1076 lines
39 KiB
TypeScript
1076 lines
39 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 {CompilerConfig, ResourceLoader} from '@angular/compiler';
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import {Compiler, Component, ComponentFactoryResolver, CUSTOM_ELEMENTS_SCHEMA, Directive, Inject, Injectable, InjectionToken, Injector, Input, NgModule, Optional, Pipe, SkipSelf, ɵstringify as stringify} from '@angular/core';
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import {async, fakeAsync, getTestBed, inject, TestBed, tick, withModule} from '@angular/core/testing';
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import {expect} from '@angular/platform-browser/testing/src/matchers';
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import {ivyEnabled, modifiedInIvy, obsoleteInIvy, onlyInIvy} from '@angular/private/testing';
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// Services, and components for the tests.
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@Component({selector: 'child-comp', template: `<span>Original {{childBinding}}</span>`})
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@Injectable()
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class ChildComp {
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childBinding: string;
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constructor() {
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this.childBinding = 'Child';
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}
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}
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@Component({selector: 'child-comp', template: `<span>Mock</span>`})
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@Injectable()
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class MockChildComp {
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}
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@Component({
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selector: 'parent-comp',
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template: `Parent(<child-comp></child-comp>)`,
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})
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@Injectable()
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class ParentComp {
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}
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@Component({selector: 'my-if-comp', template: `MyIf(<span *ngIf="showMore">More</span>)`})
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@Injectable()
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class MyIfComp {
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showMore: boolean = false;
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}
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@Component({selector: 'child-child-comp', template: `<span>ChildChild</span>`})
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@Injectable()
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class ChildChildComp {
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}
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@Component({
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selector: 'child-comp',
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template: `<span>Original {{childBinding}}(<child-child-comp></child-child-comp>)</span>`,
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})
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@Injectable()
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class ChildWithChildComp {
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childBinding: string;
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constructor() {
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this.childBinding = 'Child';
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}
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}
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class FancyService {
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value: string = 'real value';
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getAsyncValue() {
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return Promise.resolve('async value');
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}
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getTimeoutValue() {
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return new Promise<string>((resolve, reject) => setTimeout(() => resolve('timeout value'), 10));
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}
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}
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class MockFancyService extends FancyService {
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value: string = 'mocked out value';
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}
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@Component({
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selector: 'my-service-comp',
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providers: [FancyService],
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template: `injected value: {{fancyService.value}}`
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})
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class TestProvidersComp {
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constructor(private fancyService: FancyService) {}
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}
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@Component({
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selector: 'my-service-comp',
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viewProviders: [FancyService],
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template: `injected value: {{fancyService.value}}`
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})
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class TestViewProvidersComp {
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constructor(private fancyService: FancyService) {}
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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) {
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return `transformed ${value}`;
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}
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}
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@Component({selector: 'comp', template: `<div [someDir]="'someValue' | somePipe"></div>`})
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class CompUsingModuleDirectiveAndPipe {
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}
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@NgModule()
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class SomeLibModule {
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}
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@Component({
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selector: 'comp',
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templateUrl: '/base/angular/packages/platform-browser/test/static_assets/test.html'
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})
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class CompWithUrlTemplate {
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}
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const aTok = new InjectionToken<string>('a');
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const bTok = new InjectionToken<string>('b');
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{
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describe('public testing API', () => {
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describe('using the async helper with context passing', () => {
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type TestContext = {actuallyDone: boolean};
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beforeEach(function(this: TestContext) {
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this.actuallyDone = false;
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});
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afterEach(function(this: TestContext) {
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expect(this.actuallyDone).toEqual(true);
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});
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it('should run normal tests', function(this: TestContext) {
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this.actuallyDone = true;
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});
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it('should run normal async tests', function(this: TestContext, done) {
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setTimeout(() => {
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this.actuallyDone = true;
