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

How to use serviceMockInstance method in ng-mocks

Best JavaScript code snippet using ng-mocks

test.ng-mocks.spec.ts

Source:test.ng-mocks.spec.ts

1import { HttpClientModule } from '@angular/common/http';2import { HttpClientTestingModule } from '@angular/common/http/testing';3import { inject, TestBed } from '@angular/core/testing';4import { isMockedNgDefOf, MockBuilder, NG_MOCKS } from 'ng-mocks';5import {6  KeepComponent,7  MockComponent,8  My1Component,9  My2Component,10  My3Component,11  MyComponent,12} from './spec.components.fixtures';13import {14  KeepDirective,15  MockDirective,16} from './spec.directives.fixtures';17import {18  ModuleKeep,19  ModuleMock,20  MyModule,21} from './spec.modules.fixtures';22import {23  KeepPipe,24  MockPipe,25  RestorePipe,26} from './spec.pipes.fixtures';27import {28  ServiceCustomize,29  ServiceKeep,30  ServiceMock,31} from './spec.services.fixtures';32import {33  TOKEN_CUSTOMIZE,34  TOKEN_KEEP,35  TOKEN_MOCK,36} from './spec.tokens.fixtures';37describe('MockBuilder:ngMocks', () => {38  beforeEach(async () => {39    const ngModule = MockBuilder(MyComponent, MyModule)40      .keep(ModuleKeep)41      .keep(KeepComponent)42      .keep(KeepDirective)43      .keep(KeepPipe)44      .keep(ServiceKeep)45      .keep(TOKEN_KEEP)46      .replace(HttpClientModule, HttpClientTestingModule)47      .mock(ModuleMock)48      .mock(MockComponent)49      .mock(MockDirective)50      .mock(MockPipe)51      .mock(ServiceMock) // makes all methods an empty function52      .mock(TOKEN_MOCK) // makes its value undefined53      .mock(ServiceCustomize, {54        getName: () => 'My Customized String',55      })56      .mock(TOKEN_CUSTOMIZE, 'My_Token')57      // Now the pipe will not be replaced with its mock copy.58      .keep(RestorePipe)59      // Even it belongs to the module we want to keep,60      // it will be still replaced with a mock copy.61      .mock(My3Component)62      // and now we want to build our NgModule.63      .build();64    TestBed.configureTestingModule(ngModule);65    // Extra configuration66    TestBed.overrideTemplate(67      My1Component,68      'If we need to tune testBed',69    );70    TestBed.overrideTemplate(My2Component, 'More callbacks');71    return TestBed.compileComponents();72  });73  it('should contain mocks', inject(74    [NG_MOCKS],75    (mocks: Map<any, any>) => {76      // main part77      const myComponent = mocks.get(MyComponent);78      expect(myComponent).toBe(MyComponent);79      const myModule = mocks.get(MyModule);80      expect(isMockedNgDefOf(myModule, MyModule, 'm')).toBeTruthy();81      // keep82      const keepComponent = mocks.get(KeepComponent);83      expect(keepComponent).toBe(keepComponent);84      const keepDirective = mocks.get(KeepDirective);85      expect(keepDirective).toBe(keepDirective);86      const keepPipe = mocks.get(KeepPipe);87      expect(keepPipe).toBe(keepPipe);88      const serviceKeep = mocks.get(ServiceKeep);89      expect(serviceKeep).toBe(ServiceKeep);90      const tokenKeep = mocks.get(TOKEN_KEEP);91      expect(tokenKeep).toBe(TOKEN_KEEP);92      // replace93      const httpClientModule = mocks.get(HttpClientModule);94      expect(httpClientModule).toBe(HttpClientTestingModule);95      // mimic96      const moduleMock = mocks.get(ModuleMock);97      expect(98        isMockedNgDefOf(moduleMock, ModuleMock, 'm'),99      ).toBeTruthy();100      const mockComponent = mocks.get(MockComponent);101      expect(102        isMockedNgDefOf(mockComponent, MockComponent, 'c'),103      ).toBeTruthy();104      const mockDirective = mocks.get(MockDirective);105      expect(106        isMockedNgDefOf(mockDirective, MockDirective, 'd'),107      ).toBeTruthy();108      const mockPipe = mocks.get(MockPipe);109      expect(isMockedNgDefOf(mockPipe, MockPipe, 'p')).toBeTruthy();110      const serviceMock = mocks.get(ServiceMock);111      expect(serviceMock).toBeDefined();112      expect(serviceMock.useFactory).toBeDefined();113      const serviceMockInstance = serviceMock.useFactory();114      expect(serviceMockInstance.getName).toBeDefined();115      expect(serviceMockInstance.getName()).toBeUndefined();116      expect(mocks.has(TOKEN_MOCK)).toBeDefined();117      expect(mocks.get(TOKEN_MOCK)).toBeDefined();118      // customize119      const serviceCustomize = mocks.get(ServiceCustomize);120      expect(serviceCustomize).toBeDefined();121      expect(serviceCustomize.useFactory).toBeDefined();122      const serviceCustomizeInstance = serviceCustomize.useFactory();123      expect(serviceCustomizeInstance.getName).toBeDefined();124      expect(serviceCustomizeInstance.getName()).toEqual(125        'My Customized String',126      );127      const tokenCustomize = mocks.get(TOKEN_CUSTOMIZE);128      expect(tokenCustomize).toBeDefined();129      expect(tokenCustomize.useFactory).toBeDefined();130      const tokenCustomizeValue = tokenCustomize.useFactory();131      expect(tokenCustomizeValue).toEqual('My_Token');132      // restore133      const restorePipe = mocks.get(RestorePipe);134      expect(restorePipe).toBe(restorePipe);135      // mock nested136      const myComponent3 = mocks.get(My3Component);137      expect(138        isMockedNgDefOf(myComponent3, My3Component, 'c'),139      ).toBeTruthy();140    },141  ));...

