DynamicThreadPool,
FixedThreadPool,
FixedClusterPool
-} = require('../../../lib/index')
+} = require('../../../lib')
+const { CircularArray } = require('../../../lib/circular-array')
describe('Selection strategies test suite', () => {
const min = 0
it('Verify that WorkerChoiceStrategies enumeration provides string values', () => {
expect(WorkerChoiceStrategies.ROUND_ROBIN).toBe('ROUND_ROBIN')
- expect(WorkerChoiceStrategies.LESS_USED).toBe('LESS_USED')
- expect(WorkerChoiceStrategies.LESS_BUSY).toBe('LESS_BUSY')
+ expect(WorkerChoiceStrategies.LEAST_USED).toBe('LEAST_USED')
+ expect(WorkerChoiceStrategies.LEAST_BUSY).toBe('LEAST_BUSY')
expect(WorkerChoiceStrategies.FAIR_SHARE).toBe('FAIR_SHARE')
expect(WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN).toBe(
'WEIGHTED_ROUND_ROBIN'
const pool = new DynamicThreadPool(
min,
max,
- './tests/worker-files/thread/testWorker.js',
- { workerChoiceStrategy }
+ './tests/worker-files/thread/testWorker.js'
)
pool.setWorkerChoiceStrategy(workerChoiceStrategy)
expect(pool.opts.workerChoiceStrategy).toBe(workerChoiceStrategy)
).nextWorkerNodeId
).toBe(0)
} else if (workerChoiceStrategy === WorkerChoiceStrategies.FAIR_SHARE) {
- for (const workerNodeKey of pool.workerChoiceStrategyContext.workerChoiceStrategies
- .get(workerChoiceStrategy)
- .workerLastVirtualTaskTimestamp.keys()) {
- expect(
- pool.workerChoiceStrategyContext.workerChoiceStrategies
- .get(workerChoiceStrategy)
- .workerLastVirtualTaskTimestamp.get(workerNodeKey).start
- ).toBe(0)
- expect(
- pool.workerChoiceStrategyContext.workerChoiceStrategies
- .get(workerChoiceStrategy)
- .workerLastVirtualTaskTimestamp.get(workerNodeKey).end
- ).toBe(0)
- }
+ expect(
+ pool.workerChoiceStrategyContext.workerChoiceStrategies.get(
+ workerChoiceStrategy
+ ).workersVirtualTaskEndTimestamp
+ ).toBeInstanceOf(Array)
+ expect(
+ pool.workerChoiceStrategyContext.workerChoiceStrategies.get(
+ workerChoiceStrategy
+ ).workersVirtualTaskEndTimestamp.length
+ ).toBe(0)
} else if (
workerChoiceStrategy === WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN
) {
workerChoiceStrategy
).defaultWorkerWeight
).toBeGreaterThan(0)
- for (const workerNodeKey of pool.workerChoiceStrategyContext.workerChoiceStrategies
- .get(workerChoiceStrategy)
- .workersTaskRunTime.keys()) {
- expect(
- pool.workerChoiceStrategyContext.workerChoiceStrategies
- .get(workerChoiceStrategy)
- .workersTaskRunTime.get(workerNodeKey).weight
- ).toBeGreaterThan(0)
- expect(
- pool.workerChoiceStrategyContext.workerChoiceStrategies
- .get(workerChoiceStrategy)
- .workersTaskRunTime.get(workerNodeKey).runTime
- ).toBe(0)
- }
+ expect(
+ pool.workerChoiceStrategyContext.workerChoiceStrategies.get(
+ workerChoiceStrategy
+ ).workerVirtualTaskRunTime
+ ).toBe(0)
}
}
await pool.destroy()
{ workerChoiceStrategy }
)
expect(
- pool.workerChoiceStrategyContext.getRequiredStatistics().runTime
- ).toBe(false)
- expect(
- pool.workerChoiceStrategyContext.getRequiredStatistics().avgRunTime
- ).toBe(false)
- expect(
- pool.workerChoiceStrategyContext.getRequiredStatistics().medRunTime
- ).toBe(false)
+ pool.workerChoiceStrategyContext.getRequiredStatistics()
+ ).toStrictEqual({
+ runTime: false,
+ avgRunTime: false,
+ medRunTime: false,
+ waitTime: false,
+ avgWaitTime: false,
+ medWaitTime: false
+ })
await pool.destroy()
pool = new DynamicThreadPool(
min,
{ workerChoiceStrategy }
)
expect(
- pool.workerChoiceStrategyContext.getRequiredStatistics().runTime
