fix: rely on worker active ELU in least elu strategy
[poolifier.git] / tests / pools / selection-strategies / selection-strategies.test.js
index d609915842011ebb8651c95c8ae98bf06a5064c3..dbe286b40e5a46f7b262a700f130f4aad1bf82c4 100644 (file)
@@ -6,7 +6,6 @@ const {
   FixedClusterPool
 } = require('../../../lib')
 const { CircularArray } = require('../../../lib/circular-array')
-const TestUtils = require('../../test-utils')
 
 describe('Selection strategies test suite', () => {
   const min = 0
@@ -604,12 +603,16 @@ describe('Selection strategies test suite', () => {
     expect(
       pool.workerChoiceStrategyContext.getTaskStatisticsRequirements()
     ).toStrictEqual({
-      runTime: false,
-      avgRunTime: false,
-      medRunTime: false,
-      waitTime: false,
-      avgWaitTime: false,
-      medWaitTime: false,
+      runTime: {
+        aggregate: false,
+        average: false,
+        median: false
+      },
+      waitTime: {
+        aggregate: false,
+        average: false,
+        median: false
+      },
       elu: true
     })
     await pool.destroy()
@@ -622,12 +625,16 @@ describe('Selection strategies test suite', () => {
     expect(
       pool.workerChoiceStrategyContext.getTaskStatisticsRequirements()
     ).toStrictEqual({
-      runTime: false,
-      avgRunTime: false,
-      medRunTime: false,
-      waitTime: false,
-      avgWaitTime: false,
-      medWaitTime: false,
+      runTime: {
+        aggregate: false,
+        average: false,
+        median: false
+      },
+      waitTime: {
+        aggregate: false,
+        average: false,
+        median: false
+      },
       elu: true
     })
     // We need to clean up the resources after our test
@@ -641,11 +648,12 @@ describe('Selection strategies test suite', () => {
       { workerChoiceStrategy: WorkerChoiceStrategies.LEAST_ELU }
     )
     // TODO: Create a better test to cover `LeastEluWorkerChoiceStrategy#choose`
+    const promises = new Set()
     const maxMultiplier = 2
     for (let i = 0; i < max * maxMultiplier; i++) {
-      await pool.execute()
-      if (i !== max * maxMultiplier - 1) await TestUtils.sleep(500)
+      promises.add(pool.execute())
     }
+    await Promise.all(promises)
     for (const workerNode of pool.workerNodes) {
       const expectedWorkerUsage = {
         tasks: {
@@ -655,13 +663,72 @@ describe('Selection strategies test suite', () => {
           failed: 0
         },
         runTime: {
-          aggregation: 0,
+          aggregate: 0,
           average: 0,
           median: 0,
           history: expect.any(CircularArray)
         },
         waitTime: {
-          aggregation: 0,
+          aggregate: 0,
+          average: 0,
+          median: 0,
+          history: expect.any(CircularArray)
+        }
+      }
+      if (workerNode.workerUsage.elu === undefined) {
+        expect(workerNode.workerUsage).toStrictEqual({
+          ...expectedWorkerUsage,
+          elu: undefined
+        })
+      } else {
+        expect(workerNode.workerUsage).toStrictEqual({
+          ...expectedWorkerUsage,
+          elu: {
+            active: expect.any(Number),
+            idle: 0,
+            utilization: 1
+          }
+        })
+      }
+      expect(workerNode.workerUsage.tasks.executed).toBeGreaterThanOrEqual(0)
+      expect(workerNode.workerUsage.tasks.executed).toBeLessThanOrEqual(
+        max * maxMultiplier
+      )
+    }
+    // We need to clean up the resources after our test
+    await pool.destroy()
+  })
+
+  it('Verify LEAST_ELU strategy can be run in a dynamic pool', async () => {
+    const pool = new DynamicThreadPool(
+      min,
+      max,
+      './tests/worker-files/thread/testWorker.js',
+      { workerChoiceStrategy: WorkerChoiceStrategies.LEAST_ELU }
+    )
+    // TODO: Create a better test to cover `LeastEluWorkerChoiceStrategy#choose`
+    const promises = new Set()
+    const maxMultiplier = 2
+    for (let i = 0; i < max * maxMultiplier; i++) {
+      promises.add(pool.execute())
+    }
+    await Promise.all(promises)
+    for (const workerNode of pool.workerNodes) {
+      const expectedWorkerUsage = {
+        tasks: {
+          executed: expect.any(Number),
+          executing: 0,
+          queued: 0,
+          failed: 0
+        },
+        runTime: {
+          aggregate: 0,
+          average: 0,
+          median: 0,
+          history: expect.any(CircularArray)
+        },
+        waitTime: {
+          aggregate: 0,
           average: 0,
           median: 0,
           history: expect.any(CircularArray)