How to use allValuesFromSlices method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

SlicedBasedGenerator.spec.ts

Source:SlicedBasedGenerator.spec.ts Github

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1import fc from 'fast-check';2import { SlicedBasedGenerator } from '../../../../../src/arbitrary/_internals/implementations/SlicedBasedGenerator';3import { Value } from '../../../../../src/check/arbitrary/definition/Value';4import { fakeArbitrary } from '../../__test-helpers__/ArbitraryHelpers';5import { fakeRandom } from '../../__test-helpers__/RandomHelpers';6describe('SlicedBasedGenerator', () => {7 describe('attemptExact', () => {8 it('should take one of the provided slices and return it item by item', () => {9 fc.assert(10 fc.property(11 fc.array(fc.array(fc.anything(), { minLength: 1 }), { minLength: 1 }),12 fc.nat(),13 fc.nat(),14 fc.integer({ min: 2 }),15 (slices, targetLengthMod, selectOneMod, biasFactor) => {16 // Arrange17 const { instance: arb } = fakeArbitrary();18 const { instance: mrng, nextInt } = fakeRandom();19 nextInt20 .mockReturnValueOnce(1) // 1 to go for "value from slices"21 .mockImplementationOnce((min, max) => (selectOneMod % (max - min + 1)) + min);22 const targetLength = slices[targetLengthMod % slices.length].length;23 // Act24 const generator = new SlicedBasedGenerator(arb, mrng, slices, biasFactor);25 const readFromGenerator: unknown[] = [];26 generator.attemptExact(targetLength);27 for (let index = 0; index !== targetLength; ++index) {28 readFromGenerator.push(generator.next().value);29 }30 // Assert31 expect(nextInt).toHaveBeenCalledTimes(2); // only called twice: 1/ to bias to one of the slices 2/ to select which one32 expect(nextInt).toHaveBeenCalledWith(1, biasFactor);33 expect(slices).toContainEqual(readFromGenerator);34 }35 )36 );37 });38 });39 describe('next', () => {40 it('should only go for values coming from the source arbitrary when tossing for unbias', () => {41 fc.assert(42 fc.property(43 fc.array(fc.array(fc.anything(), { minLength: 1 }), { minLength: 1 }),44 fc.infiniteStream(fc.anything()),45 fc.nat({ max: 10 }),46 fc.integer({ min: 2 }),47 (slices, streamValues, targetLength, biasFactor) => {48 // Arrange49 const producedValues: unknown[] = [];50 const { instance: arb, generate } = fakeArbitrary();51 generate.mockImplementation(() => {52 const value = streamValues.next().value;53 const context = streamValues.next().value;54 producedValues.push(value);55 return new Value(value, context);56 });57 const { instance: mrng, nextInt } = fakeRandom();58 nextInt.mockImplementation((_min, max) => max); // >min ie in [min+1,max] corresponds to unbiased59 // Act60 const generator = new SlicedBasedGenerator(arb, mrng, slices, biasFactor);61 const readFromGenerator: unknown[] = [];62 generator.attemptExact(targetLength);63 for (let index = 0; index !== targetLength; ++index) {64 readFromGenerator.push(generator.next().value);65 }66 // Assert67 expect(generate).toHaveBeenCalledTimes(targetLength);68 expect(readFromGenerator).toEqual(producedValues);69 }70 )71 );72 });73 it('should only go for values coming from the slices when tossing for bias', () => {74 fc.assert(75 fc.property(76 fc.array(fc.array(fc.anything(), { minLength: 1 }), { minLength: 1 }),77 fc.infiniteStream(fc.nat()),78 fc.nat({ max: 10 }),79 fc.integer({ min: 2 }),80 fc.boolean(),81 (slices, streamModValues, targetLength, biasFactor, withAttemptExact) => {82 // Arrange83 const { instance: arb, generate } = fakeArbitrary();84 const { instance: mrng, nextInt } = fakeRandom();85 const allValuesFromSlices = slices.flat();86 // Act87 const generator = new SlicedBasedGenerator(arb, mrng, slices, biasFactor);88 const readFromGenerator: unknown[] = [];89 if (withAttemptExact) {90 nextInt.mockImplementation((_min, max) => max); // no bias for attemptExact91 generator.attemptExact(targetLength);92 }93 for (let index = 0; index !== targetLength; ++index) {94 let returnedBias = false;95 nextInt.mockImplementation((min, max) => {96 if (!returnedBias) {97 returnedBias = true;98 return min; // ask for bias, to make sure we use slices99 }100 return (streamModValues.next().value % (max - min + 1)) + min; // pure random for next calls101 });102 const value = generator.next().value;103 expect(allValuesFromSlices).toContain(value); // should only produce values coming from slices104 readFromGenerator.push(value);105 }106 // Assert107 expect(generate).not.toHaveBeenCalled();108 }109 )110 );111 });112 });...

