How to use magicNoValue method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

ValuesAndSeparateKeysToObject.spec.ts

Source:ValuesAndSeparateKeysToObject.spec.ts Github

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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 });...

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Using AI Code Generation

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1const { magicNoValue } = require('fast-check-monorepo');2const { magicNoValue } = require('fast-check');3const { magicNoValue } = require('fast-check-monorepo/fast-check');4const { magicNoValue } = require('fast-check-monorepo/fast-check/lib/check/arbitrary/MagicNoValueArbitrary');5const { magicNoValue } = require('fast-check-monorepo/fast-check/lib/check/arbitrary/MagicNoValueArbitrary.js');6const { magicNoValue } = require('fast-check-monorepo/fast-check/lib/check/arbitrary/MagicNoValueArbitrary.js');7const { magicNoValue } = require('fast-check-monorepo/fast-check/lib/check/arbitrary/MagicNoValueArbitrary.js');8const { magicNoValue } = require('fast-check-monorepo/fast-check/lib/check/arbitrary/MagicNoValueArbitrary.js');9const { magicNoValue } = require('fast-check-monorepo/fast-check/lib/check/arbitrary/MagicNoValueArbitrary.js');10const { magicNoValue } = require('fast-check-monorepo/fast-check/lib/check/arbitrary/MagicNoValueArbitrary.js');11const { magicNoValue } = require('fast-check-monorepo/fast-check/lib/check/arbitrary/MagicNoValueArbitrary.js');12const { magicNoValue } = require('fast-check-monorepo/fast-check/lib/check/arbitrary/MagicNoValueArbitrary.js');13const { magicNoValue } = require('fast-check-monorepo/fast-check/lib/check/arbitrary/MagicNoValueArbitrary.js');14const { magicNoValue } = require('fast-check-monorepo/fast-check/lib/check/ar

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Using AI Code Generation

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

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Using AI Code Generation

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1const { magicNoValue } = require('fast-check-monorepo');2console.log(magicNoValue());3{4 "dependencies": {5 },6 "devDependencies": {},7 "scripts": {8 },9}

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Using AI Code Generation

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1const fc = require('fast-check');2fc.magicNoValue();3function magicNoValue() {4 console.log('magicNoValue');5}6{7}8{9 "dependencies": {10 }11}12{13 "dependencies": {14 }15}

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Using AI Code Generation

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1const { magicNoValue } = require('fast-check-monorepo');2const { magicNoValue } = require('fast-check-monorepo');3const { magicNoValue } = require('fast-check-monorepo');4const { magicNoValue } = require('fast-check-monorepo');5const { magicNoValue } = require('fast-check-monorepo');6const { magicNoValue } = require('fast-check-monorepo');7const { magicNoValue } = require('fast-check-monorepo');8const { magicNoValue } = require('fast-check-monorepo');9const { magicNoValue } = require('fast-check-monorepo');10const { magicNoValue } = require('fast-check-monorepo');

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Using AI Code Generation

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1var fastCheckMonorepo = require('fast-check-monorepo');2var result = fastCheckMonorepo.magicNoValue(1);3var fastCheckMonorepo = require('fast-check-monorepo');4var result = fastCheckMonorepo.magicNoValue(1);5var fastCheckMonorepo = require('fast-check-monorepo');6var result = fastCheckMonorepo.magicNoValue(1);7var fastCheckMonorepo = require('fast-check-monorepo');8var result = fastCheckMonorepo.magicNoValue(1);9var fastCheckMonorepo = require('fast-check-monorepo');10var result = fastCheckMonorepo.magicNoValue(1);11var fastCheckMonorepo = require('fast-check-monorepo');12var result = fastCheckMonorepo.magicNoValue(1);13var fastCheckMonorepo = require('fast-check-monorepo');14var result = fastCheckMonorepo.magicNoValue(1);

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