Method test_transform

tests/db_functions/math/test_cot.py:48–53

(self)

        self.assertAlmostEqual(obj.big_cot, 1 / math.tan(obj.big))

    def test_transform(self):
        with register_lookup(DecimalField, Cot):
            DecimalModel.objects.create(n1=Decimal("12.0"), n2=Decimal("0"))
            DecimalModel.objects.create(n1=Decimal("1.0"), n2=Decimal("0"))
            obj = DecimalModel.objects.filter(n1__cot__gt=0).get()
            self.assertEqual(obj.n1, Decimal("1.0"))