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Silence clean-up warnings from test_backends #10758

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Sep 17, 2025
Merged

Silence clean-up warnings from test_backends #10758

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14 changes: 7 additions & 7 deletions xarray/tests/test_backends.py
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Original file line number Diff line number Diff line change
Expand Up @@ -626,17 +626,15 @@ def test_dataset_compute(self) -> None:
def test_pickle(self) -> None:
expected = Dataset({"foo": ("x", [42])})
with self.roundtrip(expected, allow_cleanup_failure=ON_WINDOWS) as roundtripped:
with roundtripped:
# Windows doesn't like reopening an already open file
raw_pickle = pickle.dumps(roundtripped)
# Windows doesn't like reopening an already open file
raw_pickle = pickle.dumps(roundtripped)
with pickle.loads(raw_pickle) as unpickled_ds:
assert_identical(expected, unpickled_ds)

def test_pickle_dataarray(self) -> None:
expected = Dataset({"foo": ("x", [42])})
with self.roundtrip(expected, allow_cleanup_failure=ON_WINDOWS) as roundtripped:
with roundtripped:
raw_pickle = pickle.dumps(roundtripped["foo"])
raw_pickle = pickle.dumps(roundtripped["foo"])
with pickle.loads(raw_pickle) as unpickled:
assert_identical(expected["foo"], unpickled)

Expand Down Expand Up @@ -6897,6 +6895,7 @@ def test_use_cftime_false_standard_calendar_in_range(calendar) -> None:


@requires_scipy_or_netCDF4
@pytest.mark.filterwarnings("ignore:deallocating CachingFileManager")
@pytest.mark.parametrize("calendar", ["standard", "gregorian"])
def test_use_cftime_false_standard_calendar_out_of_range(calendar) -> None:
x = [0, 1]
Expand All @@ -6909,12 +6908,13 @@ def test_use_cftime_false_standard_calendar_out_of_range(calendar) -> None:

with create_tmp_file() as tmp_file:
original.to_netcdf(tmp_file)
decoder = CFDatetimeCoder(use_cftime=False)
with pytest.raises((OutOfBoundsDatetime, ValueError)):
decoder = CFDatetimeCoder(use_cftime=False)
open_dataset(tmp_file, decode_times=decoder)


@requires_scipy_or_netCDF4
@pytest.mark.filterwarnings("ignore:deallocating CachingFileManager")
@pytest.mark.parametrize("calendar", _NON_STANDARD_CALENDARS)
@pytest.mark.parametrize("units_year", [1500, 2000, 2500])
def test_use_cftime_false_nonstandard_calendar(calendar, units_year) -> None:
Expand All @@ -6928,8 +6928,8 @@ def test_use_cftime_false_nonstandard_calendar(calendar, units_year) -> None:

with create_tmp_file() as tmp_file:
original.to_netcdf(tmp_file)
decoder = CFDatetimeCoder(use_cftime=False)
with pytest.raises((OutOfBoundsDatetime, ValueError)):
decoder = CFDatetimeCoder(use_cftime=False)
open_dataset(tmp_file, decode_times=decoder)


Expand Down
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