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How to use .stringDiff method in unexpected

Best JavaScript code snippet using unexpected

chronicle.js

Source:chronicle.js

1(function () {2  "use strict";3  //Set this to change what the maxiumum number of characters an undo will be to a string if using the string specific saving4  var MAX_STRING_CHANGE_SIZE = 15;5  var isDefined = angular.isDefined,6    isUndefined = angular.isUndefined,7    isFunction = angular.isFunction,8    isArray = angular.isArray,9    isString = angular.isString,10    isObject = angular.isObject,11    isDate = angular.isDate,12    forEach = angular.forEach,13    copy = angular.copy,14    bind = angular.bind;15  //These 3 functions are stolen from AngularJS to be able to use the modified angular.equals16  function isRegExp(value) {17    return value instanceof RegExp;18  }19  function isWindow(obj) {20    return obj && obj.window === obj;21  }22  function isScope(obj) {23    return obj && obj.$evalAsync && obj.$watch;24  }25  //This is a modified version of angular.equals, allowing me to see exactly *what* isn't equal26  //It returns an object as so:27  //  isEqual: self explanitory28  //  unequalVariable: returns where it finds something unequal ie if your watch variable is $scope.obj and $scope.obj.arr[0].foo was changed, it will return ".arr[0].foo"29  //  stringDiff: was it a string change that caused the unequality or not30  //  o1, o2 are just the two unequal objects31  function equals(o1, o2) {32    if (o1 === o2) return {isEqual: true, unequalVariable: '', stringDiff: false, o1: o1, o2: o2};33    if (o1 === null || o2 === null) return {isEqual: false, unequalVariable: '', stringDiff: false, o1: o1, o2: o2};34    if (o1 !== o1 && o2 !== o2) return {isEqual: true, unequalVariable: '', stringDiff: false, o1: o1, o2: o2}; // NaN === NaN35    var t1 = typeof o1, t2 = typeof o2, length, key, keySet;36    if (t1 == t2) {37      if (t1 == 'string') {38        if (o1 != o2){39          return {isEqual: false, unequalVariable: '', stringDiff: true, o1: o1, o2: o2};40        }41      }42      if (t1 == 'object') {43        if (isArray(o1)) {44          if (!isArray(o2)) return {isEqual: false, unequalVariable: '', stringDiff: false, o1: o1, o2: o2};45          if ((length = o1.length) == o2.length) {46            var returnEq = {isEqual: true, unequalVariable: '', stringDiff: false, o1: o1, o2: o2};47            for(key=0; key<length; key++) {48              var eq = equals(o1[key], o2[key]);49              if (!eq.isEqual){50                eq.unequalVariable = '['+String(key)+']' + eq.unequalVariable;51                if (!eq.stringDiff){52                  return eq;53                } else {54                  returnEq = eq;55                }56              }57            }58            return returnEq;59          }60        } else if (isDate(o1)) {61          return {isEqual: isDate(o2) && o1.getTime() == o2.getTime(), unequalVariable: '', stringDiff: false, o1: o1, o2: o2};62        } else if (isRegExp(o1) && isRegExp(o2)) {63          return {isEqual: o1.toString() == o2.toString(), unequalVariable: '', stringDiff: false, o1: o1, o2: o2};64        } else {65          if (isScope(o1) || isScope(o2) || isWindow(o1) || isWindow(o2) || isArray(o2)) return {isEqual: false, unequalVariable: '', stringDiff: false, o1: o1, o2: o2};66          keySet = {};67          var returnEq = {isEqual: true, unequalVariable: '', stringDiff: false, o1: o1, o2: o2}68          for(key in o1) {69            if (key.charAt(0) === '$' || isFunction(o1[key])) continue;70            var eq = equals(o1[key], o2[key]);71            if (!eq.isEqual){72              eq.unequalVariable = '.'+String(key) + eq.unequalVariable;73              if (!eq.stringDiff){74                return eq;75              } else {76                returnEq = eq;77              }78            }79            keySet[key] = true;80          }81          for(key in o2) {82            if (!keySet.hasOwnProperty(key) &&83                key.charAt(0) !== '$' &&84                o2[key] !== undefined &&85                !isFunction(o2[key])) return {isEqual: false, unequalVariable: '', stringDiff: false, o1: o1, o2: o2};86          }87          return returnEq;88        }89      }90    }91    return {isEqual: false, unequalVariable: '', stringDiff: false, o1: o1, o2: o2};92  }93  //Given two strings, it compares the two and returns two things:94  //   -areSimilar: a boolean value which is true iff all the characters in the smaller string are contained, in the same order, in the bigger string95  //   -differences: an array which contains entries which are the seperated extras in the larger string. This is hard to explain so an example is useful:96  //97  //   Given the strings "abcdefghijklmnopqrstuvwxyz" and "abUUUcdefghijklmnopqrstuvwAAAAxyz123", the return value will be:98  //   { areSimilar: true (since the second one contains the first one in order)99  //   differences: ['UUU', 'AAAA', '123']}100  function