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How to use buildValuesAndSeparateKeysToObjectMapper method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

ValuesAndSeparateKeysToObject.spec.ts

Source:ValuesAndSeparateKeysToObject.spec.ts

1import {2  buildValuesAndSeparateKeysToObjectMapper,3  buildValuesAndSeparateKeysToObjectUnmapper,4} from '../../../../../src/arbitrary/_internals/mappers/ValuesAndSeparateKeysToObject';5describe('buildValuesAndSeparateKeysToObjectMapper', () => {6  it('should create instances with Object prototype', () => {7    // Arrange8    const keys: (string | symbol)[] = [];9    const magicNoValue = Symbol('no-value');10    const values: any[] = [];11    // Act12    const mapper = buildValuesAndSeparateKeysToObjectMapper<any, typeof magicNoValue>(keys, magicNoValue);13    const obj = mapper(values);14    // Assert15    expect(Object.getPrototypeOf(obj)).toBe(Object.prototype);16  });17  it('should replace magic values by no key', () => {18    // Arrange19    const keys: (string | symbol)[] = ['a', 'b', 'c', 'd'];20    const magicNoValue = Symbol('no-value');21    const values: any[] = [undefined, magicNoValue, null, 0];22    // Act23    const mapper = buildValuesAndSeparateKeysToObjectMapper<any, typeof magicNoValue>(keys, magicNoValue);24    const obj = mapper(values);25    // Assert26    expect(obj).toHaveProperty('a');27    expect(obj).not.toHaveProperty('b');28    expect(obj).toHaveProperty('c');29    expect(obj).toHaveProperty('d');30    expect(obj).toEqual({ a: undefined, c: null, d: 0 });31  });32  it('should be able to produce instances with "__proto__" as key', () => {33    // Arrange34    const keys: (string | symbol)[] = ['__proto__'];35    const magicNoValue = Symbol('no-value');36    const values: any[] = [0];37    // Act38    const mapper = buildValuesAndSeparateKeysToObjectMapper<any, typeof magicNoValue>(keys, magicNoValue);39    const obj = mapper(values);40    // Assert41    expect(Object.getPrototypeOf(obj)).toBe(Object.prototype);42    expect(obj).toHaveProperty('__proto__');43    expect(obj.__proto__).toBe(0);44    expect(obj).toEqual({ ['__proto__']: 0 });45  });46});47describe('buildValuesAndSeparateKeysToObjectUnmapper', () => {48  it('should properly unmap basic instances of Object without keys', () => {49    // Arrange50    const obj = {};51    const keys: (string | symbol)[] = [];52    const magicNoValue = Symbol('no-value');53    // Act54    const unmapper = buildValuesAndSeparateKeysToObjectUnmapper<any, typeof magicNoValue>(keys, magicNoValue);55    const values = unmapper(obj);56    // Assert57    expect(values).toEqual([]);58  });59  it('should properly unmap basic instances of Object with multiple keys and no missing', () => {60    // Arrange61    const obj = { a: 'e', 1: 'hello', b: undefined };62    const keys: (string | symbol)[] = ['b', '1', 'a'];63    const magicNoValue = Symbol('no-value');64    // Act65    const unmapper = buildValuesAndSeparateKeysToObjectUnmapper<any, typeof magicNoValue>(keys, magicNoValue);66    const values = unmapper(obj);67    // Assert68    expect(values).toEqual([undefined, 'hello', 'e']);69  });70  it('should properly unmap instances of Object with known symbols as keys', () => {71    // Arrange72    const s1 = Symbol('s1');73    const s2 = Symbol('s2');74    const obj = { a: 'e', [s2]: 'hello', [s1]: undefined };75    const keys: (string | symbol)[] = [s2, s1, 'a'];76    const magicNoValue = Symbol('no-value');77    // Act78    const unmapper = buildValuesAndSeparateKeysToObjectUnmapper<any, typeof magicNoValue>(keys, magicNoValue);79    const values = unmapper(obj);80    // Assert81    expect(values).toEqual(['hello', undefined, 'e']);82  });83  it('should properly unmap instances of Object with missing keys', () => {84    // Arrange85    const s1 = Symbol('s1');86    const s2 = Symbol('s2');87    