def setUp(self):
self.measurementManager = MockTaskManager()
self.measurementManager.concurrency = 20
self.measurementManager.retries = 2
self.measurementManager.start()
self.clock = task.Clock()
class TestTaskManager(unittest.TestCase):
timeout = 1
def setUp(self):
self.measurementManager = MockTaskManager()
self.measurementManager.concurrency = 20
self.measurementManager.retries = 2
self.measurementManager.start()
self.clock = task.Clock()
def schedule_successful_tasks(self, task_type, number=1):
all_done = []
for x in range(number):
mock_task = task_type()
all_done.append(mock_task.done)
self.measurementManager.schedule(mock_task)
d = defer.DeferredList(all_done)
@d.addCallback
def done(res):
for task_result, task_instance in self.measurementManager.successes:
self.assertEqual(task_result, 42)
self.assertIsInstance(task_instance, task_type)
return d
def schedule_failing_tasks(self, task_type, number=1):
all_done = []
for x in range(number):
mock_task = task_type()
all_done.append(mock_task.done)
self.measurementManager.schedule(mock_task)
d = defer.DeferredList(all_done)
@d.addCallback
def done(res):
# 10*2 because 2 is the number of retries
self.assertEqual(len(self.measurementManager.failures), number*3)
for task_result, task_instance in self.measurementManager.failures:
self.assertEqual(task_result, mockFailure)
self.assertIsInstance(task_instance, task_type)
return d
def test_schedule_failing_with_mock_failure_task(self):
mock_task = MockFailTask()
self.measurementManager.schedule(mock_task)
self.assertFailure(mock_task.done, MockFailure)
return mock_task.done
def test_schedule_successful_one_task(self):
return self.schedule_successful_tasks(MockSuccessTask)
def test_schedule_successful_one_task_with_timeout(self):
return self.schedule_successful_tasks(MockSuccessTaskWithTimeout)
def test_schedule_failing_tasks_that_timesout(self):
self.measurementManager.retries = 0
task_type = MockFailTaskThatTimesOut
task_timeout = 5
mock_task = task_type()
mock_task.timeout = task_timeout
mock_task.clock = self.clock
self.measurementManager.schedule(mock_task)
self.clock.advance(task_timeout)
@mock_task.done.addBoth
def done(res):
self.assertEqual(len(self.measurementManager.failures), 1)
for task_result, task_instance in self.measurementManager.failures:
self.assertIsInstance(task_instance, task_type)
return mock_task.done
def test_schedule_time_out_once(self):
task_type = MockTimeoutOnceTask
task_timeout = 5
mock_task = task_type()
mock_task.timeout = task_timeout
mock_task.clock = self.clock
self.measurementManager.schedule(mock_task)
self.clock.advance(task_timeout)
@mock_task.done.addBoth
def done(res):
self.assertEqual(len(self.measurementManager.failures), 1)
for task_result, task_instance in self.measurementManager.failures:
self.assertIsInstance(task_instance, task_type)
for task_result, task_instance in self.measurementManager.successes:
self.assertEqual(task_result, 42)
self.assertIsInstance(task_instance, task_type)
return mock_task.done
def test_schedule_failing_one_task(self):
return self.schedule_failing_tasks(MockFailTask)
def test_schedule_failing_one_task_with_timeout(self):
return self.schedule_failing_tasks(MockFailTaskWithTimeout)
def test_schedule_successful_ten_tasks(self):
return self.schedule_successful_tasks(MockSuccessTask, number=10)
def test_schedule_failing_ten_tasks(self):
return self.schedule_failing_tasks(MockFailTask, number=10)
def test_schedule_successful_27_tasks(self):
return self.schedule_successful_tasks(MockSuccessTask, number=27)
def test_schedule_failing_27_tasks(self):
return self.schedule_failing_tasks(MockFailTask, number=27)
def test_task_retry_and_succeed(self):
mock_task = MockFailOnceTask()
self.measurementManager.schedule(mock_task)
@mock_task.done.addCallback
def done(res):
self.assertEqual(len(self.measurementManager.failures), 1)
self.assertEqual(self.measurementManager.failures,
[(mockFailure, mock_task)])
self.assertEqual(self.measurementManager.successes,
[(42, mock_task)])
return mock_task.done
def dd_test_task_retry_and_succeed_56_tasks(self):
"""
XXX this test fails in a non-deterministic manner.
"""
all_done = []
number = 56
for x in range(number):
mock_task = MockFailOnceTask()
all_done.append(mock_task.done)
self.measurementManager.schedule(mock_task)
d = defer.DeferredList(all_done)
@d.addCallback
def done(res):
self.assertEqual(len(self.measurementManager.failures), number)
for task_result, task_instance in self.measurementManager.successes:
self.assertEqual(task_result, 42)
self.assertIsInstance(task_instance, MockFailOnceTask)
return d
