How to use wordArbitrary method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

WordsToLorem.spec.ts

Source:WordsToLorem.spec.ts Github

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1import fc from 'fast-check';2import {3 sentencesToParagraphMapper,4 sentencesToParagraphUnmapper,5 wordsToJoinedStringMapper,6 wordsToJoinedStringUnmapperFor,7 wordsToSentenceMapper,8 wordsToSentenceUnmapperFor,9} from '../../../../../src/arbitrary/_internals/mappers/WordsToLorem';10import { fakeArbitrary } from '../../__test-helpers__/ArbitraryHelpers';11const wordArbitraryWithoutComma = fc.stringOf(12 fc.nat({ max: 25 }).map((v) => String.fromCodePoint(97 + v)),13 { minLength: 1 }14);15const wordArbitrary = fc16 .tuple(wordArbitraryWithoutComma, fc.boolean())17 .map(([word, hasComma]) => (hasComma ? `${word},` : word));18const wordsArrayArbitrary = fc.uniqueArray(wordArbitrary, {19 minLength: 1,20 selector: (entry) => (entry.endsWith(',') ? entry.substring(0, entry.length - 1) : entry),21});22describe('wordsToJoinedStringMapper', () => {23 it.each`24 words | expectedOutput | behaviour25 ${['il', 'était', 'une', 'fois']} | ${'il était une fois'} | ${'join using space'}26 ${['demain,', 'il', 'fera', 'beau']} | ${'demain il fera beau'} | ${'trim trailing commas on each word'}27 ${['demain', 'il,', 'fera', 'beau,']} | ${'demain il fera beau'} | ${'trim trailing commas on each word'}28 `('should map $words into $expectedOutput ($behaviour)', ({ words, expectedOutput }) => {29 // Arrange / Act30 const out = wordsToJoinedStringMapper(words);31 // Assert32 expect(out).toBe(expectedOutput);33 });34});35describe('wordsToJoinedStringUnmapperFor', () => {36 it('should unmap string made of words strictly coming from the source', () => {37 // Arrange38 const { instance: wordsArbitrary, canShrinkWithoutContext } = fakeArbitrary<string>();39 canShrinkWithoutContext.mockImplementation(40 (value) => typeof value === 'string' && ['hello', 'world', 'winter', 'summer'].includes(value)41 );42 // Act43 const unmapper = wordsToJoinedStringUnmapperFor(wordsArbitrary);44 const unmappedValue = unmapper('hello hello winter world');45 // Assert46 expect(unmappedValue).toEqual(['hello', 'hello', 'winter', 'world']);47 });48 it('should unmap string made of words with some having trimmed commas', () => {49 // Arrange50 const { instance, canShrinkWithoutContext } = fakeArbitrary<string>();51 canShrinkWithoutContext.mockImplementation(52 (value) => typeof value === 'string' && ['hello,', 'world,', 'winter', 'summer'].includes(value)53 );54 // Act55 const unmapper = wordsToJoinedStringUnmapperFor(instance);56 const unmappedValue = unmapper('hello hello winter world');57 // Assert58 expect(unmappedValue).toEqual(['hello,', 'hello,', 'winter', 'world,']);59 });60 it('should reject strings containing unknown words', () => {61 // Arrange62 const { instance, canShrinkWithoutContext } = fakeArbitrary<string>();63 canShrinkWithoutContext.mockImplementation(64 (value) => typeof value === 'string' && ['hello,', 'world,', 'spring', 'summer'].includes(value)65 );66 // Act / Assert67 const unmapper = wordsToJoinedStringUnmapperFor(instance);68 expect(() => unmapper('hello hello winter world')).toThrowError();69 });70 it('should unmap any string coming from the mapper', () =>71 fc.assert(72 fc.property(wordsArrayArbitrary, (words) => {73 // Arrange74 const { instance, canShrinkWithoutContext } = fakeArbitrary<string>();75 canShrinkWithoutContext.mockImplementation((value) => typeof value === 'string' && words.includes(value));76 // Act77 const mapped = wordsToJoinedStringMapper(words);78 const unmapper = wordsToJoinedStringUnmapperFor(instance);79 const unmappedValue = unmapper(mapped);80 // Assert81 expect(unmappedValue).toEqual(words);82 })83 ));84});85describe('wordsToSentenceMapper', () => {86 it.each`87 words | expectedOutput | behaviour88 ${['il', 'était', 'une', 'fois']} | ${'Il était une fois.'} | ${'join using space'}89 ${['demain,', 'il', 'fera', 'beau']} | ${'Demain, il fera beau.'} | ${'trim trailing commas only on last word'}90 ${['demain', 'il,', 'fera', 'beau,']} | ${'Demain il, fera beau.'} | ${'trim trailing commas only on last word'}91 ${['demain']} | ${'Demain.'} | ${'one word sentence'}92 ${['demain,']} | ${'Demain.'