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How to use TOKEN_MULTI 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, MockRender } from 'ng-mocks';3const TOKEN_MULTI = new InjectionToken('MULTI');4class ServiceClass {5  public readonly name = 'class';6}7@Injectable()8class ServiceExisting {9  public readonly name = 'existing';10}11// A module that provides all services.12@NgModule({13  providers: [14    ServiceExisting,15    {16      multi: true,17      provide: TOKEN_MULTI,18      useClass: ServiceClass,19    },20    {21      multi: true,22      provide: TOKEN_MULTI,23      useExisting: ServiceExisting,24    },25    {26      multi: true,27      provide: TOKEN_MULTI,28      useFactory: () => 'FACTORY',29    },30    {31      multi: true,32      provide: TOKEN_MULTI,33      useValue: 'VALUE',34    },35  ],36})37class TargetModule {}38// fix for jest without jasmine assertions39const assertion: any =40  typeof jasmine === 'undefined' ? expect : jasmine;41describe('TestMultiToken', () => {42  // Because we want to test the token, we pass it as the first43  // parameter of MockBuilder. To correctly satisfy its initialization44  // we need to pass its module as the second parameter.45  // Do not forget to return the promise of MockBuilder.46  beforeEach(() => MockBuilder(TOKEN_MULTI, TargetModule));47  it('creates TOKEN_MULTI', () => {48    const tokens =49      MockRender<any[]>(TOKEN_MULTI).point.componentInstance;50    expect(tokens).toEqual(assertion.any(Array));51    expect(tokens.length).toEqual(4);52    // Verifying that the token is an instance of ServiceClass.53    expect(tokens[0]).toEqual(assertion.any(ServiceClass));54    expect(tokens[0].name).toEqual('class');55    // Verifying that the token is an instance of ServiceExisting.56    // But because it has been replaced with its mock copy57    // we should see an empty name.58    expect(tokens[1]).toEqual(assertion.any(ServiceExisting));59    expect(tokens[1].name).toBeUndefined();60    // Checking that we have here what factory has been created.61    expect(tokens[2]).toEqual('FACTORY');62    // Checking the set value.63    expect(tokens[3]).toEqual('VALUE');64  });...

Using AI Code Generation

1import { MockBuilder, MockRender, ngMocks } from 'ng-mocks';2import { AppComponent } from './app.component';3import { AppModule } from './app.module';4describe('AppComponent', () => {5  beforeEach(() => MockBuilder(AppComponent, AppModule));6  it('should create the app', () => {7    const fixture = MockRender(AppComponent);8    const app = fixture.point.componentInstance;9    expect(app).toBeTruthy();10  });11  it(`should have as title 'ng-mocks'`, () => {12    const fixture = MockRender(AppComponent);13    const app = fixture.point.componentInstance;14    expect(app.title).toEqual('ng-mocks');15  });16  it('should render title in a h1 tag', () => {17    const fixture = MockRender(AppComponent);18    expect(fixture.nativeElement.querySelector('h1').textContent).toContain(19    );20  });21  it('should render title in a h1 tag', () => {22    const fixture = MockRender(AppComponent);23    expect(ngMocks.formatText(fixture.nativeElement)).toContain(24    );25  });26});

Using AI Code Generation

1import { MockBuilder, MockRender, ngMocks } from 'ng-mocks';2import { AppComponent } from './app.component';3describe('AppComponent', () => {4  beforeEach(() => MockBuilder(AppComponent).mock(TOKEN_MULTI, { a: 'b' }));5  it('renders the component', () => {6    const fixture = MockRender(AppComponent);7    expect(ngMocks.formatText(fixture)).toEqual('a: b');8  });9});

Using AI Code Generation

1import { TOKEN_MULTI } from 'ng-mocks';2import { MyService } from './my.service';3import { TOKEN_MULTI } from 'ng-mocks';4import { MyService } from './my.service';5import { TOKEN_MULTI } from 'ng-mocks';6import { MyService } from './my.service';7describe('MyService', () => {8  let service: MyService;9  beforeEach(() => {10    TestBed.configureTestingModule({11        {12        },13        {14        },15        {16        },17        {18        },19        {20        },21        {22        },23        {24        },25        {26        },27        {28        },29    });30    service = TestBed.inject(MyService);31  });32  it('should be created', () => {33    expect(service).toBeTruthy();34  });35});36import { Injectable } from '@angular/core';37import { TOKEN_MULTI } from './test';38@Injectable()39export class MyService {40  constructor(private readonly tokens: TOKEN_MULTI[]) {}41}42import { TOKEN_MULTI } from 'ng-mocks';43@Injectable()44export class MyService {45  constructor(private readonly tokens: TOKEN_MULTI[]) {}46}47import { TOKEN_MULTI } from 'ng-mocks';48@Injectable()49export class MyService {50  constructor(private readonly

