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How to use parentInstance method in ng-mocks

Best JavaScript code snippet using ng-mocks

ServerNetworkedValuesReader.ts

Source:ServerNetworkedValuesReader.ts

1import { ISignal, ISignalConnection, Signal } from "@rbxts/signals-tooling";2import { RunService, HttpService } from "@rbxts/services";3import { JsonSafe } from "../../types/JsonSafe";4import { t } from "@rbxts/t";5import { ValueObjectClassName } from "../../types/ValueObjectClassName";6function mustGetValueObjectInstance(name: string, parentInstance: Instance) {7	const valueObjectInstance = parentInstance.FindFirstChild(name);8	if (valueObjectInstance === undefined) {9		throw `Networked value instance does not yet exist: ${name}`;10	}11	return valueObjectInstance;12}13function assertValueObjectInstanceType<T extends ValueObjectClassName>(14	valueObjectInstance: Instance,15	className: T,16): asserts valueObjectInstance is Instances[T] {17	assert(18		valueObjectInstance.IsA(className),19		`Expected networked value instance to be of type ${className}, got ${valueObjectInstance.ClassName}`,20	);21}22function assertValuePassesCheck<T>(value: unknown, tCheck: t.check<T>): asserts value is T {23	assert(tCheck(value), "Cannot deserialize value - serialized value is invalid");24}25function defaultCreateSignal(): ISignal {26	return new Signal();27}28export class ServerNetworkedValuesReader {29	private constructor(30		private readonly createSignal: () => ISignal,31		private readonly httpService: HttpService,32		private readonly runService: RunService,33	) {}34	public static create(this: void) {35		if (!RunService.IsClient()) {36			throw `Cannot create unless on client`;37		}38		return new ServerNetworkedValuesReader(defaultCreateSignal, HttpService, RunService);39	}40	public doesNetworkedValueExist(name: string, parentInstance: Instance): boolean {41		try {42			const valueObject = mustGetValueObjectInstance(name, parentInstance);43			return valueObject.IsA("ValueBase");44		} catch {45			return false;46		}47	}48	public getCurrentBooleanValue(name: string, parentInstance: Instance): boolean {49		const valueObjectInstance = mustGetValueObjectInstance(name, parentInstance);50		assertValueObjectInstanceType(valueObjectInstance, "BoolValue");51		return valueObjectInstance.Value;52	}53	public getCurrentBrickColorValue(name: string, parentInstance: Instance): BrickColor {54		const valueObjectInstance = mustGetValueObjectInstance(name, parentInstance);55		assertValueObjectInstanceType(valueObjectInstance, "BrickColorValue");56		return valueObjectInstance.Value;57	}58	public getCurrentCFrameValue(name: string, parentInstance: Instance): CFrame {59		const valueObjectInstance = mustGetValueObjectInstance(name, parentInstance);60		assertValueObjectInstanceType(valueObjectInstance, "CFrameValue");61		return valueObjectInstance.Value;62	}63	public getCurrentColor3Value(name: string, parentInstance: Instance): Color3 {64		const valueObjectInstance = mustGetValueObjectInstance(name, parentInstance);65		assertValueObjectInstanceType(valueObjectInstance, "Color3Value");66		return valueObjectInstance.Value;67	}68	public getCurrentEnumValue<T extends number>(name: string, parentInstance: Instance): T {69		const valueObjectInstance = mustGetValueObjectInstance(name, parentInstance);70		assertValueObjectInstanceType(valueObjectInstance, "IntValue");71		// eslint-disable-next-line @typescript-eslint/consistent-type-assertions72		return valueObjectInstance.Value as T;73	}74	public getCurrentInstanceValue(name: string, parentInstance: Instance): Instance | undefined {75		const valueObjectInstance = mustGetValueObjectInstance(name, parentInstance);76		assertValueObjectInstanceType(valueObjectInstance, "ObjectValue");77		return valueObjectInstance.Value;78	}79	public getCurrentJsonValue<T extends JsonSafe>(name: string, parentInstance: Instance, tCheck: t.check<T>): T {80		const valueObjectInstance = mustGetValueObjectInstance(name, parentInstance);81		assertValueObjectInstanceType(valueObjectInstance, "StringValue");82		const serializedValue = valueObjectInstance.Value;83		const deserializedValue = serializedValue === "" ? undefined : this.httpService.JSONDecode(serializedValue);84		assertValuePassesCheck(deserializedValue, tCheck);85		return deserializedValue;86	}87	public getCurrentNumberValue(name: string, parentInstance: Instance): number {88		const valueObjectInstance = mustGetValueObjectInstance(name, parentInstance);89		assertValueObjectInstanceType(valueObjectInstance, "NumberValue");90		return valueObjectInstance.Value;91	}92	public getCurrentRayValue(name: string, parentInstance: Instance): Ray {93		const valueObjectInstance = mustGetValueObjectInstance(name, parentInstance);94		assertValueObjectInstanceType(valueObjectInstance, "RayValue");95		return valueObjectInstance.Value;96	}97	public getCurrentStringValue(name: string, parentInstance: Instance): string {98		const valueObjectInstance = mustGetValueObjectInstance(name, parentInstance);99		assertValueObjectInstanceType(valueObjectInstance, "StringValue");100		return valueObjectInstance.Value;101	}102	public getCurrentVector3Value(name: string, parentInstance: Instance): Vector3 {103		const valueObjectInstance = mustGetValueObjectInstance(name, parentInstance);104		assertValueObjectInstanceType(valueObjectInstance, "Vector3Value");105		return valueObjectInstance.Value;106	}107	public subscribeToBooleanValue(108		name: string,109		parentInstance: Instance,110		valueChangedCallback: (newValue: boolean) => void,111	): ISignalConnection {112		const valueObjectInstance = parentInstance.WaitForChild(name);113		assertValueObjectInstanceType(valueObjectInstance, "BoolValue");114		return valueObjectInstance.Changed.Connect(valueChangedCallback);115	}116	public subscribeToBrickColorValue(117		name: string,118		parentInstance: Instance,119		valueChangedCallback: (newValue: BrickColor) => void,120	): ISignalConnection {121		const valueObjectInstance = parentInstance.WaitForChild(name);122		assertValueObjectInstanceType(valueObjectInstance, "BrickColorValue");123		return valueObjectInstance.Changed.Connect(valueChangedCallback);124	}125	public subscribeToCFrameValue(126		name: string,127		parentInstance: Instance,128		valueChangedCallback: (newValue: CFrame) => void,129	): ISignalConnection {130		const valueObjectInstance = parentInstance.WaitForChild(name);131		assertValueObjectInstanceType(valueObjectInstance, "CFrameValue");132		return valueObjectInstance.Changed.Connect(valueChangedCallback);133	}134	public subscribeToColor3Value(135		name: string,136		parentInstance: Instance,137		valueChangedCallback: (newValue: Color3) => void,138	): ISignalConnection {139		const valueObjectInstance = parentInstance.WaitForChild(name);140		assertValueObjectInstanceType(valueObjectInstance, "Color3Value");141		return valueObjectInstance.Changed.Connect(valueChangedCallback);142	}143	public subscribeToEnumValue<T extends number>(144		name: string,145		parentInstance: Instance,146		valueChangedCallback: (newValue: T) => void,147	): ISignalConnection {148		const valueObjectInstance = parentInstance.WaitForChild(name);149		assertValueObjectInstanceType(valueObjectInstance, "IntValue");150		// eslint-disable-next-line @typescript-eslint/consistent-type-assertions151		return valueObjectInstance.Changed.Connect((newValue) => valueChangedCallback(newValue as T));152	}153	public subscribeToInstanceValue(154		name: string,155		parentInstance: Instance,156		valueChangedCallback: (newValue: Instance | undefined) => void,157	): ISignalConnection {158		const valueObjectInstance = parentInstance.WaitForChild(name);159		assertValueObjectInstanceType(valueObjectInstance, "ObjectValue");160		return valueObjectInstance.Changed.Connect(valueChangedCallback);161	}162	public subscribeToJsonValue<T extends JsonSafe>(163		name: string,164		parentInstance: Instance,165		tCheck: t.check<T>,166		valueChangedCallback: (newValue: T) => void,167	): ISignalConnection {168		const valueObjectInstance = mustGetValueObjectInstance(name, parentInstance);169		assertValueObjectInstanceType(valueObjectInstance, "StringValue");170		const deserializeAndFireValueChangedCallback = (serializedValue: string) => {171			const deserializedValue = serializedValue === "" ? undefined : this.httpService.JSONDecode(serializedValue);172			assertValuePassesCheck(deserializedValue, tCheck);173			valueChangedCallback(deserializedValue);174		};175		return valueObjectInstance.Changed.Connect(deserializeAndFireValueChangedCallback);176	}177	public subscribeToNumberValue(178		name: string,179		parentInstance: Instance,180		valueChangedCallback: (newValue: number) => void,181	): ISignalConnection {182		const valueObjectInstance = parentInstance.WaitForChild(name);183		assertValueObjectInstanceType(valueObjectInstance, "NumberValue");184		return valueObjectInstance.Changed.Connect(valueChangedCallback);185	}186	public subscribeToRayValue(187		name: string,188		parentInstance: Instance,189		valueChangedCallback: (newValue: Ray) => void,190	): ISignalConnection {191		const valueObjectInstance = parentInstance.WaitForChild(name);192		assertValueObjectInstanceType(valueObjectInstance, "RayValue");193		return valueObjectInstance.Changed.Connect(valueChangedCallback);194	}195	public subscribeToStringValue(196		name: string,197		parentInstance: Instance,198		valueChangedCallback: (newValue: string) => void,199	): ISignalConnection {200		const valueObjectInstance = parentInstance.WaitForChild(name);201		assertValueObjectInstanceType(valueObjectInstance, "StringValue");202		return valueObjectInstance.Changed.Connect(valueChangedCallback);203	}204	public subscribeToVector3Value(205		name: string,206		parentInstance: Instance,207		valueChangedCallback: (newValue: Vector3) => void,208	): ISignalConnection {209		const valueObjectInstance = parentInstance.WaitForChild(name);210		assertValueObjectInstanceType(valueObjectInstance, "Vector3Value");211		return valueObjectInstance.Changed.Connect(valueChangedCallback);212	}213	public waitForNetworkedValueToExist(name: string, parentInstance: Instance) {214		if (this.doesNetworkedValueExist(name, parentInstance)) {215			return;216		}217		const tempSignal = this.createSignal();218		const steppedConnection = this.runService.Stepped.Connect(() => {219			if (this.doesNetworkedValueExist(name, parentInstance)) {220				steppedConnection.Disconnect();221				tempSignal.fire();222			}223		});224		tempSignal.Wait();225		tempSignal.destroy();226	}...

