Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Register for FREE! Join TestMu Conference

How to use funcExtractForwardRef method in ng-mocks

Best JavaScript code snippet using ng-mocks

helper.resolve-provider.ts

Source:helper.resolve-provider.ts

...39  if (isSuitableProvider(provider, provide)) {40    if (provider.useFactory || provider.useValue) {41      return true;42    }43    const interceptor = funcExtractForwardRef(provider.useExisting) || provider.useClass;44    if (!ngMocksUniverse.builtProviders.has(interceptor) || ngMocksUniverse.builtProviders.get(interceptor) === null) {45      return true;46    }47  }48  return false;49};50const parseProvider = (51  provider: any,52  callback: any,53): {54  change: () => void;55  multi: boolean;56  provide: any;57} => {58  const provide = funcGetProvider(provider);59  const multi = provider !== provide && !!provider.multi;60  return {61    change: () => {62      if (callback) {63        callback();64      }65    },66    multi,67    provide,68  };69};70// if the provider is a value, we need to go through the value and to replace all mock instances.71const replaceWithMocks = (provider: any, provide: any, mockDef: any) => {72  if (provide !== provider && mockDef && mockDef.useValue) {73    const useValue = helperMockService.replaceWithMocks(mockDef.useValue);74    return useValue === mockDef.useValue75      ? mockDef76      : {77          ...mockDef,78          useValue,79        };80  }81  return mockDef;82};83const createPredefinedMockProvider = (provider: any, provide: any): any => {84  // Then we check decisions whether we should keep or replace a provider.85  if (ngMocksUniverse.builtProviders.has(provide)) {86    const mockDef = ngMocksUniverse.builtProviders.get(provide);87    if (mockDef === provide) {88      return provider;89    }90    return mockDef;91  }92  return undefined;93};94const createMockProvider = (provider: any, provide: any, change: () => void) => {95  let mockDef = createPredefinedMockProvider(provider, provide);96  if (!mockDef && ngMocksUniverse.flags.has('skipMock') && ngMocksUniverse.getResolution(provide) !== 'mock') {97    ngMocksUniverse.config.get('ngMocksDepsSkip')?.add(provide);98    mockDef = provider;99  }100  if (!mockDef) {101    mockDef = mockProvider(provider);102  }103  mockDef = replaceWithMocks(provider, provide, mockDef);104  if (!areEqualDefs(mockDef, provider, provide)) {105    change();106  }107  // Touching only when we really provide a value.108  if (mockDef) {109    ngMocksUniverse.touches.add(provide);110  }111  return mockDef;112};113const areEqualDefs = (mockDef: any, provider: any, provide: any): boolean => {114  let providerDiffers = false;115  let defDiffers = !mockDef;116  if (provider && mockDef && !defDiffers) {117    defDiffers = anyDiffers(provider, mockDef, 'provide', 'useValue', 'useClass', 'useExisting', 'useFactory', 'deps');118  }119  if (provider === provide && mockDef !== provider) {120    providerDiffers = true;121  } else if (provider !== provide && defDiffers) {122    providerDiffers = true;123  }124  return !providerDiffers;125};126const isPreconfiguredDependency = (provider: any, provide: any): boolean => {127  //  we should not touch excluded providers.128  if (ngMocksUniverse.builtProviders.get(provide) === null) {129    return true;130  }131  if (provide !== provider && provider.deps) {132    extractDependency(provider.deps, ngMocksUniverse.config.get('ngMocksDeps'));133  }134  return excludeInterceptors(provider, provide);135};136const isPreconfiguredUseExisting = (provider: any, provide: any): boolean => {137  //  we should not touch non-useExisting providers.138  if (!provider || typeof provider !== 'object' || !provider.useExisting) {139    return false;140  }141  if (provider.useExisting.mockOf) {142    return true;143  }144  // skipping explicit declarations (not internally processed)145  if (ngMocksUniverse.getResolution(provide) && !ngMocksUniverse.config.get(provide).__internal) {146    return false;147  }148  return ngMocksUniverse.getResolution(funcExtractForwardRef(provider.useExisting)) === 'keep';149};150// tries to resolve a provider based on current universe state.151export default (provider: any, resolutions: Map<any, any>, changed?: () => void) => {152  const { provide, multi, change } = parseProvider(provider, changed);153  if (isPreconfiguredDependency(provider, provide)) {154    return change();155  }156  if (isPreconfiguredUseExisting(provider, provide)) {157    ngMocksUniverse.touches.add(provide);158    return provider;159  }160  if (resolutions.has(provide)) {161    return createFromResolution(provide, resolutions.get(provide));162  }...

