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

How to use wordsToSentenceMapper method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

WordsToLorem.spec.ts

Source:WordsToLorem.spec.ts

...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    ));...

lorem.ts

Source:lorem.ts

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  }...

WordsToLorem.ts

Source:WordsToLorem.ts

...31    return words;32  };33}34/** @internal */35export function wordsToSentenceMapper(words: string[]): string {36  // Strip trailing comma (only)37  let sentence = safeJoin(words, ' ');38  if (sentence[sentence.length - 1] === ',') {39    sentence = safeSubstring(sentence, 0, sentence.length - 1);40  }41  return safeToUpperCase(sentence[0]) + safeSubstring(sentence, 1) + '.';42}43/** @internal */44export function wordsToSentenceUnmapperFor(wordsArbitrary: Arbitrary<string>): (value: unknown) => string[] {45  return function wordsToSentenceUnmapper(value: unknown): string[] {46    if (typeof value !== 'string') {47      throw new Error('Unsupported type');48    }49    if (...

Using AI Code Generation

1const wordsToSentenceMapper = require('fast-check-monorepo').wordsToSentenceMapper;2const sentence = wordsToSentenceMapper(['Hello', 'World!']);3console.log(sentence);4const wordsToSentenceMapper = require('fast-check-monorepo').wordsToSentenceMapper;5const sentence = wordsToSentenceMapper(['Hello', 'World!']);6console.log(sentence);7const wordsToSentenceMapper = require('fast-check-monorepo').wordsToSentenceMapper;8const sentence = wordsToSentenceMapper(['Hello', 'World!']);9console.log(sentence);10const wordsToSentenceMapper = require('fast-check-monorepo').wordsToSentenceMapper;11const sentence = wordsToSentenceMapper(['Hello', 'World!']);12console.log(sentence);13const wordsToSentenceMapper = require('fast-check-monorepo').wordsToSentenceMapper;14const sentence = wordsToSentenceMapper(['Hello', 'World!']);15console.log(sentence);16const wordsToSentenceMapper = require('fast-check-monorepo').wordsToSentenceMapper;17const sentence = wordsToSentenceMapper(['Hello', 'World!']);18console.log(sentence);19const wordsToSentenceMapper = require('fast-check-monorepo').wordsToSentenceMapper;20const sentence = wordsToSentenceMapper(['Hello', 'World!']);21console.log(sentence);22const wordsToSentenceMapper = require('fast-check-monorepo').wordsToSentenceMapper;23const sentence = wordsToSentenceMapper(['Hello', 'World!']);24console.log(sentence);25const wordsToSentenceMapper = require('fast-check-monorepo').wordsToSentenceMapper

Using AI Code Generation

1const { wordsToSentenceMapper } = require('fast-check-monorepo');2const words = wordsToSentenceMapper(['Hello', 'world']);3console.log(words);4const { wordsToSentenceMapper } = require('fast-check-monorepo');5const words = wordsToSentenceMapper(['Hello', 'world']);6console.log(words);7const { wordsToSentenceMapper } = require('fast-check-monorepo');8const words = wordsToSentenceMapper(['Hello', 'world']);9console.log(words);10const { wordsToSentenceMapper } = require('fast-check-monorepo');11const words = wordsToSentenceMapper(['Hello', 'world']);12console.log(words);13const { wordsToSentenceMapper } = require('fast-check-monorepo');14const words = wordsToSentenceMapper(['Hello', 'world']);15console.log(words);16const { wordsToSentenceMapper } = require('fast-check-monorepo');17const words = wordsToSentenceMapper(['Hello', 'world']);18console.log(words);19const { wordsToSentenceMapper } = require('fast-check-monorepo');20const words = wordsToSentenceMapper(['Hello', 'world']);21console.log(words);22const { wordsToSentenceMapper } = require('fast-check-monorepo');23const words = wordsToSentenceMapper(['Hello', 'world']);24console.log(words);25const { wordsToSentenceMapper } = require('fast-check-monorepo');26const words = wordsToSentenceMapper(['Hello', 'world']);27console.log(words);

Using AI Code Generation

1const wordsToSentenceMapper = require('fast-check-monorepo').wordsToSentenceMapper;2const assert = require('assert');3assert(wordsToSentenceMapper(['hello', 'world']) === 'hello world');4assert(wordsToSentenceMapper(['hello', 'world', 'how', 'are', 'you?']) === 'hello world how are you?');5console.log('All tests passed');6const wordsToSentenceMapper = require('fast-check-monorepo').wordsToSentenceMapper;7const assert = require('assert');8assert(wordsToSentenceMapper(['hello', 'world']) === 'hello world');9assert(wordsToSentenceMapper(['hello', 'world', 'how', 'are', 'you?']) === 'hello world how are you?');10console.log('All tests passed');11const wordsToSentenceMapper = require('fast-check-monorepo').wordsToSentenceMapper;12const assert = require('assert');13assert(wordsToSentenceMapper(['hello', 'world']) === 'hello world');14assert(wordsToSentenceMapper(['hello', 'world', 'how', 'are', 'you?']) === 'hello world how are you?');15console.log('All tests passed');16const wordsToSentenceMapper = require('fast-check-monorepo').wordsToSentenceMapper;17const assert = require('assert');18assert(wordsToSentenceMapper(['hello', 'world']) === 'hello world');19assert(wordsToSentenceMapper(['hello', 'world', 'how', 'are', 'you?']) === 'hello world how are you?');20console.log('All tests passed');21const wordsToSentenceMapper = require('fast-check-monorepo').wordsToSentenceMapper;22const assert = require('assert');23assert(wordsToSentenceMapper(['hello', 'world']) === 'hello

