1 import expect from
'expect';
3 import Constants from
'../../src/utils/Constants';
4 import Utils from
'../../src/utils/Utils';
6 describe('Utils test suite', () => {
7 it('Verify generateUUID()/validateUUID()', () => {
8 const uuid
= Utils
.generateUUID();
9 expect(uuid
).toBeDefined();
10 expect(uuid
.length
).toEqual(36);
11 expect(Utils
.validateUUID(uuid
)).toBe(true);
12 expect(Utils
.validateUUID('abcdef00-0000-4000-0000-000000000000')).toBe(true);
13 expect(Utils
.validateUUID('')).toBe(false);
14 // Shall invalidate Nil UUID
15 expect(Utils
.validateUUID('00000000-0000-0000-0000-000000000000')).toBe(false);
16 expect(Utils
.validateUUID('987FBC9-4BED-3078-CF07A-9141BA07C9F3')).toBe(false);
19 it('Verify sleep()', async () => {
20 const start
= Date.now();
21 await Utils
.sleep(1000);
22 const end
= Date.now();
23 expect(end
- start
).toBeGreaterThanOrEqual(1000);
26 it('Verify convertToDate()', () => {
27 expect(Utils
.convertToDate(undefined)).toBe(undefined);
28 expect(Utils
.convertToDate(null)).toBe(null);
29 const invalidDate
= Utils
.convertToDate('');
30 expect(invalidDate
instanceof Date && !isNaN(invalidDate
.getTime())).toBe(false);
31 expect(Utils
.convertToDate(0)).toStrictEqual(new Date('1970-01-01T00:00:00.000Z'));
32 const dateStr
= '2020-01-01T00:00:00.000Z';
33 let date
= Utils
.convertToDate(dateStr
);
34 expect(date
).toBeInstanceOf(Date);
35 expect(date
).toStrictEqual(new Date(dateStr
));
36 date
= Utils
.convertToDate(new Date(dateStr
));
37 expect(date
).toBeInstanceOf(Date);
38 expect(date
).toStrictEqual(new Date(dateStr
));
41 it('Verify convertToInt()', () => {
42 expect(Utils
.convertToInt(undefined)).toBe(0);
43 expect(Utils
.convertToInt(null)).toBe(0);
44 expect(Utils
.convertToInt(0)).toBe(0);
45 const randomInteger
= Utils
.getRandomInteger();
46 expect(Utils
.convertToInt(randomInteger
)).toEqual(randomInteger
);
47 expect(Utils
.convertToInt('-1')).toBe(-1);
48 expect(Utils
.convertToInt('1')).toBe(1);
49 expect(Utils
.convertToInt('1.1')).toBe(1);
50 expect(Utils
.convertToInt('1.9')).toBe(1);
51 expect(Utils
.convertToInt('1.999')).toBe(1);
52 expect(Utils
.convertToInt(-1)).toBe(-1);
53 expect(Utils
.convertToInt(1)).toBe(1);
54 expect(Utils
.convertToInt(1.1)).toBe(1);
55 expect(Utils
.convertToInt(1.9)).toBe(1);
56 expect(Utils
.convertToInt(1.999)).toBe(1);
58 Utils
.convertToInt('NaN');
59 }).toThrow('Cannot convert to integer: NaN');
62 it('Verify convertToFloat()', () => {
63 expect(Utils
.convertToFloat(undefined)).toBe(0);
64 expect(Utils
.convertToFloat(null)).toBe(0);
65 expect(Utils
.convertToFloat(0)).toBe(0);
66 const randomFloat
= Utils
.getRandomFloat();
67 expect(Utils
.convertToFloat(randomFloat
)).toEqual(randomFloat
);
68 expect(Utils
.convertToFloat('-1')).toBe(-1);
69 expect(Utils
.convertToFloat('1')).toBe(1);
70 expect(Utils
.convertToFloat('1.1')).toBe(1.1);
71 expect(Utils
.convertToFloat('1.9')).toBe(1.9);
72 expect(Utils
.convertToFloat('1.999')).toBe(1.999);
73 expect(Utils
.convertToFloat(-1)).toBe(-1);
74 expect(Utils
.convertToFloat(1)).toBe(1);
75 expect(Utils
.convertToFloat(1.1)).toBe(1.1);
76 expect(Utils
.convertToFloat(1.9)).toBe(1.9);
77 expect(Utils
.convertToFloat(1.999)).toBe(1.999);
79 Utils
.convertToFloat('NaN');
80 }).toThrow('Cannot convert to float: NaN');
83 it('Verify convertToBoolean()', () => {
84 expect(Utils
.convertToBoolean(undefined)).toBe(false);
85 expect(Utils
