KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta Join TestMu Conference

How to use viewComponent method in ng-mocks

Best JavaScript code snippet using ng-mocks

storage-view.component.spec.ts

Source:storage-view.component.spec.ts

1import {HttpResponse} from "@angular/common/http";2import {HttpClientTestingModule, HttpTestingController} from "@angular/common/http/testing";3import {Component, DebugElement} from "@angular/core";4import {ComponentFixture, TestBed} from "@angular/core/testing";5import {MatIconModule} from "@angular/material/icon";6import {By} from "@angular/platform-browser";7import {empty, of} from "rxjs";8import {StorageViewComponent} from "./storage-view.component";9@Component({10  template: `11    <storage-view [blob]="blob"></storage-view>12  `13})14class TestCmp {15  blob: any;16}17function base64toBlob(data: string, type: string) {18  const encodedString = atob(data);19  const arrayBuffer = new ArrayBuffer(encodedString.length);20  const uintArray = new Uint8Array(arrayBuffer);21  for (let i = 0; i < encodedString.length; i++) {22    uintArray[i] = encodedString.charCodeAt(i);23  }24  return new Blob([arrayBuffer], {type});25}26describe("StorageViewComponent", () => {27  let fixture: ComponentFixture<TestCmp>;28  let viewComponent: Omit<DebugElement, "componentInstance"> & {29    componentInstance: StorageViewComponent;30  };31  beforeEach(() => {32    TestBed.configureTestingModule({33      imports: [HttpClientTestingModule, MatIconModule],34      declarations: [StorageViewComponent, TestCmp]35    });36    fixture = TestBed.createComponent(TestCmp);37    viewComponent = fixture.debugElement.query(By.directive(StorageViewComponent));38  });39  describe("with url", () => {40    let httpTestingController: HttpTestingController;41    let observeSpy: jasmine.Spy<any>;42    beforeEach(() => {43      httpTestingController = TestBed.get(HttpTestingController);44      observeSpy = spyOn(45        fixture.debugElement.query(By.directive(StorageViewComponent)).componentInstance,46        "observe"47      ).and.returnValue(of(true));48    });49    it("should handle loading errors from http", () => {50      fixture.componentInstance.blob = "http://example/test.png";51      fixture.detectChanges();52      const req = httpTestingController.expectOne("http://example/test.png");53      req.error(new ErrorEvent("Network error"));54      fixture.detectChanges();55      expect(viewComponent.query(By.css("div mat-icon")).nativeElement.textContent).toBe("error");56      expect(viewComponent.query(By.css("div h3")).nativeElement.textContent).toBe(57        "Could not load the object."58      );59      expect(viewComponent.query(By.css("div small")).nativeElement.textContent).toBe(60        "Network error"61      );62      fixture.componentInstance.blob = "http://example/test1.png";63    });64    it("should reset previous error state", () => {65      fixture.componentInstance.blob = "http://example/test.png";66      fixture.detectChanges();67      const req = httpTestingController.expectOne("http://example/test.png");68      req.error(new ErrorEvent("Network error"));69      expect(viewComponent.componentInstance.error).toBeTruthy();70      fixture.componentInstance.blob = "http://example/test1.png";71      fixture.detectChanges();72      expect(viewComponent.componentInstance.error).not.toBeTruthy();73    });74    it("should not defer loading", () => {75      fixture.componentInstance.blob = "http://example/test.png";76      fixture.detectChanges();77      expect(observeSpy).toHaveBeenCalledTimes(1);78      httpTestingController.expectOne("http://example/test.png");79    });80    it("should defer loading", () => {81      observeSpy.and.returnValue(empty());82      fixture.componentInstance.blob = "http://example/test.png";83      fixture.detectChanges();84      expect(observeSpy).toHaveBeenCalledTimes(1);85      httpTestingController.verify();86    });87    /**88     Error: Expected false to be true.89      at <Jasmine>90      at http://localhost:9876/_karma_webpack_/src/storage/components/storage-view/storage-view.component.spec.ts:129:5591      at ZoneDelegate.invokeTask (http://localhost:9876/spica/node_modules/zone.js/dist/zone-evergreen.js:399:1)92      at ProxyZoneSpec.push.../../node_modules/zone.js/dist/zone-testing.js.ProxyZoneSpec.onInvokeTask (http://localhost:9876/spica/node_modules/zone.js/dist/zone-testing.js:323:1)93    */94    xit("should show images", done => {95      fixture.componentInstance.blob = "http://example/test.png";96      fixture.detectChanges();97      fixture.detectChanges();98      expect(viewComponent.componentInstance.ready).toBe(false);99      const req = httpTestingController.expectOne("http://example/test.png");100      req.flush(101        