const s3 = Symbol('s2');88    const obj = { a: 'e', [s2]: 'hello', [s1]: undefined };89    const keys: (string | symbol)[] = [s2, 'b', s1, 'a', 'd', s3];90    const magicNoValue = Symbol('no-value');91    // Act92    const unmapper = buildValuesAndSeparateKeysToObjectUnmapper<any, typeof magicNoValue>(keys, magicNoValue);93    const values = unmapper(obj);94    // Assert95    expect(values).toEqual(['hello', magicNoValue, undefined, 'e', magicNoValue, magicNoValue]);96  });97  it('should properly unmap instances of Object with "__proto__" as key when there', () => {98    // Arrange99    const obj = { ['__proto__']: 'e' };100    const keys: (string | symbol)[] = ['toString', '__proto__', 'a'];101    const magicNoValue = Symbol('no-value');102    // Act103    const unmapper = buildValuesAndSeparateKeysToObjectUnmapper<any, typeof magicNoValue>(keys, magicNoValue);104    const values = unmapper(obj);105    // Assert106    expect(values).toEqual([magicNoValue, 'e', magicNoValue]);107  });108  it('should properly unmap instances of Object with "__proto__" as key when not there', () => {109    // Arrange110    const obj = {};111    const keys: (string | symbol)[] = ['toString', '__proto__', 'a'];112    const magicNoValue = Symbol('no-value');113    // Act114    const unmapper = buildValuesAndSeparateKeysToObjectUnmapper<any, typeof magicNoValue>(keys, magicNoValue);115    const values = unmapper(obj);116    // Assert117    expect(values).toEqual([magicNoValue, magicNoValue, magicNoValue]);118  });119  it.each`120    value                                                                | condition121    ${Object.create(null)}                                               | ${'it has no prototype'}122    ${new (class A {})()}                                                | ${'it is not just a simple object but a more complex type'}123    ${[]}                                                                | ${'it is an Array'}124    ${new Number(0)}                                                     | ${'it is a boxed-Number'}125    ${0}                                                                 | ${'it is a number'}126    ${null}                                                              | ${'it is null'}127    ${undefined}                                                         | ${'it is undefined'}128    ${{ [Symbol('unknown')]: 5 }}                                        | ${'it contains an unknown symbol property'}129    ${{ [Symbol('unknown')]: 5, a: 6, [Symbol.for('a')]: 7 }}            | ${'it contains an unknown symbol property (even if others are there)'}130    ${{ unknown: 5 }}                                                    | ${'it contains an unknown named property'}131    ${{ unknown: 5, a: 6, [Symbol.for('a')]: 7 }}                        | ${'it contains an unknown named property (even if others are there)'}132    ${Object.defineProperty({}, 'a', { value: 5, configurable: false })} | ${'it contains a non-configurable property'}133    ${Object.defineProperty({}, 'a', { value: 5, enumerable: false })}   | ${'it contains a non-enumerable property'}134    ${Object.defineProperty({}, 'a', { value: 5, writable: false })}     | ${'it contains a non-writable property'}135    ${Object.defineProperty({}, 'a', { get: () => 5 })}                  | ${'it contains a get property'}136    ${Object.defineProperty({}, 'a', { set: () => {} })}                 | ${'it contains a set property'}137  `('should reject unmap on instance when $condition', ({ value }) => {138    // Arrange139    const keys: (string | symbol)[] = ['a', Symbol.for('a')];140    const magicNoValue = Symbol('no-value');141    const unmapper = buildValuesAndSeparateKeysToObjectUnmapper<any, typeof magicNoValue>(keys, magicNoValue);142    // Act / Assert143    expect(() => unmapper(value)).toThrowError();144  });...

