How to use .stringDiff method in unexpected

Best JavaScript code snippet using unexpected

chronicle.js

Source:chronicle.js Github

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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 }]);...

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lineDiff.js

Source:lineDiff.js Github

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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('')...

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Using AI Code Generation

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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);

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Using AI Code Generation

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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

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Using AI Code Generation

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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;

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Using AI Code Generation

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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');

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Using AI Code Generation

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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});

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Using AI Code Generation

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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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