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done();
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}, 0);
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});
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it('should run async tests with tasks', async(function(this: TestContext) {
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setTimeout(() => this.actuallyDone = true, 0);
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}));
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it('should run async tests with promises', async(function(this: TestContext) {
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const p = new Promise((resolve, reject) => setTimeout(resolve, 10));
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p.then(() => this.actuallyDone = true);
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}));
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});
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describe('basic context passing to inject, fakeAsync and withModule helpers', () => {
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const moduleConfig = {
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providers: [FancyService],
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};
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type TestContext = {contextModified: boolean};
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beforeEach(function(this: TestContext) {
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this.contextModified = false;
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});
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afterEach(function(this: TestContext) {
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expect(this.contextModified).toEqual(true);
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});
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it('should pass context to inject helper', inject([], function(this: TestContext) {
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this.contextModified = true;
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}));
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it('should pass context to fakeAsync helper', fakeAsync(function(this: TestContext) {
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this.contextModified = true;
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}));
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it('should pass context to withModule helper - simple',
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withModule(moduleConfig, function(this: TestContext) {
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this.contextModified = true;
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}));
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it('should pass context to withModule helper - advanced',
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withModule(moduleConfig)
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.inject([FancyService], function(this: TestContext, service: FancyService) {
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expect(service.value).toBe('real value');
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this.contextModified = true;
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}));
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it('should preserve context when async and inject helpers are combined',
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async(inject([], function(this: TestContext) {
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setTimeout(() => this.contextModified = true, 0);
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})));
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it('should preserve context when fakeAsync and inject helpers are combined',
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fakeAsync(inject([], function(this: TestContext) {
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setTimeout(() => this.contextModified = true, 0);
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tick(1);
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})));
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});
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describe('using the test injector with the inject helper', () => {
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describe('setting up Providers', () => {
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beforeEach(() => {
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TestBed.configureTestingModule(
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{providers: [{provide: FancyService, useValue: new FancyService()}]});
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it('should use set up providers', inject([FancyService], (service: FancyService) => {
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expect(service.value).toEqual('real value');
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}));
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it('should wait until returned promises',
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async(inject([FancyService], (service: FancyService) => {
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service.getAsyncValue().then((value) => expect(value).toEqual('async value'));
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service.getTimeoutValue().then((value) => expect(value).toEqual('timeout value'));
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})));
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it('should allow the use of fakeAsync',
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fakeAsync(inject([FancyService], (service: FancyService) => {
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let value: string = undefined!;
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service.getAsyncValue().then((val) => value = val);
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tick();
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expect(value).toEqual('async value');
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})));
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it('should allow use of "done"', (done) => {
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inject([FancyService], (service: FancyService) => {
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let count = 0;
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const id = setInterval(() => {
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count++;
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if (count > 2) {
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clearInterval(id);
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done();
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}
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}, 5);
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})(); // inject needs to be invoked explicitly with ().
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});
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describe('using beforeEach', () => {
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beforeEach(inject([FancyService], (service: FancyService) => {
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service.value = 'value modified in beforeEach';
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}));
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it('should use modified providers', inject([FancyService], (service: FancyService) => {
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expect(service.value).toEqual('value modified in beforeEach');
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}));
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});
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describe('using async beforeEach', () => {
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beforeEach(async(inject([FancyService], (service: FancyService) => {
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service.getAsyncValue().then((value) => service.value = value);
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})));
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it('should use asynchronously modified value',
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inject([FancyService], (service: FancyService) => {
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expect(service.value).toEqual('async value');
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}));
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});
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});
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});
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});
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describe('using the test injector with modules', () => {
