How to use debugElement method in ng-mocks

Best JavaScript code snippet using ng-mocks

debug_element.ts

Source:debug_element.ts Github

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1import {Type, isPresent, isBlank} from 'angular2/src/core/facade/lang';2import {ListWrapper, MapWrapper, Predicate} from 'angular2/src/core/facade/collection';3import {DOM} from 'angular2/src/core/dom/dom_adapter';4import {ElementInjector} from 'angular2/src/core/linker/element_injector';5import {AppView} from 'angular2/src/core/linker/view';6import {internalView} from 'angular2/src/core/linker/view_ref';7import {ElementRef} from 'angular2/src/core/linker/element_ref';8/**9 * A DebugElement contains information from the Angular compiler about an10 * element and provides access to the corresponding ElementInjector and11 * underlying DOM Element, as well as a way to query for children.12 */13export class DebugElement {14 _elementInjector: ElementInjector;15 /**16 * @private17 */18 constructor(private _parentView: AppView, private _boundElementIndex: number) {19 this._elementInjector = this._parentView.elementInjectors[this._boundElementIndex];20 }21 get componentInstance(): any {22 if (!isPresent(this._elementInjector)) {23 return null;24 }25 return this._elementInjector.getComponent();26 }27 get nativeElement(): any { return this.elementRef.nativeElement; }28 get elementRef(): ElementRef { return this._parentView.elementRefs[this._boundElementIndex]; }29 getDirectiveInstance(directiveIndex: number): any {30 return this._elementInjector.getDirectiveAtIndex(directiveIndex);31 }32 /**33 * Get child DebugElements from within the Light DOM.34 *35 * @return {DebugElement[]}36 */37 get children(): DebugElement[] {38 return this._getChildElements(this._parentView, this._boundElementIndex);39 }40 /**41 * Get the root DebugElement children of a component. Returns an empty42 * list if the current DebugElement is not a component root.43 *44 * @return {DebugElement[]}45 */46 get componentViewChildren(): DebugElement[] {47 var shadowView = this._parentView.getNestedView(this._boundElementIndex);48 if (!isPresent(shadowView)) {49 // The current element is not a component.50 return [];51 }52 return this._getChildElements(shadowView, null);53 }54 triggerEventHandler(eventName: string, eventObj: Event): void {55 this._parentView.triggerEventHandlers(eventName, eventObj, this._boundElementIndex);56 }57 hasDirective(type: Type): boolean {58 if (!isPresent(this._elementInjector)) {59 return false;60 }61 return this._elementInjector.hasDirective(type);62 }63 inject(type: Type): any {64 if (!isPresent(this._elementInjector)) {65 return null;66 }67 return this._elementInjector.get(type);68 }69 getLocal(name: string): any { return this._parentView.locals.get(name); }70 /**71 * Return the first descendant TestElement matching the given predicate72 * and scope.73 *74 * @param {Function: boolean} predicate75 * @param {Scope} scope76 *77 * @return {DebugElement}78 */79 query(predicate: Predicate<DebugElement>, scope: Function = Scope.all): DebugElement {80 var results = this.queryAll(predicate, scope);81 return results.length > 0 ? results[0] : null;82 }83 /**84 * Return descendant TestElememts matching the given predicate85 * and scope.86 *87 * @param {Function: boolean} predicate88 * @param {Scope} scope89 *90 * @return {DebugElement[]}91 */92 queryAll(predicate: Predicate<DebugElement>, scope: Function = Scope.all): DebugElement[] {93 var elementsInScope = scope(this);94 return ListWrapper.filter(elementsInScope, predicate);95 }96 _getChildElements(view: AppView, parentBoundElementIndex: number): DebugElement[] {97 var els = [];98 var parentElementBinder = null;99 if (isPresent(parentBoundElementIndex)) {100 parentElementBinder = view.proto.elementBinders[parentBoundElementIndex - view.elementOffset];101 }102 for (var i = 0; i < view.proto.elementBinders.length; ++i) {103 var binder = view.proto.elementBinders[i];104 if (binder.parent == parentElementBinder) {105 els.push(new DebugElement(view, view.elementOffset + i));106 var views = view.viewContainers[view.elementOffset + i];107 if (isPresent(views)) {108 ListWrapper.forEach(views.views, (nextView) => {109 els = els.concat(this._getChildElements(nextView, null));110 });111 }112 }113 }114 return els;115 }116}117/**118 * Returns a DebugElement for a ElementRef.119 *120 * @param {ElementRef}: elementRef121 * @return {DebugElement}122 */123export function inspectElement(elementRef: ElementRef): DebugElement {124 return new DebugElement(internalView(elementRef.parentView), elementRef.boundElementIndex);125}126export function asNativeElements(arr: DebugElement[]): any[] {127 return arr.map((debugEl) => debugEl.nativeElement);128}129export class Scope {130 static all(debugElement: DebugElement): DebugElement[] {131 var scope = [];132 scope.push(debugElement);133 ListWrapper.forEach(debugElement.children,134 (child) => { scope = scope.concat(Scope.all(child)); });135 ListWrapper.forEach(debugElement.componentViewChildren,136 (child) => { scope = scope.concat(Scope.all(child)); });137 return scope;138 }139 static light(debugElement: DebugElement): DebugElement[] {140 var scope = [];141 ListWrapper.forEach(debugElement.children, (child) => {142 scope.push(child);143 scope = scope.concat(Scope.light(child));144 });145 return scope;146 }147 static view(debugElement: DebugElement): DebugElement[] {148 var scope = [];149 ListWrapper.forEach(debugElement.componentViewChildren, (child) => {150 scope.push(child);151 scope = scope.concat(Scope.light(child));152 });153 return scope;154 }155}156export class By {157 static all(): Function { return (debugElement) => true; }158 static css(selector: string): Predicate<DebugElement> {159 return (debugElement) => {160 return isPresent(debugElement.nativeElement) ?161 DOM.elementMatches(debugElement.nativeElement, selector) :162 false;163 };164 }165 static directive(type: Type): Predicate<DebugElement> {166 return (debugElement) => { return debugElement.hasDirective(type); };167 }...