PartialRecordArbitraryBuilder.spec.ts

Source:PartialRecordArbitraryBuilder.spec.ts

1import { fakeArbitrary } from '../../__test-helpers__/ArbitraryHelpers';2import { buildPartialRecordArbitrary } from '../../../../../src/arbitrary/_internals/builders/PartialRecordArbitraryBuilder';3import * as OptionMock from '../../../../../src/arbitrary/option';4import * as TupleMock from '../../../../../src/arbitrary/tuple';5import * as ValuesAndSeparateKeysToObjectMock from '../../../../../src/arbitrary/_internals/mappers/ValuesAndSeparateKeysToObject';6function beforeEachHook() {7  jest.resetModules();8  jest.restoreAllMocks();9}10beforeEach(beforeEachHook);11describe('buildPartialRecordArbitrary', () => {12  it('should never wrap arbitraries linked to required keys and forward all keys to mappers', () => {13    // Arrange14    const { instance: mappedInstance } = fakeArbitrary<any>();15    const { instance: tupleInstance, map } = fakeArbitrary<any[]>();16    const option = jest.spyOn(OptionMock, 'option');17    const tuple = jest.spyOn(TupleMock, 'tuple');18    tuple.mockReturnValue(tupleInstance);19    map.mockReturnValue(mappedInstance);20    const mapper = jest.fn();21    const buildValuesAndSeparateKeysToObjectMapper = jest.spyOn(22      ValuesAndSeparateKeysToObjectMock,23      'buildValuesAndSeparateKeysToObjectMapper'24    );25    buildValuesAndSeparateKeysToObjectMapper.mockReturnValue(mapper);26    const unmapper = jest.fn();27    const buildValuesAndSeparateKeysToObjectUnmapper = jest.spyOn(28      ValuesAndSeparateKeysToObjectMock,29      'buildValuesAndSeparateKeysToObjectUnmapper'30    );31    buildValuesAndSeparateKeysToObjectUnmapper.mockReturnValue(unmapper);32    const arbKey1 = fakeArbitrary();33    const arbKey2 = fakeArbitrary();34    const recordModel = {35      a: arbKey1,36      b: arbKey2,37    };38    const requiredKeys: (keyof typeof recordModel)[] = ['a', 'b'];39    const allKeys: (keyof typeof recordModel)[] = ['a', 'b'];40    // Act41    const arb = buildPartialRecordArbitrary(recordModel, requiredKeys);42    // Assert43    expect(arb).toBe(mappedInstance);44    expect(option).not.toHaveBeenCalled();45    expect(tuple).toHaveBeenCalledTimes(1);46    expect(tuple).toHaveBeenCalledWith(recordModel.a, recordModel.b);47    expect(buildValuesAndSeparateKeysToObjectMapper).toHaveBeenCalledTimes(1);48    expect(buildValuesAndSeparateKeysToObjectMapper).toHaveBeenCalledWith(allKeys, expect.any(Symbol));49    expect(buildValuesAndSeparateKeysToObjectUnmapper).toHaveBeenCalledTimes(1);50    expect(buildValuesAndSeparateKeysToObjectUnmapper).toHaveBeenCalledWith(allKeys, expect.any(Symbol));51    expect(map).toHaveBeenCalledTimes(1);52    expect(map).toHaveBeenCalledWith(mapper, unmapper);53  });54  it('should wrap arbitraries not linked to required keys into option and forward all keys to mappers', () => {55    // Arrange56    const { instance: mappedInstance } = fakeArbitrary<any>();57    const { instance: tupleInstance, map } = fakeArbitrary<any[]>();58    const { instance: optionInstance1 } = fakeArbitrary();59    const { instance: optionInstance2 } = fakeArbitrary();60    const option = jest.spyOn(OptionMock, 'option');61    const tuple = jest.spyOn(TupleMock, 'tuple');62    const optionInstance1Old = optionInstance1;63    const optionInstance2Old = optionInstance2;64    option.mockReturnValueOnce(optionInstance1Old).mockReturnValueOnce(optionInstance2Old);65    tuple.mockReturnValue(tupleInstance);66    map.mockReturnValue(mappedInstance);67    const mapper = jest.fn();68    const buildValuesAndSeparateKeysToObjectMapper = jest.spyOn(69      ValuesAndSeparateKeysToObjectMock,70      'buildValuesAndSeparateKeysToObjectMapper'71    );72    