similarStringDifference(string1, string2){101    if (string1 && string2){102      var s1, s2;103      //Ensuring s2 is longer or the same length as s1104      if (string1.length > string2.length){105        s2 = string1.split("");106        s1 = string2.split("");107      }108      else{109        s1 = string1.split("");110        s2 = string2.split("");111      }112      var j = 0;113      var difference;114      var differences = [];115      for (var i = 0; (i < s1.length) && (j<s2.length); i++){116        difference = '';117        while(s1[i] != s2[j] && j<s2.length){118          difference += s2[j];119          j++;120        }121        //now s1[i] == s2[j] or j==s2.length122        if (difference) differences.push(difference);123        if (s1[i] == s2[j]) j++;124      }125      var areSimilar = (i == s1.length);126      if (j<s2.length){127        difference = '';128        while (j<s2.length){129          difference += s2[j];130          j++;131        }132        differences.push(difference);133      }134    }135    else{136      var areSimilar = false;137      var differences = [];138    }139    return {areSimilar: areSimilar, differences: differences};140  }141  //This function determines if the differences in two strings provide a big enough difference to warrant a new spot in the archive142  //This function is given the difference array from similarStringDifference143  //This difference array will be in the following format:144  //  Given the strings "abcdefghijklmnopqrstuvwxyz" and "abUUUcdefghijklmnopqrstuvwAAAAxyz123", the difference array will be145  //  differences: ['UUU', 'AAAA', '123']146  //The differences are determined to be too similar if the following are true:147  //  There is only one entry in the array148  //  There are only alpha-numeric characters in the difference149  function tooSimilar(differences){150    var whiteSpace = /\s/g;151    if (differences.length == 1){152      for (var a in differences[0]){153        if (differences[0].hasOwnProperty(a) && differences[0][a].match(whiteSpace)){154          return false;155        }156      }157    }158    else{159      return false;160    }161   return true;162  }163  angular.module('Chronicle', []).service('Chronicle', ['$rootScope', '$parse',164    function ($rootScope, $parse) {165      //This is called to create the Watch166      this.record = function record( watchVar, scope, stringHandling, noWatchVars ){167        var newWatch = new Watch(watchVar, scope, stringHandling, noWatchVars);168        return newWatch;169      };170      //Initializing Watch171      var Watch = function Watch(watchVar, scope, stringHandling, noWatchVars){172        //watchVar173        if (!isString(watchVar)){174          throw new Error("Watch variable that is not a string was passed to Chronicle.");175        }176        else{177          this.watchVar = watchVar;178          this.parsedWatchVar = $parse(watchVar);179          if (isUndefined(this.parsedWatchVar(scope))){180            throw new Error(watchVar + ", the watch variable passed to Chronicle, is not defined in the given scope.");181          }182        }183        //scope184        if (isUndefined(scope)){185          throw new Error("Undefined scope passed to Chronicle.");186        }187        else{188          if (isScope(scope)){189            this.isScope = true;190          }191          else if (isObject(scope)){192            this.isScope = false;193          }194          else{195            throw new Error("Incorrect scope type passed to Chronicle.");196          }197          this.scope = scope;198        }199        //stringHandling200        if (stringHandling !== true && stringHandling !== 'true'){201          this.stringHandling = false;202        }203        else{204          this.stringHandling = true;205        }206        //noWatchVars207        this.parsedNoWatchVars = [];208        if (isArray(noWatchVars)){209          for (var i in noWatchVars){210            if (!isString(noWatchVars[i])){211              throw new Error("Not all passed 'no watch' variables are in string format");212            }213            else {214              this.parsedNoWatchVars.push($parse(noWatchVars[i]));215              if (isUndefined(this.parsedNoWatchVars[i](scope))){216                throw new Error(noWatchVars[i] + ", a 'no watch' variable passed to Chronicle, is not defined in the given scope");217              }218            }219          }220        }221        else if (isString(noWatchVars)){222          this.parsedNoWatchVars.push($parse(noWatchVars));223          if (isUndefined(this.parsedNoWatchVars[0](scope))){224            throw new Error(noWatchVars + ", the 'no watch' variable passed to Chronicle, is not defined in the given scope");225          }226        }227        else if (!isUndefined(noWatchVars)){228          throw new Error ("Incorect type for 'no watch' variables");229        }230        //Other variables on watch that need initializtion231        this.archive = [];232        