111 lines
3.5 KiB
TypeScript
111 lines
3.5 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 {StaticSymbol} from '@angular/compiler';
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import {CompilerHost} from '@angular/compiler-cli';
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import {EmittingCompilerHost, MockAotCompilerHost, MockCompilerHost, MockData, MockDirectory, MockMetadataBundlerHost, arrayToMockDir, arrayToMockMap, isSource, settings, setup, toMockFileArray} from '@angular/compiler/test/aot/test_util';
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import {ReflectorHost} from '@angular/language-service/src/reflector_host';
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import * as ts from 'typescript';
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import {Symbol, SymbolQuery, SymbolTable} from '../../src/diagnostics/symbols';
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import {getSymbolQuery} from '../../src/diagnostics/typescript_symbols';
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import {CompilerOptions} from '../../src/transformers/api';
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import {Directory} from '../mocks';
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import {DiagnosticContext, MockLanguageServiceHost} from './mocks';
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function emptyPipes(): SymbolTable {
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return {
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size: 0,
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get(key: string) { return undefined; },
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has(key: string) { return false; },
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values(): Symbol[]{return [];}
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};
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}
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describe('symbol query', () => {
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let program: ts.Program;
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let checker: ts.TypeChecker;
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let sourceFile: ts.SourceFile;
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let query: SymbolQuery;
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let context: DiagnosticContext;
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beforeEach(() => {
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const registry = ts.createDocumentRegistry(false, '/src');
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const host = new MockLanguageServiceHost(
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['/quickstart/app/app.component.ts'], QUICKSTART, '/quickstart');
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const service = ts.createLanguageService(host, registry);
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program = service.getProgram();
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checker = program.getTypeChecker();
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sourceFile = program.getSourceFile('/quickstart/app/app.component.ts') !;
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const options: CompilerOptions = Object.create(host.getCompilationSettings());
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options.genDir = '/dist';
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options.basePath = '/quickstart';
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const symbolResolverHost = new ReflectorHost(() => program, host, options);
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context = new DiagnosticContext(service, program, checker, symbolResolverHost);
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query = getSymbolQuery(program, checker, sourceFile, emptyPipes);
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});
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it('should be able to get undefined for an unknown symbol', () => {
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const unknownType = context.getStaticSymbol('/unkonwn/file.ts', 'UnknownType');
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const symbol = query.getTypeSymbol(unknownType);
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expect(symbol).toBeUndefined();
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});
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});
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function appComponentSource(template: string): string {
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return `
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import {Component} from '@angular/core';
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export interface Person {
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name: string;
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address: Address;
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}
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export interface Address {
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street: string;
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city: string;
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state: string;
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zip: string;
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}
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@Component({
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template: '${template}'
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})
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export class AppComponent {
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name = 'Angular';
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person: Person;
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people: Person[];
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maybePerson?: Person;
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getName(): string { return this.name; }
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getPerson(): Person { return this.person; }
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getMaybePerson(): Person | undefined { this.maybePerson; }
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}
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`;
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}
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const QUICKSTART: Directory = {
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quickstart: {
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app: {
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'app.component.ts': appComponentSource('<h1>Hello {{name}}</h1>'),
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'app.module.ts': `
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import { NgModule } from '@angular/core';
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import { toString } from './utils';
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import { AppComponent } from './app.component';
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@NgModule({
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declarations: [ AppComponent ],
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bootstrap: [ AppComponent ]
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})
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export class AppModule { }
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`
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}
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}
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};
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