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import unittest
from models import Tag, Annotation
from django.db.models import Count
class QuerysetOrderedTests(unittest.TestCase):
"""
Tests for the Queryset.ordered attribute.
"""
def test_no_default_or_explicit_ordering(self):
self.assertEqual(Annotation.objects.all().ordered, False)
def test_cleared_default_ordering(self):
self.assertEqual(Tag.objects.all().ordered, True)
self.assertEqual(Tag.objects.all().order_by().ordered, False)
def test_explicit_ordering(self):
self.assertEqual(Annotation.objects.all().order_by('id').ordered, True)
def test_order_by_extra(self):
self.assertEqual(Annotation.objects.all().extra(order_by=['id']).ordered, True)
def test_annotated_ordering(self):
qs = Annotation.objects.annotate(num_notes=Count('notes'))
self.assertEqual(qs.ordered, False)
self.assertEqual(qs.order_by('num_notes').ordered, True)
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