提交代码进行测试

integration/cli-elements-universal/src/app/app.component.spec.ts

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+import { Component, Input } from '@angular/core';
+import { TestBed } from '@angular/core/testing';
+import { By } from '@angular/platform-browser';
+import { RouterTestingModule } from '@angular/router/testing';
+import { AppComponent } from './app.component';
+
+describe('AppComponent', () => {
+  beforeEach(async () => {
+    TestBed.configureTestingModule({
+      declarations: [
+        AppComponent,
+        TestTitleComponent,
+      ],
+      imports: [
+        RouterTestingModule,
+      ],
+    });
+    await TestBed.compileComponents();
+  });
+
+  it('should create the app', () => {
+    const fixture = TestBed.createComponent(AppComponent);
+    const appComp = fixture.componentInstance;
+
+    expect(appComp).toBeTruthy();
+    expect(appComp.title).toBe('cli-elements-universal');
+  });
+
+  it('should pass the app title to the `TitleComponent`', () => {
+    const fixture = TestBed.createComponent(AppComponent);
+    const titleDebugElement = fixture.debugElement.query(By.directive(TestTitleComponent));
+    const titleComp: TestTitleComponent = titleDebugElement.componentInstance;
+
+    fixture.detectChanges();
+
+    expect(titleComp).toBeTruthy();
+    expect(titleComp.appName).toBe('cli-elements-universal');
+  });
+
+  // Helpers
+  @Component({
+    selector: 'app-title-ce',
+    template: '',
+  })
+  class TestTitleComponent {
+    @Input() appName = '';
+  }
+});

integration/cli-elements-universal/src/app/app.component.ts

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+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'app-root',
+  template: '<app-title-ce [appName]="title"></app-title-ce>',
+})
+export class AppComponent {
+  title = 'cli-elements-universal';
+}

integration/cli-elements-universal/src/app/app.module.ts

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+import { isPlatformBrowser } from '@angular/common';
+import { CUSTOM_ELEMENTS_SCHEMA, Inject, Injector, NgModule, PLATFORM_ID } from '@angular/core';
+import { createCustomElement } from '@angular/elements';
+import { BrowserModule } from '@angular/platform-browser';
+import { RouterModule } from '@angular/router';
+
+import { AppComponent } from './app.component';
+import { TitleComponent } from './title.component';
+
+@NgModule({
+  bootstrap: [
+    AppComponent,
+  ],
+  declarations: [
+    AppComponent,
+    TitleComponent,
+  ],
+  imports: [
+    BrowserModule.withServerTransition({ appId: 'serverApp' }),
+    RouterModule.forRoot([]),
+  ],
+  schemas: [
+    CUSTOM_ELEMENTS_SCHEMA,
+  ],
+})
+export class AppModule {
+  constructor(injector: Injector, @Inject(PLATFORM_ID) platformId: object) {
+    if (isPlatformBrowser(platformId)) {
+      customElements.define('app-title-ce', createCustomElement(TitleComponent, {injector}));
+    }
+  }
+}

integration/cli-elements-universal/src/app/app.server.module.ts

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+import { NgModule } from '@angular/core';
+import { ServerModule } from '@angular/platform-server';
+import { RouterModule } from '@angular/router';
+
+import { AppModule } from './app.module';
+import { AppComponent } from './app.component';
+
+@NgModule({
+  bootstrap: [
+    AppComponent,
+  ],
+  imports: [
+    AppModule,
+    RouterModule.forRoot([]),
+    ServerModule,
+  ],
+})
+export class AppServerModule {}

integration/cli-elements-universal/src/app/title.component.spec.ts

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+import { TestBed } from '@angular/core/testing';
+import { TitleComponent } from './title.component';
+
+describe('TitleComponent', () => {
+  beforeEach(async () => {
+    TestBed.configureTestingModule({declarations: [TitleComponent]});
+    await TestBed.compileComponents();
+  });
+
+  it('should create the component', () => {
+    const fixture = TestBed.createComponent(TitleComponent);
+    const titleComp = fixture.componentInstance;
+
+    expect(titleComp).toBeTruthy();
+  });
+
+  it('should render the title using the specified app name', () => {
+    const fixture = TestBed.createComponent(TitleComponent);
+    const titleComp = fixture.componentInstance;
+    const titleElem = fixture.nativeElement;
+
+    titleComp.appName = 'Test';
+    fixture.detectChanges();
+
+    expect(titleElem.querySelector('h1').textContent).toBe('Test app is running!');
+  });
+});

integration/cli-elements-universal/src/app/title.component.ts

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+import { Component, Input } from '@angular/core';
+
+@Component({
+  selector: 'app-title',
+  template: '<h1>{{ appName }} app is running!</h1>',
+})
+export class TitleComponent {
+  @Input() appName = 'Unknown';
+}

integration/cli-elements-universal/src/environments/environment.prod.ts

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+export const environment = {
+  production: true
+};

integration/cli-elements-universal/src/environments/environment.ts

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+// This file can be replaced during build by using the `fileReplacements` array.
+// `ng build --prod` replaces `environment.ts` with `environment.prod.ts`.
+// The list of file replacements can be found in `angular.json`.
+
+export const environment = {
+  production: false
+};
+
+/*
+ * For easier debugging in development mode, you can import the following file
+ * to ignore zone related error stack frames such as `zone.run`, `zoneDelegate.invokeTask`.
+ *
+ * This import should be commented out in production mode because it will have a negative impact
+ * on performance if an error is thrown.
+ */
+// import 'zone.js/dist/zone-error';  // Included with Angular CLI.

