How to use TOKEN_CLASS_KEEP method in ng-mocks

Best JavaScript code snippet using ng-mocks

test.spec.ts

Source:test.spec.ts

1import { Injectable, InjectionToken, NgModule } from '@angular/core';2import { MockBuilder, ngMocks } from 'ng-mocks';3@Injectable()4class Class1Service {5  public constructor(public readonly name: string) {}6}7@Injectable()8class Class2Service {9  public readonly name = 'class2';10}11const TOKEN_CLASS_MOCK = new InjectionToken('MOCK');12const TOKEN_CLASS_KEEP = new InjectionToken('KEEP');13@NgModule({14  providers: [15    {16      provide: 'name',17      useValue: 'useValue',18    },19    {20      deps: ['name'],21      provide: Class1Service,22      useClass: Class1Service,23    },24    Class2Service,25    {26      deps: ['name'],27      provide: TOKEN_CLASS_MOCK,28      useClass: Class1Service,29    },30    {31      deps: ['name'],32      provide: TOKEN_CLASS_KEEP,33      useClass: Class2Service,34    },35  ],36})37class TargetModule {}38// fix for jest without jasmine assertions39const assertion: any =40  typeof jasmine === 'undefined' ? expect : jasmine;41// useClass ignores existing services with the same class name, but42// ng-mocks still detects whether the class should be replaced with a mock copy or not.43describe('tokens-class', () => {44  ngMocks.faster();45  beforeEach(() =>46    MockBuilder().mock(TargetModule).keep(Class2Service),47  );48  it('resolves Class1Service as a mock instance', () => {49    const actual = ngMocks.findInstance(Class1Service);50    expect(actual).toEqual(assertion.any(Class1Service));51    expect(actual.name).toBeUndefined();52  });53  it('resolves Class2Service as a real instance', () => {54    const actual = ngMocks.findInstance(Class2Service);55    expect(actual).toEqual(assertion.any(Class2Service));56    expect(actual.name).toEqual('class2');57  });58  it('resolves TOKEN_EXISTING_MOCK as a mock instance', () => {59    const actual = ngMocks.findInstance<any>(TOKEN_CLASS_MOCK);60    expect(actual).toEqual(assertion.any(Class1Service));61    expect(actual.name).toBeUndefined();62  });63  it('resolves TOKEN_EXISTING_KEEP as a real instance', () => {64    const actual = ngMocks.findInstance<any>(TOKEN_CLASS_KEEP);65    expect(actual).toEqual(assertion.any(Class2Service));66    expect(actual.name).toEqual('class2');67  });...

Using AI Code Generation

1import { TOKEN_CLASS_KEEP } from "ng-mocks";2import { MockBuilder, MockRender } from "ng-mocks";3import { AppComponent } from "./app.component";4describe("AppComponent", () => {5  beforeEach(() => MockBuilder(AppComponent).keep(TOKEN_CLASS_KEEP));6  it("should create the app", () => {7    const fixture = MockRender(AppComponent);8    const app = fixture.point.componentInstance;9    expect(app).toBeTruthy();10  });11});12import { TOKEN_CLASS_KEEP } from "ng-mocks";13import { MockBuilder, MockRender } from "ng-mocks";14import { AppComponent } from "./app.component";15describe("AppComponent", () => {16  beforeEach(() => MockBuilder(AppComponent).keep(TOKEN_CLASS_KEEP));17  it("should create the app", () => {18    const fixture = MockRender(AppComponent);19    const app = fixture.point.componentInstance;20    expect(app).toBeTruthy();21  });22});23import { TOKEN_CLASS_KEEP } from "ng-mocks";24import { MockBuilder, MockRender } from "ng-mocks";25import { AppComponent } from "./app.component";26describe("AppComponent", () => {27  beforeEach(() => MockBuilder(AppComponent).keep(TOKEN_CLASS_KEEP));28  it("should create the app", () => {29    const fixture = MockRender(AppComponent);30    const app = fixture.point.componentInstance;31    expect(app).toBeTruthy();32  });33});34import { TOKEN_CLASS_KEEP } from "ng-mocks";35import { MockBuilder, MockRender } from "ng-mocks";36import { AppComponent } from "./app.component";37describe("AppComponent", () => {38  beforeEach(() => MockBuilder(AppComponent).keep(TOKEN_CLASS_KEEP));39  it("should create the app", () => {