clone-providers.ts

Source:clone-providers.ts

...30  // Check tests/issue-302/test.spec.ts31  if (provide === coreForm.NgControl || provide === coreForm.FormControlDirective) {32    return undefined;33  }34  if (provider !== provide && funcExtractForwardRef(provider.useExisting) === sourceType) {35    return toExistingProvider(provide, mockType);36  }37  return undefined;38};39const processProvider = (40  sourceType: AnyType<any>,41  mockType: AnyType<any>,42  provider: any,43  resolutions: Map<any, any>,44): any => {45  const token = processTokens(mockType, provider);46  if (token) {47    return token;48  }...

extract-dep.ts

Source:extract-dep.ts

...12    if (!provide && decorator && (typeof decorator !== 'object' || !decorator.ngMetadataName)) {13      provide = decorator;14    }15  }16  return funcExtractForwardRef(provide);...

Using AI Code Generation

1import { funcExtractForwardRef } from 'ng-mocks/dist/lib/mock-helper/func-extract-forward-ref';2describe('funcExtractForwardRef', () => {3  it('should return the function passed in', () => {4    const func = () => {};5    expect(funcExtractForwardRef(func)).toBe(func);6  });7  it('should return the function from the forwardRef passed in', () => {8    const func = () => {};9    expect(funcExtractForwardRef(() => func)).toBe(func);10  });11});12import { funcGetMockName } from 'ng-mocks/dist/lib/mock-helper/func-get-mock-name';13describe('funcGetMockName', () => {14  it('should return the name of the function passed in', () => {15    const func = () => {};16    expect(funcGetMockName(func)).toBe('func');17  });18  it('should return the name of the function from the forwardRef passed in', () => {19    const func = () => {};20    expect(funcGetMockName(() => func)).toBe('func');21  });22});

Using AI Code Generation

1import { funcExtractForwardRef } from 'ng-mocks';2import { forwardRef } from '@angular/core';3const forwardRefFn = forwardRef(() => {});4const forwardRefResult = funcExtractForwardRef(forwardRefFn);5console.log(forwardRefResult);6import { funcExtractForwardRef } from 'ng-mocks';7import { forwardRef } from '@angular/core';8const forwardRefFn = forwardRef(() => {});9const forwardRefResult = funcExtractForwardRef(forwardRefFn);10expect(forwardRefResult).toEqual(() => {});11funcExtractForwardRef() method throws an error if the given function is

Using AI Code Generation

1import { funcExtractForwardRef } from 'ng-mocks';2import { forwardRef } from '@angular/core';3const forwardRefFunction = forwardRef(() => 'test');4const result = funcExtractForwardRef(forwardRefFunction);5import { funcExtractForwardRef } from 'ng-mocks';6const result = funcExtractForwardRef(() => 'test');7import { funcExtractForwardRef } from 'ng-mocks';8const result = funcExtractForwardRef('test');9import { funcExtractForwardRef } from 'ng-mocks';10const result = funcExtractForwardRef(1);11import { funcExtractForwardRef } from 'ng-mocks';12const result = funcExtractForwardRef(true);13import { funcExtractForwardRef } from 'ng-mocks';14const result = funcExtractForwardRef(null);15import { funcExtractForwardRef } from 'ng-mocks';16const result = funcExtractForwardRef(undefined);17import { funcExtractForwardRef } from 'ng-mocks';18const result = funcExtractForwardRef({});19import { funcExtractForwardRef } from 'ng-mocks';20const result = funcExtractForwardRef([]);21import { funcExtractForwardRef } from 'ng-mocks';22const result = funcExtractForwardRef(Symbol('test'));

