Join Free Webinar: Metrics Magic: Boost software quality with data-driven insights!Register Now 
How to use keepDirective 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 ));...
spec.modules.fixtures.ts
Source:spec.modules.fixtures.ts
1import { CommonModule } from '@angular/common';2import { HttpClientModule } from '@angular/common/http';3import { NgModule } from '@angular/core';4import {5 ContentChildComponent,6 KeepComponent,7 MockComponent,8 My1Component,9 My2Component,10 My3Component,11 MyComponent,12} from './spec.components.fixtures';13import { KeepDirective, MockDirective, MyDirective } from './spec.directives.fixtures';14import { CustomizePipe, KeepPipe, MockPipe, MyPipe, RestorePipe } from './spec.pipes.fixtures';15import { MyService1, MyService2, ServiceCustomize, ServiceKeep, ServiceMock } from './spec.services.fixtures';16import { TOKEN_CUSTOMIZE, TOKEN_KEEP, TOKEN_MOCK } from './spec.tokens.fixtures';17@NgModule({18 declarations: [19 KeepComponent,20 MockComponent,21 KeepDirective,22 MockDirective,23 KeepPipe,24 MockPipe,25 CustomizePipe,26 RestorePipe,27 ],28 exports: [KeepComponent, MockComponent, KeepDirective, MockDirective, KeepPipe, MockPipe, CustomizePipe, RestorePipe],29 providers: [30 ServiceKeep,31 ServiceMock,32 {33 provide: TOKEN_KEEP,34 useValue: 'TOKEN_KEEP',35 },36 {37 provide: TOKEN_MOCK,38 useValue: 'TOKEN_MOCK',39 },40 {41 provide: TOKEN_CUSTOMIZE,42 useValue: 'TOKEN_CUSTOMIZE',43 },44 ],45})46export class ModuleMock {}47@NgModule({48 declarations: [My1Component, My2Component, My3Component, ContentChildComponent],49 exports: [My1Component, My2Component, My3Component, ContentChildComponent],50 imports: [CommonModule],51})52export class ModuleKeep {}53@NgModule({54 declarations: [MyComponent, MyDirective, MyPipe],55 exports: [MyComponent, MyDirective, MyPipe],56 imports: [HttpClientModule, ModuleMock, ModuleKeep],57 providers: [MyService1, MyService2, ServiceCustomize],58})...
keepDirective.js
Source:keepDirective.js
1app.directive('keepDirective', keepDirective);2function keepDirective(){3 return{4 restrict : 'E',5 template : "<li ng-style='{background : task.backgColor}' ><div id='options' ng-show='displayOptions==$index'><span id='edit' data-toggle='modal' ng-click='editTask($index)' data-target='#myModal'><a href=''><i class='fa fa-pencil-square-o' aria-hidden='true'></i></a></span><span id='delete' ng-click='deleteTask($index)'><a href=''><i class='fa fa-trash-o' aria-hidden='true'></i></a></span></div><h2>{{task.title}}</h2><p>{{task.description}}</p></li>"6 }7}8app.directive('modalDirective' , modalDirective);9function modalDirective(){10 return{11 restrict : 'E',12 template : "<div class='modal fade' id='myModal' role='dialog'><div class='modal-dialog modal-sm'><div class='modal-content' ng-style='{background : task.backgColor}'><div class='modal-header'><button type='button' class='close' data-dismiss='modal'>×</button><h4 class='modal-title'><input type='text' ng-model='task.title' ng-value='task.title'></h4></div><div class='modal-body'><p><textarea ng-model='task.description'>{{task.description}}</textarea></p></div><div class='modal-footer'><button type='button' ng-click='update()' class='btn btn-default' data-dismiss='modal'>Done</button></div></div></div></div>"13 }...