base64toBlob(102          "iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNk+A8AAQUBAScY42YAAAAASUVORK5CYII=",103          "image/png"104        )105      );106      fixture.detectChanges();107      expect(viewComponent.componentInstance.ready).toBe(false);108      expect(viewComponent.componentInstance.contentType).toBe("image/png");109      expect(viewComponent.query(By.css("img")).nativeElement.src).toBeTruthy();110      setTimeout(() => {111        expect(viewComponent.componentInstance.ready).toBe(true);112        done();113      }, 10);114    });115    xit("should show videos", () => {116      fixture.componentInstance.blob = "http://example/test.mp4";117      fixture.detectChanges();118      expect(viewComponent.componentInstance.ready).toBe(false);119      const req = httpTestingController.expectOne("http://example/test.mp4");120      req.event(121        new HttpResponse({122          body: new Blob([], {type: "video/mp4"}),123          status: 200,124          statusText: "OK"125        })126      );127      fixture.detectChanges();128      expect(viewComponent.componentInstance.contentType).toBe("video/mp4");129      expect(viewComponent.query(By.css("video source")).nativeElement.src).toBeTruthy();130      expect(viewComponent.componentInstance.ready).toBe(true);131    });132    it("should not show other types", () => {133      fixture.componentInstance.blob = "http://example/test.json";134      fixture.detectChanges();135      expect(viewComponent.componentInstance.ready).toBe(false);136      const req = httpTestingController.expectOne("http://example/test.json");137      req.event(138        new HttpResponse({139          body: new Blob([], {type: "application/json"}),140          status: 200,141          statusText: "OK"142        })143      );144      fixture.detectChanges();145      expect(viewComponent.componentInstance.contentType).toBe("application/json");146      expect(viewComponent.componentInstance.ready).toBe(true);147      expect(viewComponent.query(By.css("mat-icon")).nativeElement.textContent).toBe("warning");148      expect(viewComponent.query(By.css("h3")).nativeElement.textContent).toBe(149        "This object cannot be viewed."150      );151    });152  });153  describe("with blob", () => {154    it("should show images", done => {155      expect(viewComponent.componentInstance.ready).toBe(false);156      fixture.componentInstance.blob = base64toBlob(157        "iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNk+A8AAQUBAScY42YAAAAASUVORK5CYII=",158        "image/png"159      );160      fixture.detectChanges();161      expect(viewComponent.componentInstance.ready).toBe(false);162      expect(viewComponent.componentInstance.contentType).toBe("image/png");163      setTimeout(() => {164        expect(viewComponent.componentInstance.ready).toBe(true);165        done();166      }, 100);167    });168    xit("should show videos", () => {169      fixture.componentInstance.blob = new Blob(["1"], {type: "video/mp4"});170      fixture.detectChanges();171      expect(viewComponent.componentInstance.contentType).toBe("video/mp4");172      expect(viewComponent.componentInstance.ready).toBe(false);173    });174    it("should not show other types", () => {175      fixture.componentInstance.blob = new Blob([], {type: "application/json"});176      fixture.detectChanges();177      expect(viewComponent.componentInstance.contentType).toBe("application/json");178      expect(viewComponent.componentInstance.ready).toBe(true);179    });180  });181  describe("with storage object", () => {182    it("should show images", () => {183      fixture.componentInstance.blob = {184        url: "http://example/test.png",185        content: {186          type: "image/png"187        }188      };189      fixture.detectChanges();190      expect(viewComponent.componentInstance.contentType).toBe("image/png");191      expect(viewComponent.componentInstance.ready).toBe(false);192    });193    xit("should show videos", () => {194      fixture.componentInstance.blob = {195        url: "http://example/test.mp4",196        content: {197          type: "video/mp4"198        }199      };200      fixture.detectChanges();201      expect(viewComponent.componentInstance.contentType).toBe("video/mp4");202      expect(viewComponent.componentInstance.ready).toBe(false);203    });204    it("should not show other types", () => {205      fixture.componentInstance.blob = {206        url: "http://example/test.json",207        content: {208          type: "application/json"209        }210      };211      fixture.detectChanges();212      expect(viewComponent.componentInstance.contentType).toBe("application/json");213      expect(viewComponent.componentInstance.ready).toBe(true);214    });215  });...

