How to use arbitraryPart method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

Docs.md.spec.ts

Source:Docs.md.spec.ts Github

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1import * as fs from 'fs';2import fc from '../../../src/fast-check';3// For ES Modules:4//import { dirname } from 'path';5//import { fileURLToPath } from 'url';6//const __filename = fileURLToPath(import.meta.url);7//const __dirname = dirname(__filename);8const TargetNumExamples = 5;9const JsBlockStart = '```js';10const JsBlockEnd = '```';11const CommentForGeneratedValues = '// Examples of generated values:';12const CommentForArbitraryIndicator = '// Use the arbitrary:';13const CommentForStatistics = '// Computed statistics for 10k generated values:';14describe('Docs.md', () => {15 it('Should check code snippets validity and fix generated values', () => {16 const originalFileContent = fs.readFileSync(`${__dirname}/../../../documentation/Arbitraries.md`).toString();17 const { content: fileContent } = refreshContent(originalFileContent);18 if (Number(process.versions.node.split('.')[0]) < 12) {19 // There were some updates regarding how to stringify invalid surrogate pairs20 // between node 10 and node 12 with JSON.stringify.21 // It directly impacts fc.stringify.22 //23 // In node 10: JSON.stringify("\udff5") === '"\udff5"'24 // In node 12: JSON.stringify("\udff5") === '"\\udff5"'25 // You may try with: JSON.stringify("\udff5").split('').map(c => c.charCodeAt(0).toString(16))26 console.warn(`Unable to properly check code snippets defined in the documentation...`);27 const sanitize = (s: string) => s.replace(/(\\)(u[0-9a-f]{4})/g, (c) => JSON.parse('"' + c + '"'));28 expect(sanitize(fileContent)).toEqual(sanitize(originalFileContent));29 if (process.env.UPDATE_CODE_SNIPPETS) {30 throw new Error('You must use a more recent release of node to update code snippets (>=12)');31 }32 return;33 }34 if (fileContent !== originalFileContent && process.env.UPDATE_CODE_SNIPPETS) {35 console.warn(`Updating code snippets defined in the documentation...`);36 fs.writeFileSync(`${__dirname}/../../../documentation/Arbitraries.md`, fileContent);37 }38 if (!process.env.UPDATE_CODE_SNIPPETS) {39 expect(fileContent).toEqual(originalFileContent);40 }41 });42});43// Helpers44function extractJsCodeBlocks(content: string): string[] {45 const lines = content.split('\n');46 const blocks: string[] = [];47 let isJsBlock = false;48 let currentBlock: string[] = [];49 for (const line of lines) {50 if (isJsBlock) {51 currentBlock.push(line);52 if (line === JsBlockEnd) {53 blocks.push(currentBlock.join('\n') + '\n');54 isJsBlock = false;55 currentBlock = [];56 }57 } else if (line === JsBlockStart) {58 blocks.push(currentBlock.join('\n') + '\n');59 isJsBlock = true;60 currentBlock = [line];61 } else {62 currentBlock.push(line);63 }64 }65 if (currentBlock.length !== 0) {66 blocks.push(currentBlock.join('\n'));67 }68 return blocks;69}70function isJsCodeBlock(blockContent: string): boolean {71 return blockContent.startsWith(`${JsBlockStart}\n`) && blockContent.endsWith(`${JsBlockEnd}\n`);72}73function trimJsCodeBlock(blockContent: string): string {74 const startLength = `${JsBlockStart}\n`.length;75 const endLength = `${JsBlockEnd}\n`.length;76 return blockContent.substr(startLength, blockContent.length - startLength - endLength);77}78function addJsCodeBlock(blockContent: string): string {79 return `${JsBlockStart}\n${blockContent}${JsBlockEnd}\n`;80}81function refreshContent(originalContent: string): { content: string; numExecutedSnippets: number } {82 // Re-run all the code (supported) snippets83 // Re-generate all the examples84 let numExecutedSnippets = 0;85 // Extract code blocks86 const extractedBlocks = extractJsCodeBlocks(originalContent);87 // Execute code blocks88 const refinedBlocks = extractedBlocks.map((block) => {89 if (!isJsCodeBlock(block)) return block;90 // Remove list of examples and statistics91 const cleanedBlock = trimJsCodeBlock(block)92 .replace(new RegExp(`${CommentForGeneratedValues}[^\n]*(\n//.*)*`, 'mg'), CommentForGeneratedValues)93 .replace(new RegExp(`${CommentForStatistics}[^\n]*(\n//.