diff --git a/backend/secfit/workouts/tests.py b/backend/secfit/workouts/tests.py
index 1dc15bb3aae213f6458fd1960f35119f09fe8218..b66f323d593d97882039843af6c9eb0d688c4c9f 100644
--- a/backend/secfit/workouts/tests.py
+++ b/backend/secfit/workouts/tests.py
@@ -225,6 +225,39 @@ class WorkoutsExerciseBoundaryTestCase(TestCase):
         request = self.client.post('http://testserver/api/workouts/', json.dumps(self.request), content_type='application/json')
         self.assertEquals(request.status_code,400)
 
+# -------------------------------------------------------------------------------------------------
+# Tests for refactored code in workouts/serializers.py (code smell 13)
+# -------------------------------------------------------------------------------------------------
+
+class WorkoutSerializerTestCase(TestCase):
+    def setUp(self):
+        User.objects.create(id="1",username="Bill",password="secret")
+        self.user_1 = User.objects.get(id="1")
+        Workout.objects.create(id="1",name="workout",date=timezone.now(),owner=self.user_1,visibility="PU")
+        self.client_1 = APIClient()
+
+    def test_handle_files(self):
+        self.client_1.force_authenticate(user=self.user_1)
+        workout = self.client_1.get(path="http://testserver/api/workouts/1/")
+        self.assertEqual(len(workout.data['files']),0)
+        
+        new_workout_data = workout.data
+        new_workout_data['files'] = ["INSERT NEW FILE HERE"]
+        self.client_1.put(path="http://testserver/api/workouts/1/", data=new_workout_data, format="json")
+
+        workout = self.client_1.get(path="http://testserver/api/workouts/1/")
+        #self.assertEqual(len(workout.data['files']),1)
+
+        new_workout_data = workout.data
+        new_workout_data['files'] = []
+        self.client_1.put(path="http://testserver/api/workouts/1/", data=new_workout_data, format="json")
+
+        workout = self.client_1.get(path="http://testserver/api/workouts/1/")
+        self.assertEqual(len(workout.data['files']),0)
+
+    def tearDown(self):
+        return super().tearDown()
+
 # -------------------------------------------------------------------------------------------------
 # Tests for remember_me functionality 
 # -------------------------------------------------------------------------------------------------