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How to use child2Pipes method in ng-mocks

Best JavaScript code snippet using ng-mocks

test.nodes.spec.ts

Source:test.nodes.spec.ts

1import { TestBed } from '@angular/core/testing';2import { MockRender, ngMocks } from 'ng-mocks';3import { ImpurePipe } from './fixtures';4// @see https://github.com/help-me-mom/ng-mocks/issues/2405describe('issue-240:nodes', () => {6  beforeEach(() =>7    TestBed.configureTestingModule({8      declarations: [ImpurePipe],9    }).compileComponents(),10  );11  it('calls pipes differently', () => {12    MockRender(13      `14        <div class="parent">15            "parent-1:{{ "parent-1" | impure }}"16            <div class="child-1">17                <!-- comment before -->18                "child-1:{{ "child-1" | impure }}"19            </div>20            <div class="child-2">21                "child-2:{{ "child-2" | impure }}"22                <!-- comment after -->23                <div class="child-3">24                    text before25                    "child-3:{{ "child-3" | impure }}"26                </div>27            </div>28            <ng-container>29                "parent-2:{{ "parent-2" | impure }}"30                <div class="obstacle"></div>31                <ng-container>32                    "parent-3:{{ "parent-3" | impure }}"33                    text after34                </ng-container>35            </ng-container>36        </div>37      `,38    );39    const parent = ngMocks.find('.parent');40    const child1 = ngMocks.find('.child-1');41    const child2 = ngMocks.find('.child-2');42    const child3 = ngMocks.find('.child-3');43    expect(parent.nativeElement.innerHTML).toContain(44      '"parent-1:ImpurePipe:parent-1"',45    );46    expect(parent.nativeElement.innerHTML).toContain(47      '"parent-2:ImpurePipe:parent-2"',48    );49    expect(parent.nativeElement.innerHTML).toContain(50      '"child-1:ImpurePipe:child-1"',51    );52    expect(parent.nativeElement.innerHTML).toContain(53      '"child-2:ImpurePipe:child-2"',54    );55    expect(parent.nativeElement.innerHTML).toContain(56      '"child-3:ImpurePipe:child-3"',57    );58    expect(child1.nativeElement.innerHTML).not.toContain(59      '"parent-1:ImpurePipe:parent-1"',60    );61    expect(child1.nativeElement.innerHTML).not.toContain(62      '"parent-2:ImpurePipe:parent-2"',63    );64    expect(child1.nativeElement.innerHTML).toContain(65      '"child-1:ImpurePipe:child-1"',66    );67    expect(child1.nativeElement.innerHTML).not.toContain(68      '"child-2:ImpurePipe:child-2"',69    );70    expect(child1.nativeElement.innerHTML).not.toContain(71      '"child-3:ImpurePipe:child-3"',72    );73    expect(child2.nativeElement.innerHTML).not.toContain(74      '"parent-1:ImpurePipe:parent-1"',75    );76    expect(child2.nativeElement.innerHTML).not.toContain(77      '"parent-2:ImpurePipe:parent-2"',78    );79    expect(child2.nativeElement.innerHTML).not.toContain(80      '"child-1:ImpurePipe:child-1"',81    );82    expect(child2.nativeElement.innerHTML).toContain(83      '"child-2:ImpurePipe:child-2"',84    );85    expect(child2.nativeElement.innerHTML).toContain(86      '"child-3:ImpurePipe:child-3"',87    );88    expect(child3.nativeElement.innerHTML).not.toContain(89      '"parent-1:ImpurePipe:parent-1"',90    );91    expect(child3.nativeElement.innerHTML).not.toContain(92      '"parent-2:ImpurePipe:parent-2"',93    );94    expect(child3.nativeElement.innerHTML).not.toContain(95      '"child-1:ImpurePipe:child-1"',96    );97    expect(child3.nativeElement.innerHTML).not.toContain(98      '"child-2:ImpurePipe:child-2"',99    );100    expect(child3.nativeElement.innerHTML).toContain(101      '"child-3:ImpurePipe:child-3"',102    );103    const parentPipes = ngMocks.findInstances(parent, ImpurePipe);104    expect(parentPipes.map(item => item.value)).toEqual([105      // all in the root node first106      'parent-1',107      'parent-2',108      'parent-3',109      'child-1',110      'child-2',111      'child-3',112    ]);113    const child1Pipes = ngMocks.findInstances(child1, ImpurePipe);114    expect(child1Pipes.map(item => item.value)).toEqual(['child-1']);115    const child2Pipes = ngMocks.findInstances(child2, ImpurePipe);116    expect(child2Pipes.map(item => item.value)).toEqual([117      'child-2',118      'child-3',119    ]);120    const child3Pipes = ngMocks.findInstances(child3, ImpurePipe);121    expect(child3Pipes.map(item => item.value)).toEqual(['child-3']);122  });...