this.onAdjustFunctions = [];233        this.onRedoFunctions = [];234        this.onUndoFunctions = [];235        this.currArchivePos = null;236        this.addWatch();237      };238      //Adds a function that will be called whenever a new archive entry is created239      Watch.prototype.addOnAdjustFunction = function addOnAdjustFunction(fn){240        if (isFunction(fn)){241          this.onAdjustFunctions.push(fn);242        }243        else{244          throw new Error("Function added to run on adjustment is not a function");245        }246      };247      //Removes a function that will is called whenever a new archive entry is created248      Watch.prototype.removeOnAdjustFunction = function removeOnAdjustFunction(fn){249        this.onAdjustFunctions.splice(this.onAdjustFunctions.indexOf(fn), 1);250      };251      //Adds a function that will be called whenever an undo happens252      Watch.prototype.addOnUndoFunction = function addOnUndoFunction(fn){253        if (isFunction(fn)){254          this.onUndoFunctions.push(fn);255        }256        else{257          throw new Error("Function added to run on undo is not a function");258        }259      };260      //Removes a function that is called whenever an undo happens261      Watch.prototype.removeOnUndoFunction = function removeOnUndoFunction(fn){262        this.onUndoFunctions.splice(this.onUndoFunctions.indexOf(fn), 1);263      };264      //Adds a function that will be called whenever an redo happens265      Watch.prototype.addOnRedoFunction = function addOnRedoFunction(fn){266        if (isFunction(fn)){267          this.onRedoFunctions.push(fn);268        }269        else{270          throw new Error("Function added to run on redo is not a function");271        }272      };273      //Removes a function that is called whenever an undo happens274      Watch.prototype.removeOnRedoFunction = function removeOnRedoFunction(fn){275        this.onRedoFunctions.splice(this.onRedoFunctions.indexOf(fn), 1);276      };277      //Performs the entire undo on the Watch object278      //Returns: true if successful undo, false otherwise279      Watch.prototype.undo = function undo() {280        if (this.canUndo()){281          this.currArchivePos -= 1;282          this.revert(this.currArchivePos);283          //Running the functions designated to run on undo284          for (var i = 0; i < this.onUndoFunctions.length; i++){285            this.onUndoFunctions[i]();286          }287          return true;288        }289        return false;290      };291      //Performs the entire redo on the Watch object292      //Returns: true if successful undo, false otherwise293      Watch.prototype.redo = function redo() {294        if (this.canRedo()){295          this.currArchivePos += 1;296          this.revert(this.currArchivePos);297          //Running the functions designated to run on redo298          for (var i = 0; i < this.onRedoFunctions.length; i++){299            this.onRedoFunctions[i]();300          }301          return true;302        }303        return false;304      };305      //Given an index in the archive, reverts all watched and non watched variables to that location in the archive306      Watch.prototype.revert = function revert(revertToPos){307        this.parsedWatchVar.assign(this.scope, copy(this.archive[revertToPos].watchVar));308        for (var i = 0; i < this.parsedNoWatchVars.length; i++){309          this.parsedNoWatchVars[i].assign(this.scope, copy(this.archive[revertToPos].noWatchVars[i]));310        }311      };312      //Returns true if a redo can be performed, false otherwise313      Watch.prototype.canRedo = function canRedo() {314        if (this.currArchivePos < this.archive.length-1){315          return true;316        }317        return false;318      };319      //Returns true if an undo can be performed, false otherwise320      Watch.prototype.canUndo = function canUndo() {321        if (this.currArchivePos > 0){322          return true;323        }324        return false;325      };326      //This function adds the current state of the watch variable and non watch variables if it should be added327      //In order to *not* be added, the following conditions must be fulfilled328      //  There is stringHandling turned on329      //  There was a String-related change since the last archived spot330      //  The differences in the strings from the new and last archive aren't significant (using tooSimilar)331      Watch.prototype.addToArchive = function addToArchive() {332        var shouldBeAdded = false;333        if (this.archive.length){334          //comparing to ensure there was a real change made and not just an undo/redo335          var eq = equals(this.parsedWatchVar(this.scope), this.archive[this.currArchivePos].watchVar);336          if(!eq.isEqual){337            //So now we know it's not an undo/redo that caused the change.338            shouldBeAdded = true;339            //Getting the parsed variable that caused the inequality340            var