} | ${'one word comma-ending sentence'}93 `('should map $words into $expectedOutput ($behaviour)', ({ words, expectedOutput }) => {94 // Arrange / Act95 const out = wordsToSentenceMapper(words);96 // Assert97 expect(out).toBe(expectedOutput);98 });99});100describe('wordsToSentenceUnmapperFor', () => {101 it('should unmap string made of words strictly coming from the source', () => {102 // Arrange103 const { instance: wordsArbitrary, canShrinkWithoutContext } = fakeArbitrary<string>();104 canShrinkWithoutContext.mockImplementation(105 (value) => typeof value === 'string' && ['hello', 'world', 'winter', 'summer'].includes(value)106 );107 // Act108 const unmapper = wordsToSentenceUnmapperFor(wordsArbitrary);109 const unmappedValue = unmapper('Hello hello winter world.');110 // Assert111 expect(unmappedValue).toEqual(['hello', 'hello', 'winter', 'world']);112 });113 it('should unmap string made of words with last one having trimmed comma', () => {114 // Arrange115 const { instance, canShrinkWithoutContext } = fakeArbitrary<string>();116 canShrinkWithoutContext.mockImplementation(117 (value) => typeof value === 'string' && ['hello,', 'world,', 'winter', 'summer'].includes(value)118 );119 // Act120 const unmapper = wordsToSentenceUnmapperFor(instance);121 const unmappedValue = unmapper('Hello, hello, winter world.');122 // Assert123 expect(unmappedValue).toEqual(['hello,', 'hello,', 'winter', 'world,']);124 });125 it('should reject strings containing unknown words', () => {126 // Arrange127 const { instance, canShrinkWithoutContext } = fakeArbitrary<string>();128 canShrinkWithoutContext.mockImplementation(129 (value) => typeof value === 'string' && ['hello', 'world,', 'spring', 'summer'].includes(value)130 );131 // Act / Assert132 const unmapper = wordsToSentenceUnmapperFor(instance);133 expect(() => unmapper('Hello hello spring world.')).not.toThrowError();134 expect(() => unmapper('Hello hello winter world.')).toThrowError();135 });136 it('should reject strings not starting by a capital leter', () => {137 // Arrange138 const { instance, canShrinkWithoutContext } = fakeArbitrary<string>();139 canShrinkWithoutContext.mockImplementation(140 (value) => typeof value === 'string' && ['hello', 'world,', 'winter', 'summer'].includes(value)141 );142 // Act / Assert143 const unmapper = wordsToSentenceUnmapperFor(instance);144 expect(() => unmapper('Hello hello winter world.')).not.toThrowError();145 expect(() => unmapper('hello hello winter world.')).toThrowError();146 });147 it('should reject strings not ending by a point', () => {148 // Arrange149 const { instance, canShrinkWithoutContext } = fakeArbitrary<string>();150 canShrinkWithoutContext.mockImplementation(151 (value) => typeof value === 'string' && ['hello', 'world,', 'winter', 'summer'].includes(value)152 );153 // Act / Assert154 const unmapper = wordsToSentenceUnmapperFor(instance);155 expect(() => unmapper('Hello hello winter world.')).not.toThrowError();156 expect(() => unmapper('Hello hello winter world')).toThrowError();157 });158 it('should reject strings with last word ending by a comma followed by point', () => {159 // Arrange160 const { instance, canShrinkWithoutContext } = fakeArbitrary<string>();161 canShrinkWithoutContext.mockImplementation(162 (value) => typeof value === 'string' && ['hello', 'world,', 'winter', 'summer'].includes(value)163 );164 // Act / Assert165 const unmapper = wordsToSentenceUnmapperFor(instance);166 expect(() => unmapper('Hello hello winter world.')).not.toThrowError();167 expect(() => unmapper('Hello hello winter world,.')).toThrowError();168 });169 it("should reject strings if one of first words do not includes it's expected comma", () => {170 // Arrange171 const { instance, canShrinkWithoutContext } = fakeArbitrary<string>();172 canShrinkWithoutContext.mockImplementation(173 (value) => typeof value === 'string' && ['hello', 'world,', 'winter,', 'summer'].includes(value)174 );175 // Act / Assert176 const unmapper = wordsToSentenceUnmapperFor(instance);177 expect(() => unmapper('Hello hello winter, world.')).not.toThrowError();178 expect(() => unmapper('Hello hello winter world.')).toThrowError();179 });180 it('should unmap any string coming from the mapper', () =>181 fc.assert(182 fc.property(wordsArrayArbitrary, (words) => {183 // Arrange184 const { instance, canShrinkWithoutContext } = fakeArbitrary<string>();185 canShrinkWithoutContext.mockImplementation((value) => typeof value === 'string' && words.includes(value));186 // Act187 const mapped = wordsToSentenceMapper(words);188 const unmapper = wordsToSentenceUnmapperFor(instance);189 const unmappedValue = unmapper(mapped);190 // Assert191 expect(unmappedValue).toEqual(words);192 })193 ));194});195describe('wordsToSentenceUnmapperFor', () => {196 it('should unmap any string coming from the mapper', () =>197 fc.assert(198 fc.property(199 fc.array(200 wordsArrayArbitrary.map((words) => wordsToSentenceMapper(words)),201 { minLength: 1 }202 ),203 (sentences) => {204 // Arrange / Act205 const mapped = sentencesToParagraphMapper(sentences);206 const unmappedValue = sentencesToParagraphUnmapper(mapped);207 // Assert208 expect(unmappedValue).toEqual(sentences);209 }210 )211 ));...

