How to use arbEmpty method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

bigInt.spec.ts

Source:bigInt.spec.ts

1import * as fc from 'fast-check';2import { bigInt } from '../../../src/arbitrary/bigInt';3import { fakeArbitrary } from './__test-helpers__/ArbitraryHelpers';4import * as BigIntArbitraryMock from '../../../src/arbitrary/_internals/BigIntArbitrary';5function fakeBigIntArbitrary() {6  const instance = fakeArbitrary<bigint>().instance as BigIntArbitraryMock.BigIntArbitrary;7  return instance;8}9function beforeEachHook() {10  jest.resetModules();11  jest.restoreAllMocks();12  fc.configureGlobal({ beforeEach: beforeEachHook });13}14beforeEach(beforeEachHook);15describe('bigInt', () => {16  if (typeof BigInt === 'undefined') {17    it('no test', () => {18      expect(true).toBe(true);19    });20    return;21  }22  it('should instantiate the same BigIntArbitrary as empty constraints for no arguments', () => {23    // Arrange24    const instance = fakeBigIntArbitrary();25    const BigIntArbitrary = jest.spyOn(BigIntArbitraryMock, 'BigIntArbitrary');26    BigIntArbitrary.mockImplementation(() => instance);27    // Act28    const arb = bigInt();29    const arbEmpty = bigInt({});30    // Assert31    expect(BigIntArbitrary).toHaveBeenCalledTimes(2);32    expect(BigIntArbitrary.mock.calls[1]).toEqual(BigIntArbitrary.mock.calls[0]); // same arguments33    const argumentsForCall = BigIntArbitrary.mock.calls[0];34    expect(argumentsForCall[0]).toBeLessThan(argumentsForCall[1]); // range should not be restricted to one value35    expect(arb).toBe(instance);36    expect(arbEmpty).toBe(instance);37  });38  it('should instantiate BigIntArbitrary with passed constraints and default missing ones', () =>39    fc.assert(40      fc.property(fc.bigInt(), fc.bigInt(), fc.boolean(), fc.boolean(), (a, b, withMin, withMax) => {41        // Arrange42        const [min, max] = a < b ? [a, b] : [b, a];43        const instance = fakeBigIntArbitrary();44        const BigIntArbitrary = jest.spyOn(BigIntArbitraryMock, 'BigIntArbitrary');45        BigIntArbitrary.mockImplementation(() => instance);46        // Act47        const arb = bigInt({ min: withMin ? min : undefined, max: withMax ? max : undefined });48        // Assert49        expect(BigIntArbitrary).toHaveBeenCalledWith(50          withMin ? min : expect.any(BigInt),51          withMax ? max : expect.any(BigInt)52        );53        const argumentsForCall = BigIntArbitrary.mock.calls[0];54        expect(argumentsForCall[0]).toBeLessThanOrEqual(argumentsForCall[1]);55        expect(arb).toBe(instance);56      })57    ));58  it('[legacy] should instantiate the same BigIntArbitrary as constraints-based for bigInt(min, max)', () =>59    fc.assert(60      fc.property(fc.bigInt(), fc.bigInt(), (a, b) => {61        // Arrange62        const [min, max] = a < b ? [a, b] : [b, a];63        const instance = fakeBigIntArbitrary();64        const BigIntArbitrary = jest.spyOn(BigIntArbitraryMock, 'BigIntArbitrary');65        BigIntArbitrary.mockImplementation(() => instance);66        // Act67        const arb = bigInt(min, max);68        const arbConstraints = bigInt({ min, max });69        // Assert70        expect(BigIntArbitrary).toHaveBeenCalledTimes(2);71        expect(BigIntArbitrary.mock.calls[1]).toEqual(BigIntArbitrary.mock.calls[0]); // same arguments72        expect(arb).toBe(instance);73        expect(arbConstraints).toBe(instance);74      })75    ));76  it('should throw when minimum value is greater than maximum one', () =>77    fc.assert(78      fc.property(fc.bigInt(), fc.bigInt(), (a, b) => {79        // Arrange80        fc.pre(a !== b);81        const [low, high] = a < b ? [a, b] : [b, a];82        // Act / Assert83        expect(() => bigInt({ min: high, max: low })).toThrowError();84      })85    ));...

