class TestResourceHistory(TestCase):
def setUp(self):
self.max_len = 4
self.resource_history = ResourceHistory(self.max_len)
def test_add(self):
next_resource_stamp = time() + 100
value = ResourceMonitorBase.FullResourceResult({}, 0)
assert (next_resource_stamp, value) not in self.resource_history._values
self.resource_history.add(next_resource_stamp, value)
assert (next_resource_stamp, value) == self.resource_history._values[1]
def test_add_prevents_old_entries(self):
with self.assertRaises(ValueError):
self.resource_history.add(-1, 10)
def test_get(self):
resource_stamp = time() + 100
value = ResourceMonitorBase.FullResourceResult({}, 0)
value_wrong = ResourceMonitorBase.FullResourceResult({}, 50)
self.resource_history.add(resource_stamp, value)
self.resource_history.add(resource_stamp + 1000, value_wrong)
self.resource_history.add(resource_stamp + 10000, value_wrong)
assert resource_stamp, value == self.resource_history.get(resource_stamp)
def test_sample_by_process_from_history(self, mock_get_active_processes):
fake_process_name_1 = 'fake-process-name-1'
fake_process_name_2 = 'fake-process-name-2'
task_path = '.'
task_monitor = TaskMonitor(task_path, 'fake-task-id')
fake_process_status_1 = ProcessStatus(process=fake_process_name_1)
fake_process_status_2 = ProcessStatus(process=fake_process_name_2)
mock_get_active_processes.return_value = [(fake_process_status_1, 1),
(fake_process_status_2, 2)]
fake_history = ResourceHistory(2)
fake_history.add(time(), ResourceMonitorBase.FullResourceResult(
{fake_process_status_1: ResourceMonitorBase.ProcResourceResult(ProcessSample.empty(), 1),
fake_process_status_2: ResourceMonitorBase.ProcResourceResult(ProcessSample.empty(), 2),
}, 10))
task_resource_monitor = TaskResourceMonitor('fake-task-id', task_monitor,
history_provider=self.FakeResourceHistoryProvider(fake_history))
assert task_resource_monitor.name == 'TaskResourceMonitor[fake-task-id]'
assert task_resource_monitor.sample_by_process(fake_process_name_1) == ProcessSample.empty()
assert task_resource_monitor.sample_by_process(fake_process_name_2) == ProcessSample.empty()
_, sample = task_resource_monitor.sample()
assert sample.num_procs == 3 # 1 pid in fake_process_status_1 and 2 in fake_process_status_2
assert sample.process_sample == ProcessSample.empty()
assert sample.disk_usage == 10
assert mock_get_active_processes.mock_calls == [mock.call(task_monitor),
mock.call(task_monitor)]