How to use vcrInstance method in ng-mocks

Best JavaScript code snippet using ng-mocks

ng-mocks-global-overrides.ts

Source:ng-mocks-global-overrides.ts

1import { ViewContainerRef } from '@angular/core';2import { getTestBed, MetadataOverride, TestBed, TestBedStatic, TestModuleMetadata } from '@angular/core/testing';3import funcExtractTokens from '../mock-builder/func.extract-tokens';4import getOverrideDef from '../mock-builder/promise/get-override-def';5import { ngMocks } from '../mock-helper/mock-helper';6import mockHelperFasterInstall from '../mock-helper/mock-helper.faster-install';7import { MockProvider } from '../mock-provider/mock-provider';8import helperCreateClone from '../mock-service/helper.create-clone';9import coreConfig from './core.config';10import coreDefineProperty from './core.define-property';11import { flatten, mapEntries, mapValues } from './core.helpers';12import coreInjector from './core.injector';13import coreReflectMeta from './core.reflect.meta';14import coreReflectModuleResolve from './core.reflect.module-resolve';15import coreReflectProvidedIn from './core.reflect.provided-in';16import { NG_MOCKS, NG_MOCKS_TOUCHES } from './core.tokens';17import { AnyType, dependencyKeys } from './core.types';18import funcGetProvider from './func.get-provider';19import { isNgDef } from './func.is-ng-def';20import { isNgModuleDefWithProviders } from './func.is-ng-module-def-with-providers';21import ngMocksUniverse from './ng-mocks-universe';22const applyOverride = (def: any, override: any) => {23  if (isNgDef(def, 'c')) {24    TestBed.overrideComponent(def, override);25  } else if (isNgDef(def, 'd')) {26    TestBed.overrideDirective(def, override);27  } else if (isNgDef(def, 'm')) {28    TestBed.overrideModule(def, override);29  }30  if (isNgDef(def, 't')) {31    TestBed.overrideProvider(def, override);32  } else if (isNgDef(def, 'i')) {33    TestBed.overrideProvider(def, override);34  }35};36const applyOverrides = (overrides: Map<AnyType<any>, [MetadataOverride<any>, MetadataOverride<any>]>): void => {37  for (const [def, [override, original]] of mapEntries(overrides)) {38    (TestBed as any).ngMocksOverrides.set(def, {39      ...original,40      override,41    });42    applyOverride(def, override);43  }44};45// Thanks Ivy and its TestBed.override - it does not clean up leftovers.46const applyNgMocksOverrides = (testBed: TestBedStatic & { ngMocksOverrides?: Map<any, any> }): void => {47  if (testBed.ngMocksOverrides?.size) {48    ngMocks.flushTestBed();49    for (const [def, original] of mapEntries(testBed.ngMocksOverrides)) {50      applyOverride(def, original);51    }52  }53  testBed.ngMocksOverrides = undefined;54};55const initTestBed = () => {56  if (!(TestBed as any).ngMocksSelectors) {57    coreDefineProperty(TestBed, 'ngMocksSelectors', new Map());58  }59  // istanbul ignore else60  if (!(TestBed as any).ngMocksOverrides) {61    coreDefineProperty(TestBed, 'ngMocksOverrides', new Map());62  }63};64const generateTouches = (moduleDef: Partial<Record<dependencyKeys, any>>, touches: Set<any>): void => {65  for (const key of coreConfig.dependencies) {66    for (const item of moduleDef[key] ? flatten(moduleDef[key]) : []) {67      let def = funcGetProvider(item);68      if (isNgModuleDefWithProviders(def)) {69        generateTouches(def, touches);70        def = def.ngModule;71      }72      if (touches.has(def)) {73        continue;74      }75      touches.add(def);76      if (typeof def !== 'function') {77        continue;78      }79      if (!Object.prototype.hasOwnProperty.call(def, '__ngMocksTouches')) {80        const local = new Set<any>();81        const meta = coreReflectMeta(def);82        coreDefineProperty(def, '__ngMocksTouches', local, false);83        if (meta) {84          generateTouches(meta, local);85        }86      }87      mapValues(def.__ngMocksTouches, touches);88    }89  }90};91const defineTouches = (testBed: TestBed, moduleDef: TestModuleMetadata, knownTouches?: Set<any>) => {92  let touches = knownTouches;93  if (!touches && ngMocksUniverse.getDefaults().size > 0) {94    touches = funcExtractTokens(95      (testBed as any)._providers || /* istanbul ignore next Ivy part */ (testBed as any)._compiler?.providers,96    ).touches;97    if (!touches) {98      touches = new Set();99      moduleDef.providers = moduleDef.providers || [];100      moduleDef.providers.push({ provide: NG_MOCKS_TOUCHES, useValue: touches });101    }102    generateTouches(moduleDef, touches);103  }104  return touches;105};106const applyPlatformOverrideDef = (def: any) => {107  const ngModule = isNgModuleDefWithProviders(def) ? /* istanbul ignore next */ def.ngModule : def;108  if ((TestBed as any).ngMocksOverrides.has(ngModule)) {109    return;110  }111  const original = coreReflectModuleResolve(ngModule);112  const set = getOverrideDef(original);113  if (set) {114    (TestBed as any).ngMocksOverrides.set(ngModule, { set: original });115    TestBed.overrideModule(ngModule, { set });116  }117};118const applyPlatformOverridesBasedOnProvidedIn = (provide: any, touches: Set<any>) => {119  const providedIn = coreReflectProvidedIn(provide);120  if (!providedIn) {121    return;122  }123  // knownTouches present from MockBuilder and we can rely on it,124  // otherwise we have to override the provider always.125  if (typeof providedIn !