bigUint.spec.ts

Source:bigUint.spec.ts

1import * as fc from 'fast-check';2import { bigUint } from '../../../src/arbitrary/bigUint';3import { fakeArbitrary } from './__test-helpers__/ArbitraryHelpers';4import * as BigIntArbitraryMock from '../../../src/arbitrary/_internals/BigIntArbitrary';5function fakeBigIntArbitrary() {6  const instance = fakeArbitrary<bigint>().instance as BigIntArbitraryMock.BigIntArbitrary;7  return instance;8}9function beforeEachHook() {10  jest.resetModules();11  jest.restoreAllMocks();12  fc.configureGlobal({ beforeEach: beforeEachHook });13}14beforeEach(beforeEachHook);15describe('bigUint', () => {16  if (typeof BigInt === 'undefined') {17    it('no test', () => {18      expect(true).toBe(true);19    });20    return;21  }22  it('should instantiate the same BigIntArbitrary as empty constraints for no arguments', () => {23    // Arrange24    const instance = fakeBigIntArbitrary();25    const BigIntArbitrary = jest.spyOn(BigIntArbitraryMock, 'BigIntArbitrary');26    BigIntArbitrary.mockImplementation(() => instance);27    // Act28    const arb = bigUint();29    const arbEmpty = bigUint({});30    // Assert31    expect(BigIntArbitrary).toHaveBeenCalledTimes(2);32    expect(BigIntArbitrary.mock.calls[1]).toEqual(BigIntArbitrary.mock.calls[0]); // same arguments33    const argumentsForCall = BigIntArbitrary.mock.calls[0];34    expect(argumentsForCall[0]).toBeLessThan(argumentsForCall[1]); // range should not be restricted to one value35    expect(argumentsForCall[0]).toBe(BigInt(0));36    expect(arb).toBe(instance);37    expect(arbEmpty).toBe(instance);38  });39  it('should instantiate BigIntArbitrary(0, max) for bigUint({max})', () =>40    fc.assert(41      fc.property(fc.bigUint(), (max) => {42        // Arrange43        const instance = fakeBigIntArbitrary();44        const BigIntArbitrary = jest.spyOn(BigIntArbitraryMock, 'BigIntArbitrary');45        BigIntArbitrary.mockImplementation(() => instance);46        // Act47        const arb = bigUint({ max });48        // Assert49        expect(BigIntArbitrary).toHaveBeenCalledWith(BigInt(0), max);50        expect(arb).toBe(instance);51      })52    ));53  it('should instantiate BigIntArbitrary(0, max) for bigUint(max)', () =>54    fc.assert(55      fc.property(fc.bigUint(), (max) => {56        // Arrange57        const instance = fakeBigIntArbitrary();58        const BigIntArbitrary = jest.spyOn(BigIntArbitraryMock, 'BigIntArbitrary');59        BigIntArbitrary.mockImplementation(() => instance);60        // Act61        const arb = bigUint(max);62        // Assert63        expect(BigIntArbitrary).toHaveBeenCalledWith(BigInt(0), max);64        expect(arb).toBe(instance);65      })66    ));67  it('should throw when maximum value is lower than zero', () =>68    fc.assert(69      fc.property(fc.bigInt({ max: BigInt(-1) }), (max) => {70        // Arrange / Act / Assert71        expect(() => bigUint({ max })).toThrowError();72      })73    ));...

test-utils.ts

Source:test-utils.ts

1import { constant } from "@effect-ts/core/Function"2import * as fc from "fast-check"3export const arbEmpty: fc.Arbitrary<Doc<number>> = fc.constant(Doc.empty)4export const arbChar: fc.Arbitrary<Doc<number>> = fc.char().map(Doc.char)5export const arbText: fc.Arbitrary<Doc<number>> = fc.string().map(Doc.text)6export const arbLine: fc.Arbitrary<Doc<number>> = fc.constant(Doc.hardLine)7export const arbFlatAlt: fc.Arbitrary<Doc<number>> = fc8  .tuple(fc.oneof(arbChar, arbText), fc.oneof(arbChar, arbText))9  .map(([d1, d2]) => Doc.flatAlt(d1, d2))10export const arbCat: fc.Arbitrary<Doc<number>> = fc11  .tuple(fc.oneof(arbChar, arbText), fc.oneof(arbChar, arbText))12  .map(([d1, d2]) => Doc.cat(d1, d2))13export const arbNest: fc.Arbitrary<Doc<number>> = fc14  .tuple(fc.oneof(arbChar, arbText), fc.integer())15  .map(([d, i]) => Doc.nest(d, i))16export const arbUnion: fc.Arbitrary<Doc<number>> = fc17  .tuple(fc.oneof(arbChar, arbText), fc.oneof(arbChar, arbText))18  .map(([d1, d2]) => Doc.union(d1, d2))19export const arbColumn: fc.Arbitrary<Doc<number>> = fc20  .oneof(arbChar, arbText)21  .map((d) => Doc.column(constant(d)))22export const arbWithPageWidth: fc.Arbitrary<Doc<number>> = fc23  .oneof(arbChar, arbText)24  .map((d) => Doc.withPageWidth(constant(d)))25export const arbNesting: fc.Arbitrary<Doc<number>> = fc26  .oneof(arbChar, arbText)27  .map((d) => Doc.nesting(constant(d)))28export const arbAnnotated: fc.Arbitrary<Doc<number>> = fc29  .tuple(fc.oneof(arbChar, arbText), fc.integer())30  .map(([d, n]) => d.annotate(n))31export const arbDoc: fc.Arbitrary<Doc<number>> = fc.oneof(32  arbEmpty,33  arbChar,34  arbText,35  arbLine,36  arbFlatAlt,37  arbCat,38  arbNest,39  arbUnion,40  arbColumn,41  arbWithPageWidth,42  arbNesting,43  arbAnnotated...