Using AI Code Generation

1import { MockBuilder, MockRender, ngMocks } from 'ng-mocks';2import { ChildComponent } from './child.component';3import { ParentComponent } from './parent.component';4beforeEach(() => MockBuilder(ParentComponent));5it('should render the parent and child', () => {6  const fixture = MockRender(ParentComponent);7  const component = ngMocks.findInstance(ChildComponent);8  const output = component.child2Pipes('test');9  expect(output).toEqual('test');10});

Using AI Code Generation

1import { child2Pipes } from 'ng-mocks';2import { MockRender } from 'ng-mocks';3import { MockInstance } from 'ng-mocks';4describe('TestComponent', () => {5  it('should create', () => {6    const fixture = MockRender(TestComponent);7    const component = fixture.point.componentInstance;8    const pipes = child2Pipes(fixture.debugElement, TestPipe);9    const pipe = MockInstance(TestPipe, 'transform', () => 'mocked');10  });11});

Using AI Code Generation

1import { MockBuilder, MockRender, child2Pipes } from 'ng-mocks';2import { MyComponent } from './my.component';3import { MyPipe } from './my.pipe';4import { MyOtherPipe } from './my-other.pipe';5describe('MyComponent', () => {6  beforeEach(() => MockBuilder(MyComponent)7    .mock(MyPipe)8    .mock(MyOtherPipe)9  );10  it('renders the component', () => {11    const fixture = MockRender(MyComponent);12    const component = fixture.point.componentInstance;13    expect(component).toBeDefined();14  });15  it('has the correct child pipes', () => {16    const fixture = MockRender(MyComponent);17    const component = fixture.point.componentInstance;18    expect(child2Pipes(component)).toEqual({ myPipe: MyPipe, myOtherPipe: MyOtherPipe });19  });20});21import { Component } from '@angular/core';22import { MyPipe } from './my.pipe';23import { MyOtherPipe } from './my-other.pipe';24@Component({25})26export class MyComponent {27}28import { Pipe, PipeTransform } from '@angular/core';29@Pipe({30})31export class MyPipe implements PipeTransform {32  transform(value: any, args?: any): any {33    return null;34  }35}36import { Pipe, PipeTransform } from '@angular/core';37@Pipe({38})39export class MyOtherPipe implements PipeTransform {40  transform(value: any, args?: any): any {41    return null;42  }43}44{45  "compilerOptions": {46  },47}

Using AI Code Generation

1import { child2Pipes } from 'ng-mocks';2import { child2Components } from 'ng-mocks';3describe('TestComponent', () => {4    let component: TestComponent;5    let fixture: ComponentFixture<TestComponent>;6    beforeEach(async(() => {7        TestBed.configureTestingModule({8        })9            .compileComponents();10    }));11    beforeEach(() => {12        fixture = TestBed.createComponent(TestComponent);13        component = fixture.componentInstance;14        fixture.detectChanges();15    });16    it('should create', () => {17        expect(component).toBeTruthy();18    });19    it('should mock component', () => {20        const testComponents = child2Components(fixture.debugElement, TestComponent);21        expect(testComponents.length).toBe(1);22    });23    it('should mock pipe', () => {24        const testPipes = child2Pipes(fixture.debugElement, TestPipe);25        expect(testPipes.length).toBe(1);26    });27});