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chapter-01.component.spec.ts

Source:chapter-01.component.spec.ts Github

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1import { async, ComponentFixture, TestBed } from '@angular/core/testing';2import { Chapter01Component } from './chapter-01.component';3import { ReactiveFormsModule } from '@angular/forms';4import { DebugElement } from '@angular/core';5import { By } from '@angular/platform-browser';6function changeTextValue(input: DebugElement, value: string): void {7 input.nativeElement.value = value;8 input.triggerEventHandler('input', { target: { value } });9}10function changeRadioButtonValue(inputs: Array<DebugElement>, value: string): void {11 const input: DebugElement = inputs12 .filter((field: DebugElement) => field.nativeElement.value === value)13 .reduce((acc: DebugElement, field: DebugElement) => field, null);14 if (input) {15 input.nativeElement.click();16 }17}18function changeCheckboxStatus(input: DebugElement, checked: boolean): void {19 input.nativeElement.checked = checked;20 input.nativeElement.dispatchEvent(new Event('change'));21}22function changeSelectValue(input: DebugElement, value: string): void {23 input.nativeElement.selectedIndex = input.nativeElement.selectedIndex = input.queryAll(By.css('option'))24 .findIndex((option: DebugElement) => option.nativeElement.value === value);25 input.nativeElement.dispatchEvent(new Event('change'));26}27function submitFormByClick(button: DebugElement): void {28 button.nativeElement.click();29}30describe('Chapter01Component', () => {31 let component: Chapter01Component;32 let fixture: ComponentFixture<Chapter01Component>;33 const mockedData: any = {34 name: 'John Smith',35 email: 'john.smith@mail.com',36 issue: '0',37 agreements: {38 newsletter: true,39 rules: true40 },41 steps: [42 'step 1', 'step 2', 'step 3', 'step 4'43 ],44 description: 'Lorem ipsum dolor sit amet, consectetur adipiscing elit'45 };46 beforeEach(async(() => {47 TestBed.configureTestingModule({48 imports: [ ReactiveFormsModule ],49 declarations: [ Chapter01Component ]50 })51 .compileComponents();52 }));53 beforeEach(() => {54 fixture = TestBed.createComponent(Chapter01Component);55 component = fixture.componentInstance;56 fixture.detectChanges();57 });58 it('should create', () => {59 expect(component).toBeTruthy();60 });61 describe('when user complete form and click send button', () => {62 let submitMethod;63 beforeEach(() => {64 submitMethod = spyOn(component, 'submit');65 changeTextValue(fixture.debugElement.query(By.css('input[formControlName="name"]')), mockedData.name);66 changeTextValue(fixture.debugElement.query(By.css('input[formControlName="email"]')), mockedData.email);67 changeSelectValue(fixture.debugElement.query(By.css('select[formControlName="issue"]')), mockedData.issue);68 changeCheckboxStatus(69 fixture.debugElement.query(By.css('input[formControlName="newsletter"]')),70 mockedData.agreements.newsletter71 );72 changeCheckboxStatus(73 fixture.debugElement.query(By.css('input[formControlName="rules"]')),74 mockedData.agreements.rules75 );76 mockedData.steps.forEach((value: string, key: number) => {77 changeTextValue(78 fixture.debugElement.queryAll(By.css('div[formArrayName="steps"] .step'))[key],79 mockedData.steps[key]80 );81 });82 changeTextValue(83 fixture.debugElement.query(By.css('textarea[formControlName="description"]')),84 mockedData.description85 );86 submitFormByClick(fixture.debugElement.query(By.css('.submit')));87 fixture.detectChanges();88 });89 it('should call submit method with data', () => {90 expect(submitMethod).toHaveBeenCalledWith(mockedData);91 });92 });93 describe('when user click "Set form values" button', () => {94 beforeEach(() => {95 fixture.debugElement.query(By.css('.set-values')).nativeElement.click();96 fixture.detectChanges();97 });98 it('should be set the form values', () => {99 expect(component.form.value).toEqual(mockedData);100 });101 });102 describe('when user click "Set name and email values" button', () => {103 beforeEach(() => {104 fixture.debugElement.query(By.css('.set-name-email-values')).nativeElement.click();105 fixture.detectChanges();106 });107 it('should be set name and email values', () => {108 expect(component.form.value).toEqual({109 name: 'John Smith',110 email: 'john.smith@mail.com',111 issue: '',112 agreements: {113 newsletter: false,114 rules: false115 },116 steps: [ '', '', '', '' ],117 description: ''118 });119 });120 });...

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chapter-02.component.spec.ts