- ).toBe(false)
- expect(
- pool.workerChoiceStrategyContext.getRequiredStatistics().avgRunTime
- ).toBe(false)
- expect(
- pool.workerChoiceStrategyContext.getRequiredStatistics().medRunTime
- ).toBe(false)
+ pool.workerChoiceStrategyContext.getRequiredStatistics()
+ ).toStrictEqual({
+ runTime: false,
+ avgRunTime: false,
+ medRunTime: false,
+ waitTime: false,
+ avgWaitTime: false,
+ medWaitTime: false
+ })
// We need to clean up the resources after our test
await pool.destroy()
})
{ workerChoiceStrategy: WorkerChoiceStrategies.ROUND_ROBIN }
)
// TODO: Create a better test to cover `RoundRobinWorkerChoiceStrategy#choose`
- const promises = []
- for (let i = 0; i < max * 2; i++) {
- promises.push(pool.execute())
+ const maxMultiplier = 2
+ for (let i = 0; i < max * maxMultiplier; i++) {
+ await pool.execute()
}
- await Promise.all(promises)
// We need to clean up the resources after our test
await pool.destroy()
})
{ workerChoiceStrategy: WorkerChoiceStrategies.ROUND_ROBIN }
)
// TODO: Create a better test to cover `RoundRobinWorkerChoiceStrategy#choose`
- const promises = []
- for (let i = 0; i < max * 2; i++) {
- promises.push(pool.execute())
+ const maxMultiplier = 2
+ for (let i = 0; i < max * maxMultiplier; i++) {
+ await pool.execute()
}
- await Promise.all(promises)
// We need to clean up the resources after our test
await pool.destroy()
})
)
let results = new Set()
for (let i = 0; i < max; i++) {
- results.add(pool.chooseWorkerNode()[1].worker.id)
+ results.add(pool.workerNodes[pool.chooseWorkerNode()].worker.id)
}
expect(results.size).toBe(max)
await pool.destroy()
)
results = new Set()
for (let i = 0; i < max; i++) {
- results.add(pool.chooseWorkerNode()[1].worker.threadId)
+ results.add(pool.workerNodes[pool.chooseWorkerNode()].worker.threadId)
}
expect(results.size).toBe(max)
await pool.destroy()
await pool.destroy()
})
- it('Verify LESS_USED strategy default tasks usage statistics requirements', async () => {
- const workerChoiceStrategy = WorkerChoiceStrategies.LESS_USED
+ it('Verify LEAST_USED strategy default tasks usage statistics requirements', async () => {
+ const workerChoiceStrategy = WorkerChoiceStrategies.LEAST_USED
let pool = new FixedThreadPool(
max,
'./tests/worker-files/thread/testWorker.js',
{ workerChoiceStrategy }
)
expect(
- pool.workerChoiceStrategyContext.getRequiredStatistics().runTime
- ).toBe(false)
- expect(
- pool.workerChoiceStrategyContext.getRequiredStatistics().avgRunTime
- ).toBe(false)
- expect(
- pool.workerChoiceStrategyContext.getRequiredStatistics().medRunTime
- ).toBe(false)
+ pool.workerChoiceStrategyContext.getRequiredStatistics()
+ ).toStrictEqual({
+ runTime: false,
+ avgRunTime: false,
+ medRunTime: false,
+ waitTime: false,
+ avgWaitTime: false,
+ medWaitTime: false
+ })
await pool.destroy()
pool = new DynamicThreadPool(
min,
{ workerChoiceStrategy }
)
expect(
- pool.workerChoiceStrategyContext.getRequiredStatistics().runTime
- ).toBe(false)
- expect(
- pool.workerChoiceStrategyContext.getRequiredStatistics().avgRunTime
- ).toBe(false)
- expect(
- pool.workerChoiceStrategyContext.getRequiredStatistics().medRunTime
- ).toBe(false)
+ pool.workerChoiceStrategyContext.getRequiredStatistics()
+ ).toStrictEqual({
+ runTime: false,
+ avgRunTime: false,
+ medRunTime: false,
+ waitTime: false,
+ avgWaitTime: false,
+ medWaitTime: false
+ })
// We need to clean up the resources after our test
await pool.destroy()
})
