Refs #31949 -- Made @no_append_slash decorator to work with async functions.

1 files changed, 37 insertions, 0 deletions

diff --git a/tests/decorators/test_common.py b/tests/decorators/test_common.py
new file mode 100644
index 0000000000..a2661ef30a
--- /dev/null
+++ b/tests/decorators/test_common.py
@@ -0,0 +1,37 @@
+from asgiref.sync import iscoroutinefunction
+
+from django.http import HttpRequest, HttpResponse
+from django.test import SimpleTestCase
+from django.views.decorators.common import no_append_slash
+
+
+class NoAppendSlashTests(SimpleTestCase):
+    def test_wrapped_sync_function_is_not_coroutine_function(self):
+        def sync_view(request):
+            return HttpResponse()
+
+        wrapped_view = no_append_slash(sync_view)
+        self.assertIs(iscoroutinefunction(wrapped_view), False)
+
+    def test_wrapped_async_function_is_coroutine_function(self):
+        async def async_view(request):
+            return HttpResponse()
+
+        wrapped_view = no_append_slash(async_view)
+        self.assertIs(iscoroutinefunction(wrapped_view), True)
+
+    def test_no_append_slash_decorator(self):
+        @no_append_slash
+        def sync_view(request):
+            return HttpResponse()
+
+        self.assertIs(sync_view.should_append_slash, False)
+        self.assertIsInstance(sync_view(HttpRequest()), HttpResponse)
+
+    async def test_no_append_slash_decorator_async_view(self):
+        @no_append_slash
+        async def async_view(request):
+            return HttpResponse()
+
+        self.assertIs(async_view.should_append_slash, False)
+        self.assertIsInstance(await async_view(HttpRequest()), HttpResponse)