test/utils/Utils.test.ts

   1 import { expect } from 'expect';
   2
   3 import { Constants } from '../../src/utils/Constants';
   4 import {
   5   cloneObject,
   6   convertToBoolean,
   7   convertToDate,
   8   convertToFloat,
   9   convertToInt,
  10   generateUUID,
  11   getRandomFloat,
  12   getRandomInteger,
  13   hasOwnProp,
  14   isEmptyArray,
  15   isEmptyObject,
  16   isEmptyString,
  17   isIterable,
  18   isNotEmptyArray,
  19   isNotEmptyString,
  20   isNullOrUndefined,
  21   isObject,
  22   isUndefined,
  23   roundTo,
  24   secureRandom,
  25   sleep,
  26   validateUUID,
  27 } from '../../src/utils/Utils';
  28
  29 describe('Utils test suite', () => {
  30   it('Verify generateUUID()/validateUUID()', () => {
  31     const uuid = generateUUID();
  32     expect(uuid).toBeDefined();
  33     expect(uuid.length).toEqual(36);
  34     expect(validateUUID(uuid)).toBe(true);
  35     expect(validateUUID('abcdef00-0000-4000-0000-000000000000')).toBe(true);
  36     expect(validateUUID('')).toBe(false);
  37     // Shall invalidate Nil UUID
  38     expect(validateUUID('00000000-0000-0000-0000-000000000000')).toBe(false);
  39     expect(validateUUID('987FBC9-4BED-3078-CF07A-9141BA07C9F3')).toBe(false);
  40   });
  41
  42   it('Verify sleep()', async () => {
  43     const start = performance.now();
  44     await sleep(1000);
  45     const end = performance.now();
  46     expect(end - start).toBeGreaterThanOrEqual(1000);
  47   });
  48
  49   it('Verify convertToDate()', () => {
  50     expect(convertToDate(undefined)).toBe(undefined);
  51     expect(convertToDate(null)).toBe(null);
  52     const invalidDate = convertToDate('');
  53     expect(invalidDate instanceof Date && !isNaN(invalidDate.getTime())).toBe(false);
  54     expect(convertToDate(0)).toStrictEqual(new Date('1970-01-01T00:00:00.000Z'));
  55     const dateStr = '2020-01-01T00:00:00.000Z';
  56     let date = convertToDate(dateStr);
  57     expect(date).toBeInstanceOf(Date);
  58     expect(date).toStrictEqual(new Date(dateStr));
  59     date = convertToDate(new Date(dateStr));
  60     expect(date).toBeInstanceOf(Date);
  61     expect(date).toStrictEqual(new Date(dateStr));
  62   });
  63
  64   it('Verify convertToInt()', () => {
  65     expect(convertToInt(undefined)).toBe(0);
  66     expect(convertToInt(null)).toBe(0);
  67     expect(convertToInt(0)).toBe(0);
  68     const randomInteger = getRandomInteger();
  69     expect(convertToInt(randomInteger)).toEqual(randomInteger);
  70     expect(convertToInt('-1')).toBe(-1);
  71     expect(convertToInt('1')).toBe(1);
  72     expect(convertToInt('1.1')).toBe(1);
  73     expect(convertToInt('1.9')).toBe(1);
  74     expect(convertToInt('1.999')).toBe(1);
  75     expect(convertToInt(-1)).toBe(-1);
  76     expect(convertToInt(1)).toBe(1);
  77     expect(convertToInt(1.1)).toBe(1);
  78     expect(convertToInt(1.9)).toBe(1);
  79     expect(convertToInt(1.999)).toBe(1);
  80     expect(() => {
  81       convertToInt('NaN');
  82     }).toThrow('Cannot convert to integer: NaN');
  83   });
  84
  85   it('Verify convertToFloat()', () => {
  86     expect(convertToFloat(undefined)).toBe(0);
  87     expect(convertToFloat(null)).toBe(0);
  88     expect(convertToFloat(0)).toBe(0);
