- it('Verify once()', () => {
- let called = 0
- const fn = () => ++called
- const onceFn = once(fn, this)
- const result1 = onceFn()
- expect(called).toBe(1)
- expect(result1).toBe(1)
- const result2 = onceFn()
- expect(called).toBe(1)
- expect(result2).toBe(1)
- const result3 = onceFn()
- expect(called).toBe(1)
- expect(result3).toBe(1)
+ it('Verify getWorkerChoiceStrategyRetries() behavior', async () => {
+ const numberOfThreads = 4
+ const pool = new FixedThreadPool(
+ numberOfThreads,
+ './tests/worker-files/thread/testWorker.mjs'
+ )
+ expect(getWorkerChoiceStrategyRetries(pool)).toBe(pool.info.maxSize * 2)
+ const workerChoiceStrategyOptions = {
+ runTime: { median: true },
+ waitTime: { median: true },
+ elu: { median: true },
+ weights: {
+ 0: 100,
+ 1: 100
+ }
+ }
+ expect(
+ getWorkerChoiceStrategyRetries(pool, workerChoiceStrategyOptions)
+ ).toBe(
+ pool.info.maxSize +
+ Object.keys(workerChoiceStrategyOptions.weights).length
+ )
+ await pool.destroy()
+ })
+
+ it('Verify buildWorkerChoiceStrategyOptions() behavior', async () => {
+ const numberOfWorkers = 4
+ const pool = new FixedClusterPool(
+ numberOfWorkers,
+ './tests/worker-files/cluster/testWorker.cjs'
+ )
+ expect(buildWorkerChoiceStrategyOptions(pool)).toStrictEqual({
+ runTime: { median: false },
+ waitTime: { median: false },
+ elu: { median: false },
+ weights: expect.objectContaining({
+ 0: expect.any(Number),
+ [pool.info.maxSize - 1]: expect.any(Number)
+ })
+ })
+ const workerChoiceStrategyOptions = {
+ runTime: { median: true },
+ waitTime: { median: true },
+ elu: { median: true },
+ weights: {
+ 0: 100,
+ 1: 100
+ }
+ }
+ expect(
+ buildWorkerChoiceStrategyOptions(pool, workerChoiceStrategyOptions)
+ ).toStrictEqual(workerChoiceStrategyOptions)
+ await pool.destroy()