Source:chapter-02.component.spec.ts Github

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1import { async, ComponentFixture, TestBed } from '@angular/core/testing';2import { Chapter02Component } from './chapter-02.component';3import { DebugElement } from '@angular/core';4import { By } from '@angular/platform-browser';5import { ReactiveFormsModule } from '@angular/forms';6function changeTextValue(input: DebugElement, value: string): void {7 input.nativeElement.value = value;8 input.triggerEventHandler('input', { target: { value } });9}10function changeRadioButtonValue(inputs: Array<DebugElement>, value: string): void {11 const input: DebugElement = inputs12 .filter((field: DebugElement) => field.nativeElement.value === value)13 .reduce((acc: DebugElement, field: DebugElement) => field, null);14 if (input) {15 input.nativeElement.click();16 }17}18function changeCheckboxStatus(input: DebugElement, checked: boolean): void {19 input.nativeElement.checked = checked;20 input.nativeElement.dispatchEvent(new Event('change'));21}22function changeSelectValue(input: DebugElement, value: string): void {23 input.nativeElement.selectedIndex = input.nativeElement.selectedIndex = input.queryAll(By.css('option'))24 .findIndex((option: DebugElement) => option.nativeElement.value === value);25 input.nativeElement.dispatchEvent(new Event('change'));26}27function submitFormByClick(button: DebugElement): void {28 button.nativeElement.click();29}30describe('Chapter02Component', () => {31 let component: Chapter02Component;32 let fixture: ComponentFixture<Chapter02Component>;33 const mockedData: any = {34 name: 'John Smith',35 email: 'john.smith@mail.com',36 issue: '0',37 agreements: {38 newsletter: true,39 rules: true40 },41 steps: [42 'step 1', 'step 2', 'step 3', 'step 4'43 ],44 description: 'Lorem ipsum dolor sit amet, consectetur adipiscing elit'45 };46 beforeEach(async(() => {47 TestBed.configureTestingModule({48 imports: [ ReactiveFormsModule ],49 declarations: [ Chapter02Component ]50 })51 .compileComponents();52 }));53 beforeEach(() => {54 fixture = TestBed.createComponent(Chapter02Component);55 component = fixture.componentInstance;56 fixture.detectChanges();57 });58 it('should create', () => {59 expect(component).toBeTruthy();60 });61 describe('when user complete form and click send button', () => {62 let submitMethod;63 beforeEach(() => {64 submitMethod = spyOn(component, 'submit');65 changeTextValue(fixture.debugElement.query(By.css('input[formControlName="name"]')), mockedData.name);66 changeTextValue(fixture.debugElement.query(By.css('input[formControlName="email"]')), mockedData.email);67 changeSelectValue(fixture.debugElement.query(By.css('select[formControlName="issue"]')), mockedData.issue);68 changeCheckboxStatus(69 fixture.debugElement.query(By.css('input[formControlName="newsletter"]')),70 mockedData.agreements.newsletter71 );72 changeCheckboxStatus(73 fixture.debugElement.query(By.css('input[formControlName="rules"]')),74 mockedData.agreements.rules75 );76 