How to use functionToMock method in ts-auto-mock

Best JavaScript code snippet using ts-auto-mock

functionsWithoutTypes.test.ts

Source:functionsWithoutTypes.test.ts

...3import { getObjectKeyValues } from '../../utilities/getObjectKeyValues';4describe('functions without types defined', () => {5  it('should infer basic boolean object literal types', () => {6    // eslint-disable-next-line @typescript-eslint/explicit-function-return-type7    function functionToMock() {8      // eslint-disable-next-line @typescript-eslint/typedef9      const primitiveValue = false;10      // eslint-disable-next-line @typescript-eslint/explicit-function-return-type11      function whateverFunction() {12        return true;13      }14      return { primitiveValue, whateverFunction };15    }16    const type: typeof functionToMock = createMock<typeof functionToMock>();17    expect(type().primitiveValue).toBe(false);18    expect(type().whateverFunction()).toBe(true);19  });20  it('should infer basic string object literal types', () => {21    // eslint-disable-next-line @typescript-eslint/explicit-function-return-type22    function functionToMock() {23      // eslint-disable-next-line @typescript-eslint/typedef24      const primitiveValue = 'Hello world';25      return { primitiveValue };26    }27    const type: typeof functionToMock = createMock<typeof functionToMock>();28    expect(type().primitiveValue).toBe('Hello world');29  });30  it('should infer basic object literal types', () => {31    // eslint-disable-next-line @typescript-eslint/explicit-function-return-type32    function functionToMock() {33      // eslint-disable-next-line @typescript-eslint/typedef34      const primitiveValue = {35        test: 'hello',36      };37      return { primitiveValue };38    }39    const type: typeof functionToMock = createMock<typeof functionToMock>();40    expect(getObjectKeyValues(type().primitiveValue)).toEqual({41      test: 'hello',42    });43  });44  it('should use the default behaviour for variables with a type defined', () => {45    // eslint-disable-next-line @typescript-eslint/explicit-function-return-type46    function functionToMock() {47      const primitiveValue: boolean = true;48      // eslint-disable-next-line @typescript-eslint/explicit-function-return-type49      function whateverFunction() {50        return true;51      }52      return { primitiveValue, whateverFunction };53    }54    const type: typeof functionToMock = createMock<typeof functionToMock>();55    expect(type().primitiveValue).toBe(false);56  });57  it('should use the default behaviour for internal function declarations with a type defined', () => {58    // eslint-disable-next-line @typescript-eslint/explicit-function-return-type59    function functionToMock() {60      const primitiveValue: boolean = true;61      // eslint-disable-next-line @typescript-eslint/explicit-function-return-type62      function whateverFunction(): boolean {63        return true;64      }65      return { primitiveValue, whateverFunction };66    }67    const type: typeof functionToMock = createMock<typeof functionToMock>();68    expect(type().whateverFunction()).toBe(false);69  });70  it('should use the default behaviour for internal function declarations with a type defined', () => {71    // eslint-disable-next-line @typescript-eslint/explicit-function-return-type72    function functionToMock() {73      const primitiveValue: boolean = true;74      // eslint-disable-next-line @typescript-eslint/explicit-function-return-type75      function whateverFunction(): boolean {76        return true;77      }78      return { primitiveValue, whateverFunction };79    }80    const type: typeof functionToMock = createMock<typeof functionToMock>();81    expect(type().whateverFunction()).toBe(false);82  });83  it('should infer object literal return types', () => {84    // eslint-disable-next-line @typescript-eslint/explicit-function-return-type85    function functionToMock() {86      return { a: 'hello world', b: 123 };87    }88    const type: typeof functionToMock = createMock<typeof functionToMock>();89    expect(getObjectKeyValues(type())).toEqual({90      a: 'hello world',91      b: 123,92    });93  });94  it('should infer variables outside the function', () => {95    // eslint-disable-next-line @typescript-eslint/typedef96    const anObject = { a: 'hello world', b: 123 };97    // eslint-disable-next-line @typescript-eslint/explicit-function-return-type98    function functionToMock() {99      return anObject;100    }101    const type: typeof functionToMock = createMock<typeof functionToMock>();102    expect(getObjectKeyValues(type())).toEqual({103      a: 'hello world',104      b: 123,105    });106  });107  it('should infer variables from a different file', () => {108    // eslint-disable-next-line @typescript-eslint/explicit-function-return-type109    function functionToMock() {110      return anImportedObject;111    }112    const type: typeof functionToMock = createMock<typeof functionToMock>();113    expect(getObjectKeyValues(type())).toEqual({114      a: 'hello world',115      b: 123,116    });117  });118  it('should infer a spread object', () => {119    // eslint-disable-next-line @typescript-eslint/explicit-function-return-type120    function functionToMock() {121      return {122        ...anImportedObject,123      };124    }125    const type: typeof functionToMock = createMock<typeof functionToMock>();126    expect(getObjectKeyValues(type())).toEqual({127      a: 'hello world',128      b: 123,129    });130  });131  it('should set null when a parameter has not type', () => {132    // eslint-disable-next-line @typescript-eslint/explicit-function-return-type133    function functionToMock(param) {134      return {135        param,136      };137    }138    const type: typeof functionToMock = createMock<typeof functionToMock>();139    expect(140      getObjectKeyValues(141        type({142          test: 'hello',143        })144      )145    ).toEqual({146      param: null,147    });148  });149  it('should be able to infer parameter types', () => {150    // eslint-disable-next-line @typescript-eslint/explicit-function-return-type151    function functionToMock(param: string) {152      return {153        param,154      };155    }156    const type: typeof functionToMock = createMock<typeof functionToMock>();157    expect(getObjectKeyValues(type('hello'))).toEqual({158      param: '',159    });160  });161});162describe('arrow functions without types defined', () => {163  it('should infer basic number binary expression types', () => {164    // eslint-disable-next-line @typescript-eslint/typedef,@typescript-eslint/explicit-function-return-type165    const functionToMock = () => ({...

