How to use extractedPercents method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

Sampler.spec.ts

Source:Sampler.spec.ts Github

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1import * as fc from 'fast-check';2import { sample, statistics } from '../../../../src/check/runner/Sampler';3import * as stubArb from '../../stubs/arbitraries';4import { cloneMethod } from '../../../../src/check/symbols';5import { fakeArbitrary } from '../../arbitrary/__test-helpers__/ArbitraryHelpers';6import { Value } from '../../../../src/check/arbitrary/definition/Value';7const MAX_NUM_RUNS = 1000;8describe('Sampler', () => {9 describe('sample', () => {10 it('Should produce the same sequence given the same seed', () =>11 fc.assert(12 fc.property(fc.integer(), (seed) => {13 const out1 = sample(stubArb.forward(), { seed: seed });14 const out2 = sample(stubArb.forward(), { seed: seed });15 expect(out2).toEqual(out1);16 })17 ));18 it('Should produce the same sequence given the same seed and different lengths', () =>19 fc.assert(20 fc.property(fc.integer(), fc.nat(MAX_NUM_RUNS), fc.nat(MAX_NUM_RUNS), (seed, l1, l2) => {21 const out1 = sample(stubArb.forward(), { seed: seed, numRuns: l1 });22 const out2 = sample(stubArb.forward(), { seed: seed, numRuns: l2 });23 const lmin = Math.min(l1, l2);24 expect(out2.slice(0, lmin)).toEqual(out1.slice(0, lmin));25 })26 ));27 it('Should produce exactly the number of outputs', () =>28 fc.assert(29 fc.property(fc.nat(MAX_NUM_RUNS), fc.integer(), (num, start) => {30 const arb = stubArb.counter(start);31 const out = sample(arb, num);32 expect(out).toHaveLength(num);33 expect(out).toEqual(arb.generatedValues.slice(0, num)); // give back the values in order34 // ::generate might have been called one time more than expected depending on its implementation35 })36 ));37 it('Should produce exactly the number of outputs when called with number', () =>38 fc.assert(39 fc.property(fc.nat(MAX_NUM_RUNS), fc.integer(), (num, start) => {40 const arb = stubArb.counter(start);41 const out = sample(arb, num);42 expect(out).toHaveLength(num);43 expect(out).toEqual(arb.generatedValues.slice(0, num)); // give back the values in order44 })45 ));46 it('Should not call arbitrary more times than the number of values required', () =>47 fc.assert(48 fc.property(fc.nat(MAX_NUM_RUNS), fc.integer(), (num, start) => {49 const arb = stubArb.counter(start);50 sample(arb, num);51 expect(arb.generatedValues).toHaveLength(num);52 })53 ));54 it('Should throw on wrong path (too deep)', () => {55 const arb = stubArb.forward().noShrink();56 expect(() => sample(arb, { seed: 42, path: '0:0:0' })).toThrowError();57 // 0:1 should not throw but retrieve an empty set58 });59 it('Should throw on invalid path', () => {60 const arb = stubArb.forward().noShrink();61 expect(() => sample(arb, { seed: 42, path: 'invalid' })).toThrowError();62 });63 it('Should not call clone on cloneable instances', () => {64 const cloneable = {65 [cloneMethod]: () => {66 throw new Error('Unexpected call to [cloneMethod]');67 },68 };69 const { instance, generate } = fakeArbitrary();70 generate.mockReturnValue(new Value(cloneable, undefined));71 sample(instance, { seed: 42 });72 });73 });74 describe('statistics', () => {75 const customGen = (m = 7) => stubArb.forward().map((v) => ((v % m) + m) % m);76 const rePercent = /(\d+\.\d+)%$/;77 it('Should always produce for non null number of runs', () =>78 fc.assert(79 fc.property(fc.integer(), fc.integer({ min: 1, max: MAX_NUM_RUNS }), (seed, runs) => {80 const logs: string[] = [];81 const classify = (g: number) => g.toString();82 statistics(customGen(), classify, { seed: seed, numRuns: runs, logger: (v: string) => logs.push(v) });83 expect(logs.length).not.toEqual(0); // at least one log84 })85 ));86 it('Should produce the same statistics given the same seed', () =>87 fc.assert(88 fc.property(fc.integer(), (seed) => {89 const logs1: string[] = [];90 const logs2: string[] = [];91 const classify = (g: number) => g.toString();92 statistics(customGen(), classify, { seed: seed, logger: (v: string) => logs1.push(v) });93 statistics(customGen(), classify, { seed: seed, logger: (v: string) => logs2.push(v) });94 expect(logs2).toEqual(logs1);95 })96 ));97 it('Should start log lines with labels', () =>98 fc.assert(99 fc.property(fc.integer(), (seed) => {100 const logs: string[] = [];101 const classify = (g: number) => `my_label_${g.toString()}!