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Using AI Code Generation

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1const fc = require('fast-check');2const allValuesFromSlices = require('fast-check-monorepo').allValuesFromSlices;3const values = allValuesFromSlices([4]);5console.log('values', values);6const fc = require('fast-check');7const allValuesFromSlices = require('fast-check').allValuesFromSlices;8const values = allValuesFromSlices([9]);10console.log('values', values);

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Using AI Code Generation

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1import { allValuesFromSlices } from 'fast-check'2const values = allValuesFromSlices([1, 2, 3], [4, 5, 6])3console.log(values)4import { allValuesFromSlices } from 'fast-check'5fc.property(6 fc.array(fc.nat()),7 fc.array(fc.string()),8 (arr1, arr2) => {9 const values = allValuesFromSlices(arr1, arr2)10 return values.every(([a, b]) => arr1.includes(a) && arr2.includes(b))11 }12import { allValuesFromSlices } from 'fast-check'13fc.assert(14 fc.property(15 fc.array(fc.nat()),16 fc.array(fc.string()),17 (arr1, arr2) => {18 const values = allValuesFromSlices(arr1, arr2)19 return values.every(([a, b]) => arr1.includes(a) && arr2.includes(b))20 }21import { allValuesFromSlices } from 'fast-check'22fc.check(23 fc.property(24 fc.array(fc.nat()),25 fc.array(fc.string()),26 (arr1, arr2) => {

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Using AI Code Generation

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1import allValuesFromSlices from 'fast-check';2describe('test', () => {3 it('test', () => {4 ];5 const allValues = allValuesFromSlices(slices);6 console.log(allValues);7 });8});9I have a function that takes 3 parameters and I want to generate all possible combinations of values for those 3 parameters. I know I can use fast-check’s array() method to generate an array of values for each parameter, but how can I generate all possible combinations of values from those 3 arrays?10I have a function that takes 3 parameters and I want to generate all possible combinations of values for those 3 parameters. I know I can use fast-check’s array() method to generate an array of values for each parameter, but how can I generate all possible combinations of values from those

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Using AI Code Generation

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1const { allValuesFromSlices } = require('fast-check');2const { allValuesFromSlices } = require('fast-check/lib/types/property/AllValuesFromSlices');3const { allValuesFromSlices } = require('fast-check/lib/types/property/AllValuesFromSlices');4const { allValuesFromSlices } = require('fast-check/lib/types/property/AllValuesFromSlices');5const { allValuesFromSlices } = require('fast-check/lib/types/property/AllValuesFromSlices');6const { allValuesFromSlices } = require('fast-check/lib/types/property/AllValuesFromSlices');7const { allValuesFromSlices } = require('fast-check/lib/types/property/AllValuesFromSlices');8const { allValuesFromSlices } = require('fast-check/lib/types/property/AllValuesFromSlices');9const { allValuesFromSlices } = require('fast-check/lib/types/property/AllValuesFromSlices');10const { allValuesFromSlices } = require('fast-check/lib/types/property/AllValuesFromSlices');11const { allValuesFromSlices } = require('fast-check/lib/types/property/AllValuesFromSlices');12const { allValuesFromSlices } = require('fast-check/lib/types/property/AllValuesFromSlices');13const { allValuesFromSlices } = require('fast-check/lib/types/property/AllValuesFromSlices');14const { allValuesFromSlices } = require('fast-check/lib/types/property/AllValuesFromSlices');

