fix: only display pool utilization when requirements are met
[poolifier.git] / tests / pools / abstract / abstract-pool.test.js
index 80f43dda845c5e4e06b5cc0448b8ef4031f3dad7..adf2765f7e67bcb68ffb11a534574fa3e18c3907 100644 (file)
@@ -93,8 +93,9 @@ describe('Abstract pool test suite', () => {
       WorkerChoiceStrategies.ROUND_ROBIN
     )
     expect(pool.opts.workerChoiceStrategyOptions).toStrictEqual({
-      medRunTime: false,
-      medWaitTime: false
+      runTime: { median: false },
+      waitTime: { median: false },
+      elu: { median: false }
     })
     expect(pool.opts.messageHandler).toBeUndefined()
     expect(pool.opts.errorHandler).toBeUndefined()
@@ -108,7 +109,7 @@ describe('Abstract pool test suite', () => {
       {
         workerChoiceStrategy: WorkerChoiceStrategies.LEAST_USED,
         workerChoiceStrategyOptions: {
-          medRunTime: true,
+          runTime: { median: true },
           weights: { 0: 300, 1: 200 }
         },
         enableEvents: false,
@@ -130,7 +131,7 @@ describe('Abstract pool test suite', () => {
       WorkerChoiceStrategies.LEAST_USED
     )
     expect(pool.opts.workerChoiceStrategyOptions).toStrictEqual({
-      medRunTime: true,
+      runTime: { median: true },
       weights: { 0: 300, 1: 200 }
     })
     expect(pool.opts.messageHandler).toStrictEqual(testHandler)
@@ -147,21 +148,22 @@ describe('Abstract pool test suite', () => {
           numberOfWorkers,
           './tests/worker-files/thread/testWorker.js',
           {
-            enableTasksQueue: true,
-            tasksQueueOptions: { concurrency: 0 }
+            workerChoiceStrategy: 'invalidStrategy'
           }
         )
-    ).toThrowError("Invalid worker tasks concurrency '0'")
+    ).toThrowError("Invalid worker choice strategy 'invalidStrategy'")
     expect(
       () =>
         new FixedThreadPool(
           numberOfWorkers,
           './tests/worker-files/thread/testWorker.js',
           {
-            workerChoiceStrategy: 'invalidStrategy'
+            workerChoiceStrategyOptions: 'invalidOptions'
           }
         )
-    ).toThrowError("Invalid worker choice strategy 'invalidStrategy'")
+    ).toThrowError(
+      'Invalid worker choice strategy options: must be a plain object'
+    )
     expect(
       () =>
         new FixedThreadPool(
@@ -174,6 +176,51 @@ describe('Abstract pool test suite', () => {
     ).toThrowError(
       'Invalid worker choice strategy options: must have a weight for each worker node'
     )
+    expect(
+      () =>
+        new FixedThreadPool(
+          numberOfWorkers,
+          './tests/worker-files/thread/testWorker.js',
+          {
+            workerChoiceStrategyOptions: { measurement: 'invalidMeasurement' }
+          }
+        )
+    ).toThrowError(
+      "Invalid worker choice strategy options: invalid measurement 'invalidMeasurement'"
+    )
+    expect(
+      () =>
+        new FixedThreadPool(
+          numberOfWorkers,
+          './tests/worker-files/thread/testWorker.js',
+          {
+            enableTasksQueue: true,
+            tasksQueueOptions: { concurrency: 0 }
+          }
+        )
+    ).toThrowError("Invalid worker tasks concurrency '0'")
+    expect(
+      () =>
+        new FixedThreadPool(
+          numberOfWorkers,
+          './tests/worker-files/thread/testWorker.js',
+          {
+            enableTasksQueue: true,
+            tasksQueueOptions: 'invalidTasksQueueOptions'
+          }
+        )
+    ).toThrowError('Invalid tasks queue options: must be a plain object')
+    expect(
+      () =>
+        new FixedThreadPool(
+          numberOfWorkers,
+          './tests/worker-files/thread/testWorker.js',
+          {
+            enableTasksQueue: true,
+            tasksQueueOptions: { concurrency: 0.2 }
+          }
+        )
+    ).toThrowError('Invalid worker tasks concurrency: must be an integer')
   })
 
   it('Verify that worker choice strategy options can be set', async () => {
@@ -183,62 +230,120 @@ describe('Abstract pool test suite', () => {
