How to use arbitraryBuilder method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

Poisoning.spec.ts

Source:Poisoning.spec.ts

...130    // Act131    let interceptedException: unknown = undefined;132    try {133      fc.assert(134        fc.property(arbitraryBuilder(), (_v) => testResult()),135        { seed }136      );137    } catch (err) {138      interceptedException = err;139    }140    // Assert141    restoreGlobals(); // Restore globals before running real checks142    expect(interceptedException).toBeDefined();143    expect(interceptedException).toBeInstanceOf(Error);144    expect((interceptedException as Error).message).toMatch(/Property failed after/);145  });146});147// Helpers148const capturedGlobalThis = globalThis;...

ArbitraryAssertions.ts

Source:ArbitraryAssertions.ts

...41        fc.infiniteStream(fc.nat({ max: 20 })),42        extra,43        (seed, biasFactor, shrinkPath, extraParameters) => {44          // Arrange45          const arb = arbitraryBuilder(extraParameters);46          // Act / Assert47          let g1: Value<T> | null = arb.generate(randomFromSeed(seed), biasFactor);48          let g2: Value<T> | null = arb.generate(randomFromSeed(seed), biasFactor);49          if (noInitialContext) {50            const originalG2 = g2!;51            g2 = new Value(originalG2.value_, undefined, () => originalG2.value);52          }53          while (g1 !== null && g2 !== null) {54            assertEquality(isEqual, g1.value, g2.value, extraParameters);55            const pos = shrinkPath.next().value;56            g1 = arb.shrink(g1.value_, g1.context).getNthOrLast(pos);57            g2 = arb.shrink(g2.value_, g2.context).getNthOrLast(pos);58          }59          expect(g1).toBe(null);60          expect(g2).toBe(null);61        }62      )63      .afterEach(poisoningAfterEach),64    assertParameters65  );66}67// Optional requirements68// > The following requirements are optional as they do not break the design of fast-check when they are not totally ensured69// > But some of them are really recommended to build valid arbitraries that can be used.70export function assertProduceCorrectValues<T, U = never>(71  arbitraryBuilder: (extraParameters: U) => Arbitrary<T>,72  isCorrect: (v: T, extraParameters: U, arb: Arbitrary<T>) => void | boolean,73  options: {74    extraParameters?: fc.Arbitrary<U>;75    assertParameters?: fc.Parameters<unknown>;76  } = {}77): void {78  const { extraParameters: extra = fc.constant(undefined as unknown as U) as fc.Arbitrary<U>, assertParameters } =79    options;80  fc.assert(81    fc82      .property(83        fc.integer().noShrink(),84        biasFactorArbitrary(),85        fc.infiniteStream(fc.nat({ max: 20 })),86        extra,87        (seed, biasFactor, shrinkPath, extraParameters) => {88          // Arrange89          const arb = arbitraryBuilder(extraParameters);90          // Act / Assert91          let g: Value<T> | null = arb.generate(randomFromSeed(seed), biasFactor);92          while (g !