ReactEXT.js

Source:ReactEXT.js

1import ReactDOM from 'react-dom';2import { l } from './index'3import { reactify2 } from './reactify';4import React from 'react';5import ReactFiberReconciler from 'react-reconciler';6import invariant from 'fbjs/lib/invariant';7import emptyObject from 'fbjs/lib/emptyObject';8const UPDATE_SIGNAL = {};9const EXTRenderer = ReactFiberReconciler({10	createInstance(type, props, internalInstanceHandle) {11		let instance = null;12		const xtype = type.toLowerCase().replace(/_/g, '-')13		l(`first EXTRenderer createInstance ${xtype} (props, internalInstanceHandle, parentProps)`, props, internalInstanceHandle, internalInstanceHandle.initialConfig )14		var target = Ext.ClassManager.getByAlias(`widget.${xtype}`)15		if (target == undefined) {16			l(`****** undefined ${xtype} (props, internalInstanceHandle, parentProps)`, props, internalInstanceHandle, internalInstanceHandle.initialConfig )17			return instance18		}19		else {20			l(`EXTRenderer createInstance ${type} (props, internalInstanceHandle, parentProps)`, props, internalInstanceHandle, internalInstanceHandle.initialConfig )21			var Type = reactify2(type)22			instance =  new Type(props);23			return instance;24		}25	},26  createTextInstance(text, rootContainerInstance, internalInstanceHandle) {27//		l(`createTextInstance (text, rootContainerInstance, internalInstanceHandle)`,text, rootContainerInstance, internalInstanceHandle)28    return text;29  },30  finalizeInitialChildren(domElement, type, props) {31//		l(`finalizeInitialChildren********** ${type} (domElement, props)`,domElement, props)32    return false;33  },34  getPublicInstance(instance) {35		l(`getPublicInstance`,instance)36    return instance;37  },38  prepareForCommit() {39		l(`prepareForCommit`)40    // Noop41  },42  prepareUpdate(domElement, type, oldProps, newProps) {43		l(`prepareUpdate ${type} (domElement, oldProps, newProps)`, domElement, oldProps, newProps)44    return UPDATE_SIGNAL;45  },46  resetAfterCommit() {47		l(`resetAfterCommit`)48    // Noop49  },50  resetTextContent(domElement) {51		l(`resetTextContent**********`)52    // Noop53  },54  shouldDeprioritizeSubtree(type, props) {55		l(`shouldDeprioritizeSubtree**********`)56    return false;57  },58  getRootHostContext() {59//		l(`getRootHostContext**********`)60    return emptyObject;61  },62  getChildHostContext() {63//		l(`getChildHostContext**********`)64    return emptyObject;65  },66//  scheduleDeferredCallback: ReactDOMFrameScheduling.rIC,67  shouldSetTextContent(type, props) {68//		l(`shouldSetTextContent**********`)69    return (70      typeof props.children === 'string' || typeof props.children === 'number'71    );72  },73	appendInitialChild(parentInstance, child) {74		//		l('appendInitialChild (child.xtype, parentInstance, child)')75		//		l('parentInstance',parentInstance)76		//		l('child',child)77		if (parentInstance != null && child != null) {78			l('appendInitialChild (child.xtype, parentInstance, child)', child.xtype, parentInstance, child)79			l('appendInitialChild d', 'parent - ' + parentInstance.props.d, 'child - ' + child.props.d)80			doAdd(child.xtype, parentInstance._cmp, child)81		}82//			parentInstance._cmp.add(child._cmp) //Ext add83		// if (typeof child === 'string') {84		//   // Noop for string children of Text (eg <Text>{'foo'}{'bar'}</Text>)85		//   invariant(false, 'Text children should already be flattened.');86		//   return;87		// }88		// child.inject(parentInstance);89	},90//  now: ReactDOMFrameScheduling.now,91	now: () => {},92  useSyncScheduling: true,93  mutation: {94    appendChild(parentInstance, child) {95			l('appendChild (child.xtype, parentInstance, child)')96			if (parentInstance != null && child != null) {97				l('appendChild (child.xtype, parentInstance, child)', child.xtype, parentInstance, child)98				doAdd(child.xtype, parentInstance._cmp, child)99			}100    },101    appendChildToContainer(parentInstance, child) {102			if (parentInstance != null && child != null) {103				l('appendChildToContainer (child.xtype, parentInstance, child)', child.xtype, parentInstance, child)104				doAdd(child.xtype, parentInstance, child)105			}106			else {107				l('appendChildToContainer (null)')108			}109			// if (parentInstance._cmp != null && child != null) {110			// 	l('appendChildToContainer (child.xtype, parentInstance, child)', child.xtype, parentInstance, child)111			// 	doAdd(child.xtype, parentInstance._cmp, child)112			// }113    },114    insertBefore(parentInstance, child, beforeChild) {115			l(`insertBefore**********`)116      invariant(117        child !