`;102 statistics(customGen(), classify, { seed: seed, logger: (v: string) => logs.push(v) });103 for (const l of logs) {104 expect(l).toMatch(/^my_label_(\d+)!\.+\d+\.\d+%$/); // my_label_123!.....DD%105 }106 })107 ));108 it('Should end log lines with percentage', () =>109 fc.assert(110 fc.property(fc.integer(), (seed) => {111 const logs: string[] = [];112 const classify = (g: number) => g.toString();113 statistics(customGen(), classify, { seed: seed, logger: (v: string) => logs.push(v) });114 for (const l of logs) {115 expect(l).toMatch(rePercent); // end by the measured percentage116 }117 })118 ));119 it('Should sum to 100% when provided a single classifier', () =>120 fc.assert(121 fc.property(fc.integer(), (seed) => {122 const logs: string[] = [];123 const classify = (g: number) => g.toString();124 statistics(customGen(), classify, { seed: seed, logger: (v: string) => logs.push(v) });125 const extractedPercents = logs.map((l) => parseFloat(rePercent.exec(l)![1]));126 const lowerBound = extractedPercents.reduce((p, c) => p + c - 0.01);127 const upperBound = extractedPercents.reduce((p, c) => p + c + 0.01);128 expect(lowerBound).toBeLessThanOrEqual(100);129 expect(upperBound).toBeGreaterThanOrEqual(100);130 })131 ));132 it('Should order percentages from the highest to the lowest', () =>133 fc.assert(134 fc.property(fc.integer(), (seed) => {135 const logs: string[] = [];136 const classify = (g: number) => g.toString();137 statistics(customGen(), classify, { seed: seed, logger: (v: string) => logs.push(v) });138 const extractedPercents = logs.map((l) => parseFloat(rePercent.exec(l)![1]));139 for (let idx = 1; idx < extractedPercents.length; ++idx) {140 expect(extractedPercents[idx - 1]).toBeGreaterThanOrEqual(extractedPercents[idx]);141 }142 })143 ));144 it('Should be able to handle multiple classifiers', () =>145 fc.assert(146 fc.property(fc.integer(), (seed) => {147 const logs: string[] = [];148 const classify = (g: number) => (g % 2 === 0 ? [`a::${g}`, `b::${g}`, `c::${g}`] : [`a::${g}`, `b::${g}`]);149 statistics(customGen(), classify, { seed: seed, logger: (v: string) => logs.push(v) });150 const extractedPercents = logs.map((l) => parseFloat(rePercent.exec(l)![1]));151 const lowerBound = extractedPercents.reduce((p, c) => p + c - 0.01);152 const upperBound = extractedPercents.reduce((p, c) => p + c + 0.01);153 expect(lowerBound).toBeLessThanOrEqual(300); // we always have a and b154 expect(upperBound).toBeGreaterThanOrEqual(200); // we can also have c155 const associatedWithA = logs156 .filter((l) => l.startsWith('a::'))157 .map((l) => l.slice(1))158 .sort();159 const associatedWithB = logs160 .filter((l) => l.startsWith('b::'))161 .map((l) => l.slice(1))162 .sort();163 expect(associatedWithB).toEqual(associatedWithA); // same logs for a:: and b::164 })165 ));166 it('Should not produce more logs than the number of classified values', () =>167 fc.assert(168 fc.property(fc.integer(), fc.integer({ min: 1, max: 100 }), (seed, mod) => {169 const logs: string[] = [];170 const classify = (g: number) => g.toString();171 statistics(customGen(mod), classify, { seed: seed, logger: (v: string) => logs.push(v) });172 expect(logs.length).toBeGreaterThanOrEqual(1); // at least one log173 expect(logs.length).toBeLessThanOrEqual(mod); // aggregate classified values together174 })175 ));176 it('Should not call arbitrary more times than the number of values required', () =>177 fc.assert(178 fc.property(fc.nat(MAX_NUM_RUNS), fc.integer(), (num, start) => {179 const classify = (g: number) => g.toString();180 const arb = stubArb.counter(start);181 statistics(arb, classify, { numRuns: num, logger: (_v: string) => {} });182 expect(arb.generatedValues).toHaveLength(num); // only call the arbitrary once per asked value183 })184 ));185 });...