       { workerChoiceStrategy: WorkerChoiceStrategies.FAIR_SHARE }
     )
     expect(pool.opts.workerChoiceStrategyOptions).toStrictEqual({
-      medRunTime: false,
-      medWaitTime: false
+      runTime: { median: false },
+      waitTime: { median: false },
+      elu: { median: false }
     })
     for (const [, workerChoiceStrategy] of pool.workerChoiceStrategyContext
       .workerChoiceStrategies) {
       expect(workerChoiceStrategy.opts).toStrictEqual({
-        medRunTime: false,
-        medWaitTime: false
+        runTime: { median: false },
+        waitTime: { median: false },
+        elu: { median: false }
       })
     }
     expect(
-      pool.workerChoiceStrategyContext.getRequiredStatistics()
+      pool.workerChoiceStrategyContext.getTaskStatisticsRequirements()
     ).toStrictEqual({
-      runTime: true,
-      avgRunTime: true,
-      medRunTime: false,
-      waitTime: false,
-      avgWaitTime: false,
-      medWaitTime: false
+      runTime: {
+        aggregate: true,
+        average: true,
+        median: false
+      },
+      waitTime: {
+        aggregate: false,
+        average: false,
+        median: false
+      },
+      elu: {
+        aggregate: true,
+        average: true,
+        median: false
+      }
+    })
+    pool.setWorkerChoiceStrategyOptions({
+      runTime: { median: true },
+      elu: { median: true }
     })
-    pool.setWorkerChoiceStrategyOptions({ medRunTime: true })
     expect(pool.opts.workerChoiceStrategyOptions).toStrictEqual({
-      medRunTime: true
+      runTime: { median: true },
+      elu: { median: true }
     })
     for (const [, workerChoiceStrategy] of pool.workerChoiceStrategyContext
       .workerChoiceStrategies) {
-      expect(workerChoiceStrategy.opts).toStrictEqual({ medRunTime: true })
+      expect(workerChoiceStrategy.opts).toStrictEqual({
+        runTime: { median: true },
+        elu: { median: true }
+      })
     }
     expect(
-      pool.workerChoiceStrategyContext.getRequiredStatistics()
+      pool.workerChoiceStrategyContext.getTaskStatisticsRequirements()
     ).toStrictEqual({
-      runTime: true,
-      avgRunTime: false,
-      medRunTime: true,
-      waitTime: false,
-      avgWaitTime: false,
-      medWaitTime: false
+      runTime: {
+        aggregate: true,
+        average: false,
+        median: true
+      },
+      waitTime: {
+        aggregate: false,
+        average: false,
+        median: false
+      },
+      elu: {
+        aggregate: true,
+        average: false,
+        median: true
+      }
+    })
+    pool.setWorkerChoiceStrategyOptions({
+      runTime: { median: false },
+      elu: { median: false }
     })
-    pool.setWorkerChoiceStrategyOptions({ medRunTime: false })
     expect(pool.opts.workerChoiceStrategyOptions).toStrictEqual({
-      medRunTime: false
+      runTime: { median: false },
+      elu: { median: false }
     })
     for (const [, workerChoiceStrategy] of pool.workerChoiceStrategyContext
       .workerChoiceStrategies) {
-      expect(workerChoiceStrategy.opts).toStrictEqual({ medRunTime: false })
+      expect(workerChoiceStrategy.opts).toStrictEqual({
+        runTime: { median: false },
+        elu: { median: false }
+      })
     }
     expect(
-      pool.workerChoiceStrategyContext.getRequiredStatistics()
+      pool.workerChoiceStrategyContext.getTaskStatisticsRequirements()
     ).toStrictEqual({
-      runTime: true,
-      avgRunTime: true,
-      medRunTime: false,
-      waitTime: false,
-      avgWaitTime: false,
-      medWaitTime: false
+      runTime: {
+        aggregate: true,
+        average: true,
+        median: false
+      },
+      waitTime: {
+        aggregate: false,
+        average: false,
+        median: false
+      },
+      elu: {
+        aggregate: true,
+        average: true,
+        median: false
+      }
     })
+    expect(() =>
+      pool.setWorkerChoiceStrategyOptions('invalidWorkerChoiceStrategyOptions')
+    ).toThrowError(
