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adapt the pint + dask test to the newest version of pint #7855

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Merged
merged 5 commits into from
May 25, 2023
Merged

adapt the pint + dask test to the newest version of pint #7855

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5266fe3
use the registry to create the quantities
keewis Apr 21, 2023
c4671c2
skip the `pint` + `dask` test before `pint=0.21`
keewis May 20, 2023
58458a2
also parse the static version
keewis May 20, 2023
35d8d5b
Merge branch 'main' into pint
keewis May 20, 2023
47b3f4c
Merge branch 'main' into pint
keewis May 25, 2023
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8 changes: 6 additions & 2 deletions xarray/tests/test_units.py
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Original file line number Diff line number Diff line change
Expand Up @@ -5627,16 +5627,20 @@ def test_merge(self, variant, unit, error, dtype):

@requires_dask
class TestPintWrappingDask:
@pytest.mark.skipif(
version.parse(pint.__version__) <= version.parse("0.21"),
reason="pint didn't support dask properly before 0.21",
)
def test_duck_array_ops(self):
import dask.array

d = dask.array.array([1, 2, 3])
q = pint.Quantity(d, units="m")
q = unit_registry.Quantity(d, units="m")
da = xr.DataArray(q, dims="x")

actual = da.mean().compute()
actual.name = None
expected = xr.DataArray(pint.Quantity(np.array(2.0), units="m"))
expected = xr.DataArray(unit_registry.Quantity(np.array(2.0), units="m"))

assert_units_equal(expected, actual)
# Don't use isinstance b/c we don't want to allow subclasses through
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