*)*`, 'mg'), CommentForStatistics);94 // Extract code snippets95 const snippets = cleanedBlock96 .split(`\n${CommentForGeneratedValues}`)97 .map((snippet, index, all) => (index !== all.length - 1 ? `${snippet}\n${CommentForGeneratedValues}` : snippet));98 // Execute blocks and set examples99 const updatedSnippets = snippets.map((snippet) => {100 if (!snippet.endsWith(CommentForGeneratedValues)) return snippet;101 ++numExecutedSnippets;102 // eslint-disable-next-line @typescript-eslint/no-unused-vars103 const generatedValues = (function (fc): string[] {104 const numRuns = 5 * TargetNumExamples;105 const lastIndexCommentForStatistics = snippet.lastIndexOf(CommentForStatistics);106 const refinedSnippet =107 lastIndexCommentForStatistics !== -1 ? snippet.substring(lastIndexCommentForStatistics) : snippet;108 const seed = refinedSnippet.replace(/\s*\/\/.*/g, '').replace(/\s+/gm, ' ').length;109 const indexArbitraryPart = refinedSnippet.indexOf(CommentForArbitraryIndicator);110 const preparationPart = indexArbitraryPart !== -1 ? refinedSnippet.substring(0, indexArbitraryPart) : '';111 const arbitraryPart = indexArbitraryPart !== -1 ? refinedSnippet.substring(indexArbitraryPart) : refinedSnippet;112 const evalCode = `${preparationPart}\nfc.sample(${arbitraryPart}\n, { numRuns: ${numRuns}, seed: ${seed} }).map(v => fc.stringify(v))`;113 try {114 return eval(evalCode);115 } catch (err) {116 throw new Error(`Failed to run code snippet:\n\n${evalCode}\n\nWith error message: ${err}`);117 }118 })(fc);119 const uniqueGeneratedValues = Array.from(new Set(generatedValues)).slice(0, TargetNumExamples);120 // If the display for generated values is too long, we split it into a list of items121 if (122 uniqueGeneratedValues.some((value) => value.includes('\n')) ||123 uniqueGeneratedValues.reduce((totalLength, value) => totalLength + value.length, 0) > 120124 ) {125 return `${snippet}${[...uniqueGeneratedValues, '…']126 .map((v) => `\n// • ${v.replace(/\n/gm, '\n// ')}`)127 .join('')}`;128 } else {129 return `${snippet} ${uniqueGeneratedValues.join(', ')}…`;130 }131 });132 // Extract statistics snippets133 const statisticsSnippets = updatedSnippets134 .join('')135 .split(`\n${CommentForStatistics}`)136 .map((snippet, index, all) => (index !== all.length - 1 ? `${snippet}\n${CommentForStatistics}` : snippet));137 // Execute statistics138 const updatedStatisticsSnippets = statisticsSnippets.map((snippet) => {139 if (!snippet.endsWith(CommentForStatistics)) return snippet;140 ++numExecutedSnippets;141 const computedStatitics = (baseSize: fc.Size) =>142 // eslint-disable-next-line @typescript-eslint/no-unused-vars143 (function (fc): string[] {144 const lastIndexCommentForGeneratedValues = snippet.lastIndexOf(CommentForGeneratedValues);145 const refinedSnippet =146 lastIndexCommentForGeneratedValues !== -1 ? snippet.substring(lastIndexCommentForGeneratedValues) : snippet;147 const seed = refinedSnippet.replace(/\s*\/\/.*/g, '').replace(/\s+/gm, ' ').length;148 const evalCode = refinedSnippet;149 const originalConsoleLog = console.log;150 const originalGlobal = fc.readConfigureGlobal();151 try {152 const lines: string[] = [];153 console.log = (line) => lines.push(line);154 fc.configureGlobal({ seed, numRuns: 10000, baseSize });155 eval(evalCode);156 return lines;157 } catch (err) {158 throw new Error(`Failed to run code snippet:\n\n${evalCode}\n\nWith error message: ${err}`);159 } finally {160 console.log = originalConsoleLog;161 fc.configureGlobal(originalGlobal);162 }163 })(fc);164 const formatForSize = (size: fc.Size) =>165 `// For size = "${size}":\n${computedStatitics(size)166 .slice(0, TargetNumExamples)167 .map((line) => `// • ${line}`)168 .join('\n')}${computedStatitics.length > TargetNumExamples ? '\n// • …' : ''}`;169 const sizes = ['xsmall', 'small', 'medium'] as const;170 return `${snippet}\n${sizes.map((size) => formatForSize(size)).join('\n')}`;171 });172 return addJsCodeBlock(updatedStatisticsSnippets.join(''));173 });174 return { content: refinedBlocks.join(''), numExecutedSnippets };...

