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How to use onChanges method in ng-mocks

Best JavaScript code snippet using ng-mocks

textBox.stories.js

Source:textBox.stories.js

...7  value: "Example text"8};9storiesOf("TextBox", module).addDecorator(withInfo).add("Unrequired without a title", withState(initialState)(function (_ref) {10  var store = _ref.store;11  var onChanges = function onChanges(payload, _ref2) {12    var value = _ref2.value;13    store.set({14      value: value15    });16  };17  return /*#__PURE__*/React.createElement(TextBox, {18    onChanges: onChanges,19    value: store.state.value20  });21})).add("Required", withState(initialState)(function (_ref3) {22  var store = _ref3.store;23  var onChanges = function onChanges(payload, _ref4) {24    var value = _ref4.value;25    store.set({26      value: value27    });28  };29  return /*#__PURE__*/React.createElement(TextBox, {30    isRequired: true,31    onChanges: onChanges,32    title: "Perustelut",33    value: store.state.value34  });35})).add("Read only", withState(initialState)(function (_ref5) {36  var store = _ref5.store;37  var onChanges = function onChanges(payload, _ref6) {38    var value = _ref6.value;39    store.set({40      value: value41    });42  };43  return /*#__PURE__*/React.createElement(TextBox, {44    isReadOnly: true,45    onChanges: onChanges,46    title: "Perustelut",47    value: store.state.value48  });49})).add("Invalid with a tooltip", withState(initialState)(function (_ref7) {50  var store = _ref7.store;51  var onChanges = function onChanges(payload, _ref8) {52    var value = _ref8.value;53    store.set({54      value: value55    });56  };57  return /*#__PURE__*/React.createElement(TextBox, {58    isRequired: false,59    isValid: false,60    onChanges: onChanges,61    title: "Perustelut",62    tooltip: {63      text: "This is info text"64    },65    value: store.state.value66  });67})).add("Required and invalid", withState(initialState)(function (_ref9) {68  var store = _ref9.store;69  var onChanges = function onChanges(payload, _ref10) {70    var value = _ref10.value;71    store.set({72      value: value73    });74  };75  return /*#__PURE__*/React.createElement(TextBox, {76    isRequired: true,77    isValid: false,78    onChanges: onChanges,79    requiredMessage: "Pakollinen tieto",80    title: "Perustelut",81    value: store.state.value82  });83})).add("Textbox with delete icon", withState(initialState)(function (_ref11) {84  var store = _ref11.store;85  var onChanges = function onChanges(payload, _ref12) {86    var value = _ref12.value;87    store.set({88      value: value89    });90  };91  return /*#__PURE__*/React.createElement(TextBox, {92    isRequired: true,93    isValid: false,94    onChanges: onChanges,95    requiredMessage: "Pakollinen tieto",96    title: "Perustelut",97    value: store.state.value,98    isRemovable: true99  });...