  89     const randomFloat = getRandomFloat();
  90     expect(convertToFloat(randomFloat)).toEqual(randomFloat);
  91     expect(convertToFloat('-1')).toBe(-1);
  92     expect(convertToFloat('1')).toBe(1);
  93     expect(convertToFloat('1.1')).toBe(1.1);
  94     expect(convertToFloat('1.9')).toBe(1.9);
  95     expect(convertToFloat('1.999')).toBe(1.999);
  96     expect(convertToFloat(-1)).toBe(-1);
  97     expect(convertToFloat(1)).toBe(1);
  98     expect(convertToFloat(1.1)).toBe(1.1);
  99     expect(convertToFloat(1.9)).toBe(1.9);
 100     expect(convertToFloat(1.999)).toBe(1.999);
 101     expect(() => {
 102       convertToFloat('NaN');
 103     }).toThrow('Cannot convert to float: NaN');
 104   });
 105
 106   it('Verify convertToBoolean()', () => {
 107     expect(convertToBoolean(undefined)).toBe(false);
 108     expect(convertToBoolean(null)).toBe(false);
 109     expect(convertToBoolean('true')).toBe(true);
 110     expect(convertToBoolean('false')).toBe(false);
 111     expect(convertToBoolean('TRUE')).toBe(true);
 112     expect(convertToBoolean('FALSE')).toBe(false);
 113     expect(convertToBoolean('1')).toBe(true);
 114     expect(convertToBoolean('0')).toBe(false);
 115     expect(convertToBoolean(1)).toBe(true);
 116     expect(convertToBoolean(0)).toBe(false);
 117     expect(convertToBoolean(true)).toBe(true);
 118     expect(convertToBoolean(false)).toBe(false);
 119     expect(convertToBoolean('')).toBe(false);
 120     expect(convertToBoolean('NoNBoolean')).toBe(false);
 121   });
 122
 123   it('Verify secureRandom()', () => {
 124     const random = secureRandom();
 125     expect(typeof random === 'number').toBe(true);
 126     expect(random).toBeGreaterThanOrEqual(0);
 127     expect(random).toBeLessThan(1);
 128   });
 129
 130   it('Verify getRandomInteger()', () => {
 131     let randomInteger = getRandomInteger();
 132     expect(Number.isSafeInteger(randomInteger)).toBe(true);
 133     expect(randomInteger).toBeGreaterThanOrEqual(0);
 134     expect(randomInteger).toBeLessThanOrEqual(Constants.MAX_RANDOM_INTEGER);
 135     expect(randomInteger).not.toEqual(getRandomInteger());
 136     randomInteger = getRandomInteger(0, -Constants.MAX_RANDOM_INTEGER);
 137     expect(randomInteger).toBeGreaterThanOrEqual(-Constants.MAX_RANDOM_INTEGER);
 138     expect(randomInteger).toBeLessThanOrEqual(0);
 139     expect(() => getRandomInteger(0, 1)).toThrowError(
 140       'The value of "max" is out of range. It must be greater than the value of "min" (1). Received 1',
 141     );
 142     expect(() => getRandomInteger(-1)).toThrowError(
 143       'The value of "max" is out of range. It must be greater than the value of "min" (0). Received 0',
 144     );
 145     expect(() => getRandomInteger(Constants.MAX_RANDOM_INTEGER + 1)).toThrowError(
 146       `The value of "max" is out of range. It must be <= ${
 147         Constants.MAX_RANDOM_INTEGER + 1
 148       }. Received 281_474_976_710_656`,
 149     );
 150     randomInteger = getRandomInteger(2, 1);
 151     expect(randomInteger).toBeGreaterThanOrEqual(1);
 152     expect(randomInteger).toBeLessThanOrEqual(2);
 153     const max = 2.2,
 154       min = 1.1;
 155     randomInteger = getRandomInteger(max, min);
