def pytestcase_load_event_plus_delta_t_npy(tmpdir):
"""Tests loading a define number of events and consecutively a time window"""
filename, bboxes = create_temporary_npy_file(
tmpdir, "load_event_plus_delta_t",
"99999 0 BB_CREATE 7 96 102 22 21 0.3\n"
"99999 2 BB_CREATE 7 127 87 53 53 0.3\n"
"99999 3 BB_CREATE 7 141 81 119 78 0.7\n"
"100000 4 BB_CREATE 7 97 102 22 21 0.3\n"
"100000 5 BB_CREATE 6 8 69 51 53 0.6\n"
"199999 6 BB_CREATE 7 127 87 53 53 0.4\n"
"199999 7 BB_CREATE 7 141 81 119 78 0.7\n")
record = EventNpyReader(filename)
assert record.current_event_index() == 0
assert record.event_count() == 7
assert record.current_time == 0
events = record.load_n_events(3)
assert record.done is False
# current time should be the timestamp of the event that will be loaded next
assert record.current_time == 99999 + 1
events = record.load_delta_t(15000)
assert record.current_event_index() == 0 + 3 + 2
assert all([
np.allclose(events[name], bboxes[name][3:5])
for name in events.dtype.names
])
assert record.done is False
assert record.current_time == 99999 + 1 + 15000
assert record.done is False
def pytestcase_load_delta_t_too_much_npy(tmpdir):
"""Tests loading events in a time window larger than total file duration"""
filename, bboxes = create_temporary_npy_file(
tmpdir, "delta_t_too_much", "99999 0 BB_CREATE 7 96 102 22 21 0.3\n"
"99999 2 BB_CREATE 7 127 87 53 53 0.3\n"
"99999 3 BB_CREATE 7 141 81 119 78 0.7\n"
"100000 4 BB_CREATE 7 97 102 22 21 0.3\n"
"100000 5 BB_CREATE 6 8 69 51 53 0.6\n"
"199999 6 BB_CREATE 7 127 87 53 53 0.4\n"
"199999 7 BB_CREATE 7 141 81 119 78 0.7\n")
record = EventNpyReader(filename)
assert record.current_event_index() == 0
assert record.event_count() == 7
assert record.current_time == 0
events = record.load_delta_t(100000)
assert record.done is False
events = record.load_delta_t(10 * 100000)
assert record.done
assert all([
np.allclose(events[name], bboxes[name][3:])
for name in events.dtype.names
])
# current_time should be last event timestamp + 1
assert record.current_time == 199999 + 1
def pytestcase_load_delta_t_npy(tmpdir):
"""Tests loading events inside a time window"""
filename, bboxes = create_temporary_npy_file(
tmpdir, "delta_t", "99999 0 BB_CREATE 7 96 102 22 21 0.3\n"
"99999 2 BB_CREATE 7 127 87 53 53 0.3\n"
"99999 3 BB_CREATE 7 141 81 119 78 0.7\n"
"100000 4 BB_CREATE 7 97 102 22 21 0.3\n"
"100000 5 BB_CREATE 6 8 69 51 53 0.6\n"
"199999 6 BB_CREATE 7 127 87 53 53 0.4\n"
"199999 7 BB_CREATE 7 141 81 119 78 0.7\n")
record = EventNpyReader(filename)
assert record.current_event_index() == 0
assert record.event_count() == 7
assert record.current_time == 0
events = record.load_delta_t(100000)
assert record.done is False
assert all([
np.allclose(events[name], bboxes[name][:3])
for name in events.dtype.names
])
assert record.current_event_index() == 0 + 3
# current time should be 0 + 100000
assert record.current_time == 100000