await dynamicPool.destroy()
})
+ it('Verify that constructor() initializes the context with all the available worker choice strategies', () => {
+ const workerChoiceStrategyContext = new WorkerChoiceStrategyContext(
+ fixedPool
+ )
+ expect(workerChoiceStrategyContext.workerChoiceStrategies.size).toBe(
+ Object.keys(WorkerChoiceStrategies).length
+ )
+ })
+
it('Verify that execute() return the worker chosen by the strategy with fixed pool', () => {
const workerChoiceStrategyContext = new WorkerChoiceStrategyContext(
fixedPool
const workerChoiceStrategyContext = new WorkerChoiceStrategyContext(
fixedPool
)
+ expect(
+ workerChoiceStrategyContext.workerChoiceStrategies.get(
+ WorkerChoiceStrategies.ROUND_ROBIN
+ ).isDynamicPool
+ ).toBe(false)
expect(
workerChoiceStrategyContext.workerChoiceStrategies.get(
WorkerChoiceStrategies.ROUND_ROBIN
WorkerChoiceStrategies.ROUND_ROBIN
)
workerChoiceStrategyContext.setWorkerChoiceStrategy(
- fixedPool,
WorkerChoiceStrategies.ROUND_ROBIN
)
expect(
const workerChoiceStrategyContext = new WorkerChoiceStrategyContext(
dynamicPool
)
+ expect(
+ workerChoiceStrategyContext.workerChoiceStrategies.get(
+ WorkerChoiceStrategies.ROUND_ROBIN
+ ).isDynamicPool
+ ).toBe(true)
expect(
workerChoiceStrategyContext.workerChoiceStrategies.get(
WorkerChoiceStrategies.ROUND_ROBIN
WorkerChoiceStrategies.ROUND_ROBIN
)
workerChoiceStrategyContext.setWorkerChoiceStrategy(
- dynamicPool,
WorkerChoiceStrategies.ROUND_ROBIN
)
expect(
const workerChoiceStrategyContext = new WorkerChoiceStrategyContext(
fixedPool
)
+ expect(
+ workerChoiceStrategyContext.workerChoiceStrategies.get(
+ WorkerChoiceStrategies.LESS_USED
+ ).isDynamicPool
+ ).toBe(false)
workerChoiceStrategyContext.setWorkerChoiceStrategy(
- fixedPool,
WorkerChoiceStrategies.LESS_USED
)
expect(
const workerChoiceStrategyContext = new WorkerChoiceStrategyContext(
dynamicPool
)
+ expect(
+ workerChoiceStrategyContext.workerChoiceStrategies.get(
+ WorkerChoiceStrategies.LESS_USED
+ ).isDynamicPool
+ ).toBe(true)
workerChoiceStrategyContext.setWorkerChoiceStrategy(
- dynamicPool,
WorkerChoiceStrategies.LESS_USED
)
expect(
const workerChoiceStrategyContext = new WorkerChoiceStrategyContext(
fixedPool
)
+ expect(
+ workerChoiceStrategyContext.workerChoiceStrategies.get(
+ WorkerChoiceStrategies.LESS_BUSY
+ ).isDynamicPool
+ ).toBe(false)
workerChoiceStrategyContext.setWorkerChoiceStrategy(
- fixedPool,
WorkerChoiceStrategies.LESS_BUSY
)
expect(
const workerChoiceStrategyContext = new WorkerChoiceStrategyContext(
dynamicPool
)
+ expect(
+ workerChoiceStrategyContext.workerChoiceStrategies.get(
+ WorkerChoiceStrategies.LESS_BUSY
+ ).isDynamicPool
+ ).toBe(true)
workerChoiceStrategyContext.setWorkerChoiceStrategy(
- dynamicPool,
WorkerChoiceStrategies.LESS_BUSY
)
expect(
const workerChoiceStrategyContext = new WorkerChoiceStrategyContext(
fixedPool
)
+ expect(
+ workerChoiceStrategyContext.workerChoiceStrategies.get(
+ WorkerChoiceStrategies.FAIR_SHARE
+ ).isDynamicPool
+ ).toBe(false)
workerChoiceStrategyContext.setWorkerChoiceStrategy(
- fixedPool,
WorkerChoiceStrategies.FAIR_SHARE
)
expect(
const workerChoiceStrategyContext = new WorkerChoiceStrategyContext(
dynamicPool
)
+ expect(
+ workerChoiceStrategyContext.workerChoiceStrategies.get(
+ WorkerChoiceStrategies.FAIR_SHARE
+ ).isDynamicPool
+ ).toBe(true)
workerChoiceStrategyContext.setWorkerChoiceStrategy(
- dynamicPool,
WorkerChoiceStrategies.FAIR_SHARE
