test: improve statistic helpers tests

[e-mobility-charging-stations-simulator.git] / src / worker / WorkerAbstract.ts

diff --git a/src/worker/WorkerAbstract.ts b/src/worker/WorkerAbstract.ts
index 12cc7c735f257ed624c8de35d5198865361edec7..16d566bde2ae60049fe401c7f13f830af4ce17dd 100644 (file)
--- a/src/worker/WorkerAbstract.ts
+++ b/src/worker/WorkerAbstract.ts
@@ -1,28 +1,41 @@
-import { WorkerData, WorkerOptions } from '../types/Worker';
+import fs from 'node:fs';
 
-import Constants from '../utils/Constants';
+import { WorkerConstants } from './WorkerConstants';
+import type { WorkerData, WorkerOptions } from './WorkerTypes';
 
-export default abstract class WorkerAbstract<T extends WorkerData> {
+export abstract class WorkerAbstract<T extends WorkerData> {
   protected readonly workerScript: string;
   protected readonly workerOptions: WorkerOptions;
   public abstract readonly size: number;
-  public abstract readonly maxElementsPerWorker: number | null;
+  public abstract readonly maxElementsPerWorker: number | undefined;
 
   /**
    * `WorkerAbstract` constructor.
    *
-   * @param workerScript
-   * @param workerOptions
+   * @param workerScript -
+   * @param workerOptions -
    */
-  constructor(workerScript: string, workerOptions: WorkerOptions = {
-    workerStartDelay: Constants.WORKER_START_DELAY,
-    elementStartDelay: Constants.ELEMENT_START_DELAY,
-    poolMinSize: Constants.DEFAULT_WORKER_POOL_MIN_SIZE,
-    poolMaxSize: Constants.DEFAULT_WORKER_POOL_MAX_SIZE,
-    elementsPerWorker: Constants.DEFAULT_CHARGING_STATIONS_PER_WORKER,
-    poolOptions: {},
-    messageHandler: () => { /* This is intentional */ }
-  }) {
+  constructor(
+    workerScript: string,
+    workerOptions: WorkerOptions = {
+      workerStartDelay: WorkerConstants.DEFAULT_WORKER_START_DELAY,
+      elementStartDelay: WorkerConstants.DEFAULT_ELEMENT_START_DELAY,
+      poolMinSize: WorkerConstants.DEFAULT_POOL_MIN_SIZE,
+      poolMaxSize: WorkerConstants.DEFAULT_POOL_MAX_SIZE,
+      elementsPerWorker: WorkerConstants.DEFAULT_ELEMENTS_PER_WORKER,
+      poolOptions: {},
+      messageHandler: WorkerConstants.EMPTY_FUNCTION,
+    }
+  ) {
+    if (workerScript === null || workerScript === undefined) {
+      throw new Error('Worker script is not defined');
+    }
+    if (typeof workerScript === 'string' && workerScript.trim().length === 0) {
+      throw new Error('Worker script is empty');
+    }
+    if (!fs.existsSync(workerScript)) {
+      throw new Error('Worker script file does not exist');
+    }
     this.workerScript = workerScript;
     this.workerOptions = workerOptions;
   }