input.stories.js

Source:input.stories.js

...7  value: "Example text"8};9storiesOf("Input", module).addDecorator(withInfo).add("Unrequired", withState(initialState)(function (_ref) {10  var store = _ref.store;11  var onChanges = function onChanges(payload, _ref2) {12    var value = _ref2.value;13    store.set({14      value: value15    });16  };17  return /*#__PURE__*/React.createElement("div", null, /*#__PURE__*/React.createElement(Input, {18    label: "Perustele muutos",19    onChanges: onChanges,20    value: store.state.value21  }));22})).add("Required and invalid", withState(initialState)(function (_ref3) {23  var store = _ref3.store;24  var onChanges = function onChanges(payload, _ref4) {25    var value = _ref4.value;26    store.set({27      value: value28    });29  };30  return /*#__PURE__*/React.createElement("div", null, /*#__PURE__*/React.createElement(Input, {31    isRequired: true,32    isValid: false,33    label: "Perustele muutos",34    onChanges: onChanges,35    value: store.state.value36  }));37})).add("Required and valid with a tooltip", withState(initialState)(function (_ref5) {38  var store = _ref5.store;39  var onChanges = function onChanges(payload, _ref6) {40    var value = _ref6.value;41    store.set({42      value: value43    });44  };45  return /*#__PURE__*/React.createElement("div", null, /*#__PURE__*/React.createElement(Input, {46    isRequired: true,47    isValid: true,48    label: "Perustele muutos",49    onChanges: onChanges,50    tooltip: {51      text: "This is info text"52    },53    value: store.state.value54  }));55})).add("Read only, required and invalid", withState(initialState)(function (_ref7) {56  var store = _ref7.store;57  var onChanges = function onChanges(payload, _ref8) {58    var value = _ref8.value;59    store.set({60      value: value61    });62  };63  return /*#__PURE__*/React.createElement("div", null, /*#__PURE__*/React.createElement(Input, {64    isRequired: true,65    isReadOnly: true,66    isValid: false,67    label: "Perustele muutos",68    onChanges: onChanges,69    value: store.state.value70  }));71})).add("Erroneous", withState(initialState)(function (_ref9) {72  var store = _ref9.store;73  var onChanges = function onChanges(payload, _ref10) {74    var value = _ref10.value;75    store.set({76      value: value77    });78  };79  return /*#__PURE__*/React.createElement("div", null, /*#__PURE__*/React.createElement(Input, {80    error: true,81    isRequired: true,82    isValid: false,83    label: "Perustele muutos",84    onChanges: onChanges,85    value: store.state.value86  }));87}));

countdown-timer-onchanges.component.spec.ts

Source:countdown-timer-onchanges.component.spec.ts

1import { async, ComponentFixture, TestBed } from '@angular/core/testing';2import { CountdownTimerOnchangesComponent } from './countdown-timer-onchanges.component';3describe('CountdownTimerOnchangesComponent', () => {4  let component: CountdownTimerOnchangesComponent;5  let fixture: ComponentFixture<CountdownTimerOnchangesComponent>;6  beforeEach(async(() => {7    TestBed.configureTestingModule({8      declarations: [ CountdownTimerOnchangesComponent ]9    })10    .compileComponents();11  }));12  beforeEach(() => {13    fixture = TestBed.createComponent(CountdownTimerOnchangesComponent);14    component = fixture.componentInstance;15    fixture.detectChanges();16  });17  it('should create', () => {18    expect(component).toBeTruthy();19  });...

Using AI Code Generation

1import { onChanges } from 'ng-mocks';2import { MyComponent } from './my-component';3describe('MyComponent', () => {4  let component: MyComponent;5  beforeEach(() => {6    component = new MyComponent();7  });8  it('should set the property', () => {9    onChanges(component, { myProperty: { currentValue: 'foo' } });10    expect(component.myProperty).toEqual('foo');11  });12});13import { Component, Input, OnChanges } from '@angular/core';14@Component({15})16export class MyComponent implements OnChanges {17  @Input() myProperty: string;18  ngOnChanges(changes) {19  }20}21import { MyComponent } from './my-component';22import { onChanges } from 'ng-mocks';23describe('MyComponent', () => {24  let component: MyComponent;25  beforeEach(() => {26    component = new MyComponent();27  });28  it('should set the property', () => {29    onChanges(component, { myProperty: { currentValue: 'foo' } });30    expect(component.myProperty).toEqual('foo');31  });32});33import { MyComponent } from './my-component';34import { onChanges } from 'ng-mocks';35describe('MyComponent', () => {36  let component: MyComponent;37  beforeEach(() => {38    component = new MyComponent();39  });40  it('should set the property', () => {41    onChanges(component, { myProperty: { currentValue: 'foo' } });42    expect(component.myProperty).toEqual('foo');43  });44});45import { MyComponent } from './my-component';46import { onChanges } from 'ng-mocks';47describe('MyComponent', () => {48  let component: MyComponent;49  beforeEach(() => {50    component = new MyComponent();51  });52  it('should set the property', () => {53    onChanges(component, { myProperty: { currentValue: 'foo' } });54    expect(component.myProperty).toEqual('foo');55  });56});57import { MyComponent } from './my-component';58import { onChanges } from 'ng-mocks';59describe('MyComponent', () => {

