| import math |
| from decimal import Decimal |
|
|
| from django.db.models import DecimalField |
| from django.db.models.functions import Ceil |
| from django.test import TestCase |
| from django.test.utils import register_lookup |
|
|
| from ..models import DecimalModel, FloatModel, IntegerModel |
|
|
|
|
| class CeilTests(TestCase): |
| def test_null(self): |
| IntegerModel.objects.create() |
| obj = IntegerModel.objects.annotate(null_ceil=Ceil("normal")).first() |
| self.assertIsNone(obj.null_ceil) |
|
|
| def test_decimal(self): |
| DecimalModel.objects.create(n1=Decimal("12.9"), n2=Decimal("0.6")) |
| obj = DecimalModel.objects.annotate( |
| n1_ceil=Ceil("n1"), n2_ceil=Ceil("n2") |
| ).first() |
| self.assertIsInstance(obj.n1_ceil, Decimal) |
| self.assertIsInstance(obj.n2_ceil, Decimal) |
| self.assertEqual(obj.n1_ceil, Decimal(math.ceil(obj.n1))) |
| self.assertEqual(obj.n2_ceil, Decimal(math.ceil(obj.n2))) |
|
|
| def test_float(self): |
| FloatModel.objects.create(f1=-12.5, f2=21.33) |
| obj = FloatModel.objects.annotate( |
| f1_ceil=Ceil("f1"), f2_ceil=Ceil("f2") |
| ).first() |
| self.assertIsInstance(obj.f1_ceil, float) |
| self.assertIsInstance(obj.f2_ceil, float) |
| self.assertEqual(obj.f1_ceil, math.ceil(obj.f1)) |
| self.assertEqual(obj.f2_ceil, math.ceil(obj.f2)) |
|
|
| def test_integer(self): |
| IntegerModel.objects.create(small=-11, normal=0, big=-100) |
| obj = IntegerModel.objects.annotate( |
| small_ceil=Ceil("small"), |
| normal_ceil=Ceil("normal"), |
| big_ceil=Ceil("big"), |
| ).first() |
| self.assertIsInstance(obj.small_ceil, int) |
| self.assertIsInstance(obj.normal_ceil, int) |
| self.assertIsInstance(obj.big_ceil, int) |
| self.assertEqual(obj.small_ceil, math.ceil(obj.small)) |
| self.assertEqual(obj.normal_ceil, math.ceil(obj.normal)) |
| self.assertEqual(obj.big_ceil, math.ceil(obj.big)) |
|
|
| def test_transform(self): |
| with register_lookup(DecimalField, Ceil): |
| DecimalModel.objects.create(n1=Decimal("3.12"), n2=Decimal("0")) |
| DecimalModel.objects.create(n1=Decimal("1.25"), n2=Decimal("0")) |
| obj = DecimalModel.objects.filter(n1__ceil__gt=3).get() |
| self.assertEqual(obj.n1, Decimal("3.12")) |
|
|