== beforeChild,118        'ReactEXT: Can not insert node before itself',119      );120      child.injectBefore(beforeChild);121    },122    insertInContainerBefore(parentInstance, child, beforeChild) {123			l(`insertInContainerBefore**********`)124      invariant(125        child !== beforeChild,126        'ReactExt: Can not insert node before itself',127      );128      child.injectBefore(beforeChild);129    },130    removeChild(parentInstance, child) {131			l(`removeChild (parentInstance, child)`, parentInstance, child)132			if (parentInstance != null && child != null) {133				parentInstance._cmp.remove(child._cmp, true)134			}135    },136    removeChildFromContainer(parentInstance, child) {137			l(`removeChildFromContainer (parentInstance, child)`, parentInstance, child)138			if (parentInstance != null && child != null) {139				parentInstance.remove(child._cmp, true)140			}141    },142    commitTextUpdate(textInstance, oldText, newText) {143			l(`commitTextUpdate**********`)144      // Noop145    },146    commitMount(instance, type, newProps) {147			l(`commitMount**********`)148      // Noop149    },150    commitUpdate(instance, updatePayload, type, oldProps, newProps) {151			l(`commitUpdate**********`)152//      instance._applyProps(instance, newProps, oldProps);153    },154  },155});156export default EXTRenderer157function doAdd(xtype, parentCmp, child) {158	var childCmp = child._cmp159	if (xtype == 'column') {160		l(`doAdd ${xtype}`)161		var columns = []162		var newColumns = []163		columns = parentCmp.getColumns()164		for (var item in columns) {165			newColumns.push(columns[item])166		}167		newColumns.push(childCmp)168		parentCmp.setColumns(newColumns)169	}170	else if (parentCmp.add != undefined) {171		l(`doAdd ${xtype} (parentCmp, childCmp)`, parentCmp, childCmp)172		parentCmp.add(childCmp)173//		return174		var isHTML = false175		var children = child.props.children176		if (children != undefined) {177			if (children.length == undefined) {178				var child = children179				if (child != undefined) {180					if (child != undefined) {181						if (child.type != undefined) {182							if(child.type[0] != undefined) {183								var type = child.type184								const xtype = type.toLowerCase().replace(/_/g, '-')185								var target = Ext.ClassManager.getByAlias(`widget.${xtype}`)186								if (target == undefined) {187///								if (child.type[0] != child.type[0].toUpperCase()) {188									isHTML = true189								}190								else {191									var Type = reactify2(type)192									var instance =  new Type(child.props)193								}194							}195						}196					}197				}198			}199			else {200				for (var child of children) {201					if (child != undefined) {202						if (child.type != undefined) {203							if(child.type[0] != undefined) {204								var type = child.type205								const xtype = type.toLowerCase().replace(/_/g, '-')206								var target = Ext.ClassManager.getByAlias(`widget.${xtype}`)207								if (target == undefined) {208///								if (child.type[0] != child.type[0].toUpperCase()) {209									isHTML = true210								}211								else {212									var Type = reactify2(type)213									var instance =  new Type(child.props)214								}215							}216						}217					}218				}219			}220		}221		if (isHTML) {222			var widget = Ext.create({xtype:'widget'})223			childCmp.add(widget)224			ReactDOM.render(children,widget.el.dom)225		}226	}227	else {228		l(`doAdd ${xtype} undefined...`)229	}...

