582 lines
21 KiB
TypeScript
582 lines
21 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 {DOCUMENT, isPlatformBrowser, ɵgetDOM as getDOM} from '@angular/common';
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import {APP_INITIALIZER, Compiler, Component, createPlatformFactory, CUSTOM_ELEMENTS_SCHEMA, Directive, ErrorHandler, Inject, Injector, Input, LOCALE_ID, NgModule, OnDestroy, Pipe, PLATFORM_ID, PLATFORM_INITIALIZER, Provider, Sanitizer, StaticProvider, Type, VERSION} from '@angular/core';
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import {ApplicationRef, destroyPlatform} from '@angular/core/src/application_ref';
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import {Console} from '@angular/core/src/console';
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import {ComponentRef} from '@angular/core/src/linker/component_factory';
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import {Testability, TestabilityRegistry} from '@angular/core/src/testability/testability';
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import {afterEach, AsyncTestCompleter, beforeEach, beforeEachProviders, describe, inject, it, Log} from '@angular/core/testing/src/testing_internal';
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import {BrowserModule} from '@angular/platform-browser';
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import {platformBrowserDynamic} from '@angular/platform-browser-dynamic';
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import {expect} from '@angular/platform-browser/testing/src/matchers';
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import {ivyEnabled, modifiedInIvy, onlyInIvy} from '@angular/private/testing';
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@Component({selector: 'non-existent', template: ''})
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class NonExistentComp {
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}
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@Component({selector: 'hello-app', template: '{{greeting}} world!'})
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class HelloRootCmp {
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greeting: string;
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constructor() {
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this.greeting = 'hello';
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}
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}
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@Component({selector: 'hello-app', template: 'before: <ng-content></ng-content> after: done'})
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class HelloRootCmpContent {
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constructor() {}
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}
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@Component({selector: 'hello-app-2', template: '{{greeting}} world, again!'})
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class HelloRootCmp2 {
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greeting: string;
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constructor() {
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this.greeting = 'hello';
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}
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}
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@Component({selector: 'hello-app', template: ''})
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class HelloRootCmp3 {
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appBinding: any /** TODO #9100 */;
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constructor(@Inject('appBinding') appBinding: any /** TODO #9100 */) {
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this.appBinding = appBinding;
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}
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}
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@Component({selector: 'hello-app', template: ''})
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class HelloRootCmp4 {
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appRef: any /** TODO #9100 */;
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constructor(@Inject(ApplicationRef) appRef: ApplicationRef) {
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this.appRef = appRef;
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}
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}
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@Component({selector: 'hello-app'})
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class HelloRootMissingTemplate {
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}
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@Directive({selector: 'hello-app'})
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class HelloRootDirectiveIsNotCmp {
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}
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@Component({selector: 'hello-app', template: ''})
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class HelloOnDestroyTickCmp implements OnDestroy {
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appRef: ApplicationRef;
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constructor(@Inject(ApplicationRef) appRef: ApplicationRef) {
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this.appRef = appRef;
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}
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ngOnDestroy(): void {
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this.appRef.tick();
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}
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}
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@Component({selector: 'hello-app', templateUrl: './sometemplate.html'})
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class HelloUrlCmp {
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greeting = 'hello';
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}
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@Directive({selector: '[someDir]', host: {'[title]': 'someDir'}})
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class SomeDirective {
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// TODO(issue/24571): remove '!'.
