test: improve worker code coverage

[poolifier.git] / src / worker / cluster-worker.ts

diff --git a/src/worker/cluster-worker.ts b/src/worker/cluster-worker.ts
index f551447ee411490904a8a41977be0dc13da520b1..26964aa489f83fff90f8e4306c3dc1bbafc36f23 100644 (file)
--- a/src/worker/cluster-worker.ts
+++ b/src/worker/cluster-worker.ts
@@ -1,9 +1,8 @@
-import type { Worker } from 'cluster'
-import cluster from 'cluster'
+import cluster, { type Worker } from 'node:cluster'
 import type { MessageValue } from '../utility-types'
-import { EMPTY_OBJECT_LITERAL } from '../utils'
 import { AbstractWorker } from './abstract-worker'
 import type { WorkerOptions } from './worker-options'
+import type { TaskFunction, TaskFunctions } from './task-functions'
 
 /**
  * A cluster worker used by a poolifier `ClusterPool`.
@@ -14,8 +13,8 @@ import type { WorkerOptions } from './worker-options'
  * If you use a `DynamicClusterPool` the extra workers that were created will be terminated,
  * but the minimum number of workers will be guaranteed.
  *
- * @typeParam Data - Type of data this worker receives from pool's execution. This can only be serializable data.
- * @typeParam Response - Type of response the worker sends back to the main worker. This can only be serializable data.
+ * @typeParam Data - Type of data this worker receives from pool's execution. This can only be structured-cloneable data.
+ * @typeParam Response - Type of response the worker sends back to the main worker. This can only be structured-cloneable data.
  * @author [Christopher Quadflieg](https://github.com/Shinigami92)
  * @since 2.0.0
  */
@@ -26,29 +25,49 @@ export class ClusterWorker<
   /**
    * Constructs a new poolifier cluster worker.
    *
-   * @param fn - Function processed by the worker when the pool's `execution` function is invoked.
+   * @param taskFunctions - Task function(s) processed by the worker when the pool's `execution` function is invoked.
    * @param opts - Options for the worker.
    */
   public constructor (
-    fn: (data: Data) => Response,
-    opts: WorkerOptions = EMPTY_OBJECT_LITERAL
+    taskFunctions: TaskFunction<Data, Response> | TaskFunctions<Data, Response>,
+    opts: WorkerOptions = {}
   ) {
     super(
       'worker-cluster-pool:poolifier',
       cluster.isPrimary,
-      fn,
-      cluster.worker,
+      cluster.worker as Worker,
+      taskFunctions,
       opts
     )
   }
 
-  /** {@inheritDoc} */
-  protected sendToMainWorker (message: MessageValue<Response>): void {
-    this.getMainWorker().send(message)
+  /** @inheritDoc */
+  protected handleReadyMessage (message: MessageValue<Data>): void {
+    if (message.workerId === this.id && message.ready === false) {
+      try {
+        this.getMainWorker().on('message', this.messageListener.bind(this))
+        this.sendToMainWorker({
+          ready: true,
+          taskFunctions: this.listTaskFunctions(),
+          workerId: this.id
+        })
+      } catch {
+        this.sendToMainWorker({
+          ready: false,
+          taskFunctions: this.listTaskFunctions(),
+          workerId: this.id
+        })
+      }
+    }
+  }
+
+  /** @inheritDoc */
+  protected get id (): number {
+    return this.getMainWorker().id
   }
 
-  /** {@inheritDoc} */
-  protected handleError (e: Error | string): string {
-    return e instanceof Error ? e.message : e
+  /** @inheritDoc */
+  protected sendToMainWorker (message: MessageValue<Response>): void {
+    this.getMainWorker().send(message)
   }
 }