== null) {93            assertCorrectness(isCorrect, g.value, extraParameters, arb);94            const pos = shrinkPath.next().value;95            g = arb.shrink(g.value, g.context).getNthOrLast(pos);96          }97          expect(g).toBe(null);98        }99      )100      .afterEach(poisoningAfterEach),101    assertParameters102  );103}104export function assertGenerateEquivalentTo<T, U = never>(105  arbitraryBuilderA: (extraParameters: U) => Arbitrary<T>,106  arbitraryBuilderB: (extraParameters: U) => Arbitrary<T>,107  options: {108    isEqual?: (v1: T, v2: T, extraParameters: U) => void | boolean;109    isEqualContext?: (c1: unknown, c2: unknown, extraParameters: U) => void | boolean;110    extraParameters?: fc.Arbitrary<U>;111    assertParameters?: fc.Parameters<unknown>;112  } = {}113): void {114  const {115    isEqual,116    isEqualContext,117    extraParameters: extra = fc.constant(undefined as unknown as U) as fc.Arbitrary<U>,118    assertParameters,119  } = options;120  fc.assert(121    fc122      .property(fc.integer().noShrink(), biasFactorArbitrary(), extra, (seed, biasFactor, extraParameters) => {123        // Arrange124        const arbA = arbitraryBuilderA(extraParameters);125        const arbB = arbitraryBuilderB(extraParameters);126        // Act127        const gA = arbA.generate(randomFromSeed(seed), biasFactor);128        const gB = arbB.generate(randomFromSeed(seed), biasFactor);129        // Assert130        assertEquality(isEqual, gA.value, gB.value, extraParameters);131        if (isEqualContext) {132          assertEquality(isEqualContext, gA.context, gB.context, extraParameters);133        }134      })135      .afterEach(poisoningAfterEach),136    assertParameters137  );138}139// Extra requirements140// The assertions above can be configured to push generators even further. They ensure more complex invariants.141// Following assertions are mostly derived from the one above.142// > assertShrinkProducesSameValueGivenSameSeed with option {noInitialContext:true}143// > assertGenerateProducesCorrectValues with option isCorrect: (v, _, arb) => arb.canShrinkWithoutContext(v)144// > assertShrinkProducesCorrectValues with option (v, _, arb) => arb.canShrinkWithoutContext(v)145export function assertShrinkProducesSameValueWithoutInitialContext<T, U = never>(146  arbitraryBuilder: (extraParameters: U) => Arbitrary<T>,147  options: {148    isEqual?: (v1: T, v2: T, extraParameters: U) => void | boolean;149    extraParameters?: fc.Arbitrary<U>;150    assertParameters?: fc.Parameters<unknown>;151  } = {}152): void {153  return assertProduceSameValueGivenSameSeed(arbitraryBuilder, { ...options, noInitialContext: true });154}155export function assertProduceValuesShrinkableWithoutContext<T, U = never>(156  arbitraryBuilder: (extraParameters: U) => Arbitrary<T>,157  options: {158    extraParameters?: fc.Arbitrary<U>;159    assertParameters?: fc.Parameters<unknown>;160  } = {}161): void {162  return assertProduceCorrectValues(arbitraryBuilder, (v, _, arb) => arb.canShrinkWithoutContext(v), options);163}164export function assertShrinkProducesStrictlySmallerValue<T, U = never>(165  arbitraryBuilder: (extraParameters: U) => Arbitrary<T>,166  isStrictlySmaller: (vNew: T, vOld: T, extraParameters: U) => void | boolean,167  options: {168    extraParameters?: fc.Arbitrary<U>;169    assertParameters?: fc.Parameters<unknown>;170  } = {}171): void {172  const previousValue: { value?: T } = {};173  function arbitraryBuilderInternal(...args: Parameters<typeof arbitraryBuilder>) {174    delete previousValue.value;175    return arbitraryBuilder(...args);176  }177  function isStrictlySmallerInternal(v: T, extraParameters: U) {178    try {179      if (!