buildValuesAndSeparateKeysToObjectMapper.mockReturnValue(mapper);73    const unmapper = jest.fn();74    const buildValuesAndSeparateKeysToObjectUnmapper = jest.spyOn(75      ValuesAndSeparateKeysToObjectMock,76      'buildValuesAndSeparateKeysToObjectUnmapper'77    );78    buildValuesAndSeparateKeysToObjectUnmapper.mockReturnValue(unmapper);79    const arbKey1 = fakeArbitrary();80    const arbKey2 = fakeArbitrary();81    const arbKey3 = fakeArbitrary();82    const recordModel = {83      a: arbKey1,84      b: arbKey2,85      c: arbKey3,86    };87    const requiredKeys: (keyof typeof recordModel)[] = ['b'];88    const allKeys: (keyof typeof recordModel)[] = ['a', 'b', 'c'];89    // Act90    const arb = buildPartialRecordArbitrary(recordModel, requiredKeys);91    // Assert92    expect(arb).toBe(mappedInstance);93    expect(option).toHaveBeenCalledTimes(2);94    expect(option).toHaveBeenCalledWith(recordModel.a, { nil: expect.any(Symbol) });95    expect(option).toHaveBeenCalledWith(recordModel.c, { nil: expect.any(Symbol) });96    expect(tuple).toHaveBeenCalledTimes(1);97    expect(tuple).toHaveBeenCalledWith(optionInstance1Old, recordModel.b, optionInstance2Old);98    expect(buildValuesAndSeparateKeysToObjectMapper).toHaveBeenCalledTimes(1);99    expect(buildValuesAndSeparateKeysToObjectMapper).toHaveBeenCalledWith(allKeys, expect.any(Symbol));100    expect(buildValuesAndSeparateKeysToObjectUnmapper).toHaveBeenCalledTimes(1);101    expect(buildValuesAndSeparateKeysToObjectUnmapper).toHaveBeenCalledWith(allKeys, expect.any(Symbol));102    expect(map).toHaveBeenCalledTimes(1);103    expect(map).toHaveBeenCalledWith(mapper, unmapper);104  });105  it('should not wrap any arbitrary when required keys is not specified (all required) and forward all keys to mappers', () => {106    // Arrange107    const { instance: mappedInstance } = fakeArbitrary<any>();108    const { instance: tupleInstance, map } = fakeArbitrary<any[]>();109    const option = jest.spyOn(OptionMock, 'option');110    const tuple = jest.spyOn(TupleMock, 'tuple');111    tuple.mockReturnValue(tupleInstance);112    map.mockReturnValue(mappedInstance);113    const mapper = jest.fn();114    const buildValuesAndSeparateKeysToObjectMapper = jest.spyOn(115      ValuesAndSeparateKeysToObjectMock,116      'buildValuesAndSeparateKeysToObjectMapper'117    );118    buildValuesAndSeparateKeysToObjectMapper.mockReturnValue(mapper);119    const unmapper = jest.fn();120    const buildValuesAndSeparateKeysToObjectUnmapper = jest.spyOn(121      ValuesAndSeparateKeysToObjectMock,122      'buildValuesAndSeparateKeysToObjectUnmapper'123    );124    buildValuesAndSeparateKeysToObjectUnmapper.mockReturnValue(unmapper);125    const arbKey1 = fakeArbitrary();126    const arbKey2 = fakeArbitrary();127    const recordModel = {128      a: arbKey1,129      b: arbKey2,130    };131    const requiredKeys = undefined;132    const allKeys: (keyof typeof recordModel)[] = ['a', 'b'];133    // Act134    const arb = buildPartialRecordArbitrary(recordModel, requiredKeys);135    // Assert136    expect(arb).toBe(mappedInstance);137    expect(option).not.toHaveBeenCalled();138    expect(tuple).toHaveBeenCalledTimes(1);139    expect(tuple).toHaveBeenCalledWith(recordModel.a, recordModel.b);140    expect(buildValuesAndSeparateKeysToObjectMapper).toHaveBeenCalledTimes(1);141    expect(buildValuesAndSeparateKeysToObjectMapper).toHaveBeenCalledWith(allKeys, expect.any(Symbol));142    expect(buildValuesAndSeparateKeysToObjectUnmapper).toHaveBeenCalledTimes(1);143    expect(buildValuesAndSeparateKeysToObjectUnmapper).toHaveBeenCalledWith(allKeys, expect.any(Symbol));144    expect(map).toHaveBeenCalledTimes(1);145    expect(map).toHaveBeenCalledWith(mapper, unmapper);146  });...