- it('Verify LESS_USED strategy can be run in a fixed pool', async () => {
+ it('Verify LEAST_USED strategy can be run in a fixed pool', async () => {
const pool = new FixedThreadPool(
max,
'./tests/worker-files/thread/testWorker.js',
- { workerChoiceStrategy: WorkerChoiceStrategies.LESS_USED }
+ { workerChoiceStrategy: WorkerChoiceStrategies.LEAST_USED }
)
- // TODO: Create a better test to cover `LessUsedWorkerChoiceStrategy#choose`
- const promises = []
- for (let i = 0; i < max * 2; i++) {
- promises.push(pool.execute())
+ // TODO: Create a better test to cover `LeastUsedWorkerChoiceStrategy#choose`
+ const maxMultiplier = 2
+ for (let i = 0; i < max * maxMultiplier; i++) {
+ await pool.execute()
}
- await Promise.all(promises)
// We need to clean up the resources after our test
await pool.destroy()
})
- it('Verify LESS_USED strategy can be run in a dynamic pool', async () => {
+ it('Verify LEAST_USED strategy can be run in a dynamic pool', async () => {
const pool = new DynamicThreadPool(
min,
max,
'./tests/worker-files/thread/testWorker.js',
- { workerChoiceStrategy: WorkerChoiceStrategies.LESS_USED }
+ { workerChoiceStrategy: WorkerChoiceStrategies.LEAST_USED }
)
- // TODO: Create a better test to cover `LessUsedWorkerChoiceStrategy#choose`
- const promises = []
- for (let i = 0; i < max * 2; i++) {
- promises.push(pool.execute())
+ // TODO: Create a better test to cover `LeastUsedWorkerChoiceStrategy#choose`
+ const maxMultiplier = 2
+ for (let i = 0; i < max * maxMultiplier; i++) {
+ await pool.execute()
}
- await Promise.all(promises)
// We need to clean up the resources after our test
await pool.destroy()
})
- it('Verify LESS_BUSY strategy default tasks usage statistics requirements', async () => {
- const workerChoiceStrategy = WorkerChoiceStrategies.LESS_BUSY
+ it('Verify LEAST_BUSY strategy default tasks usage statistics requirements', async () => {
+ const workerChoiceStrategy = WorkerChoiceStrategies.LEAST_BUSY
let pool = new FixedThreadPool(
max,
'./tests/worker-files/thread/testWorker.js',
{ workerChoiceStrategy }
)
expect(
- pool.workerChoiceStrategyContext.getRequiredStatistics().runTime
- ).toBe(true)
- expect(
- pool.workerChoiceStrategyContext.getRequiredStatistics().avgRunTime
- ).toBe(false)
- expect(
- pool.workerChoiceStrategyContext.getRequiredStatistics().medRunTime
- ).toBe(false)
+ pool.workerChoiceStrategyContext.getRequiredStatistics()
+ ).toStrictEqual({
+ runTime: true,
+ avgRunTime: false,
+ medRunTime: false,
+ waitTime: false,
+ avgWaitTime: false,
+ medWaitTime: false
+ })
await pool.destroy()
pool = new DynamicThreadPool(
min,
{ workerChoiceStrategy }
)
expect(
- pool.workerChoiceStrategyContext.getRequiredStatistics().runTime
- ).toBe(true)
- expect(
- pool.workerChoiceStrategyContext.getRequiredStatistics().avgRunTime
- ).toBe(false)
- expect(
- pool.workerChoiceStrategyContext.getRequiredStatistics().medRunTime
- ).toBe(false)
+ pool.workerChoiceStrategyContext.getRequiredStatistics()
+ ).toStrictEqual({
+ runTime: true,
+ avgRunTime: false,
+ medRunTime: false,
+ waitTime: false,
+ avgWaitTime: false,
+ medWaitTime: false
+ })
// We need to clean up the resources after our test
await pool.destroy()
})
- it('Verify LESS_BUSY strategy can be run in a fixed pool', async () => {
+ it('Verify LEAST_BUSY strategy can be run in a fixed pool', async () => {
const pool = new FixedThreadPool(
max,
'./tests/worker-files/thread/testWorker.js',