('value' in previousValue)) {180        return true;181      }182      const vNew = v;183      const vOld = previousValue.value!;184      try {185        const out = isStrictlySmaller(vNew, vOld, extraParameters);186        expect(out).not.toBe(false);187      } catch (err) {188        throw new Error(189          `Expect: ${fc.stringify(vNew)} to be strictly smaller than ${fc.stringify(vOld)}\n\nGot error: ${err}`190        );191      }192    } finally {193      previousValue.value = v;194    }195  }196  return assertProduceCorrectValues(arbitraryBuilderInternal, isStrictlySmallerInternal, options);197}198export function assertProduceSomeSpecificValues<T, U = never>(199  arbitraryBuilder: (extraParameters: U) => Arbitrary<T>,200  isSpecificValue: (value: T) => boolean,201  options: {202    extraParameters?: fc.Arbitrary<U>;203    assertParameters?: fc.Parameters<unknown>;204  } = {}205): void {206  let foundOne = false;207  function detectSpecificValue(value: T): boolean {208    if (isSpecificValue(value)) {209      foundOne = true;210      return false; // failure of the property211    }212    return true; // success of the property213  }214  try {215    assertProduceCorrectValues(arbitraryBuilder, detectSpecificValue, {216      ...options,217      // We default numRuns to 1000, but let user override it whenever needed218      assertParameters: { numRuns: 1000, ...options.assertParameters, endOnFailure: true },219    });220  } catch (err) {221    // no-op222  }223  expect(foundOne).toBe(true);224}225export function assertGenerateIndependentOfSize<T, U = never>(226  arbitraryBuilder: (extraParameters: U) => Arbitrary<T>,227  options: {228    isEqual?: (v1: T, v2: T, extraParameters: U) => void | boolean;229    isEqualContext?: (c1: unknown, c2: unknown, extraParameters: U) => void | boolean;230    extraParameters?: fc.Arbitrary<U>;231    assertParameters?: fc.Parameters<unknown>;232  } = {}233): void {234  const {235    extraParameters = fc.constant(undefined as unknown as U) as fc.Arbitrary<U>,236    isEqual,237    isEqualContext,238    assertParameters,239  } = options;240  assertGenerateEquivalentTo(241    (extra) => arbitraryBuilder(extra.requested),242    (extra) => withConfiguredGlobal(extra.global, () => arbitraryBuilder(extra.requested)),243    {244      extraParameters: fc.record({245        requested: extraParameters,246        global: fc.record({ defaultSizeToMaxWhenMaxSpecified: fc.boolean(), baseSize: sizeArb }, { requiredKeys: [] }),247      }),248      isEqual: isEqual !== undefined ? (a, b, extra) => isEqual(a, b, extra.requested) : undefined,249      isEqualContext: isEqualContext !== undefined ? (a, b, extra) => isEqualContext(a, b, extra.requested) : undefined,250      assertParameters,251    }252  );253}254// Various helpers255function randomFromSeed(seed: number): Random {256  return new Random(prand.xorshift128plus(seed));...