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lorem.ts

Source:lorem.ts Github

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1import { array } from './array';2import { constant } from './constant';3import { Arbitrary } from '../check/arbitrary/definition/Arbitrary';4import { MaybeWeightedArbitrary, oneof } from './oneof';5import {6 sentencesToParagraphMapper,7 sentencesToParagraphUnmapper,8 wordsToJoinedStringMapper,9 wordsToJoinedStringUnmapperFor,10 wordsToSentenceMapper,11 wordsToSentenceUnmapperFor,12} from './_internals/mappers/WordsToLorem';13import { SizeForArbitrary } from './_internals/helpers/MaxLengthFromMinLength';14/**15 * Constraints to be applied on {@link lorem}16 * @remarks Since 2.5.017 * @public18 */19export interface LoremConstraints {20 /**21 * Maximal number of entities:22 * - maximal number of words in case mode is 'words'23 * - maximal number of sentences in case mode is 'sentences'24 *25 * @remarks Since 2.5.026 */27 maxCount?: number;28 /**29 * Type of strings that should be produced by {@link lorem}:30 * - words: multiple words31 * - sentences: multiple sentences32 *33 * @defaultValue 'words'34 *35 * @remarks Since 2.5.036 */37 mode?: 'words' | 'sentences';38 /**39 * Define how large the generated values should be (at max)40 * @remarks Since 2.22.041 */42 size?: SizeForArbitrary;43}44/**45 * Helper function responsible to build the entries for oneof46 * @internal47 */48const h = (v: string, w: number): MaybeWeightedArbitrary<string> => {49 return { arbitrary: constant(v), weight: w };50};51/**52 * Number of occurences extracted from the lorem ipsum:53 * {@link https://fr.wikipedia.org/wiki/Faux-texte#Lorem_ipsum_(version_populaire)}54 *55 * Code generated using:56 * > Object.entries(57 * > text58 * > .replace(/[\r\n]/g, ' ')59 * > .split(' ')60 * > .filter(w => w.length > 0)61 * > .map(w => w.toLowerCase())62 * > .map(w => w[w.length-1] === '.' ? w.substr(0, w.length -1) : w)63 * > .reduce((acc, cur) => { acc[cur] = (acc[cur] || 0) + 1; return acc; }, {})64 * > )65 * > .sort(([w1, n1], [w2, n2]) => n2 - n1)66 * > .reduce((acc, [w, n]) => acc.concat([`h(${JSON.stringify(w)}, ${n})`]), [])67 * > .join(',')68 *69 * @internal70 */71function loremWord() {72 return oneof(73 h('non', 6),74 h('adipiscing', 5),75 h('ligula', 5),76 h('enim', 5),77 h('pellentesque', 5),78 h('in', 5),79 h('augue', 5),80 h('et', 5),81 h('nulla', 5),82 h('lorem', 4),83 h('sit', 4),84 h('sed', 4),85 h('diam', 4),86 h('fermentum', 4),87 h('ut', 4),88 h('eu', 4),89 h('aliquam', 4),90 h('mauris', 4),91 h('vitae', 4),92 h('felis', 4),93 h('ipsum', 3),94 h('dolor', 3),95 h('amet,', 3),96 h('elit', 3),97 h('euismod', 3),98 h('mi', 3),99 h('orci', 3),100 h('erat', 3),101 h('praesent', 3),102 h('egestas', 3),103 h('leo', 3),104 h('vel', 3),105 h('sapien', 3),106 h('integer', 3),107 h('curabitur', 3),108 h('convallis', 3),109 h('purus', 3),110 h('risus', 2),111 h('suspendisse', 2),112 h('lectus', 2),113 h('nec,', 2),114 h('ultricies', 2),115 h('sed,', 2),116 h('cras', 2),117 h('elementum', 2),118 h('ultrices', 2),119 