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How to use fooComponentFactory method in storybook-root

Best JavaScript code snippet using storybook-root

NgComponentAnalyzer.test.ts

Source:NgComponentAnalyzer.test.ts

1import {2  Component,3  ComponentFactory,4  ComponentFactoryResolver,5  Directive,6  EventEmitter,7  HostBinding,8  Injectable,9  Input,10  Output,11  Pipe,12  Type,13} from '@angular/core';14import { TestBed } from '@angular/core/testing';15import { BrowserDynamicTestingModule } from '@angular/platform-browser-dynamic/testing';16import {17  getComponentInputsOutputs,18  isComponent,19  isDeclarable,20  getComponentDecoratorMetadata,21} from './NgComponentAnalyzer';22describe('getComponentInputsOutputs', () => {23  it('should return empty if no I/O found', () => {24    @Component({})25    class FooComponent {}26    expect(getComponentInputsOutputs(FooComponent)).toEqual({27      inputs: [],28      outputs: [],29    });30    class BarComponent {}31    expect(getComponentInputsOutputs(BarComponent)).toEqual({32      inputs: [],33      outputs: [],34    });35  });36  it('should return I/O', () => {37    @Component({38      template: '',39      inputs: ['inputInComponentMetadata'],40      outputs: ['outputInComponentMetadata'],41    })42    class FooComponent {43      @Input()44      public input: string;45      @Input('inputPropertyName')46      public inputWithBindingPropertyName: string;47      @Output()48      public output = new EventEmitter<Event>();49      @Output('outputPropertyName')50      public outputWithBindingPropertyName = new EventEmitter<Event>();51    }52    const fooComponentFactory = resolveComponentFactory(FooComponent);53    const { inputs, outputs } = getComponentInputsOutputs(FooComponent);54    expect({ inputs, outputs }).toEqual({55      inputs: [56        { propName: 'inputInComponentMetadata', templateName: 'inputInComponentMetadata' },57        { propName: 'input', templateName: 'input' },58        { propName: 'inputWithBindingPropertyName', templateName: 'inputPropertyName' },59      ],60      outputs: [61        { propName: 'outputInComponentMetadata', templateName: 'outputInComponentMetadata' },62        { propName: 'output', templateName: 'output' },63        { propName: 'outputWithBindingPropertyName', templateName: 'outputPropertyName' },64      ],65    });66    expect(sortByPropName(inputs)).toEqual(sortByPropName(fooComponentFactory.inputs));67    expect(sortByPropName(outputs)).toEqual(sortByPropName(fooComponentFactory.outputs));68  });69  it("should return I/O when some of component metadata has the same name as one of component's properties", () => {70    @Component({71      template: '',72      inputs: ['input', 'inputWithBindingPropertyName'],73      outputs: ['outputWithBindingPropertyName'],74    })75    class FooComponent {76      @Input()77      public input: string;78      @Input('inputPropertyName')79      public inputWithBindingPropertyName: string;80      @Output()81      public output = new EventEmitter<Event>();82      @Output('outputPropertyName')83      public outputWithBindingPropertyName = new EventEmitter<Event>();84    }85    const fooComponentFactory = resolveComponentFactory(FooComponent);86    const { inputs, outputs } = getComponentInputsOutputs(FooComponent);87    expect(sortByPropName(inputs)).toEqual(sortByPropName(fooComponentFactory.inputs));88    expect(sortByPropName(outputs)).toEqual(sortByPropName(fooComponentFactory.outputs));89  });90  it('should return I/O in the presence of multiple decorators', () => {91    @Component({92      template: '',93    })94    class FooComponent {95      @Input()96      @HostBinding('class.preceeding-first')97      public inputPreceedingHostBinding: string;98      @HostBinding('class.following-binding')99      @Input()100      public inputFollowingHostBinding: string;101    }102    const fooComponentFactory = resolveComponentFactory(FooComponent);103    const { inputs, outputs } = getComponentInputsOutputs(FooComponent);104    expect({ inputs, outputs }).toEqual({105      inputs: [106        { propName: 'inputPreceedingHostBinding', templateName: 'inputPreceedingHostBinding' },107        { propName: 