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@Input() someDir!: string;
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}
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@Pipe({name: 'somePipe'})
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class SomePipe {
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transform(value: string): any {
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return `transformed ${value}`;
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}
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}
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@Component({selector: 'hello-app', template: `<div [someDir]="'someValue' | somePipe"></div>`})
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class HelloCmpUsingPlatformDirectiveAndPipe {
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show: boolean = false;
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}
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@Component({selector: 'hello-app', template: '<some-el [someProp]="true">hello world!</some-el>'})
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class HelloCmpUsingCustomElement {
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}
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class MockConsole {
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res: any[][] = [];
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error(...s: any[]): void {
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this.res.push(s);
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}
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}
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class DummyConsole implements Console {
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public warnings: string[] = [];
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log(message: string) {}
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warn(message: string) {
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this.warnings.push(message);
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}
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}
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class TestModule {}
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function bootstrap(
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cmpType: any, providers: Provider[] = [], platformProviders: StaticProvider[] = [],
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imports: Type<any>[] = []): Promise<any> {
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@NgModule({
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imports: [BrowserModule, ...imports],
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declarations: [cmpType],
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bootstrap: [cmpType],
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providers: providers,
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schemas: [CUSTOM_ELEMENTS_SCHEMA]
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})
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class TestModule {
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}
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return platformBrowserDynamic(platformProviders).bootstrapModule(TestModule);
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}
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{
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let el: any /** TODO #9100 */, el2: any /** TODO #9100 */, testProviders: Provider[],
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lightDom: any /** TODO #9100 */;
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describe('bootstrap factory method', () => {
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if (isNode) return;
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let compilerConsole: DummyConsole;
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beforeEachProviders(() => {
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return [Log];
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});
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beforeEach(inject([DOCUMENT], (doc: any) => {
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destroyPlatform();
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compilerConsole = new DummyConsole();
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testProviders = [{provide: Console, useValue: compilerConsole}];
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const oldRoots = doc.querySelectorAll('hello-app,hello-app-2,light-dom-el');
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for (let i = 0; i < oldRoots.length; i++) {
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getDOM().remove(oldRoots[i]);
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}
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el = getDOM().createElement('hello-app', doc);
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el2 = getDOM().createElement('hello-app-2', doc);
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lightDom = getDOM().createElement('light-dom-el', doc);
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doc.body.appendChild(el);
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doc.body.appendChild(el2);
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el.appendChild(lightDom);
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lightDom.textContent = 'loading';
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}));
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afterEach(destroyPlatform);
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// TODO(misko): can't use `modifiedInIvy.it` because the `it` is somehow special here.
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modifiedInIvy('bootstrapping non-Component throws in View Engine').isEnabled &&
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it('should throw if bootstrapped Directive is not a Component',
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inject([AsyncTestCompleter], (done: AsyncTestCompleter) => {
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const logger = new MockConsole();
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const errorHandler = new ErrorHandler();
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(errorHandler as any)._console = logger as any;
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expect(
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() => bootstrap(
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HelloRootDirectiveIsNotCmp, [{provide: ErrorHandler, useValue: errorHandler}]))
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.toThrowError(`HelloRootDirectiveIsNotCmp cannot be used as an entry component.`);
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done.done();
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}));
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// TODO(misko): can't use `onlyInIvy.it` because the `it` is somehow special here.
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onlyInIvy('bootstrapping non-Component rejects Promise in Ivy').isEnabled &&
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it('should throw if bootstrapped Directive is not a Component',
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inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
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const logger = new MockConsole();
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const errorHandler = new ErrorHandler();
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(errorHandler as any)._console = logger as any;
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bootstrap(HelloRootDirectiveIsNotCmp, [
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{provide: ErrorHandler, useValue: errorHandler}
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]).catch((error: Error) => {
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expect(error).toEqual(
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new Error(`HelloRootDirectiveIsNotCmp cannot be used as an entry component.`));
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async.done();
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});
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}));
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it('should retrieve sanitizer', inject([Injector], (injector: Injector) => {
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const sanitizer: Sanitizer|null = injector.get(Sanitizer, null);
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if (ivyEnabled) {
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// In Ivy we don't want to have sanitizer in DI. We use DI only to overwrite the
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// sanitizer, but not for default one. The default one is pulled in by the Ivy
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// instructions as needed.
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expect(sanitizer).toBe(null);
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} else {
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// In VE we always need to have Sanitizer available.
