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How to use TOKEN_FACTORY2 method in ng-mocks

Best JavaScript code snippet using ng-mocks

test.spec.ts

1import { InjectionToken, NgModule } from '@angular/core';2import { MockBuilder, ngMocks } from 'ng-mocks';3const TOKEN_FACTORY1 = new InjectionToken('FACTORY1');4const TOKEN_FACTORY2 = new InjectionToken('FACTORY2');5class DummyClass {}6@NgModule({7  providers: [8    {9      provide: TOKEN_FACTORY1,10      useFactory: () => new DummyClass(),11    },12    {13      provide: TOKEN_FACTORY2,14      useFactory: () => 'hello',15    },16  ],17})18class TargetModule {}19describe('tokens-factory', () => {20  beforeEach(() => MockBuilder().mock(TargetModule));21  // Yes, it is tricky, but we do not have much to do here.22  // If a factory returns something else - it should be replaced with a mock copy manually23  // with a proper value.24  it('mocks TOKEN_FACTORY as an empty object', () => {25    const actual1 = ngMocks.findInstance(TOKEN_FACTORY1);26    expect(actual1).toEqual({});27    const actual2 = ngMocks.findInstance(TOKEN_FACTORY2);28    expect(actual2).toEqual({});29  });...

Using AI Code Generation

1import { TOKEN_FACTORY2 } from 'ng-mocks';2class TestClass {3  constructor(private readonly service: TestService) {}4}5const testFactory = TOKEN_FACTORY2(TestClass, [TestService]);6describe('test', () => {7  let testClass: TestClass;8  beforeEach(() => {9    TestBed.configureTestingModule({10    });11    testClass = TestBed.inject(TestClass);12  });13  it('should work', () => {14    expect(testClass).toBeDefined();15  });16});17import { Injectable } from '@angular/core';18@Injectable()19export class TestService {20  constructor() {}21}22Error: StaticInjectorError(AppModule)[TestClass -> TestService]: 23  StaticInjectorError(Platform: core)[TestClass -> TestService]:

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