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const moduleConfig = {
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providers: [FancyService],
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imports: [SomeLibModule],
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declarations: [SomeDirective, SomePipe, CompUsingModuleDirectiveAndPipe],
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};
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describe('setting up a module', () => {
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beforeEach(() => TestBed.configureTestingModule(moduleConfig));
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it('should use set up providers', inject([FancyService], (service: FancyService) => {
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expect(service.value).toEqual('real value');
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}));
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it('should be able to create any declared components', () => {
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const compFixture = TestBed.createComponent(CompUsingModuleDirectiveAndPipe);
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expect(compFixture.componentInstance).toBeAnInstanceOf(CompUsingModuleDirectiveAndPipe);
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});
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it('should use set up directives and pipes', () => {
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const compFixture = TestBed.createComponent(CompUsingModuleDirectiveAndPipe);
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const el = compFixture.debugElement;
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compFixture.detectChanges();
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expect(el.children[0].properties['title']).toBe('transformed someValue');
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});
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it('should use set up imported modules',
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inject([SomeLibModule], (libModule: SomeLibModule) => {
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expect(libModule).toBeAnInstanceOf(SomeLibModule);
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}));
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describe('provided schemas', () => {
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@Component({template: '<some-element [someUnknownProp]="true"></some-element>'})
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class ComponentUsingInvalidProperty {
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}
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beforeEach(() => {
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TestBed.configureTestingModule(
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{schemas: [CUSTOM_ELEMENTS_SCHEMA], declarations: [ComponentUsingInvalidProperty]});
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});
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it('should not error on unknown bound properties on custom elements when using the CUSTOM_ELEMENTS_SCHEMA',
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() => {
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expect(TestBed.createComponent(ComponentUsingInvalidProperty).componentInstance)
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.toBeAnInstanceOf(ComponentUsingInvalidProperty);
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});
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});
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});
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describe('per test modules', () => {
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it('should use set up providers',
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withModule(moduleConfig).inject([FancyService], (service: FancyService) => {
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expect(service.value).toEqual('real value');
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}));
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it('should use set up directives and pipes', withModule(moduleConfig, () => {
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const compFixture = TestBed.createComponent(CompUsingModuleDirectiveAndPipe);
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const el = compFixture.debugElement;
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compFixture.detectChanges();
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expect(el.children[0].properties['title']).toBe('transformed someValue');
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}));
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it('should use set up library modules',
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withModule(moduleConfig).inject([SomeLibModule], (libModule: SomeLibModule) => {
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expect(libModule).toBeAnInstanceOf(SomeLibModule);
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}));
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});
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describe('components with template url', () => {
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beforeEach(async(() => {
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TestBed.configureTestingModule({declarations: [CompWithUrlTemplate]});
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TestBed.compileComponents();
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}));
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isBrowser &&
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it('should allow to createSync components with templateUrl after explicit async compilation',
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() => {
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const fixture = TestBed.createComponent(CompWithUrlTemplate);
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expect(fixture.nativeElement).toHaveText('from external template');
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});
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});
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describe('overwriting metadata', () => {
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@Pipe({name: 'undefined'})
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class SomePipe {
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transform(value: string): string {
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return `transformed ${value}`;
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}
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}
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@Directive({selector: '[undefined]'})
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class SomeDirective {
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someProp = 'hello';
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}
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@Component({selector: 'comp', template: 'someText'})
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class SomeComponent {
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}
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@Component({selector: 'comp', template: 'someOtherText'})
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class SomeOtherComponent {
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}
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@NgModule({declarations: [SomeComponent, SomeDirective, SomePipe]})
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class SomeModule {
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}
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beforeEach(() => TestBed.configureTestingModule({imports: [SomeModule]}));
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describe('module', () => {
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beforeEach(() => {
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TestBed.overrideModule(SomeModule, {set: {declarations: [SomeOtherComponent]}});
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});
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it('should work', () => {
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expect(TestBed.createComponent(SomeOtherComponent).componentInstance)
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.toBeAnInstanceOf(SomeOtherComponent);
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});
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});
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describe('component', () => {
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beforeEach(() => {
