angular-docs-cn/packages/compiler/test/directive_resolver_mock_spe...

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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 {Component, Directive, Injector} from '@angular/core';
import {TestBed, inject} from '@angular/core/testing';
import {JitReflector} from '@angular/platform-browser-dynamic/src/compiler_reflector';
import {MockDirectiveResolver} from '../testing';
export function main() {
describe('MockDirectiveResolver', () => {
let dirResolver: MockDirectiveResolver;
beforeEach(() => {
TestBed.configureTestingModule(
{declarations: [SomeDirective, SomeOtherDirective, SomeComponent]});
});
beforeEach(inject([Injector], (injector: Injector) => {
dirResolver = new MockDirectiveResolver(new JitReflector());
}));
describe('Directive overriding', () => {
it('should fallback to the default DirectiveResolver when templates are not overridden',
() => {
const ngModule = dirResolver.resolve(SomeComponent);
expect(ngModule.selector).toEqual('cmp');
});
it('should allow overriding the @Directive', () => {
dirResolver.setDirective(SomeComponent, new Component({selector: 'someOtherSelector'}));
const metadata = dirResolver.resolve(SomeComponent);
expect(metadata.selector).toEqual('someOtherSelector');
});
});
});
}
@Directive({selector: 'some-directive'})
class SomeDirective {
}
@Component({selector: 'cmp', template: 'template'})
class SomeComponent {
}
@Directive({selector: 'some-other-directive'})
class SomeOtherDirective {
}