mockedData.steps.forEach((value: string, key: number) => {77 changeTextValue(78 fixture.debugElement.queryAll(By.css('div[formArrayName="steps"] .step'))[key],79 mockedData.steps[key]80 );81 });82 changeTextValue(83 fixture.debugElement.query(By.css('textarea[formControlName="description"]')),84 mockedData.description85 );86 fixture.detectChanges();87 submitFormByClick(fixture.debugElement.query(By.css('.submit')));88 });89 it('should call submit method with data', () => {90 expect(submitMethod).toHaveBeenCalledWith(mockedData);91 });92 });93 describe('when user don\'t complete form', () => {94 let submitMethod;95 beforeEach(() => {96 submitMethod = spyOn(component, 'submit');97 submitFormByClick(fixture.debugElement.query(By.css('.submit')));98 fixture.detectChanges();99 });100 it('should be disable send button', () => {101 expect(submitMethod).not.toHaveBeenCalled();102 });103 it('should be display errors', () => {104 expect(fixture.debugElement.queryAll(By.css('.alert-danger')).length).toBe(10);105 });106 });...

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1import { DebugElement } from '@angular/core';2import { ComponentFixture, TestBed } from '@angular/core/testing';3import { By } from '@angular/platform-browser';4import { MockBuilder, MockRender } from 'ng-mocks';5import { AppComponent } from './app.component';6import { AppModule } from './app.module';7describe('AppComponent', () => {8 let fixture: ComponentFixture<AppComponent>;9 let component: AppComponent;10 let debugElement: DebugElement;11 beforeEach(() => MockBuilder(AppComponent, AppModule));12 beforeEach(() => {13 fixture = MockRender(AppComponent);14 component = fixture.componentInstance;15 debugElement = fixture.debugElement;16 });17 it('should create the app', () => {18 expect(component).toBeTruthy();19 });20 it(`should have as title 'app'`, () => {21 expect(component.title).toEqual('app');22 });23 it('should render title in a h1 tag', () => {24 const h1 = debugElement.query(By.css('h1'));25 expect(h1.nativeElement.textContent).toContain('Welcome to app!');26 });27});28import { NgModule } from '@angular/core';29import { BrowserModule } from '@angular/platform-browser';30import { AppComponent } from './app.component';31@NgModule({32 imports: [BrowserModule],33})34export class AppModule {}35import { Component } from '@angular/core';36@Component({37 <h1>Welcome to {{ title }}!</h1>38})39export class AppComponent {40 title = 'app';41}42<h1>Welcome to {{ title }}!</h1>43import { ComponentFixture, TestBed } from '@angular/core/testing';44import { AppComponent } from './app.component';45describe('AppComponent', () => {46 let fixture: ComponentFixture<AppComponent>;47 let component: AppComponent;48 beforeEach(async () => {49 await TestBed.configureTestingModule({50 }).compileComponents();51 fixture = TestBed.createComponent(AppComponent);52 component = fixture.componentInstance;53 fixture.detectChanges();54 });55 it('should create the app', () => {56 expect(component).toBeTruthy();57 });58 it(`should have as title '