mockFunction.ts

Source:mockFunction.ts

1import {2    BrsInvalid,3    BrsType,4    Callable,5    StdlibArgument,6    ValueKind,7    SignatureAndImplementation,8    BrsString,9    RoArray,10    RoAssociativeArray,11} from "../brsTypes";12import { Interpreter } from "../interpreter";13import { Stmt } from "../parser";14export class MockFunction extends RoAssociativeArray {15    private calls = new RoArray([]);16    private results = new RoArray([]);17    private func: Callable;18    private name: BrsString;19    constructor(name: BrsString, func: Callable) {20        super([]);21        this.name = name;22        this.func = func;23        this.set(new BrsString("calls"), this.calls);24        this.set(new BrsString("clearMock"), this.clearMock);25        this.set(new BrsString("getMockName"), this.getMockName);26        this.set(new BrsString("mockReturnValue"), this.mockReturnValue);27        this.set(new BrsString("results"), this.results);28    }29    /**30     * Wraps the original function implementation so that it can keep track of each call.31     */32    createMockFunction(): Callable {33        let signatures: SignatureAndImplementation[] = this.func.signatures.map((sigAndImpl) => {34            return {35                signature: sigAndImpl.signature,36                impl: (interpreter: Interpreter, ...args: any[]) => {37                    // add the arguments to our calls array38                    this.calls.getValue().push(new RoArray(args));39                    let result: BrsType = BrsInvalid.Instance;40                    try {41                        result = this.func.call(interpreter, ...args);42                    } catch (err) {43                        if (err instanceof Stmt.ReturnValue && err.value) {44                            // add the result to our results array45                            this.results.getValue().push(err.value);46                        }47                        // re-throw error to continue normal execution48                        throw err;49                    }50                    // add the result to our results array51                    this.results.getValue().push(result);52                    return result;53                },54            };55        });56        return new Callable(this.name.value, ...signatures);57    }58    /** Clears the calls array and results array. */59    private clearMock = new Callable("clearMock", {60        signature: {61            args: [],62            returns: ValueKind.Invalid,63        },64        impl: (interpreter: Interpreter) => {65            this.calls.getMethod("clear")?.call(interpreter);66            this.results.getMethod("clear")?.call(interpreter);67            return BrsInvalid.Instance;68        },69    });70    /** Returns the name of the function that's being mocked. */71    private getMockName = new Callable("getMockName", {72        signature: {73            args: [],74            returns: ValueKind.String,75        },76        impl: (interpreter: Interpreter) => {77            return this.name;78        },79    });80    /** Overwrites the mock implementation and returns a new value. */81    private mockReturnValue = new Callable("mockReturnValue", {82        signature: {83            args: [new StdlibArgument("returnValue", ValueKind.Dynamic)],84            returns: ValueKind.String,85        },86        impl: (interpreter: Interpreter, returnValue: BrsType) => {87            this.func = new Callable(88                this.name.toString(),89                ...Callable.variadic({90                    signature: {91                        args: [],92                        returns: returnValue.kind,93                    },94                    impl: (interpreter: Interpreter, ...args: BrsType[]) => {95                        return returnValue;96                    },97                })98            );99            interpreter.environment.setMockFunction(100                this.name.toString(),101                this.createMockFunction()102            );103            return BrsInvalid.Instance;104        },105    });106}107export const mockFunction = new Callable(108    "mockFunction",109    ...[110        {111            signature: {112                args: [new StdlibArgument("functionToMock", ValueKind.String)],113                returns: ValueKind.Invalid,114            },115            impl: (interpreter: Interpreter, functionToMock: BrsString) => {116                // Create a function that accepts any number of parameters and returns invalid.117                let mock = new Callable(118                    functionToMock.toString(),119                    ...Callable.variadic({120                        signature: {121                            args: [],122                            returns: ValueKind.Invalid,123                        },124                        impl: (interpreter: Interpreter) => {125                            return BrsInvalid.Instance;126                        },127                    })128                );129                let mockFunctionNode = new MockFunction(functionToMock, mock);130                interpreter.environment.setMockFunction(131                    functionToMock.toString(),132                    mockFunctionNode.createMockFunction()133                );134                return mockFunctionNode;135            },136        },137        {138            signature: {139                args: [140                    new StdlibArgument("functionToMock", ValueKind.String),141                    new StdlibArgument("mock", ValueKind.Callable),142                ],143                returns: ValueKind.Invalid,144            },145            impl: (interpreter: Interpreter, functionToMock: BrsString, mock: Callable) => {146                let mockFunctionNode = new MockFunction(functionToMock, mock);147                interpreter.environment.setMockFunction(148                    functionToMock.toString(),149                    mockFunctionNode.createMockFunction()150                );151                return mockFunctionNode;152            },153        },154    ]...