Using AI Code Generation

1import { mockNgOnChanges } from 'ng-mocks';2import { MyComponent } from './my.component';3describe('MyComponent', () => {4  let component: MyComponent;5  beforeEach(() => {6    component = new MyComponent();7  });8  it('should call ngOnChanges', () => {9    mockNgOnChanges(component);10    expect(component.ngOnChanges).toHaveBeenCalled();11  });12});

Using AI Code Generation

1import { Component, Input } from '@angular/core';2import { onChanges } from 'ng-mocks';3@Component({4})5export class TestComponent {6  @Input() public input: string;7  public ngOnChanges() {8    console.log('ngOnChanges called');9  }10}11describe('TestComponent', () => {12  it('should call ngOnChanges', () => {13    const component = new TestComponent();14    onChanges(component, { input: 'test' });15    expect(component.input).toBe('test');16  });17});

Using AI Code Generation

1import { mockComponent } from 'ng-mocks';2import { Component } from '@angular/core';3import { MyComponent } from './my-component';4describe('MyComponent', () => {5  it('should call onChanges', () => {6    const component = mockComponent(MyComponent);7    component.ngOnChanges();8  });9});10import { Component, Input, OnChanges } from '@angular/core';11@Component({12})13export class MyComponent implements OnChanges {14  @Input() public value: number;15  public ngOnChanges(): void {16    console.log('onChanges called');17  }18}19This is what the documentation says about mockComponent() :20mockComponent(type: Type<T>, mock?: Partial<T>): T;21And this is what the documentation says about MockComponent() :22MockComponent(type: Type<T>, mock?: Partial<T>): Type<T>;23import { MockComponent } from 'ng-mocks';24import { Component } from '@angular/core';25import { MyComponent } from './my-component';26describe('MyComponent', () => {27  it('should call onChanges', () => {28    const component = MockComponent(MyComponent);29    component.ngOnChanges();30  });31});32Thanks for the help! That worked. I'm new to ng-mocks but I'm liking it so far. I'm curious, is there a reason why mockComponent() is used to mock a component that is used in a module and MockComponent() is used to mock a component that is used in a template

Using AI Code Generation

1export class Test {2  public onChanges(changes: SimpleChanges): void {3  }4}5describe('Test', () => {6  let component: Test;7  let fixture: ComponentFixture<Test>;8  beforeEach(async(() => {9    TestBed.configureTestingModule({10      imports: [NgMocks],11    }).compileComponents();12  }));13  beforeEach(() => {14    fixture = TestBed.createComponent(Test);15    component = fixture.componentInstance;16  });17  it('should call onChanges method', () => {18    const onChangesSpy = spyOn(component, 'onChanges');19    fixture.detectChanges();20    expect(onChangesSpy).toHaveBeenCalledTimes(1);21  });22});23import { createComponentFactory, Spectator } from '@ngneat/spectator';24import { NgMocks } from '@ngneat/spectator';25import { TestComponent } from './test.component';26describe('TestComponent', () => {27  let spectator: Spectator<TestComponent>;28  const createComponent = createComponentFactory({29    imports: [NgMocks],30  });31  beforeEach(() => spectator = createComponent());32  it('should call onChanges method', () => {33    const onChangesSpy = spyOn(spectator.component, 'onChanges');34    spectator.detectChanges();35    expect(onChangesSpy).toHaveBeenCalledTimes(1);36  });37});38import { createComponentFactory, Spectator } from '@ngneat/spectator';39import { NgMocks } from '@ngneat/spectator';40import { TestComponent } from './test.component';41describe('TestComponent', () => {42  let spectator: Spectator<TestComponent>;43  const createComponent = createComponentFactory({44    imports: [NgMocks],45  });46  beforeEach(() => spectator = createComponent());47  it('should call onChanges method', () => {