Using AI Code Generation

1import { TOKEN_CLASS_KEEP } from 'ng-mocks';2import { Injectable } from '@angular/core';3@Injectable()4export class TestService {5  constructor(private classKeep: TOKEN_CLASS_KEEP) {6    console.log(classKeep);7  }8}9import { MockBuilder, MockRender } from 'ng-mocks';10import { TestService } from './test';11describe('TestService', () => {12  beforeEach(() => MockBuilder(TestService));13  it('should create', () => {14    const service = MockRender(TestService);15    expect(service).toBeTruthy();16  });17});18import { MockBuilder, MockRender } from 'ng-mocks';19import { TestService } from './test';20describe('TestService', () => {21  beforeEach(() => MockBuilder(TestService));22  it('should create', () => {23    const service = MockRender(TestService);24    expect(service).toBeTruthy();25  });26});27import { MockBuilder, MockRender } from 'ng-mocks';28import { TestService } from './test';29describe('TestService', () => {30  beforeEach(() => MockBuilder(TestService));31  it('should create', () => {32    const service = MockRender(TestService);33    expect(service).toBeTruthy();34  });35});36import { MockBuilder, MockRender } from 'ng-mocks';37import { TestService } from './test';38describe('TestService', () => {39  beforeEach(() => MockBuilder(TestService));40  it('should create', () => {41    const service = MockRender(TestService);42    expect(service).toBeTruthy();43  });44});45import { MockBuilder, MockRender } from 'ng-mocks';46import { TestService } from './test';47describe('TestService', () => {48  beforeEach(() => MockBuilder(TestService));49  it('should create', () => {50    const service = MockRender(TestService);51    expect(service).toBeTruthy();52  });53});54import { MockBuilder, MockRender } from 'ng-mocks';55import { TestService } from './test';56describe('TestService', () => {57  beforeEach(() => MockBuilder(TestService));58  it('should create', () => {59    const service = MockRender(TestService);60    expect(service).toBeTruthy();61  });62});63import

Using AI Code Generation

1import { TOKEN_CLASS_KEEP } from 'ng-mocks';2import { MyComponent } from './my.component';3import { MyModule } from './my.module';4import { TestBed } from '@angular/core/testing';5const mockComponent = {6};7const mockModule = {8};9describe('MyComponent', () => {10  beforeEach(() => {11    TestBed.configureTestingModule({12      imports: [MyModule, mockModule],13      providers: [{ provide: MyComponent, useClass: TOKEN_CLASS_KEEP }],14    });15  });16  it('should render the mocked component', () => {17    const fixture = TestBed.createComponent(MyComponent);18    fixture.detectChanges();19    const element = fixture.nativeElement as HTMLElement;20    expect(element.textContent).toEqual('mocked');21  });22});23import { MockComponent } from 'ng-mocks';24import { MyComponent } from './my.component';25import { MyModule } from './my.module';26import { TestBed } from '@angular/core/testing';27describe('MyComponent', () => {28  beforeEach(() => {29    TestBed.configureTestingModule({30      imports: [MyModule],31    });32  });33  it('should render the mocked component', () => {34    const fixture = TestBed.createComponent(MyComponent);35    fixture.detectChanges();36    const element = fixture.nativeElement as HTMLElement;37    expect(element.textContent).toEqual('mocked');38  });39});40@Component({41})42export class MockComponent {}43import { MockComponent } from 'ng-mocks';44import { MyComponent } from './my.component';45import { MyModule } from './my.module';46import { TestBed } from '@angular/core/testing';47describe('MyComponent', () => {48  beforeEach(() => {49    TestBed.configureTestingModule({50      imports: [MyModule],51    });52  });53  it('should render the mocked component', () => {

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