mocks.spec.ts

Source:mocks.spec.ts

1import React from "react";2import { functionToMock, funcionQueLlamaMetodoDelMock } from '../functionToMock';3describe('pruebas de mocks', ()=>{4    jest.mock('../functionToMock');5    test('mock de funciones', () => {6        const tet = jest.fn();7        tet();8        expect(tet).toHaveBeenCalled();9    });10    test('mock con valores personalizados', () => {11        // puede retornar varios valores, los retorna en el orden en el que se ejecuta12        const mock = jest.fn()13            .mockReturnValueOnce(true)14            .mockReturnValueOnce(1);15        const result = mock();16        const result2 = mock();17        const result3 = mock();18        console.log(result, result2, result3);19        expect(result).toBeTruthy();20    });21    xtest('test for mock external functions', () => {22        console.log(functionToMock);23        funcionQueLlamaMetodoDelMock(1);24        expect(functionToMock.save).toHaveBeenCalled();25    });...

Using AI Code Generation

1import {functionToMock} from 'ts-auto-mock';2describe('test1', () => {3  it('test1', () => {4    const result = functionToMock();5    console.log(result);6  });7});8import {functionToMock} from 'ts-auto-mock';9describe('test2', () => {10  it('test2', () => {11    const result = functionToMock();12    console.log(result);13  });14});15import {functionToMock} from 'ts-auto-mock';16describe('test3', () => {17  it('test3', () => {18    const result = functionToMock();19    console.log(result);20  });21});22import {functionToMock} from 'ts-auto-mock';23describe('test4', () => {24  it('test4', () => {25    const result = functionToMock();26    console.log(result);27  });28});29import {functionToMock} from 'ts-auto-mock';30describe('test5', () => {31  it('test5', () => {32    const result = functionToMock();33    console.log(result);34  });35});36import {functionToMock} from 'ts-auto-mock';37describe('test6', () => {38  it('test6', () => {39    const result = functionToMock();40    console.log(result);41  });42});43import {functionToMock} from 'ts-auto-mock';44describe('test7', () => {45  it('test7', () => {46    const result = functionToMock();47    console.log(result);48  });49});50import {functionToMock} from 'ts-auto-mock';51describe('test8', () => {52  it('test8', () =>