Using AI Code Generation

1import {serviceMockInstance} from 'ng-mocks';2import {MyService} from './my-service';3describe('MyService', () => {4  let service: MyService;5  beforeEach(() => {6    service = serviceMockInstance(MyService);7  });8  it('should be created', () => {9    expect(service).toBeTruthy();10  });11});12import {serviceMockInstance} from 'ng-mocks';13import {MyService} from './my-service';14describe('MyService', () => {15  let service: MyService;16  beforeEach(() => {17    service = serviceMockInstance(MyService, {18      mock: (mock: MyService) => {19        mock.foo = 'bar';20      },21    });22  });23  it('should be created', () => {24    expect(service).toBeTruthy();25  });26});27import {serviceMockInstance} from 'ng-mocks';28import {MyService} from './my-service';29describe('MyService

Using AI Code Generation

1import { serviceMockInstance } from 'ng-mocks';2import { MyService } from './my-service';3describe('MyService', () => {4  let service: MyService;5  beforeEach(() => {6    service = serviceMockInstance(MyService);7  });8  it('should be created', () => {9    expect(service).toBeTruthy();10  });11});12import { serviceMockInstance } from 'ng-mocks';13import { MyService } from './my-service';14describe('MyService', () => {15  let service: MyService;16  beforeEach(() => {17    service = serviceMockInstance(MyService);18  });19  it('should be created', () => {20    expect(service).toBeTruthy();21  });22});23import { serviceMockInstance } from 'ng-mocks';24import { serviceMockInstance } from 'ng-mocks';25import { MyService } from './my-service';26describe('MyService', () => {27  let service: MyService;28  beforeEach(() => {29    service = serviceMockInstance(MyService);30  });31  it('should be created', () => {32    expect(service).toBeTruthy();33  });34});

