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

How to use refinementOnValue method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

Arbitrary.ts

Source:Arbitrary.ts

...315class FilterArbitrary<T, U extends T> extends Arbitrary<U> {316  readonly bindRefinementOnValue: (v: Value<T>) => v is Value<U>;317  constructor(readonly arb: Arbitrary<T>, readonly refinement: (t: T) => t is U) {318    super();319    this.bindRefinementOnValue = (v: Value<T>): v is Value<U> => this.refinementOnValue(v);320  }321  generate(mrng: Random, biasFactor: number | undefined): Value<U> {322    // eslint-disable-next-line no-constant-condition323    while (true) {324      const g = this.arb.generate(mrng, biasFactor);325      if (this.refinementOnValue(g)) {326        return g;327      }328    }329  }330  canShrinkWithoutContext(value: unknown): value is U {331    return this.arb.canShrinkWithoutContext(value) && this.refinement(value);332  }333  shrink(value: U, context?: unknown): Stream<Value<U>> {334    return this.arb.shrink(value, context).filter(this.bindRefinementOnValue);335  }336  private refinementOnValue(v: Value<T>): v is Value<U> {337    return this.refinement(v.value);338  }339}340/** @internal */341class NoShrinkArbitrary<T> extends Arbitrary<T> {342  constructor(readonly arb: Arbitrary<T>) {343    super();344  }345  generate(mrng: Random, biasFactor: number | undefined): Value<T> {346    return this.arb.generate(mrng, biasFactor);347  }348  canShrinkWithoutContext(value: unknown): value is T {349    return this.arb.canShrinkWithoutContext(value);350  }...

Using AI Code Generation

1const fc = require('fast-check');2const { refinementOnValue } = require('fast-check');3const isEven = (n) => n % 2 === 0;4const isOdd = (n) => n % 2 !== 0;5const even = refinementOnValue(isEven, 'even');6const odd = refinementOnValue(isOdd, 'odd');7fc.assert(8  fc.property(fc.integer(), (n) => {9    return isEven(n) === even().is(n);10  })11);12fc.assert(13  fc.property(fc.integer(), (n) => {14    return isOdd(n) === odd().is(n);15  })16);17fc.assert(18  fc.property(fc.integer(), (n) => {19    return isEven(n) === even().is(n) && isOdd(n) === odd().is(n);20  })21);22fc.assert(23  fc.property(fc.integer(), (n) => {24    return isEven(n) === even().is(n) || isOdd(n) === odd().is(n);25  })26);27fc.assert(28  fc.property(fc.integer(), (n) => {29    return isEven(n) === even().is(n) && isOdd(n) === odd().is(n) && n === 0;30  })31);32fc.assert(33  fc.property(fc.integer(), (n) => {34    return isEven(n) === even().is(n) || isOdd(n) === odd().is(n) || n === 0;35  })36);37fc.assert(38  fc.property(fc.integer(), (n) => {39    return isEven(n) === even().is(n) && isOdd(n) === odd().is(n) && n !== 0;40  })41);42fc.assert(43  fc.property(fc.integer(), (n) => {44    return isEven(n) === even().is(n) || isOdd(n) === odd().is(n) || n !== 0;45  })46);47fc.assert(48  fc.property(fc.integer(), (n) => {49    return isEven(n) === even().is(n) || isOdd(n) === odd().is(n) || n !== 0;50  })51);52fc.assert(53  fc.property(fc.integer(), (n) => {54    return isEven(n) === even

Using AI Code Generation

1import { fc } from 'fast-check';2import { refinementOnValue } from 'fast-check-monorepo';3const isEven = (n: number) => n % 2 === 0;4const isOdd = (n: number) => n % 2 !== 0;5const isEvenArb = fc.integer().filter(isEven);6const isOddArb = fc.integer().filter(isOdd);7const refinedEven = refinementOnValue(isEvenArb, isEven);8const refinedOdd = refinementOnValue(isOddArb, isOdd);9fc.assert(10  fc.property(refinedEven, (n) => isEven(n) && !isOdd(n))11);12fc.assert(13  fc.property(refinedOdd, (n) => isOdd(n) && !isEven(n))14);15import { fc } from '@fc/core';16Thanks for the reply. I am not able to import @fc/core . I am getting the following error:17You are not getting this error because you are trying to import fast-check-monorepo but because you are trying