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expect(sanitizer).not.toBe(null);
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}
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}));
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it('should throw if no element is found',
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inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
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const logger = new MockConsole();
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const errorHandler = new ErrorHandler();
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(errorHandler as any)._console = logger as any;
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bootstrap(NonExistentComp, [
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{provide: ErrorHandler, useValue: errorHandler}
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]).then(null, (reason) => {
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expect(reason.message)
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.toContain('The selector "non-existent" did not match any elements');
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async.done();
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return null;
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});
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}));
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it('should throw if no provider', inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
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const logger = new MockConsole();
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const errorHandler = new ErrorHandler();
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(errorHandler as any)._console = logger as any;
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class IDontExist {}
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@Component({selector: 'cmp', template: 'Cmp'})
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class CustomCmp {
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constructor(iDontExist: IDontExist) {}
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}
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@Component({
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selector: 'hello-app',
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template: '<cmp></cmp>',
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})
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class RootCmp {
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}
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@NgModule({declarations: [CustomCmp], exports: [CustomCmp]})
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class CustomModule {
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}
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bootstrap(RootCmp, [{provide: ErrorHandler, useValue: errorHandler}], [], [
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CustomModule
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]).then(null, (e: Error) => {
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let errorMsg: string;
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if (ivyEnabled) {
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errorMsg = `R3InjectorError(TestModule)[IDontExist -> IDontExist -> IDontExist]: \n`;
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} else {
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errorMsg = `StaticInjectorError(TestModule)[CustomCmp -> IDontExist]: \n` +
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' StaticInjectorError(Platform: core)[CustomCmp -> IDontExist]: \n' +
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' NullInjectorError: No provider for IDontExist!';
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}
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expect(e.message).toContain(errorMsg);
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async.done();
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return null;
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});
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}));
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if (getDOM().supportsDOMEvents()) {
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it('should forward the error to promise when bootstrap fails',
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inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
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const logger = new MockConsole();
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const errorHandler = new ErrorHandler();
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(errorHandler as any)._console = logger as any;
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const refPromise =
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bootstrap(NonExistentComp, [{provide: ErrorHandler, useValue: errorHandler}]);
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refPromise.then(null, (reason: any) => {
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expect(reason.message)
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.toContain('The selector "non-existent" did not match any elements');
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async.done();
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});
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}));
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it('should invoke the default exception handler when bootstrap fails',
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inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
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const logger = new MockConsole();
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const errorHandler = new ErrorHandler();
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(errorHandler as any)._console = logger as any;
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const refPromise =
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bootstrap(NonExistentComp, [{provide: ErrorHandler, useValue: errorHandler}]);
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refPromise.then(null, (reason) => {
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expect(logger.res[0].join('#'))
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.toContain('ERROR#Error: The selector "non-existent" did not match any elements');
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async.done();
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return null;
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});
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}));
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}
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it('should create an injector promise', () => {
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const refPromise = bootstrap(HelloRootCmp, testProviders);
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expect(refPromise).toEqual(jasmine.any(Promise));
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});
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it('should set platform name to browser',
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inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
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const refPromise = bootstrap(HelloRootCmp, testProviders);
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refPromise.then((ref) => {
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expect(isPlatformBrowser(ref.injector.get(PLATFORM_ID))).toBe(true);
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async.done();
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});
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}));
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it('should display hello world', inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
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const refPromise = bootstrap(HelloRootCmp, testProviders);
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refPromise.then((ref) => {
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expect(el).toHaveText('hello world!');
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expect(el.getAttribute('ng-version')).toEqual(VERSION.full);
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async.done();
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});
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}));
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it('should throw a descriptive error if BrowserModule is installed again via a lazily loaded module',
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inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
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@NgModule({imports: [BrowserModule]})
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class AsyncModule {
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}
