Added more tests for decorators.

tests/decorators/test_gzip.py

@@ -0,0 +1,19 @@
+from django.http import HttpRequest, HttpResponse
+from django.test import SimpleTestCase
+from django.views.decorators.gzip import gzip_page
+
+
+class GzipPageTests(SimpleTestCase):
+    # Gzip ignores content that is too short.
+    content = "Content " * 100
+
+    def test_gzip_page_decorator(self):
+        @gzip_page
+        def sync_view(request):
+            return HttpResponse(content=self.content)
+
+        request = HttpRequest()
+        request.META["HTTP_ACCEPT_ENCODING"] = "gzip"
+        response = sync_view(request)
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response.get("Content-Encoding"), "gzip")