renderer.js

Source:renderer.js

1/* eslint-disable */2import emptyObject from 'fbjs/lib/emptyObject'3const Reconciler = require('react-reconciler')4import { createElement, getHostContextNode } from '../utils/createElement'5const RendererHostConfig = {6	appendInitialChild(parentInstance, child) {7		if (parentInstance.appendChild) {8			parentInstance.appendChild(child)9		} else {10			parentInstance.document = child11		}12	},13	createInstance(type, props, internalInstanceHandle) {14		return createElement(type, props)15	},16	createTextInstance(text, rootContainerInstance, internalInstanceHandle) {17		return text18	},19	finalizeInitialChildren(wordElement, type, props) {20		return false21	},22	getPublicInstance(inst) {23		return inst24	},25	prepareForCommit() {26		// noop27	},28	prepareUpdate(wordElement, type, oldProps, newProps) {29		return true30	},31	resetAfterCommit() {32		// noop33	},34	resetTextContent(wordElement) {35		// Redocx does not have a text node like DOM36	},37	// If you've such use case where you need to provide data from the root instance,38	// see the below example. This may help you in creating your own custom renderer39	40	createInstance(type, props, internalInstanceHandle) {41		// 'internalInstanceHandle' is not transparent here. So use host context methods42		// to get data from roots43		return createElement(type, props)44	},45	// Use this current instance to pass data from root46	getRootHostContext(instance) {47		// getHostContextNode here updates the internal state of createElement and stores a ref to current instance48    return getHostContextNode(instance)49	},50	getChildHostContext() {51		return emptyObject52	},53	shouldSetTextContent(type, props) {54		return false // Redocx does not have a text node like DOM55	},56	now: () => {},57	useSyncScheduling: true,58	mutation: {59		appendChild(parentInstance, child) {60			if (parentInstance.appendChild) {61				parentInstance.appendChild(child)62			} else {63				parentInstance.document = child64			}65		},66		appendChildToContainer(parentInstance, child) {67			if (parentInstance.appendChild) {68				parentInstance.appendChild(child)69			} else {70				parentInstance.document = child71			}72		},73		removeChild(parentInstance, child) {74			parentInstance.removeChild(child)75		},76		removeChildFromContainer(parentInstance, child) {77			parentInstance.removeChild(child)78		},79		insertBefore(parentInstance, child, beforeChild) {80			// noob81		},82		commitUpdate(instance, updatePayload, type, oldProps, newProps) {83			// noop84		},85		commitMount(instance, updatePayload, type, oldProps, newProps) {86			// noop87		},88		commitTextUpdate(textInstance, oldText, newText) {89			textInstance.children = newText90		},91	},92}93const WordRenderer = Reconciler(RendererHostConfig)...

