perf: use worker key as much as possible instead of a reference to the
[poolifier.git] / tests / pools / selection-strategies / worker-choice-strategy-context.test.js
index 8a3a759610d167f86ad5085a4ec730686337e309..9ab2babfd31ce26fa6286338ced68d2e4f2ae7ea 100644 (file)
@@ -12,8 +12,11 @@ const {
   RoundRobinWorkerChoiceStrategy
 } = require('../../../lib/pools/selection-strategies/round-robin-worker-choice-strategy')
 const {
-  LessRecentlyUsedWorkerChoiceStrategy
-} = require('../../../lib/pools/selection-strategies/less-recently-used-worker-choice-strategy')
+  LessUsedWorkerChoiceStrategy
+} = require('../../../lib/pools/selection-strategies/less-used-worker-choice-strategy')
+const {
+  LessBusyWorkerChoiceStrategy
+} = require('../../../lib/pools/selection-strategies/less-busy-worker-choice-strategy')
 const {
   FairShareWorkerChoiceStrategy
 } = require('../../../lib/pools/selection-strategies/fair-share-worker-choice-strategy')
@@ -57,15 +60,15 @@ describe('Worker choice strategy context test suite', () => {
     const WorkerChoiceStrategyStub = sinon.createStubInstance(
       RoundRobinWorkerChoiceStrategy,
       {
-        choose: sinon.stub().returns('worker')
+        choose: sinon.stub().returns(0)
       }
     )
     workerChoiceStrategyContext.workerChoiceStrategy = WorkerChoiceStrategyStub
-    const chosenWorker = workerChoiceStrategyContext.execute()
+    const chosenWorkerKey = workerChoiceStrategyContext.execute()
     expect(
-      workerChoiceStrategyContext.workerChoiceStrategy.choose.calledOnce
+      workerChoiceStrategyContext.getWorkerChoiceStrategy().choose.calledOnce
     ).toBe(true)
-    expect(chosenWorker).toBe('worker')
+    expect(chosenWorkerKey).toBe(0)
   })
 
   it('Verify that execute() return the worker chosen by the strategy with dynamic pool', () => {
@@ -75,15 +78,15 @@ describe('Worker choice strategy context test suite', () => {
     const WorkerChoiceStrategyStub = sinon.createStubInstance(
       RoundRobinWorkerChoiceStrategy,
       {
-        choose: sinon.stub().returns('worker')
+        choose: sinon.stub().returns(0)
       }
     )
     workerChoiceStrategyContext.workerChoiceStrategy = WorkerChoiceStrategyStub
-    const chosenWorker = workerChoiceStrategyContext.execute()
+    const chosenWorkerKey = workerChoiceStrategyContext.execute()
     expect(
-      workerChoiceStrategyContext.workerChoiceStrategy.choose.calledOnce
+      workerChoiceStrategyContext.getWorkerChoiceStrategy().choose.calledOnce
     ).toBe(true)
-    expect(chosenWorker).toBe('worker')
+    expect(chosenWorkerKey).toBe(0)
   })
 
   it('Verify that setWorkerChoiceStrategy() works with ROUND_ROBIN and fixed pool', () => {
@@ -93,9 +96,9 @@ describe('Worker choice strategy context test suite', () => {
     workerChoiceStrategyContext.setWorkerChoiceStrategy(
       WorkerChoiceStrategies.ROUND_ROBIN
     )
-    expect(workerChoiceStrategyContext.workerChoiceStrategy).toBeInstanceOf(
-      RoundRobinWorkerChoiceStrategy
-    )
+    expect(
+      workerChoiceStrategyContext.getWorkerChoiceStrategy()
+    ).toBeInstanceOf(RoundRobinWorkerChoiceStrategy)
   })
 
   it('Verify that setWorkerChoiceStrategy() works with ROUND_ROBIN and dynamic pool', () => {
@@ -105,39 +108,66 @@ describe('Worker choice strategy context test suite', () => {
     workerChoiceStrategyContext.setWorkerChoiceStrategy(
       WorkerChoiceStrategies.ROUND_ROBIN
     )
-    expect(workerChoiceStrategyContext.workerChoiceStrategy).toBeInstanceOf(
-      DynamicPoolWorkerChoiceStrategy
-    )
     expect(
-      workerChoiceStrategyContext.workerChoiceStrategy.workerChoiceStrategy
+      workerChoiceStrategyContext.getWorkerChoiceStrategy()
+    ).toBeInstanceOf(DynamicPoolWorkerChoiceStrategy)
+    expect(
+      workerChoiceStrategyContext.getWorkerChoiceStrategy().workerChoiceStrategy
     ).toBeInstanceOf(RoundRobinWorkerChoiceStrategy)
   })
 
-  it('Verify that setWorkerChoiceStrategy() works with LESS_RECENTLY_USED and fixed pool', () => {
+  it('Verify that setWorkerChoiceStrategy() works with LESS_USED and fixed pool', () => {
     const workerChoiceStrategyContext = new WorkerChoiceStrategyContext(
       fixedPool
     )
     workerChoiceStrategyContext.setWorkerChoiceStrategy(
-      WorkerChoiceStrategies.LESS_RECENTLY_USED
-    )
-    expect(workerChoiceStrategyContext.workerChoiceStrategy).toBeInstanceOf(
-      LessRecentlyUsedWorkerChoiceStrategy
+      WorkerChoiceStrategies.LESS_USED
     )
+    expect(
+      workerChoiceStrategyContext.getWorkerChoiceStrategy()
+    ).toBeInstanceOf(LessUsedWorkerChoiceStrategy)
   })
 