 156     expect(randomInteger).toBeGreaterThanOrEqual(Math.ceil(min));
 157     expect(randomInteger).toBeLessThanOrEqual(Math.floor(max));
 158   });
 159
 160   it('Verify roundTo()', () => {
 161     expect(roundTo(0, 2)).toBe(0);
 162     expect(roundTo(0.5, 0)).toBe(1);
 163     expect(roundTo(0.5, 2)).toBe(0.5);
 164     expect(roundTo(-0.5, 0)).toBe(-1);
 165     expect(roundTo(-0.5, 2)).toBe(-0.5);
 166     expect(roundTo(1.005, 0)).toBe(1);
 167     expect(roundTo(1.005, 2)).toBe(1.01);
 168     expect(roundTo(2.175, 2)).toBe(2.18);
 169     expect(roundTo(5.015, 2)).toBe(5.02);
 170     expect(roundTo(-1.005, 2)).toBe(-1.01);
 171     expect(roundTo(-2.175, 2)).toBe(-2.18);
 172     expect(roundTo(-5.015, 2)).toBe(-5.02);
 173   });
 174
 175   it('Verify getRandomFloat()', () => {
 176     let randomFloat = getRandomFloat();
 177     expect(typeof randomFloat === 'number').toBe(true);
 178     expect(randomFloat).toBeGreaterThanOrEqual(0);
 179     expect(randomFloat).toBeLessThanOrEqual(Number.MAX_VALUE);
 180     expect(randomFloat).not.toEqual(getRandomFloat());
 181     expect(() => getRandomFloat(0, 1)).toThrowError(new RangeError('Invalid interval'));
 182     expect(() => getRandomFloat(Number.MAX_VALUE, -Number.MAX_VALUE)).toThrowError(
 183       new RangeError('Invalid interval'),
 184     );
 185     randomFloat = getRandomFloat(0, -Number.MAX_VALUE);
 186     expect(randomFloat).toBeGreaterThanOrEqual(-Number.MAX_VALUE);
 187     expect(randomFloat).toBeLessThanOrEqual(0);
 188   });
 189
 190   it('Verify isObject()', () => {
 191     expect(isObject('test')).toBe(false);
 192     expect(isObject(undefined)).toBe(false);
 193     expect(isObject(null)).toBe(false);
 194     expect(isObject(0)).toBe(false);
 195     expect(isObject([])).toBe(false);
 196     expect(isObject([0, 1])).toBe(false);
 197     expect(isObject(['0', '1'])).toBe(false);
 198     expect(isObject({})).toBe(true);
 199     expect(isObject({ 1: 1 })).toBe(true);
 200     expect(isObject({ '1': '1' })).toBe(true);
 201     expect(isObject(new Map())).toBe(true);
 202     expect(isObject(new Set())).toBe(true);
 203     expect(isObject(new WeakMap())).toBe(true);
 204     expect(isObject(new WeakSet())).toBe(true);
 205   });
 206
 207   it('Verify cloneObject()', () => {
 208     const obj = { 1: 1 };
 209     expect(cloneObject(obj)).toStrictEqual(obj);
 210     expect(cloneObject(obj) === obj).toBe(false);
 211     const array = [1, 2];
 212     expect(cloneObject(array)).toStrictEqual(array);
 213     expect(cloneObject(array) === array).toBe(false);
 214     const date = new Date();
 215     expect(cloneObject(date)).toStrictEqual(date);
 216     expect(cloneObject(date) === date).toBe(false);
 217     const map = new Map([['1', '2']]);
 218     expect(cloneObject(map)).toStrictEqual(map);
 219     expect(cloneObject(map) === map).toBe(false);
 220     const set = new Set(['1']);
 221     expect(cloneObject(set)).toStrictEqual(set);
 222     expect(cloneObject(set) === set).toBe(false);
 223     // The URL object seems to have not enumerable properties
 224     const url = new URL('https://domain.tld');
 225     expect(cloneObject(url)).toStrictEqual(url);
 226     expect(cloneObject(url) === url).toBe(true);
 227     const weakMap = new WeakMap([[{ 1: 1 }, { 2: 2 }]]);
