test/utils/UtilsTest.ts

   1 import expect from 'expect';
   2
   3 import Utils from '../../src/utils/Utils';
   4
   5 describe('Utils test suite', () => {
   6   it('Verify generateUUID()/validateUUID()', () => {
   7     const uuid = Utils.generateUUID();
   8     expect(uuid.length).toEqual(36);
   9     expect(Utils.validateUUID(uuid)).toBe(true);
  10   });
  11
  12   it('Verify secureRandom()', () => {
  13     const random = Utils.secureRandom();
  14     expect(typeof random === 'number').toBe(true);
  15     expect(random).toBeGreaterThanOrEqual(0);
  16     expect(random).toBeLessThan(1);
  17   });
  18
  19   it('Verify getRandomInteger()', () => {
  20     const randomInteger = Utils.getRandomInteger();
  21     expect(Number.isSafeInteger(randomInteger)).toBe(true);
  22     expect(randomInteger).toBeGreaterThanOrEqual(0);
  23     expect(randomInteger).toBeLessThanOrEqual(Number.MAX_SAFE_INTEGER);
  24     expect(() => Utils.getRandomInteger(0, 1)).toThrowError(new RangeError('Invalid interval'));
  25     expect(() => Utils.getRandomInteger(-1)).toThrowError(new RangeError('Invalid interval'));
  26     expect(() => Utils.getRandomInteger(0, -1)).toThrowError(new RangeError('Invalid interval'));
  27   });
  28
  29   it('Verify getRandomFloat()', () => {
  30     const randomFloat = Utils.getRandomFloat();
  31     expect(typeof randomFloat === 'number').toBe(true);
  32     expect(randomFloat).toBeGreaterThanOrEqual(0);
  33     expect(randomFloat).toBeLessThanOrEqual(Number.MAX_VALUE);
  34     expect(() => Utils.getRandomFloat(0, 1)).toThrowError(new RangeError('Invalid interval'));
  35     expect(() => Utils.getRandomFloat(-1)).toThrowError(new RangeError('Invalid interval'));
  36     expect(() => Utils.getRandomFloat(0, -1)).toThrowError(new RangeError('Invalid interval'));
  37   });
  38
  39   it('Verify isIterable()', () => {
  40     expect(Utils.isIterable('')).toBe(false);
  41     expect(Utils.isIterable(' ')).toBe(true);
  42     expect(Utils.isIterable('test')).toBe(true);
  43     expect(Utils.isIterable(null)).toBe(false);
  44     expect(Utils.isIterable(undefined)).toBe(false);
  45     expect(Utils.isIterable(0)).toBe(false);
  46     expect(Utils.isIterable({})).toBe(false);
  47     expect(Utils.isIterable({ 1: 1 })).toBe(false);
  48     expect(Utils.isIterable([])).toBe(true);
  49     expect(Utils.isIterable(new Map())).toBe(true);
  50     expect(Utils.isIterable(new Set())).toBe(true);
  51     expect(Utils.isIterable(new WeakMap())).toBe(false);
  52     expect(Utils.isIterable(new WeakSet())).toBe(false);
  53   });
  54
  55   it('Verify isEmptyString()', () => {
  56     expect(Utils.isEmptyString('')).toBe(true);
  57     expect(Utils.isEmptyString(' ')).toBe(true);
  58     expect(Utils.isEmptyString('     ')).toBe(true);
  59     expect(Utils.isEmptyString('test')).toBe(false);
  60     expect(Utils.isEmptyString(' test')).toBe(false);
  61     expect(Utils.isEmptyString('test ')).toBe(false);
  62     expect(Utils.isEmptyString(null)).toBe(false);
  63     expect(Utils.isEmptyString(undefined)).toBe(false);
  64     expect(Utils.isEmptyString(0)).toBe(false);
  65     expect(Utils.isEmptyString({})).toBe(false);
  66     expect(Utils.isEmptyString([])).toBe(false);
  67     expect(Utils.isEmptyString(new Map())).toBe(false);
  68     expect(Utils.isEmptyString(new Set())).toBe(false);
  69   });
  70
  71   it('Verify isNullOrUndefined()', () => {
  72     expect(Utils.isNullOrUndefined(null)).toBe(true);
  73     expect(Utils.isNullOrUndefined(undefined)).toBe(true);
  74     expect(Utils.isNullOrUndefined('')).toBe(false);
  75     expect(Utils.isNullOrUndefined(0)).toBe(false);
  76     expect(Utils.isNullOrUndefined({})).toBe(false);
  77     expect(Utils.isNullOrUndefined([])).toBe(false);
  78     expect(Utils.isNullOrUndefined(new Map())).toBe(false);
  79     expect(Utils.isNullOrUndefined(new Set())).toBe(false);
  80   });
  81
  82   it('Verify isEmptyArray()', () => {
  83     expect(Utils.isEmptyArray([])).toBe(true);
  84     expect(Utils.isEmptyArray([1, 2])).toBe(false);
  85     expect(Utils.isEmptyArray(null)).toBe(false);
  86     expect(Utils.isEmptyArray(undefined)).toBe(false);
  87     expect(Utils.isEmptyArray('')).toBe(false);
  88     expect(Utils.isEmptyArray(0)).toBe(false);
  89     expect(Utils.isEmptyArray({})).toBe(false);
  90     expect(Utils.isEmptyArray(new Map())).toBe(false);
  91     expect(Utils.isEmptyArray(new Set())).toBe(false);
  92   });
  93
  94   it('Verify isEmptyObject()', () => {
  95     expect(Utils.isEmptyObject({})).toBe(true);
  96     expect(Utils.isEmptyObject({ 1: 1, 2: 2 })).toBe(false);
  97     expect(Utils.isEmptyObject(null)).toBe(false);
  98     expect(Utils.isEmptyObject(undefined)).toBe(false);
  99     expect(Utils.isEmptyObject(new Map())).toBe(false);
 100     expect(Utils.isEmptyObject(new Set())).toBe(false);
 101   });
 102 });