h('maecenas', 2),120 h('massa,', 2),121 h('varius', 2),122 h('a,', 2),123 h('semper', 2),124 h('proin', 2),125 h('nec', 2),126 h('nisl', 2),127 h('amet', 2),128 h('duis', 2),129 h('congue', 2),130 h('libero', 2),131 h('vestibulum', 2),132 h('pede', 2),133 h('blandit', 2),134 h('sodales', 2),135 h('ante', 2),136 h('nibh', 2),137 h('ac', 2),138 h('aenean', 2),139 h('massa', 2),140 h('suscipit', 2),141 h('sollicitudin', 2),142 h('fusce', 2),143 h('tempus', 2),144 h('aliquam,', 2),145 h('nunc', 2),146 h('ullamcorper', 2),147 h('rhoncus', 2),148 h('metus', 2),149 h('faucibus,', 2),150 h('justo', 2),151 h('magna', 2),152 h('at', 2),153 h('tincidunt', 2),154 h('consectetur', 1),155 h('tortor,', 1),156 h('dignissim', 1),157 h('congue,', 1),158 h('non,', 1),159 h('porttitor,', 1),160 h('nonummy', 1),161 h('molestie,', 1),162 h('est', 1),163 h('eleifend', 1),164 h('mi,', 1),165 h('arcu', 1),166 h('scelerisque', 1),167 h('vitae,', 1),168 h('consequat', 1),169 h('in,', 1),170 h('pretium', 1),171 h('volutpat', 1),172 h('pharetra', 1),173 h('tempor', 1),174 h('bibendum', 1),175 h('odio', 1),176 h('dui', 1),177 h('primis', 1),178 h('faucibus', 1),179 h('luctus', 1),180 h('posuere', 1),181 h('cubilia', 1),182 h('curae,', 1),183 h('hendrerit', 1),184 h('velit', 1),185 h('mauris,', 1),186 h('gravida', 1),187 h('ornare', 1),188 h('ut,', 1),189 h('pulvinar', 1),190 h('varius,', 1),191 h('turpis', 1),192 h('nibh,', 1),193 h('eros', 1),194 h('id', 1),195 h('aliquet', 1),196 h('quis', 1),197 h('lobortis', 1),198 h('consectetuer', 1),199 h('morbi', 1),200 h('vehicula', 1),201 h('tortor', 1),202 h('tellus,', 1),203 h('id,', 1),204 h('eu,', 1),205 h('quam', 1),206 h('feugiat,', 1),207 h('posuere,', 1),208 h('iaculis', 1),209 h('lectus,', 1),210 h('tristique', 1),211 h('mollis,', 1),212 h('nisl,', 1),213 h('vulputate', 1),214 h('sem', 1),215 h('vivamus', 1),216 h('placerat', 1),217 h('imperdiet', 1),218 h('cursus', 1),219 h('rutrum', 1),220 h('iaculis,', 1),221 h('augue,', 1),222 h('lacus', 1)223 );224}225/**226 * For lorem ipsum string of words or sentences with maximal number of words or sentences227 *228 * @param constraints - Constraints to be applied onto the generated value (since 2.5.0)229 *230 * @remarks Since 0.0.1231 * @public232 */233export function lorem(constraints: LoremConstraints = {}): Arbitrary<string> {234 const { maxCount, mode = 'words', size } = constraints;235 if (maxCount !== undefined && maxCount < 1) {236 throw new Error(`lorem has to produce at least one word/sentence`);237 }238 const wordArbitrary = loremWord();239 if (mode === 'sentences') {240 const sentence = array(wordArbitrary, { minLength: 1, size: 'small' }).map(241 wordsToSentenceMapper,242 wordsToSentenceUnmapperFor(wordArbitrary)243 );244 return array(sentence, { minLength: 1, maxLength: maxCount, size }).map(245 sentencesToParagraphMapper,246 sentencesToParagraphUnmapper247 );248 } else {249 return array(wordArbitrary, { minLength: 1, maxLength: maxCount, size }).map(250 wordsToJoinedStringMapper,251 wordsToJoinedStringUnmapperFor(wordArbitrary)252 );253 }...

