79 lines
2.8 KiB
TypeScript
79 lines
2.8 KiB
TypeScript
/**
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* @license
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* Copyright Google LLC 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 {APP_COMPONENT, setup, TEST_TEMPLATE} from './mock_host';
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const {project, service} = setup();
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/**
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* The following specs do not directly test the CompilerFactory class, rather
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* it asserts our understanding of the project/program/template interaction
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* which forms the underlying assumption used in the CompilerFactory.
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*/
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describe('tsserver', () => {
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beforeEach(() => {
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service.reset();
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});
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describe('project version', () => {
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it('is updated after TS changes', () => {
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const v0 = project.getProjectVersion();
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service.overwriteInlineTemplate(APP_COMPONENT, `{{ foo }}`);
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const v1 = project.getProjectVersion();
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expect(v1).not.toBe(v0);
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});
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it('is updated after template changes', () => {
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const v0 = project.getProjectVersion();
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service.overwrite(TEST_TEMPLATE, `{{ bar }}`);
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const v1 = project.getProjectVersion();
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expect(v1).not.toBe(v0);
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});
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});
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describe('program', () => {
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it('is updated after TS changes', () => {
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const p0 = project.getLanguageService().getProgram();
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expect(p0).toBeDefined();
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service.overwriteInlineTemplate(APP_COMPONENT, `{{ foo }}`);
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const p1 = project.getLanguageService().getProgram();
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expect(p1).not.toBe(p0);
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});
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it('is not updated after template changes', () => {
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const p0 = project.getLanguageService().getProgram();
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expect(p0).toBeDefined();
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service.overwrite(TEST_TEMPLATE, `{{ bar }}`);
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const p1 = project.getLanguageService().getProgram();
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expect(p1).toBe(p0);
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});
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});
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describe('external template', () => {
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it('should not be part of the project root', () => {
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// Templates should _never_ be added to the project root, otherwise they
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// will be parsed as TS files.
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const scriptInfo = service.getScriptInfo(TEST_TEMPLATE);
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expect(project.isRoot(scriptInfo)).toBeFalse();
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});
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it('should be attached to project', () => {
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const scriptInfo = service.getScriptInfo(TEST_TEMPLATE);
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// Script info for external template must be attached to a project because
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// that's the primary mechanism used in the extension to locate the right
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// language service instance. See
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// https://github.com/angular/vscode-ng-language-service/blob/b048f5f6b9996c5cf113b764c7ffe13d9eeb4285/server/src/session.ts#L192
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expect(scriptInfo.isAttached(project)).toBeTrue();
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// Attaching a script info to a project does not mean that the project
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// will contain the script info. Kinda like friendship on social media.
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expect(project.containsScriptInfo(scriptInfo)).toBeFalse();
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});
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});
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});
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