Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use SubarrayArbitraryBuilder method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

SubarrayArbitrary.spec.ts

Source:SubarrayArbitrary.spec.ts

1import * as fc from 'fast-check';2import { SubarrayArbitrary } from '../../../../src/arbitrary/_internals/SubarrayArbitrary';3import {4  assertProduceSameValueGivenSameSeed,5  assertProduceCorrectValues,6  assertProduceValuesShrinkableWithoutContext,7  assertShrinkProducesSameValueWithoutInitialContext,8  assertShrinkProducesStrictlySmallerValue,9} from '../__test-helpers__/ArbitraryAssertions';10function beforeEachHook() {11  jest.resetModules();12  jest.restoreAllMocks();13  fc.configureGlobal({ beforeEach: beforeEachHook });14}15beforeEach(beforeEachHook);16describe('SubarrayArbitrary', () => {17  describe('constructor', () => {18    it('should raise an error whenever minLength is below zero', () => {19      fc.assert(20        fc.property(21          fc.array(fc.integer()),22          fc.nat(),23          fc.nat(),24          fc.boolean(),25          (originalArray, minLengthSeed, maxLengthSeed, isOrdered) => {26            // Arrange27            const minLength = -minLengthSeed - 1;28            const maxLength = maxLengthSeed % (originalArray.length + 1);29            // Act / Assert30            expect(() => {31              new SubarrayArbitrary(originalArray, isOrdered, minLength, maxLength);32            }).toThrowError(/minimal length to be between 0/);33          }34        )35      );36    });37    it('should raise an error whenever minLength is greater than array size', () => {38      fc.assert(39        fc.property(40          fc.array(fc.integer()),41          fc.nat(),42          fc.nat(),43          fc.boolean(),44          (originalArray, minLengthOffsetToLength, maxLengthSeed, isOrdered) => {45            // Arrange46            const minLength = originalArray.length + minLengthOffsetToLength + 1;47            const maxLength = maxLengthSeed % (originalArray.length + 1);48            // Act / Assert49            expect(() => {50              new SubarrayArbitrary(originalArray, isOrdered, minLength, maxLength);51            }).toThrowError(/minimal length to be between 0/);52          }53        )54      );55    });56    it('should raise an error whenever maxLength is below zero', () => {57      fc.assert(58        fc.property(59          fc.array(fc.integer()),60          fc.nat(),61          fc.nat(),62          fc.boolean(),63          (originalArray, maxLengthSeed, minLengthSeed, isOrdered) => {64            // Arrange65            const minLength = minLengthSeed % (originalArray.length + 1);66            const maxLength = -maxLengthSeed - 1;67            // Act / Assert68            expect(() => {69              new SubarrayArbitrary(originalArray, isOrdered, minLength, maxLength);70            }).toThrowError(/maximal length to be between 0/);71          }72        )73      );74    });75    it('should raise an error whenever maxLength is greater than array size', () => {76      fc.assert(77        fc.property(78          fc.array(fc.integer()),79          fc.nat(),80          fc.nat(),81          fc.boolean(),82          (originalArray, maxLengthOffsetToLength, minLengthSeed, isOrdered) => {83            // Arrange84            const minLength = minLengthSeed % (originalArray.length + 1);85            const maxLength = originalArray.length + maxLengthOffsetToLength + 1;86            // Act / Assert87            expect(() => {88              new SubarrayArbitrary(originalArray, isOrdered, minLength, maxLength);89            }).toThrowError(/maximal length to be between 0/);90          }91        )92      );93    });94    it('should raise an error whenever minLength is greater than maxLength', () => {95      fc.assert(96        fc.property(97          fc98            .tuple(fc.nat(100), fc.nat(100))99            .map(([a, b]) => (a < b ? [a, b] : [b, a]))100            .filter(([a, b]) => a !== b),101          fc.nat(100),102          fc.boolean(),103          (minMax, offset, isOrdered) => {104            // Arrange105            const [maxLength, minLength] = minMax;106            const originalArray = [...Array(minMax[1] + offset)].map((_) => 0);107            // Act / Assert108            expect(() => {109              new SubarrayArbitrary(originalArray, isOrdered, minLength, maxLength);110            }).toThrowError(/minimal length to be inferior or equal to the maximal length/);111          }112        )113      );114    });115    it('should accept any valid combination of inputs', () => {116      fc.assert(117        fc.property(118          fc119            .tuple(fc.nat(100), fc.nat(100))120            .map(([a, b]) => (a < b ? [a, b] : [b, a]))121            .filter(([a, b]) => a !== b),122          fc.nat(100),123          fc.boolean(),124          (minMax, offset, isOrdered) => {125            // Arrange126            const [minLength, maxLength] = minMax;127            const originalArray = [...Array(minMax[1] + offset)].map((_) => 0);128            // Act / Assert129            expect(() => {130              new SubarrayArbitrary(originalArray, isOrdered, minLength, maxLength);131            }).not.toThrow();132          }133        )134      );135    });136  });137});138describe('SubarrayArbitrary (integration)', () => {139  type Extra = {140    data: number[];141    isOrdered: boolean;142    minLength: number;143    maxLength: number;144  };145  const extraParameters: fc.Arbitrary<Extra> = fc146    .record({147      data: fc.array(fc.integer()),148      isOrdered: fc.boolean(),149      lengthA: fc.nat(),150      lengthB: fc.nat(),151    })152    .map((ct) => {153      const rescaledLengthA = ct.lengthA % (ct.data.length + 1);154      const rescaledLengthB = ct.lengthB % (ct.data.length + 1);155      return {156        data: ct.data,157        isOrdered: ct.isOrdered,158        minLength: Math.min(rescaledLengthA, rescaledLengthB),159        maxLength: Math.max(rescaledLengthA, rescaledLengthB),160      };161    });162  const isCorrect = (arr: number[], ct: Extra) => {163    expect(arr.length).toBeGreaterThanOrEqual(ct.minLength);164    expect(arr.length).toBeLessThanOrEqual(ct.maxLength);165    if (ct.isOrdered) expect(isOrderedSubarray(ct.data, arr)).toBe(true);166    else expect(isSubarray(ct.data, arr)).toBe(true);167  };168  const SubarrayArbitraryBuilder = (extra: Extra) =>169    new SubarrayArbitrary(extra.data, extra.isOrdered, extra.minLength, extra.maxLength);170  it('should produce the same values given the same seed', () => {171    assertProduceSameValueGivenSameSeed(SubarrayArbitraryBuilder, { extraParameters });172  });173  it('should only produce correct values', () => {174    assertProduceCorrectValues(SubarrayArbitraryBuilder, isCorrect, { extraParameters });175  });176  it('should produce values seen as shrinkable without any context', () => {177    assertProduceValuesShrinkableWithoutContext(SubarrayArbitraryBuilder, { extraParameters });178  });179  it('should be able to shrink to the same values without initial context', () => {180    assertShrinkProducesSameValueWithoutInitialContext(SubarrayArbitraryBuilder, { extraParameters });181  });182  it('should preserve strictly smaller ordering in shrink', () => {183    assertShrinkProducesStrictlySmallerValue(SubarrayArbitraryBuilder, isStrictlySmallerValue, { extraParameters });184  });185});186// Helpers187function isOrderedSubarray(originalArray: number[], subarray: number[]): boolean {188  let idxOriginal = 0;189  for (let idx = 0; idx !== subarray.length; ++idx) {190    while (originalArray[idxOriginal] !== subarray[idx]) {191      ++idxOriginal;192      if (idxOriginal >= originalArray.length) return false;193    }194    ++idxOriginal;195  }196  return true;197}198function isSubarray(originalArray: number[], subarray: number[]): boolean {199  return isOrderedSubarray(200    [...originalArray].sort((a, b) => a - b),201    [...subarray].sort((a, b) => a - b)202  );203}204function isStrictlySmallerValue(current: number[], prev: number[]): boolean {205  return isOrderedSubarray(prev, current);...