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1const fc = require('fast-check');2const { wordArbitrary } = require('fast-check/lib/arbitrary/WordArbitrary.js');3const { stringOf } = require('fast-check/lib/arbitrary/CharacterArbitrary.js');4const { set } = require('fast-check/lib/arbitrary/SetArbitrary.js');5const { frequency } = require('fast-check/lib/arbitrary/FrequencyArbitrary.js');6const { oneof } = require('fast-check/lib/arbitrary/OneOfArbitrary.js');7const { tuple } = require('fast-check/lib/arbitrary/TupleArbitrary.js');8const { option } = require('fast-check/lib/arbitrary/OptionArbitrary.js');9const { record } = require('fast-check/lib/arbitrary/RecordArbitrary.js');10const { array } = require('fast-check/lib/arbitrary/ArrayArbitrary.js');11const { constantFrom } = require('fast-check/lib/arbitrary/ConstantArbitrary.js');12const { nat } = require('fast-check/lib/arbitrary/NatArbitrary.js');13const { string, string16bits, string32bits, string64bits, stringJson, stringOf, stringAscii, stringFullUnicode } = require('fast-check/lib/arbitrary/StringArbitrary.js');14const { char, char16bits, char32bits } = require('fast-check/lib/arbitrary/CharacterArbitrary.js');15const { unicode, fullUnicode } = require('fast-check/lib/arbitrary/UnicodeArbitrary.js');16const { double } = require('fast-check/lib/arbitrary/DoubleArbitrary.js');17const { float } = require('fast-check/lib/arbitrary/FloatArbitrary.js');18const { integer, maxSafeInteger, minSafeInteger } = require('fast-check/lib/arbitrary/IntegerArbitrary.js');19const { boolean } = require('fast-check/lib/arbitrary/BooleanArbitrary.js');20const { date } = require('fast-check/lib/arbitrary/DateArbitrary.js');21const { option, option as optionFrom, optionNoUndefined } = require('fast-check/lib/arbitrary/OptionArbitrary.js');22const { constantFrom } = require('fast-check/lib/arbitrary/ConstantArbitrary.js');23const { frequency } = require('fast-check/lib/arbitrary/FrequencyArbitrary.js');24const { oneof, oneof as oneofFrom } = require('fast-check/lib/arbitrary/OneOfArbitrary.js');25const { tuple, tuple as tupleFrom }