- { workerChoiceStrategy: WorkerChoiceStrategies.LESS_BUSY }
+ { workerChoiceStrategy: WorkerChoiceStrategies.LEAST_BUSY }
)
- // TODO: Create a better test to cover `LessBusyWorkerChoiceStrategy#choose`
- const promises = []
- for (let i = 0; i < max * 2; i++) {
- promises.push(pool.execute())
+ // TODO: Create a better test to cover `LeastBusyWorkerChoiceStrategy#choose`
+ const maxMultiplier = 2
+ for (let i = 0; i < max * maxMultiplier; i++) {
+ await pool.execute()
}
- await Promise.all(promises)
// We need to clean up the resources after our test
await pool.destroy()
})
- it('Verify LESS_BUSY strategy can be run in a dynamic pool', async () => {
+ it('Verify LEAST_BUSY strategy can be run in a dynamic pool', async () => {
const pool = new DynamicThreadPool(
min,
max,
'./tests/worker-files/thread/testWorker.js',
- { workerChoiceStrategy: WorkerChoiceStrategies.LESS_BUSY }
+ { workerChoiceStrategy: WorkerChoiceStrategies.LEAST_BUSY }
)
- // TODO: Create a better test to cover `LessBusyWorkerChoiceStrategy#choose`
- const promises = []
- for (let i = 0; i < max * 2; i++) {
- promises.push(pool.execute())
+ // TODO: Create a better test to cover `LeastBusyWorkerChoiceStrategy#choose`
+ const maxMultiplier = 2
+ for (let i = 0; i < max * maxMultiplier; i++) {
+ await pool.execute()
}
- await Promise.all(promises)
// We need to clean up the resources after our test
await pool.destroy()
})
{ workerChoiceStrategy }
)
expect(
- pool.workerChoiceStrategyContext.getRequiredStatistics().runTime
- ).toBe(true)
- expect(
- pool.workerChoiceStrategyContext.getRequiredStatistics().avgRunTime
- ).toBe(true)
- expect(
- pool.workerChoiceStrategyContext.getRequiredStatistics().medRunTime
- ).toBe(false)
+ pool.workerChoiceStrategyContext.getRequiredStatistics()
+ ).toStrictEqual({
+ runTime: true,
+ avgRunTime: true,
+ medRunTime: false,
+ waitTime: false,
+ avgWaitTime: false,
+ medWaitTime: false
+ })
await pool.destroy()
pool = new DynamicThreadPool(
min,
{ workerChoiceStrategy }
)
expect(
- pool.workerChoiceStrategyContext.getRequiredStatistics().runTime
- ).toBe(true)
- expect(
- pool.workerChoiceStrategyContext.getRequiredStatistics().avgRunTime
- ).toBe(true)
- expect(
- pool.workerChoiceStrategyContext.getRequiredStatistics().medRunTime
- ).toBe(false)
+ pool.workerChoiceStrategyContext.getRequiredStatistics()
+ ).toStrictEqual({
+ runTime: true,
+ avgRunTime: true,
+ medRunTime: false,
+ waitTime: false,
+ avgWaitTime: false,
+ medWaitTime: false
+ })
// We need to clean up the resources after our test
await pool.destroy()
})
{ workerChoiceStrategy: WorkerChoiceStrategies.FAIR_SHARE }
)
// TODO: Create a better test to cover `FairShareChoiceStrategy#choose`
- const promises = []
- for (let i = 0; i < max * 2; i++) {
- promises.push(pool.execute())
+ const maxMultiplier = 2
+ for (let i = 0; i < max * maxMultiplier; i++) {
+ await pool.execute()
+ }
+ for (const workerNode of pool.workerNodes) {
+ expect(workerNode.tasksUsage).toStrictEqual({
+ run: maxMultiplier,
+ running: 0,
+ runTime: expect.any(Number),
+ runTimeHistory: expect.any(CircularArray),
+ avgRunTime: expect.any(Number),
+ medRunTime: 0,
+ waitTime: 0,
+ waitTimeHistory: expect.any(CircularArray),
+ avgWaitTime: 0,
+ medWaitTime: 0,
+ error: 0
+ })
+ expect(workerNode.tasksUsage.avgRunTime).toBeGreaterThanOrEqual(0)
}
- await Promise.all(promises)
expect(
pool.workerChoiceStrategyContext.workerChoiceStrategies.get(