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Using AI Code Generation

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1const fc = require("fast-check");2const { arbitraryPart } = require("fast-check-monorepo");3const { arbitraryPart2 } = require("fast-check-monorepo");4const { arbitraryPart3 } = require("fast-check-monorepo");5console.log("Hello World");6console.log(arbitraryPart());7console.log(arbitraryPart2());8console.log(arbitraryPart3());9console.log(fc.nat());10console.log(fc.string());11const fc = require("fast-check");12const { arbitraryPart } = require("fast-check-monorepo");13const { arbitraryPart2 } = require("fast-check-monorepo");14const { arbitraryPart3 } = require("fast-check-monorepo");15console.log("Hello World");16console.log(arbitraryPart());17console.log(arbitraryPart2());18console.log(arbitraryPart3());19console.log(fc.nat());20console.log(fc.string());21const fc = require("fast-check");22const { arbitraryPart } = require("fast-check-monorepo");23const { arbitraryPart2 } = require("fast-check-monorepo");24const { arbitraryPart3 } = require("fast-check-monorepo");25console.log("Hello World");26console.log(arbitraryPart());27console.log(arbitraryPart2());28console.log(arbitraryPart3());29console.log(fc.nat());30console.log(fc.string());31const fc = require("fast-check");32const { arbitraryPart } = require("fast-check-monorepo");33const { arbitraryPart2 } = require("fast-check-monorepo");34const { arbitraryPart3 } = require("fast-check-monorepo");35console.log("Hello World");36console.log(arbitraryPart());37console.log(arbitraryPart2());38console.log(arbitraryPart3());39console.log(fc.nat());40console.log(fc.string());41const fc = require("fast-check");42const { arbitraryPart } = require("fast-check-monorepo");43const { arbitraryPart2 } = require("fast-check-monorepo");44const { arbitraryPart3 } = require("fast-check-monorepo");45console.log("Hello World");

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Using AI Code Generation

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1const { arbitraryPart } = require('fast-check');2const { arbitraryPart } = require('fast-check-monorepo');3const { arbitraryPart } = require('fast-check-monorepo');4const { arbitraryPart } = require('fast-check');5const { arbitraryPart } = require('fast-check-monorepo');6const { arbitraryPart } = require('fast-check-monorepo');7const { arbitraryPart } = require('fast-check-monorepo');8const { arbitraryPart } = require('fast-check-monorepo');9const { arbitraryPart } = require('fast-check-monorepo');10const { arbitraryPart } = require('fast-check-monorepo');11const { arbitraryPart } = require('fast-check-monorepo');12const { arbitraryPart } = require('fast-check-monorepo');13const { arbitraryPart } = require('fast-check-monorepo');14const { arbitraryPart } = require('fast-check-monorepo');15const { arbitraryPart } = require('fast-check-monorepo');16const { arbitraryPart } = require('fast-check-monorepo');

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Using AI Code Generation

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1const fc = require("fast-check");2const { arbitraryPart } = require("fast-check/lib/arbitrary/definition/ArbitraryWithShrink");3const { array } = require("fast-check/lib/arbitrary/array");4const { string } = require("fast-check/lib/arbitrary/string");5fc.assert(6 fc.property(7 array(string(), 1, 10),8 (arr) => {9 const arb = arbitraryPart(arr);10 console.log(arb);11 return true;12 }13);

