);
expect(pipe.name).toEqual('somePipe');
});
it('should allow overriding the @Pipe', () => {
pipeResolver.setPipe(SomePipe, new Pipe({name: 'someOtherName'}));
const pipe = pipeResolver.resolve(SomePipe);
expect(pipe.name).toEqual('someOtherName');
});
});
});
}
@Pipe({name: 'somePipe'})
class SomePipe {
}