perf: use a single map to store pool workers and their related data
[poolifier.git] / tests / pools / selection-strategies / selection-strategies.test.js
index 49e87a92dcd1649878c7d5659c4aac1ed5928db7..c55b971edb8a9ed3e47ccae1db4b0deff206b08b 100644 (file)
@@ -2,7 +2,8 @@ const { expect } = require('expect')
 const {
   WorkerChoiceStrategies,
   DynamicThreadPool,
-  FixedThreadPool
+  FixedThreadPool,
+  FixedClusterPool
 } = require('../../../lib/index')
 
 describe('Selection strategies test suite', () => {
@@ -31,6 +32,22 @@ describe('Selection strategies test suite', () => {
     await pool.destroy()
   })
 
+  it('Verify ROUND_ROBIN strategy is taken at pool creation', async () => {
+    const pool = new FixedThreadPool(
+      max,
+      './tests/worker-files/thread/testWorker.js',
+      { workerChoiceStrategy: WorkerChoiceStrategies.ROUND_ROBIN }
+    )
+    expect(pool.opts.workerChoiceStrategy).toBe(
+      WorkerChoiceStrategies.ROUND_ROBIN
+    )
+    expect(
+      pool.workerChoiceStrategyContext.getWorkerChoiceStrategy().nextWorkerId
+    ).toBe(0)
+    // We need to clean up the resources after our test
+    await pool.destroy()
+  })
+
   it('Verify ROUND_ROBIN strategy can be set after pool creation', async () => {
     const pool = new DynamicThreadPool(
       min,
@@ -109,6 +126,59 @@ describe('Selection strategies test suite', () => {
     await pool.destroy()
   })
 
+  it('Verify ROUND_ROBIN strategy runtime behavior', async () => {
+    let pool = new FixedClusterPool(
+      max,
+      './tests/worker-files/cluster/testWorker.js'
+    )
+    let results = new Set()
+    for (let i = 0; i < max; i++) {
+      results.add(pool.chooseWorker().id)
+    }
+    expect(results.size).toBe(max)
+    await pool.destroy()
+    pool = new FixedThreadPool(max, './tests/worker-files/thread/testWorker.js')
+    results = new Set()
+    for (let i = 0; i < max; i++) {
+      results.add(pool.chooseWorker().threadId)
+    }
+    expect(results.size).toBe(max)
+    await pool.destroy()
+  })
+
+  it('Verify ROUND_ROBIN strategy internals are resets after setting it', async () => {
+    let pool = new FixedThreadPool(
+      max,
+      './tests/worker-files/thread/testWorker.js',
+      { workerChoiceStrategy: WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN }
+    )
+    expect(
+      pool.workerChoiceStrategyContext.getWorkerChoiceStrategy().nextWorkerId
+    ).toBeUndefined()
+    pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.ROUND_ROBIN)
+    expect(
+      pool.workerChoiceStrategyContext.getWorkerChoiceStrategy().nextWorkerId
+    ).toBe(0)
+    await pool.destroy()
+    pool = new DynamicThreadPool(
+      min,
+      max,
+      './tests/worker-files/thread/testWorker.js',
+      { workerChoiceStrategy: WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN }
+    )
+    expect(
+      pool.workerChoiceStrategyContext.getWorkerChoiceStrategy()
+        .workerChoiceStrategy.nextWorkerId
+    ).toBeUndefined()
+    pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.ROUND_ROBIN)
+    expect(
+      pool.workerChoiceStrategyContext.getWorkerChoiceStrategy()
+        .workerChoiceStrategy.nextWorkerId
+    ).toBe(0)
+    // We need to clean up the resources after our test
+    await pool.destroy()
+  })
+
   it('Verify LESS_RECENTLY_USED strategy is taken at pool creation', async () => {
     const pool = new FixedThreadPool(
       max,
@@ -202,16 +272,18 @@ describe('Selection strategies test suite', () => {
     expect(pool.opts.workerChoiceStrategy).toBe(
       WorkerChoiceStrategies.FAIR_SHARE
     )
-    for (const worker of pool.workerChoiceStrategyContext.workerChoiceStrategy.workerLastVirtualTaskTimestamp.keys()) {
+    for (const worker of pool.workerChoiceStrategyContext
+      .getWorkerChoiceStrategy()
+      .workerLastVirtualTaskTimestamp.keys()) {
       expect(
-        pool.workerChoiceStrategyContext.workerChoiceStrategy.workerLastVirtualTaskTimestamp.get(
-          worker
-        ).start
+        pool.workerChoiceStrategyContext
+          .getWorkerChoiceStrategy()
+          .workerLastVirtualTaskTimestamp.get(worker).start
       ).toBe(0)
       expect(
-        pool.workerChoiceStrategyContext.workerChoiceStrategy.workerLastVirtualTaskTimestamp.get(
-          worker
-        ).end
+        pool.workerChoiceStrategyContext
+          .getWorkerChoiceStrategy()
+          .workerLastVirtualTaskTimestamp.get(worker).end
       ).toBe(0)
     }
     // We need to clean up the resources after our test
@@ -289,26 +361,28 @@ describe('Selection strategies test suite', () => {
     await pool.destroy()
   })
 
