From: Mike Bayer <mike_mp@zzzcomputing.com>
Date: Thu, 1 Apr 2010 20:23:02 +0000 (-0400)
Subject: the delete parent o2m test
X-Git-Tag: rel_0_6_0~72
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=bffdb4db3596aeb28bc2072672a0c6b388c0a877;p=thirdparty%2Fsqlalchemy%2Fsqlalchemy.git

the delete parent o2m test
---

diff --git a/test/orm/test_unitofworkv2.py b/test/orm/test_unitofworkv2.py
index 4ccc3df689..29de77c817 100644
--- a/test/orm/test_unitofworkv2.py
+++ b/test/orm/test_unitofworkv2.py
@@ -250,4 +250,27 @@ class SingleCycleTest(UOWTest):
                 ),
                 CompiledSQL("DELETE FROM nodes WHERE nodes.id = :id", {'id':1})
         )
+
+    def test_one_to_many_delete_parent(self):
+        mapper(Node, nodes, properties={
+            'children':relationship(Node)
+        })
+        sess = create_session()
+
+        n2, n3 = Node(data='n2', children=[]), Node(data='n3', children=[])
+        n1 = Node(data='n1', children=[n2, n3])
+
+        sess.add(n1)
+        sess.flush()
+
+        sess.delete(n1)
+        self.assert_sql_execution(
+                testing.db,
+                sess.flush,
+                AllOf(
+                    CompiledSQL("UPDATE nodes SET parent_id=:parent_id WHERE nodes.id = :nodes_id", {'nodes_id':3, 'parent_id':None}),
+                    CompiledSQL("UPDATE nodes SET parent_id=:parent_id WHERE nodes.id = :nodes_id", {'nodes_id':2, 'parent_id':None}),
+                ),
+                CompiledSQL("DELETE FROM nodes WHERE nodes.id = :id", {'id':1})
+        )