test_quantity.py 文件源码

def test_exponentiation(self, input_tuple, expected):
        self.ureg.default_as_delta = False
        in1, in2 = input_tuple
        if type(in1) is tuple and type(in2) is tuple:
            in1, in2 = self.Q_(*in1), self.Q_(*in2)
        elif not type(in1) is tuple and type(in2) is tuple:
            in2 = self.Q_(*in2)
        else:
            in1 = self.Q_(*in1)
        input_tuple = in1, in2
        expected_copy = expected[:]
        for i, mode in enumerate([False, True]):
            self.ureg.autoconvert_offset_to_baseunit = mode
            if expected_copy[i] == 'error':
                self.assertRaises((OffsetUnitCalculusError,
                                   DimensionalityError), op.pow, in1, in2)
            else:
                if type(expected_copy[i]) is tuple:
                    expected = self.Q_(*expected_copy[i])
                    self.assertEqual(op.pow(in1, in2).units, expected.units)
                else:
                    expected = expected_copy[i]
                self.assertQuantityAlmostEqual(op.pow(in1, in2), expected)