Fix APIClient.get() when path contains unicode arguments (#4458)

rest_framework/test.py

@@ -79,10 +79,13 @@ class APIRequestFactory(DjangoRequestFactory):
         r = {
             'QUERY_STRING': urlencode(data or {}, doseq=True),
         }
-        # Fix to support old behavior where you have the arguments in the url
-        # See #1461
         if not data and '?' in path:
-            r['QUERY_STRING'] = path.split('?')[1]
+            # Fix to support old behavior where you have the arguments in the
+            # url. See #1461.
+            query_string = force_bytes(path.split('?')[1])
+            if six.PY3:
+                query_string = query_string.decode('iso-8859-1')
+            r['QUERY_STRING'] = query_string
         r.update(extra)
         return self.generic('GET', path, **r)
 

tests/test_testing.py

@@ -245,3 +245,10 @@ class TestAPIRequestFactory(TestCase):
         self.assertEqual(dict(request.GET), {'demo': ['test']})
         request = factory.get('/view/', {'demo': 'test'})
         self.assertEqual(dict(request.GET), {'demo': ['test']})
+
+    def test_request_factory_url_arguments_with_unicode(self):
+        factory = APIRequestFactory()
+        request = factory.get('/view/?demo=testé')
+        self.assertEqual(dict(request.GET), {'demo': ['testé']})
+        request = factory.get('/view/', {'demo': 'testé'})
+        self.assertEqual(dict(request.GET), {'demo': ['testé']})