pool.workerChoiceStrategyContext.workerChoiceStrategy
- ).workerLastVirtualTaskTimestamp.size
+ ).workersVirtualTaskEndTimestamp.length
).toBe(pool.workerNodes.length)
// We need to clean up the resources after our test
await pool.destroy()
{ workerChoiceStrategy: WorkerChoiceStrategies.FAIR_SHARE }
)
// TODO: Create a better test to cover `FairShareChoiceStrategy#choose`
- const promises = []
const maxMultiplier = 2
for (let i = 0; i < max * maxMultiplier; i++) {
- promises.push(pool.execute())
+ await pool.execute()
+ }
+ for (const workerNode of pool.workerNodes) {
+ expect(workerNode.tasksUsage).toStrictEqual({
+ run: max * maxMultiplier,
+ running: 0,
+ runTime: expect.any(Number),
+ runTimeHistory: expect.any(CircularArray),
+ avgRunTime: expect.any(Number),
+ medRunTime: 0,
+ waitTime: 0,
+ waitTimeHistory: expect.any(CircularArray),
+ avgWaitTime: 0,
+ medWaitTime: 0,
+ error: 0
+ })
+ expect(workerNode.tasksUsage.avgRunTime).toBeGreaterThanOrEqual(0)
}
- await Promise.all(promises)
- // if (process.platform !== 'win32') {
- // expect(
- // pool.workerChoiceStrategyContext.workerChoiceStrategies.get(
- // pool.workerChoiceStrategyContext.workerChoiceStrategy
- // ).workerLastVirtualTaskTimestamp.size
- // ).toBe(pool.workerNodes.length)
- // }
+ expect(
+ pool.workerChoiceStrategyContext.workerChoiceStrategies.get(
+ pool.workerChoiceStrategyContext.workerChoiceStrategy
+ ).workersVirtualTaskEndTimestamp.length
+ ).toBe(pool.workerNodes.length)
+ // We need to clean up the resources after our test
+ await pool.destroy()
+ })
+
+ it('Verify FAIR_SHARE strategy can be run in a dynamic pool with median runtime statistic', async () => {
+ const pool = new DynamicThreadPool(
+ min,
+ max,
+ './tests/worker-files/thread/testWorker.js',
+ {
+ workerChoiceStrategy: WorkerChoiceStrategies.FAIR_SHARE,
+ workerChoiceStrategyOptions: {
+ medRunTime: true
+ }
+ }
+ )
+ // TODO: Create a better test to cover `FairShareChoiceStrategy#choose`
+ const maxMultiplier = 2
+ for (let i = 0; i < max * maxMultiplier; i++) {
+ await pool.execute()
+ }
+ for (const workerNode of pool.workerNodes) {
+ expect(workerNode.tasksUsage).toStrictEqual({
+ run: max * maxMultiplier,
+ running: 0,
+ runTime: expect.any(Number),
+ runTimeHistory: expect.any(CircularArray),
+ avgRunTime: 0,
+ medRunTime: expect.any(Number),
+ waitTime: 0,
+ waitTimeHistory: expect.any(CircularArray),
+ avgWaitTime: 0,
+ medWaitTime: 0,
+ error: 0
+ })
+ expect(workerNode.tasksUsage.medRunTime).toBeGreaterThanOrEqual(0)
+ }
+ expect(
+ pool.workerChoiceStrategyContext.workerChoiceStrategies.get(
+ pool.workerChoiceStrategyContext.workerChoiceStrategy
+ ).workersVirtualTaskEndTimestamp.length
+ ).toBe(pool.workerNodes.length)
// We need to clean up the resources after our test
await pool.destroy()
})
expect(
pool.workerChoiceStrategyContext.workerChoiceStrategies.get(
workerChoiceStrategy
- ).workerLastVirtualTaskTimestamp
- ).toBeDefined()
+ ).workersVirtualTaskEndTimestamp
+ ).toBeInstanceOf(Array)
+ expect(
+ pool.workerChoiceStrategyContext.workerChoiceStrategies.get(
+ workerChoiceStrategy
+ ).workersVirtualTaskEndTimestamp.length
+ ).toBe(0)
+ pool.workerChoiceStrategyContext.workerChoiceStrategies.get(
+ workerChoiceStrategy
+ ).workersVirtualTaskEndTimestamp[0] = performance.now()
+ expect(
+ pool.workerChoiceStrategyContext.workerChoiceStrategies.get(
+ workerChoiceStrategy
+ ).workersVirtualTaskEndTimestamp.length
+ ).toBe(1)