Using AI Code Generation

1import { MockBuilder, MockRender, ngMocks } from 'ng-mocks';2import { ParentComponent } from './parent.component';3import { ChildComponent } from './child.component';4describe('ParentComponent', () => {5  beforeEach(() => MockBuilder(ParentComponent));6  it('should create', () => {7    const fixture = MockRender(ParentComponent);8    const instance = ngMocks.parentInstance(fixture.debugElement);9    expect(instance).toBeDefined();10  });11  it('should find child component', () => {12    const fixture = MockRender(ParentComponent);13    const instance = ngMocks.parentInstance(fixture.debugElement, ChildComponent);14    expect(instance).toBeDefined();15  });16});17import { Component, OnInit } from '@angular/core';18@Component({19})20export class ParentComponent implements OnInit {21  constructor() {}22  ngOnInit() {}23}24import { Component, OnInit } from '@angular/core';25@Component({26})27export class ChildComponent implements OnInit {28  constructor() {}29  ngOnInit() {}30}31import { MockBuilder, MockRender, ngMocks } from 'ng-mocks';32import { ParentComponent } from './parent.component';33import { ChildComponent } from './child.component';34describe('ParentComponent', () => {35  beforeEach(() => MockBuilder(ParentComponent));36  it('should create', () => {37    const fixture = MockRender(ParentComponent);38    const instance = ngMocks.parentInstance(fixture.debugElement);39    expect(instance).toBeDefined();40  });41  it('should find child component', () => {42    const fixture = MockRender(ParentComponent);43    const instance = ngMocks.parentInstance(fixture.debugElement, ChildComponent);44    expect(instance).toBeDefined();45  });46});47import { Component, OnInit } from '@angular/core';48@Component({49})50export class ParentComponent implements OnInit {51  constructor() {}52  ngOnInit() {}53}54import { Component, OnInit } from '@angular/core';55@Component({

Using AI Code Generation

1import { MockBuilder, MockRender, MockInstance } from 'ng-mocks';2import { AppComponent } from './app.component';3describe('AppComponent', () => {4  beforeEach(() => MockBuilder(AppComponent));5  it('should create the app', () => {6    const fixture = MockRender(AppComponent);7    const app = fixture.point.componentInstance;8    expect(app).toBeTruthy();9  });10  it('should add 2 numbers', () => {11    const fixture = MockRender(AppComponent);12    const app = fixture.point.componentInstance;13    const result = app.add(2, 3);14    expect(result).toBe(5);15  });16  it('should call the service method', () => {17    const fixture = MockRender(AppComponent);18    const app = fixture.point.componentInstance;19    spyOn(app, 'add').and.returnValue(10);20    const result = app.callService();21    expect(result).toBe(10);22  });23  it('should call the service method using MockInstance', () => {24    const fixture = MockRender(AppComponent);25    const app = fixture.point.componentInstance;26    MockInstance(app, 'add', 10);27    const result = app.callService();28    expect(result).toBe(10);29  });30});31MockInstance(instance, methodName, returnValue, returnValueForPromise)32import { MockBuilder, MockRender, MockInstance } from 'ng-mocks';33import { AppComponent } from './app.component';34import { DataService } from './data.service';35describe('AppComponent', () => {36  beforeEach(() => MockBuilder(AppComponent).mock(DataService));37  it('should create the app', () => {38    const fixture = MockRender(AppComponent);39    const app = fixture.point.componentInstance;40    expect(app).toBeTruthy();41  });42  it('should add