Using AI Code Generation
1import { keepDirective } from 'ng-mocks';2import { keepDirective } from 'ng-mocks';3import { keepDirective } from 'ng-mocks';4import { keepDirective } from 'ng-mocks';5import { keepDirective } from 'ng-mocks';6keepDirective(HelloWorldComponent);7import { keepDirective } from 'ng-mocks';8import { keepDirective } from 'ng-mocks';9import { keepDirective } from 'ng-mocks';10import { keepDirective } from 'ng-mocks';11import { keepDirective } from 'ng-mocks';12keepDirective(HelloWorldComponent);13import { keepDirective } from 'ng-mocks';14import { keepDirective } from 'ng-mocks';15import { keepDirective } from 'ng-mocks';16import { keepDirective } from 'ng-mocks';17import { keepDirective } from 'ng-mocks';18keepDirective(HelloWorldComponent);19import { keepDirective } from 'ng-mocks';20import { keepDirective } from 'ng-mocks';21import { keepDirective } from 'ng-mocks';22import { keepDirective } from 'ng-mocks';23import { keepDirective } from 'ng-mocks';24keepDirective(HelloWorldComponent);
Using AI Code Generation
1import { keepDirective } from 'ng-mocks';2import { mockDirective } from 'ng-mocks';3import { mockPipe } from 'ng-mocks';4import { mockProvider } from 'ng-mocks';5import { mockRender } from 'ng-mocks';6import { mockService } from 'ng-mocks';7import { mockType } from 'ng-mocks';8import { ngMocksUniverse } from 'ng-mocks';9import { ngMocksUniverseReset } from 'ng-mocks';10import { ngMocksUniverseTick } from 'ng-mocks';11import { ngMocksUniverseTickReset } from 'ng-mocks';12import { ngMocksUniverseTickUpdate } from 'ng-mocks';13import { ngMocksUniverseUpdate } from 'ng-mocks';14import { ngMocksUniverseUpdateReset } from 'ng-mocks';15import { ngMocksUniverseUpdateUpdate } from 'ng-mocks';16import { ngMocksUniverseUpdateWith } from 'ng-mocks';17import { ngMocksUniverseWith } from 'ng-mocks';18import { ngMocksUniverseWithReset } from 'ng-mocks';19import { ngMocksUn
Using AI Code Generation
1import { keepDirective } from 'ng-mocks';2import { Component } from '@angular/core';3import { MockBuilder, MockRender, ngMocks } from 'ng-mocks';4@Component({5})6class TestComponent {}7describe('TestComponent', () => {8 beforeEach(() => MockBuilder(TestComponent));9 it('should create', () => {10 const fixture = MockRender(TestComponent);11 expect(fixture.point.componentInstance).toBeTruthy();12 });13 it('should keep the directive', () => {14 const fixture = MockRender(TestComponent);15 expect(ngMocks.formatText(fixture.nativeElement)).toEqual('test works!');16 keepDirective(TestComponent, 'app-test');17 expect(ngMocks.formatText(fixture.nativeElement)).toEqual('test works!');18 });19});20import { keepDirective } from 'ng-mocks';21import { Component } from '@angular/core';22import { MockBuilder, MockRender, ngMocks } from 'ng-mocks';23@Component({24})25class TestComponent {}26describe('TestComponent', () => {27 beforeEach(() => MockBuilder(TestComponent));28 it('should create', () => {29 const fixture = MockRender(TestComponent);30 expect(fixture.point.componentInstance).toBeTruthy();31 });32 it('should keep the directive', () => {33 const fixture = MockRender(TestComponent);34 expect(ngMocks.formatText(fixture.nativeElement)).toEqual('test works!');35 keepDirective(TestComponent, 'app-test');36 expect(ngMocks.formatText(fixture.nativeElement)).toEqual('test works!');37 });38});39import { keepDirective } from 'ng-mocks';40import { Component } from '@angular/core';41import { MockBuilder, MockRender, ngMocks } from 'ng-mocks';42@Component({43})44class TestComponent {}45describe('TestComponent', () => {46 beforeEach(() => MockBuilder(TestComponent
Using AI Code Generation
1import { keepDirective } from 'ng-mocks';2import { MyDirective } from './my.directive';3const mock = keepDirective(MyDirective);4const directive = new MyDirective();5expect(directive).toBe(mock);6expect(directive).toBeInstanceOf(MyDirective);7expect(mock).toBeInstanceOf(MyDirective);8expect(mock).toBe(mock);9expect(mock).toBeInstanceOf(mock);10expect(mock).toBe(mock);
Using AI Code Generation