 228     expect(cloneObject(weakMap)).toStrictEqual(weakMap);
 229     expect(cloneObject(weakMap) === weakMap).toBe(true);
 230     const weakSet = new WeakSet([{ 1: 1 }, { 2: 2 }]);
 231     expect(cloneObject(weakSet)).toStrictEqual(weakSet);
 232     expect(cloneObject(weakSet) === weakSet).toBe(true);
 233   });
 234
 235   it('Verify hasOwnProp()', () => {
 236     expect(hasOwnProp('test', '')).toBe(false);
 237     expect(hasOwnProp(undefined, '')).toBe(false);
 238     expect(hasOwnProp(null, '')).toBe(false);
 239     expect(hasOwnProp([], '')).toBe(false);
 240     expect(hasOwnProp({}, '')).toBe(false);
 241     expect(hasOwnProp({ 1: 1 }, 1)).toBe(true);
 242     expect(hasOwnProp({ 1: 1 }, '1')).toBe(true);
 243     expect(hasOwnProp({ 1: 1 }, 2)).toBe(false);
 244     expect(hasOwnProp({ 1: 1 }, '2')).toBe(false);
 245     expect(hasOwnProp({ '1': '1' }, '1')).toBe(true);
 246     expect(hasOwnProp({ '1': '1' }, 1)).toBe(true);
 247     expect(hasOwnProp({ '1': '1' }, '2')).toBe(false);
 248     expect(hasOwnProp({ '1': '1' }, 2)).toBe(false);
 249   });
 250
 251   it('Verify isIterable()', () => {
 252     expect(isIterable('')).toBe(true);
 253     expect(isIterable(' ')).toBe(true);
 254     expect(isIterable('test')).toBe(true);
 255     expect(isIterable(undefined)).toBe(false);
 256     expect(isIterable(null)).toBe(false);
 257     expect(isIterable(0)).toBe(false);
 258     expect(isIterable([0, 1])).toBe(true);
 259     expect(isIterable({ 1: 1 })).toBe(false);
 260     expect(isIterable(new Map())).toBe(true);
 261     expect(isIterable(new Set())).toBe(true);
 262     expect(isIterable(new WeakMap())).toBe(false);
 263     expect(isIterable(new WeakSet())).toBe(false);
 264   });
 265
 266   it('Verify isEmptyString()', () => {
 267     expect(isEmptyString('')).toBe(true);
 268     expect(isEmptyString(' ')).toBe(true);
 269     expect(isEmptyString('     ')).toBe(true);
 270     expect(isEmptyString('test')).toBe(false);
 271     expect(isEmptyString(' test')).toBe(false);
 272     expect(isEmptyString('test ')).toBe(false);
 273     expect(isEmptyString(undefined)).toBe(true);
 274     expect(isEmptyString(null)).toBe(true);
 275     expect(isEmptyString(0)).toBe(false);
 276     expect(isEmptyString({})).toBe(false);
 277     expect(isEmptyString([])).toBe(false);
 278     expect(isEmptyString(new Map())).toBe(false);
 279     expect(isEmptyString(new Set())).toBe(false);
 280     expect(isEmptyString(new WeakMap())).toBe(false);
 281     expect(isEmptyString(new WeakSet())).toBe(false);
 282   });
 283
 284   it('Verify isNotEmptyString()', () => {
 285     expect(isNotEmptyString('')).toBe(false);
 286     expect(isNotEmptyString(' ')).toBe(false);
 287     expect(isNotEmptyString('     ')).toBe(false);
 288     expect(isNotEmptyString('test')).toBe(true);
 289     expect(isNotEmptyString(' test')).toBe(true);
 290     expect(isNotEmptyString('test ')).toBe(true);
 291     expect(isNotEmptyString(undefined)).toBe(false);
 292     expect(isNotEmptyString(null)).toBe(false);
 293     expect(isNotEmptyString(0)).toBe(false);
 294     expect(isNotEmptyString({})).toBe(false);
 295     expect(isNotEmptyString([])).toBe(false);
 296     expect(isNotEmptyString(new Map())).toBe(false);
