Add update_together test.

save_the_change/mixins.py

@@ -245,7 +245,7 @@ def __new__(cls, name, bases, attrs):
 				for dependent in codependents:
 					mapping[dependent].update(codependents)
 
-			update_together = mapping
+			update_together = dict(mapping)
 
 			if meta:
 				setattr(meta, 'update_together', update_together)
@@ -270,7 +270,7 @@ def save(self, *args, **kwargs):
 			update_fields = set()
 
 			for field in kwargs['update_fields']:
-				update_fields.update(self._meta.update_together[field])
+				update_fields.update(self._meta.update_together.get(field, {}))
 
 			kwargs['update_fields'] = list(update_fields)
 

tests/testproject/testapp/tests.py

@@ -92,7 +92,7 @@ def create_initial(self):
 
 		self.old_values['id'] = m.id
 		self.new_values['id'] = m.id
-
+		
 		return m
 
 	def create_changed(self):
@@ -240,6 +240,18 @@ def test_changed_twice_new_values(self):
 
 		self.assertEquals(m.new_values, new_values)
 
+	def test_updated_together_values(self):
+		m = self.create_saved()
+		EnlightenedModel.objects.all().update(big_integer=0)
+
+		new_values = self.new_values
+		new_values['small_integer'] = 0
+
+		m.small_integer = new_values['small_integer']
+		m.save()
+
+		self.assertEquals(m.new_values, new_values)
+
 	"""
 	Regression Tests