import expect from 'expect';
+import Constants from '../../src/utils/Constants';
import Utils from '../../src/utils/Utils';
describe('Utils test suite', () => {
const invalidDate = Utils.convertToDate('');
expect(invalidDate instanceof Date && !isNaN(invalidDate.getTime())).toBe(false);
expect(Utils.convertToDate(0)).toStrictEqual(new Date('1970-01-01T00:00:00.000Z'));
- expect(Utils.convertToDate([])).toBe(null);
- expect(Utils.convertToDate({})).toBe(null);
- expect(Utils.convertToDate(new Map())).toBe(null);
- expect(Utils.convertToDate(new Set())).toBe(null);
- expect(Utils.convertToDate(new WeakMap())).toBe(null);
- expect(Utils.convertToDate(new WeakSet())).toBe(null);
const dateStr = '2020-01-01T00:00:00.000Z';
let date = Utils.convertToDate(dateStr);
expect(date).toBeInstanceOf(Date);
expect(Utils.convertToInt(1.1)).toBe(1);
expect(Utils.convertToInt(1.9)).toBe(1);
expect(Utils.convertToInt(1.999)).toBe(1);
+ expect(() => {
+ Utils.convertToInt('NaN');
+ }).toThrow('Cannot convert to integer: NaN');
});
it('Verify convertToFloat()', () => {
expect(Utils.convertToFloat(1.1)).toBe(1.1);
expect(Utils.convertToFloat(1.9)).toBe(1.9);
expect(Utils.convertToFloat(1.999)).toBe(1.999);
+ expect(() => {
+ Utils.convertToFloat('NaN');
+ }).toThrow('Cannot convert to float: NaN');
});
it('Verify convertToBoolean()', () => {
let randomInteger = Utils.getRandomInteger();
expect(Number.isSafeInteger(randomInteger)).toBe(true);
expect(randomInteger).toBeGreaterThanOrEqual(0);
- expect(randomInteger).toBeLessThanOrEqual(Number.MAX_SAFE_INTEGER);
- expect(() => Utils.getRandomInteger(0, 1)).toThrowError(new RangeError('Invalid interval'));
- expect(() => Utils.getRandomInteger(-1)).toThrowError(new RangeError('Invalid interval'));
- expect(() => Utils.getRandomInteger(0, -1)).toThrowError(new RangeError('Invalid interval'));
+ expect(randomInteger).toBeLessThanOrEqual(Constants.MAX_RANDOM_INTEGER);
+ expect(randomInteger).not.toEqual(Utils.getRandomInteger());
+ expect(() => Utils.getRandomInteger(0, 1)).toThrowError(
+ 'The value of "max" is out of range. It must be greater than the value of "min" (1). Received 1'
+ );
+ expect(() => Utils.getRandomInteger(-1)).toThrowError(
+ 'The value of "max" is out of range. It must be greater than the value of "min" (0). Received 0'
+ );
+ expect(() => Utils.getRandomInteger(Constants.MAX_RANDOM_INTEGER + 1)).toThrowError(
+ `The value of "max" is out of range. It must be <= ${
+ Constants.MAX_RANDOM_INTEGER + 1
+ }. Received 281_474_976_710_656`
+ );
randomInteger = Utils.getRandomInteger(2, 1);
expect(randomInteger).toBeGreaterThanOrEqual(1);
expect(randomInteger).toBeLessThanOrEqual(2);
expect(typeof randomFloat === 'number').toBe(true);
expect(randomFloat).toBeGreaterThanOrEqual(0);
expect(randomFloat).toBeLessThanOrEqual(Number.MAX_VALUE);
+ expect(randomFloat).not.toEqual(Utils.getRandomFloat());
expect(() => Utils.getRandomFloat(0, 1)).toThrowError(new RangeError('Invalid interval'));
expect(() => Utils.getRandomFloat(-1)).toThrowError(new RangeError('Invalid interval'));
expect(() => Utils.getRandomFloat(0, -1)).toThrowError(new RangeError('Invalid interval'));
});
it('Verify isIterable()', () => {
- expect(Utils.isIterable('')).toBe(false);
+ expect(Utils.isIterable('')).toBe(true);
expect(Utils.isIterable(' ')).toBe(true);