pool.setWorkerChoiceStrategy(workerChoiceStrategy)
- for (const workerNodeKey of pool.workerChoiceStrategyContext.workerChoiceStrategies
- .get(pool.workerChoiceStrategyContext.workerChoiceStrategy)
- .workerLastVirtualTaskTimestamp.keys()) {
- expect(
- pool.workerChoiceStrategyContext.workerChoiceStrategies
- .get(pool.workerChoiceStrategyContext.workerChoiceStrategy)
- .workerLastVirtualTaskTimestamp.get(workerNodeKey).start
- ).toBe(0)
- expect(
- pool.workerChoiceStrategyContext.workerChoiceStrategies
- .get(pool.workerChoiceStrategyContext.workerChoiceStrategy)
- .workerLastVirtualTaskTimestamp.get(workerNodeKey).end
- ).toBe(0)
- }
+ expect(
+ pool.workerChoiceStrategyContext.workerChoiceStrategies.get(
+ workerChoiceStrategy
+ ).workersVirtualTaskEndTimestamp
+ ).toBeInstanceOf(Array)
+ expect(
+ pool.workerChoiceStrategyContext.workerChoiceStrategies.get(
+ workerChoiceStrategy
+ ).workersVirtualTaskEndTimestamp.length
+ ).toBe(0)
await pool.destroy()
pool = new DynamicThreadPool(
min,
expect(
pool.workerChoiceStrategyContext.workerChoiceStrategies.get(
workerChoiceStrategy
- ).workerLastVirtualTaskTimestamp
- ).toBeDefined()
+ ).workersVirtualTaskEndTimestamp
+ ).toBeInstanceOf(Array)
+ expect(
+ pool.workerChoiceStrategyContext.workerChoiceStrategies.get(
+ workerChoiceStrategy
+ ).workersVirtualTaskEndTimestamp.length
+ ).toBe(0)
+ pool.workerChoiceStrategyContext.workerChoiceStrategies.get(
+ workerChoiceStrategy
+ ).workersVirtualTaskEndTimestamp[0] = performance.now()
+ expect(
+ pool.workerChoiceStrategyContext.workerChoiceStrategies.get(
+ workerChoiceStrategy
+ ).workersVirtualTaskEndTimestamp.length
+ ).toBe(1)
pool.setWorkerChoiceStrategy(workerChoiceStrategy)
- for (const workerNodeKey of pool.workerChoiceStrategyContext.workerChoiceStrategies
- .get(pool.workerChoiceStrategyContext.workerChoiceStrategy)
- .workerLastVirtualTaskTimestamp.keys()) {
- expect(
- pool.workerChoiceStrategyContext.workerChoiceStrategies
- .get(pool.workerChoiceStrategyContext.workerChoiceStrategy)
- .workerLastVirtualTaskTimestamp.get(workerNodeKey).start
- ).toBe(0)
- expect(
- pool.workerChoiceStrategyContext.workerChoiceStrategies
- .get(pool.workerChoiceStrategyContext.workerChoiceStrategy)
- .workerLastVirtualTaskTimestamp.get(workerNodeKey).end
- ).toBe(0)
- }
+ expect(
+ pool.workerChoiceStrategyContext.workerChoiceStrategies.get(
+ workerChoiceStrategy
+ ).workersVirtualTaskEndTimestamp
+ ).toBeInstanceOf(Array)
+ expect(
+ pool.workerChoiceStrategyContext.workerChoiceStrategies.get(
+ workerChoiceStrategy
+ ).workersVirtualTaskEndTimestamp.length
+ ).toBe(0)
// We need to clean up the resources after our test
await pool.destroy()
})
{ workerChoiceStrategy }
)
expect(
- pool.workerChoiceStrategyContext.getRequiredStatistics().runTime
- ).toBe(true)
- expect(
- pool.workerChoiceStrategyContext.getRequiredStatistics().avgRunTime
- ).toBe(true)
- expect(
- pool.workerChoiceStrategyContext.getRequiredStatistics().medRunTime
- ).toBe(false)
+ pool.workerChoiceStrategyContext.getRequiredStatistics()
+ ).toStrictEqual({
+ runTime: true,
+ avgRunTime: true,
+ medRunTime: false,
+ waitTime: false,
+ avgWaitTime: false,
+ medWaitTime: false
+ })
await pool.destroy()
pool = new DynamicThreadPool(
min,
{ workerChoiceStrategy }
)
expect(
- pool.workerChoiceStrategyContext.getRequiredStatistics().runTime
- ).toBe(true)
- expect(
- pool.workerChoiceStrategyContext.getRequiredStatistics().avgRunTime
