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How to use newFn method in rewire

Best JavaScript code snippet using rewire

simple-mock.js

Source:simple-mock.js

1/* global define */2(function (global, module) { // Browser compatibility3  var simple = module.exports4  var mocks = []5  var totalCalls = 06  /**7   * Restore the current simple and create a new one8   *9   * @param {Object} [obj]10   * @param {String} [key]11   * @api public12   */13  simple.restore = function (obj, key) {14    if (obj && key) {15      mocks.some(function (mock, i) {16        if (mock.obj !== obj || mock.key !== key) return17        mock.restore()18        mocks.splice(i, 1)19        return true20      })21      return22    }23    mocks.forEach(_restoreMock)24    mocks = []25  }26  /**27   * Create a mocked value on an object28   *29   * @param {Object} obj30   * @param {String} key31   * @param {Function|Value} mockValue32   * @return {Function} mock33   * @api public34   */35  simple.mock = function (obj, key, mockValue) {36    if (!arguments.length) {37      return simple.spyOrStub()38    } else if (arguments.length === 1) {39      return simple.spyOrStub(obj)40    } else if (isFunction(mockValue)) {41      mockValue = simple.spyOrStub(mockValue)42    } else if (arguments.length === 2) {43      mockValue = simple.spyOrStub(obj, key)44    }45    var mock = {46      obj: obj,47      key: key,48      mockValue: mockValue,49      oldValue: obj[key],50      oldValueHasKey: (key in obj)51    }52    mock.restore = _restoreMock.bind(null, mock)53    mocks.unshift(mock)54    obj[key] = mockValue55    return mockValue56  }57  /**58   * Create a stub function59   *60   * @param {Function|Object} wrappedFn61   * @param {String} [key]62   * @return {Function} spy63   * @api public64   */65  simple.spyOrStub = simple.stub = simple.spy = function (wrappedFn, key) {66    if (arguments.length === 2) {67      wrappedFn = wrappedFn[key]68    }69    var originalFn = wrappedFn70    var stubFn = function () {71      var action = (newFn.loop) ? newFn.actions[(newFn.callCount - 1) % newFn.actions.length] : newFn.actions.shift()72      if (!action) return73      if (action.throwError) throw action.throwError74      if ('returnValue' in action) return action.returnValue75      if ('fn' in action) return action.fn.apply(action.ctx || this, arguments)76      var cb = ('cbArgIndex' in action) ? arguments[action.cbArgIndex] : arguments[arguments.length - 1]77      if (action.cbArgs) return cb.apply(action.ctx || null, action.cbArgs)78    }79    var newFn = function () {80      var call = {81        k: totalCalls++, // Keep count of calls to record the absolute order of calls82        args: Array.prototype.slice.call(arguments, 0),83        arg: arguments[0],84        context: this85      }86      newFn.calls.push(call)87      newFn.firstCall = newFn.firstCall || call88      newFn.lastCall = call89      newFn.callCount++90      newFn.called = true91      try {92        call.returned = (wrappedFn || _noop).apply(this, arguments)93      } catch(e) {94        call.threw = e95        throw e96      }97      return call.returned98    }99    // Spy100    newFn.reset = function () {101      newFn.calls = []102      newFn.lastCall = { args: [] } // For dot-safety103      newFn.callCount = 0104      newFn.called = false105    }106    newFn.reset()107    // Stub108    newFn.actions = []109    newFn.loop = true110    newFn.callbackWith = newFn.callback = function () {111      wrappedFn = stubFn112      newFn.actions.push({ cbArgs: arguments })113      return newFn // Chainable114    }115    newFn.callbackArgWith = newFn.callbackAtIndex = function () {116      wrappedFn = stubFn117      newFn.actions.push({118        cbArgs: Array.prototype.slice.call(arguments, 1),119        cbArgIndex: arguments[0]120      })121      return newFn // Chainable122    }123    newFn.inThisContext = function (obj) {124      var action = newFn.actions[newFn.actions.length - 1]125      action.ctx = obj126      return newFn // Chainable127    }128    newFn.withArgs = function () {129      var action = newFn.actions[newFn.actions.length - 1]130      action.cbArgs = arguments131      return newFn // Chainable132    }133    newFn.returnWith = function (returnValue) {134      wrappedFn = stubFn135      newFn.actions.push({ returnValue: returnValue })136      return newFn // Chainable137    }138    newFn.throwWith = function (err) {139      wrappedFn = stubFn140      newFn.actions.push({ throwError: err })141      return newFn // Chainable142    }143    newFn.resolveWith = function (value) {144      if (simple.Promise.when) return newFn.callFn(function createResolvedPromise () { return simple.Promise.when(value) })145      return newFn.callFn(function createResolvedPromise () { return simple.Promise.resolve(value) })146    }147    newFn.rejectWith = function (value) {148      return newFn.callFn(function createRejectedPromise () { return simple.Promise.reject(value) })149    }150    newFn.callFn = function (fn) {151      wrappedFn = stubFn152      newFn.actions.push({ fn: fn })153      return newFn // Chainable154    }155    newFn.withActions = function (actions) {156      wrappedFn = stubFn157      if (actions && actions.length >= 0) {158        Array.prototype.push.apply(newFn.actions, actions)159      }160      return newFn // Chainable161    }162    newFn.callOriginal = newFn.callOriginalFn = function () {163      wrappedFn = stubFn164      newFn.actions.push({ fn: originalFn })165      return newFn // Chainable166    }167    newFn.withLoop = function () {168      newFn.loop = true169      return newFn // Chainable170    }171    newFn.noLoop = function () {172      newFn.loop = false173      return newFn // Chainable174    }175    return newFn176  }177  function _restoreMock (mock) {178    if (!mock.oldValueHasKey) {179      delete mock.obj[mock.key]180      return181    }182    mock.obj[mock.key] = mock.oldValue183  }184  function _noop () {}185  /**186   * Return whether the passed variable is a function187   *188   * @param {Mixed} value189   * @return {Boolean}190   * @api private191   */192  function isFunction (value) {193    return Object.prototype.toString.call(value) === funcClass194  }195  var funcClass = '[object Function]'196  // Browser compatibility197  if (typeof define === 'function' && define.amd) {198    define(function () {199      return simple200    })201  } else if (typeof window !== 'undefined') {202    window.simple = simple203  }204  // Native Promise support205  if (typeof Promise !== 'undefined') simple.Promise = Promise...

