const {
WorkerChoiceStrategies,
DynamicThreadPool,
- FixedThreadPool
+ FixedThreadPool,
+ FixedClusterPool
} = require('../../../lib/index')
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,
expect(pool.opts.workerChoiceStrategy).toBe(
WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN
)
- expect(
- pool.workerChoiceStrategyContext.getWorkerChoiceStrategy()
- .previousWorkerIndex
- ).toBe(0)
expect(
pool.workerChoiceStrategyContext.getWorkerChoiceStrategy()
.currentWorkerIndex
max,
'./tests/worker-files/thread/testWorker.js'
)
- expect(
- pool.workerChoiceStrategyContext.getWorkerChoiceStrategy()
- .previousWorkerIndex
- ).toBeUndefined()
expect(
pool.workerChoiceStrategyContext.getWorkerChoiceStrategy()
.currentWorkerIndex
.workersTaskRunTime
).toBeUndefined()
pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN)
- expect(
- pool.workerChoiceStrategyContext.getWorkerChoiceStrategy()
- .previousWorkerIndex
- ).toBe(0)
expect(
pool.workerChoiceStrategyContext.getWorkerChoiceStrategy()
.currentWorkerIndex
max,
'./tests/worker-files/thread/testWorker.js'
)
- expect(
- pool.workerChoiceStrategyContext.getWorkerChoiceStrategy()
- .workerChoiceStrategy.previousWorkerIndex
- ).toBeUndefined()
expect(
pool.workerChoiceStrategyContext.getWorkerChoiceStrategy()
.workerChoiceStrategy.currentWorkerIndex
.workerChoiceStrategy.workersTaskRunTime
).toBeUndefined()
pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN)
- expect(
- pool.workerChoiceStrategyContext.getWorkerChoiceStrategy()
- .workerChoiceStrategy.previousWorkerIndex
- ).toBe(0)
expect(
pool.workerChoiceStrategyContext.getWorkerChoiceStrategy()
.workerChoiceStrategy.currentWorkerIndex