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Using AI Code Generation

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1import {extractedPercents} from 'fast-check';2import * as fc from 'fast-check';3import {extractedPercents} from 'fast-check-monorepo/src/check/arbitrary/ExtractedPercentsArbitrary.ts';4import {extractedPercents} from 'fast-check';5import * as fc from 'fast-check';6import {extractedPercents} from 'fast-check-monorepo/src/check/arbitrary/ExtractedPercentsArbitrary.ts';7import {extractedPercents} from 'fast-check';8import * as fc from 'fast-check';9import {extractedPercents} from 'fast-check-monorepo/src/check/arbitrary/ExtractedPercentsArbitrary.ts';10import {extractedPercents} from 'fast-check';11import * as fc from 'fast-check';12import {extractedPercents} from 'fast-check-monorepo/src/check/arbitrary/ExtractedPercentsArbitrary.ts';13import {extractedPercents} from 'fast-check';14import * as fc from 'fast-check';15import {extractedPercents} from 'fast-check-monorepo/src/check/arbitrary/ExtractedPercentsArbitrary.ts';16import {extractedPercents} from 'fast-check';17import * as fc from 'fast-check';18import {extractedPercents} from 'fast-check-monorepo/src/check/arbitrary/ExtractedPercentsArbitrary.ts';19import {extractedP

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Using AI Code Generation

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1const fastCheck = require('fast-check')2const {extractedPercents} = fastCheck3const {extractedPercents} = require('fast-check')4const {extractedPercents} = require('fast-check')5const {extractedPercents} = require('fast-check-monorepo')6const {extractedPercents} = require('fast-check-monorepo')7const {extractedPercents} = require('fast-check-monorepo')8const {extractedPercents} = require('fast-check-monorepo')9const {extractedPercents} = require('fast-check')10const {extractedPercents} = require('fast-check')11const {extractedPercents} = require('fast-check-monorepo')12const {extractedPercents} = require('fast-check-monorepo')13const {extractedPercents} = require('fast-check')14const {extractedPercents} = require('fast-check-monorepo')15const {extractedPercents} = require('fast-check-monorepo')16const {extractedPercents} = require('fast-check-monorepo')17const {extractedPercents} = require('fast-check-monorepo')18const {extractedPercents} = require('fast-check-monorepo')19const {extractedPercents} = require('fast-check-monorepo')20const {extractedP

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Using AI Code Generation

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1"workspaces": {2}3{4}5function getRandomInt(min, max) {6 const minInt = Math.ceil(min);7 const maxInt = Math.floor(max);8 return Math.floor(Math.random() * (maxInt - minInt)) + minInt;9}10function getRandomPercents(total,

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Using AI Code Generation

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1const { extractedPercents } = require('fast-check-monorepo');2console.log(extractedPercents('abc 12% def 56% ghi 90% jkl'));3{4 "dependencies": {5 }6}

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Using AI Code Generation

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1const extractedPercents = require('fast-check-monorepo');2console.log(extractedPercents('%12%23%34%45%56%67%78%89%90%'));3const extractedPercents = require('fast-check-monorepo');4console.log(extractedPercents('12%23%34%45%56%67%78%89%90%'));5const extractedPercents = require('fast-check-monorepo');6console.log(extractedPercents('12%23%34%45%56%67%78%89%90%'));7const extractedPercents = require('fast-check-monorepo');8console.log(extractedPercents('12%23%34%45%56%67%78%89%90%'));9const extractedPercents = require('fast-check-monorepo');10console.log(extractedPercents('12%23%34%45%56%67%78%89%90%'));11const extractedPercents = require('fast-check-monorepo');12console.log(extracted

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Using AI Code Generation

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1const extractedPercents = require('fast-check-monorepo/extractedPercents')2extractedPercents('This is a test of the emergency broadcast system. 5% of the people are asleep. 10% of the people are awake. 85% of the people are in a dream state.').then(result => console.log(result))3const extractedPercents = require('fast-check-monorepo/extractedPercents')4extractedPercents('This is a test of the emergency broadcast system. 5% of the people are asleep. 10% of the people are awake. 85% of the people are in a dream state.').then(result => console.log(result))5const extractedPercents = require('fast-check-monorepo/extractedPercents')6extractedPercents('This is a test of the emergency broadcast system. 5% of the people are asleep. 10% of the people are awake. 85% of the people are in a dream state.').then(result => console.log(result))7const extractedPercents = require('fast-check-monorepo/extractedPercents')8extractedPercents('This is a test of the emergency broadcast system. 5% of the people are asleep. 10% of the people are awake. 85% of the people are in a dream state.').then(result => console.log(result))9const extractedPercents = require('fast-check-monorepo/extractedPercents')10extractedPercents('This is a test of the emergency

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