How to use mockClass method in ng-mocks

Best JavaScript code snippet using ng-mocks

state.spec.ts

Source:state.spec.ts

1/*2Licensed under the Apache License, Version 2.0 (the "License");3you may not use this file except in compliance with the License.4You may obtain a copy of the License at5http://www.apache.org/licenses/LICENSE-2.06Unless required by applicable law or agreed to in writing, software7distributed under the License is distributed on an "AS IS" BASIS,8WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.9See the License for the specific language governing permissions and10limitations under the License.11*/12import * as chai from 'chai';13import 'reflect-metadata';14import * as sinon from 'sinon';15import * as sinonChai from 'sinon-chai';16import { HistoricState, State } from './state';17// tslint:disable:max-classes-per-file18const should = chai.should();19chai.use(sinonChai);20describe ('#State', () => {21    let sandbox: sinon.SinonSandbox;22    beforeEach(() => {23        sandbox = sinon.createSandbox();24    });25    afterEach(() => {26        sandbox.restore();27    });28    describe ('serialize', () => {29        it ('should create buffer from JSON serialized object', () => {30            State.serialize({some: 'object'}).should.deep.equal(Buffer.from('{"some":"object"}'));31        });32    });33    describe ('deserialize', () => {34        it ('should throw an error if class not found', () => {35            const classMap = new Map();36            classMap.set('some class name', 'some class');37            (() => {38                State.deserialize(Buffer.from('{"some":"object","class":"unknown class"}'), classMap);39            }).should.throw('Unknown class of unknown class');40        });41        it ('should return call constructor', () => {42            const classMap = new Map();43            classMap.set('some class name', 'some class');44            const callConstructorStub = sandbox.stub(State as any, 'callConstructor').returns('something');45            State.deserialize(46                Buffer.from('{"some":"object","class":"some class name"}'), classMap,47            ).should.deep.equal('something');48            callConstructorStub.should.have.been.calledOnceWithExactly('some class', {49                class: 'some class name',50                some: 'object',51            });52        });53    });54    describe ('makeKey', () => {55        it ('should join the key parts with a colon', () => {56            State.makeKey(['some', 'key', 'parts']).should.deep.equal('some:key:parts');57        });58    });59    describe ('splitKey', () => {60        it ('should split the key parts on a colon', () => {61            State.splitKey('some:key:parts').should.deep.equal(['some', 'key', 'parts']);62        });63    });64    describe ('callConstructor', () => {65        it ('should throw an error if class is not instance of state', () => {66            class MockClass {}67            (() => {68                (State as any).callConstructor(MockClass, {some: 'object'});69            }).should.throw('Cannot use MockClass as type State');70        });71        it ('should throw an error if json is missing param name found in the constructor', () => {72            class MockClass extends State {73                constructor(property1: string, property2: string) {74                    super('mockClass', ['key', 'parts']);75                }76            }77            (() => {78                (State as any).callConstructor(MockClass, {some: 'object'});79            }).should.throw('Could not deserialize JSON. Missing required fields. ["property1","property2"]');80        });81        it ('should create new instance of the class passed', () => {82            class MockClass extends State {83                public property1: string;84                public property2: string;85                constructor(property1: string, property2: string) {86                    super('mockClass', ['key', 'parts']);87                    this.property1 = property1;88                    this.property2 = property2;89                }90            }91            const mockClass = (State as any).callConstructor(92                MockClass, {some: 'object', property1: 'some property', property2: 'some other property'},93            );94            // tslint:disable-next-line:no-unused-expression95            (mockClass instanceof MockClass).should.be.true;96            mockClass.property1.should.deep.equal('some property');97            mockClass.property2.should.deep.equal('some other property');98        });99        it ('should use metadata when set', () => {100            class MockClass extends State {101                public property1: string;102                public property2: string;103                constructor(property1: string, property2: string) {104                    super('mockClass', ['key', 'parts']);105                    this.property1 = property1;106                    this.property2 = property2;107                }108            }109            Reflect.defineMetadata(110                'contract:function', ['property1', 'property2', 'property3'], MockClass.prototype, 'constructor',111            );112            (() => {113                (State as any).callConstructor(114                    MockClass, {some: 'object', property1: 'some property', property2: 'some other property'},115                );116            }).should.throw('Could not deserialize JSON. Missing required fields. ["property3"]');117        });118        it ('should handle optional properties', () => {119            class MockClass extends State {120                public property1: string;121                public property2: string;122                constructor(property1: string, property2?: string) {123                    super('mockClass', ['key', 'parts']);124                    this.property1 = property1;125                    if (property2) {126                        this.property2 = 'was set';127                    }128                }129            }130            Reflect.defineMetadata(131                'contract:function', ['property1', 'property2?'], MockClass.prototype, 'constructor',132            );133            const mockClass = (State as any).callConstructor(134                MockClass, {some: 'object', property1: 'some property'},135            );136            // tslint:disable-next-line:no-unused-expression137            (mockClass instanceof MockClass).should.be.true;138            mockClass.property1.should.deep.equal('some property');139            should.equal(mockClass.property2, undefined);140            const mockClass2 = (State as any).callConstructor(141                MockClass, {some: 'object', property1: 'some property', property2: 'hello'},142            );143            // tslint:disable-next-line:no-unused-expression144            (mockClass2 instanceof MockClass).should.be.true;145            mockClass2.property1.should.deep.equal('some property');146            mockClass2.property2.should.deep.equal('was set');147        });148    });149    describe ('getClass', () => {150        it ('should return the class', () => {151            const state = new State('some class', ['key', 'parts']);152            state.getClass().should.deep.equal('some class');153        });154    });155    describe ('getKey', () => {156        it ('should return the key', () => {157            sandbox.stub(State, 'makeKey').returns('some:joined:key');158            const state = new State('some class', ['key', 'parts']);159            state.getKey().should.deep.equal('some:joined:key');160        });161    });162    describe ('getSplitKey', () => {163        it ('should return split key', () => {164            sandbox.stub(State, 'makeKey').returns('some:joined:key');165            const staticSplit = sandbox.stub(State, 'splitKey').returns(['some', 'split', 'key']);166            const state = new State('some class', ['key', 'parts']);167            state.getSplitKey().should.deep.equal(['some', 'split', 'key']);168            staticSplit.should.have.been.calledOnceWithExactly('some:joined:key');169        });170    });171    describe ('serialize', () => {172        it ('should return serialized state', () => {173            const expected = Buffer.from(JSON.stringify({some: 'serialized', object: 'woo'}));174            const staticSerialize = sandbox.stub(State, 'serialize').returns(expected);175            const state = new State('some class', ['key', 'parts']);176            state.serialize().should.deep.equal(expected);177            staticSerialize.should.have.been.calledOnceWithExactly(state);178        });179    });180});181describe ('#HistoricState', () => {182    class MockClass {183        // tslint:disable-next-line:no-empty184        constructor() {}185        public serialize(): Buffer {186            return Buffer.from('some value');187        }188    }189    let sandbox: sinon.SinonSandbox;190    beforeEach(() => {191        sandbox = sinon.createSandbox();192    });193    afterEach(() => {194        sandbox.restore();195    });196    describe ('constructor', () => {197        it ('should set values', () => {198            const mockClass = new MockClass();199            const historicState = new HistoricState(12345, 'some tx id', mockClass as any);200            historicState.timestamp.should.deep.equal(12345);201            historicState.txId.should.deep.equal('some tx id');202            historicState.value.should.deep.equal(mockClass);203        });204    });205    describe ('serialize', () => {206        it ('should serialize its data and use serialized data from value', () => {207            const mockClass = new MockClass();208            const expectedSerializedValue = Buffer.from(JSON.stringify({some: 'object'}));209            const serializeStub = sandbox.stub(mockClass, 'serialize').returns(expectedSerializedValue);210            const historicState = new HistoricState(12345, 'some tx id', mockClass as any);211            const expectedSerialized = Buffer.from(JSON.stringify({212                timestamp: 12345,213                txId: 'some tx id',214                value: {215                    some: 'object',216                },217            }));218            historicState.serialize().should.deep.equal(expectedSerialized);219            serializeStub.should.have.been.calledOnceWithExactly();220        });221    });...

