KaneAI - World’s First E2E Software Testing Agent.Book a Demo Join TestMu Conference

How to use toStringMethod method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

declare.js

Source:declare.js

1define(["dojo/main", "util/doh/main", "contracts/declare"],2  function(dojo, doh, c) {3    var booleanValue = true;4    var stringValue1 = "A property value";5    var stringValue2 = "Another property value";6    var numberValue1 = 3.14;7    var numberValue2 = Math.sqrt(2);8    var arrayValue = ["string value", -88284.994, null, [4, 5, 9], { propInObjectInArray: true}, function() { return true; }];9    var dateValue = new Date();10    var objectValue = { propInObjectinObject: 8 };11    var functionValue = function() {12      // object must have a property "stringProperty"13      return this.stringProperty;14    };15    var functionValuePost = [16      function(result) { return result === this.stringProperty; }17    ];18    var toStringMethod = function() {19      // object must have a method "functionProperty"20      return this.functionProperty();21    };22    var constructor = function() {23      this.stringProperty = stringValue2;24      this.numberProperty =  numberValue2;25    };26    var constructorPost = [27      function() { return this.nullProperty === null; },28      function() { return this.booleanProperty === booleanValue; },29      function() { return this.stringProperty === stringValue2; },30      function() { return this.numberProperty === numberValue2; },31      function() { return this.arrayProperty === arrayValue; },32      function() { return this.dateProperty === dateValue; },33      function() { return this.objectProperty === objectValue; },34      function() { return this.functionProperty === functionValue; },35      function() { return this.toString === toStringMethod; },36      function() { return this.constructor === constructor; },37      function() { return this.oneMoreMethod === functionValue; }38    ];39    function testResultInstanceProperty(resultInstance, propertyName, expectedValuePrototype, expectedValueInstance) {40      var resultPrototype = Object.getPrototypeOf(resultInstance);41      doh.t(resultPrototype.hasOwnProperty(propertyName));42      doh.is(expectedValuePrototype, resultPrototype[propertyName]);43      doh.is(expectedValueInstance, resultInstance[propertyName]);44    }45    function functionIsResultingFunctionFromContractMethod(fcmCandidate) {46      doh.isNot(null, fcmCandidate);47      doh.t(fcmCandidate.hasOwnProperty("pre"));48      doh.t(fcmCandidate.hasOwnProperty("impl"));49      doh.t(fcmCandidate.hasOwnProperty("post"));50      doh.t(fcmCandidate.hasOwnProperty("excp"));51      doh.is(fcmCandidate, fcmCandidate.impl);52    }53    var _objectProto = Object.prototype;54    var _urToStringF = _objectProto.toString;55    function _urToString(o) {56      return _urToStringF.call(o);57    }58    function _isFunction(candidateFunction) {59      return _urToString(candidateFunction) === "[object Function]";60    }61    function _isArray(candidateArray) {62      return _urToString(candidateArray) === "[object Array]";63    }64    function isString(o) {65      return typeof o === "string" || (typeof o === "object" && o.constructor === String);66    }67    doh.register("be/ppwcode/util/contracts/I/declare", [68      function testDoh() {69        console.log("test ran");70      },71      function stringType() {72        var aString = "this is a test string";73        doh.is("string", typeof aString);74        doh.t(isString(aString));75      },76      function testSimpleDeclare() {77        var Result = c.declare(null, {78          nullProperty : null,79          booleanProperty : booleanValue,80          stringProperty : stringValue1,81          numberProperty : numberValue1,82          arrayProperty : arrayValue,83          dateProperty : dateValue,84          objectProperty : objectValue,85          functionProperty : functionValue,86          toString: toStringMethod,87          constructor: constructor88        });89        var resultInstance = new Result();90        doh.is(Result, resultInstance.constructor);91//        doh.is(Object.getPrototypeOf(Result), Object.getPrototypeOf(resultInstance));92        testResultInstanceProperty(resultInstance, "nullProperty", null, null);93        testResultInstanceProperty(resultInstance, "booleanProperty", booleanValue, booleanValue);94        testResultInstanceProperty(resultInstance, "stringProperty", stringValue1, stringValue2);95        testResultInstanceProperty(resultInstance, "numberProperty", numberValue1, numberValue2);96        testResultInstanceProperty(resultInstance, "arrayProperty", arrayValue, arrayValue);97        testResultInstanceProperty(resultInstance, "dateProperty", dateValue, dateValue);98        testResultInstanceProperty(resultInstance, "objectProperty", objectValue, objectValue);99        testResultInstanceProperty(resultInstance, "functionProperty", functionValue, functionValue);100        testResultInstanceProperty(resultInstance, "toString", toStringMethod, toStringMethod);101        var resultPrototype = Object.getPrototypeOf(resultInstance);102        doh.t(resultPrototype.hasOwnProperty("constructor"));103        doh.is(resultInstance.constructor, resultPrototype.constructor)104      },105      function testContractDeclare() {106        var Result = c.declare(null, {107          invariants : [],108          nullProperty : null,109          booleanProperty : booleanValue,110          stringProperty : stringValue1,111          numberProperty : numberValue1,112          arrayProperty : arrayValue,113          dateProperty : dateValue,114          objectProperty : objectValue,115          functionProperty : functionValue,116          toString : toStringMethod,117          constructor : {118            pre  : [],119            impl : constructor,120            post : [],121            excp : []122          },123          oneMoreMethod : {124            pre  : [],125            impl : functionValue,126            post : [],127            excp : []128          }129        });130        var resultInstance = new Result();131        doh.is(Result, resultInstance.constructor);132//        doh.is(Object.getPrototypeOf(Result), Object.getPrototypeOf(resultInstance));133        testResultInstanceProperty(resultInstance, "nullProperty", null, null);134        testResultInstanceProperty(resultInstance, "booleanProperty", booleanValue, booleanValue);135        testResultInstanceProperty(resultInstance, "stringProperty", stringValue1, stringValue2);136        testResultInstanceProperty(resultInstance, "numberProperty", numberValue1, numberValue2);137        testResultInstanceProperty(resultInstance, "arrayProperty", arrayValue, arrayValue);138        testResultInstanceProperty(resultInstance, "dateProperty", dateValue, dateValue);139        testResultInstanceProperty(resultInstance, "objectProperty", objectValue, objectValue);140        testResultInstanceProperty(resultInstance, "functionProperty", functionValue, functionValue);141        