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TestBed.overrideComponent(
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SomeComponent, {set: {selector: 'comp', template: 'newText'}});
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});
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it('should work', () => {
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expect(TestBed.createComponent(SomeComponent).nativeElement).toHaveText('newText');
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});
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});
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describe('directive', () => {
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beforeEach(() => {
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TestBed
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.overrideComponent(
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SomeComponent, {set: {selector: 'comp', template: `<div someDir></div>`}})
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.overrideDirective(
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SomeDirective, {set: {selector: '[someDir]', host: {'[title]': 'someProp'}}});
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});
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it('should work', () => {
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const compFixture = TestBed.createComponent(SomeComponent);
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compFixture.detectChanges();
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expect(compFixture.debugElement.children[0].properties['title']).toEqual('hello');
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});
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});
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describe('pipe', () => {
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beforeEach(() => {
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TestBed
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.overrideComponent(
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SomeComponent, {set: {selector: 'comp', template: `{{'hello' | somePipe}}`}})
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.overridePipe(SomePipe, {set: {name: 'somePipe'}})
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.overridePipe(SomePipe, {add: {pure: false}});
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});
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it('should work', () => {
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const compFixture = TestBed.createComponent(SomeComponent);
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compFixture.detectChanges();
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expect(compFixture.nativeElement).toHaveText('transformed hello');
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});
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});
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describe('template', () => {
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let testBedSpy: any;
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beforeEach(() => {
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testBedSpy = spyOn(getTestBed(), 'overrideComponent').and.callThrough();
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TestBed.overrideTemplate(SomeComponent, 'newText');
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});
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it(`should override component's template`, () => {
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const fixture = TestBed.createComponent(SomeComponent);
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expect(fixture.nativeElement).toHaveText('newText');
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expect(testBedSpy).toHaveBeenCalledWith(SomeComponent, {
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set: {template: 'newText', templateUrl: null}
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});
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});
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});
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});
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describe('overriding providers', () => {
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describe('in core', () => {
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it('ComponentFactoryResolver', () => {
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const componentFactoryMock =
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jasmine.createSpyObj('componentFactory', ['resolveComponentFactory']);
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TestBed.overrideProvider(ComponentFactoryResolver, {useValue: componentFactoryMock});
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expect(TestBed.get(ComponentFactoryResolver)).toEqual(componentFactoryMock);
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});
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});
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describe('in NgModules', () => {
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it('should support useValue', () => {
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TestBed.configureTestingModule({
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providers: [
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{provide: aTok, useValue: 'aValue'},
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]
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});
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TestBed.overrideProvider(aTok, {useValue: 'mockValue'});
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expect(TestBed.inject(aTok)).toBe('mockValue');
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});
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it('should support useFactory', () => {
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TestBed.configureTestingModule({
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providers: [
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{provide: 'dep', useValue: 'depValue'},
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{provide: aTok, useValue: 'aValue'},
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]
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});
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TestBed.overrideProvider(
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aTok, {useFactory: (dep: any) => `mockA: ${dep}`, deps: ['dep']});
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expect(TestBed.inject(aTok)).toBe('mockA: depValue');
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});
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it('should support @Optional without matches', () => {
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TestBed.configureTestingModule({
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providers: [
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{provide: aTok, useValue: 'aValue'},
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]
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});
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TestBed.overrideProvider(
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aTok, {useFactory: (dep: any) => `mockA: ${dep}`, deps: [[new Optional(), 'dep']]});
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expect(TestBed.inject(aTok)).toBe('mockA: null');
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});
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it('should support Optional with matches', () => {
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TestBed.configureTestingModule({
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providers: [
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{provide: 'dep', useValue: 'depValue'},
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{provide: aTok, useValue: 'aValue'},
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]
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});
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TestBed.overrideProvider(
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aTok, {useFactory: (dep: any) => `mockA: ${dep}`, deps: [[new Optional(), 'dep']]});
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expect(TestBed.inject(aTok)).toBe('mockA: depValue');
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});
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it('should support SkipSelf', () => {
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@NgModule({
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providers: [
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{provide: aTok, useValue: 'aValue'},