TypedIntArrayArbitraryBuilder.spec.ts

Source:TypedIntArrayArbitraryBuilder.spec.ts

1import * as fc from 'fast-check';2import { typedIntArrayArbitraryArbitraryBuilder } from '../../../../../src/arbitrary/_internals/builders/TypedIntArrayArbitraryBuilder';3import { FakeIntegerArbitrary, fakeArbitrary, fakeArbitraryStaticValue } from '../../__test-helpers__/ArbitraryHelpers';4import * as ArrayMock from '../../../../../src/arbitrary/array';5import {6  assertProduceCorrectValues,7  assertProduceSameValueGivenSameSeed,8  assertProduceValuesShrinkableWithoutContext,9  assertShrinkProducesSameValueWithoutInitialContext,10} from '../../__test-helpers__/ArbitraryAssertions';11function beforeEachHook() {12  jest.resetModules();13  jest.restoreAllMocks();14  fc.configureGlobal({ beforeEach: beforeEachHook });15}16beforeEach(beforeEachHook);17describe('typedIntArrayArbitraryArbitraryBuilder', () => {18  it('should default constraints for arbitraryBuilder to defaultMin/Max when not specified', () => {19    fc.assert(20      fc.property(21        defaultsMinMaxTypedInt8Arb(),22        validArrayConstraintsArb(),23        ({ defaultMin, defaultMax, TypedArrayClass }, arrayConstraints) => {24          // Arrange25          const array = jest.spyOn(ArrayMock, 'array');26          const { instance: arrayInstance } = fakeArbitraryStaticValue<unknown[]>(() => []);27          array.mockReturnValue(arrayInstance);28          const constraints = { ...arrayConstraints };29          const arbitraryBuilder = jest.fn();30          const { instance: arbitraryInstance } = fakeArbitrary<number>();31          arbitraryBuilder.mockReturnValue(arbitraryInstance);32          // Act33          typedIntArrayArbitraryArbitraryBuilder(34            constraints,35            defaultMin,36            defaultMax,37            TypedArrayClass,38            arbitraryBuilder39          );40          // Assert41          expect(arbitraryBuilder).toHaveBeenLastCalledWith({ min: defaultMin, max: defaultMax });42        }43      )44    );45  });46  it('should properly distribute constraints accross arbitraries when receiving valid ones', () => {47    fc.assert(48      fc.property(49        validArrayConstraintsArb(),50        validIntegerConstraintsArb(-128, 127),51        (arrayConstraints, integerConstraints) => {52          // Arrange53          const array = jest.spyOn(ArrayMock, 'array');54          const { instance: arrayInstance } = fakeArbitraryStaticValue<unknown[]>(() => []);55          array.mockReturnValue(arrayInstance);56          const constraints = { ...arrayConstraints, ...integerConstraints };57          const defaultMin = -128;58          const defaultMax = 127;59          const TypedArrayClass = Int8Array;60          const arbitraryBuilder = jest.fn();61          const { instance: arbitraryInstance } = fakeArbitrary<number>();62          arbitraryBuilder.mockReturnValue(arbitraryInstance);63          // Act64          typedIntArrayArbitraryArbitraryBuilder(65            constraints,66            defaultMin,67            defaultMax,68            TypedArrayClass,69            arbitraryBuilder70          );71          // Assert72          expect(arbitraryBuilder).toHaveBeenLastCalledWith({73            min: defaultMin,74            max: defaultMax,75            ...integerConstraints,76          });77        }78      )79    );80  });81  it('should reject invalid integer ranges', () => {82    fc.assert(83      fc.property(84        validArrayConstraintsArb(),85        invalidIntegerConstraintsArb(-128, 127),86        (arrayConstraints, integerConstraints) => {87          // Arrange88          const array = jest.spyOn(ArrayMock, 'array');89          const { instance: arrayInstance } = fakeArbitraryStaticValue<unknown[]>(() => []);90          array.mockReturnValue(arrayInstance);91          const constraints = { ...arrayConstraints, ...integerConstraints };92          const defaultMin = -128;93          const defaultMax = 127;94          const TypedArrayClass = Int8Array;95          const arbitraryBuilder = jest.fn();96          const { instance: arbitraryInstance } = fakeArbitrary<number>();97          arbitraryBuilder.mockReturnValue(arbitraryInstance);98          // Act / Assert99          expect(() =>100            typedIntArrayArbitraryArbitraryBuilder(101              constraints,102              defaultMin,103              defaultMax,104              TypedArrayClass,105              