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)]