.convertToBoolean(null)).toBe(false);
86 expect(Utils
.convertToBoolean('true')).toBe(true);
87 expect(Utils
.convertToBoolean('false')).toBe(false);
88 expect(Utils
.convertToBoolean('TRUE')).toBe(true);
89 expect(Utils
.convertToBoolean('FALSE')).toBe(false);
90 expect(Utils
.convertToBoolean('1')).toBe(true);
91 expect(Utils
.convertToBoolean('0')).toBe(false);
92 expect(Utils
.convertToBoolean(1)).toBe(true);
93 expect(Utils
.convertToBoolean(0)).toBe(false);
94 expect(Utils
.convertToBoolean(true)).toBe(true);
95 expect(Utils
.convertToBoolean(false)).toBe(false);
96 expect(Utils
.convertToBoolean('')).toBe(false);
97 expect(Utils
.convertToBoolean('NoNBoolean')).toBe(false);
100 it('Verify secureRandom()', () => {
101 const random
= Utils
.secureRandom();
102 expect(typeof random
=== 'number').toBe(true);
103 expect(random
).toBeGreaterThanOrEqual(0);
104 expect(random
).toBeLessThan(1);
107 it('Verify getRandomInteger()', () => {
108 let randomInteger
= Utils
.getRandomInteger();
109 expect(Number.isSafeInteger(randomInteger
)).toBe(true);
110 expect(randomInteger
).toBeGreaterThanOrEqual(0);
111 expect(randomInteger
).toBeLessThanOrEqual(Constants
.MAX_RANDOM_INTEGER
);
112 expect(randomInteger
).not
.toEqual(Utils
.getRandomInteger());
113 expect(() => Utils
.getRandomInteger(0, 1)).toThrowError(
114 'The value of "max" is out of range. It must be greater than the value of "min" (1). Received 1'
116 expect(() => Utils
.getRandomInteger(-1)).toThrowError(
117 'The value of "max" is out of range. It must be greater than the value of "min" (0). Received 0'
119 expect(() => Utils
.getRandomInteger(Constants
.MAX_RANDOM_INTEGER
+ 1)).toThrowError(
120 `The value of "max" is out of range. It must be <= ${
121 Constants.MAX_RANDOM_INTEGER + 1
122 }. Received 281_474_976_710_656`
124 randomInteger
= Utils
.getRandomInteger(2, 1);
125 expect(randomInteger
).toBeGreaterThanOrEqual(1);
126 expect(randomInteger
).toBeLessThanOrEqual(2);
129 randomInteger
= Utils
.getRandomInteger(max
, min
);
130 expect(randomInteger
).toBeGreaterThanOrEqual(Math.ceil(min
));
131 expect(randomInteger
).toBeLessThanOrEqual(Math.floor(max
));
134 it('Verify getRandomFloat()', () => {
135 let randomFloat
= Utils
.getRandomFloat();
136 expect(typeof randomFloat
=== 'number').toBe(true);
137 expect(randomFloat
).toBeGreaterThanOrEqual(0);
138 expect(randomFloat
).toBeLessThanOrEqual(Number.MAX_VALUE
);
139 expect(randomFloat
).not
.toEqual(Utils
.getRandomFloat());
140 expect(() => Utils
.getRandomFloat(0, 1)).toThrowError(new RangeError('Invalid interval'));
141 expect(() => Utils
.getRandomFloat(-1)).toThrowError(new RangeError('Invalid interval'));
142 expect(() => Utils
.getRandomFloat(0, -1)).toThrowError(new RangeError('Invalid interval'));
143 randomFloat
= Utils
.getRandomFloat(Number.MAX_VALUE
, 0, true);
144 expect(randomFloat
).toBeGreaterThanOrEqual(-Number.MAX_VALUE
);
145 expect(randomFloat
).toBeLessThanOrEqual(Number.MAX_VALUE
);
148 it('Verify isIterable()', () => {
149 expect(Utils
.isIterable('')).toBe(false);
150 expect(Utils
.isIterable(' ')).toBe(true);
151 expect(Utils
.isIterable('test')).toBe(true);
152 expect(Utils
.isIterable(null)).toBe(false);
153 expect(Utils
.isIterable(undefined)).toBe(false);
154 expect(Utils
.isIterable(0)).toBe(false);
155 expect(Utils
.isIterable({})).toBe(false);
156 expect(Utils
.isIterable({ 1: 1 })).toBe(false);
157 expect(Utils
.isIterable([])).toBe(true);