arbitraryBuilder106            )107          ).toThrowError();108        }109      )110    );111  });112});113describe('typedIntArrayArbitraryArbitraryBuilder (integration)', () => {114  type Extra = { minLength?: number; maxLength?: number; min?: number; max?: number };115  const extraParameters: fc.Arbitrary<Extra> = fc116    .record(117      {118        minLength: fc.nat({ max: 5 }),119        maxLength: fc.nat({ max: 25 }),120        min: fc.integer({ min: -128, max: 127 }),121        max: fc.integer({ min: -128, max: 127 }),122      },123      { requiredKeys: [] }124    )125    .map((rawConstraints) => {126      const constraints = { ...rawConstraints };127      if ('minLength' in constraints && 'maxLength' in constraints && constraints.minLength! > constraints.maxLength!) {128        [constraints.minLength, constraints.maxLength] = [constraints.maxLength, constraints.minLength];129      }130      if ('min' in constraints && 'max' in constraints && constraints.min! > constraints.max!) {131        [constraints.min, constraints.max] = [constraints.max, constraints.min];132      }133      return constraints;134    });135  const isCorrect = (value: Int8Array, extra: Extra) => {136    expect(value).toBeInstanceOf(Int8Array);137    if ('minLength' in extra) {138      expect(value.length).toBeGreaterThanOrEqual(extra.minLength!);139    }140    if ('maxLength' in extra) {141      expect(value.length).toBeLessThanOrEqual(extra.maxLength!);142    }143  };144  const typedIntArrayArbitraryArbitraryBuilderBuilder = (extra: Extra) =>145    typedIntArrayArbitraryArbitraryBuilder(146      extra,147      -128,148      127,149      Int8Array,150      ({ min = 0, max = min }) => new FakeIntegerArbitrary(min, max - min)151    );152  it('should produce the same values given the same seed', () => {153    assertProduceSameValueGivenSameSeed(typedIntArrayArbitraryArbitraryBuilderBuilder, { extraParameters });154  });155  it('should only produce correct values', () => {156    assertProduceCorrectValues(typedIntArrayArbitraryArbitraryBuilderBuilder, isCorrect, { extraParameters });157  });158  it('should produce values seen as shrinkable without any context', () => {159    assertProduceValuesShrinkableWithoutContext(typedIntArrayArbitraryArbitraryBuilderBuilder, { extraParameters });160  });161  it('should be able to shrink to the same values without initial context', () => {162    assertShrinkProducesSameValueWithoutInitialContext(typedIntArrayArbitraryArbitraryBuilderBuilder, {163      extraParameters,164    });165  });166});167// Helpers168function defaultsMinMaxTypedInt8Arb() {169  return fc170    .tuple(fc.integer({ min: -128, max: 127 }), fc.integer({ min: -128, max: 127 }))171    .map(([defaultA, defaultB]) => ({172      defaultMin: Math.min(defaultA, defaultB),173      defaultMax: Math.min(defaultA, defaultB),174      TypedArrayClass: Int8Array,175    }));176}177function validArrayConstraintsArb() {178  return fc.record({ minLength: fc.nat(), maxLength: fc.nat() }, { withDeletedKeys: true }).map((ct) => {179    if (ct.minLength !== undefined && ct.maxLength !== undefined && ct.minLength > ct.maxLength) {180      return { minLength: ct.maxLength, maxLength: ct.minLength };181    }182    return ct;183  });184}185function validIntegerConstraintsArb(min: number, max: number) {186  return fc187    .record({ min: fc.integer({ min, max }), max: fc.integer({ min, max }) }, { withDeletedKeys: true })188    .map((ct) => {189      if (ct.min !== undefined && ct.max !== undefined && ct.min > ct.max) {190        return { min: ct.max, max: ct.min };191      }192      return ct;193    });194}195function invalidIntegerConstraintsArb(min: number, max: number) {196  return fc.oneof(197    // min > max198    fc199      .record({ min: fc.integer({ min, max }), max: fc.integer({ min, max }) })200      .filter(({ min, max }) => min !== max)201      .map((ct) => (ct.min < ct.max ? { min: ct.max, max: ct.min } : ct)),202    // min < lowest203    fc.record({ min: fc.integer({ min: Number.MIN_SAFE_INTEGER, max: min - 1 }) }),204    fc.record({ min: fc.integer({ min: Number.MIN_SAFE_INTEGER, max: min - 1 }), max: fc.integer({ min, max }) }),205    // max > highest206    fc.record({ min: fc.integer({ min, max }), max: fc.integer({ min: max + 1, max: Number.MAX_SAFE_INTEGER }) }),207    fc.record({ max: fc.integer({ min: max + 1, max: Number.MAX_SAFE_INTEGER }) })208  );...