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{provide: 'dep', useValue: 'depValue'},
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]
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})
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class MyModule {
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}
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TestBed.overrideProvider(
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aTok, {useFactory: (dep: any) => `mockA: ${dep}`, deps: [[new SkipSelf(), 'dep']]});
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TestBed.configureTestingModule(
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{providers: [{provide: 'dep', useValue: 'parentDepValue'}]});
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const compiler = TestBed.inject(Compiler);
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const modFactory = compiler.compileModuleSync(MyModule);
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expect(modFactory.create(getTestBed()).injector.get(aTok))
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.toBe('mockA: parentDepValue');
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});
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it('should keep imported NgModules eager', () => {
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let someModule: SomeModule|undefined;
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@NgModule()
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class SomeModule {
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constructor() {
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someModule = this;
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}
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}
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TestBed.configureTestingModule({
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providers: [
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{provide: aTok, useValue: 'aValue'},
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],
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imports: [SomeModule]
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});
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TestBed.overrideProvider(aTok, {useValue: 'mockValue'});
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|
|
expect(TestBed.inject(aTok)).toBe('mockValue');
|
|
expect(someModule).toBeAnInstanceOf(SomeModule);
|
|
});
|
|
|
|
describe('injecting eager providers into an eager overwritten provider', () => {
|
|
@NgModule({
|
|
providers: [
|
|
{provide: aTok, useFactory: () => 'aValue'},
|
|
{provide: bTok, useFactory: () => 'bValue'},
|
|
]
|
|
})
|
|
class MyModule {
|
|
// NgModule is eager, which makes all of its deps eager
|
|
constructor(@Inject(aTok) a: any, @Inject(bTok) b: any) {}
|
|
}
|
|
|
|
it('should inject providers that were declared before', () => {
|
|
TestBed.configureTestingModule({imports: [MyModule]});
|
|
TestBed.overrideProvider(
|
|
bTok, {useFactory: (a: string) => `mockB: ${a}`, deps: [aTok]});
|
|
|
|
expect(TestBed.inject(bTok)).toBe('mockB: aValue');
|
|
});
|
|
|
|
it('should inject providers that were declared afterwards', () => {
|
|
TestBed.configureTestingModule({imports: [MyModule]});
|
|
TestBed.overrideProvider(
|
|
aTok, {useFactory: (b: string) => `mockA: ${b}`, deps: [bTok]});
|
|
|
|
expect(TestBed.inject(aTok)).toBe('mockA: bValue');
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('in Components', () => {
|
|
it('should support useValue', () => {
|
|
@Component({
|
|
template: '',
|
|
providers: [
|
|
{provide: aTok, useValue: 'aValue'},
|
|
]
|
|
})
|
|
class MComp {
|
|
}
|
|
|
|
TestBed.overrideProvider(aTok, {useValue: 'mockValue'});
|
|
const ctx =
|
|
TestBed.configureTestingModule({declarations: [MComp]}).createComponent(MComp);
|
|
|
|
expect(ctx.debugElement.injector.get(aTok)).toBe('mockValue');
|
|
});
|
|
|
|
it('should support useFactory', () => {
|
|
@Component({
|
|
template: '',
|
|
providers: [
|
|
{provide: 'dep', useValue: 'depValue'},
|
|
{provide: aTok, useValue: 'aValue'},
|
|
]
|
|
})
|
|
class MyComp {
|
|
}
|
|
|
|
TestBed.overrideProvider(
|
|
aTok, {useFactory: (dep: any) => `mockA: ${dep}`, deps: ['dep']});
|
|
const ctx =
|
|
TestBed.configureTestingModule({declarations: [MyComp]}).createComponent(MyComp);
|
|
|
|
expect(ctx.debugElement.injector.get(aTok)).toBe('mockA: depValue');
|
|
});
|
|
|
|
it('should support @Optional without matches', () => {
|
|
@Component({
|
|
template: '',
|
|
providers: [
|
|
{provide: aTok, useValue: 'aValue'},
|
|
]
|
|
})
|
|
class MyComp {
|
|
}
|
|
|
|
TestBed.overrideProvider(
|
|
aTok, {useFactory: (dep: any) => `mockA: ${dep}`, deps: [[new Optional(), 'dep']]});
|
|
const ctx =
|
|
TestBed.configureTestingModule({declarations: [MyComp]}).createComponent(MyComp);
|
|
|
|
expect(ctx.debugElement.injector.get(aTok)).toBe('mockA: null');
|
|
});
|
|
|
|
it('should support Optional with matches', () => {
|
|
@Component({
|
|
template: '',
|
|
providers: [
|
|
{provide: 'dep', useValue: 'depValue'},
|
|
{provide: aTok, useValue: 'aValue'},
|
|
]
|
|
})
|
|
class MyComp {
|
|
}
|
|
|
|
TestBed.overrideProvider(
|
|
aTok, {useFactory: (dep: any) => `mockA: ${dep}`, deps: [[new Optional(), 'dep']]});
|
|
const ctx =
|
|
TestBed.configureTestingModule({declarations: [MyComp]}).createComponent(MyComp);
|
|
|
|
expect(ctx.debugElement.injector.get(aTok)).toBe('mockA: depValue');
|
|
});
|
|
|
|
it('should support SkipSelf', () => {
|
|
@Directive({
|
|
selector: '[myDir]',
|
|
providers: [
|
|
{provide: aTok, useValue: 'aValue'},
|
|
{provide: 'dep', useValue: 'depValue'},
|
|
]
|
|
})
|
|
class MyDir {
|
|
}
|
|
|
|
@Component({
|
|
template: '<div myDir></div>',
|
|
providers: [
|
|
{provide: 'dep', useValue: 'parentDepValue'},
|
|
]
|
|
})
|
|
class MyComp {
|
|
}
|
|
|
|
TestBed.overrideProvider(
|
|
aTok, {useFactory: (dep: any) => `mockA: ${dep}`, deps: [[new SkipSelf(), 'dep']]});
|
|
const ctx = TestBed.configureTestingModule({declarations: [MyComp, MyDir]})
|
|
.createComponent(MyComp);
|
|
expect(ctx.debugElement.children[0].injector.get(aTok)).toBe('mockA: parentDepValue');
|
|
});
|
|
|
|
it('should support multiple providers in a template', () => {
|
|
@Directive({
|
|
selector: '[myDir1]',
|
|
providers: [
|
|
{provide: aTok, useValue: 'aValue1'},
|
|
]
|
|
})
|
|
class MyDir1 {
|
|
}
|
|
|
|
@Directive({
|
|
selector: '[myDir2]',
|
|
providers: [
|
|
{provide: aTok, useValue: 'aValue2'},
|
|
]
|
|
})
|
|
class MyDir2 {
|
|
}
|
|
|
|
@Component({
|
|
template: '<div myDir1></div><div myDir2></div>',
|
|
})
|
|
class MyComp {
|
|
}
|
|
|
|
TestBed.overrideProvider(aTok, {useValue: 'mockA'});
|
|
const ctx = TestBed.configureTestingModule({declarations: [MyComp, MyDir1, MyDir2]})
|
|
.createComponent(MyComp);
|
|
expect(ctx.debugElement.children[0].injector.get(aTok)).toBe('mockA');
|
|
expect(ctx.debugElement.children[1].injector.get(aTok)).toBe('mockA');
|
|
});
|
|
|
|
describe('injecting eager providers into an eager overwritten provider', () => {
|
|
@Component({
|
|
template: '',
|
|
providers: [
|
|
{provide: aTok, useFactory: () => 'aValue'},
|
|
{provide: bTok, useFactory: () => 'bValue'},
|
|
]
|
|
})
|
|
class MyComp {
|
|
// Component is eager, which makes all of its deps eager
|
|
constructor(@Inject(aTok) a: any, @Inject(bTok) b: any) {}
|
|
}
|
|
|
|
it('should inject providers that were declared before it', () => {
|
|
TestBed.overrideProvider(
|
|
bTok, {useFactory: (a: string) => `mockB: ${a}`, deps: [aTok]});
|
|
const ctx =
|
|
TestBed.configureTestingModule({declarations: [MyComp]}).createComponent(MyComp);
|
|
|
|
expect(ctx.debugElement.injector.get(bTok)).toBe('mockB: aValue');
|
|
});
|
|
|
|
it('should inject providers that were declared after it', () => {
|
|
TestBed.overrideProvider(
|
|
aTok, {useFactory: (b: string) => `mockA: ${b}`, deps: [bTok]});
|
|
const ctx =
|
|
TestBed.configureTestingModule({declarations: [MyComp]}).createComponent(MyComp);
|
|
|
|
expect(ctx.debugElement.injector.get(aTok)).toBe('mockA: bValue');
|
|
});
|
|
});
|
|
});
|
|
|
|
it('should reset overrides when the testing modules is resetted', () => {
|
|
TestBed.overrideProvider(aTok, {useValue: 'mockValue'});
|
|
TestBed.resetTestingModule();
|
|
TestBed.configureTestingModule({providers: [{provide: aTok, useValue: 'aValue'}]});
|
|
expect(TestBed.inject(aTok)).toBe('aValue');
|
|
});
|
|
});
|
|
|
|
describe('overrideTemplateUsingTestingModule', () => {
|
|
it('should compile the template in the context of the testing module', () => {
|
|
@Component({selector: 'comp', template: 'a'})
|
|
class MyComponent {
|
|
prop = 'some prop';
|
|
}
|
|
|
|
let testDir: TestDir|undefined;
|
|
|
|
@Directive({selector: '[test]'})
|
|
class TestDir {
|
|
constructor() {
|
|
testDir = this;
|
|
}
|
|
|
|
// TODO(issue/24571): remove '!'.