Using AI Code Generation

1import { funcExtractForwardRef } from 'ng-mocks';2const forwardRef = funcExtractForwardRef();3export const forwardRefFn = forwardRef(() => {4  return new MyService();5});6constructor(private service: MyService) {}7constructor(private service: forwardRefFn) {}8import { forwardRefFn } from './test';9constructor(private service: forwardRefFn) {}10constructor(private service: forwardRef(() => MyService)) {}11import { forwardRefFn } from './test';12constructor(private service: forwardRefFn) {}13constructor(private service: forwardRef(() => MyService)) {}14import { forwardRefFn } from './test';15constructor(private service: forwardRefFn) {}16constructor(private service: forwardRef(() => MyService)) {}17import { forwardRefFn } from './test';18constructor(private service: forwardRefFn) {}19constructor(private service: forwardRef(() => MyService)) {}20import { forwardRefFn } from

Using AI Code Generation

1import { funcExtractForwardRef } from 'ng-mocks';2import { forwardRef } from '@angular/core';3const forwardRefFn = forwardRef(() => 'test');4import { funcExtractForwardRef } from 'ng-mocks';5import { forwardRef } from '@angular/core';6const forwardRefFn = forwardRef(() => 'test');7import { MockBuilder, MockRender } from 'ng-mocks';8import { AppModule } from './app.module';9import { TestService } from './test.service';10import { MockTestService } from './test.service.mock';11beforeEach(() => MockBuilder(TestService, AppModule));12it('should mock a service', () => {13  const fixture = MockRender('<div></div>');14  const service = fixture.point.injector.get(TestService);15  expect(service).toBeInstanceOf(MockTestService);16});17import { MockBuilder, MockRender } from 'ng-mocks';18import { AppModule } from './app.module';19import { TestService } from './test.service';20import { MockTestService } from './test.service.mock';21beforeEach(() => MockBuilder(TestService, AppModule));22it('should mock a service', () => {23  const fixture = MockRender('<div></div>');24  const service = fixture.point.injector.get(TestService);25  expect(service).toBeInstanceOf(MockTestService);26});27import { MockBuilder, MockRender } from 'ng-mocks';28import { AppModule } from './app.module';29import { TestComponent } from './test.component';30import { MockTestComponent } from './test.component.mock';31beforeEach(() => MockBuilder(TestComponent, AppModule));32it('should mock a component', () => {33  const fixture = MockRender('<div></div>');34  const component = fixture.point.componentInstance;35  expect(component).toBeInstanceOf(MockTestComponent);36});37import { MockBuilder, MockRender } from '

Using AI Code Generation

1import { funcExtractForwardRef } from 'ng-mocks';2import { forwardRef } from '@angular/core';3import { SomeClass } from './some-class';4const forwardRefClass = forwardRef(() => SomeClass);5const someClass = funcExtractForwardRef(forwardRefClass);6export class SomeClass {7  constructor() {8    console.log('SomeClass constructor');9  }10}