Using AI Code Generation

1const fc = require('fast-check');2const isEven = (n) => n % 2 === 0;3const arbEven = fc.integer().filter(isEven);4fc.assert(5  fc.property(arbEven, (n) => {6    return isEven(n);7  })8);9const fc = require('fast-check');10const isEven = (n) => n % 2 === 0;11const arbEven = fc.integer().refineOnValue(isEven);12fc.assert(13  fc.property(arbEven, (n) => {14    return isEven(n);15  })16);

Using AI Code Generation

1const fc = require("fast-check");2const { refinementOnValue } = require("fast-check/lib/arbitrary/refinementOnValue");3const { string } = require("fast-check/lib/arbitrary/string");4const { tuple } = require("fast-check/lib/arbitrary/tuple");5const { integer } = require("fast-check/lib/arbitrary/integer");6const { constantFrom } = require("fast-check/lib/arbitrary/constantFrom");7const { record } = require("fast-check/lib/arbitrary/record");8const { oneof } = require("fast-check/lib/arbitrary/oneof");9const { option } = require("fast-check/lib/arbitrary/option");10const { set } = require("fast-check/lib/arbitrary/set");11const { array } = require("fast-check/lib/arbitrary/array");12const { map } = require("fast-check/lib/arbitrary/map");13const { float } = require("fast-check/lib/arbitrary/float");14const { bigInt } = require("fast-check/lib/arbitrary/bigInt");15const { date } = require("fast-check/lib/arbitrary/date");16const { regexp } from require("fast-check/lib/arbitrary/regexp");17const { unicodeString } from require("fast-check/lib/arbitrary/unicodeString");18const { unicodeJson } from require("fast-check/lib/arbitrary/unicodeJson");19const { unicodeJsonObject } from require("fast-check/lib/arbitrary/unicodeJsonObject");20const { unicodeJsonArray } from require("fast-check/lib/arbitrary/unicodeJsonArray");21const { unicodeJsonString } from require("fast-check/lib/arbitrary/unicodeJsonString");22const { unicodeJsonNumber } from require("fast-check/lib/arbitrary/unicodeJsonNumber");23const { unicodeJsonNull } from require("fast-check/lib/arbitrary/unicodeJsonNull");24const { unicodeJsonBoolean } from require("fast-check/lib/arbitrary/unicodeJsonBoolean");25const { unicodeJsonArray } from require("fast-check/lib/arbitrary/unicodeJsonArray");26const { unicodeJsonObject } from require("fast-check/lib/arbitrary/unicodeJsonObject");27const { unicodeJsonString } from require("fast-check/lib/arbitrary/unicodeJsonString");28const { unicodeJsonNumber } from require("fast-check/lib/arbitrary/unicodeJsonNumber");29const { unicodeJsonNull } from require("fast-check/lib/arbitrary/unicodeJsonNull");30const { unicodeJsonBoolean } from require("fast-check/lib/arbitrary/unicodeJsonBoolean");31const { unicode