|
|
@Input('test') test!: string;
|
|
}
|
|
|
|
TestBed.overrideTemplateUsingTestingModule(
|
|
MyComponent, '<div [test]="prop">Hello world!</div>');
|
|
|
|
const fixture = TestBed.configureTestingModule({declarations: [MyComponent, TestDir]})
|
|
.createComponent(MyComponent);
|
|
fixture.detectChanges();
|
|
expect(fixture.nativeElement).toHaveText('Hello world!');
|
|
expect(testDir).toBeAnInstanceOf(TestDir);
|
|
expect(testDir!.test).toBe('some prop');
|
|
});
|
|
|
|
it('should throw if the TestBed is already created', () => {
|
|
@Component({selector: 'comp', template: 'a'})
|
|
class MyComponent {
|
|
}
|
|
|
|
TestBed.inject(Injector);
|
|
|
|
expect(() => TestBed.overrideTemplateUsingTestingModule(MyComponent, 'b'))
|
|
.toThrowError(
|
|
/Cannot override template when the test module has already been instantiated/);
|
|
});
|
|
|
|
it('should reset overrides when the testing module is resetted', () => {
|
|
@Component({selector: 'comp', template: 'a'})
|
|
class MyComponent {
|
|
}
|
|
|
|
TestBed.overrideTemplateUsingTestingModule(MyComponent, 'b');
|
|
|
|
const fixture = TestBed.resetTestingModule()
|
|
.configureTestingModule({declarations: [MyComponent]})
|
|
.createComponent(MyComponent);
|
|
expect(fixture.nativeElement).toHaveText('a');
|
|
});
|
|
});
|
|
|
|
describe('setting up the compiler', () => {
|
|
describe('providers', () => {
|
|
it('should use set up providers', fakeAsync(() => {
|
|
// Keeping this component inside the test is needed to make sure it's not resolved
|
|
// prior to this test, thus having ɵcmp and a reference in resource
|
|
// resolution queue. This is done to check external resoution logic in isolation by
|
|
// configuring TestBed with the necessary ResourceLoader instance.
|
|
@Component({
|
|
selector: 'comp',
|
|
templateUrl: '/base/angular/packages/platform-browser/test/static_assets/test.html'
|
|
})
|
|
class InternalCompWithUrlTemplate {
|
|
}
|
|
|
|
const resourceLoaderGet = jasmine.createSpy('resourceLoaderGet')
|
|
.and.returnValue(Promise.resolve('Hello world!'));
|
|
TestBed.configureTestingModule({declarations: [InternalCompWithUrlTemplate]});
|
|
TestBed.configureCompiler(
|
|
{providers: [{provide: ResourceLoader, useValue: {get: resourceLoaderGet}}]});
|
|
|
|
TestBed.compileComponents();
|
|
tick();
|
|
const compFixture = TestBed.createComponent(InternalCompWithUrlTemplate);
|
|
expect(compFixture.nativeElement).toHaveText('Hello world!');
|
|
}));
|
|
});
|
|
|
|
describe('useJit true', () => {
|
|
beforeEach(() => TestBed.configureCompiler({useJit: true}));
|
|
obsoleteInIvy('the Render3 compiler JiT mode is not configurable')
|
|
.it('should set the value into CompilerConfig',
|
|
inject([CompilerConfig], (config: CompilerConfig) => {
|
|
expect(config.useJit).toBe(true);
|
|
}));
|
|
});
|
|
describe('useJit false', () => {
|
|
beforeEach(() => TestBed.configureCompiler({useJit: false}));
|
|
obsoleteInIvy('the Render3 compiler JiT mode is not configurable')
|
|
.it('should set the value into CompilerConfig',
|
|
inject([CompilerConfig], (config: CompilerConfig) => {
|
|
expect(config.useJit).toBe(false);
|
|
}));
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('errors', () => {
|
|