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Using AI Code Generation

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1import { DebugElement } from '@angular/core';2import { async, ComponentFixture, TestBed } from '@angular/core/testing';3import { By } from '@angular/platform-browser';4import { MockComponent } from 'ng-mocks';5import { AppComponent } from './app.component';6import { ChildComponent } from './child/child.component';7describe('AppComponent', () => {8 let component: AppComponent;9 let fixture: ComponentFixture<AppComponent>;10 let debugElement: DebugElement;11 beforeEach(async(() => {12 TestBed.configureTestingModule({13 MockComponent(ChildComponent)14 })15 .compileComponents();16 }));17 beforeEach(() => {18 fixture = TestBed.createComponent(AppComponent);19 component = fixture.componentInstance;20 debugElement = fixture.debugElement;21 fixture.detectChanges();22 });23 it('should create', () => {24 expect(component).toBeTruthy();25 });26 it('should display Child Component', () => {27 const childComponent = debugElement.query(By.css('app-child'));28 expect(childComponent).toBeTruthy();29 });30});

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Using AI Code Generation

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1import { DebugElement } from '@angular/core';2import { By } from '@angular/platform-browser';3import { MockRender, ngMocks } from 'ng-mocks';4describe('test', () => {5 beforeEach(() => MockRender('<div>Test</div>'));6 it('should work', () => {7 const debugElement: DebugElement = ngMocks.find('div');8 expect(debugElement).toBeDefined();9 expect(debugElement.nativeElement.textContent).toEqual('Test');10 });11 it('should work with by', () => {12 const debugElement: DebugElement = ngMocks.find(By.css('div'));13 expect(debugElement).toBeDefined();14 expect(debugElement.nativeElement.textContent).toEqual('Test');15 });16});17import { DebugElement } from '@angular/core';18import { By } from '@angular/platform-browser';19import { MockRender, ngMocks } from 'ng-mocks';20describe('test', () => {21 beforeEach(() => MockRender('<div>Test</div>'));22 it('should work', () => {23 const debugElement: DebugElement = ngMocks.find('div');24 expect(debugElement).toBeDefined();25 expect(debugElement.nativeElement.textContent).toEqual('Test');26 });27 it('should work with by', () => {28 const debugElement: DebugElement = ngMocks.find(By.css('div'));29 expect(debugElement).toBeDefined();30 expect(debugElement.nativeElement.textContent).toEqual('Test');31 });32});33import { DebugElement } from '@angular/core';34import { By } from '@angular/platform-browser';35import { MockRender, ngMocks } from 'ng-mocks';36describe('test', () => {37 beforeEach(() => MockRender('<div>Test</div>'));38 it('should work', () => {39 const debugElement: DebugElement = ngMocks.find('div');40 expect(debugElement).toBeDefined();41 expect(debugElement.nativeElement.textContent).toEqual('Test');42 });43 it('should work with by', () => {44 const debugElement: DebugElement = ngMocks.find(By.css('div'));45 expect(debugElement).toBeDefined();46 expect(debugElement.nativeElement.textContent).toEqual('Test');47 });48});49import { DebugElement } from

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Using AI Code Generation

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1import { debugElement } from 'ng-mocks';2import { By } from '@angular/platform-browser';3describe('AppComponent', () => {4 let fixture: ComponentFixture<AppComponent>;5 let component: AppComponent;6 beforeEach(async(() => {7 TestBed.configureTestingModule({8 }).compileComponents();9 fixture = TestBed.createComponent(AppComponent);10 component = fixture.componentInstance;11 }));12 it('should create the app', () => {13 expect(component).toBeTruthy();14 });15 it('should have a title', () => {16 expect(component.title).toEqual('app');17 });18 it('should render title in a h1 tag', () => {19 const title = debugElement(fixture, 'h1').nativeElement;20 expect(title.textContent).toContain('Welcome to app!');21 });22});23<h1> Welcome to {{title}}! </h1>24import { MockBuilder } from 'ng-mocks';25import { AppComponent } from './app.component';26import { MockedComponent } from 'ng-mocks/dist/lib/mock-builder/mock';27import { DataService } from './data.service';28describe('AppComponent', () => {29 let component: AppComponent;30 let fixture: ComponentFixture<AppComponent>;31 let dataService: DataService;32 beforeEach(async(() => {33 MockBuilder(AppComponent, DataService)34 .mock(DataService, {35 get: () => 'Mock Data'36 });37 }));38 beforeEach(() => {

