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Function test_concat_dataset

xarray/tests/test_units.py:1002–1042  ·  view source on GitHub ↗
(variant, unit, error, dtype)

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1000 ),
1001)
1002def test_concat_dataset(variant, unit, error, dtype):
1003 original_unit = unit_registry.m
1004
1005 variants = {
1006 "data": ((original_unit, unit), (1, 1), (1, 1)),
1007 "dims": ((1, 1), (original_unit, unit), (1, 1)),
1008 "coords": ((1, 1), (1, 1), (original_unit, unit)),
1009 }
1010 (
1011 (data_unit1, data_unit2),
1012 (dim_unit1, dim_unit2),
1013 (coord_unit1, coord_unit2),
1014 ) = variants[variant]
1015
1016 array1 = np.linspace(0, 5, 10).astype(dtype) * data_unit1
1017 array2 = np.linspace(-5, 0, 5).astype(dtype) * data_unit2
1018
1019 x1 = np.arange(5, 15) * dim_unit1
1020 x2 = np.arange(5) * dim_unit2
1021
1022 u1 = np.linspace(1, 2, 10).astype(dtype) * coord_unit1
1023 u2 = np.linspace(0, 1, 5).astype(dtype) * coord_unit2
1024
1025 ds1 = xr.Dataset(data_vars={"a": ("x", array1)}, coords={"x": x1, "u": ("x", u1)})
1026 ds2 = xr.Dataset(data_vars={"a": ("x", array2)}, coords={"x": x2, "u": ("x", u2)})
1027
1028 if error is not None:
1029 with pytest.raises(error):
1030 xr.concat([ds1, ds2], dim="x")
1031
1032 return
1033
1034 units = extract_units(ds1)
1035 expected = attach_units(
1036 xr.concat([strip_units(ds1), strip_units(convert_units(ds2, units))], dim="x"),
1037 units,
1038 )
1039 actual = xr.concat([ds1, ds2], dim="x")
1040
1041 assert_units_equal(expected, actual)
1042 assert_identical(expected, actual)
1043
1044
1045@pytest.mark.parametrize(

Callers

nothing calls this directly

Calls 10

assert_identicalFunction · 0.90
extract_unitsFunction · 0.85
attach_unitsFunction · 0.85
strip_unitsFunction · 0.85
convert_unitsFunction · 0.85
assert_units_equalFunction · 0.85
linspaceMethod · 0.80
arangeMethod · 0.80
astypeMethod · 0.45
concatMethod · 0.45

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