Using AI Code Generation

1import { child2Pipes } from 'ng-mocks';2import { MyComponent } from './my.component';3import { MyPipe } from './my.pipe';4describe('MyComponent', () => {5  it('uses the pipe', () => {6    const fixture = MockRender(MyComponent);7    const component = fixture.point.componentInstance;8    const pipes = child2Pipes(component);9    expect(pipes).toContain(MyPipe);10  });11});12import { Component } from '@angular/core';13@Component({14  template: `<div>{{ 'text' | myPipe }}</div>`,15})16export class MyComponent {}17import { Pipe, PipeTransform } from '@angular/core';18@Pipe({19})20export class MyPipe implements PipeTransform {21  transform(value: string): string {22    return value;23  }24}25import { NgModule } from '@angular/core';26import { CommonModule } from '@angular/common';27import { MyComponent } from './my.component';28import { MyPipe } from './my.pipe';29@NgModule({30  imports: [CommonModule],31})32export class MyModule {}33import { MockBuilder, MockRender } from 'ng-mocks';34import { MyComponent } from './my.component';35import { MyModule } from './my.module';36describe('MyComponent', () => {37  beforeEach(() => MockBuilder(MyComponent, MyModule));38  it('renders the component', () => {39    const fixture = MockRender(MyComponent);40    expect(fixture.nativeElement.innerHTML).toContain('text');41  });42});43declare module 'ng-mocks' {44  export function child2Pipes(45  ): Array<new (...args: any[]) => any>;46}47{48  "compilerOptions": {49  }50}51{52  "compilerOptions": {53  }54}

Using AI Code Generation

1import { child2Pipes } from 'ng-mocks';2import { ChildComponent } from './child.component';3describe('ChildComponent', () => {4  it('should have two pipe', () => {5    const pipes = child2Pipes(ChildComponent);6    expect(pipes.length).toBe(2);7  });8});9import { Pipe, PipeTransform } from '@angular/core';10@Pipe({ name: 'pipe1' })11export class Pipe1Pipe implements PipeTransform {12  transform(value: any): any {13    return value;14  }15}16@Pipe({ name: 'pipe2' })17export class Pipe2Pipe implements PipeTransform {18  transform(value: any): any {19    return value;20  }21}22@Component({23})24export class ChildComponent {25  constructor() {}26}27import { async, ComponentFixture, TestBed } from '@angular/core/testing';28import { ChildComponent } from './child.component';29describe('ChildComponent', () => {30  let component: ChildComponent;31  let fixture: ComponentFixture<ChildComponent>;32  beforeEach(async(() => {33    TestBed.configureTestingModule({34    }).compileComponents();35  }));36  beforeEach(() => {37    fixture = TestBed.createComponent(ChildComponent);38    component = fixture.componentInstance;39    fixture.detectChanges();40  });41  it('should create', () => {42    expect(component).toBeTruthy();43  });44});45import { child2Providers } from 'ng-mocks';46import { ChildComponent } from './child.component';47describe('ChildComponent', () => {48  it('should have two providers', () => {49    const providers = child2Providers(ChildComponent);50    expect(providers.length).toBe(2);51  });52});53@Component({54})55export class ChildComponent {56  constructor() {}57}

Using AI Code Generation

1import { ComponentFixture, TestBed } from '@angular/core/testing';2import { Component, Input, Output, EventEmitter } from '@angular/core';3import { MockBuilder, MockRender, ngMocks } from 'ng-mocks';4@Component({5})6class ChildComponent {7  @Input() input1: string;8  @Output() output1 = new EventEmitter<string>();9}10@Component({11    <app-child [input1]="input1" (output1)="output1 = $event"></app-child>12})13class ParentComponent {14  input1 = 'initial input';15  output1 = 'initial output';16}17describe('ParentComponent', () => {18  let component: ParentComponent;19  let fixture: ComponentFixture<ParentComponent>;20  beforeEach(() => MockBuilder(ParentComponent, ChildComponent));21  beforeEach(() => {22    fixture = MockRender(`23    `);24    component = fixture.componentInstance;25  });26  it('should create', () => {27    expect(component).toBeTruthy();28  });29  it('should set input1', () => {30    expect(component.input1).toEqual('initial input');31    const childInputs = ngMocks.child2Pipes(fixture.debugElement, ChildComponent);32    childInputs.input1 = 'new input';33    expect(component.input1).toEqual('new input');34  });35  it('should set output1', () => {36    expect(component.output1).toEqual('initial output');37    const childOutputs = ngMocks.child2Pipes(fixture.debugElement, ChildComponent);38    childOutputs.output1.emit('new output');39    expect(component.output1).toEqual('new output');40  });41  it('should set child template', () => {42    const childTemplate = ngMocks.child2Pipes(fixture.debugElement, ChildComponent);43    childTemplate.template = 'new child template';44    fixture.detectChanges();45    expect(fixture.nativeElement.textContent).toEqual('new child template');46  });47});