parsedUnequalVariable = $parse(this.watchVar + eq.unequalVariable);341            //now we are going to look at string differences... This block only matters if the watch has been initialized with their stringHandling set to true342            if (this.stringHandling && eq.stringDiff){343              var tooSim = false;344              var differenceObject = similarStringDifference(eq.o1,eq.o2);345              if (differenceObject.areSimilar){346                if (this.archive[this.currArchivePos].parsedUnequalVariable == parsedUnequalVariable){347                  //We only consider them too similar if the same variable was changed last time and this time and their differences are considered to not be big enough by tooSimilar()348                  //Too similar means the349                  var tooSim = tooSimilar(differenceObject.differences);350                  if (typeof($parse('watchVar'+eq.unequalVariable)(this.archive[this.currArchivePos-1])) != 'string'){351                    tooSim = false;352                  }353                  else if (tooSim){354                    //Checks to see if the length of the string that was changed is more than MAX_STRING_CHANGE_SIZE characters in length different in the most recent entry than in the previous entry.355                    //($parse('watchVar'+eq.unequalVariable)(this.archive[this.currArchivePos-1]) is the most confusing part, it boils down as such:356                    //$parse('watchVar'+eq.unequalVariable) is the parsedUnequalVariable but swapping out 'watchVar' for this.watchVar (a string containing the name of the watch var in the scope)357                    //(this.archive[this.currArchivePos-1]) is the archive entry before the one we are on. We look at the one before because the one we are currently on is likely going to be overwritten.358                    if (Math.abs($parse('watchVar'+eq.unequalVariable)(this.archive[this.currArchivePos-1]).length - $parse('watchVar'+eq.unequalVariable)(this.archive[this.currArchivePos]).length) >= MAX_STRING_CHANGE_SIZE){359                      tooSim = false;360                    }361                  }362                }363              }364            }365          }366        }367        else{368          //Adding to the archive if there isn't an entry in the archive yet369          shouldBeAdded = true;370        }371        if (shouldBeAdded){372          this.newEntry(tooSim, parsedUnequalVariable);373        }374      };375      //Creates new archive entry, and deletes the one before it if asked to376      Watch.prototype.newEntry = function newEntry(removeOneBefore, parsedUnequalVariable) {377        //Adding all watched and non watched variables to the snapshot, which will be archived378        var currentSnapshot = {};379        currentSnapshot.noWatchVars = [];380        currentSnapshot.parsedUnequalVariable = parsedUnequalVariable;381        //Creating the snapshot382        currentSnapshot.watchVar = copy(this.parsedWatchVar(this.scope));383        for (var i = 0; i < this.parsedNoWatchVars.length; i++){384          currentSnapshot.noWatchVars.push(copy(this.parsedNoWatchVars[i](this.scope)));385        }386        //Archiving the current state of the variables387        if (this.archive.length - 1 > this.currArchivePos){388          //Cutting off the end of the archive if you were in the middle of your archive and made a change389          var diff = this.archive.length - this.currArchivePos - 1;390          this.archive.splice(this.currArchivePos+1, diff);391        }392        //Since this entry and the one before it are too similar, and you aren't on the last object left, remove the object you are on (since a newer one will be added soon)393        if (removeOneBefore){394          this.archive.splice(this.currArchivePos, 1);395        }396        this.archive.push(currentSnapshot);397        this.currArchivePos = this.archive.length -1;398        //Running the functions designated to run on adjustment399        for (i = 0; i < this.onAdjustFunctions.length; i++){400          this.onAdjustFunctions[i]();401        }402      };403      //Adds $watch to the watch variable404      Watch.prototype.addWatch = function addWatch() {405        var _this = this;406        if (_this.isScope){407          //this is assuming the scope given variable is the angular '$scope'408          _this.cancelWatch = _this.scope.$watch(_this.watchVar, function(){409            _this.addToArchive.apply(_this);410          }, true);411        }412        else{413          //This is assuming the scope variable given is using the controller as syntax414          //this is a funkier way of doing the above because $scope obscures a lot of the magic needed to $watch a variable415          _this.cancelWatch = $rootScope.$watch(bind(_this, function() {416            return _this.parsedWatchVar(_this.scope);417          }) , function(){418                _this.addToArchive.apply(_this);419          } , true);420        }421      };422    }]);...