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bootstrap(HelloRootCmp, testProviders)
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.then((ref: ComponentRef<HelloRootCmp>) => {
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const compiler: Compiler = ref.injector.get(Compiler);
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return compiler.compileModuleAsync(AsyncModule).then(factory => {
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expect(() => factory.create(ref.injector))
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.toThrowError(
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`BrowserModule has already been loaded. If you need access to common directives such as NgIf and NgFor from a lazy loaded module, import CommonModule instead.`);
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});
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})
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.then(() => async.done(), err => async.fail(err));
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}));
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it('should support multiple calls to bootstrap',
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inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
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const refPromise1 = bootstrap(HelloRootCmp, testProviders);
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const refPromise2 = bootstrap(HelloRootCmp2, testProviders);
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Promise.all([refPromise1, refPromise2]).then((refs) => {
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expect(el).toHaveText('hello world!');
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expect(el2).toHaveText('hello world, again!');
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async.done();
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});
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}));
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it('should not crash if change detection is invoked when the root component is disposed',
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inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
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bootstrap(HelloOnDestroyTickCmp, testProviders).then((ref) => {
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expect(() => ref.destroy()).not.toThrow();
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async.done();
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});
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}));
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it('should unregister change detectors when components are disposed',
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inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
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bootstrap(HelloRootCmp, testProviders).then((ref) => {
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const appRef = ref.injector.get(ApplicationRef);
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ref.destroy();
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expect(() => appRef.tick()).not.toThrow();
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async.done();
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});
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}));
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it('should make the provided bindings available to the application component',
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inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
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const refPromise = bootstrap(
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HelloRootCmp3, [testProviders, {provide: 'appBinding', useValue: 'BoundValue'}]);
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refPromise.then((ref) => {
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expect(ref.injector.get('appBinding')).toEqual('BoundValue');
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async.done();
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});
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}));
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it('should not override locale provided during bootstrap',
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inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
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const refPromise =
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bootstrap(HelloRootCmp, [testProviders], [{provide: LOCALE_ID, useValue: 'fr-FR'}]);
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refPromise.then(ref => {
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expect(ref.injector.get(LOCALE_ID)).toEqual('fr-FR');
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async.done();
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});
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}));
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it('should avoid cyclic dependencies when root component requires Lifecycle through DI',
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inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
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const refPromise = bootstrap(HelloRootCmp4, testProviders);
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refPromise.then((ref) => {
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const appRef = ref.injector.get(ApplicationRef);
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expect(appRef).toBeDefined();
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async.done();
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});
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}));
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it('should run platform initializers',
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inject([Log, AsyncTestCompleter], (log: Log, async: AsyncTestCompleter) => {
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const p = createPlatformFactory(platformBrowserDynamic, 'someName', [
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{provide: PLATFORM_INITIALIZER, useValue: log.fn('platform_init1'), multi: true},
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{provide: PLATFORM_INITIALIZER, useValue: log.fn('platform_init2'), multi: true}
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])();
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@NgModule({
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imports: [BrowserModule],
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providers: [
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{provide: APP_INITIALIZER, useValue: log.fn('app_init1'), multi: true},
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{provide: APP_INITIALIZER, useValue: log.fn('app_init2'), multi: true}
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]
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})
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class SomeModule {
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ngDoBootstrap() {}
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}
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expect(log.result()).toEqual('platform_init1; platform_init2');
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log.clear();
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p.bootstrapModule(SomeModule).then(() => {
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expect(log.result()).toEqual('app_init1; app_init2');
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async.done();
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});
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}));
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it('should remove styles when transitioning from a server render',
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inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
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@Component({
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selector: 'root',
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template: 'root',
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})
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class RootCmp {
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}
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@NgModule({
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bootstrap: [RootCmp],
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declarations: [RootCmp],
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imports: [BrowserModule.withServerTransition({appId: 'my-app'})],
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})
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class TestModule {
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}
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// First, set up styles to be removed.