testResultInstanceProperty(resultInstance, "toString", toStringMethod, toStringMethod);142        var resultPrototype = Object.getPrototypeOf(resultInstance);143        doh.t(resultPrototype.hasOwnProperty("constructor"));144        doh.is(resultInstance.constructor, resultPrototype.constructor); // dojo constructor wraps around our function145        testResultInstanceProperty(resultInstance, "oneMoreMethod", functionValue, functionValue);146        functionIsResultingFunctionFromContractMethod(resultInstance.constructor);147        functionIsResultingFunctionFromContractMethod(resultInstance.oneMoreMethod);148      },149      function testContractDeclareWithConditions() {150        var resultInvariants = [151          function() { return this.nullProperty != undefined; },152          function() { return booleanProperty != undefined; },153          function() { return stringProperty != undefined; },154          function() { return numberProperty != undefined; },155          function() { return arrayProperty != undefined; },156          function() { return dateProperty != undefined; },157          function() { return objectProperty != undefined; },158          function() { return functionProperty != undefined; },159          function() { return toString != undefined; },160          function() { return constructor != undefined; },161          function() { return oneMoreMethod != undefined; }162        ];163        var Result = c.declare(null, {164          invariants : resultInvariants,165          nullProperty : null,166          booleanProperty : booleanValue,167          stringProperty : stringValue1,168          numberProperty : numberValue1,169          arrayProperty : arrayValue,170          dateProperty : dateValue,171          objectProperty : objectValue,172          functionProperty : functionValue,173          toString : toStringMethod,174          constructor : {175            pre  : [],176            impl : constructor,177            post : constructorPost,178            excp : []179          },180          oneMoreMethod : {181            pre  : [],182            impl : functionValue,183            post : functionValuePost,184            excp : []185          }186        });187        var resultInstance = new Result();188        doh.is(Result, resultInstance.constructor);189//        doh.is(Object.getPrototypeOf(Result), Object.getPrototypeOf(resultInstance));190        testResultInstanceProperty(resultInstance, "nullProperty", null, null);191        testResultInstanceProperty(resultInstance, "booleanProperty", booleanValue, booleanValue);192        testResultInstanceProperty(resultInstance, "stringProperty", stringValue1, stringValue2);193        testResultInstanceProperty(resultInstance, "numberProperty", numberValue1, numberValue2);194        testResultInstanceProperty(resultInstance, "arrayProperty", arrayValue, arrayValue);195        testResultInstanceProperty(resultInstance, "dateProperty", dateValue, dateValue);196        testResultInstanceProperty(resultInstance, "objectProperty", objectValue, objectValue);197        testResultInstanceProperty(resultInstance, "functionProperty", functionValue, functionValue);198        testResultInstanceProperty(resultInstance, "toString", toStringMethod, toStringMethod);199        var resultPrototype = Object.getPrototypeOf(resultInstance);200        doh.t(resultPrototype.hasOwnProperty("constructor"));201        doh.is(resultInstance.constructor, resultPrototype.constructor); // dojo constructor wraps around our function202        testResultInstanceProperty(resultInstance, "oneMoreMethod", functionValue, functionValue);203        functionIsResultingFunctionFromContractMethod(resultInstance.constructor);204        functionIsResultingFunctionFromContractMethod(resultInstance.oneMoreMethod);205        doh.is(resultInvariants, resultInstance.constructor._meta.invariants);206      },207      function realTest() {208        dojo.config.checkPre = true;209        var now = new Date();210        var Person = c.declare(null, {211          invariants : [212            function() { return this.hasOwnProperty("firstName"); },213            function() { return this.firstName; },214            function() { return isString(this.firstName); },215            function() { return this.hasOwnProperty("lastName"); },216            function() { return this.lastName; },217            function() { return isString(this.lastName); },218            function() { return this.hasOwnProperty("dob"); },219            function() { return this.dob; },220            function() { return this.dob instanceof Date; },221            function() { return now > this.dob; },222            function() { return this.age; },223            function() { return this.age instanceof Function; }224          ],225          constructor : {226            pre  : [227              function(first, last, dob) { return first },228              function(first, last, dob) { return isString(first); },229              function(first, last, dob) { return last },230              function(first, last, dob) { return isString(last); },231              function(first, last, dob) { return dob },232              function(first, last, dob) { return dob instanceof Date}233            ],234            impl : function(first, last, dob) {235              if (now <= dob) {236                throw "dob must be in the past (" + dob + ")";237              }238              this.firstName = first;239              this.lastName = last;240              this.dob = dob;241            },242            post : [243              function(first, last, dob) { return this.firstName === first; },244              function(first, last, dob) { return this.lastName === last; },245              function(first, last, dob) { return this.dob === dob; }246            ],247            excp : [248              function(first, last, dob, exc) { return isString(exc); },249              function(first, last, dob, exc) { return exc === "dob must be in the past (" + dob + ")"; },250              function(first, last, dob, exc) { return now <= dob; }251            ]252          },253          age : {254            pre  : [],255            impl : function() {256              return (new Date(now.getTime() - this.dob.getTime())).getFullYear() - 1970;257            },258            post : [259              function(result) {260                return result === (now.getFullYear() - this.dob.getFullYear() +261                ((now.getMonth() < this.dob.getMonth() ||262                  (now.getMonth() === this.dob.getMonth() && now.getDate() < this.dob.getDate())) ? 1 : 0));263              }264            ],265            excp : []266          }267        });268        // var pInstance = new (Object.getPrototypeOf(Person).cPrePostInvar(Person))("Jan", "Dockx", new Date(1966, 10, 3));269        var pInstance = new Person("Jan", "Dockx", new Date(1966, 9, 3));270        var age = pInstance.age.applyPostInvarCheck(pInstance);271      }272    ]);273  }...

