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Use assertIsInstance in tests.

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Gives much nicer errors when it fails.
This commit is contained in:
Marc Tamlyn 2013-05-21 10:42:15 +01:00
parent 18856f866c
commit 09f8652765
31 changed files with 87 additions and 87 deletions
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10
tests/basic/tests.py
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@ -432,7 +432,7 @@ class ModelTest(TestCase):
Article.objects.all()[0:-5]
except Exception as e:
error = e
self.assertTrue(isinstance(error, AssertionError))
self.assertIsInstance(error, AssertionError)
self.assertEqual(str(error), "Negative indexing is not supported.")
# An Article instance doesn't have access to the "objects" attribute.
@ -637,15 +637,15 @@ class ModelTest(TestCase):
# Can't be instantiated
with self.assertRaises(TypeError):
EmptyQuerySet()
self.assertTrue(isinstance(Article.objects.none(), EmptyQuerySet))
self.assertIsInstance(Article.objects.none(), EmptyQuerySet)
def test_emptyqs_values(self):
# test for #15959
Article.objects.create(headline='foo', pub_date=datetime.now())
with self.assertNumQueries(0):
qs = Article.objects.none().values_list('pk')
self.assertTrue(isinstance(qs, EmptyQuerySet))
self.assertTrue(isinstance(qs, ValuesListQuerySet))
self.assertIsInstance(qs, EmptyQuerySet)
self.assertIsInstance(qs, ValuesListQuerySet)
self.assertEqual(len(qs), 0)
def test_emptyqs_customqs(self):
@ -660,7 +660,7 @@ class ModelTest(TestCase):
qs = qs.none()
with self.assertNumQueries(0):
self.assertEqual(len(qs), 0)
self.assertTrue(isinstance(qs, EmptyQuerySet))
self.assertIsInstance(qs, EmptyQuerySet)
self.assertEqual(qs.do_something(), 'did something')
def test_emptyqs_values_order(self):