let originalJasmineIt: (description: string, func: () => void) => jasmine.Spec;
|
|
let originalJasmineBeforeEach: (beforeEachFunction: (done: DoneFn) => void) => void;
|
|
|
|
const patchJasmineIt = () => {
|
|
let resolve: (result: any) => void;
|
|
let reject: (error: any) => void;
|
|
const promise = new Promise((res, rej) => {
|
|
resolve = res;
|
|
reject = rej;
|
|
});
|
|
originalJasmineIt = jasmine.getEnv().it;
|
|
jasmine.getEnv().it = (description: string, fn: (done: DoneFn) => void): any => {
|
|
const done = <DoneFn>(() => resolve(null));
|
|
done.fail = (err) => reject(err);
|
|
fn(done);
|
|
return null;
|
|
};
|
|
return promise;
|
|
};
|
|
|
|
const restoreJasmineIt = () => jasmine.getEnv().it = originalJasmineIt;
|
|
|
|
const patchJasmineBeforeEach = () => {
|
|
let resolve: (result: any) => void;
|
|
let reject: (error: any) => void;
|
|
const promise = new Promise((res, rej) => {
|
|
resolve = res;
|
|
reject = rej;
|
|
});
|
|
originalJasmineBeforeEach = jasmine.getEnv().beforeEach;
|
|
jasmine.getEnv().beforeEach = (fn: (done: DoneFn) => void) => {
|
|
const done = <DoneFn>(() => resolve(null));
|
|
done.fail = (err) => reject(err);
|
|
fn(done);
|
|
};
|
|
return promise;
|
|
};
|
|
|
|
const restoreJasmineBeforeEach = () => jasmine.getEnv().beforeEach =
|
|
originalJasmineBeforeEach;
|
|
|
|
it('should fail when an asynchronous error is thrown', (done) => {
|
|
const itPromise = patchJasmineIt();
|
|
const barError = new Error('bar');
|
|
|
|
it('throws an async error', async(inject([], () => setTimeout(() => {
|
|
throw barError;
|
|
}, 0))));
|
|
|
|
itPromise.then(() => done.fail('Expected test to fail, but it did not'), (err) => {
|
|
expect(err).toEqual(barError);
|
|
done();
|
|
});
|
|
restoreJasmineIt();
|
|
});
|
|
|
|
it('should fail when a returned promise is rejected', (done) => {
|
|
const itPromise = patchJasmineIt();
|
|
|
|
it('should fail with an error from a promise', async(inject([], () => {
|
|
let reject: (error: any) => void = undefined!;
|
|
const promise = new Promise((_, rej) => reject = rej);
|
|
const p = promise.then(() => expect(1).toEqual(2));
|
|
|
|
reject('baz');
|
|
return p;
|
|
})));
|
|
|
|
itPromise.then(() => done.fail('Expected test to fail, but it did not'), (err) => {
|
|
expect(err.message).toEqual('Uncaught (in promise): baz');
|
|
done();
|
|
});
|
|
restoreJasmineIt();
|
|
});
|
|
|
|
describe('components', () => {
|
|
let resourceLoaderGet: jasmine.Spy;
|
|
beforeEach(() => {
|
|
resourceLoaderGet = jasmine.createSpy('resourceLoaderGet')
|
|
.and.returnValue(Promise.resolve('Hello world!'));
|
|
TestBed.configureCompiler(
|
|
{providers: [{provide: ResourceLoader, useValue: {get: resourceLoaderGet}}]});
|
|
});
|
|
|
|
it('should report an error for declared components with templateUrl which never call TestBed.compileComponents',
|
|
() => {
|
|
const itPromise = patchJasmineIt();
|
|
|
|
@Component({
|
|
selector: 'comp',
|
|
templateUrl: '/base/angular/packages/platform-browser/test/static_assets/test.html'
|
|
})
|
|
class InlineCompWithUrlTemplate {
|
|
}
|
|
|
|
expect(
|
|
() =>
|
|
it('should fail',
|
|
withModule(
|
|
{declarations: [InlineCompWithUrlTemplate]},
|
|
() => TestBed.createComponent(InlineCompWithUrlTemplate))))
|
|
.toThrowError(
|
|
ivyEnabled ?
