django/tests/db_functions/text/test_upper.py

44 lines
1.4 KiB
Python

from django.db.models import CharField
from django.db.models.functions import Upper
from django.test import TestCase
from django.test.utils import register_lookup
from ..models import Author
class UpperTests(TestCase):
def test_basic(self):
Author.objects.create(name="John Smith", alias="smithj")
Author.objects.create(name="Rhonda")
authors = Author.objects.annotate(upper_name=Upper("name"))
self.assertQuerysetEqual(
authors.order_by("name"),
[
"JOHN SMITH",
"RHONDA",
],
lambda a: a.upper_name,
)
Author.objects.update(name=Upper("name"))
self.assertQuerysetEqual(
authors.order_by("name"),
[
("JOHN SMITH", "JOHN SMITH"),
("RHONDA", "RHONDA"),
],
lambda a: (a.upper_name, a.name),
)
def test_transform(self):
with register_lookup(CharField, Upper):
Author.objects.create(name="John Smith", alias="smithj")
Author.objects.create(name="Rhonda")
authors = Author.objects.filter(name__upper__exact="JOHN SMITH")
self.assertQuerysetEqual(
authors.order_by("name"),
[
"John Smith",
],
lambda a: a.name,
)