view.component.spec.ts

Source:view.component.spec.ts

1import { ComponentFixture, TestBed } from '@angular/core/testing';2import { ViewComponent } from './view.component';3describe('ViewComponent', () => {4  let component: ViewComponent;5  let fixture: ComponentFixture<ViewComponent>;6  beforeEach(async () => {7    await TestBed.configureTestingModule({8      declarations: [ ViewComponent ]9    })10    .compileComponents();11  });12  beforeEach(() => {13    fixture = TestBed.createComponent(ViewComponent);14    component = fixture.componentInstance;15    fixture.detectChanges();16  });17  it('should create', () => {18    expect(component).toBeTruthy();19  });...

Using AI Code Generation

1import { viewComponent } from 'ng-mocks';2import { MyComponent } from './my.component';3describe('MyComponent', () => {4  it('should render', () => {5    const component = viewComponent(MyComponent);6    expect(component).toBeDefined();7  });8});

Using AI Code Generation

1import { viewComponent } from 'ng-mocks'; 2describe('AppComponent', () => {3  let component: AppComponent;4  let fixture: ComponentFixture<AppComponent>;5  beforeEach(async(() => {6    TestBed.configureTestingModule({7        viewComponent({8        }),9        viewComponent({10        }),11    }).compileComponents();12  }));13  beforeEach(() => {14    fixture = TestBed.createComponent(AppComponent);15    component = fixture.componentInstance;16    fixture.detectChanges();17  });18  it('should create the app', () => {19    expect(component).toBeTruthy();20  });21  it(`should have as title 'app'`, () => {22    expect(component.title).toEqual('app');23  });24  it('should render title in a h1 tag', () => {25    const compiled = fixture.debugElement.nativeElement;26    expect(compiled.querySelector('h1').textContent).toContain(27    );28  });29});30import { Component } from '@angular/core';31@Component({32})33export class AppComponent {34  title = 'app';35}36<h1>Welcome to {{ title }}!</h1>37import { viewChild } from 'ng-mocks';38import { AppComponent } from './app.component';39describe('AppComponent', () => {40  let component: AppComponent;41  let fixture: ComponentFixture<AppComponent>;42  beforeEach(async(() => {43    TestBed.configureTestingModule({

Using AI Code Generation

1describe('TestComponent', () => {2  let component: TestComponent;3  let fixture: ComponentFixture<TestComponent>;4  beforeEach(async(() => {5    TestBed.configureTestingModule({6      imports: [CommonModule, FormsModule, ReactiveFormsModule, NgxMaskModule.forRoot()],7      providers: [FormBuilder, { provide: MatDialog, useValue: mockDialog }]8    })9      .compileComponents();10  }));11  beforeEach(() => {12    fixture = TestBed.createComponent(TestComponent);13    component = fixture.componentInstance;14    fixture.detectChanges();15  });16  it('should create', () => {17    expect(component).toBeTruthy();18  });19  it('should call openDialog', () => {20    const spy = spyOn(component, 'openDialog');21    component.openDialog();22    expect(spy).toHaveBeenCalled();23  });24  it('should call openDialog', () => {25    const spy = spyOn(component, 'openDialog');26    component.openDialog();27    expect(spy).toHaveBeenCalled();28  });29  it('should call openDialog', () => {30    const spy = spyOn(component, 'openDialog');31    component.openDialog();32    expect(spy).toHaveBeenCalled();33  });34  it('should call openDialog', () => {35    const spy = spyOn(component, 'openDialog');36    component.openDialog();37    expect(spy).toHaveBeenCalled();38  });39  it('should call openDialog', () => {40    const spy = spyOn(component, 'openDialog');41    component.openDialog();42    expect(spy).toHaveBeenCalled();43  });44  it('should call openDialog', () => {45    const spy = spyOn(component, 'openDialog');46    component.openDialog();47    expect(spy).toHaveBeenCalled();48  });49  it('should call openDialog', () => {50    const spy = spyOn(component, 'openDialog');51    component.openDialog();52    expect(spy).toHaveBeenCalled();53  });54  it('should call openDialog', () => {55    const spy = spyOn(component, 'openDialog');56    component.openDialog();57    expect(spy).toHaveBeenCalled();58  });59  it('should call openDialog', () => {60    const spy = spyOn(component, 'openDialog');61    component.openDialog();62    expect(spy).toHaveBeenCalled();63  });64  it('should call openDialog', () => {65    const spy = spyOn(component, 'openDialog');66    component.openDialog();67    expect(spy).toHaveBeenCalled();68  });69  it('should call openDialog', () => {

