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

How to use hardCodedRandomType method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

QualifiedParameters.spec.ts

Source:QualifiedParameters.spec.ts

1import * as fc from 'fast-check';2import * as prand from 'pure-rand';3import { QualifiedParameters } from '../../../../../src/check/runner/configuration/QualifiedParameters';4import { RandomType } from '../../../../../src/check/runner/configuration/RandomType';5import { VerbosityLevel } from '../../../../../src/check/runner/configuration/VerbosityLevel';6const parametersArbitrary = fc.record(7  {8    seed: fc.integer(),9    randomType: fc.constantFrom(10      prand.mersenne,11      prand.congruential,12      prand.congruential32,13      prand.xorshift128plus,14      prand.xoroshiro128plus15    ),16    numRuns: fc.nat(),17    maxSkipsPerRun: fc.nat(),18    timeout: fc.nat(),19    skipAllAfterTimeLimit: fc.nat(),20    interruptAfterTimeLimit: fc.nat(),21    markInterruptAsFailure: fc.boolean(),22    skipEqualValues: fc.boolean(),23    ignoreEqualValues: fc.boolean(),24    path: fc.array(fc.nat()).map((arr) => arr.join(':')),25    logger: fc.func(fc.constant(undefined)),26    unbiased: fc.boolean(),27    verbose: fc.constantFrom(VerbosityLevel.None, VerbosityLevel.Verbose, VerbosityLevel.VeryVerbose),28    examples: fc.array(fc.nat()),29    endOnFailure: fc.boolean(),30    reporter: fc.func(fc.constant(undefined)),31    asyncReporter: fc.func(fc.constant(Promise.resolve(undefined))),32    errorWithCause: fc.boolean(),33  },34  { requiredKeys: [] }35);36const hardCodedRandomType = fc.constantFrom(37  'mersenne',38  'congruential',39  'congruential32',40  'xorshift128plus',41  'xoroshiro128plus'42) as fc.Arbitrary<RandomType>;43describe('QualifiedParameters', () => {44  describe('read', () => {45    it('Should forward as-is values already set in Parameters', () =>46      fc.assert(47        fc.property(parametersArbitrary, (params) => {48          const qualifiedParams = QualifiedParameters.read(params);49          for (const key of Object.keys(params)) {50            expect(qualifiedParams).toHaveProperty(key);51            expect((qualifiedParams as any)[key]).toEqual((params as any)[key]);52          }53        })54      ));55    it('Should transform verbose boolean to its corresponding VerbosityLevel', () =>56      fc.assert(57        fc.property(parametersArbitrary, fc.boolean(), (params, verbose) => {58          const expectedVerbosityLevel = verbose ? VerbosityLevel.Verbose : VerbosityLevel.None;59          const qparams = QualifiedParameters.read({ ...params, verbose });60          return qparams.verbose === expectedVerbosityLevel;61        })62      ));63    it('Should transform correctly hardcoded randomType', () =>64      fc.assert(65        fc.property(parametersArbitrary, hardCodedRandomType, (params, randomType) => {66          const qparams = QualifiedParameters.read({ ...params, randomType });67          return qparams.randomType === prand[randomType];68        })69      ));70    it('Should throw on invalid randomType', () =>71      fc.assert(72        fc.property(parametersArbitrary, (params) => {73          expect(() => QualifiedParameters.read({ ...params, randomType: 'invalid' as RandomType })).toThrowError();74        })75      ));76    describe('Seeds outside of 32 bits range', () => {77      const seedsOutsideRangeArb = fc.oneof(78        fc.double(),79        fc.double({ min: Number.MIN_VALUE, max: Number.MAX_VALUE }),80        fc.integer({ min: Number.MIN_SAFE_INTEGER, max: Number.MAX_SAFE_INTEGER }),81        fc.constantFrom(Number.POSITIVE_INFINITY, Number.NEGATIVE_INFINITY, Number.NaN)82      );83      it('Should produce 32 bits signed seed', () =>84        fc.assert(85          fc.property(seedsOutsideRangeArb, (unsafeSeed) => {86            const qparams = QualifiedParameters.read({ seed: unsafeSeed });87            return (qparams.seed | 0) === qparams.seed;88          })89        ));90      it('Should produce the same seed given the same input', () =>91        fc.assert(92          fc.property(seedsOutsideRangeArb, (unsafeSeed) => {93            const qparams1 = QualifiedParameters.read({ seed: unsafeSeed });94            const qparams2 = QualifiedParameters.read({ seed: unsafeSeed });95            return qparams1.seed === qparams2.seed;96          })97        ));98      it('Should transform distinct values between 0 and 1 into distinct seeds', () =>99        fc.assert(100          fc.property(101            fc.double({ min: 0, max: 1 - Number.EPSILON }),102            fc.double({ min: 0, max: 1 - Number.EPSILON }),103            (unsafeSeed1, unsafeSeed2) => {104              fc.pre(Math.abs(unsafeSeed1 * 0xffffffff - unsafeSeed2 * 0xffffffff) >= 1);105              const qparams1 = QualifiedParameters.read({ seed: unsafeSeed1 });106              const qparams2 = QualifiedParameters.read({ seed: unsafeSeed2 });107              return qparams1.seed !== qparams2.seed;108            }109          )110        ));111      it('Should truncate integer values into a 32 signed bits seed', () =>112        fc.assert(113          fc.property(fc.integer({ min: Number.MIN_SAFE_INTEGER, max: Number.MAX_SAFE_INTEGER }), (unsafeSeed) => {114            const qparams = QualifiedParameters.read({ seed: unsafeSeed });115            return qparams.seed === (unsafeSeed | 0);116          })117        ));118    });119  });...

