from django.db.models.functions import Random

from django.test import TestCase

from ..models import FloatModel

class RandomTests(TestCase):

    def test(self):

        FloatModel.objects.create()

        obj = FloatModel.objects.annotate(random=Random()).first()

        self.assertIsInstance(obj.random, float)

        self.assertGreaterEqual(obj.random, 0)

        self.assertLess(obj.random, 1)