Fixed test failure on Oracle: model_fields.tests.test_float_validates_object

from django import test

from django import forms

from django.core.exceptions import ValidationError

from django.db import connection, models, IntegrityError

from django.db import connection, transaction, models, IntegrityError

from django.db.models.fields import (

    AutoField, BigIntegerField, BinaryField, BooleanField, CharField,

    CommaSeparatedIntegerField, DateField, DateTimeField, DecimalField,

    def test_float_validates_object(self):

        instance = FloatModel(size=2.5)

        # Try setting float field to unsaved object

        instance.size = instance

        with transaction.atomic():

            with self.assertRaises(TypeError):

                instance.save()

        # Set value to valid and save

        instance.size = 2.5

        instance.save()

        self.assertTrue(instance.id)

        obj = FloatModel.objects.get(pk=1)

        # Set field to object on saved instance

        instance.size = instance

        with transaction.atomic():

            with self.assertRaises(TypeError):

                instance.save()

        # Try setting field to object on retrieved object

        obj = FloatModel.objects.get(pk=instance.id)

        obj.size = obj

        with self.assertRaises(TypeError):

            obj.save()