lineDiff.js

Source:lineDiff.js

1const jsDiff = require('diff')2const chalk = require('chalk')3module.exports = (lineContent, mutantLineContent) => {4  return jsDiff.diffWords(lineContent.trim(), mutantLineContent.trim()).map(stringDiff => {5    if (stringDiff.added) return chalk.bgGreen(stringDiff.value)6    else if (stringDiff.removed) return chalk.bgRed(stringDiff.value)7    else return chalk.inverse(stringDiff.value)8  }).join('')...

Using AI Code Generation

1const unexpected = require('unexpected');2const unexpectedString = require('unexpected-string');3const expect = unexpected.clone().use(unexpectedString);4const actual = "Hello World";5const expected = "Hello World";6expect(actual, 'to equal', expected);7const unexpected = require('unexpected');8const unexpectedString = require('unexpected-string');9const expect = unexpected.clone().use(unexpectedString);10const actual = "Hello World";11const expected = "Hello World1";12expect(actual, 'to equal', expected);

Using AI Code Generation

1var unexpected = require('unexpected');2var expect = unexpected.clone();3var diff = require('string-diff');4expect.addAssertion('<string> [not] to be equal to <string>', function (expect, subject, value) {5    var diffResult = diff(subject, value);6    return expect(diffResult, '[not] to be empty');7});8var unexpected = require('unexpected');9var expect = unexpected.clone();10var diff = require('string-diff');11expect.addAssertion('<string> [not] to be equal to <string>', function (expect, subject, value) {12    var diffResult = diff(subject, value);13    return expect(diffResult, '[not] to be empty');14});15var unexpected = require('unexpected');16var expect = unexpected.clone();17var diff = require('string-diff');18expect.addAssertion('<string> [not] to be equal to <string>', function (expect, subject, value) {19    var diffResult = diff(subject, value);20    return expect(diffResult, '[not] to be empty');21});22var unexpected = require('unexpected');23var expect = unexpected.clone();24var diff = require('string-diff');25expect.addAssertion('<string> [not] to be equal to <string>', function (expect, subject, value) {26    var diffResult = diff(subject, value);27    return expect(diffResult, '[not] to be empty');28});29var unexpected = require('unexpected');30var expect = unexpected.clone();31var diff = require('string-diff');32expect.addAssertion('<string> [not] to be equal to <string>', function (expect, subject, value) {33    var diffResult = diff(subject, value);34    return expect(diffResult, '[not] to be empty');35});36var unexpected = require('unexpected');37var expect = unexpected.clone();38var diff = require('string-diff');39expect.addAssertion('<string> [not] to be equal to <string>', function (expect, subject, value) {40    var diffResult = diff(subject, value);41    return expect(diffResult, '[not] to be empty');42});43var unexpected = require('unexpected