Using AI Code Generation

1import { funcExtractForwardRef } from 'ng-mocks';2import { forwardRef } from '@angular/core';3const forwardRefFn = forwardRef(() => 1);4const extractedFn = funcExtractForwardRef(forwardRefFn);5import { funcExtractForwardRef } from 'ng-mocks';6import { forwardRef } from '@angular/core';7const forwardRefFn = forwardRef(() => 1);8const extractedFn = funcExtractForwardRef(forwardRefFn);9import { funcExtractForwardRef } from 'ng-mocks';10import { forwardRef } from '@angular/core';11const forwardRefFn = forwardRef(() => 1);12const extractedFn = funcExtractForwardRef(forwardRefFn);13import { funcExtractForwardRef } from 'ng-mocks';14import { forwardRef } from '@angular/core';15const forwardRefFn = forwardRef(() => 1);16const extractedFn = funcExtractForwardRef(forwardRefFn);17import { funcExtractForwardRef } from 'ng-mocks';18import { forwardRef } from '@angular/core';19const forwardRefFn = forwardRef(() => 1);20const extractedFn = funcExtractForwardRef(forwardRefFn);21import { funcExtractForwardRef } from 'ng-mocks';22import { forwardRef } from '@angular/core';23const forwardRefFn = forwardRef(() => 1);24const extractedFn = funcExtractForwardRef(forwardRefFn);25import { funcExtractForwardRef } from 'ng-mocks';26import { forwardRef } from

Using AI Code Generation

1describe("test", () => {2  it("should return a function", () => {3    expect(funcExtractForwardRef(() => {})).toEqual(jasmine.any(Function));4  });5});6describe("test", () => {7  it("should return a function", () => {8    expect(funcExtractForwardRef(() => {})).toEqual(jasmine.any(Function));9  });10});11describe("test", () => {12  it("should return a function", () => {13    expect(funcExtractForwardRef(() => {})).toEqual(jasmine.any(Function));14  });15});16describe("test", () => {17  it("should return a function", () => {18    expect(funcExtractForwardRef(() => {})).toEqual(jasmine.any(Function));19  });20});21describe("test", () => {22  it("should return a function", () => {23    expect(funcExtractForwardRef(() => {})).toEqual(jasmine.any(Function));24  });25});26describe("test", () => {27  it("should return a function", () => {28    expect(funcExtractForwardRef(() => {})).toEqual(jasmine.any(Function));29  });30});31describe("test", () => {32  it("should return a function", () => {33    expect(funcExtractForwardRef(() => {})).toEqual(jasmine.any(Function));34  });35});36describe("test", () => {37  it("should return a function", () => {38    expect(funcExtractForwardRef(() => {})).toEqual(jasmine.any(Function));39  });40});41describe("test", () => {42  it("should return a function", () => {43    expect(funcExtractForwardRef(() => {})).toEqual(jasmine.any(Function));44  });45});

Using AI Code Generation

1describe('Test', () => {2    it('should be able to get forwardRef', () => {3        const forwardRef = funcExtractForwardRef(ForwardRefComponent);4        expect(forwardRef).toEqual(ForwardRefComponent);5    });6});7export class ForwardRefComponent {8    constructor() { }9}10describe('ForwardRefComponent', () => {11    beforeEach(() => {12        TestBed.configureTestingModule({13        });14    });15    it('should create', () => {16        expect(TestBed.createComponent(ForwardRefComponent)).toBeTruthy();17    });18});19describe('Test', () => {20    it('should be able to get forwardRef', () => {21        const forwardRef = funcExtractForwardRef(ForwardRefComponent);22        expect(forwardRef).toEqual(ForwardRefComponent);23    });24});

Using AI Code Generation

1import { funcExtractForwardRef } from 'ng-mocks';2import { forwardRef } from '@angular/core';3describe('funcExtractForwardRef', () => {4  it('should return the forwardRef function', () => {5    expect(funcExtractForwardRef()).toBe(forwardRef);6  });7});8import { funcExtractForwardRef } from 'ng-mocks';9import { forwardRef } from '@angular/core';10describe('funcExtractForwardRef', () => {11  it('should return the forwardRef function', () => {12    expect(funcExtractForwardRef()).toBe(forwardRef);13  });14  it('should not return the forwardRef function', () => {15    expect(funcExtractForwardRef()).not.toBe(forwardRef);16  });17});

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.