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Using AI Code Generation

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1import { MockBuilder, MockRender } from 'ng-mocks';2import { ComponentFixture, TestBed } from '@angular/core/testing';3describe('test', () => {4 let fixture: ComponentFixture<any>;5 beforeEach(() => {6 MockBuilder();7 fixture = MockRender();8 });9 it('test', () => {10 const debugElement = fixture.debugElement;11 });12});13import { MockBuilder, MockRender } from 'ng-mocks';14import { ComponentFixture, TestBed } from '@angular/core/testing';15describe('test', () => {16 let fixture: ComponentFixture<any>;17 beforeEach(() => {18 MockBuilder();19 fixture = MockRender();20 });21 it('test', () => {22 const debugElement = fixture.debugElement;23 });24});25import { DebugElement } from '@angular/core';26import { DebugElement } from '@angular/core';27describe('test', () => {28 let fixture: ComponentFixture<any>;29 beforeEach(() => {30 MockBuilder();31 fixture = MockRender();32 });33 it('test', () => {34 const debugElement = fixture.debugElement;35 });36});

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Using AI Code Generation

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1import { MockRender } from 'ng-mocks';2import { render } from '@testing-library/angular';3describe('MockRender', () => {4 it('should render', () => {5 const component = MockRender(MyComponent);6 const debugElement = component.debugElement;7 });8});9describe('@testing-library/angular', () => {10 it('should render', async () => {11 const { debugElement } = await render(MyComponent);12 });13});

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Using AI Code Generation

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1describe('test', () => {2 it('should test', () => {3 const fixture = MockRender(`4 `);5 const debugElement = MockRender.debugElement(fixture);6 const component = debugElement.query(By.directive(SomeComponent));7 expect(component).toBeDefined();8 });9});10import { Component } from '@angular/core';11@Component({12})13export class SomeComponent {}14import { SomeComponent } from './some-component.component';15import { MockRender } from 'ng-mocks';16describe('SomeComponent', () => {17 it('should test', () => {18 const fixture = MockRender(SomeComponent);19 const debugElement = MockRender.debugElement(fixture);20 const component = debugElement.query(By.directive(SomeComponent));21 expect(component).toBeDefined();22 });23});24import { SomeComponent } from './some-component.component';25import { MockRender } from 'ng-mocks';26describe('SomeComponent', () => {27 it('should test', () => {28 const fixture = MockRender(SomeComponent);29 const debugElement = MockRender.debugElement(fixture);30 const component = debugElement.query(By.directive(SomeComponent));31 expect(component).toBeDefined();32 });33});34import { SomeComponent } from './some-component.component';35import { MockRender } from 'ng-mocks';36describe('SomeComponent', () => {37 it('should test', () => {38 const fixture = MockRender(SomeComponent);39 const debugElement = MockRender.debugElement(fixture);40 const component = debugElement.query(By.directive(SomeComponent));41 expect(component).toBeDefined();42 });43});

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Using AI Code Generation

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1import { debugElement } from 'ng-mocks';2const element = debugElement(fixture, '.my-class');3import { debugElement } from 'ng-mocks';4const element = debugElement(fixture, '.my-class');5import { debugElement } from 'ng-mocks';6const element = debugElement(fixture, '.my-class');7import { debugElement } from 'ng-mocks';8const element = debugElement(fixture, '.my-class');9import { debugElement } from 'ng-mocks';10const element = debugElement(fixture, '.my-class');11import { debugElement } from 'ng-mocks';12const element = debugElement(fixture, '.my-class');

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