Using AI Code Generation

1var unexpected = require('unexpected');2var expect = unexpected.clone();3var unexpected = require('unexpected');4var expect = unexpected.clone();5expect.output.preferredWidth = 80;6var unexpected = require('unexpected');7var expect = unexpected.clone();8expect.output.preferredWidth = 80;9expect.output.inlineDiff = true;10var unexpected = require('unexpected');11var expect = unexpected.clone();12expect.output.preferredWidth = 80;13expect.output.inlineDiff = true;14expect.output.diffStyle = 'line';15var unexpected = require('unexpected');16var expect = unexpected.clone();17expect.output.preferredWidth = 80;18expect.output.inlineDiff = true;19expect.output.diffStyle = 'line';20expect.output.diffLines = 3;21var unexpected = require('unexpected');22var expect = unexpected.clone();23expect.output.preferredWidth = 80;24expect.output.inlineDiff = true;25expect.output.diffStyle = 'line';26expect.output.diffLines = 3;27expect.output.maxDepth = 3;28var unexpected = require('unexpected');29var expect = unexpected.clone();30expect.output.preferredWidth = 80;31expect.output.inlineDiff = true;32expect.output.diffStyle = 'line';33expect.output.diffLines = 3;34expect.output.maxDepth = 3;35expect.output.showCommonLines = true;36var unexpected = require('unexpected');37var expect = unexpected.clone();38expect.output.preferredWidth = 80;39expect.output.inlineDiff = true;40expect.output.diffStyle = 'line';41expect.output.diffLines = 3;42expect.output.maxDepth = 3;43expect.output.showCommonLines = true;44expect.output.showFirstFewLinesOfStrings = 10;45var unexpected = require('unexpected');46var expect = unexpected.clone();47expect.output.preferredWidth = 80;48expect.output.inlineDiff = true;49expect.output.diffStyle = 'line';50expect.output.diffLines = 3;51expect.output.maxDepth = 3;52expect.output.showCommonLines = true;53expect.output.showFirstFewLinesOfStrings = 10;

Using AI Code Generation

1var expect = require('unexpected').clone();2var diff = require('unexpected-string').stringDiff;3expect.output.preferredWidth = 80;4expect.output.installPlugin(require('unexpected-snapshot'));5expect.addAssertion('<string> to equal <string>', function (expect, subject, value) {6    return expect(subject, 'to equal', value, diff);7});8expect('abc', 'to equal', 'abcd');9var expect = require('unexpected').clone();10var diff = require('unexpected-string').stringDiff;11expect.output.preferredWidth = 80;12expect.output.installPlugin(require('unexpected-snapshot'));13expect.addAssertion('<string> to equal <string>', function (expect, subject, value) {14    return expect(subject, 'to equal', value, diff);15});16expect('abc', 'to equal', 'abcd');

Using AI Code Generation

1var expect = require('unexpected').clone();2var str1 = 'abc';3var str2 = 'ab';4expect(str1, 'to stringDiff', str2);5var expect = require('unexpected').clone();6var str1 = 'abc';7var str2 = 'ab';8expect(str1, 'to stringDiff', str2, {output: 'html'});9var expect = require('unexpected').clone();10var str1 = 'abc';11var str2 = 'ab';12expect(str1, 'to stringDiff', str2, {output: 'text'});13var expect = require('unexpected').clone();14var str1 = 'abc';15var str2 = 'ab';16expect(str1, 'to stringDiff', str2, {output: 'text', inline: true});17var expect = require('unexpected').clone();18var str1 = 'abc';19var str2 = 'ab';20expect(str1, 'to stringDiff', str2, {output: 'text', inline: false});21var expect = require('unexpected').clone();22var str1 = 'abc';23var str2 = 'ab';24expect(str1, 'to stringDiff', str2, {output: 'text', inline: 'auto'});25var expect = require('unexpected').clone();26var str1 = 'abc';27var str2 = 'ab';28expect(str1, 'to stringDiff', str2, {output: 'text', inline: 'auto', maxLength: 3});29var expect = require('unexpected').clone();30var str1 = 'abc';31var str2 = 'ab';32expect(str1, 'to stringDiff', str2, {output: 'text', inline: 'auto', maxLength: 3, maxDepth: 1});

Using AI Code Generation

1var expect = require('unexpected').clone();2var diff = require('diff');3var stringDiff = require('unexpected-string-diff');4expect.installPlugin(stringDiff);5describe('Test', function() {6    it('should fail', function() {7        expect('hello', 'to equal', 'heloo');8    });9});10var expect = require('unexpected').clone();11var diff = require('diff');12var stringDiff = require('unexpected-string-diff');13expect.installPlugin(stringDiff);14describe('Test', function() {15    it('should fail', function() {16        expect('hello', 'to equal', 'heloo');17    });18});

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