Ensure number conversion helpers do not return NaN

[e-mobility-charging-stations-simulator.git] / test / utils / UtilsTest.ts

diff --git a/test/utils/UtilsTest.ts b/test/utils/UtilsTest.ts
index bb919294773ec1ff3fc317719ae46bd33cffaab3..45ba4eb03bba02b78277c0cf6998934e89096d50 100644 (file)
--- a/test/utils/UtilsTest.ts
+++ b/test/utils/UtilsTest.ts
@@ -22,6 +22,80 @@ describe('Utils test suite', () => {
     expect(end - start).toBeGreaterThanOrEqual(1000);
   });
 
+  it('Verify convertToDate()', () => {
+    expect(Utils.convertToDate(undefined)).toBe(undefined);
+    expect(Utils.convertToDate(null)).toBe(null);
+    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'));
+    const dateStr = '2020-01-01T00:00:00.000Z';
+    let date = Utils.convertToDate(dateStr);
+    expect(date).toBeInstanceOf(Date);
+    expect(date).toStrictEqual(new Date(dateStr));
+    date = Utils.convertToDate(new Date(dateStr));
+    expect(date).toBeInstanceOf(Date);
+    expect(date).toStrictEqual(new Date(dateStr));
+  });
+
+  it('Verify convertToInt()', () => {
+    expect(Utils.convertToInt(undefined)).toBe(0);
+    expect(Utils.convertToInt(null)).toBe(0);
+    expect(Utils.convertToInt(0)).toBe(0);
+    const randomInteger = Utils.getRandomInteger();
+    expect(Utils.convertToInt(randomInteger)).toEqual(randomInteger);
+    expect(Utils.convertToInt('-1')).toBe(-1);
+    expect(Utils.convertToInt('1')).toBe(1);
+    expect(Utils.convertToInt('1.1')).toBe(1);
+    expect(Utils.convertToInt('1.9')).toBe(1);
+    expect(Utils.convertToInt('1.999')).toBe(1);
+    expect(Utils.convertToInt(-1)).toBe(-1);
+    expect(Utils.convertToInt(1)).toBe(1);
+    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(undefined)).toBe(0);
+    expect(Utils.convertToFloat(null)).toBe(0);
+    expect(Utils.convertToFloat(0)).toBe(0);
+    const randomFloat = Utils.getRandomFloat();
+    expect(Utils.convertToFloat(randomFloat)).toEqual(randomFloat);
+    expect(Utils.convertToFloat('-1')).toBe(-1);
+    expect(Utils.convertToFloat('1')).toBe(1);
+    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(-1)).toBe(-1);
+    expect(Utils.convertToFloat(1)).toBe(1);
+    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()', () => {
+    expect(Utils.convertToBoolean(undefined)).toBe(false);
+    expect(Utils.convertToBoolean(null)).toBe(false);
+    expect(Utils.convertToBoolean('true')).toBe(true);
+    expect(Utils.convertToBoolean('false')).toBe(false);
+    expect(Utils.convertToBoolean('TRUE')).toBe(true);
+    expect(Utils.convertToBoolean('FALSE')).toBe(false);
+    expect(Utils.convertToBoolean('1')).toBe(true);
+    expect(Utils.convertToBoolean('0')).toBe(false);
+    expect(Utils.convertToBoolean(1)).toBe(true);
+    expect(Utils.convertToBoolean(0)).toBe(false);
+    expect(Utils.convertToBoolean(true)).toBe(true);
+    expect(Utils.convertToBoolean(false)).toBe(false);
+    expect(Utils.convertToBoolean('')).toBe(false);
+    expect(Utils.convertToBoolean('NoNBoolean')).toBe(false);
+  });
+
   it('Verify secureRandom()', () => {
     const random = Utils.secureRandom();
     expect(typeof random === 'number').toBe(true);
@@ -30,23 +104,36 @@ describe('Utils test suite', () => {
   });
 