Using AI Code Generation

1import { viewComponent } from 'ng-mocks';2import { MyComponent } from './my.component';3describe('MyComponent', () => {4  it('should have a title', () => {5    const component = viewComponent(MyComponent);6    expect(component.title).toEqual('MyComponent');7  });8});9import { Component } from '@angular/core';10@Component({11})12export class MyComponent {13  title = 'MyComponent';14}15import { viewChild } from 'ng-mocks';16import { MyComponent } from './my.component';17describe('MyComponent', () => {18  it('should have a title', () => {19    const component = viewChild(MyComponent);20    expect(component.nativeElement.textContent).toEqual('MyComponent');21  });22});23import { Component } from '@angular/core';24@Component({25})26export class MyComponent {27  title = 'MyComponent';28}29import { viewChild } from 'ng-mocks';30import { MyComponent } from './my.component';31import { MyChildComponent } from './my-child.component';32describe('MyComponent', () => {33  it('should have a title', () => {34    const component = viewChild(MyComponent);35    const childComponent = viewChild(component, MyChildComponent);36    expect(childComponent.nativeElement.textContent).toEqual('MyComponent');37  });38});39import { Component } from '@angular/core';40@Component({41})42export class MyComponent {43  title = 'MyComponent';44}45import { Component } from '@angular/core';46@Component({

Using AI Code Generation

1import { viewComponent } from 'ng-mocks';2import { AppComponent } from './app.component';3describe('AppComponent', () => {4  it('should create the app', () => {5    const fixture = viewComponent(AppComponent);6    const app = fixture.debugElement.componentInstance;7    expect(app).toBeTruthy();8  });9});10import { mockComponent } from 'ng-mocks';11import { AppComponent } from './app.component';12describe('AppComponent', () => {13  it('should create the app', () => {14    const fixture = mockComponent(AppComponent);15    const app = fixture.debugElement.componentInstance;16    expect(app).toBeTruthy();17  });18});19import { mockComponent } from 'ng-mocks';20import { AppComponent } from './app.component';21describe('AppComponent', () => {22  it('should create the app', () => {23    const fixture = mockComponent(AppComponent);24    const app = fixture.debugElement.componentInstance;25    expect(app).toBeTruthy();26  });27});

Using AI Code Generation

1import { viewComponent } from 'ng-mocks';2import { Component } from '@angular/core';3import { viewChild } from 'ng-mocks';4import { ViewChild } from '@angular/core';5import { viewChildren } from 'ng-mocks';6import { ViewChildren } from '@angular/core';7import { viewDirective } from 'ng-mocks';8import { Directive } from '@angular/core';9import { viewPipe } from 'ng-mocks';10import { Pipe } from '@angular/core';11@Component({12  template: 'Hello {{ name }}',13})14class TestComponent {15  public name = 'World';16}17@Component({18  template: 'Hello {{ name }}',19})20class TestComponent2 {21  public name = 'World';22}23@Component({24  template: 'Hello {{ name }}',25})26class TestComponent3 {27  public name = 'World';28}29@Component({30  template: 'Hello {{ name }}',31})32class TestComponent4 {33  public name = 'World';34}35@Component({36  template: 'Hello {{ name }}',37})38class TestComponent5 {39  public name = 'World';40}41@Component({42  template: 'Hello {{ name }}',43})44class TestComponent6 {45  public name = 'World';46}47@Component({48  template: 'Hello {{ name }}',49})50class TestComponent7 {51  public name = 'World';52}53@Component({54  template: 'Hello {{ name }}',55})56class TestComponent8 {57  public name = 'World';58}59@Component({60  template: 'Hello {{ name }}',61})62class TestComponent9 {63  public name = 'World';64}65@Component({66  template: 'Hello {{ name }}',67})68class TestComponent10 {69  public name = 'World';70}71@Component({72  template: 'Hello {{ name }}',73})74class TestComponent11 {75  public name = 'World';76}77@Component({78  template: 'Hello {{ name }}',79})80class TestComponent12 {81  public name = 'World';82}83@Component({84  template: 'Hello {{ name }}',85})86class TestComponent13 {87  public name = 'World';88}89@Component({90  template: 'Hello {{ name }}',91})92class TestComponent14 {93  public name = 'World';94}