- ).toBe(true)
- expect(
- pool.workerChoiceStrategyContext.getRequiredStatistics().medRunTime
- ).toBe(false)
+ pool.workerChoiceStrategyContext.getRequiredStatistics()
+ ).toStrictEqual({
+ runTime: true,
+ avgRunTime: true,
+ medRunTime: false,
+ waitTime: false,
+ avgWaitTime: false,
+ medWaitTime: false
+ })
// We need to clean up the resources after our test
await pool.destroy()
})
{ workerChoiceStrategy: WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN }
)
// TODO: Create a better test to cover `WeightedRoundRobinWorkerChoiceStrategy#choose`
- const promises = []
- for (let i = 0; i < max * 2; i++) {
- promises.push(pool.execute())
+ const maxMultiplier = 2
+ for (let i = 0; i < max * maxMultiplier; i++) {
+ await pool.execute()
+ }
+ for (const workerNode of pool.workerNodes) {
+ expect(workerNode.tasksUsage).toStrictEqual({
+ run: max * maxMultiplier,
+ running: 0,
+ runTime: expect.any(Number),
+ runTimeHistory: expect.any(CircularArray),
+ avgRunTime: expect.any(Number),
+ medRunTime: 0,
+ waitTime: 0,
+ waitTimeHistory: expect.any(CircularArray),
+ avgWaitTime: 0,
+ medWaitTime: 0,
+ error: 0
+ })
+ expect(workerNode.tasksUsage.avgRunTime).toBeGreaterThanOrEqual(0)
}
- await Promise.all(promises)
expect(
pool.workerChoiceStrategyContext.workerChoiceStrategies.get(
pool.workerChoiceStrategyContext.workerChoiceStrategy
- ).workersTaskRunTime.size
- ).toBe(pool.workerNodes.length)
+ ).defaultWorkerWeight
+ ).toBeGreaterThan(0)
+ expect(
+ pool.workerChoiceStrategyContext.workerChoiceStrategies.get(
+ pool.workerChoiceStrategyContext.workerChoiceStrategy
+ ).workerVirtualTaskRunTime
+ ).toBeGreaterThanOrEqual(0)
// We need to clean up the resources after our test
await pool.destroy()
})
{ workerChoiceStrategy: WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN }
)
// TODO: Create a better test to cover `WeightedRoundRobinWorkerChoiceStrategy#choose`
- const promises = []
- const maxMultiplier =
+ const maxMultiplier = 2
+ for (let i = 0; i < max * maxMultiplier; i++) {
+ await pool.execute()
+ }
+ for (const workerNode of pool.workerNodes) {
+ expect(workerNode.tasksUsage).toStrictEqual({
+ run: max * maxMultiplier,
+ running: 0,
+ runTime: expect.any(Number),
+ runTimeHistory: expect.any(CircularArray),
+ avgRunTime: expect.any(Number),
+ medRunTime: 0,
+ waitTime: 0,
+ waitTimeHistory: expect.any(CircularArray),
+ avgWaitTime: 0,
+ medWaitTime: 0,
+ error: 0
+ })
+ expect(workerNode.tasksUsage.avgRunTime).toBeGreaterThanOrEqual(0)
+ }
+ expect(
+ pool.workerChoiceStrategyContext.workerChoiceStrategies.get(
+ pool.workerChoiceStrategyContext.workerChoiceStrategy
+ ).defaultWorkerWeight
+ ).toBeGreaterThan(0)
+ expect(
pool.workerChoiceStrategyContext.workerChoiceStrategies.get(
pool.workerChoiceStrategyContext.workerChoiceStrategy
- ).defaultWorkerWeight * 50
+ ).workerVirtualTaskRunTime
+ ).toBeGreaterThanOrEqual(0)
+ // We need to clean up the resources after our test
+ await pool.destroy()
+ })
+
+ it('Verify WEIGHTED_ROUND_ROBIN strategy can be run in a dynamic pool with median runtime statistic', async () => {
+ const pool = new DynamicThreadPool(
+ min,
+ max,
+ './tests/worker-files/thread/testWorker.js',
+ {
+ workerChoiceStrategy: WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN,
+ workerChoiceStrategyOptions: {
+ medRunTime: true
+ }
+ }
+ )
+ // TODO: Create a better test to cover `WeightedRoundRobinWorkerChoiceStrategy#choose`
+ const maxMultiplier = 2