   it('Verify getRandomInteger()', () => {
-    const randomInteger = Utils.getRandomInteger();
+    let randomInteger = Utils.getRandomInteger();
     expect(Number.isSafeInteger(randomInteger)).toBe(true);
     expect(randomInteger).toBeGreaterThanOrEqual(0);
     expect(randomInteger).toBeLessThanOrEqual(Number.MAX_SAFE_INTEGER);
+    expect(randomInteger).not.toEqual(Utils.getRandomInteger());
     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'));
+    randomInteger = Utils.getRandomInteger(2, 1);
+    expect(randomInteger).toBeGreaterThanOrEqual(1);
+    expect(randomInteger).toBeLessThanOrEqual(2);
+    const max = 2.2,
+      min = 1.1;
+    randomInteger = Utils.getRandomInteger(max, min);
+    expect(randomInteger).toBeGreaterThanOrEqual(Math.ceil(min));
+    expect(randomInteger).toBeLessThanOrEqual(Math.floor(max));
   });
 
   it('Verify getRandomFloat()', () => {
-    const randomFloat = Utils.getRandomFloat();
+    let randomFloat = Utils.getRandomFloat();
     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'));
+    randomFloat = Utils.getRandomFloat(Number.MAX_VALUE, 0, true);
+    expect(randomFloat).toBeGreaterThanOrEqual(-Number.MAX_VALUE);
+    expect(randomFloat).toBeLessThanOrEqual(Number.MAX_VALUE);
   });
 
   it('Verify isIterable()', () => {
@@ -83,6 +170,19 @@ describe('Utils test suite', () => {
     expect(Utils.isEmptyString(new WeakSet())).toBe(false);
   });
 
+  it('Verify isUndefined()', () => {
+    expect(Utils.isUndefined(undefined)).toBe(true);
+    expect(Utils.isUndefined(null)).toBe(false);
+    expect(Utils.isUndefined('')).toBe(false);
+    expect(Utils.isUndefined(0)).toBe(false);
+    expect(Utils.isUndefined({})).toBe(false);
+    expect(Utils.isUndefined([])).toBe(false);
+    expect(Utils.isUndefined(new Map())).toBe(false);
+    expect(Utils.isUndefined(new Set())).toBe(false);
+    expect(Utils.isUndefined(new WeakMap())).toBe(false);
+    expect(Utils.isUndefined(new WeakSet())).toBe(false);
+  });
+
   it('Verify isNullOrUndefined()', () => {
     expect(Utils.isNullOrUndefined(null)).toBe(true);
     expect(Utils.isNullOrUndefined(undefined)).toBe(true);
@@ -99,14 +199,16 @@ describe('Utils test suite', () => {
   it('Verify isEmptyArray()', () => {
     expect(Utils.isEmptyArray([])).toBe(true);
     expect(Utils.isEmptyArray([1, 2])).toBe(false);
-    expect(Utils.isEmptyArray(null)).toBe(false);
-    expect(Utils.isEmptyArray(undefined)).toBe(false);
-    expect(Utils.isEmptyArray('')).toBe(false);
-    expect(Utils.isEmptyArray('test')).toBe(false);
-    expect(Utils.isEmptyArray(0)).toBe(false);
-    expect(Utils.isEmptyArray({})).toBe(false);
-    expect(Utils.isEmptyArray(new Map())).toBe(false);
-    expect(Utils.isEmptyArray(new Set())).toBe(false);
+    expect(Utils.isEmptyArray(null)).toBe(true);
+    expect(Utils.isEmptyArray(undefined)).toBe(true);
+    expect(Utils.isEmptyArray('')).toBe(true);
+    expect(Utils.isEmptyArray('test')).toBe(true);
+    expect(Utils.isEmptyArray(0)).toBe(true);
+    expect(Utils.isEmptyArray({})).toBe(true);
+    expect(Utils.isEmptyArray(new Map())).toBe(true);
+    expect(Utils.isEmptyArray(new Set())).toBe(true);
+    expect(Utils.isEmptyArray(new WeakMap())).toBe(true);
+    expect(Utils.isEmptyArray(new WeakSet())).toBe(true);
   });
 
   it('Verify isEmptyObject()', () => {