+      'Invalid worker choice strategy options: must be a plain object'
+    )
+    expect(() =>
+      pool.setWorkerChoiceStrategyOptions({ weights: {} })
+    ).toThrowError(
+      'Invalid worker choice strategy options: must have a weight for each worker node'
+    )
+    expect(() =>
+      pool.setWorkerChoiceStrategyOptions({ measurement: 'invalidMeasurement' })
+    ).toThrowError(
+      "Invalid worker choice strategy options: invalid measurement 'invalidMeasurement'"
+    )
     await pool.destroy()
   })
 
@@ -270,9 +375,15 @@ describe('Abstract pool test suite', () => {
     expect(pool.opts.tasksQueueOptions).toStrictEqual({ concurrency: 1 })
     pool.setTasksQueueOptions({ concurrency: 2 })
     expect(pool.opts.tasksQueueOptions).toStrictEqual({ concurrency: 2 })
+    expect(() =>
+      pool.setTasksQueueOptions('invalidTasksQueueOptions')
+    ).toThrowError('Invalid tasks queue options: must be a plain object')
     expect(() => pool.setTasksQueueOptions({ concurrency: 0 })).toThrowError(
       "Invalid worker tasks concurrency '0'"
     )
+    expect(() => pool.setTasksQueueOptions({ concurrency: 0.2 })).toThrowError(
+      'Invalid worker tasks concurrency: must be an integer'
+    )
     await pool.destroy()
   })
 
@@ -289,15 +400,17 @@ describe('Abstract pool test suite', () => {
       workerNodes: numberOfWorkers,
       idleWorkerNodes: numberOfWorkers,
       busyWorkerNodes: 0,
-      runningTasks: 0,
+      executedTasks: 0,
+      executingTasks: 0,
       queuedTasks: 0,
-      maxQueuedTasks: 0
+      maxQueuedTasks: 0,
+      failedTasks: 0
     })
     await pool.destroy()
     pool = new DynamicClusterPool(
       numberOfWorkers,
       numberOfWorkers * 2,
-      './tests/worker-files/thread/testWorker.js'
+      './tests/worker-files/cluster/testWorker.js'
     )
     expect(pool.info).toStrictEqual({
       type: PoolTypes.dynamic,
@@ -307,9 +420,11 @@ describe('Abstract pool test suite', () => {
       workerNodes: numberOfWorkers,
       idleWorkerNodes: numberOfWorkers,
       busyWorkerNodes: 0,
-      runningTasks: 0,
+      executedTasks: 0,
+      executingTasks: 0,
       queuedTasks: 0,
-      maxQueuedTasks: 0
+      maxQueuedTasks: 0,
+      failedTasks: 0
     })
     await pool.destroy()
   })
@@ -317,7 +432,7 @@ describe('Abstract pool test suite', () => {
   it('Simulate worker not found', async () => {
     const pool = new StubPoolWithRemoveAllWorker(
       numberOfWorkers,
-      './tests/worker-files/cluster/testWorker.js',
+      './tests/worker-files/thread/testWorker.js',
       {
         errorHandler: e => console.error(e)
       }
@@ -335,18 +450,41 @@ describe('Abstract pool test suite', () => {
       './tests/worker-files/cluster/testWorker.js'
     )
     for (const workerNode of pool.workerNodes) {
-      expect(workerNode.tasksUsage).toStrictEqual({
-        run: 0,
-        running: 0,
-        runTime: 0,
-        runTimeHistory: expect.any(CircularArray),
-        avgRunTime: 0,
-        medRunTime: 0,
-        waitTime: 0,
-        waitTimeHistory: expect.any(CircularArray),
-        avgWaitTime: 0,
-        medWaitTime: 0,
-        error: 0
+      expect(workerNode.usage).toStrictEqual({
+        tasks: {
+          executed: 0,
+          executing: 0,
+          queued: 0,
+          maxQueued: 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)
+        },
+        elu: {
+          idle: {
+            aggregate: 0,
+            average: 0,
+            median: 0,
+            history: expect.any(CircularArray)
+          },
+          active: {
+            aggregate: 0,
+            average: 0,
+            median: 0,
+            history: expect.any(CircularArray)
+          },
+          utilization: 0
+        }
       })
     }
     await pool.destroy()
@@ -361,6 +499,7 @@ describe('Abstract pool test suite', () => {
       expect(workerNode.tasksQueue).toBeDefined()
       expect(workerNode.tasksQueue).toBeInstanceOf(Queue)
       expect(workerNode.tasksQueue.size).toBe(0)
