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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
)
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