Using AI Code Generation

1export default function mockNgChanges(){2  beforeEach(angular.mock.module(function($provide){3    $provide.decorator('ngChangeDirective', function($delegate){4      $delegate[0].compile = function(){5        return function(scope, element, attrs){6          var eventName = 'input';7          if (attrs.type === 'checkbox' || attrs.type === 'radio') {8            eventName = 'click';9          }10          element.on(eventName, function(){11            scope.$apply(attrs.ngChange);12          });13        };14      };15      return $delegate;16    });17  }));18}19export default function mockNgChanges(){20  beforeEach(angular.mock.module(function($provide){21    $provide.decorator('ngChangeDirective', function($delegate){22      $delegate[0].compile = function(){23        return function(scope, element, attrs){24          var eventName = 'input';25          if (attrs.type === 'checkbox' || attrs.type === 'radio') {26            eventName = 'click';27          }28          element.on(eventName, function(){29            scope.$apply(attrs.ngChange);30          });31        };32      };33      return $delegate;34    });35  }));36}37export default function mockNgChanges(){38  beforeEach(angular.mock.module(function($provide){39    $provide.decorator('ngChangeDirective', function($delegate){40      $delegate[0].compile = function(){41        return function(scope, element, attrs){42          var eventName = 'input';43          if (attrs.type === 'checkbox' || attrs.type === 'radio') {44            eventName = 'click';45          }46          element.on(eventName, function(){47            scope.$apply(attrs.ngChange);48          });49        };50      };51      return $delegate;52    });53  }));54}55export default function mockNgChanges(){56  beforeEach(angular.mock.module(function($provide){57    $provide.decorator('ngChangeDirective', function($delegate){58      $delegate[0].compile = function(){59        return function(scope, element, attrs){60          var eventName = 'input';61          if (attrs.type === 'checkbox' || attrs.type === 'radio') {62            eventName = 'click';63          }64          element.on(eventName, function(){65            scope.$apply(attrs.ngChange);66          });67        };68      };

Using AI Code Generation

1it('should call onChanges', () => {2  const fixture = MockRender(HelloWorldComponent);3  const component = fixture.point.componentInstance;4  const changes = new SimpleChanges();5  changes['name'] = new SimpleChange('name', 'name', false);6  component.ngOnChanges(changes);7  fixture.detectChanges();8  expect(component.name).toEqual('name');9});10it('should call onChanges', () => {11  const fixture = MockRender(HelloWorldComponent);12  const component = fixture.point.componentInstance;13  const changes = new SimpleChanges();14  changes['name'] = new SimpleChange('name', 'name', false);15  component.ngOnChanges(changes);16  fixture.detectChanges();17  expect(component.name).toEqual('name');18});19it('should call onChanges', () => {20  const fixture = MockRender(HelloWorldComponent);21  const component = fixture.point.componentInstance;22  const changes = new SimpleChanges();23  changes['name'] = new SimpleChange('name', 'name', false);24  component.ngOnChanges(changes);25  fixture.detectChanges();26  expect(component.name).toEqual('name');27});28it('should call onChanges', () => {29  const fixture = MockRender(HelloWorldComponent);30  const component = fixture.point.componentInstance;31  const changes = new SimpleChanges();32  changes['name'] = new SimpleChange('name', 'name', false);33  component.ngOnChanges(changes);34  fixture.detectChanges();35  expect(component.name).toEqual('name');36});37it('should call onChanges', () => {38  const fixture = MockRender(HelloWorldComponent);39  const component = fixture.point.componentInstance;40  const changes = new SimpleChanges();41  changes['name'] = new SimpleChange('name', 'name', false);42  component.ngOnChanges(changes);43  fixture.detectChanges();44  expect(component.name).toEqual('name');45});46it('should call onChanges', () => {47  const fixture = MockRender(HelloWorldComponent);48  const component = fixture.point.componentInstance;

Using AI Code Generation

1import { MockBuilder, MockRender, ngMocks } from 'ng-mocks';2MockBuilder().mock(MyService);3MockRender(MyComponent);4const component = ngMocks.find(MyComponent);5component.onChanges({});6const service = ngMocks.find(MyService);7const spy = ngMocks.get(MyService).myMethod;8expect(spy).toHaveBeenCalled();

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