Merge pull request pallets-eco#236 from zhangcheng/No_before_models_committed_signal

Test case for before_models_committed

Author: immunda

test_sqlalchemy.py

@@ -129,6 +129,17 @@ def setUp(self):
     def tearDown(self):
         self.db.drop_all()
 
+    def test_before_committed(self):
+        is_received = False
+        def before_committed(sender, changes):
+            is_received = True
+        with sqlalchemy.before_models_committed.connected_to(before_committed,
+                                                             sender=self.app):
+            todo = self.Todo('Awesome', 'the text')
+            self.db.session.add(todo)
+            self.db.session.commit()
+            self.assertTrue(is_received)
+
     def test_model_signals(self):
         recorded = []
         def committed(sender, changes):