Refs #26601 -- Added a warning if both MIDDLEWARE AND MIDDLEWARE_CLASSES are set.

1 files changed, 17 insertions, 0 deletions

diff --git a/tests/check_framework/tests_1_10_compatibility.py b/tests/check_framework/tests_1_10_compatibility.py
new file mode 100644
index 0000000000..388ac1b024
--- /dev/null
+++ b/tests/check_framework/tests_1_10_compatibility.py
@@ -0,0 +1,17 @@
+from django.core.checks.compatibility.django_1_10 import \
+    check_duplicate_middleware_settings
+from django.test import SimpleTestCase
+from django.test.utils import override_settings
+
+
+class CheckDuplicateMiddlwareSettingsTest(SimpleTestCase):
+
+    @override_settings(MIDDLEWARE=[], MIDDLEWARE_CLASSES=['django.middleware.common.CommonMiddleware'])
+    def test_duplicate_setting(self):
+        result = check_duplicate_middleware_settings(None)
+        self.assertEqual(result[0].id, '1_10.W001')
+
+    @override_settings(MIDDLEWARE=None)
+    def test_middleware_not_defined(self):
+        result = check_duplicate_middleware_settings(None)
+        self.assertEqual(len(result), 0)