-  it('Verify that setWorkerChoiceStrategy() works with LESS_RECENTLY_USED and dynamic pool', () => {
+  it('Verify that setWorkerChoiceStrategy() works with LESS_USED and dynamic pool', () => {
     const workerChoiceStrategyContext = new WorkerChoiceStrategyContext(
       dynamicPool
     )
     workerChoiceStrategyContext.setWorkerChoiceStrategy(
-      WorkerChoiceStrategies.LESS_RECENTLY_USED
+      WorkerChoiceStrategies.LESS_USED
+    )
+    expect(
+      workerChoiceStrategyContext.getWorkerChoiceStrategy()
+    ).toBeInstanceOf(DynamicPoolWorkerChoiceStrategy)
+    expect(
+      workerChoiceStrategyContext.getWorkerChoiceStrategy().workerChoiceStrategy
+    ).toBeInstanceOf(LessUsedWorkerChoiceStrategy)
+  })
+
+  it('Verify that setWorkerChoiceStrategy() works with LESS_BUSY and fixed pool', () => {
+    const workerChoiceStrategyContext = new WorkerChoiceStrategyContext(
+      fixedPool
     )
-    expect(workerChoiceStrategyContext.workerChoiceStrategy).toBeInstanceOf(
-      DynamicPoolWorkerChoiceStrategy
+    workerChoiceStrategyContext.setWorkerChoiceStrategy(
+      WorkerChoiceStrategies.LESS_BUSY
     )
     expect(
-      workerChoiceStrategyContext.workerChoiceStrategy.workerChoiceStrategy
-    ).toBeInstanceOf(LessRecentlyUsedWorkerChoiceStrategy)
+      workerChoiceStrategyContext.getWorkerChoiceStrategy()
+    ).toBeInstanceOf(LessBusyWorkerChoiceStrategy)
+  })
+
+  it('Verify that setWorkerChoiceStrategy() works with LESS_BUSY and dynamic pool', () => {
+    const workerChoiceStrategyContext = new WorkerChoiceStrategyContext(
+      dynamicPool
+    )
+    workerChoiceStrategyContext.setWorkerChoiceStrategy(
+      WorkerChoiceStrategies.LESS_BUSY
+    )
+    expect(
+      workerChoiceStrategyContext.getWorkerChoiceStrategy()
+    ).toBeInstanceOf(DynamicPoolWorkerChoiceStrategy)
+    expect(
+      workerChoiceStrategyContext.getWorkerChoiceStrategy().workerChoiceStrategy
+    ).toBeInstanceOf(LessBusyWorkerChoiceStrategy)
   })
 
   it('Verify that setWorkerChoiceStrategy() works with FAIR_SHARE and fixed pool', () => {
@@ -147,9 +177,9 @@ describe('Worker choice strategy context test suite', () => {
     workerChoiceStrategyContext.setWorkerChoiceStrategy(
       WorkerChoiceStrategies.FAIR_SHARE
     )
-    expect(workerChoiceStrategyContext.workerChoiceStrategy).toBeInstanceOf(
-      FairShareWorkerChoiceStrategy
-    )
+    expect(
+      workerChoiceStrategyContext.getWorkerChoiceStrategy()
+    ).toBeInstanceOf(FairShareWorkerChoiceStrategy)
   })
 
   it('Verify that setWorkerChoiceStrategy() works with FAIR_SHARE and dynamic pool', () => {
@@ -159,11 +189,11 @@ describe('Worker choice strategy context test suite', () => {
     workerChoiceStrategyContext.setWorkerChoiceStrategy(
       WorkerChoiceStrategies.FAIR_SHARE
     )
-    expect(workerChoiceStrategyContext.workerChoiceStrategy).toBeInstanceOf(
-      DynamicPoolWorkerChoiceStrategy
-    )
     expect(
-      workerChoiceStrategyContext.workerChoiceStrategy.workerChoiceStrategy
+      workerChoiceStrategyContext.getWorkerChoiceStrategy()
+    ).toBeInstanceOf(DynamicPoolWorkerChoiceStrategy)
+    expect(
+      workerChoiceStrategyContext.getWorkerChoiceStrategy().workerChoiceStrategy
     ).toBeInstanceOf(FairShareWorkerChoiceStrategy)
   })
 
@@ -174,9 +204,9 @@ describe('Worker choice strategy context test suite', () => {
     workerChoiceStrategyContext.setWorkerChoiceStrategy(
       WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN
     )
-    expect(workerChoiceStrategyContext.workerChoiceStrategy).toBeInstanceOf(
-      WeightedRoundRobinWorkerChoiceStrategy
-    )
+    expect(
+      workerChoiceStrategyContext.getWorkerChoiceStrategy()
+    ).toBeInstanceOf(WeightedRoundRobinWorkerChoiceStrategy)
   })
 
   it('Verify that setWorkerChoiceStrategy() works with WEIGHTED_ROUND_ROBIN and dynamic pool', () => {
@@ -186,11 +216,11 @@ describe('Worker choice strategy context test suite', () => {
     workerChoiceStrategyContext.setWorkerChoiceStrategy(
       WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN
     )
-    expect(workerChoiceStrategyContext.workerChoiceStrategy).toBeInstanceOf(
-      DynamicPoolWorkerChoiceStrategy
-    )
     expect(
-      workerChoiceStrategyContext.workerChoiceStrategy.workerChoiceStrategy
+      workerChoiceStrategyContext.getWorkerChoiceStrategy()
+    ).toBeInstanceOf(DynamicPoolWorkerChoiceStrategy)
+    expect(
+      workerChoiceStrategyContext.getWorkerChoiceStrategy().workerChoiceStrategy
     ).toBeInstanceOf(WeightedRoundRobinWorkerChoiceStrategy)
   })
 })