fix(simulator): fix mocha tests

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

diff --git a/src/utils/Utils.ts b/src/utils/Utils.ts
index 86b0daa2d57a15a8f4f9893e28e49899b34b6eb1..f701cea041ab831d1b1ff323123e02c60b69b11b 100644 (file)
--- a/src/utils/Utils.ts
+++ b/src/utils/Utils.ts
@@ -1,17 +1,20 @@
-import crypto from 'crypto';
+import crypto from 'node:crypto';
+import util from 'node:util';
 
 import clone from 'just-clone';
 
-import { WebSocketCloseEventStatusString } from '../types/WebSocket';
+// import { Constants } from './internal';
+import { Constants } from './Constants';
+import { WebSocketCloseEventStatusString } from '../types';
 
-export default class Utils {
+export class Utils {
   private constructor() {
     // This is intentional
   }
 
-  public static logPrefix(prefixString = ''): string {
-    return new Date().toLocaleString() + prefixString;
-  }
+  public static logPrefix = (prefixString = ''): string => {
+    return `${new Date().toLocaleString()}${prefixString}`;
+  };
 
   public static generateUUID(): string {
     return crypto.randomUUID();
@@ -37,15 +40,15 @@ export default class Utils {
     let secondsStr = seconds.toString();
 
     if (hours < 10) {
-      hoursStr = '0' + hours.toString();
+      hoursStr = `0${hours.toString()}`;
     }
     if (minutes < 10) {
-      minutesStr = '0' + minutes.toString();
+      minutesStr = `0${minutes.toString()}`;
     }
     if (seconds < 10) {
-      secondsStr = '0' + seconds.toString();
+      secondsStr = `0${seconds.toString()}`;
     }
-    return hoursStr + ':' + minutesStr + ':' + secondsStr.substring(0, 6);
+    return `${hoursStr}:${minutesStr}:${secondsStr.substring(0, 6)}`;
   }
 
   public static formatDurationSeconds(duration: number): string {
@@ -119,25 +122,23 @@ export default class Utils {
     return result;
   }
 
-  public static getRandomFloat(max = Number.MAX_VALUE, min = 0, negative = false): number {
-    if (max < min || max < 0 || min < 0) {
+  public static getRandomFloat(max = Number.MAX_VALUE, min = 0): number {
+    if (max < min) {
       throw new RangeError('Invalid interval');
     }
-    const randomPositiveFloat = crypto.randomBytes(4).readUInt32LE() / 0xffffffff;
-    const sign = negative && randomPositiveFloat < 0.5 ? -1 : 1;
-    return sign * (randomPositiveFloat * (max - min) + min);
-  }
-
-  public static getRandomInteger(max = Number.MAX_SAFE_INTEGER, min = 0): number {
-    if (max < min || max < 0 || min < 0) {
+    if (max - min === Infinity) {
       throw new RangeError('Invalid interval');
     }
+    return (crypto.randomBytes(4).readUInt32LE() / 0xffffffff) * (max - min) + min;
+  }
+
+  public static getRandomInteger(max = Constants.MAX_RANDOM_INTEGER, min = 0): number {
     max = Math.floor(max);
     if (!Utils.isNullOrUndefined(min) && min !== 0) {
       min = Math.ceil(min);
-      return Math.floor(Utils.secureRandom() * (max - min + 1)) + min;
+      return Math.floor(crypto.randomInt(min, max + 1));
     }
-    return Math.floor(Utils.secureRandom() * (max + 1));
+    return Math.floor(crypto.randomInt(max + 1));
   }
 
   public static roundTo(numberValue: number, scale: number): number {
@@ -185,8 +186,16 @@ export default class Utils {
     return clone<T>(object);
   }
 
+  public static hasOwnProp(object: unknown, property: PropertyKey): boolean {
+    return Utils.isObject(object) && Object.hasOwn(object as object, property);
+  }
+
+  public static isCFEnvironment(): boolean {
+    return process.env.VCAP_APPLICATION !== undefined;
+  }
+
   public static isIterable<T>(obj: T): boolean {
-    return obj ? typeof obj[Symbol.iterator] === 'function' : false;
+    return !Utils.isNullOrUndefined(obj) ? typeof obj[Symbol.iterator] === 'function' : false;
   }
 
   public static isString(value: unknown): boolean {
@@ -194,26 +203,37 @@ export default class Utils {
   }
 
   public static isEmptyString(value: unknown): boolean {
-    return Utils.isString(value) && (value as string).trim().length === 0;
+    return (
+      Utils.isNullOrUndefined(value) ||
+      (Utils.isString(value) && (value as string).trim().length === 0)
+    );
+  }
+
+  public static isNotEmptyString(value: unknown): boolean {
+    return Utils.isString(value) && (value as string).trim().length > 0;
   }
 
   public static isUndefined(value: unknown): boolean {
-    return typeof value === 'undefined';
+    return value === undefined;
   }
 
   public static isNullOrUndefined(value: unknown): boolean {
     // eslint-disable-next-line eqeqeq, no-eq-null
-    return value == null ? true : false;
+    return value == null;
   }
 
   public static isEmptyArray(object: unknown | unknown[]): boolean {
-    if (!Array.isArray(object)) {
+    if (Array.isArray(object) && object.length === 0) {
       return true;
     }
-    if (object.length > 0) {
-      return false;
+    return false;
+  }
+
+  public static isNotEmptyArray(object: unknown | unknown[]): boolean {
+    if (Array.isArray(object) && object.length > 0) {
+      return true;
     }
-    return true;
+    return false;
   }
 
   public static isEmptyObject(obj: object): boolean {
@@ -241,6 +261,10 @@ export default class Utils {
     return delay + randomSum;
   }
 
+  public static isPromisePending(promise: Promise<unknown>): boolean {
+    return util.inspect(promise).includes('pending');
+  }
+
   public static async promiseWithTimeout<T>(
     promise: Promise<T>,
     timeoutMs: number,
@@ -252,7 +276,10 @@ export default class Utils {
     // Create a timeout promise that rejects in timeout milliseconds
     const timeoutPromise = new Promise<never>((_, reject) => {
       setTimeout(() => {
-        timeoutCallback();
+        if (Utils.isPromisePending(promise)) {
+          timeoutCallback();
+          // FIXME: The original promise shall be canceled
+        }
         reject(timeoutError);
       }, timeoutMs);
     });