angular-docs-cn/packages/language-service/test/reflector_host_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 * as path from 'path';
import * as ts from 'typescript';
import {createLanguageService} from '../src/language_service';
import {ReflectorHost} from '../src/reflector_host';
import {Completions, LanguageService} from '../src/types';
import {TypeScriptServiceHost} from '../src/typescript_host';
import {toh} from './test_data';
import {MockTypescriptHost} from './test_utils';
describe('reflector_host_spec', () => {
// Regression #21811
it('should be able to find angular under windows', () => {
const originalJoin = path.join;
let mockHost = new MockTypescriptHost(
['/app/main.ts', '/app/parsing-cases.ts'], toh, 'app/node_modules',
{...path, join: (...args: string[]) => originalJoin.apply(path, args)});
let service = ts.createLanguageService(mockHost);
let ngHost = new TypeScriptServiceHost(mockHost, service);
let ngService = createLanguageService(ngHost);
const reflectorHost = new ReflectorHost(() => undefined as any, mockHost, {basePath: '\\app'});
spyOn(path, 'join').and.callFake((...args: string[]) => { return path.win32.join(...args); });
const result = reflectorHost.moduleNameToFileName('@angular/core');
expect(result).not.toBeNull('could not find @angular/core using path.win32');
});
});