Using AI Code Generation

1import { SubarrayArbitraryBuilder } from 'fast-check';2const arb = new SubarrayArbitraryBuilder([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]);3console.log(arb.build());4import { SubarrayArbitraryBuilder } from 'fast-check/lib/check/arbitrary/SubarrayArbitraryBuilder';5const arb = new SubarrayArbitraryBuilder([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]);6console.log(arb.build());7import { SubarrayArbitraryBuilder } from 'fast-check/lib/arbitrary/SubarrayArbitraryBuilder';8import { SubarrayArbitraryBuilder } from 'fast-check/lib/arbitrary/SubarrayArbitraryBuilder';9import { SubarrayArbitraryBuilder } from 'fast-check/lib/arbitrary/SubarrayArbitraryBuilder';10import { SubarrayArbitraryBuilder } from 'fast-check/lib/arbitrary

Using AI Code Generation

1const fc = require('fast-check');2const { SubarrayArbitraryBuilder } = require('fast-check/lib/arbitrary/SubarrayArbitraryBuilder.js');3const { array } = require('fast-check/lib/arbitrary/array.js');4const { string } = require('fast-check/lib/arbitrary/string.js');5const { set } = require('fast-check/lib/arbitrary/set.js');6const subarrayArbitraryBuilder = new SubarrayArbitraryBuilder();7  .array(array(string()))8  .subarray(set(string()))9  .build();10fc.assert(11  fc.property(subarrayArbitrary, ([subarray, array]) => {12    return subarray.every((v) => array.includes(v));13  })14);15    at SubarrayArbitraryBuilder.build (C:\Users\user\Documents\fast-check-monorepo\fast-check\lib\arbitrary\SubarrayArbitraryBuilder.js:34:38)16    at Object.<anonymous> (C:\Users\user\Documents\fast-check-monorepo\test.js:10:45)17    at Module._compile (internal/modules/cjs/loader.js:1063:30)18    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10)19    at Module.load (internal/modules/cjs/loader.js:928:32)20    at Function.Module._load (internal/modules/cjs/loader.js:769:14)21    at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:72:12)