Using AI Code Generation

1import { arbitraryBuilder } from 'fast-check-monorepo';2import { arbitraryBuilder } from 'fast-check';3import { arbitraryBuilder } from 'fast-check/lib/esm/check/arbitrary/definition/ArbitraryBuilder.js';4import { arbitraryBuilder } from 'fast-check/lib/esm/check/arbitrary/definition/ArbitraryBuilder.js';5import { arbitraryBuilder } from 'fast-check/lib/esm/check/arbitrary/definition/ArbitraryBuilder.js';6import { arbitraryBuilder } from 'fast-check/lib/esm/check/arbitrary/definition/ArbitraryBuilder.js';7import { arbitraryBuilder } from 'fast-check/lib/esm/check/arbitrary/definition/ArbitraryBuilder.js';8import { arbitraryBuilder } from 'fast-check/lib/esm/check/arbitrary/definition/ArbitraryBuilder.js';9import { arbitraryBuilder } from 'fast-check/lib/esm/check/arbitrary/definition/ArbitraryBuilder.js';10import { arbitraryBuilder } from 'fast-check/lib/esm/check/arbitrary/definition/ArbitraryBuilder.js';11import { arbitraryBuilder } from 'fast-check/lib/esm/check/arbitrary/definition/ArbitraryBuilder.js';12import { arbitraryBuilder } from 'fast-check/lib/esm/check/arbitrary/definition/ArbitraryBuilder.js';13import { arbitraryBuilder } from 'fast-check/lib/esm/check/arbitrary/definition/ArbitraryBuilder.js';14import { arbitraryBuilder } from 'fast-check/lib/esm/check/arbitrary/definition/ArbitraryBuilder.js';15import { arbitraryBuilder } from 'fast-check/lib/esm/check/arbitrary/definition/ArbitraryBuilder.js';16import { arbitraryBuilder } from 'fast-check/lib/es

Using AI Code Generation

1const { arbitraryBuilder } = require('fast-check-monorepo');2const { arbitraryBuilder } = require('fast-check');3arbitraryBuilder()4  .integer()5  .between(0, 10)6  .map((v) => v * 2)7  .filter((v) => v % 3 === 0)

Using AI Code Generation

1const { arbitraryBuilder } = require('fast-check');2const { arbitraryBuilder: arbitraryBuilder2 } = require('fast-check-monorepo');3const { arbitraryBuilder: arbitraryBuilder3 } = require('fast-check');4const { arbitraryBuilder: arbitraryBuilder4 } = require('fast-check-monorepo');5const { arbitraryBuilder: arbitraryBuilder5 } = require('fast-check');6const { arbitraryBuilder: arbitraryBuilder6 } = require('fast-check-monorepo');7const { arbitraryBuilder: arbitraryBuilder7 } = require('fast-check');8const { arbitraryBuilder: arbitraryBuilder8 } = require('fast-check-monorepo');9const { arbitraryBuilder: arbitraryBuilder9 } = require('fast-check');10const { arbitraryBuilder: arbitraryBuilder10 } = require('fast-check-monorepo');11const { arbitraryBuilder: arbitraryBuilder11 } = require('fast-check');12const { arbitraryBuilder: arbitraryBuilder12 } = require('fast-check-monorepo');13const { arbitraryBuilder: arbitraryBuilder13 } = require('fast-check');14const { arbitraryBuilder: arbitraryBuilder14 } = require('fast-check-monorepo');15const { arbitraryBuilder: arbitraryBuilder15 } = require('fast-check');16const { arbitraryBuilder: arbitraryBuilder16 } = require('fast-check-monorepo');17const { arbitraryBuilder: arbitraryBuilder17 } = require('fast-check');18const { arbitraryBuilder: arbitraryBuilder18 } = require('fast-check-monorepo');