PartialRecordArbitraryBuilder.ts

Source:PartialRecordArbitraryBuilder.ts

1import { Arbitrary } from '../../../check/arbitrary/definition/Arbitrary';2import { safeIndexOf, safePush } from '../../../utils/globals';3import { option } from '../../option';4import { tuple } from '../../tuple';5import { EnumerableKeyOf, extractEnumerableKeys } from '../helpers/EnumerableKeysExtractor';6import {7  buildValuesAndSeparateKeysToObjectMapper,8  buildValuesAndSeparateKeysToObjectUnmapper,9} from '../mappers/ValuesAndSeparateKeysToObject';10const noKeyValue: unique symbol = Symbol('no-key');11type NoKeyType = typeof noKeyValue;12/** @internal */13export function buildPartialRecordArbitrary<T, TKeys extends EnumerableKeyOf<T>>(14  recordModel: { [K in keyof T]: Arbitrary<T[K]> },15  requiredKeys: TKeys[] | undefined16): Arbitrary<Partial<T> & Pick<T, TKeys>> {17  const keys = extractEnumerableKeys(recordModel);18  const arbs: Arbitrary<T[keyof T] | NoKeyType>[] = [];19  for (let index = 0; index !== keys.length; ++index) {20    const k: EnumerableKeyOf<T> = keys[index];21    const requiredArbitrary = recordModel[k];22    if (requiredKeys === undefined || safeIndexOf(requiredKeys, k as TKeys) !== -1) {23      safePush(arbs, requiredArbitrary);24    } else {25      safePush(arbs, option(requiredArbitrary, { nil: noKeyValue as NoKeyType }));26    }27  }28  return tuple(...arbs).map(29    buildValuesAndSeparateKeysToObjectMapper<T, NoKeyType>(keys, noKeyValue),30    buildValuesAndSeparateKeysToObjectUnmapper<T, NoKeyType>(keys, noKeyValue)31  );...

Using AI Code Generation

1const { buildValuesAndSeparateKeysToObjectMapper } = require('fast-check');2const mapper = buildValuesAndSeparateKeysToObjectMapper(['a', 'b', 'c']);3const result = mapper([1, 2, 3]);4console.log(result);5const { buildValuesAndKeysToObjectMapper } = require('fast-check');6const mapper = buildValuesAndKeysToObjectMapper(['a', 'b', 'c']);7const result = mapper([1, 2, 3]);8console.log(result);9const { buildValuesToObjectMapper } = require('fast-check');10const mapper = buildValuesToObjectMapper();11const result = mapper([1, 2, 3]);12console.log(result);13const { buildStringToObjectMapper } = require('fast-check');14const mapper = buildStringToObjectMapper();15const result = mapper('abc');16console.log(result);17const { buildStringToValuesMapper } = require('fast-check');

Using AI Code Generation

1const { buildValuesAndSeparateKeysToObjectMapper } = require('fast-check');2const { buildObject } = require('fast-check/lib/arbitrary/ObjectArbitrary');3const { buildString } = require('fast-check/lib/arbitrary/StringArbitrary');4const buildCustomObject = buildObject({withSet: true});5const buildCustomString = buildString({minLength: 5, maxLength: 10});6const buildCustomObjectWithCustomString = buildValuesAndSeparateKeysToObjectMapper(buildCustomString, buildCustomObject);7const customObject = buildCustomObjectWithCustomString();8console.log(customObject);