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const dom = getDOM();
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const platform = platformBrowserDynamic();
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const document = platform.injector.get(DOCUMENT);
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const style = dom.createElement('style', document);
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style.setAttribute('ng-transition', 'my-app');
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document.head.appendChild(style);
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const root = dom.createElement('root', document);
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document.body.appendChild(root);
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platform.bootstrapModule(TestModule).then(() => {
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const styles: HTMLElement[] =
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Array.prototype.slice.apply(document.getElementsByTagName('style') || []);
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styles.forEach(style => {
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expect(style.getAttribute('ng-transition')).not.toBe('my-app');
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});
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async.done();
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});
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}));
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it('should register each application with the testability registry',
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inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
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const refPromise1: Promise<ComponentRef<any>> = bootstrap(HelloRootCmp, testProviders);
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const refPromise2: Promise<ComponentRef<any>> = bootstrap(HelloRootCmp2, testProviders);
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Promise.all([refPromise1, refPromise2]).then((refs: ComponentRef<any>[]) => {
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const registry = refs[0].injector.get(TestabilityRegistry);
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const testabilities =
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[refs[0].injector.get(Testability), refs[1].injector.get(Testability)];
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Promise.all(testabilities).then((testabilities: Testability[]) => {
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expect(registry.findTestabilityInTree(el)).toEqual(testabilities[0]);
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expect(registry.findTestabilityInTree(el2)).toEqual(testabilities[1]);
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async.done();
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});
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});
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}));
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it('should allow to pass schemas', inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
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bootstrap(HelloCmpUsingCustomElement, testProviders).then((compRef) => {
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expect(el).toHaveText('hello world!');
|
|
async.done();
|
|
});
|
|
}));
|
|
|
|
describe('change detection', () => {
|
|
const log: string[] = [];
|
|
@Component({
|
|
selector: 'hello-app',
|
|
template: '<div id="button-a" (click)="onClick()">{{title}}</div>',
|
|
})
|
|
class CompA {
|
|
title: string = '';
|
|
ngDoCheck() {
|
|
log.push('CompA:ngDoCheck');
|
|
}
|
|
onClick() {
|
|
this.title = 'CompA';
|
|
log.push('CompA:onClick');
|
|
}
|
|
}
|
|
|
|
@Component({
|
|
selector: 'hello-app-2',
|
|
template: '<div id="button-b" (click)="onClick()">{{title}}</div>',
|
|
})
|
|
class CompB {
|
|
title: string = '';
|
|
ngDoCheck() {
|
|
log.push('CompB:ngDoCheck');
|
|
}
|
|
onClick() {
|
|
this.title = 'CompB';
|
|
log.push('CompB:onClick');
|
|
}
|
|
}
|
|
|
|
it('should be triggered for all bootstrapped components in case change happens in one of them',
|
|
inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
|
|
@NgModule({
|
|
imports: [BrowserModule],
|
|
declarations: [CompA, CompB],
|
|
bootstrap: [CompA, CompB],
|
|
schemas: [CUSTOM_ELEMENTS_SCHEMA]
|
|
})
|
|
class TestModuleA {
|
|
}
|
|
platformBrowserDynamic().bootstrapModule(TestModuleA).then((ref) => {
|
|
log.length = 0;
|
|
el.querySelectorAll('#button-a')[0].click();
|
|
expect(log).toContain('CompA:onClick');
|
|
expect(log).toContain('CompA:ngDoCheck');
|
|
expect(log).toContain('CompB:ngDoCheck');
|
|
|
|
log.length = 0;
|
|
el2.querySelectorAll('#button-b')[0].click();
|
|
expect(log).toContain('CompB:onClick');
|
|
expect(log).toContain('CompA:ngDoCheck');
|
|
expect(log).toContain('CompB:ngDoCheck');
|
|
|
|
async.done();
|
|
});
|
|
}));
|
|
|
|
|
|
it('should work in isolation for each component bootstrapped individually',
|
|
inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
|
|
const refPromise1 = bootstrap(CompA);
|
|
const refPromise2 = bootstrap(CompB);
|
|
Promise.all([refPromise1, refPromise2]).then((refs) => {
|
|
log.length = 0;
|
|
el.querySelectorAll('#button-a')[0].click();
|
|
expect(log).toContain('CompA:onClick');
|
|
expect(log).toContain('CompA:ngDoCheck');
|
|
expect(log).not.toContain('CompB:ngDoCheck');
|
|
|
|
log.length = 0;
|
|
el2.querySelectorAll('#button-b')[0].click();
|
|
expect(log).toContain('CompB:onClick');
|
|
expect(log).toContain('CompB:ngDoCheck');
|
|
expect(log).not.toContain('CompA:ngDoCheck');
|
|
|
|
async.done();
|
|
});
|
|
}));
|
|
});
|
|
});
|
|
}
|