integration/cli-elements-universal/src/index.html

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+<!doctype html>
+<html lang="en">
+<head>
+  <meta charset="utf-8">
+  <title>CliElementsUniversal</title>
+  <base href="/">
+  <meta name="viewport" content="width=device-width, initial-scale=1">
+  <link rel="icon" type="image/x-icon" href="favicon.ico">
+</head>
+<body>
+  <app-root></app-root>
+</body>
+</html>

integration/cli-elements-universal/src/main.server.ts

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+import '@angular/platform-server/init';
+import { enableProdMode } from '@angular/core';
+
+import { environment } from './environments/environment';
+
+if (environment.production) {
+  enableProdMode();
+}
+
+export { AppServerModule } from './app/app.server.module';
+export { renderModule, renderModuleFactory } from '@angular/platform-server';

integration/cli-elements-universal/src/main.ts

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+import { enableProdMode } from '@angular/core';
+import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
+
+import { AppModule } from './app/app.module';
+import { environment } from './environments/environment';
+
+if (environment.production) {
+  enableProdMode();
+}
+
+document.addEventListener('DOMContentLoaded', () => {
+  platformBrowserDynamic().bootstrapModule(AppModule)
+    .catch(err => console.error(err));
+});

integration/cli-elements-universal/src/polyfills.ts

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+/**
+ * This file includes polyfills needed by Angular and is loaded before the app.
+ * You can add your own extra polyfills to this file.
+ *
+ * This file is divided into 2 sections:
+ *   1. Browser polyfills. These are applied before loading ZoneJS and are sorted by browsers.
+ *   2. Application imports. Files imported after ZoneJS that should be loaded before your main
+ *      file.
+ *
+ * The current setup is for so-called "evergreen" browsers; the last versions of browsers that
+ * automatically update themselves. This includes Safari >= 10, Chrome >= 55 (including Opera),
+ * Edge >= 13 on the desktop, and iOS 10 and Chrome on mobile.
+ *
+ * Learn more in https://angular.io/guide/browser-support
+ */
+
+/***************************************************************************************************
+ * BROWSER POLYFILLS
+ */
+
+/** IE11 requires the following for NgClass support on SVG elements */
+// import 'classlist.js';  // Run `npm install --save classlist.js`.
+
+/**
+ * Web Animations `@angular/platform-browser/animations`
+ * Only required if AnimationBuilder is used within the application and using IE/Edge or Safari.
+ * Standard animation support in Angular DOES NOT require any polyfills (as of Angular 6.0).
+ */
+// import 'web-animations-js';  // Run `npm install --save web-animations-js`.
+
+/**
+ * By default, zone.js will patch all possible macroTask and DomEvents
+ * user can disable parts of macroTask/DomEvents patch by setting following flags
+ * because those flags need to be set before `zone.js` being loaded, and webpack
+ * will put import in the top of bundle, so user need to create a separate file
+ * in this directory (for example: zone-flags.ts), and put the following flags
+ * into that file, and then add the following code before importing zone.js.
+ * import './zone-flags';
+ *
+ * The flags allowed in zone-flags.ts are listed here.
+ *
+ * The following flags will work for all browsers.
+ *
+ * (window as any).__Zone_disable_requestAnimationFrame = true; // disable patch requestAnimationFrame
+ * (window as any).__Zone_disable_on_property = true; // disable patch onProperty such as onclick
+ * (window as any).__zone_symbol__UNPATCHED_EVENTS = ['scroll', 'mousemove']; // disable patch specified eventNames
+ *
+ *  in IE/Edge developer tools, the addEventListener will also be wrapped by zone.js
+ *  with the following flag, it will bypass `zone.js` patch for IE/Edge
+ *
+ *  (window as any).__Zone_enable_cross_context_check = true;
+ *
+ */
+
+/***************************************************************************************************
+ * Zone JS is required by default for Angular itself.
+ */
+import 'zone.js/dist/zone';  // Included with Angular CLI.
+
+
+/***************************************************************************************************
+ * APPLICATION IMPORTS
+ */
+import 'document-register-element';

integration/cli-elements-universal/src/styles.css

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+/* You can add global styles to this file, and also import other style files */

integration/cli-elements-universal/src/test.ts

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+// This file is required by karma.conf.js and loads recursively all the .spec and framework files
+
+import 'zone.js/dist/zone-testing';
+import { getTestBed } from '@angular/core/testing';
+import {
+  BrowserDynamicTestingModule,
+  platformBrowserDynamicTesting
+} from '@angular/platform-browser-dynamic/testing';
+
+declare const require: {
+  context(path: string, deep?: boolean, filter?: RegExp): {
+    keys(): string[];
+    <T>(id: string): T;
+  };
+};
+
+// First, initialize the Angular testing environment.
+getTestBed().initTestEnvironment(
+  BrowserDynamicTestingModule,
+  platformBrowserDynamicTesting()
+);
+// Then we find all the tests.
+const context = require.context('./', true, /\.spec\.ts$/);
+// And load the modules.
+context.keys().map(context);