expect(Utils.isIterable('test')).toBe(true);
- expect(Utils.isIterable(null)).toBe(false);
expect(Utils.isIterable(undefined)).toBe(false);
+ expect(Utils.isIterable(null)).toBe(false);
expect(Utils.isIterable(0)).toBe(false);
- expect(Utils.isIterable({})).toBe(false);
+ expect(Utils.isIterable([0, 1])).toBe(true);
expect(Utils.isIterable({ 1: 1 })).toBe(false);
- expect(Utils.isIterable([])).toBe(true);
expect(Utils.isIterable(new Map())).toBe(true);
expect(Utils.isIterable(new Set())).toBe(true);
expect(Utils.isIterable(new WeakMap())).toBe(false);
expect(Utils.isEmptyString('test')).toBe(false);
expect(Utils.isEmptyString(' test')).toBe(false);
expect(Utils.isEmptyString('test ')).toBe(false);
- expect(Utils.isEmptyString(null)).toBe(false);
- expect(Utils.isEmptyString(undefined)).toBe(false);
+ expect(Utils.isEmptyString(undefined)).toBe(true);
+ expect(Utils.isEmptyString(null)).toBe(true);
expect(Utils.isEmptyString(0)).toBe(false);
expect(Utils.isEmptyString({})).toBe(false);
expect(Utils.isEmptyString([])).toBe(false);
expect(Utils.isEmptyString(new WeakSet())).toBe(false);
});
+ it('Verify isNotEmptyString()', () => {
+ expect(Utils.isNotEmptyString('')).toBe(false);
+ expect(Utils.isNotEmptyString(' ')).toBe(false);
+ expect(Utils.isNotEmptyString(' ')).toBe(false);
+ expect(Utils.isNotEmptyString('test')).toBe(true);
+ expect(Utils.isNotEmptyString(' test')).toBe(true);
+ expect(Utils.isNotEmptyString('test ')).toBe(true);
+ expect(Utils.isNotEmptyString(undefined)).toBe(false);
+ expect(Utils.isNotEmptyString(null)).toBe(false);
+ expect(Utils.isNotEmptyString(0)).toBe(false);
+ expect(Utils.isNotEmptyString({})).toBe(false);
+ expect(Utils.isNotEmptyString([])).toBe(false);
+ expect(Utils.isNotEmptyString(new Map())).toBe(false);
+ expect(Utils.isNotEmptyString(new Set())).toBe(false);
+ expect(Utils.isNotEmptyString(new WeakMap())).toBe(false);
+ expect(Utils.isNotEmptyString(new WeakSet())).toBe(false);
+ });
+
it('Verify isUndefined()', () => {
expect(Utils.isUndefined(undefined)).toBe(true);
expect(Utils.isUndefined(null)).toBe(false);
});
it('Verify isNullOrUndefined()', () => {
- expect(Utils.isNullOrUndefined(null)).toBe(true);
expect(Utils.isNullOrUndefined(undefined)).toBe(true);
+ expect(Utils.isNullOrUndefined(null)).toBe(true);
expect(Utils.isNullOrUndefined('')).toBe(false);
expect(Utils.isNullOrUndefined(0)).toBe(false);
expect(Utils.isNullOrUndefined({})).toBe(false);
it('Verify isEmptyArray()', () => {
expect(Utils.isEmptyArray([])).toBe(true);
expect(Utils.isEmptyArray([1, 2])).toBe(false);
- expect(Utils.isEmptyArray(null)).toBe(true);
expect(Utils.isEmptyArray(undefined)).toBe(true);
+ expect(Utils.isEmptyArray(null)).toBe(true);
expect(Utils.isEmptyArray('')).toBe(true);
expect(Utils.isEmptyArray('test')).toBe(true);
expect(Utils.isEmptyArray(0)).toBe(true);
it('Verify isEmptyObject()', () => {
expect(Utils.isEmptyObject({})).toBe(true);
expect(Utils.isEmptyObject({ 1: 1, 2: 2 })).toBe(false);
- expect(Utils.isEmptyObject(null)).toBe(false);
expect(Utils.isEmptyObject(undefined)).toBe(false);
+ expect(Utils.isEmptyObject(null)).toBe(false);
expect(Utils.isEmptyObject(new Map())).toBe(false);
expect(Utils.isEmptyObject(new Set())).toBe(false);
expect(Utils.isEmptyObject(new WeakMap())).toBe(false);