+      expect(workerNode.tasksQueue.maxSize).toBe(0)
     }
     await pool.destroy()
   })
@@ -376,34 +515,80 @@ describe('Abstract pool test suite', () => {
       promises.add(pool.execute())
     }
     for (const workerNode of pool.workerNodes) {
-      expect(workerNode.tasksUsage).toStrictEqual({
-        run: 0,
-        running: maxMultiplier,
-        runTime: 0,
-        runTimeHistory: expect.any(CircularArray),
-        avgRunTime: 0,
-        medRunTime: 0,
-        waitTime: 0,
-        waitTimeHistory: expect.any(CircularArray),
-        avgWaitTime: 0,
-        medWaitTime: 0,
-        error: 0
+      expect(workerNode.usage).toStrictEqual({
+        tasks: {
+          executed: 0,
+          executing: maxMultiplier,
+          queued: 0,
+          maxQueued: 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)
+        },
+        elu: {
+          idle: {
+            aggregate: 0,
+            average: 0,
+            median: 0,
+            history: expect.any(CircularArray)
+          },
+          active: {
+            aggregate: 0,
+            average: 0,
+            median: 0,
+            history: expect.any(CircularArray)
+          },
+          utilization: 0
+        }
       })
     }
     await Promise.all(promises)
     for (const workerNode of pool.workerNodes) {
-      expect(workerNode.tasksUsage).toStrictEqual({
-        run: maxMultiplier,
-        running: 0,
-        runTime: 0,
-        runTimeHistory: expect.any(CircularArray),
-        avgRunTime: 0,
-        medRunTime: 0,
-        waitTime: 0,
-        waitTimeHistory: expect.any(CircularArray),
-        avgWaitTime: 0,
-        medWaitTime: 0,
-        error: 0
+      expect(workerNode.usage).toStrictEqual({
+        tasks: {
+          executed: maxMultiplier,
+          executing: 0,
+          queued: 0,
+          maxQueued: 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)
+        },
+        elu: {
+          idle: {
+            aggregate: 0,
+            average: 0,
+            median: 0,
+            history: expect.any(CircularArray)
+          },
+          active: {
+            aggregate: 0,
+            average: 0,
+            median: 0,
+            history: expect.any(CircularArray)
+          },
+          utilization: 0
+        }
       })
     }
     await pool.destroy()
@@ -422,39 +607,85 @@ describe('Abstract pool test suite', () => {
     }
     await Promise.all(promises)
     for (const workerNode of pool.workerNodes) {
-      expect(workerNode.tasksUsage).toStrictEqual({
-        run: expect.any(Number),
-        running: 0,
-        runTime: 0,
-        runTimeHistory: expect.any(CircularArray),
-        avgRunTime: 0,
-        medRunTime: 0,
-        waitTime: 0,
-        waitTimeHistory: expect.any(CircularArray),
-        avgWaitTime: 0,
-        medWaitTime: 0,
-        error: 0
+      expect(workerNode.usage).toStrictEqual({
+        tasks: {
+          executed: expect.any(Number),
+          executing: 0,
+          queued: 0,
+          maxQueued: 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)
+        },
+        elu: {
+          idle: {
+            aggregate: 0,
+            average: 0,
+            median: 0,
+            history: expect.any(CircularArray)
+          },
+          active: {
+            aggregate: 0,
+            average: 0,
+            median: 0,
+            history: expect.any(CircularArray)
+          },
+          utilization: 0
+        }
       })
-      expect(workerNode.tasksUsage.run).toBeGreaterThan(0)
-      expect(workerNode.tasksUsage.run).toBeLessThanOrEqual(maxMultiplier)
+      expect(workerNode.usage.tasks.executed).toBeGreaterThan(0)
+      expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual(maxMultiplier)
     }
     pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.FAIR_SHARE)
     for (const workerNode of pool.workerNodes) {
-      expect(workerNode.tasksUsage).toStrictEqual({
-        run: 0,
-        running: 0,
-        runTime: 0,
-        runTimeHistory: expect.any(CircularArray),