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Using AI Code Generation

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1const fc = require('fast-check');2const { arbitraryPart } = require('fast-check/lib/check/arbitrary/definition/ArbitraryWithShrink');3const arb = fc.integer();4const part = arbitraryPart(arb);5console.log(part);6const fc = require('fast-check');7const { arbitraryPart } = require('fast-check/lib/check/arbitrary/definition/ArbitraryWithShrink');8const arb = fc.integer();9const part = arbitraryPart(arb);10console.log(part);11const fc = require('fast-check');12const { arbitraryPart } = require('fast-check/lib/check/arbitrary/definition/ArbitraryWithShrink');13const arb = fc.integer();14const part = arbitraryPart(arb);15console.log(part);16const fc = require('fast-check');17const { arbitraryPart } = require('fast-check/lib/check/arbitrary/definition/ArbitraryWithShrink');18const arb = fc.integer();19const part = arbitraryPart(arb);20console.log(part);21const fc = require('fast-check');22const { arbitraryPart } = require('fast-check/lib/check/arbitrary/definition/ArbitraryWithShrink');23const arb = fc.integer();24const part = arbitraryPart(arb);25console.log(part);26const fc = require('fast-check');27const { arbitraryPart } = require('fast-check/lib/check/arbitrary/definition/ArbitraryWithShrink');28const arb = fc.integer();29const part = arbitraryPart(arb);30console.log(part);31const fc = require('fast-check');32const { arbitraryPart } = require('fast-check/lib/check/arbitrary/definition/ArbitraryWithShrink');33const arb = fc.integer();34const part = arbitraryPart(arb);35console.log(part);36const fc = require('fast-check');

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Using AI Code Generation

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1const a = require('fast-check-monorepo');2console.log(a.arbitraryPart(5));3const a = require('fast-check-monorepo');4console.log(a.arbitraryPart(5));5const a = require('fast-check-monorepo');6console.log(a.arbitraryPart(5));7const a = require('fast-check-monorepo');8console.log(a.arbitraryPart(5));9const a = require('fast-check-monorepo');10console.log(a.arbitraryPart(5));11const a = require('fast-check-monorepo');12console.log(a.arbitraryPart(5));13const a = require('fast-check-monorepo');14console.log(a.arbitraryPart(5));15const a = require('fast-check-monorepo');16console.log(a.arbitraryPart(5));17const a = require('fast-check-monorepo');18console.log(a.arbitraryPart(5));19const a = require('fast-check-monorepo');20console.log(a.arbitraryPart(5));21const a = require('fast-check-monorepo');22console.log(a.arbitraryPart(5));23const a = require('fast-check-monorepo');24console.log(a.arbitraryPart(5));25const a = require('fast

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Using AI Code Generation

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1const { arbitraryPart } = require('fast-check-monorepo');2const { part } = arbitraryPart();3console.log(part);4const { arbitraryPart } = require('fast-check-monorepo');5const { part } = arbitraryPart();6console.log(part);7const { arbitraryPart } = require('fast-check-monorepo');8const { part } = arbitraryPart();9console.log(part);10const { arbitraryPart } = require('fast-check-monorepo');11const { part } = arbitraryPart();12console.log(part);13const { arbitraryPart } = require('fast-check-monorepo');14const { part } = arbitraryPart();15console.log(part);16const { arbitraryPart } = require('fast-check-monorepo');17const { part } = arbitraryPart();18console.log(part);19const { arbitraryPart } = require('fast-check-monorepo');20const { part } = arbitraryPart();21console.log(part);22const { arbitraryPart } = require('fast-check-monorepo');23const { part } = arbitraryPart();24console.log(part);25const { arbitraryPart } = require('fast-check-monorepo');26const { part } = arbitraryPart();27console.log(part);28const { arbitraryPart } = require('fast-check-monorepo');29const { part } = arbitraryPart();30console.log(part);31const { arbitraryPart } = require('fast-check-monorepo');32const { part } = arbitraryPart();33console.log(part);