index.js

Source:index.js

...18    const fn = function () {19        return this20    }21    const newFn = fn.bind2({name: 'vino'})22    console.assert(newFn().name === 'vino')23}24function test3(message) {25    console.log(message)26    Function.prototype.bind2 = bind27    const fn = function (p1, p2) {28        return [this, p1, p2]29    }30    const newFn = fn.bind2({name: 'vino'}, 8, 24)31    console.assert(newFn()[0].name === 'vino')32    console.assert(newFn()[1] === 8)33    console.assert(newFn()[2] === 24)34}35function test4(message) {36    console.log(message)37    Function.prototype.bind2 = bind38    const fn = function (p1, p2) {39        return [this, p1, p2]40    }41    const newFn = fn.bind2({name: 'vino'})42    console.assert(newFn(8, 24)[0].name === 'vino')43    console.assert(newFn(8, 24)[1] === 8)44    console.assert(newFn(8, 24)[2] === 24)45}46function test5(message) {47    console.log(message)48    Function.prototype.bind2 = bind49    const fn = function (p1, p2) {50        return [this, p1, p2]51    }52    const newFn = fn.bind2({name: 'vino'}, 8)53    console.assert(newFn(24)[0].name === 'vino', 'this')54    console.assert(newFn(24)[1] === 8, 'p1')55    console.assert(newFn(24)[2] === 24, 'p2')56}57function test6(message) {58    console.log(message)59    Function.prototype.bind2 = bind60    const fn = function (p1, p2) {61        this.p1 = p162        this.p2 = p263    }64    const newFn = fn.bind2(undefined, 8, 24)65    const obj = new newFn()66    console.assert(obj.p1 === 8)67    console.assert(obj.p2 === 24)68}69function test7(message) {70    console.log(message)71    Function.prototype.bind2 = bind72    const fn = function (p1, p2) {73        this.p1 = p174        this.p2 = p275    }76    fn.prototype.sayHi = function () {77        console.log('hi')78    }79    const newFn = fn.bind2(undefined, 8, 24)80    const obj = new newFn()81    console.assert(obj.p1 === 8)82    console.assert(obj.p2 === 24)83    console.assert(typeof obj.sayHi === 'function')84}85function test8(message) {86    console.log(message)87    Function.prototype.bind2 = bind88    const fn = function (p1, p2) {89        this.p1 = p190        this.p2 = p291    }92    const newFn = fn.bind2({name: 'vino'}, 8, 24)93    const obj = new newFn()94    console.assert(obj.name === undefined)95    console.assert(obj.p1 === 8)96    console.assert(obj.p2 === 24)...

Using AI Code Generation

1const newFn = rewire('./app.js').__get__("newFn");2describe("newFn", function() {3  it("should be a function", function() {4    assert.strictEqual(typeof newFn, "function");5  });6  it("should return a string", function() {7    assert.strictEqual(typeof newFn(), "string");8  });9  it("should return 'newFn'", function() {10    assert.strictEqual(newFn(), "newFn");11  });12});13if (typeof module !== "undefined") {14  module.exports = { newFn };15}

Using AI Code Generation

1var rewire = require('rewire');2var module = rewire('./module');3var newFn = module.__get__('newFn');4var result = newFn(2, 3);5var newFn = function (a, b) {6    return a + b;7};8module.exports = {9};