lazy.js

Source:lazy.js

...29    this.context = a_context;30    // to String representation31    this.toString = function () {32      return serializeWQuotes33        ? `'${toStringMethod(self.context)}'`34        : toStringMethod(self.context);35    };36    this.last_compute_cycle = last_compute_cycle; // Compute cycle to check if cache is up to date37    this.code = compiledExpr; // Expression to evaluate every time cache has been invalidated38    this.cache = cache; // Cached value39    // this.type   = type;40    this.rep = code_rep; // Compiled code for comparation only41    this.initial_string_method = toStringMethod;42  }43  isLazy() {44    return true;45  }46  copy(new_context) {47    const { CopyObject, copyContext } = require("./deepCopy.js");48    const new_cache = CopyObject(this.cache);...

fast-check-extension.ts

Source:fast-check-extension.ts

1// Copyright (c) 2021-2022 Peter Matta2//3// This source code is licensed under the MIT license found in the4// LICENSE file in the root directory of this source tree.5import { toStringMethod, stringify } from 'fast-check';6import { Eval } from '@fp4ts/cats-core/lib/eval/algebra';7import { Chain } from '@fp4ts/cats-core/lib/data/collections/chain/algebra';8import {9  LazyList,10  _LazyList,11} from '@fp4ts/cats-core/lib/data/collections/lazy-list';12(Eval.prototype as any)[toStringMethod] = function (this: Eval<unknown>) {13  return `Eval(${this.value})`;14};15(Chain.prototype as any)[toStringMethod] = function (this: Chain<unknown>) {16  return `Chain(${stringify(this.toArray)})`;17};18(_LazyList.prototype as any)[toStringMethod] = function (19  this: LazyList<unknown>,20) {21  return `LazyList(${stringify(this.toArray)})`;...

Using AI Code Generation

1const { toStringMethod } = require('fast-check-monorepo');2const fc = require('fast-check');3const { toStringMethod } = require('fast-check-monorepo');4const arb = fc.array(fc.integer());5`toStringMethod(arb: Arbitrary): string`6`toStringMethodOf(instance: any): string`7`toStringMethodOfArbitrary(instance: any): string`8`toStringMethodOfArbitraryConstructor(instance: any): string`9`toStringMethodOfArbitraryConstructorOf(instance: any): string`10`toStringMethodOfArbitraryOf(instance: any): string`11`toStringMethodOfArbitraryProperty(instance: any): string`12`toStringMethodOfArbitraryPropertyOf(instance: any): string`13`toStringMethodOfArbitraryPropertyOfArbitrary(instance: any): string`14`toStringMethodOfArbitraryPropertyOfArbitraryConstructor(instance: any): string`

Using AI Code Generation

1const { toStringMethod } = require("fast-check-monorepo");2const myObject = {3  toString: toStringMethod("myObject"),4};5console.log(myObject.toString());6[MIT](LICENSE)

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.