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How to use validArrayConstraintsArb method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

TypedIntArrayArbitraryBuilder.spec.ts

Source:TypedIntArrayArbitraryBuilder.spec.ts

...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      }...

Using AI Code Generation

1import * as fc from "fast-check";2import { validArrayConstraintsArb } from "fast-check-monorepo";3const constraintsArb = validArrayConstraintsArb();4fc.assert(5  fc.property(constraintsArb, (constraints) => {6  })7);8import * as fc from "fast-check";9import { validArrayConstraintsArb } from "fast-check-monorepo";10const constraintsArb = validArrayConstraintsArb();11fc.assert(12  fc.property(constraintsArb, (constraints) => {13  })14);15import * as fc from "fast-check";16import { validArrayConstraintsArb } from "fast-check-monorepo";17const constraintsArb = validArrayConstraintsArb();18fc.assert(19  fc.property(constraintsArb, (constraints) => {20  })21);22import * as fc from "fast-check";23import { validArrayConstraintsArb } from "fast-check-monorepo";24const constraintsArb = validArrayConstraintsArb();25fc.assert(26  fc.property(constraintsArb, (constraints) => {27  })28);29import * as fc from "fast-check";30import { validArrayConstraintsArb } from "fast-check-monorepo";31const constraintsArb = validArrayConstraintsArb();32fc.assert(33  fc.property(constraintsArb, (constraints) => {34  })35);36import * as fc from "fast-check";37import { validArrayConstraintsArb } from "fast-check-monorepo";38const constraintsArb = validArrayConstraintsArb();39fc.assert(40  fc.property(constraintsArb, (constraints) => {41  })42);

Using AI Code Generation

1const fc = require('fast-check');2const validArrayConstraintsArb = require('fast-check-monorepo').validArrayConstraintsArb;3const constraints = validArrayConstraintsArb().generate(fc.random(42)).value;4console.log(constraints);5const fastCheck = require('fast-check');6const validArrayConstraintsArb = require('fast-check/lib/arbitrary/arrayConstraintsArbitrary').validArrayConstraintsArb;7const constraints = validArrayConstraintsArb().generate(fastCheck.random(42)).value;8console.log(constraints);9{ minLength: 0, maxLength: 2147483647, maxDepth: 2147483647 }10{ minLength: 0, maxLength: 2147483647, maxDepth: 2147483647 }11at validArrayConstraintsArb (node_modules/fast-check-monorepo/lib/arbitrary/arrayConstraintsArbitrary.js:15:9)12at Object.<anonymous> (test.js:6:24)13at Module._compile (internal/modules/cjs/loader.js:1137:30)14at Object.Module._extensions..js (internal/modules/cjs/loader.js:1157:10)15at Module.load (internal/modules/cjs/loader.js:985:32)16at Function.Module._load (internal/modules/cjs/loader.js:878:14)17at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:71:12)18const fc = require('fast-check');19const validArrayConstraintsArb = require('fast-check-monorepo').validArrayConstraintsArb;20const constraints = validArrayConstraintsArb().generate(fc.random(42)).value;21console.log(constraints);22{23  "dependencies": {

Using AI Code Generation

1const { validArrayConstraintsArb } = require('fast-check');2const { isValidArrayConstraints } = require('fast-check/lib/check/arbitrary/ArrayArbitrary.js');3describe('validArrayConstraintsArb', () => {4  it('should return valid array constraints', () => {5    fc.assert(6      fc.property(validArrayConstraintsArb(), (constraints) => {7        expect(isValidArrayConstraints(constraints)).toBe(true);8      })9    );10  });11});