== 'string' && !touches.has(providedIn)) {126    return;127  }128  (TestBed as any).ngMocksOverrides.set(provide, {});129  TestBed.overrideProvider(provide, MockProvider(provide as never));130};131const applyPlatformOverridesBasedOnDefaults = (touches: Set<any>) => {132  for (const [provide, [config]] of mapEntries(ngMocksUniverse.getDefaults())) {133    if (config !== 'mock') {134      continue;135    }136    if (!isNgDef(provide, 'i') && !isNgDef(provide, 't')) {137      continue;138    }139    if (touches.has(provide)) {140      continue;141    }142    if ((TestBed as any).ngMocksOverrides.has(provide)) {143      continue;144    }145    applyPlatformOverridesBasedOnProvidedIn(provide, touches);146  }147};148const applyPlatformOverrides = (testBed: TestBed, touches: Set<any>) => {149  // istanbul ignore else150  if ((TestBed as any).ngMocksOverrides) {151    const backup = ngMocksUniverse.touches;152    ngMocksUniverse.touches = touches;153    for (const def of flatten(testBed.ngModule || /* istanbul ignore next */ [])) {154      applyPlatformOverrideDef(def);155    }156    applyPlatformOverridesBasedOnDefaults(touches);157    ngMocksUniverse.touches = backup;158  }159};160const configureTestingModule =161  (162    original: TestBedStatic['configureTestingModule'],163    instance: TestBedStatic,164  ): TestBedStatic['configureTestingModule'] =>165  (moduleDef: TestModuleMetadata) => {166    initTestBed();167    const testBed = getTestBed();168    const providers = funcExtractTokens(moduleDef.providers);169    const { mocks, overrides } = providers;170    // touches are important,171    // therefore we are trying to fetch them from the known providers.172    const touches = defineTouches(testBed, moduleDef, providers.touches);173    if (mocks) {174      ngMocks.flushTestBed();175    }176    // istanbul ignore else177    if (overrides) {178      applyOverrides(overrides);179    }180    // _testModuleRef exists only after the 1st call,181    // so we shouldn't override platform again.182    if (touches && !(testBed as any)._instantiated && !(testBed as any)._testModuleRef) {183      applyPlatformOverrides(testBed, touches);184    }185    return original.call(instance, moduleDef);186  };187const resetTestingModule =188  (original: TestBedStatic['resetTestingModule'], instance: TestBedStatic): TestBedStatic['resetTestingModule'] =>189  () => {190    ngMocksUniverse.global.delete('builder:config');191    ngMocksUniverse.global.delete('builder:module');192    (TestBed as any).ngMocksSelectors = undefined;193    applyNgMocksOverrides(TestBed);194    return original.call(instance);195  };196const viewContainerInstall = () => {197  const vcr: any = ViewContainerRef;198  // istanbul ignore else199  if (!vcr.ngMocksOverridesInstalled) {200    const ngElementId = vcr.__NG_ELEMENT_ID__;201    // istanbul ignore else202    if (ngElementId) {203      coreDefineProperty(204        vcr,205        '__NG_ELEMENT_ID__',206        helperCreateClone(ngElementId, undefined, undefined, (...ngElementIdArgs: any[]) => {207          const vcrInstance = ngElementId.apply(ngElementId, ngElementIdArgs);208          const createComponent = vcrInstance.createComponent;209          coreDefineProperty(210            vcrInstance,211            'createComponent',212            helperCreateClone(213              createComponent,214              undefined,215              undefined,216              (component: any, ...createComponentArgs: any[]) => {217                const map = coreInjector(NG_MOCKS, vcrInstance.injector);218                return createComponent.apply(vcrInstance, [219                  map?.get(component) ?? component,220                  ...createComponentArgs,221                ] as any);222              },223            ),224            true,225          );226          return vcrInstance;227        }),228        true,229      );230    }231    coreDefineProperty(ViewContainerRef, 'ngMocksOverridesInstalled', true);232  }233};234const install = () => {235  // istanbul ignore else236  if (!(TestBed as any).ngMocksOverridesInstalled) {237    const hooks = mockHelperFasterInstall();238    viewContainerInstall();239    // istanbul ignore else240    if (hooks.before.indexOf(configureTestingModule) === -1) {241      hooks.before.push(configureTestingModule);242    }243    // istanbul ignore else244    if (hooks.after.indexOf(resetTestingModule) === -1) {245      hooks.after.push(resetTestingModule);246    }247    coreDefineProperty(TestBed, 'ngMocksOverridesInstalled', true);248  }249};...

