def test_from_son(self):
        field = DecimalField()

        expect(field.from_son(u"10.0230")).to_equal(Decimal("10.02"))
        expect(field.from_son(u"10.56948")).to_equal(Decimal("10.57"))
        expect(field.from_son(None)).to_be_null()
    def test_from_son(self):
        field = DecimalField()

        expect(field.from_son(u"10.0230")).to_equal(Decimal("10.02"))
        expect(field.from_son(u"10.56948")).to_equal(Decimal("10.57"))