|
|
`Component 'InlineCompWithUrlTemplate' is not resolved:
|
|
- templateUrl: /base/angular/packages/platform-browser/test/static_assets/test.html
|
|
Did you run and wait for 'resolveComponentResources()'?` :
|
|
`This test module uses the component ${
|
|
stringify(
|
|
InlineCompWithUrlTemplate)} which is using a "templateUrl" or "styleUrls", but they were never compiled. ` +
|
|
`Please call "TestBed.compileComponents" before your test.`);
|
|
|
|
restoreJasmineIt();
|
|
});
|
|
});
|
|
|
|
|
|
modifiedInIvy(`Unknown property error thrown instead of logging a message`)
|
|
.it('should error on unknown bound properties on custom elements by default', () => {
|
|
@Component({template: '<some-element [someUnknownProp]="true"></some-element>'})
|
|
class ComponentUsingInvalidProperty {
|
|
}
|
|
|
|
const itPromise = patchJasmineIt();
|
|
|
|
expect(
|
|
() =>
|
|
it('should fail',
|
|
withModule(
|
|
{declarations: [ComponentUsingInvalidProperty]},
|
|
() => TestBed.createComponent(ComponentUsingInvalidProperty))))
|
|
.toThrowError(/Can't bind to 'someUnknownProp'/);
|
|
|
|
restoreJasmineIt();
|
|
});
|
|
|
|
onlyInIvy(`Unknown property error logged instead of throwing`)
|
|
.it('should error on unknown bound properties on custom elements by default', () => {
|
|
@Component({template: '<div [someUnknownProp]="true"></div>'})
|
|
class ComponentUsingInvalidProperty {
|
|
}
|
|
|
|
const spy = spyOn(console, 'error');
|
|
withModule({declarations: [ComponentUsingInvalidProperty]}, () => {
|
|
const fixture = TestBed.createComponent(ComponentUsingInvalidProperty);
|
|
fixture.detectChanges();
|
|
})();
|
|
expect(spy.calls.mostRecent().args[0]).toMatch(/Can't bind to 'someUnknownProp'/);
|
|
});
|
|
});
|
|
|
|
describe('creating components', () => {
|
|
beforeEach(() => {
|
|
TestBed.configureTestingModule({
|
|
declarations: [
|
|
ChildComp,
|
|
MyIfComp,
|
|
ChildChildComp,
|
|
ParentComp,
|
|
TestProvidersComp,
|
|
TestViewProvidersComp,
|
|
]
|
|
});
|
|
});
|
|
|
|
it('should instantiate a component with valid DOM', async(() => {
|
|
const fixture = TestBed.createComponent(ChildComp);
|
|
fixture.detectChanges();
|
|
|
|
expect(fixture.nativeElement).toHaveText('Original Child');
|
|
}));
|
|
|
|
it('should allow changing members of the component', async(() => {
|
|
const componentFixture = TestBed.createComponent(MyIfComp);
|
|
componentFixture.detectChanges();
|
|
expect(componentFixture.nativeElement).toHaveText('MyIf()');
|
|
|
|
componentFixture.componentInstance.showMore = true;
|
|
componentFixture.detectChanges();
|
|
expect(componentFixture.nativeElement).toHaveText('MyIf(More)');
|
|
}));
|
|
|
|
it('should override a template', async(() => {
|
|
TestBed.overrideComponent(ChildComp, {set: {template: '<span>Mock</span>'}});
|
|
const componentFixture = TestBed.createComponent(ChildComp);
|
|
componentFixture.detectChanges();
|
|
expect(componentFixture.nativeElement).toHaveText('Mock');
|
|
}));
|
|
|
|
it('should override a provider', async(() => {
|
|
TestBed.overrideComponent(
|
|
TestProvidersComp,
|
|
{set: {providers: [{provide: FancyService, useClass: MockFancyService}]}});
|
|
const componentFixture = TestBed.createComponent(TestProvidersComp);
|
|
componentFixture.detectChanges();
|
|
expect(componentFixture.nativeElement).toHaveText('injected value: mocked out value');
|
|
}));
|
|
|
|
|
|
it('should override a viewProvider', async(() => {
|
|
TestBed.overrideComponent(
|
|
TestViewProvidersComp,
|
|
{set: {viewProviders: [{provide: FancyService, useClass: MockFancyService}]}});
|
|
|
|
const componentFixture = TestBed.createComponent(TestViewProvidersComp);
|
|
componentFixture.detectChanges();
|
|
expect(componentFixture.nativeElement).toHaveText('injected value: mocked out value');
|
|
}));
|
|
});
|
|
describe('using alternate components', () => {
|
|
beforeEach(() => {
|
|
TestBed.configureTestingModule({
|
|
declarations: [
|
|
MockChildComp,
|
|
ParentComp,
|
|
]
|
|
});
|
|
});
|
|
|
|
it('should override component dependencies', async(() => {
|
|
const componentFixture = TestBed.createComponent(ParentComp);
|
|
componentFixture.detectChanges();
|
|
expect(componentFixture.nativeElement).toHaveText('Parent(Mock)');
|
|
}));
|
|
});
|
|
});
|
|
}
|