for (let i = 0; i < max * maxMultiplier; i++) {
- promises.push(pool.execute())
+ await pool.execute()
}
- await Promise.all(promises)
- if (process.platform !== 'win32') {
- expect(
- pool.workerChoiceStrategyContext.workerChoiceStrategies.get(
- pool.workerChoiceStrategyContext.workerChoiceStrategy
- ).workersTaskRunTime.size
- ).toBe(pool.workerNodes.length)
+ for (const workerNode of pool.workerNodes) {
+ expect(workerNode.tasksUsage).toStrictEqual({
+ run: max * maxMultiplier,
+ running: 0,
+ runTime: expect.any(Number),
+ runTimeHistory: expect.any(CircularArray),
+ avgRunTime: 0,
+ medRunTime: expect.any(Number),
+ waitTime: 0,
+ waitTimeHistory: expect.any(CircularArray),
+ avgWaitTime: 0,
+ medWaitTime: 0,
+ error: 0
+ })
+ expect(workerNode.tasksUsage.medRunTime).toBeGreaterThanOrEqual(0)
}
+ expect(
+ pool.workerChoiceStrategyContext.workerChoiceStrategies.get(
+ pool.workerChoiceStrategyContext.workerChoiceStrategy
+ ).defaultWorkerWeight
+ ).toBeGreaterThan(0)
+ expect(
+ pool.workerChoiceStrategyContext.workerChoiceStrategies.get(
+ pool.workerChoiceStrategyContext.workerChoiceStrategy
+ ).workerVirtualTaskRunTime
+ ).toBeGreaterThanOrEqual(0)
// We need to clean up the resources after our test
await pool.destroy()
})
expect(
pool.workerChoiceStrategyContext.workerChoiceStrategies.get(
workerChoiceStrategy
- ).workersTaskRunTime
+ ).workerVirtualTaskRunTime
).toBeDefined()
pool.setWorkerChoiceStrategy(workerChoiceStrategy)
expect(
pool.workerChoiceStrategyContext.workerChoiceStrategy
).defaultWorkerWeight
).toBeGreaterThan(0)
- for (const workerNodeKey of pool.workerChoiceStrategyContext.workerChoiceStrategies
- .get(pool.workerChoiceStrategyContext.workerChoiceStrategy)
- .workersTaskRunTime.keys()) {
- expect(
- pool.workerChoiceStrategyContext.workerChoiceStrategies
- .get(pool.workerChoiceStrategyContext.workerChoiceStrategy)
- .workersTaskRunTime.get(workerNodeKey).runTime
- ).toBe(0)
- }
+ expect(
+ pool.workerChoiceStrategyContext.workerChoiceStrategies.get(
+ workerChoiceStrategy
+ ).workerVirtualTaskRunTime
+ ).toBe(0)
await pool.destroy()
pool = new DynamicThreadPool(
min,
expect(
pool.workerChoiceStrategyContext.workerChoiceStrategies.get(
workerChoiceStrategy
- ).workersTaskRunTime
+ ).workerVirtualTaskRunTime
).toBeDefined()
pool.setWorkerChoiceStrategy(workerChoiceStrategy)
expect(
pool.workerChoiceStrategyContext.workerChoiceStrategy
).defaultWorkerWeight
).toBeGreaterThan(0)
- for (const workerNodeKey of pool.workerChoiceStrategyContext.workerChoiceStrategies
- .get(pool.workerChoiceStrategyContext.workerChoiceStrategy)
- .workersTaskRunTime.keys()) {
- expect(
- pool.workerChoiceStrategyContext.workerChoiceStrategies
- .get(pool.workerChoiceStrategyContext.workerChoiceStrategy)
- .workersTaskRunTime.get(workerNodeKey).runTime
- ).toBe(0)
- }
+ expect(
+ pool.workerChoiceStrategyContext.workerChoiceStrategies.get(
+ workerChoiceStrategy
+ ).workerVirtualTaskRunTime
+ ).toBe(0)
// We need to clean up the resources after our test
await pool.destroy()
})
- it('Verify unknown strategies throw error', () => {
+ it('Verify unknown strategy throw error', () => {
expect(
() =>
new DynamicThreadPool(
'./tests/worker-files/thread/testWorker.js',
{ workerChoiceStrategy: 'UNKNOWN_STRATEGY' }
)
- ).toThrowError(
- new Error("Invalid worker choice strategy 'UNKNOWN_STRATEGY'")
- )
+ ).toThrowError("Invalid worker choice strategy 'UNKNOWN_STRATEGY'")
})
})