Using AI Code Generation

1const functionToMock = require('ts-auto-mock').functionToMock;2const mock = functionToMock('test1');3mock();4const functionToMock = require('ts-auto-mock').functionToMock;5const mock = functionToMock('test2');6mock();7const functionToMock = require('ts-auto-mock').functionToMock;8const mock = functionToMock('test3');9mock();10const functionToMock = require('ts-auto-mock').functionToMock;11const mock = functionToMock('test4');12mock();13const functionToMock = require('ts-auto-mock').functionToMock;14const mock = functionToMock('test5');15mock();16const functionToMock = require('ts-auto-mock').functionToMock;17const mock = functionToMock('test6');18mock();19const functionToMock = require('ts-auto-mock').functionToMock;20const mock = functionToMock('test7');21mock();22const functionToMock = require('ts-auto-mock').functionToMock;23const mock = functionToMock('test8');24mock();25const functionToMock = require('ts-auto-mock').functionToMock;26const mock = functionToMock('test9');27mock();28const functionToMock = require('ts-auto-mock').functionToMock;29const mock = functionToMock('test10');30mock();31const functionToMock = require('ts

Using AI Code Generation

1import {functionToMock} from 'ts-auto-mock';2const mock = functionToMock<SomeType>();3const mock = functionToMock<SomeType>(options);4const mock = functionToMock<SomeType>(options, 'SomeType');5const mock = functionToMock<SomeType>('SomeType');6const mock = functionToMock<SomeType>(options, 'SomeType', 'someFile.ts');7const mock = functionToMock<SomeType>('SomeType', 'someFile.ts');8const mock = functionToMock<SomeType>(options, 'someFile.ts');9const mock = functionToMock<SomeType>('someFile.ts');10const mock = functionToMock<SomeType>(options);11const mock = functionToMock<SomeType>();12const mock = functionToMock<SomeType>(options, 'SomeType');13const mock = functionToMock<SomeType>('SomeType');14const mock = functionToMock<SomeType>(options, 'SomeType', 'someFile.ts');15const mock = functionToMock<SomeType>('SomeType', 'someFile.ts');16const mock = functionToMock<SomeType>(options, 'someFile.ts');17const mock = functionToMock<SomeType>('someFile.ts');

Using AI Code Generation

1import {functionToMock} from 'ts-auto-mock';2functionToMock({3});4export function test2(): string {5    return 'test2';6}7import {test2} from './test2';8import {functionToMock} from 'ts-auto-mock';9describe('test2', () => {10    it('should return test2', () => {11        functionToMock({12        });13        const result = test2();14        expect(result).toBe('test2');15    });16});

Using AI Code Generation

1import {functionToMock} from 'ts-auto-mock';2import * as jestMock from 'jest-mock';3describe('Test1', () => {4  it('should test functionToMock', () => {5    const mock = jestMock.fn();6    jestMock.spyOn(functionToMock, 'functionToMock').mockImplementation(mock);7    functionToMock.functionToMock();8    expect(mock).toBeCalled();9  });10});

Using AI Code Generation

1import { functionToMock } from 'ts-auto-mock';2functionToMock('myFunction', () => 10);3import { myFunction } from './myFunction';4import { functionToMock } from 'ts-auto-mock';5functionToMock('myFunction', () => 20);6import { myFunction } from './myFunction';7"jest": {8  }9This will automatically mock all the files that are imported in your test files. If you want to use ts-auto-mock in another environment, you can use the following code before importing your files:10import { autoMock } from 'ts-auto-mock';11autoMock();12The following example shows how to mock a function that is imported in a file:13export function myFunction(): number {14  return 10;15}16import { myFunction } from './myFunction';17export function myOtherFunction(): number {18  return myFunction();19}20import { autoMock } from 'ts-auto-mock';21autoMock();22import { myOtherFunction } from './myOtherFunction';23You can also mock a function that is imported in a file from a different folder:24export function myFunction(): number {25  return 10;26}27import { myFunction } from '../myFunction';28export function myOtherFunction(): number {29  return myFunction();30}31import { autoMock } from 'ts-auto-mock';32autoMock();33import { myOtherFunction } from './myOtherFunction';34In this example, the autoMock() function will mock the

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