def test_mismatched_dimensions(self): x_and_ys=[ (PintArray.from_1darray_quantity(ureg.Quantity([5], "m")), [1, 1]), (PintArray.from_1darray_quantity(ureg.Quantity([5, 5, 5], "m")), [1, 1]), (PintArray.from_1darray_quantity(self.Q_([5, 5], "m")), [1]), ] for x, y in x_and_ys: for op in comparative_ops + arithmetic_ops: self.assertRaises(ValueError, op, x, y)
def test_pintarray_creation(self): x = ureg.Quantity([1, 2, 3],"m") ys = [ PintArray.from_1darray_quantity(x), PintArray._from_sequence([item for item in x]) ] for y in ys: self.assertQuantityAlmostEqual(x,y.quantity)
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)
def test_pintarray_operations(self): # Perform operations with Quantities and PintArrays # The resulting Quantity and PintArray.Data should be the same # a op b == c # warnings ignored here as it these tests are to ensure # pint array behaviour is the same as quantity def test_op(a_pint, a_pint_array, b_, coerce=True): try: result_pint = op(a_pint, b_) if coerce: # a PintArray is returned from arithmetics, so need the data c_pint_array = op(a_pint_array, b_).quantity else: # a boolean array is returned from comparatives c_pint_array = op(a_pint_array, b_) self.assertQuantityAlmostEqual(result_pint, c_pint_array) except Exception as caught_exception: self.assertRaises(type(caught_exception), op, a_pint_array, b_) a_pints = [ ureg.Quantity([3, 4], "m"), ureg.Quantity([3, 4], ""), ] a_pint_arrays = [PintArray.from_1darray_quantity(q) for q in a_pints] bs = [ 2, ureg.Quantity(3, "m"), [1., 3.], [3.3, 4.4], ureg.Quantity([6, 6], "m"), ureg.Quantity([7., np.nan]), ] for a_pint, a_pint_array in zip(a_pints, a_pint_arrays): for b in bs: for op in arithmetic_ops: test_op(a_pint, a_pint_array, b) for op in comparative_ops: test_op(a_pint, a_pint_array, b, coerce=False)