 297     expect(isNotEmptyString(new Set())).toBe(false);
 298     expect(isNotEmptyString(new WeakMap())).toBe(false);
 299     expect(isNotEmptyString(new WeakSet())).toBe(false);
 300   });
 301
 302   it('Verify isUndefined()', () => {
 303     expect(isUndefined(undefined)).toBe(true);
 304     expect(isUndefined(null)).toBe(false);
 305     expect(isUndefined('')).toBe(false);
 306     expect(isUndefined(0)).toBe(false);
 307     expect(isUndefined({})).toBe(false);
 308     expect(isUndefined([])).toBe(false);
 309     expect(isUndefined(new Map())).toBe(false);
 310     expect(isUndefined(new Set())).toBe(false);
 311     expect(isUndefined(new WeakMap())).toBe(false);
 312     expect(isUndefined(new WeakSet())).toBe(false);
 313   });
 314
 315   it('Verify isNullOrUndefined()', () => {
 316     expect(isNullOrUndefined(undefined)).toBe(true);
 317     expect(isNullOrUndefined(null)).toBe(true);
 318     expect(isNullOrUndefined('')).toBe(false);
 319     expect(isNullOrUndefined(0)).toBe(false);
 320     expect(isNullOrUndefined({})).toBe(false);
 321     expect(isNullOrUndefined([])).toBe(false);
 322     expect(isNullOrUndefined(new Map())).toBe(false);
 323     expect(isNullOrUndefined(new Set())).toBe(false);
 324     expect(isNullOrUndefined(new WeakMap())).toBe(false);
 325     expect(isNullOrUndefined(new WeakSet())).toBe(false);
 326   });
 327
 328   it('Verify isEmptyArray()', () => {
 329     expect(isEmptyArray([])).toBe(true);
 330     expect(isEmptyArray([1, 2])).toBe(false);
 331     expect(isEmptyArray(['1', '2'])).toBe(false);
 332     expect(isEmptyArray(undefined)).toBe(false);
 333     expect(isEmptyArray(null)).toBe(false);
 334     expect(isEmptyArray('')).toBe(false);
 335     expect(isEmptyArray('test')).toBe(false);
 336     expect(isEmptyArray(0)).toBe(false);
 337     expect(isEmptyArray({})).toBe(false);
 338     expect(isEmptyArray(new Map())).toBe(false);
 339     expect(isEmptyArray(new Set())).toBe(false);
 340     expect(isEmptyArray(new WeakMap())).toBe(false);
 341     expect(isEmptyArray(new WeakSet())).toBe(false);
 342   });
 343
 344   it('Verify isNotEmptyArray()', () => {
 345     expect(isNotEmptyArray([])).toBe(false);
 346     expect(isNotEmptyArray([1, 2])).toBe(true);
 347     expect(isNotEmptyArray(['1', '2'])).toBe(true);
 348     expect(isNotEmptyArray(undefined)).toBe(false);
 349     expect(isNotEmptyArray(null)).toBe(false);
 350     expect(isNotEmptyArray('')).toBe(false);
 351     expect(isNotEmptyArray('test')).toBe(false);
 352     expect(isNotEmptyArray(0)).toBe(false);
 353     expect(isNotEmptyArray({})).toBe(false);
 354     expect(isNotEmptyArray(new Map())).toBe(false);
 355     expect(isNotEmptyArray(new Set())).toBe(false);
 356     expect(isNotEmptyArray(new WeakMap())).toBe(false);
 357     expect(isNotEmptyArray(new WeakSet())).toBe(false);
 358   });
 359
 360   it('Verify isEmptyObject()', () => {
 361     expect(isEmptyObject({})).toBe(true);
 362     expect(isEmptyObject({ 1: 1, 2: 2 })).toBe(false);
 363     expect(isEmptyObject(new Map())).toBe(false);
 364     expect(isEmptyObject(new Set())).toBe(false);
 365     expect(isEmptyObject(new WeakMap())).toBe(false);
 366     expect(isEmptyObject(new WeakSet())).toBe(false);
 367   });
 368 });