From 9e619829e79d59d19b11f19ddbb9efe51277da9d Mon Sep 17 00:00:00 2001
From: =?utf8?q?J=C3=A9r=C3=B4me=20Benoit?= <jerome.benoit@sap.com>
Date: Wed, 12 Oct 2022 00:02:00 +0200
Subject: [PATCH] Test: Verify that worker pool tasks usage are reset at worker
 choice strategy change, take2
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Signed-off-by: Jérôme Benoit <jerome.benoit@sap.com>
---
 tests/pools/abstract/abstract-pool.test.js | 29 +++++++++++++++++++++-
 1 file changed, 28 insertions(+), 1 deletion(-)

diff --git a/tests/pools/abstract/abstract-pool.test.js b/tests/pools/abstract/abstract-pool.test.js
index 0b33e36b..e1c83b6f 100644
--- a/tests/pools/abstract/abstract-pool.test.js
+++ b/tests/pools/abstract/abstract-pool.test.js
@@ -1,6 +1,7 @@
 const { expect } = require('expect')
 const {
   FixedClusterPool,
+  DynamicThreadPool,
   FixedThreadPool,
   WorkerChoiceStrategies
 } = require('../../../lib/index')
@@ -233,7 +234,7 @@ describe('Abstract pool test suite', () => {
   })
 
   it('Verify that worker pool tasks usage are reset at worker choice strategy change', async () => {
-    const pool = new FixedThreadPool(
+    let pool = new FixedThreadPool(
       numberOfWorkers,
       './tests/worker-files/thread/testWorker.js'
     )
@@ -258,6 +259,32 @@ describe('Abstract pool test suite', () => {
       expect(tasksUsage.avgRunTime).toBe(0)
     }
     await pool.destroy()
+    pool = new DynamicThreadPool(
+      numberOfWorkers,
+      numberOfWorkers,
+      './tests/worker-files/thread/testWorker.js'
+    )
+    promises.length = 0
+    for (let i = 0; i < numberOfWorkers * 2; i++) {
+      promises.push(pool.execute())
+    }
+    await Promise.all(promises)
+    for (const tasksUsage of pool.workersTasksUsage.values()) {
+      expect(tasksUsage).toBeDefined()
+      expect(tasksUsage.run).toBe(numberOfWorkers * 2)
+      expect(tasksUsage.running).toBe(0)
+      expect(tasksUsage.runTime).toBeGreaterThanOrEqual(0)
+      expect(tasksUsage.avgRunTime).toBeGreaterThanOrEqual(0)
+    }
+    pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.FAIR_SHARE)
+    for (const tasksUsage of pool.workersTasksUsage.values()) {
+      expect(tasksUsage).toBeDefined()
+      expect(tasksUsage.run).toBe(0)
+      expect(tasksUsage.running).toBe(0)
+      expect(tasksUsage.runTime).toBe(0)
+      expect(tasksUsage.avgRunTime).toBe(0)
+    }
+    await pool.destroy()
   })
 
   it("Verify that pool event emitter 'busy' event can register a callback", async () => {
-- 
2.34.1