external-call-service.test.js

Source:external-call-service.test.js

1describe('helpers.ExternalCallService', function() {2    var Service;3    var $q, $rootScope;4    var MESSAGE_EXTERNAL_METHOD_ERROR,5        MESSAGE_EXTERNAL_METHOD_INVALID_RETURN;6    // load module7    beforeEach(function() {8        module('AngularDynamicForm');9    });10    // inject services (that we want to test)11    beforeEach(inject(function($injector) {12        Service = $injector.get('AngularDynamicForm.helpers.ExternalCallService');13        $q = $injector.get('$q');14        $rootScope = $injector.get('$rootScope');15        MESSAGE_EXTERNAL_METHOD_ERROR             = $injector.get('MESSAGE_EXTERNAL_METHOD_ERROR');16        MESSAGE_EXTERNAL_METHOD_INVALID_RETURN    = $injector.get('MESSAGE_EXTERNAL_METHOD_INVALID_RETURN');17    }));18    //--------------------------------------------19    // callExternalMethod20    //--------------------------------------------21    describe('callExternalMethod', function() {22        it('should call method', function() {23            var MockClass = {24                mockMethod: function() {}25            };26            spyOn(MockClass, 'mockMethod').and.returnValue(true);27            Service.callExternalMethod(MockClass.mockMethod);28            expect(MockClass.mockMethod).toHaveBeenCalled();29        });30        it('should call method with provided args', function() {31            var MockClass = {32                mockMethod: function() {}33            };34            spyOn(MockClass, 'mockMethod').and.returnValue(true);35            Service.callExternalMethod(MockClass.mockMethod, ['A']);36            expect(MockClass.mockMethod).toHaveBeenCalledWith(['A']);37        });38        it('should throw an Error if method throws an error', function() {39            var MockClass = {40                mockMethod: function() {}41            };42            spyOn(MockClass, 'mockMethod').and.throwError('');43            expect(function() { Service.callExternalMethod(MockClass.mockMethod); }).toThrowError(MESSAGE_EXTERNAL_METHOD_ERROR);44        });45        it('should throw an Error if method does not return', function() {46            var MockClass = {47                mockMethod: function() {}48            };49            spyOn(MockClass, 'mockMethod');50            expect(function() { Service.callExternalMethod(MockClass.mockMethod); }).toThrowError(MESSAGE_EXTERNAL_METHOD_INVALID_RETURN);51        });52        it('should throw an Error if method returns neither boolean nor promise', function() {53            var MockClass = {54                mockMethod: function() {}55            };56            spyOn(MockClass, 'mockMethod').and.returnValue('adsadsa');57            expect(function() { Service.callExternalMethod(MockClass.mockMethod); }).toThrowError(MESSAGE_EXTERNAL_METHOD_INVALID_RETURN);58        });59        it('should resolve if successful', function() {60            var MockClass = {61                mockMethod: function() {}62            };63            spyOn(MockClass, 'mockMethod').and.returnValue({64                then: function(resolve) {65                    resolve('my response');66                }67            });68            var result;69            Service.callExternalMethod(MockClass.mockMethod).then(function(response) {70                result = response;71            });72            $rootScope.$apply();73            expect(result).toBe('my response');74        });75        it('should reject on failure', function() {76            var MockClass = {77                mockMethod: function() {}78            };79            spyOn(MockClass, 'mockMethod').and.returnValue({80                then: function(resolve, reject) {81                    reject('my response');82                }83            });84            var result;85            Service.callExternalMethod(MockClass.mockMethod).then(null, function(response) {86                result = response;87            });88            $rootScope.$apply();89            expect(result).toBe('my response');90        });91        it('should resolve if method returns true', function() {92            var MockClass = {93                mockMethod: function() {}94            };95            spyOn(MockClass, 'mockMethod').and.returnValue(true);96            var result;97            Service.callExternalMethod(MockClass.mockMethod).then(function(response) {98                result = response;99            });100            $rootScope.$apply();101            expect(result).toBe(undefined);102        });103        it('should reject if method returns false', function() {104            var MockClass = {105                mockMethod: function() {}106            };107            spyOn(MockClass, 'mockMethod').and.returnValue(false);108            var result;109            Service.callExternalMethod(MockClass.mockMethod).then(null, function(response) {110                result = response;111            });112            $rootScope.$apply();113            expect(result).toBe(undefined);114        });115    });...

