def pytestcase_load_n_events_second_test(dataset_dir): """Tests loading events of a file by n events with different values""" filename = os.path.join(dataset_dir, "metavision_core", "event_io", "recording_td.dat") record = EventDatReader(filename) assert record.current_event_index() == 0 assert record.event_count() == 667855 events = record.load_n_events(824) assert record.current_event_index() == 824 assert record.done is False # current time should be the timestamp of the event that will be loaded next assert record.current_time == 9814 events = record.load_n_events(2) reference = np.array([(364, 97, 0, 9814), (254, 463, 0, 9824)], dtype={'names': ['x', 'y', 'p', 't'], 'formats': ['<u2', '<u2', '<i2', '<i8'], 'offsets': [0, 2, 4, 8], 'itemsize': 16}) assert all([np.allclose(events[name], reference[name]) for name in events.dtype.names]) assert record.current_event_index() == 826 assert not record.done # current time should be the timestamp of the last event + 1 assert record.current_time == 9867
def pytestcase_init(dataset_dir): """Tests initialization of all member variables after creation of EventDatReader object from a file""" filename = os.path.join(dataset_dir, "metavision_core", "event_io", "recording_td.dat") record = EventDatReader(filename) # check that the representation strings Works print(record) assert record.ev_type == 12 assert record._ev_size == 8 assert record.get_size() == [480, 640] assert EV_TYPES[record.ev_type] == [('t', 'u4'), ('_', 'i4')] assert record.event_count() == 667855 assert record.done is False assert record.current_time == 0 assert record.current_event_index() == 0 assert record.duration_s == 7.702845 assert record.load_n_events(1).dtype == np.dtype({'names': ['x', 'y', 'p', 't'], 'formats': ['<u2', '<u2', '<i2', '<i8'], 'offsets': [0, 2, 4, 8], 'itemsize': 16})