Using AI Code Generation

1import { MockBuilder, MockRender, ngMocks } from 'ng-mocks';2import { AppModule } from './app.module';3import { AppComponent } from './app.component';4import { MyService } from './my.service';5describe('AppComponent', () => {6  beforeEach(() => MockBuilder(AppComponent, AppModule));7  it('should create the app', () => {8    const fixture = MockRender(AppComponent);9    const app = ngMocks.parentInstance(fixture.debugElement, AppComponent);10    expect(app).toBeTruthy();11  });12  it('should have as title "app"', () => {13    const fixture = MockRender(AppComponent);14    const app = ngMocks.parentInstance(fixture.debugElement, AppComponent);15    expect(app.title).toEqual('app');16  });17  it('should render title', () => {18    const fixture = MockRender(AppComponent);19    const app = ngMocks.parentInstance(fixture.debugElement, AppComponent);20    expect(fixture.nativeElement.querySelector('h1').textContent).toContain(21    );22  });23  it('should render title from the provided service', () => {24    const fixture = MockRender(AppComponent);25    const service = ngMocks.findInstance(MyService);26    expect(fixture.nativeElement.querySelector('h1').textContent).toContain(27    );28  });29});

Using AI Code Generation

1import { parentInstance } from 'ng-mocks';2import { MockBuilder, MockRender } from 'ng-mocks';3describe('parentInstance', () => {4  beforeEach(() => MockBuilder(MyComponent));5  it('should get the parent instance', () => {6    const fixture = MockRender(`7    `);8    const component = parentInstance(fixture.point.componentInstance);9    expect(component).toBeDefined();10  });11});12import { Component } from '@angular/core';13@Component({14})15export class MyComponent {}16import { MockBuilder, MockRender } from 'ng-mocks';17import { MyComponent } from './my-component';18describe('MyComponent', () => {19  beforeEach(() => MockBuilder(MyComponent));20  it('should create', () => {21    const fixture = MockRender(MyComponent);22    expect(fixture.point.componentInstance).toBeDefined();23  });24});25import { Component } from '@angular/core';26@Component({27})28export class MyComponent {}29import { MockBuilder, MockRender } from 'ng-mocks';30import { MyComponent } from './my-component';31describe('MyComponent', () => {32  beforeEach(() => MockBuilder(MyComponent));33  it('should create', () => {34    const fixture = MockRender(MyComponent);35    expect(fixture.point.componentInstance).toBeDefined();36  });37});38import { Component } from '@angular/core';39@Component({40})41export class MyComponent {}42import { MockBuilder, MockRender } from 'ng-mocks';43import { MyComponent } from './my-component';44describe('MyComponent', () => {45  beforeEach(() => MockBuilder(MyComponent));46  it('should create', () => {47    const fixture = MockRender(MyComponent);48    expect(fixture.point.componentInstance).toBeDefined();49  });50});51import { Component } from '@angular/core';52@Component({

Using AI Code Generation

1import { parentInstance } from 'ng-mocks';2@Component({3})4export class TestComponent {5  constructor() { }6}7import { parentInstance } from 'ng-mocks';8@Component({9})10export class TestChildComponent {11  constructor() {12    const parent = parentInstance(this);13  }14}

Using AI Code Generation

1import { parentInstance } from 'ng-mocks';2@Component({3})4export class ChildComponent {5  constructor() {6    console.log(parentInstance(ChildComponent));7  }8}9@Component({10})11export class ParentComponent {}12import { MockBuilder, MockRender } from 'ng-mocks';13describe('ParentComponent', () => {14  beforeEach(() => MockBuilder(ParentComponent));15  it('should create', () => {16    const fixture = MockRender(ParentComponent);17    expect(fixture.point.componentInstance).toBeTruthy();18  });19});20parentInstance()21parentInstance()

Using AI Code Generation

1import { parentInstance } from 'ng-mocks';2const fixture = MockRender(`3`);4const parent = parentInstance(fixture.debugElement.query(By.css('#child')));5expect(parent).toBeDefined();6expect(parent.nativeElement).toBeDefined();7expect(parent.nativeElement.tagName).toEqual('DIV');