_objectStore.test.ts

Source:_objectStore.test.ts

1import { expect } from "chai";2import { Identifiable } from "./../../interfaces/identifiable";3import { ObjectStore } from "./../objectStore";4class MockClass implements Identifiable {5  public constructor(public Uid: number, public Label?: string) {}6}7describe("ObjectStore", () => {8  describe("constructor", () => {9    it("should take a list of identifiables as argument and build the lookup dictionary", () => {10      const data = [new MockClass(1), new MockClass(2)];11      const objectStore = new ObjectStore(data);12      expect(objectStore.GetDict()).to.deep.eq({13        1: new MockClass(1),14        2: new MockClass(2),15      });16    });17    it("should throw error if the data contains duplicated Uids", () => {18      const data = [new MockClass(1), new MockClass(1)];19      expect(() => {20        const x = new ObjectStore(data);21      }).to.throw();22    });23  });24  describe("GetOne", () => {25    it("should take a key and return the corresponding data", () => {26      const data = [new MockClass(1, "bob"), new MockClass(2, "ali")];27      const objectStore = new ObjectStore(data);28      expect(objectStore.GetOne(1)).to.deep.eq(new MockClass(1, "bob"));29    });30    it("should return undefined if the key match no data", () => {31      const data = [new MockClass(1, "bob"), new MockClass(2, "ali")];32      const objectStore = new ObjectStore(data);33      expect(objectStore.GetOne(999)).to.eq(undefined);34    });35  });36  describe("GetBunch", () => {37    it("should take a list of keys and return the matching data", () => {38      const data = [39        new MockClass(1, "bob"),40        new MockClass(2, "ali"),41        new MockClass(3, "mari"),42      ];43      const objectStore = new ObjectStore(data);44      expect(objectStore.GetBunch([1, 3])).to.deep.eq([45        new MockClass(1, "bob"),46        new MockClass(3, "mari"),47      ]);48    });49    it("should ignore non-matching key", () => {50      const data = [51        new MockClass(1, "bob"),52        new MockClass(2, "ali"),53        new MockClass(3, "lili"),54      ];55      const objectStore = new ObjectStore(data);56      const result = objectStore.GetBunch([1, 99, 3]);57      expect(result).to.deep.eq([58        new MockClass(1, "bob"),59        new MockClass(3, "lili"),60      ]);61    });62  });63  describe("GetAll", () => {64    it("should return all values of the dict as a list", () => {65      const data = [66        new MockClass(1, "bob"),67        new MockClass(2, "ali"),68        new MockClass(3, "lili"),69      ];70      const x = new ObjectStore(data);71      expect(x.GetAll()).to.deep.eq(data.slice());72    });73  });...

