mirror of https://github.com/django/django.git
37 lines
1.4 KiB
Python
37 lines
1.4 KiB
Python
|
import math
|
||
|
|
from decimal import Decimal
|
||
|
|
|
||
|
|
from django.db.models.functions import Mod
|
||
|
|
from django.test import TestCase
|
||
|
|
|
||
|
|
from ..models import DecimalModel, FloatModel, IntegerModel
|
||
|
|
|
||
|
|
|
||
|
|
class ModTests(TestCase):
|
||
|
|
|
||
|
|
def test_decimal(self):
|
||
|
|
DecimalModel.objects.create(n1=Decimal('-9.9'), n2=Decimal('4.6'))
|
||
|
|
obj = DecimalModel.objects.annotate(n_mod=Mod('n1', 'n2')).first()
|
||
|
|
self.assertIsInstance(obj.n_mod, Decimal)
|
||
|
|
self.assertAlmostEqual(obj.n_mod, Decimal(math.fmod(obj.n1, obj.n2)))
|
||
|
|
|
||
|
|
def test_float(self):
|
||
|
|
FloatModel.objects.create(f1=-25, f2=0.33)
|
||
|
|
obj = FloatModel.objects.annotate(f_mod=Mod('f1', 'f2')).first()
|
||
|
|
self.assertIsInstance(obj.f_mod, float)
|
||
|
|
self.assertAlmostEqual(obj.f_mod, math.fmod(obj.f1, obj.f2))
|
||
|
|
|
||
|
|
def test_integer(self):
|
||
|
|
IntegerModel.objects.create(small=20, normal=15, big=1)
|
||
|
|
obj = IntegerModel.objects.annotate(
|
||
|
|
small_mod=Mod('small', 'normal'),
|
||
|
|
normal_mod=Mod('normal', 'big'),
|
||
|
|
big_mod=Mod('big', 'small'),
|
||
|
|
).first()
|
||
|
|
self.assertIsInstance(obj.small_mod, float)
|
||
|
|
self.assertIsInstance(obj.normal_mod, float)
|
||
|
|
self.assertIsInstance(obj.big_mod, float)
|
||
|
|
self.assertEqual(obj.small_mod, math.fmod(obj.small, obj.normal))
|
||
|
|
self.assertEqual(obj.normal_mod, math.fmod(obj.normal, obj.big))
|
||
|
|
self.assertEqual(obj.big_mod, math.fmod(obj.big, obj.small))
|