Using AI Code Generation

1const fc = require("fast-check");2const { validArrayConstraintsArb } = require("fast-check/lib/check/arbitrary/ArrayArbitrary.js");3const arrayArb = validArrayConstraintsArb(fc.string(), 1, 5);4const shrinkable = arrayArb.generate(fc.random());5console.log(shrinkable.value);6console.log(shrinkable.shrink().map((shrinkable) => shrinkable.value));7{8  "scripts": {9  },10  "dependencies": {11  }12}13In your project, you can import the source code of fast-check-monorepo using14import { validArrayConstraintsArb } from "fast-check-monorepo/lib/check/arbitrary/ArrayArbitrary.js";15const { validArrayConstraintsArb } = require("fast-check-monorepo/lib/check/arbitrary/ArrayArbitrary.js");16In your project, you can import the source code of fast-check-monorepo using17import { validArrayConstraintsArb } from "fast-check-monorepo/lib/check/arbitrary/ArrayArbitrary.js";18const { validArrayConstraintsArb } = require("fast-check-monorepo/lib/check/arbitrary/ArrayArbitrary.js");

Using AI Code Generation

1import { validArrayConstraintsArb } from 'fast-check-monorepo';2import * as fc from 'fast-check';3import { validArrayConstraints } from 'fast-check/lib/types/array/ArrayArbitrary';4const validArrayConstraintsArb = validArrayConstraintsArb(fc.integer(), 5, 10);5const validArrayConstraintsArb = validArrayConstraints(fc.integer(), 5, 10);6const validArrayConstraintsArb = validArrayConstraintsArb(fc.integer(), 5, 10);7const validArrayConstraintsArb = validArrayConstraintsArb(fc.integer(), 5, 10, 10);8const validArrayConstraintsArb = validArrayConstraintsArb(fc.integer(), 5, 10, 10, 10);9const validArrayConstraintsArb = validArrayConstraintsArb(fc.integer(), 5, 10, 10, 10, 10);10const validArrayConstraintsArb = validArrayConstraintsArb(fc.integer(), 5, 10, 10, 10, 10, 10);11const validArrayConstraintsArb = validArrayConstraintsArb(fc.integer(), 5, 10, 10, 10, 10, 10, 10);12const validArrayConstraintsArb = validArrayConstraintsArb(fc.integer(), 5, 10, 10, 10, 10, 10, 10, 10);13const validArrayConstraintsArb = validArrayConstraintsArb(fc.integer(), 5, 10, 10, 10, 10, 10, 10, 10, 10);14const validArrayConstraintsArb = validArrayConstraintsArb(fc.integer(), 5, 10, 10, 10, 10, 10, 10, 10, 10, 10);15const validArrayConstraintsArb = validArrayConstraintsArb(fc.integer(), 5, 10, 10, 10, 10,

Using AI Code Generation

1const { validArrayConstraintsArb } = require('fast-check');2const fc = require('fast-check');3const { validArrayConstraints } = require('fast-check/lib/arbitrary/ValidArrayConstraintsArbitrary.js');4const { array } = require('fast-check');5const { string } = require('fast-check');6const validArrayConstraintsArb = fc.array(fc.string(), validArrayConstraints());7const stringArray = fc.array(fc.string());8fc.assert(9    fc.property(stringArray, (arr) => {10        console.log(arr);11        return true;12    })13);14fc.assert(15    fc.property(validArrayConstraintsArb, (arr) => {16        console.log(arr);17        return true;18    })19);

Using AI Code Generation

1const fc = require('fast-check');2const { validArrayConstraintsArb } = require('fast-check-monorepo');3const validArrayConstraints = validArrayConstraintsArb().generate();4console.log(validArrayConstraints);5const fc = require('fast-check');6const { validArraySchemaArb } = require('fast-check-monorepo');7const validArraySchema = validArraySchemaArb().generate();8console.log(validArraySchema);9const fc = require('fast-check');10const { validObjectConstraintsArb } = require('fast-check-monorepo');11const validObjectConstraints = validObjectConstraintsArb().generate();12console.log(validObjectConstraints);

Using AI Code Generation

1const fc = require('fast-check');2const { validArrayConstraintsArb } = require('fast-check-monorepo');3const constraints = {4};5test('test', () => {6  fc.assert(7    fc.property(validArrayConstraintsArb(fc.string(), constraints), arr => {8      expect(arr.length).toBe(5);9      expect(new Set(arr).size).toBe(5);10    }),11  );12});

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