Using AI Code Generation

1describe('test', () => {2  beforeEach(() => {3    TestBed.configureTestingModule({4      imports: [HttpClientTestingModule],5        { provide: SERVICE, useValue: serviceMockInstance(SERVICE) },6    });7  });8  it('should call service method', () => {9    const service = TestBed.inject(SERVICE);10    service.method();11    expect(service.method).toHaveBeenCalled();12  });13});14describe('Service', () => {15  let service: Service;16  beforeEach(() => {17    TestBed.configureTestingModule({18      imports: [HttpClientTestingModule],19        { provide: SERVICE, useValue: createMock(SERVICE) },20    });21    service = TestBed.inject(SERVICE);22  });23  it('should call service method', () => {24    service.method();25    expect(service.method).toHaveBeenCalled();26  });27});28describe('Service', () => {29  let service: Service;30  beforeEach(() => {31    TestBed.configureTestingModule({32      imports: [HttpClientTestingModule],33        { provide: SERVICE, useValue: createSpyObj(SERVICE, ['method']) },34    });35    service = TestBed.inject(SERVICE);36  });37  it('should call service method', () => {38    service.method();39    expect(service.method).toHaveBeenCalled();40  });41});42describe('Service', () => {43  let service: Service;44  beforeEach(() => {45    TestBed.configureTestingModule({46      imports: [HttpClientTestingModule],47        { provide: SERVICE, useValue: jasmine.createSpyObj(SERVICE, ['method']) },48    });49    service = TestBed.inject(SERVICE);50  });51  it('should call service method', () => {52    service.method();53    expect(service.method).toHaveBeenCalled();54  });55});56describe('Service', () => {57  let service: Service;58  beforeEach(() => {59    TestBed.configureTestingModule({60      imports: [HttpClientTestingModule],61        { provide: SERVICE, useValue: jest.spyOn(SERVICE, 'method') },62    });63    service = TestBed.inject(SERVICE);64  });65  it('should call service method

Using AI Code Generation

1import { serviceMockInstance } from 'ng-mocks';2import { MyService } from './my.service';3const myService = serviceMockInstance(MyService);4expect(myService).toBeDefined();5expect(myService).toBeInstanceOf(MyService);6import { serviceMockInstance } from 'ng-mocks';7import { MyService } from './my.service';8const myService = serviceMockInstance(MyService);9expect(myService).toBeDefined();10expect(myService).toBeInstanceOf(MyService);11import { serviceMockInstance } from 'ng-mocks';12import { MyService } from './my.service';13const myService = serviceMockInstance(MyService);14expect(myService).toBeDefined();15expect(myService).toBeInstanceOf(MyService);16import { serviceMockInstance } from 'ng-mocks';17import { MyService } from './my.service';18const myService = serviceMockInstance(MyService);19expect(myService).toBeDefined();20expect(myService).toBeInstanceOf(MyService);21import { serviceMockInstance } from 'ng-mocks';22import { MyService } from './my.service';23const myService = serviceMockInstance(MyService);24expect(myService).toBeDefined();25expect(myService).toBeInstanceOf(MyService);26import { serviceMockInstance } from 'ng-mocks';27import { MyService } from './my.service';28const myService = serviceMockInstance(MyService);29expect(myService).toBeDefined();30expect(myService).toBeInstanceOf(MyService);31import { serviceMockInstance } from 'ng-mocks';32import { MyService } from './my.service';33const myService = serviceMockInstance(MyService);

Using AI Code Generation

1import { serviceMockInstance } from 'ng-mocks';2export class TestClass {3    constructor(private testService: TestService) {4        serviceMockInstance(TestService).testMethod();5    }6}7export class TestService {8    testMethod() {9        console.log('TestService method called');10    }11}12import { TestBed } from '@angular/core/testing';13import { TestClass } from './test';14import { TestService } from './test.service';15describe('Test', () => {16    let testClass: TestClass;17    beforeEach(() => {18        TestBed.configureTestingModule({19        });20        testClass = TestBed.get(TestClass);21    });22    it('should call testMethod of TestService', () => {23        expect(testClass).toBeDefined();24    });25});

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.