-  it('Verify FAIR_SHARE strategy statistics are resets after setting it', async () => {
+  it('Verify FAIR_SHARE strategy internals are resets after setting it', async () => {
     let pool = new FixedThreadPool(
       max,
       './tests/worker-files/thread/testWorker.js'
     )
     expect(
-      pool.workerChoiceStrategyContext.workerChoiceStrategy
+      pool.workerChoiceStrategyContext.getWorkerChoiceStrategy()
         .workerLastVirtualTaskTimestamp
     ).toBeUndefined()
     pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.FAIR_SHARE)
-    for (const worker of pool.workerChoiceStrategyContext.workerChoiceStrategy.workerLastVirtualTaskTimestamp.keys()) {
+    for (const worker of pool.workerChoiceStrategyContext
+      .getWorkerChoiceStrategy()
+      .workerLastVirtualTaskTimestamp.keys()) {
       expect(
-        pool.workerChoiceStrategyContext.workerChoiceStrategy.workerLastVirtualTaskTimestamp.get(
-          worker
-        ).start
+        pool.workerChoiceStrategyContext
+          .getWorkerChoiceStrategy()
+          .workerLastVirtualTaskTimestamp.get(worker).start
       ).toBe(0)
       expect(
-        pool.workerChoiceStrategyContext.workerChoiceStrategy.workerLastVirtualTaskTimestamp.get(
-          worker
-        ).end
+        pool.workerChoiceStrategyContext
+          .getWorkerChoiceStrategy()
+          .workerLastVirtualTaskTimestamp.get(worker).end
       ).toBe(0)
     }
     await pool.destroy()
@@ -318,20 +392,22 @@ describe('Selection strategies test suite', () => {
       './tests/worker-files/thread/testWorker.js'
     )
     expect(
-      pool.workerChoiceStrategyContext.workerChoiceStrategy.workerChoiceStrategy
-        .workerLastVirtualTaskTimestamp
+      pool.workerChoiceStrategyContext.getWorkerChoiceStrategy()
+        .workerChoiceStrategy.workerLastVirtualTaskTimestamp
     ).toBeUndefined()
     pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.FAIR_SHARE)
-    for (const worker of pool.workerChoiceStrategyContext.workerChoiceStrategy.workerChoiceStrategy.workerLastVirtualTaskTimestamp.keys()) {
+    for (const worker of pool.workerChoiceStrategyContext
+      .getWorkerChoiceStrategy()
+      .workerChoiceStrategy.workerLastVirtualTaskTimestamp.keys()) {
       expect(
-        pool.workerChoiceStrategyContext.workerChoiceStrategy.workerChoiceStrategy.workerLastVirtualTaskTimestamp.get(
-          worker
-        ).start
+        pool.workerChoiceStrategyContext
+          .getWorkerChoiceStrategy()
+          .workerChoiceStrategy.workerLastVirtualTaskTimestamp.get(worker).start
       ).toBe(0)
       expect(
-        pool.workerChoiceStrategyContext.workerChoiceStrategy.workerChoiceStrategy.workerLastVirtualTaskTimestamp.get(
-          worker
-        ).end
+        pool.workerChoiceStrategyContext
+          .getWorkerChoiceStrategy()
+          .workerChoiceStrategy.workerLastVirtualTaskTimestamp.get(worker).end
       ).toBe(0)
     }
     // We need to clean up the resources after our test
@@ -347,11 +423,25 @@ describe('Selection strategies test suite', () => {
     expect(pool.opts.workerChoiceStrategy).toBe(
       WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN
     )
-    for (const worker of pool.workerChoiceStrategyContext.workerChoiceStrategy.workersTaskRunTime.keys()) {
+    expect(
+      pool.workerChoiceStrategyContext.getWorkerChoiceStrategy().currentWorkerId
+    ).toBe(0)
+    expect(
+      pool.workerChoiceStrategyContext.getWorkerChoiceStrategy()
+        .defaultWorkerWeight
+    ).toBeGreaterThan(0)
+    for (const worker of pool.workerChoiceStrategyContext
+      .getWorkerChoiceStrategy()
+      .workersTaskRunTime.keys()) {
       expect(
-        pool.workerChoiceStrategyContext.workerChoiceStrategy.workersTaskRunTime.get(
-          worker
-        ).runTime
+        pool.workerChoiceStrategyContext
+          .getWorkerChoiceStrategy()
+          .workersTaskRunTime.get(worker).weight
+      ).toBeGreaterThan(0)
+      expect(
+        pool.workerChoiceStrategyContext
+          .getWorkerChoiceStrategy()
+          .workersTaskRunTime.get(worker).runTime
       ).toBe(0)
     }
     // We need to clean up the resources after our test
@@ -429,20 +519,37 @@ describe('Selection strategies test suite', () => {
     await pool.destroy()
   })
 
