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Merged
merged 4 commits into from
Jun 30, 2022
Merged

Add functions to determine sample ranges of signals in multi-segment records #403

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56baee4
Add contained_ranges method to calculate sample ranges that contain a…
cx1111 Jun 30, 2022
201846b
Fix logic to account for empty segments and derive some fields in Mul…
cx1111 Jun 30, 2022
a1bb8a6
Add tests for contained_ranges
cx1111 Jun 30, 2022
6bf65e6
Add contained_combined_ranges function and test cases
cx1111 Jun 30, 2022
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Add tests for contained_ranges
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@cx1111
cx1111 committed Jun 30, 2022
commit a1bb8a66bb9c7ec5d23c06c33c66fa0a01fed05c
50 changes: 50 additions & 0 deletions tests/test_multi_record.py
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import wfdb


class TestMultiRecord:
def test_contained_ranges_simple_cases(self):
record = wfdb.MultiRecord(
segments=[
wfdb.Record(sig_name=["I", "II"], sig_len=5),
wfdb.Record(sig_name=["I", "III"], sig_len=10),
],
)

assert record.contained_ranges("I") == [(0, 15)]
assert record.contained_ranges("II") == [(0, 5)]
assert record.contained_ranges("III") == [(5, 15)]

def test_contained_ranges_variable_layout(self):
record = wfdb.rdheader(
"sample-data/multi-segment/s00001/s00001-2896-10-10-00-31",
rd_segments=True,
)

assert record.contained_ranges("II") == [
(3261, 10136),
(4610865, 10370865),
(10528365, 14518365),
]
assert record.contained_ranges("V") == [
(3261, 918261),
(920865, 4438365),
(4610865, 10370865),
(10528365, 14518365),
]
assert record.contained_ranges("MCL1") == [
(10136, 918261),
(920865, 4438365),
]
assert record.contained_ranges("ABP") == [
(14428365, 14450865),
(14458365, 14495865),
]

def test_contained_ranges_fixed_layout(self):
record = wfdb.rdheader(
"sample-data/multi-segment/041s/041s",
rd_segments=True,
)

for sig_name in record.sig_name:
assert record.contained_ranges(sig_name) == [(0, 2000)]