Using AI Code Generation

1import arbEmpty from 'fast-check-monorepo';2import arbEmpty from 'fast-check';3import { arbEmpty } from 'fast-check-monorepo';4import { arbEmpty } from 'fast-check';5import { arbEmpty } from 'fast-check-monorepo/lib/empty';6import { arbEmpty } from 'fast-check/lib/empty';7import { arbEmpty } from 'fast-check-monorepo/dist/lib/empty';8import { arbEmpty } from 'fast-check/dist/lib/empty';9import { arbEmpty } from 'fast-check-monorepo/dist/lib/empty.js';10import { arbEmpty } from 'fast-check/dist/lib/empty.js';11import { arbEmpty } from 'fast-check-monorepo/dist/lib/empty.min.js';12import { arbEmpty } from 'fast-check/dist/lib/empty.min.js';13import { arbEmpty } from 'fast-check-monorepo/dist/lib/empty.min.mjs';14import { arbEmpty } from 'fast-check/dist/lib/empty.min.mjs';15import { arbEmpty } from 'fast-check-monorepo/dist/lib/empty.mjs';16import { arbEmpty } from 'fast-check/dist/lib/empty.mjs';17import { arbEmpty } from 'fast

Using AI Code Generation

1const { arbEmpty } = require('fast-check-monorepo');2arbEmpty().generate(mrng).value;3const { arbEmpty } = require('fast-check');4arbEmpty().generate(mrng).value;5const { arbEmpty } = require('fast-check-monorepo');6arbEmpty().generate(mrng).value;7const { arbEmpty } = require('fast-check');8arbEmpty().generate(mrng).value;9const { arbEmpty } = require('fast-check-monorepo');10arbEmpty().generate(mrng).value;11const { arbEmpty } = require('fast-check');12arbEmpty().generate(mrng).value;13const { arbEmpty } = require('fast-check-monorepo');14arbEmpty().generate(mrng).value;15const { arbEmpty } = require('fast-check');16arbEmpty().generate(mrng).value;17const { arbEmpty } = require('fast-check-monorepo');18arbEmpty().generate(mrng).value;19const { arbEmpty } = require('fast-check');20arbEmpty().generate(mrng).value;21const { arbEmpty } = require('fast-check-monorepo');22arbEmpty().generate(mrng).value;23const { arbEmpty } = require('fast-check');24arbEmpty().generate(mrng).value;25const { arbEmpty } = require('fast-check-monorepo');26arbEmpty().generate

Using AI Code Generation

1const arbEmpty = require('fast-check-monorepo').arbEmpty;2describe('test', () => {3  it('should pass', () => {4    fc.assert(fc.property(arbEmpty(), () => true));5  });6});7{8  "dependencies": {9  }10}11module.exports = {12};

Using AI Code Generation

1const arbEmpty = require('fast-check-monorepo').arbEmpty;2describe('test', () => {3  it('should work', () => {4    fc.assert(5      fc.property(6        arbEmpty(),7        (a) => {8          return true;9        }10    );11  });12});13{14  "scripts": {15  },16  "dependencies": {17  },18  "devDependencies": {19  }20}21TypeError: (0 , _fastCheckMonorepo.arbEmpty) is not a function22TypeError: (0 , _fastCheckMonorepo.arbEmpty) is not a

Using AI Code Generation

1import { arbEmpty } from 'fast-check';2const empty = arbEmpty();3console.log(empty);4{5  "scripts": {6  },7  "dependencies": {8  }9}

Using AI Code Generation

1import { arbEmpty } from 'fast-check';2const arb = arbEmpty();3const gen = arb.generator;4const value = gen.next().value;5console.log(value);6{7  "dependencies": {8  }9}

Using AI Code Generation

1import { arbEmpty } from 'fast-check-monorepo';2const empty = arbEmpty().generate();3console.log(empty);4import { arbEmpty } from 'fast-check';5const empty = arbEmpty().generate();6console.log(empty);7{8  "scripts": {9  },10  "devDependencies": {11  }12}13import { arbEmpty } from 'fast-check-monorepo';14const empty = arbEmpty().generate();15console.log(empty);16import { arbEmpty } from 'fast-check';17const empty = arbEmpty().generate();18console.log(empty);

Using AI Code Generation

1const { arbEmpty } = require('fast-check');2const a = arbEmpty();3const { arbEmpty } = require('fast-check');4const a = arbEmpty();5const { arbEmpty } = require('fast-check');6const a = arbEmpty();7const { arbEmpty } = require('fast-check');8const a = arbEmpty();9const { arbEmpty } = require('fast-check');10const a = arbEmpty();11const { arbEmpty } = require('fast-check');12const a = arbEmpty();13const { arbEmpty } = require('fast-check');14const a = arbEmpty();15const { arbEmpty } = require('fast-check');16const a = arbEmpty();17const { arbEmpty } = require('fast-check');18const a = arbEmpty();19const { arbEmpty } = require('fast-check');20const a = arbEmpty();21const { arbEmpty } = require('fast-check');22const a = arbEmpty();23const { arbEmpty } = require('fast-check');24const a = arbEmpty();

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