1import { keepDirective } from 'ng-mocks';2describe('keepDirective', () => {3 it('should keep the directive', () => {4 const mock = keepDirective('app-directive');5 expect(mock).toBeDefined();6 });7});8import { Directive } from '@angular/core';9@Directive({10})11export class AppDirective {}12import { Component } from '@angular/core';13@Component({14})15export class AppComponent {}16import { ComponentFixture, TestBed } from '@angular/core/testing';17import { MockBuilder, MockRender } from 'ng-mocks';18import { AppComponent } from './app.component';19import { AppDirective } from './app.directive';20describe('AppComponent', () => {21 let component: AppComponent;22 let fixture: ComponentFixture<AppComponent>;23 beforeEach(() => MockBuilder(AppComponent).mock(AppDirective));24 beforeEach(() => {25 fixture = MockRender(AppComponent);26 component = fixture.componentInstance;27 });28 it('should create the app', () => {29 expect(component).toBeTruthy();30 });31});32import { ComponentFixture, TestBed } from '@angular/core/testing';33import { MockBuilder, MockRender } from 'ng-mocks';34import { AppComponent } from './app.component';35import { AppDirective } from './app.directive';36describe('AppComponent', () => {37 let component: AppComponent;38 let fixture: ComponentFixture<AppComponent>;39 beforeEach(() => MockBuilder(AppComponent).mock(AppDirective));40 beforeEach(() => {41 fixture = MockRender(AppComponent);42 component = fixture.componentInstance;43 });44 it('should create the app', () => {45 expect(component).toBeTruthy();46 });47});48import { ComponentFixture, TestBed } from '@angular/core/testing';49import { MockBuilder, MockRender } from 'ng-mocks';50import { AppComponent } from './app.component';51import { AppDirective } from './app.directive';52describe('AppComponent', () => {53 let component: AppComponent;54 let fixture: ComponentFixture<AppComponent>;55 beforeEach(() => MockBuilder(AppComponent).mock(AppDirective));56 beforeEach(() => {57 fixture = MockRender(AppComponent);58 component = fixture.componentInstance;59 });60 it('should create
Using AI Code Generation
1const component = ngMocks.find('app-root').componentInstance;2const directive = ngMocks.find('app-test').componentInstance;3const keepDirective = ngMocks.keepDirective(component, directive);4expect(keepDirective).toBeTrue();5const component = ngMocks.find('app-root').componentInstance;6const directive = ngMocks.find('app-test').componentInstance;7const keepDirective = ngMocks.keepDirective(component, 'app-test');8expect(keepDirective).toBeTrue();9const component = ngMocks.find('app-root').componentInstance;10const directive = ngMocks.find('app-test').componentInstance;11const keepDirective = ngMocks.keepDirective(component, directive, 'app-test');12expect(keepDirective).toBeTrue();13const component = ngMocks.find('app-root').componentInstance;14const directive = ngMocks.find('app-test').componentInstance;15const keepDirective = ngMocks.keepDirective(component, directive, 'app-test', () => {});16expect(keepDirective).toBeTrue();17const component = ngMocks.find('app-root').componentInstance;18const directive = ngMocks.find('app-test').componentInstance;19const keepDirective = ngMocks.keepDirective(component, directive, 'app-test', () => {}, {});20expect(keepDirective).toBeTrue();21const component = ngMocks.find('app-root').componentInstance;22const directive = ngMocks.find('app-test').componentInstance;23const keepDirective = ngMocks.keepDirective(component, directive, 'app-test', () => {}, {}, true);24expect(keepDirective).toBeTrue();25const component = ngMocks.find('app-root').componentInstance;26const directive = ngMocks.find('app-test').componentInstance;27const keepDirective = ngMocks.keepDirective(component, directive, 'app-test', () => {}, {}, true, 'test');
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.
LambdaTest Learning Hubs:
- JUnit Tutorial
- TestNG Tutorial
- Webdriver Tutorial
- WebDriverIO Tutorial
- Protractor Tutorial
- Selenium 4 Tutorial
- Jenkins Tutorial
- NUnit Tutorial
- Jest Tutorial
- Playwright Tutorial
- Cypress Tutorial
- PyTest Tutorial
YouTube
You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.
Run ng-mocks automation tests on LambdaTest cloud grid
Perform automation testing on 3000+ real desktop and mobile devices online.
Try LambdaTest Now !!
Get 100 minutes of automation test minutes FREE!!
Was this article helpful?