-        avgRunTime: 0,
-        medRunTime: 0,
-        waitTime: 0,
-        waitTimeHistory: expect.any(CircularArray),
-        avgWaitTime: 0,
-        medWaitTime: 0,
-        error: 0
+      expect(workerNode.usage).toStrictEqual({
+        tasks: {
+          executed: 0,
+          executing: 0,
+          queued: 0,
+          maxQueued: 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)
+        },
+        elu: {
+          idle: {
+            aggregate: 0,
+            average: 0,
+            median: 0,
+            history: expect.any(CircularArray)
+          },
+          active: {
+            aggregate: 0,
+            average: 0,
+            median: 0,
+            history: expect.any(CircularArray)
+          },
+          utilization: 0
+        }
       })
-      expect(workerNode.tasksUsage.runTimeHistory.length).toBe(0)
-      expect(workerNode.tasksUsage.waitTimeHistory.length).toBe(0)
+      expect(workerNode.usage.runTime.history.length).toBe(0)
+      expect(workerNode.usage.waitTime.history.length).toBe(0)
     }
     await pool.destroy()
   })
@@ -467,7 +698,11 @@ describe('Abstract pool test suite', () => {
     )
     const promises = new Set()
     let poolFull = 0
-    pool.emitter.on(PoolEvents.full, () => ++poolFull)
+    let poolInfo
+    pool.emitter.on(PoolEvents.full, info => {
+      ++poolFull
+      poolInfo = info
+    })
     for (let i = 0; i < numberOfWorkers * 2; i++) {
       promises.add(pool.execute())
     }
@@ -475,6 +710,20 @@ describe('Abstract pool test suite', () => {
     // The `full` event is triggered when the number of submitted tasks at once reach the max number of workers in the dynamic pool.
     // So in total numberOfWorkers * 2 times for a loop submitting up to numberOfWorkers * 2 tasks to the dynamic pool with min = max = numberOfWorkers.
     expect(poolFull).toBe(numberOfWorkers * 2)
+    expect(poolInfo).toStrictEqual({
+      type: PoolTypes.dynamic,
+      worker: WorkerTypes.thread,
+      minSize: expect.any(Number),
+      maxSize: expect.any(Number),
+      workerNodes: expect.any(Number),
+      idleWorkerNodes: expect.any(Number),
+      busyWorkerNodes: expect.any(Number),
+      executedTasks: expect.any(Number),
+      executingTasks: expect.any(Number),
+      queuedTasks: expect.any(Number),
+      maxQueuedTasks: expect.any(Number),
+      failedTasks: expect.any(Number)
+    })
     await pool.destroy()
   })
 
@@ -485,7 +734,11 @@ describe('Abstract pool test suite', () => {
     )
     const promises = new Set()
     let poolBusy = 0
-    pool.emitter.on(PoolEvents.busy, () => ++poolBusy)
+    let poolInfo
+    pool.emitter.on(PoolEvents.busy, info => {
+      ++poolBusy
+      poolInfo = info
+    })
     for (let i = 0; i < numberOfWorkers * 2; i++) {
       promises.add(pool.execute())
     }
@@ -493,6 +746,20 @@ describe('Abstract pool test suite', () => {
     // The `busy` event is triggered when the number of submitted tasks at once reach the number of fixed pool workers.
     // So in total numberOfWorkers + 1 times for a loop submitting up to numberOfWorkers * 2 tasks to the fixed pool.
     expect(poolBusy).toBe(numberOfWorkers + 1)
+    expect(poolInfo).toStrictEqual({
+      type: PoolTypes.fixed,
+      worker: WorkerTypes.thread,
+      minSize: expect.any(Number),
+      maxSize: expect.any(Number),
+      workerNodes: expect.any(Number),
+      idleWorkerNodes: expect.any(Number),
+      busyWorkerNodes: expect.any(Number),
+      executedTasks: expect.any(Number),
+      executingTasks: expect.any(Number),
+      queuedTasks: expect.any(Number),
+      maxQueuedTasks: expect.any(Number),
+      failedTasks: expect.any(Number)
+    })
     await pool.destroy()
   })
 
@@ -510,6 +777,6 @@ describe('Abstract pool test suite', () => {
     const result2 = await pool.execute(data, 'factorial')
     expect(result2).toBe(3628800)
     const result3 = await pool.execute(data, 'fibonacci')
-    expect(result3).toBe(89)
+    expect(result3).toBe(55)
   })
 })