Using AI Code Generation

1const { wordsToSentenceMapper } = require('fast-check-monorepo');2const words = ['hello', 'how', 'are', 'you'];3const sentence = wordsToSentenceMapper(words);4console.log(sentence);5const { wordsToSentenceMapper } = require('fast-check-monorepo');6const words = ['hello', 'how', 'are', 'you'];7const sentence = wordsToSentenceMapper(words);8console.log(sentence);9const { wordsToSentenceMapper } = require('fast-check-monorepo');10const words = ['hello', 'how', 'are', 'you'];11const sentence = wordsToSentenceMapper(words);12console.log(sentence);13const { wordsToSentenceMapper } = require('fast-check-monorepo');14const words = ['hello', 'how', 'are', 'you'];15const sentence = wordsToSentenceMapper(words);16console.log(sentence);17const { wordsToSentenceMapper } = require('fast-check-monorepo');18const words = ['hello', 'how', 'are', 'you'];19const sentence = wordsToSentenceMapper(words);20console.log(sentence);21const { wordsToSentenceMapper } = require('fast-check-monorepo');22const words = ['hello', 'how', 'are', 'you'];23const sentence = wordsToSentenceMapper(words);24console.log(sentence);25const { wordsToSentenceMapper } = require('fast-check-monorepo');

Using AI Code Generation

1const wordsToSentenceMapper = require('fast-check-monorepo').wordsToSentenceMapper;2const wordsToSentence = wordsToSentenceMapper(['Hello', 'World', 'JS', 'Node', 'Fast', 'Check']);3const wordsToSentenceMapper = require('fast-check-monorepo').wordsToSentenceMapper;4const wordsToSentence = wordsToSentenceMapper(['Hello', 'World', 'JS', 'Node', 'Fast', 'Check']);5const wordsToSentenceMapper = require('fast-check-monorepo').wordsToSentenceMapper;6const wordsToSentence = wordsToSentenceMapper(['Hello', 'World', 'JS', 'Node', 'Fast

Using AI Code Generation

1var wordsToSentenceMapper = require('fast-check-monorepo').wordsToSentenceMapper;2var sentenceToWordsMapper = require('fast-check-monorepo').sentenceToWordsMapper;3var words = ['the','quick','brown','fox','jumps','over','the','lazy','dog'];4var sentence = wordsToSentenceMapper(words);5var words2 = sentenceToWordsMapper(sentence);6console.log(words);7console.log(sentence);8console.log(words2);9var wordsToSentenceMapper = require('fast-check-monorepo').wordsToSentenceMapper;10var sentenceToWordsMapper = require('fast-check-monorepo').sentenceToWordsMapper;11var words = ['the','quick','brown','fox','jumps','over','the','lazy','dog'];12var sentence = wordsToSentenceMapper(words);13var words2 = sentenceToWordsMapper(sentence);14var sentence2 = wordsToSentenceMapper(words2);15var words3 = sentenceToWordsMapper(sentence2);16console.log(words);17console.log(sentence);18console.log(words2);19console.log(sentence2);20console.log(words3);

Using AI Code Generation

1import { wordsToSentenceMapper } from "fast-check-monorepo";2import * as fc from "fast-check";3import { isSentence } from "fast-check-monorepo";4const wordsToSentenceMapperArb = fc.array(fc.string()).map(wordsToSentenceMapper);5fc.assert(6  fc.property(wordsToSentenceMapperArb, (sentence) => {7    return isSentence(sentence);8  })9);10import { wordsToSentenceMapper } from "fast-check-monorepo";11import * as fc from "fast-check";12import { isSentence } from "fast-check-monorepo";13const wordsToSentenceMapperArb = fc.array(fc.string()).map(wordsToSentenceMapper);14fc.assert(15  fc.property(wordsToSentenceMapperArb, (sentence) => {16    return isSentence(sentence);17  })18);19import { wordsToSentenceMapper } from "fast-check-monorepo";20import * as fc from "fast-check";21import { isSentence } from "fast-check-monorepo";22const wordsToSentenceMapperArb = fc.array(fc.string()).map(wordsToSentenceMapper);23fc.assert(24  fc.property(wordsToSentenceMapperArb, (sentence) => {25    return isSentence(sentence);26  })27);28import { wordsToSentenceMapper } from "fast-check-monorepo";29import * as fc from "fast-check";30import { isSentence } from "fast-check-monorepo";31const wordsToSentenceMapperArb = fc.array(fc.string()).map(wordsToSentenceMapper);32fc.assert(33  fc.property(wordsToSentenceMapperArb, (sentence) => {34    return isSentence(sentence);35  })36);37import { wordsToSentenceMapper } from "fast-check-monorepo";38import * as fc from "fast-check";39import { isSentence

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.