51 lines
1.8 KiB
TypeScript
51 lines
1.8 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 * as ts from 'typescript';
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import {getClassDeclFromDecoratorProp} from '../src/template';
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import {MockTypescriptHost} from './test_utils';
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describe('getClassDeclFromTemplateNode', () => {
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it('should find class declaration in syntax-only mode', () => {
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const sourceFile = ts.createSourceFile(
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'foo.ts', `
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@Component({
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template: '<div></div>'
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})
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class MyComponent {}`,
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ts.ScriptTarget.ES2015, true /* setParentNodes */);
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function visit(node: ts.Node): ts.ClassDeclaration|undefined {
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if (ts.isPropertyAssignment(node)) {
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return getClassDeclFromDecoratorProp(node);
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}
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return node.forEachChild(visit);
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}
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const classDecl = sourceFile.forEachChild(visit);
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expect(classDecl).toBeTruthy();
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expect(classDecl!.kind).toBe(ts.SyntaxKind.ClassDeclaration);
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expect((classDecl as ts.ClassDeclaration).name!.text).toBe('MyComponent');
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});
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it('should return class declaration for AppComponent', () => {
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const host = new MockTypescriptHost(['/app/app.component.ts']);
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const tsLS = ts.createLanguageService(host);
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const sourceFile = tsLS.getProgram()!.getSourceFile('/app/app.component.ts');
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expect(sourceFile).toBeTruthy();
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const classDecl = sourceFile!.forEachChild(function visit(node): ts.Node|undefined {
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if (ts.isPropertyAssignment(node)) {
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return getClassDeclFromDecoratorProp(node);
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}
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return node.forEachChild(visit);
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});
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expect(classDecl).toBeTruthy();
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expect(ts.isClassDeclaration(classDecl!)).toBe(true);
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expect((classDecl as ts.ClassDeclaration).name!.text).toBe('AppComponent');
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});
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});
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