def test_meas_date_orig_time():
"""Test the relation between meas_time in orig_time."""
# meas_time is set and orig_time is set:
# clips the annotations based on raw.data and resets the annotation based
# on raw.info['meas_date]
raw = _raw_annot(1, 1.5)
assert raw.annotations.orig_time == 1
assert raw.annotations.onset[0] == 1
# meas_time is set and orig_time is None:
# Consider annot.orig_time to be raw.frist_sample, clip and reset
# annotations to have the raw.annotations.orig_time == raw.info['meas_date]
raw = _raw_annot(1, None)
assert raw.annotations.orig_time == 1
assert raw.annotations.onset[0] == 1.5
# meas_time is None and orig_time is set:
# Raise error, it makes no sense to have an annotations object that we know
# when was acquired and set it to a raw object that does not know when was
# it acquired.
with pytest.raises(RuntimeError, match='Ambiguous operation'):
_raw_annot(None, 1.5)
# meas_time is None and orig_time is None:
# Consider annot.orig_time to be raw.first_sample and clip
raw = _raw_annot(None, None)
assert raw.annotations.orig_time is None
assert raw.annotations.onset[0] == 0.5
assert raw.annotations.duration[0] == 0.2
def test_meas_date_orig_time():
"""Test the relation between meas_time in orig_time."""
# meas_time is set and orig_time is set:
# clips the annotations based on raw.data and resets the annotation based
# on raw.info['meas_date]
raw = _raw_annot(1, 1.5)
assert raw.annotations.orig_time == _stamp_to_dt((1, 0))
assert raw.annotations.onset[0] == 1
# meas_time is set and orig_time is None:
# Consider annot.orig_time to be raw.frist_sample, clip and reset
# annotations to have the raw.annotations.orig_time == raw.info['meas_date]
raw = _raw_annot(1, None)
assert raw.annotations.orig_time == _stamp_to_dt((1, 0))
assert raw.annotations.onset[0] == 1.5
# meas_time is None and orig_time is set:
# Raise error, it makes no sense to have an annotations object that we know
# when was acquired and set it to a raw object that does not know when was
# it acquired.
with pytest.raises(RuntimeError, match='Ambiguous operation'):
_raw_annot(None, 1.5)
# meas_time is None and orig_time is None:
# Consider annot.orig_time to be raw.first_sample and clip
raw = _raw_annot(None, None)
assert raw.annotations.orig_time is None
assert raw.annotations.onset[0] == 1.5
assert raw.annotations.duration[0] == 0.2
def test_events_from_annot_onset_alingment():
"""Test events and annotations onset are the same."""
raw = _raw_annot(meas_date=1, orig_time=1.5)
# sec 0 1 2 3
# raw . |--------XXXXXXXXX
# annot . |---XX
# raw.annot . |--------XX
# latency . 0 1 2
# . 0 0
assert raw.annotations.orig_time == 1
assert raw.annotations.onset[0] == 1
assert raw.first_samp == 10
event_latencies, event_id = events_from_annotations(raw)
assert event_latencies[0, 0] == 10
assert raw.first_samp == event_latencies[0, 0]