Using AI Code Generation

1import { vcrInstance } from 'ng-mocks';2describe('TestComponent', () => {3  let component: TestComponent;4  let fixture: ComponentFixture<TestComponent>;5  beforeEach(async(() => {6    TestBed.configureTestingModule({7    }).compileComponents();8  }));9  beforeEach(() => {10    fixture = TestBed.createComponent(TestComponent);11    component = fixture.componentInstance;12    fixture.detectChanges();13  });14  it('should create', () => {15    expect(component).toBeTruthy();16  });17  it('should have a button', () => {18    const button = vcrInstance(fixture.debugElement.query(By.css('button')));19    expect(button).toBeDefined();20  });21});22import { Component, OnInit } from '@angular/core';23import { FormGroup, FormControl } from '@angular/forms';24@Component({25})26export class TestComponent implements OnInit {27  testForm: FormGroup;28  constructor() { }29  ngOnInit() {30    this.testForm = new FormGroup({31      date: new FormControl()32    });33  }34}35import { Component, OnInit } from '@angular/core';36import { FormBuilder, FormGroup, Validators } from '@angular/forms';37import { Router } from '@angular/router';38import { UsersService } from '../users.service';39@Component({

Using AI Code Generation

1import {vcrInstance} from 'ng-mocks';2describe('TestComponent', () => {3  let component: TestComponent;4  let fixture: ComponentFixture<TestComponent>;5  beforeEach(async(() => {6    TestBed.configureTestingModule({7    })8    .compileComponents();9  }));10  beforeEach(() => {11    fixture = TestBed.createComponent(TestComponent);12    component = fixture.componentInstance;13    fixture.detectChanges();14  });15  it('should create', () => {16    const vcr = vcrInstance(fixture, TestComponent, 0);17    expect(vcr).toBeTruthy();18  });19});20import { Component, ViewContainerRef } from '@angular/core';21@Component({22})23export class TestComponent {24  constructor(public vcr: ViewContainerRef) {}25}

Using AI Code Generation

1import { vcrInstance } from 'ng-mocks';2import { TestBed, ComponentFixture } from '@angular/core/testing';3import { Component } from '@angular/core';4import { ChildComponent } from './child.component';5@Component({6})7class ParentComponent { }8describe('ParentComponent', () => {9  let fixture: ComponentFixture<ParentComponent>;10  let childComponent: ChildComponent;11  beforeEach(() => {12    TestBed.configureTestingModule({13    });14    fixture = TestBed.createComponent(ParentComponent);15    childComponent = vcrInstance(fixture, ChildComponent);16  });17  it('should create the app', () => {18    expect(childComponent).toBeTruthy();19  });20});21import { Component } from '@angular/core';22@Component({23})24export class ChildComponent { }25import { ChildComponent } from './child.component';26import { vcrInstance } from 'ng-mocks';27describe('ChildComponent', () => {28  let childComponent: ChildComponent;29  beforeEach(() => {30    childComponent = new ChildComponent();31  });32  it('should create the app', () => {33    expect(childComponent).toBeTruthy();34  });35});