Using AI Code Generation

1import { mockClass } from 'ng-mocks';2import { MyService } from './my-service';3import { MyServiceMock } from './my-service-mock';4describe('MyService', () => {5  let service: MyService;6  beforeEach(() => {7    service = mockClass(MyService, MyServiceMock);8  });9  it('should return mocked value', () => {10    expect(service.getValue()).toEqual('mocked value');11  });12});13import { Injectable } from '@angular/core';14@Injectable()15export class MyService {16  getValue(): string {17    return 'real value';18  }19}20import { MyService } from './my-service';21export class MyServiceMock extends MyService {22  getValue(): string {23    return 'mocked value';24  }25}26import { MyService } from './my-service';27describe('MyService', () => {28  let service: MyService;29  beforeEach(() => {30    service = new MyService();31  });32  it('should return real value', () => {33    expect(service.getValue()).toEqual('real value');34  });35});

Using AI Code Generation

1import { mockClass } from 'ng-mocks';2import { ClassToMock } from './class-to-mock';3import { ClassToTest } from './class-to-test';4describe('Test', () => {5  it('should test', () => {6    const mock = mockClass(ClassToMock, 'methodOne', () => 'mocked');7    const instance = new ClassToTest(mock);8    expect(instance.methodOne()).toBe('mocked');9  });10});11export class ClassToMock {12  methodOne(): string {13    return 'real';14  }15}16import { ClassToMock } from './class-to-mock';17export class ClassToTest {18  constructor(private mockedClass: ClassToMock) {}19  methodOne(): string {20    return this.mockedClass.methodOne();21  }22}23import { mockClass } from 'ng-mocks';24import { ClassToMock } from './class-to-mock';25import { ClassToTest } from './class-to-test';26describe('Test', () => {27  it('should test', () => {28    const mock = mockClass(ClassToMock, 'methodOne', () => 'mocked');29    const instance = new ClassToTest(mock);30    expect(instance.methodOne()).toBe('mocked');31  });32});33import { AbstractClass } from './abstract-class';34export class ClassToMock extends AbstractClass {

Using AI Code Generation

1import { mockClass } from 'ng-mocks';2describe('mockClass', () => {3  it('should mock class', () => {4    const mockedClass = mockClass(OriginalClass);5    const instance = new mockedClass();6    expect(instance instanceof OriginalClass).toBe(true);7  });8});9export class OriginalClass {10  public testMethod(): number {11    return 42;12  }13}14describe('OriginalClass', () => {15  it('should return 42', () => {16    const instance = new OriginalClass();17    expect(instance.testMethod()).toBe(42);18  });19});20export class MockClass {21  public testMethod(): number {22    return 43;23  }24}25describe('MockClass', () => {26  it('should return 43', () => {27    const instance = new MockClass();28    expect(instance.testMethod()).toBe(43);29  });30});

Using AI Code Generation

1import { mockClass } from 'ng-mocks';2const mock = mockClass(ClassName);3describe('test', () => {4  let mock: ClassName;5  beforeEach(() => {6    mock = mockClass(ClassName);7  });8});9import { mockClass } from 'ng-mocks';10const mock = mockClass(ClassName, 'arg1', 'arg2');11describe('test', () => {12  let mock: ClassName;13  beforeEach(() => {14    mock = mockClass(ClassName, 'arg1', 'arg2');15  });16});17import { mockClass } from 'ng-mocks';18const mock = mockClass(ClassName, mockClass(OtherClassName));19describe('test', () => {20  let mock: ClassName;21  beforeEach(() => {22    mock = mockClass(ClassName, mockClass(OtherClassName));23  });24});25import { mockClass } from 'ng-mocks';26const mock = mockClass(ClassName, mockClass(OtherClassName, 'arg1', 'arg2'));27describe('test', () => {28  let mock: ClassName;29  beforeEach(() => {30    mock = mockClass(ClassName, mockClass(OtherClassName, 'arg1', 'arg2'));31  });32});33import { mockClass } from 'ng-mocks';34const mock = mockClass(ClassName, mockClass(OtherClassName, mockClass(ThirdClassName)));35describe('test', () => {36  let mock: ClassName;37  beforeEach(() => {38    mock = mockClass(ClassName, mockClass(OtherClassName, mockClass(ThirdClassName)));39  });40});

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