angular-docs-cn/modules/@angular/compiler/test/pipe_resolver_mock_spec.ts

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/**
* @license
* Copyright Google Inc. 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, PipeMetadata} from '@angular/core';
import {beforeEach, ddescribe, describe, expect, iit, inject, it} from '@angular/core/testing/testing_internal';
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import {isBlank, stringify} from '../src/facade/lang';
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import {MockPipeResolver} from '../testing';
export function main() {
describe('MockPipeResolver', () => {
var pipeResolver: MockPipeResolver;
beforeEach(inject(
[Injector], (injector: Injector) => { pipeResolver = new MockPipeResolver(injector); }));
describe('Pipe overriding', () => {
it('should fallback to the default PipeResolver when templates are not overridden', () => {
var pipe = pipeResolver.resolve(SomePipe);
expect(pipe.name).toEqual('somePipe');
});
it('should allow overriding the @Pipe', () => {
pipeResolver.setPipe(SomePipe, new PipeMetadata({name: 'someOtherName'}));
var pipe = pipeResolver.resolve(SomePipe);
expect(pipe.name).toEqual('someOtherName');
});
});
});
}
@Pipe({name: 'somePipe'})
class SomePipe {
}