Using AI Code Generation

1import { MockBuilder, MockRender } from 'ng-mocks';2import { AppComponent } from '../app.component';3import { AppModule } from '../app.module';4import { DataService } from '../data.service';5describe('AppComponent', () => {6  beforeEach(() => MockBuilder(AppComponent, AppModule));7  it('should create the app', () => {8    const fixture = MockRender(AppComponent);9    const app = fixture.point.componentInstance;10    expect(app).toBeTruthy();11  });12  it('should render title', () => {13    const fixture = MockRender(AppComponent);14    fixture.detectChanges();15    const compiled = fixture.nativeElement;16    expect(compiled.querySelector('h1').textContent).toContain(17    );18  });19  it('should render title', () => {20    const fixture = MockRender(AppComponent);21    fixture.detectChanges();22    const compiled = fixture.nativeElement;23    expect(compiled.querySelector('h1').textContent).toContain(24    );25  });26  it('should render title', () => {27    const fixture = MockRender(AppComponent);28    fixture.detectChanges();29    const compiled = fixture.nativeElement;30    expect(compiled.querySelector('h1').textContent).toContain(31    );32  });33  it('should render title', () => {34    const fixture = MockRender(AppComponent);35    fixture.detectChanges();36    const compiled = fixture.nativeElement;37    expect(compiled.querySelector('h1').textContent).toContain(38    );39  });40  it('should render title', () => {41    const fixture = MockRender(AppComponent);42    fixture.detectChanges();43    const compiled = fixture.nativeElement;44    expect(compiled.querySelector('h1').textContent).toContain(45    );46  });47  it('should render title', () => {48    const fixture = MockRender(AppComponent);49    fixture.detectChanges();50    const compiled = fixture.nativeElement;51    expect(compiled.querySelector('h1').textContent).toContain(52    );53  });54  it('should render title', () => {55    const fixture = MockRender(AppComponent);56    fixture.detectChanges();57    const compiled = fixture.nativeElement;58    expect(compiled.querySelector('h1').textContent).toContain(59    );60  });61  it('should render title', () => {62    const fixture = MockRender(AppComponent);63    fixture.detectChanges();

Using AI Code Generation

1const component = viewComponent(MyComponent);2const childComponent = viewChild(MyChildComponent);3const component = viewComponent(MyComponent);4const childComponent = viewChild(MyChildComponent);5const component = viewComponent(MyComponent);6const childComponent = viewChild(MyChildComponent);7const component = viewComponent(MyComponent);8const childComponent = viewChild(MyChildComponent);9const component = viewComponent(MyComponent);10const childComponent = viewChild(MyChildComponent);11const component = viewComponent(MyComponent);12const childComponent = viewChild(MyChildComponent);13const component = viewComponent(MyComponent);14const childComponent = viewChild(MyChildComponent);15const component = viewComponent(MyComponent);16const childComponent = viewChild(MyChildComponent);17const component = viewComponent(MyComponent);18const childComponent = viewChild(MyChildComponent);19const component = viewComponent(MyComponent);20const childComponent = viewChild(MyChildComponent);21const component = viewComponent(MyComponent);

Using AI Code Generation

1const myComponentInstance = ngMocks.findInstance(MyComponent);2const myComponentVariable = myComponentInstance.myVar;3const myComponentInstance = ngMocks.findInstance(MyComponent);4const myComponentVariable = myComponentInstance.myVar;5const myComponentInstance = ngMocks.findInstance(MyComponent);6const myComponentVariable = myComponentInstance.myVar;7const myComponentInstance = ngMocks.findInstance(MyComponent);8const myComponentVariable = myComponentInstance.myVar;9const myComponentInstance = ngMocks.findInstance(MyComponent);10const myComponentVariable = myComponentInstance.myVar;11const myComponentInstance = ngMocks.findInstance(MyComponent);12const myComponentVariable = myComponentInstance.myVar;13const myComponentInstance = ngMocks.findInstance(MyComponent);14const myComponentVariable = myComponentInstance.myVar;15const myComponentInstance = ngMocks.findInstance(MyComponent);

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.