Using AI Code Generation

1import { parentInstance } from 'ng-mocks';2import { TestBed } from '@angular/core/testing';3import { AppModule } from './app.module';4import { ChildComponent } from './child.component';5import { ParentComponent } from './parent.component';6describe('parentInstance', () => {7  beforeEach(() => TestBed.configureTestingModule({ imports: [AppModule] }));8  it('finds parent instance', () => {9    const parent = parentInstance(ChildComponent);10    expect(parent).toBeInstanceOf(ParentComponent);11  });12});13import { Component } from '@angular/core';14import { ChildComponent } from './child.component';15@Component({16})17export class ParentComponent {18  @ViewChild(ChildComponent, { static: true })19  public child: ChildComponent;20}21import { Component } from '@angular/core';22@Component({23})24export class ChildComponent {}25import { NgModule } from '@angular/core';26import { ChildComponent } from './child.component';27import { ParentComponent } from './parent.component';28@NgModule({29})30export class AppModule {}31import { Component } from '@angular/core';32import { ParentComponent } from './parent.component';33@Component({34})35export class AppComponent {36  @ViewChild(ParentComponent, { static: true })37  public parent: ParentComponent;38}

Using AI Code Generation

1import { parentInstance } from 'ng-mocks';2const fixture = MockRender(`3`);4const child = fixture.debugElement.query(By.css('.child'));5const parent = parentInstance(child);6console.log(parent);7import { getClosest } from 'ng-mocks';8const fixture = MockRender(`9`);10const child = fixture.debugElement.query(By.css('.child'));11const parent = getClosest(child, TestComponent);12console.log(parent);13import { closest } from 'ng-mocks';14const fixture = MockRender(`15`);16const child = fixture.debugElement.query(By.css('.child'));17const parent = closest(child, TestComponent);18console.log(parent);19import { getClosest } from 'ng-mocks';20const fixture = MockRender(`21`);22const child = fixture.debugElement.query(By.css('.child'));23const parent = getClosest(child, TestComponent);24console.log(parent);

Using AI Code Generation

1import {parentInstance} from 'ng-mocks';2const mockParent = {3  someMethod() {4    console.log('someMethod called!');5  }6};7const mockChild = {8  someMethod() {9    console.log('someMethod called!');10  }11};12describe('MockingParentComponent', () => {13  let fixture: ComponentFixture<MockingParentComponent>;14  let component: MockingParentComponent;15  beforeEach(async(() => {16    TestBed.configureTestingModule({17        {provide: MockingParentComponent, useValue: mockParent},18        {provide: MockingChildComponent, useValue: mockChild}19    }).compileComponents();20  }));21  beforeEach(() => {22    fixture = TestBed.createComponent(MockingParentComponent);23    component = fixture.componentInstance;24  });25  it('should call parent component method', () => {26    const spy = spyOn(component, 'someMethod');27    fixture.detectChanges();28    expect(spy).toHaveBeenCalled();29  });30  it('should call parent component method using parentInstance', () => {31    const spy = spyOn(parentInstance(fixture, MockingParentComponent), 'someMethod');32    fixture.detectChanges();33    expect(spy).toHaveBeenCalled();34  });35  it('should call child component method', () => {36    const spy = spyOn(component.childComponent, 'someMethod');37    fixture.detectChanges();38    expect(spy).toHaveBeenCalled();39  });40  it('should call child component method using parentInstance', () => {41    const spy = spyOn(parentInstance(fixture, MockingChildComponent), 'someMethod');42    fixture.detectChanges();43    expect(spy).toHaveBeenCalled();44  });45});46import { Component, OnInit } from '@angular/core';47import { MockingChildComponent } from '../mocking-child/mocking-child.component';48@Component({49})50export class MockingParentComponent implements OnInit {51  public childComponent: MockingChildComponent;52  constructor() { }53  ngOnInit() {54    this.childComponent = new MockingChildComponent();55  }56  public someMethod() {57    console.log('someMethod called!');58  }59}60import { Component, OnInit } from '@

Automation Testing Tutorials

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