Using AI Code Generation

1const { buildValuesAndSeparateKeysToObjectMapper } = require('fast-check-monorepo');2const mapper = buildValuesAndSeparateKeysToObjectMapper(['a', 'b', 'c']);3const obj = mapper([1, 2, 3]);4const { buildValuesAndSeparateKeysToObjectMapper } = require('fast-check-monorepo');5const mapper = buildValuesAndSeparateKeysToObjectMapper(['a', 'b', 'c']);6const obj = mapper([1, 2, 3]);7const { buildValuesAndSeparateKeysToObjectMapper } = require('fast-check-monorepo');8const mapper = buildValuesAndSeparateKeysToObjectMapper(['a', 'b', 'c']);9const obj = mapper([1, 2, 3]);10const { buildValuesAndSeparateKeysToObjectMapper } = require('fast-check-monorepo');11const mapper = buildValuesAndSeparateKeysToObjectMapper(['a', 'b', 'c']);12const obj = mapper([1, 2, 3]);13const { buildValuesAndSeparateKeysToObjectMapper } = require('fast-check-monorepo');14const mapper = buildValuesAndSeparateKeysToObjectMapper(['a', 'b', 'c']);15const obj = mapper([1, 2, 3]);

Using AI Code Generation

1const { buildValuesAndSeparateKeysToObjectMapper } = require( 'fast-check' );2const { Mapper } = require( 'fast-check/lib/types/mapper/Mapper' );3const { Arbitrary } = require( 'fast-check/lib/check/arbitrary/definition/Arbitrary' );4const { ArbitraryWithShrink } = require( 'fast-check/lib/check/arbitrary/definition/ArbitraryWithShrink' );5const mapper = buildValuesAndSeparateKeysToObjectMapper( { a: 'b' } );6const arb = new ArbitraryWithShrink( new Arbitrary( () => 1 ) );7const mapped = mapper( arb );8console.log( mapped );

Using AI Code Generation

1const { buildValuesAndSeparateKeysToObjectMapper } = require('fast-check');2const mapper = buildValuesAndSeparateKeysToObjectMapper(['a', 'b']);3const values = ['a', 'b'];4const values = ['a'];5const values = ['a', 'b', 'c'];6const values = ['a', 'b', 'c', 'd'];7const values = ['a', 'b', 'c', 'd', 'e'];8const values = ['a', 'b', 'c', 'd', 'e', 'f'];9const values = ['a', 'b', 'c', 'd', 'e', 'f', 'g'];10const values = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h'];11const values = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i'];12const values = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j'];

Using AI Code Generation

1const { buildValuesAndSeparateKeysToObjectMapper } = require('fast-check-monorepo');2const mapper = buildValuesAndSeparateKeysToObjectMapper({3  key1: fc.integer(),4  key2: fc.string(),5  key3: fc.boolean(),6});7fc.assert(8  fc.property(mapper, (obj) => {9  })10);11const { buildValuesAndCombinedKeysToObjectMapper } = require('fast-check-monorepo');12const mapper = buildValuesAndCombinedKeysToObjectMapper({13  key1: fc.integer(),14  key2: fc.string(),15  key3: fc.boolean(),16});17fc.assert(18  fc.property(mapper, (obj) => {19  })20);21const { buildValuesAndCombinedKeysToObjectMapper } = require('fast-check-monorepo');22const mapper = buildValuesAndCombinedKeysToObjectMapper({23  key1: fc.integer(),24  key2: fc.string(),25  key3: fc.boolean(),26});27fc.assert(28  fc.property(mapper, (obj) => {29  })30);31const { buildValuesAndCombinedKeysToObjectMapper } = require('fast-check-monorepo');32const mapper = buildValuesAndCombinedKeysToObjectMapper({33  key1: fc.integer(),34  key2: fc.string(),35  key3: fc.boolean(),36});37fc.assert(38  fc.property(mapper, (obj

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