Using AI Code Generation

1const { SubarrayArbitraryBuilder } = require('fast-check');2const arb = SubarrayArbitraryBuilder()3  .withMinSize(0)4  .withMaxSize(5)5  .withUnique(true)6  .withValues([1, 2, 3, 4, 5])7  .build();8arb.generate(1).then((v) => console.log(v));9const { SubarrayArbitraryBuilder } = require('fast-check');10const arb = SubarrayArbitraryBuilder()11  .withMinSize(0)12  .withMaxSize(5)13  .withUnique(false)14  .withValues([1, 2, 3, 4, 5])15  .build();16arb.generate(1).then((v) => console.log(v));17const { SubarrayArbitraryBuilder } = require('fast-check');18const arb = SubarrayArbitraryBuilder()19  .withMinSize(0)20  .withMaxSize(5)21  .withUnique(true)22  .withValues([1, 2, 3, 4, 5])23  .build();24arb.generate(1).then((v) => console.log(v));25const { SubarrayArbitraryBuilder } = require('fast-check');26const arb = SubarrayArbitraryBuilder()27  .withMinSize(0)28  .withMaxSize(5)29  .withUnique(false)30  .withValues([1, 2, 3, 4, 5])31  .build();32arb.generate(1).then((v) => console.log(v));33const { SubarrayArbitrary

Using AI Code Generation

1const {SubarrayArbitraryBuilder} = require('fast-check');2const {array} = require('fast-check');3const {string} = require('fast-check');4const {option} = require('fast-check');5const subarray = (arr) => {6    const builder = new SubarrayArbitraryBuilder();7    return builder.from(arr).build();8};9const testSubarray = () => {10    const testArray = array(string(), 1, 10);11    const testSubarray = subarray(testArray);12    const testOption = option(testSubarray);13    return testOption;14};15const testSubarray2 = () => {16    const testArray = array(string(), 1, 10);17    const testSubarray = subarray(testArray);18    const testOption = option(testSubarray);19    return testOption;20};21const testSubarray3 = () => {22    const testArray = array(string(), 1, 10);23    const testSubarray = subarray(testArray);24    const testOption = option(testSubarray);25    return testOption;26};27const testSubarray4 = () => {28    const testArray = array(string(), 1, 10);29    const testSubarray = subarray(testArray);30    const testOption = option(testSubarray);31    return testOption;32};33const testSubarray5 = () => {34    const testArray = array(string(), 1, 10);35    const testSubarray = subarray(testArray);36    const testOption = option(testSubarray);37    return testOption;38};39const testSubarray6 = () => {40    const testArray = array(string(), 1, 10);41    const testSubarray = subarray(testArray);42    const testOption = option(testSubarray);43    return testOption;44};45const testSubarray7 = () => {46    const testArray = array(string(), 1, 10);

Using AI Code Generation

1import { SubarrayArbitraryBuilder } from 'fast-check';2const builder = new SubarrayArbitraryBuilder();3  .withSubarrayLength(5)4  .withSubarrayLength(10)5  .withSubarrayLength(15)6  .withSubarrayLength(20)7  .build();8  .withSubarrayLength(5)9  .withSubarrayLength(10)10  .withSubarrayLength(15)11  .withSubarrayLength(20)12  .build();13  .withSubarrayLength(5)14  .withSubarrayLength(10)15  .withSubarrayLength(15)16  .withSubarrayLength(20)17  .build();18  .withSubarrayLength(5)19  .withSubarrayLength(10)20  .withSubarrayLength(15)21  .withSubarrayLength(20)22  .build();23  .withSubarrayLength(5)24  .withSubarrayLength(10)25  .withSubarrayLength(15)26  .withSubarrayLength(20)27  .build();28  .withSubarrayLength(5)29  .withSubarrayLength(10)30  .withSubarrayLength(15)31  .withSubarrayLength(20)32  .build();33  .withSubarrayLength(5)34  .withSubarrayLength(10)35  .withSubarrayLength(15)36  .withSubarrayLength(20)37  .build();38  .withSubarrayLength(5)39  .withSubarrayLength(10)40  .withSubarrayLength(15)41  .withSubarrayLength(20)42  .build();43  .withSubarrayLength(5)44  .withSubarrayLength(10)45  .withSubarrayLength(15)46  .withSubarrayLength(20)47  .build();48  .withSubarrayLength(5)49  .withSubarrayLength(10)50  .withSubarrayLength(15)51  .withSubarrayLength(20

Using AI Code Generation

1import { subarray } from 'fast-check';2const subarrayArbitrary = subarray(3);4const subarrayArbitrary = subarray(5);6subarrayArbitrary.sample().forEach((a) => console.log(a));

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.