-  it('Verify WEIGHTED_ROUND_ROBIN strategy statistics are resets after setting it', async () => {
+  it('Verify WEIGHTED_ROUND_ROBIN strategy internals are resets after setting it', async () => {
     let pool = new FixedThreadPool(
       max,
       './tests/worker-files/thread/testWorker.js'
     )
     expect(
-      pool.workerChoiceStrategyContext.workerChoiceStrategy.workersTaskRunTime
+      pool.workerChoiceStrategyContext.getWorkerChoiceStrategy().currentWorkerId
+    ).toBeUndefined()
+    expect(
+      pool.workerChoiceStrategyContext.getWorkerChoiceStrategy()
+        .defaultWorkerWeight
+    ).toBeUndefined()
+    expect(
+      pool.workerChoiceStrategyContext.getWorkerChoiceStrategy()
+        .workersTaskRunTime
     ).toBeUndefined()
     pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN)
-    for (const worker of pool.workerChoiceStrategyContext.workerChoiceStrategy.workersTaskRunTime.keys()) {
+    expect(
+      pool.workerChoiceStrategyContext.getWorkerChoiceStrategy().currentWorkerId
+    ).toBe(0)
+    expect(
+      pool.workerChoiceStrategyContext.getWorkerChoiceStrategy()
+        .defaultWorkerWeight
+    ).toBeGreaterThan(0)
+    for (const worker of pool.workerChoiceStrategyContext
+      .getWorkerChoiceStrategy()
+      .workersTaskRunTime.keys()) {
       expect(
-        pool.workerChoiceStrategyContext.workerChoiceStrategy.workersTaskRunTime.get(
-          worker
-        ).runTime
+        pool.workerChoiceStrategyContext
+          .getWorkerChoiceStrategy()
+          .workersTaskRunTime.get(worker).runTime
       ).toBe(0)
     }
     await pool.destroy()
@@ -452,15 +559,33 @@ describe('Selection strategies test suite', () => {
       './tests/worker-files/thread/testWorker.js'
     )
     expect(
-      pool.workerChoiceStrategyContext.workerChoiceStrategy.workerChoiceStrategy
-        .workersTaskRunTime
+      pool.workerChoiceStrategyContext.getWorkerChoiceStrategy()
+        .workerChoiceStrategy.currentWorkerId
+    ).toBeUndefined()
+    expect(
+      pool.workerChoiceStrategyContext.getWorkerChoiceStrategy()
+        .workerChoiceStrategy.defaultWorkerWeight
+    ).toBeUndefined()
+    expect(
+      pool.workerChoiceStrategyContext.getWorkerChoiceStrategy()
+        .workerChoiceStrategy.workersTaskRunTime
     ).toBeUndefined()
     pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN)
-    for (const worker of pool.workerChoiceStrategyContext.workerChoiceStrategy.workerChoiceStrategy.workersTaskRunTime.keys()) {
+    expect(
+      pool.workerChoiceStrategyContext.getWorkerChoiceStrategy()
+        .workerChoiceStrategy.currentWorkerId
+    ).toBe(0)
+    expect(
+      pool.workerChoiceStrategyContext.getWorkerChoiceStrategy()
+        .workerChoiceStrategy.defaultWorkerWeight
+    ).toBeGreaterThan(0)
+    for (const worker of pool.workerChoiceStrategyContext
+      .getWorkerChoiceStrategy()
+      .workerChoiceStrategy.workersTaskRunTime.keys()) {
       expect(
-        pool.workerChoiceStrategyContext.workerChoiceStrategy.workerChoiceStrategy.workersTaskRunTime.get(
-          worker
-        ).runTime
+        pool.workerChoiceStrategyContext
+          .getWorkerChoiceStrategy()
+          .workerChoiceStrategy.workersTaskRunTime.get(worker).runTime
       ).toBe(0)
     }
     // We need to clean up the resources after our test