158 expect(Utils
.isIterable(new Map())).toBe(true);
159 expect(Utils
.isIterable(new Set())).toBe(true);
160 expect(Utils
.isIterable(new WeakMap())).toBe(false);
161 expect(Utils
.isIterable(new WeakSet())).toBe(false);
164 it('Verify isEmptyString()', () => {
165 expect(Utils
.isEmptyString('')).toBe(true);
166 expect(Utils
.isEmptyString(' ')).toBe(true);
167 expect(Utils
.isEmptyString(' ')).toBe(true);
168 expect(Utils
.isEmptyString('test')).toBe(false);
169 expect(Utils
.isEmptyString(' test')).toBe(false);
170 expect(Utils
.isEmptyString('test ')).toBe(false);
171 expect(Utils
.isEmptyString(null)).toBe(false);
172 expect(Utils
.isEmptyString(undefined)).toBe(false);
173 expect(Utils
.isEmptyString(0)).toBe(false);
174 expect(Utils
.isEmptyString({})).toBe(false);
175 expect(Utils
.isEmptyString([])).toBe(false);
176 expect(Utils
.isEmptyString(new Map())).toBe(false);
177 expect(Utils
.isEmptyString(new Set())).toBe(false);
178 expect(Utils
.isEmptyString(new WeakMap())).toBe(false);
179 expect(Utils
.isEmptyString(new WeakSet())).toBe(false);
182 it('Verify isUndefined()', () => {
183 expect(Utils
.isUndefined(undefined)).toBe(true);
184 expect(Utils
.isUndefined(null)).toBe(false);
185 expect(Utils
.isUndefined('')).toBe(false);
186 expect(Utils
.isUndefined(0)).toBe(false);
187 expect(Utils
.isUndefined({})).toBe(false);
188 expect(Utils
.isUndefined([])).toBe(false);
189 expect(Utils
.isUndefined(new Map())).toBe(false);
190 expect(Utils
.isUndefined(new Set())).toBe(false);
191 expect(Utils
.isUndefined(new WeakMap())).toBe(false);
192 expect(Utils
.isUndefined(new WeakSet())).toBe(false);
195 it('Verify isNullOrUndefined()', () => {
196 expect(Utils
.isNullOrUndefined(null)).toBe(true);
197 expect(Utils
.isNullOrUndefined(undefined)).toBe(true);
198 expect(Utils
.isNullOrUndefined('')).toBe(false);
199 expect(Utils
.isNullOrUndefined(0)).toBe(false);
200 expect(Utils
.isNullOrUndefined({})).toBe(false);
201 expect(Utils
.isNullOrUndefined([])).toBe(false);
202 expect(Utils
.isNullOrUndefined(new Map())).toBe(false);
203 expect(Utils
.isNullOrUndefined(new Set())).toBe(false);
204 expect(Utils
.isNullOrUndefined(new WeakMap())).toBe(false);
205 expect(Utils
.isNullOrUndefined(new WeakSet())).toBe(false);
208 it('Verify isEmptyArray()', () => {
209 expect(Utils
.isEmptyArray([])).toBe(true);
210 expect(Utils
.isEmptyArray([1, 2])).toBe(false);
211 expect(Utils
.isEmptyArray(null)).toBe(true);
212 expect(Utils
.isEmptyArray(undefined)).toBe(true);
213 expect(Utils
.isEmptyArray('')).toBe(true);
214 expect(Utils
.isEmptyArray('test')).toBe(true);
215 expect(Utils
.isEmptyArray(0)).toBe(true);
216 expect(Utils
.isEmptyArray({})).toBe(true);
217 expect(Utils
.isEmptyArray(new Map())).toBe(true);
218 expect(Utils
.isEmptyArray(new Set())).toBe(true);
219 expect(Utils
.isEmptyArray(new WeakMap())).toBe(true);
220 expect(Utils
.isEmptyArray(new WeakSet())).toBe(true);
223 it('Verify isEmptyObject()', () => {
224 expect(Utils
.isEmptyObject({})).toBe(true);
225 expect(Utils
.isEmptyObject({ 1: 1, 2: 2 })).toBe(false);
226 expect(Utils
.isEmptyObject(null)).toBe(false);
227 expect(Utils
.isEmptyObject(undefined)).toBe(false);
228 expect(Utils
.isEmptyObject(new Map())).toBe(false);
229 expect(Utils
.isEmptyObject(new Set())).toBe(false);
230 expect(Utils
.isEmptyObject(new WeakMap())).toBe(false);
231 expect(Utils
.isEmptyObject(new WeakSet())).toBe(false);