test: improve coverage

[poolifier.git] / src / pools / selection-strategies / weighted-round-robin-worker-choice-strategy.ts

diff --git a/src/pools/selection-strategies/weighted-round-robin-worker-choice-strategy.ts b/src/pools/selection-strategies/weighted-round-robin-worker-choice-strategy.ts
index 701e51656366369abadb22edcadca5c3e03c90fe..b9b74b6cb96634f665628d1032fd0b37a83ddef9 100644 (file)
--- a/src/pools/selection-strategies/weighted-round-robin-worker-choice-strategy.ts
+++ b/src/pools/selection-strategies/weighted-round-robin-worker-choice-strategy.ts
@@ -7,7 +7,6 @@ import {
 import { AbstractWorkerChoiceStrategy } from './abstract-worker-choice-strategy'
 import type {
   IWorkerChoiceStrategy,
-  StrategyPolicy,
   TaskStatisticsRequirements,
   WorkerChoiceStrategyOptions
 } from './selection-strategies-types'
@@ -27,12 +26,6 @@ export class WeightedRoundRobinWorkerChoiceStrategy<
   >
   extends AbstractWorkerChoiceStrategy<Worker, Data, Response>
   implements IWorkerChoiceStrategy {
-  /** @inheritDoc */
-  public readonly strategyPolicy: StrategyPolicy = {
-    dynamicWorkerUsage: false,
-    dynamicWorkerReady: true
-  }
-
   /** @inheritDoc */
   public readonly taskStatisticsRequirements: TaskStatisticsRequirements = {
     runTime: {
@@ -49,9 +42,9 @@ export class WeightedRoundRobinWorkerChoiceStrategy<
    */
   private readonly defaultWorkerWeight: number
   /**
-   * Worker virtual task runtime.
+   * Worker node virtual task runtime.
    */
-  private workerVirtualTaskRunTime: number = 0
+  private workerNodeVirtualTaskRunTime: number = 0
 
   /** @inheritDoc */
   public constructor (
@@ -65,8 +58,8 @@ export class WeightedRoundRobinWorkerChoiceStrategy<
 
   /** @inheritDoc */
   public reset (): boolean {
-    this.nextWorkerNodeKey = 0
-    this.workerVirtualTaskRunTime = 0
+    this.resetWorkerNodeKeyProperties()
+    this.workerNodeVirtualTaskRunTime = 0
     return true
   }
 
@@ -77,39 +70,39 @@ export class WeightedRoundRobinWorkerChoiceStrategy<
 
   /** @inheritDoc */
   public choose (): number | undefined {
-    const chosenWorkerNodeKey = this.nextWorkerNodeKey
-    this.weightedRoundRobinNextWorkerNodeKey()
-    if (!this.isWorkerNodeEligible(this.nextWorkerNodeKey as number)) {
-      this.nextWorkerNodeKey = undefined
-      this.previousWorkerNodeKey =
-        chosenWorkerNodeKey ?? this.previousWorkerNodeKey
-    }
-    return chosenWorkerNodeKey
+    this.setPreviousWorkerNodeKey(this.nextWorkerNodeKey)
+    return this.weightedRoundRobinNextWorkerNodeKey()
   }
 
   /** @inheritDoc */
   public remove (workerNodeKey: number): boolean {
+    if (this.pool.workerNodes.length === 0) {
+      this.reset()
+    }
     if (this.nextWorkerNodeKey === workerNodeKey) {
-      if (this.pool.workerNodes.length === 0) {
-        this.nextWorkerNodeKey = 0
-      } else if (this.nextWorkerNodeKey > this.pool.workerNodes.length - 1) {
+      this.workerNodeVirtualTaskRunTime = 0
+      if (this.nextWorkerNodeKey > this.pool.workerNodes.length - 1) {
         this.nextWorkerNodeKey = this.pool.workerNodes.length - 1
       }
-      this.workerVirtualTaskRunTime = 0
+    }
+    if (
+      this.previousWorkerNodeKey === workerNodeKey &&
+      this.previousWorkerNodeKey > this.pool.workerNodes.length - 1
+    ) {
+      this.previousWorkerNodeKey = this.pool.workerNodes.length - 1
     }
     return true
   }
 
   private weightedRoundRobinNextWorkerNodeKey (): number | undefined {
-    const workerVirtualTaskRunTime = this.workerVirtualTaskRunTime
     const workerWeight =
       this.opts.weights?.[
         this.nextWorkerNodeKey ?? this.previousWorkerNodeKey
       ] ?? this.defaultWorkerWeight
-    if (workerVirtualTaskRunTime < workerWeight) {
-      this.workerVirtualTaskRunTime =
-        workerVirtualTaskRunTime +
-        this.getWorkerTaskRunTime(
+    if (this.workerNodeVirtualTaskRunTime < workerWeight) {
+      this.workerNodeVirtualTaskRunTime =
+        this.workerNodeVirtualTaskRunTime +
+        this.getWorkerNodeTaskRunTime(
           this.nextWorkerNodeKey ?? this.previousWorkerNodeKey
         )
     } else {
@@ -117,7 +110,7 @@ export class WeightedRoundRobinWorkerChoiceStrategy<
         this.nextWorkerNodeKey === this.pool.workerNodes.length - 1
           ? 0
           : (this.nextWorkerNodeKey ?? this.previousWorkerNodeKey) + 1
-      this.workerVirtualTaskRunTime = 0
+      this.workerNodeVirtualTaskRunTime = 0
     }
     return this.nextWorkerNodeKey
   }