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Using AI Code Generation

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1const { arbitraryPart } = require('fast-check');2const { array } = require('fast-check');3const { pipe } = require('fp-ts/lib/pipeable');4const { chain, map } = require('fp-ts/lib/Array');5const { option } = require('fp-ts');6const { some, none } = option;7const { tuple } = require('fp-ts/lib/function');8const { product } = require('fp-ts/lib/Record');9const { left, right } = require('fp-ts/lib/Either');10const { identity } = require('fp-ts/lib/function');11const { isSome } = require('fp-ts/lib/Option');12const { isRight } = require('fp-ts/lib/Either');13const { isLeft } = require('fp-ts/lib/Either');14const { isNone } = require('fp-ts/lib/Option');15const { isSome } = require('fp-ts/lib/Option');16const { isRight } = require('fp-ts/lib/Either');17const { isLeft } = require('fp-ts/lib/Either');18const { isNone } = require('fp-ts/lib/Option');19const { isSome } = require('fp-ts/lib/Option');20const { isRight } = require('fp-ts/lib/Either');21const { isLeft } = require('fp-ts/lib/Either');22const { isNone } = require('fp-ts/lib/Option');23const { isSome } = require('fp-ts/lib/Option');24const { isRight } = require('fp-ts/lib/Either');25const { isLeft } = require('fp-ts/lib/Either');26const { isNone } = require('fp-ts/lib/Option');27const { isSome } = require('fp-ts/lib/Option');28const { isRight } = require('fp-ts/lib/Either');29const { isLeft } = require('fp-ts/lib/Either');30const { isNone } = require('fp-ts/lib/Option');31const { isSome } = require('fp-ts/lib/Option');32const { isRight } = require('fp-ts/lib/Either');33const { isLeft } = require('fp-ts/lib/Either');34const { isNone } = require('fp-ts/lib/Option');35const { isSome } = require('fp-ts/lib/Option');36const { isRight } = require('fp-ts/lib/Either');37const { isLeft } = require('fp-ts/lib/Either

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Using AI Code Generation

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1import * as fc from "fast-check-monorepo";2const arb = fc.arbitraryPart().array(fc.integer(), 1, 10).map((a) => a.reduce((x, y) => x + y, 0));3const arb2 = fc.arbitraryPart().array(fc.integer(), 1, 10).map((a) => a.reduce((x, y) => x + y, 0));4const arb3 = fc.arbitraryPart().array(fc.integer(), 1, 10).map((a) => a.reduce((x, y) => x + y, 0));5const arb4 = fc.arbitraryPart().array(fc.integer(), 1, 10).map((a) => a.reduce((x, y) => x + y, 0));6const arb5 = fc.arbitraryPart().array(fc.integer(), 1, 10).map((a) => a.reduce((x, y) => x + y, 0));7const arb6 = fc.arbitraryPart().array(fc.integer(), 1, 10).map((a) => a.reduce((x, y) => x + y, 0));8const arb7 = fc.arbitraryPart().array(fc.integer(), 1, 10).map((a) => a.reduce((x, y) => x + y, 0));9const arb8 = fc.arbitraryPart().array(fc.integer(), 1, 10).map((a) => a.reduce((x, y) => x + y, 0));10const arb9 = fc.arbitraryPart().array(fc.integer(), 1, 10).map((a) => a.reduce((x, y) => x + y, 0));11const arb10 = fc.arbitraryPart().array(fc.integer(), 1, 10).map((a) => a.reduce((x, y) => x + y, 0));12const arb11 = fc.arbitraryPart().array(fc.integer(), 1, 10).map((a) => a.reduce((x, y) => x + y, 0));13const arb12 = fc.arbitraryPart().array(fc.integer(), 1, 10).map((a) => a.reduce((x, y) => x + y, 0

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Using AI Code Generation

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1const arbitraryPart = require('fast-check-monorepo').arbitraryPart;2const fc = require('fast-check');3const { tuple } = fc;4const myArbitrary = arbitraryPart(tuple(fc.string(), fc.integer()));5const myProperty = (myTuple) => {6 return myTuple[0].length === myTuple[1];7}8fc.assert(fc.property(myArbitrary, myProperty));9const arbitraryPart = require('fast-check-monorepo').arbitraryPart;10const fc = require('fast-check');11const { tuple } = fc;12const myArbitrary = arbitraryPart(tuple(fc.string(), fc.integer()));13const myProperty = (myTuple) => {14 return myTuple[0].length === myTuple[1];15}16fc.assert(fc.property(myArbitrary, myProperty));

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