refactor: cleanup exit codes

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

diff --git a/test/utils/Utils.test.ts b/test/utils/Utils.test.ts
index 8804e577bb73a81c89fd80f2fa9640a547d6c015..1e0cff5a9d2a77ad7704e29d2387321aa32ee08c 100644 (file)
--- a/test/utils/Utils.test.ts
+++ b/test/utils/Utils.test.ts
@@ -26,6 +26,9 @@ import {
   isObject,
   isUndefined,
   isValidTime,
+  max,
+  min,
+  once,
   roundTo,
   secureRandom,
   sleep,
@@ -48,8 +51,8 @@ describe('Utils test suite', () => {
   it('Verify sleep()', async () => {
     const start = performance.now();
     await sleep(1000);
-    const end = performance.now();
-    expect(end - start).toBeGreaterThanOrEqual(1000);
+    const stop = performance.now();
+    expect(stop - start).toBeGreaterThanOrEqual(1000);
   });
 
   it('Verify formatDurationMilliSeconds()', () => {
@@ -88,8 +91,6 @@ describe('Utils test suite', () => {
     expect(() => convertToDate('00:70:61')).toThrowError(
       new Error("Cannot convert to date: '00:70:61'"),
     );
-    expect(convertToDate('0')).toStrictEqual(new Date('1999-12-31T23:00:00.000Z'));
-    expect(convertToDate('-1')).toStrictEqual(new Date('2000-12-31T23:00:00.000Z'));
     expect(convertToDate(0)).toStrictEqual(new Date('1970-01-01T00:00:00.000Z'));
     expect(convertToDate(-1)).toStrictEqual(new Date('1969-12-31T23:59:59.999Z'));
     const dateStr = '2020-01-01T00:00:00.000Z';
@@ -190,11 +191,11 @@ describe('Utils test suite', () => {
     randomInteger = getRandomInteger(2, 1);
     expect(randomInteger).toBeGreaterThanOrEqual(1);
     expect(randomInteger).toBeLessThanOrEqual(2);
-    const max = 2.2,
-      min = 1.1;
-    randomInteger = getRandomInteger(max, min);
-    expect(randomInteger).toBeGreaterThanOrEqual(Math.ceil(min));
-    expect(randomInteger).toBeLessThanOrEqual(Math.floor(max));
+    const maximum = 2.2,
+      minimum = 1.1;
+    randomInteger = getRandomInteger(maximum, minimum);
+    expect(randomInteger).toBeLessThanOrEqual(Math.floor(maximum));
+    expect(randomInteger).toBeGreaterThanOrEqual(Math.ceil(minimum));
   });
 
   it('Verify roundTo()', () => {
@@ -433,4 +434,35 @@ describe('Utils test suite', () => {
     expect(isArraySorted<number>([1, 2, 3, 5, 4], (a, b) => a - b)).toBe(false);
     expect(isArraySorted<number>([2, 1, 3, 4, 5], (a, b) => a - b)).toBe(false);
   });
+
+  it('Verify once()', () => {
+    let called = 0;
+    const fn = () => ++called;
+    const onceFn = once(fn, this);
+    const result1 = onceFn();
+    expect(called).toBe(1);
+    expect(result1).toBe(1);
+    const result2 = onceFn();
+    expect(called).toBe(1);
+    expect(result2).toBe(1);
+    const result3 = onceFn();
+    expect(called).toBe(1);
+    expect(result3).toBe(1);
+  });
+
+  it('Verify min()', () => {
+    expect(min()).toBe(Infinity);
+    expect(min(0, 1)).toBe(0);
+    expect(min(1, 0)).toBe(0);
+    expect(min(0, -1)).toBe(-1);
+    expect(min(-1, 0)).toBe(-1);
+  });
+
+  it('Verify max()', () => {
+    expect(max()).toBe(-Infinity);
+    expect(max(0, 1)).toBe(1);
+    expect(max(1, 0)).toBe(1);
+    expect(max(0, -1)).toBe(0);
+    expect(max(-1, 0)).toBe(0);
+  });
 });