Using AI Code Generation

1const rewire = require("rewire");2const rewired = rewire("./index.js");3const newFn = rewired.__get__("newFn");4describe("newFn", () => {5  test("should return the sum of two numbers", () => {6    expect(newFn(1, 2)).toBe(3);7  });8});9module.exports = {10  fn: function (a, b) {11    return a + b;12  },13  newFn: function (a, b) {14    return a + b;15  },16};17module.exports = {18  fn: function (a, b) {19    return a + b;20  },21  newFn: function (a, b) {22    return a + b;23  },24};25module.exports = {26  fn: function (a, b) {27    return a + b;28  },29  newFn: function (a, b) {30    return a + b;31  },32};33module.exports = {34  fn: function (a, b) {35    return a + b;36  },37  newFn: function (a, b) {38    return a + b;39  },40};41module.exports = {42  fn: function (a, b) {43    return a + b;44  },45  newFn: function (a, b) {46    return a + b;47  },48};49module.exports = {50  fn: function (a, b) {51    return a + b;52  },53  newFn: function (a, b) {54    return a + b;55  },56};57module.exports = {58  fn: function (a, b) {59    return a + b;60  },61  newFn: function (a, b) {62    return a + b;63  },64};65module.exports = {66  fn: function (a, b) {67    return a + b;68  },69  newFn: function (a, b) {70    return a + b;71  },72};73module.exports = {74  fn: function (a, b) {75    return a + b;76  },77  newFn: function (a, b

Using AI Code Generation

1var rewire = require('rewire');2var newFn = rewire('./fn.js');3newFn.__set__('fn', function() {4    return 'newFn';5});6var rewire = require('rewire');7var newFn = rewire('./fn.js');8newFn.__set__('fn', function() {9    return 'newFn';10});

Using AI Code Generation

1const myModule = rewire('./myModule.js');2myModule.__set__('newFn', function() {3  return 'bar';4});5const result = myModule('foo');6module.exports = function(arg) {7  return newFn(arg);8};9const myModule = rewire('./myModule.js');10myModule.__set__('newFn', function() {11  return 'bar';12});13const result = myModule('foo');14module.exports = function(arg) {15  return newFn(arg);16};17const myModule = rewire('./myModule.js');18myModule.__set__('newFn', function() {19  return 'bar';20});21const result = myModule('foo');22module.exports = function(arg) {23  return newFn(arg);24};25const myModule = rewire('./myModule.js');26myModule.__set__('newFn', function() {27  return 'bar';28});29const result = myModule('foo');30module.exports = function(arg) {31  return newFn(arg);32};33const myModule = rewire('./myModule.js');34myModule.__set__('newFn', function() {35  return 'bar';36});37const result = myModule('foo');38module.exports = function(arg) {39  return newFn(arg);40};41const myModule = rewire('./myModule.js');42myModule.__set__('newFn', function() {43  return 'bar';44});45const result = myModule('foo');46module.exports = function(arg) {47  return newFn(arg);48};49const myModule = rewire('./myModule.js');50myModule.__set__('newFn',

Using AI Code Generation

1const rewire = require("rewire");2const test = rewire("./app.js");3test.__set__("newFn", () => 42);4test.__get__("newFn")();5const assert = require("assert");6const test = require("./app.js");7describe("Test", () => {8  it("should return 42", () => {9    assert.equal(test(), 42);10  });11});12const assert = require("assert");13const expect = require("chai").expect;14const test = require("./app.js");15describe("Test", () => {16  it("should return 42", () => {17    assert.equal(test(), 42);18  });19  it("should return 42", () => {20    expect(test()).to.equal(42);21  });22});23const assert = require("assert");24const sinon = require("sinon");25const test = require("./app.js");26describe("Test", () => {27  it("should return 42", () => {28    assert.equal(test(), 42);29  });30  it("should return 42", () => {31    const stub = sinon.stub(test, "newFn").returns(42);32    assert.equal(test(), 42);33    stub.restore();34  });35});36const assert = require("assert");37const test = require("./app.js");38describe("Test", () => {39  it("should return 42", () => {40    assert.equal(test(), 42);41  });42});43{44  "scripts": {

Using AI Code Generation

1const rewire = require('rewire');2const test = rewire('./test.js');3test.__set__('newFn', () => { return 'New Function'; });4test.__get__('newFn')();5const sinon = require('sinon');6const test = require('./test.js');7const spy = sinon.spy(test, 'newFn');8test.newFn();9const chai = require('chai');10const test = require('./test.js');11chai.expect(test.newFn()).to.equal('New Function');12const mocha = require('mocha');13const test = require('./test.js');14mocha.describe('newFn', () => {15  mocha.it('should return New Function', () => {16    mocha.expect(test.newFn()).to.equal('New Function');17  });18});19const jest = require('jest');20const test = require('./test.js');21jest.describe('newFn', () => {22  jest.it('should return New Function', () => {23    jest.expect(test.newFn()).to.equal('New Function');24  });25});

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