Using AI Code Generation

1import { Component } from '@angular/core';2import { async, TestBed } from '@angular/core/testing';3import { MockBuilder, MockRender, ngMocks } from 'ng-mocks';4import { Child2PipesComponent } from './child2-pipes.component';5import { Child2PipesModule } from './child2-pipes.module';6describe('Child2PipesComponent', () => {7  beforeEach(() =>8    MockBuilder(Child2PipesComponent, Child2PipesModule)9  );10  it('should create', async(() => {11    const fixture = MockRender(Child2PipesComponent);12    expect(fixture.point.componentInstance).toBeTruthy();13  }));14  it('should use mock of pipe', async(() => {15    const fixture = MockRender(Child2PipesComponent);16    const mockPipe = ngMocks.child2Pipes(fixture.point).mockPipe;17    expect(mockPipe).toBeDefined();18    expect(mockPipe.transform('abc')).toBe('ABC');19  }));20  it('should use mock of pipe with parameters', async(() => {21    const fixture = MockRender(Child2PipesComponent);22    const mockPipe = ngMocks.child2Pipes(fixture.point).mockPipe;23    expect(mockPipe).toBeDefined();24    expect(mockPipe.transform('abc', 2)).toBe('ABC2');25  }));26});27import { Component } from '@angular/core';28import { MockPipe } from 'ng-mocks';29import { MockPipePipe } from './mock-pipe.pipe';30@Component({31      {{ 'abc' | mockPipe }}32      {{ 'abc' | mockPipe:2 }}33})34export class Child2PipesComponent {35  constructor() { }36}37import { NgModule } from '@angular/core';38import { CommonModule } from '@angular/common';39import { Child2PipesComponent } from './child2-pipes.component';40import { MockPipePipe } from './mock-pipe.pipe';41@NgModule({42  imports: [43})

Using AI Code Generation

1import { NgMocks } from 'ng-mocks';2const { child2Pipes } = NgMocks;3const { MockPipe, MockPipeTransform } = NgMocks;4const MockedPipe = MockPipe('pipe', MockPipeTransform);5const MockedPipes = MockPipe(['pipe'], MockPipeTransform);6const MockedPipes = MockPipe(['pipe1', 'pipe2'], MockPipeTransform);7const MockedPipes = MockPipe(['pipe1', 'pipe2'], [MockPipeTransform, MockPipeTransform]);8const MockedPipes = MockPipe(['pipe1', 'pipe2'], MockPipeTransform, MockPipeTransform);9const MockedPipes = MockPipe(['pipe1', 'pipe2'], [MockPipeTransform, MockPipeTransform], MockPipeTransform);10const MockedPipes = MockPipe(['pipe1', 'pipe2'], MockPipeTransform, [MockPipeTransform, MockPipeTransform]);11const MockedPipes = MockPipe(['pipe1', 'pipe2'], [MockPipeTransform, MockPipeTransform], [MockPipeTransform, MockPipeTransform]);12const MockedPipes = MockPipe(['pipe1', 'pipe2'], [MockPipeTransform, MockPipeTransform], MockPipeTransform, [MockPipeTransform, MockPipeTransform]);13const MockedPipes = MockPipe(['pipe1', 'pipe2'], [MockPipeTransform, MockPipeTransform], [MockPipeTransform, MockPipeTransform], MockPipeTransform);14const MockedPipes = MockPipe(['pipe1', 'pipe2'], [MockPipeTransform, MockPipeTransform], [MockPipeTransform, MockPipeTransform], [MockPipeTransform, MockPipeTransform]);15const MockedPipes = MockPipe(['pipe1', 'pipe2'], [MockPipeTransform, MockPipeTransform], [MockPipeTransform, MockPipeTransform], [MockPipeTransform, MockPipeTransform], MockPipeTransform);16const MockedPipes = MockPipe(['pipe1', 'pipe2'], [MockPipeTransform, MockPipeTransform], [MockPipeTransform, MockPipeTransform], [MockPipeTransform, MockPipeTransform], [MockPipeTransform, MockPipeTransform]);

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