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1const fc = require("fast-check");2const { wordArbitrary } = require("fast-check/lib/check/arbitrary/WordArbitrary.js");3fc.assert(4 fc.property(wordArbitrary(), (word) => {5 console.log(word);6 return true;7 })8);9const fc = require("fast-check");10const { wordArbitrary } = require("fast-check/lib/check/arbitrary/WordArbitrary.js");11fc.assert(12 fc.property(wordArbitrary(), (word) => {13 console.log(word);14 return true;15 })16);17const fc = require("fast-check");18const { wordArbitrary } = require("fast-check/lib/check/arbitrary/WordArbitrary.js");19fc.assert(20 fc.property(wordArbitrary(), (word) => {21 console.log(word);22 return true;23 })24);25const fc = require("fast-check");26const { wordArbitrary } = require("fast-check/lib/check/arbitrary/WordArbitrary.js");27fc.assert(28 fc.property(wordArbitrary(), (word) => {29 console.log(word);30 return true;31 })32);33const fc = require("fast-check");34const { wordArbitrary } = require("fast-check/lib/check/arbitrary/WordArbitrary.js");35fc.assert(36 fc.property(wordArbitrary(), (word) => {37 console.log(word);38 return true;39 })40);41const fc = require("fast-check");42const { wordArbitrary } = require("fast-check/lib/check/arbitrary/WordArbitrary.js");43fc.assert(44 fc.property(wordArbitrary(), (word) => {45 console.log(word);46 return true;47 })48);49const fc = require("fast-check");50const { wordArbitrary } = require("fast-check/lib/check/arbitrary/WordArbitrary.js");

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1const { wordArbitrary } = require('fast-check-monorepo');2const fc = require('fast-check');3const word = fc.sample(wordArbitrary(), 1);4console.log(word);5const { wordArbitrary } = require('fast-check-monorepo');6const fc = require('fast-check');7const word = fc.sample(wordArbitrary(), 1);8console.log(word);9const { wordArbitrary } = require('fast-check-monorepo');10const fc = require('fast-check');11const word = fc.sample(wordArbitrary(), 1);12console.log(word);13const { wordArbitrary } = require('fast-check-monorepo');14const fc = require('fast-check');15const word = fc.sample(wordArbitrary(), 1);16console.log(word);17const { wordArbitrary } = require('fast-check-monorepo');18const fc = require('fast-check');19const word = fc.sample(wordArbitrary(), 1);20console.log(word);21const { wordArbitrary } = require('fast-check-monorepo');22const fc = require('fast-check');23const word = fc.sample(wordArbitrary(), 1);24console.log(word);25const { wordArbitrary } = require('fast-check-monorepo');26const fc = require('fast-check');27const word = fc.sample(wordArbitrary(), 1);28console.log(word);29const { wordArbitrary } = require('fast-check-monorepo');30const fc = require('fast-check');31const word = fc.sample(wordArbitrary(), 1);32console.log(word);

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1const fc = require('fast-check');2const { wordArbitrary } = require('fast-check/lib/arbitrary/word.js');3const wordArb = wordArbitrary();4const wordArbUppercase = wordArbitrary({ minLength: 1, maxLength: 10, extraChars: 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' });5fc.assert(6 fc.property(7 (word) => {8 const wordUppercase = word.toUpperCase();9 return word === wordUppercase;10 }11);12const fc = require('fast-check');13const { wordArbitrary } = require('fast-check/lib/arbitrary/word.js');14const wordArb = wordArbitrary();15const wordArbUppercase = wordArbitrary({ minLength: 1, maxLength: 10, extraChars: 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' });16fc.assert(17 fc.property(18 (word) => {19 const wordUppercase = word.toUpperCase();20 return word === wordUppercase;21 }22);23const fc = require('fast-check');24const { wordArbitrary } = require('fast-check/lib/arbitrary/word.js');25const wordArb = wordArbitrary();26const wordArbUppercase = wordArbitrary({ minLength: 1, maxLength: 10, extraChars: 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' });27fc.assert(28 fc.property(29 (word) => {30 const wordUppercase = word.toUpperCase();31 return word === wordUppercase;32 }33);34const fc = require('fast-check');35const { wordArbitrary } = require('fast-check/lib/arbitrary/word.js');36const wordArb = wordArbitrary();37const wordArbUppercase = wordArbitrary({ minLength: 1, maxLength: 10, extraChars: 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' });38fc.assert(39 fc.property(40 (word) => {