Using AI Code Generation

1const {hardCodedRandomType} = require('fast-check-monorepo');2module.exports = {3};4const {hardCodedRandomType} = require('./test');5describe('hardCodedRandomType', () => {6  it('should return the same value for the same seed', () => {7    expect(hardCodedRandomType(0)).toEqual(0.84375);8    expect(hardCodedRandomType(0)).toEqual(0.84375);9  });10  it('should return a different value for a different seed', () => {11    expect(hardCodedRandomType(1)).toEqual(0.15625);12    expect(hardCodedRandomType(2)).toEqual(0.34375);13  });14});15const {hardCodedRandomType} = require('./test');16describe('hardCodedRandomType', () => {17  it('should return the same value for the same seed', () => {18    expect(hardCodedRandomType(0)).toEqual(0.84375);19    expect(hardCodedRandomType(0)).toEqual(0.84375);20  });21  it('should return a different value for a different seed', () => {22    expect(hardCodedRandomType(1)).toEqual(0.15625);23    expect(hardCodedRandomType(2)).toEqual(0.34375);24  });25});26const {hardCodedRandomType} = require('./test');27describe('hardCodedRandomType', () => {28  it('should return the same value for the same seed', () => {29    expect(hardCodedRandomType(0)).toEqual(0.84375);30    expect(hardCodedRandomType(0)).toEqual(0.84375);31  });32  it('should return a different value for a different seed', () => {33    expect(hardCodedRandomType(1)).toEqual(0.15625);34    expect(hardCodedRandomType(2)).toEqual(0.34375);35  });36});37const {hardCodedRandomType} = require('./test');

Using AI Code Generation

1import {hardCodedRandomType} from 'fast-check'2const randomType = hardCodedRandomType(seed)3const random = randomType()4console.log(random.next())5console.log(random.next())6console.log(random.next())

Using AI Code Generation

1const {hardCodedRandomType} = require('fast-check-monorepo');2const {assert} = require('chai');3describe('test', () => {4  it('should pass', () => {5    assert.equal(hardCodedRandomType(), 'hardCodedRandomType');6  });7});8const {hardCodedRandomType} = require('fast-check-monorepo');9const {assert} = require('chai');10describe('test', () => {11  it('should pass', () => {12    assert.equal(hardCodedRandomType(), 'hardCodedRandomType');13  });14});15const {hardCodedRandomType} = require('fast-check-monorepo');16const {assert} = require('chai');17describe('test', () => {18  it('should pass', () => {19    assert.equal(hardCodedRandomType(), 'hardCodedRandomType');20  });21});22const {hardCodedRandomType} = require('fast-check-monorepo');23const {assert} = require('chai');24describe('test', () => {25  it('should pass', () => {26    assert.equal(hardCodedRandomType(), 'hardCodedRandomType');27  });28});29const {hardCodedRandomType} = require('fast-check-monorepo');30const {assert} = require('chai');31describe('test', () => {32  it('should pass', () => {33    assert.equal(hardCodedRandomType(), 'hardCodedRandomType');34  });35});36const {hardCodedRandomType} = require('fast-check-monorepo');37const {assert} = require('chai');38describe('test', () => {39  it('should pass', () => {40    assert.equal(hardCodedRandomType(), 'hardCodedRandomType');41  });42});

Using AI Code Generation

1const fc = require('fast-check');2fc.configureGlobal({3});4fc.assert(5  fc.property(6    fc.nat(),7    fc.nat(),8    fc.nat(),9    (a, b, c) => {10      return a + b === c;11    }12);

Using AI Code Generation

1import { hardCodedRandomType } from 'fast-check-monorepo'2const random = hardCodedRandomType({3})4import { hardCodedRandomType } from 'fast-check'5const random = hardCodedRandomType({6})7import { hardCodedRandomType } from 'fast-check'8const random = hardCodedRandomType({9})10import { hardCodedRandomType } from 'fast-check-monorepo'11const random = hardCodedRandomType({12})13import { hardCodedRandomType } from 'fast-check-monorepo'14const random = hardCodedRandomType({15})16import { hardCodedRandomType } from 'fast-check'17const random = hardCodedRandomType({

Using AI Code Generation

1const { hardCodedRandomType } = require('fast-check-monorepo');2const { Random } = require('random-seed');3const gen = hardCodedRandomType(Random);4console.log(gen.next().value);5console.log(gen.next().value);6console.log(gen.next().value);7console.log(gen.next().value);8console.log(gen.next().value);9import { Random } from 'random-seed';10export function* hardCodedRandomType(seed: number) {11  const random = new Random(seed);12  while (true) {13    yield random.floatBetween(0, 1);14  }15}

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.