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Using AI Code Generation

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1const { allValuesFromSlices } = require('fast-check-monorepo');2];3const allValues = allValuesFromSlices(slices);4console.log(allValues);5const allValues = Array.from(allValuesFromSlices(slices));6console.log(allValues);

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Using AI Code Generation

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1const fc = require('fast-check');2const values = fc.allValuesFromSlices([{a: 1, b: 2}, {a: 4, b: 5}]);3console.log(values);4const fc = require('fast-check');5const values = fc.allValuesFromSlices([{a: 1, b: 2}, {a: 4, b: 5}]);6console.log(values);7const fc = require('fast-check');8const values = fc.allValuesFromSlices([{a: 1, b: 2}, {a: 4, b: 5}]);9console.log(values);10const fc = require('fast-check');11const values = fc.allValuesFromSlices([{a: 1, b: 2}, {a: 4, b: 5}]);12console.log(values);13const fc = require('fast-check');14const values = fc.allValuesFromSlices([{a: 1, b: 2}, {a: 4, b: 5}]);15console.log(values);16const fc = require('fast-check');17const values = fc.allValuesFromSlices([{a: 1, b: 2}, {a: 4, b: 5}]);18console.log(values

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Using AI Code Generation

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1const fc = require('fast-check');2const allValuesFromSlices = require('fast-check/lib/esm/check/arbitrary/helpers/AllValuesFromSlices').allValuesFromSlices;3const allValues = allValuesFromSlices([[1,2,3], [4,5,6]]);4console.log(allValues);5const fc = require('fast-check');6const allValuesFromSlices = require('fast-check/lib/esm/check/arbitrary/helpers/AllValuesFromSlices').allValuesFromSlices;7const allValues = allValuesFromSlices([[1,2,3], [4,5,6]]);8describe('allValuesFromSlices', () => {9 it('should return all values from slices', () => {10 const expected = [1,2,3,4,5,6];11 expect(allValues).toEqual(expected);12 });13});

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Using AI Code Generation

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1const { allValuesFromSlices } = require('fast-check');2const { array, string } = require('fast-check');3const gen = array(string());4const slices = gen.slices();5const values = allValuesFromSlices(slices);6console.log(values);7const { allValuesFromSlices } = require('fast-check');8const { array, string } = require('fast-check');9const gen = array(string());10const slices = gen.slices();11const values = allValuesFromSlices(slices);12console.log(values);13const { allValuesFromSlices } = require('fast-check');14const { array, string } = require('fast-check');15const gen = array(string());16const slices = gen.slices();17const values = allValuesFromSlices(slices);18console.log(values);19const { allValuesFromSlices } = require('fast-check');20const { array, string } = require('fast-check');21const gen = array(string());22const slices = gen.slices();

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Using AI Code Generation

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1import * as fc from 'fast-check';2import { allValuesFromSlices } from 'fast-check-monorepo';3const arb = fc.string();4const maxSlices = 10;5const maxSliceSize = 10;6const maxDepth = 5;7const arbs = allValuesFromSlices(arb, maxSlices, maxSliceSize, maxDepth);8fc.assert(9 fc.property(arbs, (v) => {10 const obj = v.reduce((acc, val) => ({ ...acc, ...val }), {});11 console.log(obj);12 return true;13 })14);15import * as fc from 'fast-check';16import { allValuesFromSlices } from 'fast-check-monorepo';17const arb = fc.string();18const maxSlices = 10;19const maxSliceSize = 10;20const maxDepth = 5;21const arbs = allValuesFromSlices(arb, maxSlices, maxSliceSize, maxDepth);22fc.assert(23 fc.property(arbs, (v) => {24 const obj = v.reduce((acc, val) => ({ ...acc, ...val }), {});25 console.log(obj);26 return true;27 })28);29import * as fc from 'fast-check';30import { allValuesFromSlices } from 'fast-check-monorepo';31const arb = fc.string();32const maxSlices = 10;33const maxSliceSize = 10;34const maxDepth = 5;35const arbs = allValuesFromSlices(arb, maxSlices, maxSliceSize, maxDepth);36fc.assert(37 fc.property(arbs, (v) => {38 const obj = v.reduce((acc, val) => ({ ...acc, ...val }), {});39 console.log(obj

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