def test_initialisation(self, data):
# fails with plain array
# works with PintArray
df = pd.DataFrame({
"length" : pd.Series([2,3], dtype="pint[m]"),
"width" : PintArray([2,3], dtype="pint[m]"),
"distance" : PintArray([2,3], dtype="m"),
"height" : PintArray([2,3], dtype=ureg.m),
"depth" : PintArray.from_1darray_quantity(ureg.Quantity([2,3],ureg.m)),
})
for col in df.columns:
assert all(df[col] == df.length)
class TestSeriesAccessors(object):
@pytest.mark.parametrize('attr', [
'debug_used',
'default_format',
'dimensionality',
'dimensionless',
'force_ndarray',
'shape',
'u',
'unitless',
'units',
])
def test_series_scalar_property_accessors(self, data, attr):
s = pd.Series(data)
assert getattr(s.pint, attr) == getattr(data.quantity,attr)
@pytest.mark.parametrize('attr', [
'm',
'magnitude',
#'imag', # failing, not sure why
#'real', # failing, not sure why
])
def test_series_property_accessors(self, data, attr):
s = pd.Series(data)
assert all(getattr(s.pint, attr) == pd.Series(getattr(data.quantity,attr)))
@pytest.mark.parametrize('attr_args', [
('check', ({"[length]": 1})),
('compatible_units', ()),
# ('format_babel', ()), Needs babel installed?
# ('plus_minus', ()), Needs uncertanties
#('to_tuple', ()),
('tolist', ())
])
def test_series_scalar_method_accessors(self, data, attr_args):
attr = attr_args[0]
args = attr_args[1]
s = pd.Series(data)
assert getattr(s.pint, attr)(*args) == getattr(data.quantity, attr)(*args)
@pytest.mark.parametrize('attr_args', [
('ito', ("mi",)),
('ito_base_units', ()),
('ito_reduced_units', ()),
('ito_root_units', ()),
('put', (1, 1 * ureg.nm))
])
def test_series_inplace_method_accessors(self, data, attr_args):
attr = attr_args[0]
args = attr_args[1]
from copy import deepcopy
s = pd.Series(deepcopy(data))
getattr(s.pint, attr)(*args)
getattr(data.quantity, attr)(*args)
assert all(s.values == data)
@pytest.mark.parametrize('attr_args', [
('clip', (10 * ureg.nm, 20 * ureg.nm)),
('from_tuple', (PintArray(np.arange(1,101), dtype=ureg.m).quantity.to_tuple(),)),
('m_as', ("mi",)),
('searchsorted', (10 * ureg.nm,)),
('to', ("m")),
('to_base_units', ()),
('to_compact', ()),
('to_reduced_units', ()),
('to_root_units', ()),
# ('to_timedelta', ()),
])
def test_series_method_accessors(self, data, attr_args):
attr=attr_args[0]
args=attr_args[1]
s = pd.Series(data)
assert all(getattr(s.pint, attr)(*args) == getattr(data.quantity,attr)(*args))