'inputFollowingHostBinding', templateName: 'inputFollowingHostBinding' },108      ],109      outputs: [],110    });111    expect(sortByPropName(inputs)).toEqual(sortByPropName(fooComponentFactory.inputs));112    expect(sortByPropName(outputs)).toEqual(sortByPropName(fooComponentFactory.outputs));113  });114  it('should return I/O with extending classes', () => {115    @Component({116      template: '',117    })118    class BarComponent {119      @Input()120      public a: string;121      @Input()122      public b: string;123    }124    @Component({125      template: '',126    })127    class FooComponent extends BarComponent {128      @Input()129      public b: string;130      @Input()131      public c: string;132    }133    const fooComponentFactory = resolveComponentFactory(FooComponent);134    const { inputs, outputs } = getComponentInputsOutputs(FooComponent);135    expect({ inputs, outputs }).toEqual({136      inputs: [137        { propName: 'a', templateName: 'a' },138        { propName: 'b', templateName: 'b' },139        { propName: 'c', templateName: 'c' },140      ],141      outputs: [],142    });143    expect(sortByPropName(inputs)).toEqual(sortByPropName(fooComponentFactory.inputs));144    expect(sortByPropName(outputs)).toEqual(sortByPropName(fooComponentFactory.outputs));145  });146});147describe('isDeclarable', () => {148  it('should return true with a Component', () => {149    @Component({})150    class FooComponent {}151    expect(isDeclarable(FooComponent)).toEqual(true);152  });153  it('should return true with a Directive', () => {154    @Directive({})155    class FooDirective {}156    expect(isDeclarable(FooDirective)).toEqual(true);157  });158  it('should return true with a Pipe', () => {159    @Pipe({ name: 'pipe' })160    class FooPipe {}161    expect(isDeclarable(FooPipe)).toEqual(true);162  });163  it('should return false with simple class', () => {164    class FooPipe {}165    expect(isDeclarable(FooPipe)).toEqual(false);166  });167  it('should return false with Injectable', () => {168    @Injectable()169    class FooInjectable {}170    expect(isDeclarable(FooInjectable)).toEqual(false);171  });172});173describe('isComponent', () => {174  it('should return true with a Component', () => {175    @Component({})176    class FooComponent {}177    expect(isComponent(FooComponent)).toEqual(true);178  });179  it('should return false with simple class', () => {180    class FooPipe {}181    expect(isComponent(FooPipe)).toEqual(false);182  });183  it('should return false with Directive', () => {184    @Directive()185    class FooDirective {}186    expect(isComponent(FooDirective)).toEqual(false);187  });188});189describe('getComponentDecoratorMetadata', () => {190  it('should return Component with a Component', () => {191    @Component({ selector: 'foo' })192    class FooComponent {}193    expect(getComponentDecoratorMetadata(FooComponent)).toBeInstanceOf(Component);194    expect(getComponentDecoratorMetadata(FooComponent)).toEqual({195      changeDetection: 1,196      selector: 'foo',197    });198  });199  it('should return Component with extending classes', () => {200    @Component({ selector: 'bar' })201    class BarComponent {}202    @Component({ selector: 'foo' })203    class FooComponent extends BarComponent {}204    expect(getComponentDecoratorMetadata(FooComponent)).toBeInstanceOf(Component);205    expect(getComponentDecoratorMetadata(FooComponent)).toEqual({206      changeDetection: 1,207      selector: 'foo',208    });209  });210});211function sortByPropName(212  array: {213    propName: string;214    templateName: string;215  }[]216) {217  return array.sort((a, b) => a.propName.localeCompare(b.propName));218}219function resolveComponentFactory<T extends Type<any>>(component: T): ComponentFactory<T> {220  TestBed.configureTestingModule({221    declarations: [component],222  }).overrideModule(BrowserDynamicTestingModule, {223    set: {224      entryComponents: [component],225    },226  });227  const componentFactoryResolver = TestBed.inject(ComponentFactoryResolver);228  return componentFactoryResolver.resolveComponentFactory(component);...

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