Using AI Code Generation

1const { arbitraryBuilder } = require('fast-check-monorepo');2const { string } = require('fast-check');3const { myCustomArbitrary } = require('./myCustomArbitrary');4const { myCustomArbitrary2 } = require('./myCustomArbitrary2');5const arbitrary = arbitraryBuilder()6  .addArbitrary(string())7  .addArbitrary(myCustomArbitrary())8  .addArbitrary(myCustomArbitrary2())9  .build();10arbitrary.generate();11const { Arbitrary } = require('fast-check');12const { myCustomArbitrary } = require('./myCustomArbitrary');13const myCustomArbitrary = () =>14  new Arbitrary(() => {15    return 'value';16  });17module.exports = { myCustomArbitrary };18const { Arbitrary } = require('fast-check');19const { myCustomArbitrary2 } = require('./myCustomArbitrary2');20const myCustomArbitrary2 = () =>21  new Arbitrary(() => {22    return 'value';23  });24module.exports = { myCustomArbitrary2 };25const { arbitraryBuilder } = require('fast-check-monorepo');26const { string } = require('fast-check');27const { myCustomArbitrary } = require('./myCustomArbitrary');28const arbitrary = arbitraryBuilder()29  .addArbitrary(string())30  .addArbitrary(myCustomArbitrary())31  .build();32arbitrary.generate();33const { Arbitrary } = require('fast-check');34const { myCustomArbitrary } = require('./myCustomArbitrary');35const myCustomArbitrary = () =>36  new Arbitrary(() => {37    return 'value';38  });39module.exports = { myCustomArbitrary };40const { arbitraryBuilder } = require('fast-check-monorepo');41const { string } = require('fast-check');42const { myCustomArbitrary } = require

Using AI Code Generation

1const { arbitraryBuilder } = require('fast-check-monorepo');2const { array } = require('fast-check');3const myArbitrary = arbitraryBuilder(array(string()));4const { arbitraryBuilder } = require('fast-check');5const { array } = require('fast-check');6const myArbitrary = arbitraryBuilder(array(string()));7const { arbitraryBuilder } = require('fast-check');8const { array } = require('fast-check');9const myArbitrary = arbitraryBuilder(array(string()));10const { arbitraryBuilder } = require('fast-check');11const { array } = require('fast-check');12const myArbitrary = arbitraryBuilder(array(string()));13const { arbitraryBuilder } = require('fast-check');14const { array } = require('fast-check');15const myArbitrary = arbitraryBuilder(array(string()));16const { arbitraryBuilder } = require('fast-check');17const { array } = require('fast-check');18const myArbitrary = arbitraryBuilder(array(string()));19const { arbitraryBuilder } = require('fast-check');20const { array } = require('fast-check');21const myArbitrary = arbitraryBuilder(array(string()));22const { arbitraryBuilder } = require('fast-check');23const { array } = require('fast-check');24const myArbitrary = arbitraryBuilder(array(string()));25const { arbitraryBuilder } = require('fast-check');26const { array } = require('fast-check');27const myArbitrary = arbitraryBuilder(array(string()));28const { arbitraryBuilder } = require('fast-check');29const { array } = require('fast-check');30const myArbitrary = arbitraryBuilder(array(string()));31const { arbitraryBuilder } = require('fast-check');32const { array } = require('fast-check');33const myArbitrary = arbitraryBuilder(array(string()));34const { arbitraryBuilder } = require('fast-check');35const { array } = require('fast-check');36const myArbitrary = arbitraryBuilder(array(string()));

Using AI Code Generation

1import { arbitraryBuilder } from '@dubzzz/fast-check';2const arb = arbitraryBuilder();3arb.string();4arb.number();5arb.boolean();6import { arbitraryBuilder } from '@dubzzz/fast-check';7const arb = arbitraryBuilder();8arb.string();9arb.number();10arb.boolean();11import { arbitraryBuilder } from 'fast-check';12const arb = arbitraryBuilder();13arb.string();14arb.number();15arb.boolean();

Using AI Code Generation

1const arbitraryBuilder = require('fast-check-monorepo').arbitraryBuilder;2const builder = arbitraryBuilder();3  .integer()4  .map(x => x * 2)5  .filter(x => x % 3 === 0)6  .build();7const runner = arbitrary.run();8  .then(result => {9    console.log(result);10  })11  .catch(err => {12    console.log(err);13  });

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