def test_next_task_should_return_nothing_when_pool_has_already_callbacked(self):
pool = DeferredPool('pool-name', queue=[])
pool.callback(Mock())
next_task = pool._next_task()
self.assertEqual(next_task, None)
def test_next_task_should_return_nothing_when_queue_is_empty_but_workers_are_still_running(self):
pool = DeferredPool('pool-name', queue=[])
pool.all_workers_idle = lambda: False
next_task = pool._next_task()
self.assertEqual(next_task, None)
def test_next_task_should_return_task_when_tasks_are_available(self, _):
pool = DeferredPool('pool-name', queue=['some-stuff'])
pool.all_workers_idle = lambda: False
next_task = pool._next_task()
self.assertEqual(next_task, 'some-stuff')
def test_next_task_should_return_task_when_tasks_are_available(self, _):
pool = DeferredPool('pool-name', queue=['some-stuff'])
pool.all_workers_idle = lambda: False
next_task = pool._next_task()
self.assertEqual(next_task, 'some-stuff')
def test_next_task_should_return_nothing_and_stop_workers_when_queue_is_empty_and_workers_are_idle(self, stop_workers):
pool = DeferredPool('pool-name', queue=[])
pool.all_workers_idle = lambda: True
next_task = pool._next_task()
self.assertEqual(next_task, None)
stop_workers.assert_called_with()
def test_next_task_should_return_nothing_when_queue_is_empty_but_workers_are_still_running(
self):
pool = DeferredPool('pool-name', queue=[])
pool.all_workers_idle = lambda: False
next_task = pool._next_task()
self.assertEqual(next_task, None)
def test_next_task_should_return_nothing_when_pool_has_already_callbacked(
self):
pool = DeferredPool('pool-name', queue=[])
pool.callback(Mock())
next_task = pool._next_task()
self.assertEqual(next_task, None)
def test_next_task_should_stop_workers_when_queue_is_not_empty_but_no_tasks_are_available_and_workers_are_idle(self, stop_workers, _):
pool = DeferredPool('pool-name', queue=['some-stuff'])
pool.all_workers_idle = lambda: True
pool.next_task_fun = lambda _: None
next_task = pool._next_task()
self.assertEqual(next_task, None)
stop_workers.assert_called_with()
def test_next_task_should_return_nothing_and_stop_workers_when_queue_is_empty_and_workers_are_idle(
self, stop_workers):
pool = DeferredPool('pool-name', queue=[])
pool.all_workers_idle = lambda: True
next_task = pool._next_task()
self.assertEqual(next_task, None)
stop_workers.assert_called_with()
def test_next_task_should_stop_workers_when_queue_is_not_empty_but_no_tasks_are_available_and_workers_are_idle(
self, stop_workers, _):
pool = DeferredPool('pool-name', queue=['some-stuff'])
pool.all_workers_idle = lambda: True
pool.next_task_fun = lambda _: None
next_task = pool._next_task()
self.assertEqual(next_task, None)
stop_workers.assert_called_with()