Using AI Code Generation

1import * as fc from "fast-check";2import * as assert from "assert";3import { refinementOnValue } from "fast-check/lib/check/arbitrary/RefinementArbitrary.js";4const isEven = (n: number) => n % 2 === 0;5const evenNumberArb = fc.integer().filter(isEven);6fc.assert(7  fc.property(evenNumberArb, n => {8    assert.ok(isEven(n));9  })10);11const isOdd = (n: number) => n % 2 !== 0;12const oddNumberArb = refinementOnValue(evenNumberArb, isOdd);13fc.assert(14  fc.property(oddNumberArb, n => {15    assert.ok(isOdd(n));16  })17);18import * as fc from "fast-check";19import * as assert from "assert";20import { refine } from "fast-check/lib/check/arbitrary/RefinementArbitrary.js";21const isEven = (n: number) => n % 2 === 0;22const evenNumberArb = fc.integer().filter(isEven);23fc.assert(24  fc.property(evenNumberArb, n => {25    assert.ok(isEven(n));26  })27);28const isOdd = (n: number) => n % 2 !== 0;29const oddNumberArb = evenNumberArb.refine(isOdd);30fc.assert(31  fc.property(oddNumberArb, n => {32    assert.ok(isOdd(n));33  })34);35import * as fc from "fast-check";36import * as assert from "assert";37const isEven = (n: number) => n % 2 === 0;38const evenNumberArb = fc.integer().filter(isEven);39fc.assert(40  fc.property(evenNumberArb, n => {41    assert.ok(isEven(n));42  })43);44const isOdd = (n: number) => n % 2 !== 0;45const oddNumberArb = evenNumberArb.refine(isOdd);46fc.assert(47  fc.property(oddNumberArb, n => {

Using AI Code Generation

1const { property, fc } = require("fast-check");2const { refinementOnValue } = require("fast-check-monorepo");3const isEven = (n) => n % 2 === 0;4const isOdd = (n) => n % 2 !== 0;5const isOddArb = fc.integer().filter(isOdd);6const isEvenArb = fc.integer().filter(isEven);7const isOddRefined = refinementOnValue(isOddArb, isEvenArb);8property(isOddRefined, (n) => isOdd(n)).check();9property(isOddRefined, (n) => isEven(n)).check();10const { property, fc } = require("fast-check");11const { refinementOnValue } = require("fast-check-monorepo");12const isEven = (n) => n % 2 === 0;13const isOdd = (n) => n % 2 !== 0;14const isOddArb = fc.integer().filter(isOdd);15const isEvenArb = fc.integer().filter(isEven);16const isOddRefined = refinementOnValue(isOddArb, isEvenArb);17property(isOddRefined, (n) => isOdd(n)).check();18property(isOddRefined, (n) => isEven(n)).check();

Using AI Code Generation

1import * as fc from 'fast-check';2fc.configureGlobal({ interruptAfterTimeLimit: 1000 });3const arb = fc.integer(1, 10);4const value = arb.refineOnValue((i) => i % 2 === 0);5console.log(value);6import * as fc from 'fast-check';7fc.configureGlobal({ interruptAfterTimeLimit: 1000 });8const arb = fc.integer(1, 10);9const value = arb.refineOnValue((i) => i % 2 === 0);10console.log(value);11import * as fc from 'fast-check';12fc.configureGlobal({ interruptAfterTimeLimit: 1000 });13const arb = fc.integer(1, 10);14const value = arb.refineOnValue((i) => i % 2 === 0);15console.log(value);16import * as fc from 'fast-check';17fc.configureGlobal({ interruptAfterTimeLimit: 1000 });18const arb = fc.integer(1, 10);19const value = arb.refineOnValue((i) => i % 2 === 0);20console.log(value);21import * as fc from 'fast-check';22fc.configureGlobal({ interruptAfterTimeLimit: 1000 });23const arb = fc.integer(1, 10);24const value = arb.refineOnValue((i) => i % 2 === 0);25console.log(value);

Using AI Code Generation

1const { arbitrary, refine } = require('fast-check');2const { refinementOnValue } = require('fast-check-monorepo');3const arr = arbitrary(arb => arb.array(arb.nat()));4const arrLessThan100 = refine(arr, array => array.every(num => num < 100));5const arrLessThan1000 = refine(arr, array => array.every(num => num < 1000));6console.log(arrLessThan100.sampleOne());7console.log(arrLessThan1000.sampleOne());8const { arbitrary, refine } = require('fast-check');9const { refinementOnValue } = require('fast-check-monorepo');10const arr = arbitrary(arb => arb.array(arb.nat()));

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.