Using AI Code Generation

1import { vcrInstance } from 'ng-mocks';2import { vcrInstance } from 'ng-mocks';3import { vcrInstance } from 'ng-mocks';4import { vcrInstance } from 'ng-mocks';5import { vcrInstance } from 'ng-mocks';6import { vcrInstance } from 'ng-mocks';7import { vcrInstance } from 'ng-mocks';8import { vcrInstance } from 'ng-mocks';9import { vcrInstance } from 'ng-mocks';10import { vcrInstance } from 'ng-mocks';11import { vcrInstance } from 'ng-mocks';12import { vcrInstance } from 'ng-mocks';13import { vcrInstance } from 'ng-mocks';14import { vcrInstance } from 'ng-mocks';15import { vcrInstance } from 'ng-mocks';16import { vcrInstance } from 'ng-mocks';17import { vcrInstance } from 'ng-mocks';18import { vcrInstance } from 'ng-mocks';

Using AI Code Generation

1import vcrInstance from 'ng-mocks/dist/vcr-instance';2import vcrInstance from 'ng-mocks/dist/vcr-instance';3import vcrInstance from 'ng-mocks/dist/vcr-instance';4import vcrInstance from 'ng-mocks/dist/vcr-instance';5import vcrInstance from 'ng-mocks/dist/vcr-instance';6import vcrInstance from 'ng-mocks/dist/vcr-instance';7import vcrInstance from 'ng-mocks/dist/vcr-instance';8import vcrInstance from 'ng-mocks/dist/vcr-instance';9import vcrInstance from 'ng-mocks/dist/vcr-instance';10import vcrInstance from 'ng-mocks/dist/vcr-instance';11import vcrInstance from 'ng-mocks/dist/vcr-instance';12import vcrInstance from 'ng-mocks/dist/vcr-instance';13import vcrInstance from 'ng-mocks/dist/vcr-instance';14import vcrInstance from 'ng-mocks/dist/vcr-instance';15import vcrInstance from 'ng-mocks/dist/vcr-instance';16import vcrInstance from 'ng-mocks/dist/vcr-instance';17import vcrInstance from 'ng-mocks/dist/vcr-instance';

Using AI Code Generation

1const vcrInstance = ngMocks.vcrInstance(fixture, MyComponent);2const vcrInstance = ngMocks.vcrInstance(fixture, MyComponent);3const vcrInstance = ngMocks.vcrInstance(fixture, MyComponent);4const vcrInstance = ngMocks.vcrInstance(fixture, MyComponent);5const vcrInstance = ngMocks.vcrInstance(fixture, MyComponent);6const vcrInstance = ngMocks.vcrInstance(fixture, MyComponent);7const vcrInstance = ngMocks.vcrInstance(fixture, MyComponent);8const vcrInstance = ngMocks.vcrInstance(fixture, MyComponent);9const vcrInstance = ngMocks.vcrInstance(fixture, MyComponent);10const vcrInstance = ngMocks.vcrInstance(fixture, MyComponent);11const vcrInstance = ngMocks.vcrInstance(fixture, MyComponent);

Using AI Code Generation

1import { vcrInstance } from 'ng-mocks';2import { Component } from '@angular/core';3import { TestBed } from '@angular/core/testing';4import { ComponentFixture } from '@angular/core/testing';5import { async } from '@angular/core/testing';6import { fakeAsync } from '@angular/core/testing';7import { tick } from '@angular/core/testing';8describe('test', () => {9  let fixture: ComponentFixture<TestComponent>;10  let component: TestComponent;11  beforeEach(async(() => {12    TestBed.configureTestingModule({13    }).compileComponents();14  }));15  beforeEach(() => {16    fixture = TestBed.createComponent(TestComponent);17    component = fixture.componentInstance;18    fixture.detectChanges();19  });20  it('should test', fakeAsync(() => {21    const vcr = vcrInstance(fixture, TestComponent);22    vcr.detectChanges();23    tick();24    expect(vcr).toBeDefined();25  }));26});27import { Component, ViewChild, ViewContainerRef } from '@angular/core';28@Component({29})30export class TestComponent {31  @ViewChild('container', { read: ViewContainerRef })32  public container: ViewContainerRef;33}34.test {35  background-color: blue;36}37import { vcrInstance } from 'ng-mocks';

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