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-rw-r--r--tests/empty/tests.py38
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diff --git a/tests/empty/tests.py b/tests/empty/tests.py
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+++ b/tests/empty/tests.py
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+from __future__ import absolute_import
+
+from django.core.exceptions import ImproperlyConfigured
+from django.db.models.loading import get_app
+from django.test import TestCase
+from django.test.utils import override_settings
+from django.utils import six
+
+from .models import Empty
+
+
+class EmptyModelTests(TestCase):
+ def test_empty(self):
+ m = Empty()
+ self.assertEqual(m.id, None)
+ m.save()
+ Empty.objects.create()
+ self.assertEqual(len(Empty.objects.all()), 2)
+ self.assertTrue(m.id is not None)
+ existing = Empty(m.id)
+ existing.save()
+
+
+class NoModelTests(TestCase):
+ """
+ Test for #7198 to ensure that the proper error message is raised
+ when attempting to load an app with no models.py file.
+
+ Because the test runner won't currently load a test module with no
+ models.py file, this TestCase instead lives in this module.
+
+ It seemed like an appropriate home for it.
+ """
+ @override_settings(INSTALLED_APPS=("modeltests.empty.no_models",))
+ def test_no_models(self):
+ with six.assertRaisesRegex(self, ImproperlyConfigured,
+ 'App with label no_models is missing a models.py module.'):
+ get_app('no_models')