Allow renaming to identity

AlexandreDecan · Jan 19, 2016 · f0e3f15 · f0e3f15
1 parent a240df2
commit f0e3f15
Show file tree

Hide file tree

Showing 2 changed files with 3 additions and 2 deletions.
diff --git a/sismic/model.py b/sismic/model.py
@@ -413,6 +413,8 @@ def rename_state(self, old_name: str, new_name: str):
         :param old_name: old name of the state
         :param new_name: new name of the state
         """
+        if old_name == new_name:
+            return
         if new_name in self._states:
             raise StatechartError('State {} already exists!'.format(new_name))
         state = self._states[old_name]

diff --git a/tests/test_model.py b/tests/test_model.py
@@ -274,8 +274,7 @@ def test_rename_unexisting_state(self):
             self.sc.rename_state('unknown', 's3')
 
     def test_do_not_change_name(self):
-        with self.assertRaises(exceptions.StatechartError):
-            self.sc.rename_state('s2', 's2')
+        self.sc.rename_state('s2', 's2')
 
     def test_rename_to_an_existing_state(self):
         with self.assertRaises(exceptions.StatechartError):