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1const fc = require('fast-check');2const { wordArbitrary } = require('fast-check/lib/arbitrary/WordArbitrary.js');3const word = fc.sample(wordArbitrary(), 10);4console.log(word);5const word = fc.sample(wordArbitrary(), 10, { seed: 42 });6console.log(word);7const word = fc.sample(wordArbitrary(), 10, { seed: 42, path: 'test3.js' });8console.log(word);9const word = fc.sample(wordArbitrary(), 10, { seed: 42, path: 'test3.js', endOnFailure: false });10console.log(word);11const word = fc.sample(wordArbitrary(), 10, { seed: 42, path: 'test3.js', endOnFailure: true });12console.log(word);13const word = fc.sample(wordArbitrary(), 10, { seed: 42, path: 'test3.js', endOnFailure: false, verbose: true });14console.log(word);15const word = fc.sample(wordArbitrary(), 10, { seed: 42, path: 'test3.js', endOnFailure: false, verbose: false });16console.log(word);17const word = fc.sample(wordArbitrary(), 10, { seed: 42, path: 'test3.js', endOnFailure: false, verbose: false, numRuns: 1 });18console.log(word);19const word = fc.sample(wordArbitrary(), 10, { seed: 42, path: 'test3.js', endOnFailure: false, verbose: false, numRuns:

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1const fc = require("fast-check");2const s = fc.string({ minLength: 10, maxLength: 10 });3const s2 = fc.string({ minLength: 5, maxLength: 5 });4const s3 = fc.string({ minLength: 4, maxLength: 4 });5const s4 = fc.string({ minLength: 3, maxLength: 3 });6const s5 = fc.string({ minLength: 2, maxLength: 2 });7const s6 = fc.string({ minLength: 1, maxLength: 1 });8const s7 = fc.string({ minLength: 0, maxLength: 0 });9const s8 = fc.string({ minLength: 0, maxLength: 1 });10const s9 = fc.string({ minLength: 0, maxLength: 2 });11const s10 = fc.string({ minLength: 0, maxLength: 3 });12const s11 = fc.string({ minLength: 0, maxLength: 4 });13const s12 = fc.string({ minLength: 0, maxLength: 5 });14const s13 = fc.string({ minLength: 0, maxLength: 6 });15const s14 = fc.string({ minLength: 0, maxLength: 7 });16const s15 = fc.string({ minLength: 0, maxLength: 8 });17const s16 = fc.string({ minLength: 0, maxLength: 9 });18const s17 = fc.string({ minLength: 0, maxLength: 10 });19const s18 = fc.string({ minLength: 0, maxLength: 11 });20const s19 = fc.string({ minLength: 0, maxLength: 12 });21const s20 = fc.string({ minLength: 0, maxLength: 13 });22const s21 = fc.string({ minLength: 0, maxLength: 14 });23const s22 = fc.string({ minLength: 0, maxLength: 15 });24const s23 = fc.string({ minLength: 0, maxLength: 16 });25const s24 = fc.string({ minLength: 0, maxLength: 17 });26const s25 = fc.string({ minLength: 0, maxLength: 18 });27const s26 = fc.string({ minLength: 0, maxLength: 19 });28const s27 = fc.string({ minLength: 0, maxLength: 20 });29const s28 = fc.string({ minLength: 0, maxLength: 21 });

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Using AI Code Generation

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1const { wordArbitrary } = require('fast-check');2const { sample } = require('fast-check');3const words = sample(wordArbitrary(), 5);4console.log(words);5const { wordArbitrary } = require('fast-check');6const { sample } = require('fast-check');7const words = sample(wordArbitrary(), 5);8console.log(words);9const { wordArbitrary } = require('fast-check');10const { sample } = require('fast-check');11const words = sample(wordArbitrary(), 5);12console.log(words);13const { wordArbitrary } = require('fast-check');14const { sample } = require('fast-check');15const words = sample(wordArbitrary(), 5);16console.log(words);17const { wordArbitrary } = require('fast-check');18const { sample } = require('fast-check');19const words = sample(wordArbitrary(), 5);20console.log(words);21const { wordArbitrary } = require('fast-check');22const { sample } = require('fast-check');23const words = sample(wordArbitrary(), 5);24console.log(words);

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Using AI Code Generation

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1const fc = require("fast-check");2const { wordArbitrary } = require("fast-check-monorepo");3fc.property(wordArbitrary(), (s) => {4 return isPalindrome(s);5});6function isPalindrome(s) {7 return s === s.split("").reverse().join("");8}

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Automation Testing Tutorials

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You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.

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