Allow text field be blank.

notesapi/v1/models.py

@@ -11,7 +11,7 @@ class Note(models.Model):
     course_id = models.CharField(max_length=255, db_index=True)
     usage_id = models.CharField(max_length=255, help_text="ID of XBlock where the text comes from")
     quote = models.TextField(default="")
-    text = models.TextField(default="", help_text="Student's thoughts on the quote")
+    text = models.TextField(default="", blank=True, help_text="Student's thoughts on the quote")
     ranges = models.TextField(help_text="JSON, describes position of quote in the source text")
     created = models.DateTimeField(auto_now_add=True)
     updated = models.DateTimeField(auto_now=True)

notesapi/v1/tests/test_views.py

@@ -104,6 +104,16 @@ class AnnotationListViewTests(BaseAnnotationViewTests):
 
         self.assertEqual(response.data['user'], TEST_USER)
 
+    def test_create_blank_text(self):
+        """
+        Ensure we can create a new note with empty text field.
+        """
+        url = reverse('api:v1:annotations')
+        self.payload['text'] = ''
+        response = self.client.post(url, self.payload, format='json')
+        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
+        self.assertEqual(response.data['text'], '')
+
     def test_create_ignore_created(self):
         """
         Test if annotation 'created' field is not used by API.