Using AI Code Generation

1import { TOKEN_MULTI } from 'ng-mocks';2import { UserService } from './user.service';3import { User } from './user.interface';4describe('UserService', () => {5  let service: UserService;6  beforeEach(() => {7    TestBed.configureTestingModule({8        {9          useValue: {10              { id: 1, name: 'John' },11              { id: 2, name: 'Jane' },12          },13        },14    });15    service = TestBed.inject(UserService);16  });17  it('should be created', () => {18    expect(service).toBeTruthy();19  });20  it('should have two users', () => {21    expect(service.users.length).toBe(2);22    expect(service.users[0].id).toBe(1);23    expect(service.users[0].name).toBe('John');24    expect(service.users[1].id).toBe(2);25    expect(service.users[1].name).toBe('Jane');26  });27});

Using AI Code Generation

1import { TOKEN_MULTI } from 'ng-mocks';2import { MyService } from './my-service';3  {4    useValue: {5      getFoo: () => 'bar',6    },7  },8];9@NgModule({10  imports: [CommonModule],11    {12    },13})14export class MyModule {}15describe('MyModule', () => {16  beforeEach(() => {17    TestBed.configureTestingModule({18      imports: [MyModule],19    });20  });21  it('should work', () => {22    const myService = TestBed.inject(MyService);23    expect(myService.getFoo()).toBe('bar');24  });25});26import { MockBuilder, MockRender, ngMocks } from 'ng-mocks';27import { MyComponent } from './my-component';28import { MyModule } from './my-module';29describe('MyComponent', () => {30  beforeEach(() => MockBuilder(MyComponent).keep(MyModule));31  it('should work', () => {32    const fixture = MockRender(MyComponent);33    expect(ngMocks.formatText(fixture)).toEqual('bar');34  });35});36import { MockBuilder, MockRender, ngMocks } from 'ng-mocks';37import { MyComponent } from './my-component';38import { MyModule } from './my-module';39describe('MyComponent', () => {40  beforeEach(() => MockBuilder(MyComponent).keep(MyModule));41  it('should work', () => {42    const fixture = MockRender(MyComponent);43    expect(ngMocks.formatText(fixture)).toEqual('bar');44  });45});46import { MockBuilder, MockRender, ngMocks } from 'ng-mocks';47import { MyComponent } from './my-component';48import { MyModule } from './my-module';49describe('My

Using AI Code Generation

1describe('TestComponent', () => {2  let component: TestComponent;3  let fixture: ComponentFixture<TestComponent>;4  let debugElement: DebugElement;5  let element: HTMLElement;6  let mockService: MockService;7  beforeEach(async(() => {8    TestBed.configureTestingModule({9    })10      .compileComponents();11  }));12  beforeEach(() => {13    fixture = TestBed.createComponent(TestComponent);14    component = fixture.componentInstance;15    debugElement = fixture.debugElement;16    element = debugElement.nativeElement;17    mockService = TestBed.get(TestService);18  });19  it('should create', () => {20    expect(component).toBeTruthy();21  });22  it('should call getPosts', () => {23    mockService.getPosts.and.returnValue(of([]));24    component.getPosts();25    expect(mockService.getPosts).toHaveBeenCalled();26  });27  it('should call getPosts and get data', () => {28    mockService.getPosts.and.returnValue(of([{ id: 1, title: 'test' }]));29    component.getPosts();30    expect(component.posts).toEqual([{ id: 1, title: 'test' }]);31  });32  it('should call getPosts and get error', () => {33    mockService.getPosts.and.returnValue(throwError({}));34    component.getPosts();35    expect(component.posts).toEqual([]);36  });37  it('should call getPosts and get error with message', () => {38    mockService.getPosts.and.returnValue(throwError({ error: { message: 'error' } }));39    component.getPosts();40    expect(component.posts).toEqual([]);41  });42});43describe('TestComponent', () => {44  let component: TestComponent;45  let fixture: ComponentFixture<TestComponent>;46  let debugElement: DebugElement;47  let element: HTMLElement;48  let mockDialog: MockDialog;49  beforeEach(async(() => {50    TestBed.configureTestingModule({51    })52      .compileComponents();53  }));54  beforeEach(() => {

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