)
expect(
const workerChoiceStrategyContext = new WorkerChoiceStrategyContext(
fixedPool
)
+ expect(
+ workerChoiceStrategyContext.workerChoiceStrategies.get(
+ WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN
+ ).isDynamicPool
+ ).toBe(false)
workerChoiceStrategyContext.setWorkerChoiceStrategy(
- fixedPool,
WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN
)
expect(
const workerChoiceStrategyContext = new WorkerChoiceStrategyContext(
dynamicPool
)
+ expect(
+ workerChoiceStrategyContext.workerChoiceStrategies.get(
+ WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN
+ ).isDynamicPool
+ ).toBe(true)
workerChoiceStrategyContext.setWorkerChoiceStrategy(
- dynamicPool,
WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN
)
expect(
WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN
)
})
-
- it('Verify that getWorkerChoiceStrategy() default return ROUND_ROBIN strategy', () => {
- const workerChoiceStrategyContext = new WorkerChoiceStrategyContext(
- fixedPool
- )
- const strategy =
- workerChoiceStrategyContext.getWorkerChoiceStrategy(fixedPool)
- expect(strategy).toBeInstanceOf(RoundRobinWorkerChoiceStrategy)
- })
-
- it('Verify that getWorkerChoiceStrategy() can return ROUND_ROBIN strategy', () => {
- const workerChoiceStrategyContext = new WorkerChoiceStrategyContext(
- fixedPool
- )
- const strategy = workerChoiceStrategyContext.getWorkerChoiceStrategy(
- fixedPool,
- WorkerChoiceStrategies.ROUND_ROBIN
- )
- expect(strategy).toBeInstanceOf(RoundRobinWorkerChoiceStrategy)
- })
-
- it('Verify that getWorkerChoiceStrategy() can return LESS_USED strategy', () => {
- const workerChoiceStrategyContext = new WorkerChoiceStrategyContext(
- fixedPool
- )
- const strategy = workerChoiceStrategyContext.getWorkerChoiceStrategy(
- fixedPool,
- WorkerChoiceStrategies.LESS_USED
- )
- expect(strategy).toBeInstanceOf(LessUsedWorkerChoiceStrategy)
- })
-
- it('Verify that getWorkerChoiceStrategy() can return LESS_BUSY strategy', () => {
- const workerChoiceStrategyContext = new WorkerChoiceStrategyContext(
- fixedPool
- )
- const strategy = workerChoiceStrategyContext.getWorkerChoiceStrategy(
- fixedPool,
- WorkerChoiceStrategies.LESS_BUSY
- )
- expect(strategy).toBeInstanceOf(LessBusyWorkerChoiceStrategy)
- })
-
- it('Verify that getWorkerChoiceStrategy() can return FAIR_SHARE strategy', () => {
- const workerChoiceStrategyContext = new WorkerChoiceStrategyContext(
- fixedPool
- )
- const strategy = workerChoiceStrategyContext.getWorkerChoiceStrategy(
- fixedPool,
- WorkerChoiceStrategies.FAIR_SHARE
- )
- expect(strategy).toBeInstanceOf(FairShareWorkerChoiceStrategy)
- })
-
- it('Verify that getWorkerChoiceStrategy() can return WEIGHTED_ROUND_ROBIN strategy', () => {
- const workerChoiceStrategyContext = new WorkerChoiceStrategyContext(
- fixedPool
- )
- const strategy = workerChoiceStrategyContext.getWorkerChoiceStrategy(
- fixedPool,
- WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN
- )
- expect(strategy).toBeInstanceOf(WeightedRoundRobinWorkerChoiceStrategy)
- })
-
- it('Verify that getWorkerChoiceStrategy() throw error on unknown strategy', () => {
- const workerChoiceStrategyContext = new WorkerChoiceStrategyContext(
- fixedPool
- )
- expect(() => {
- workerChoiceStrategyContext.getWorkerChoiceStrategy(
- fixedPool,
- 'UNKNOWN_STRATEGY'
- )
- }).toThrowError(
- new Error("Worker choice strategy 'UNKNOWN_STRATEGY' not found")
- )
- })
})