From 158578a406090eb0b9d297c895b04973b0e1fc94 Mon Sep 17 00:00:00 2001
From: tprimozi <tom.primozic@hutchinhill.com>
Date: Mon, 3 Mar 2014 15:10:35 +0000
Subject: [PATCH] Added test that fails due to weakref _instance bug.

---
 tests/document/validation.py | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/tests/document/validation.py b/tests/document/validation.py
index d3f3fd70..573c2e57 100644
--- a/tests/document/validation.py
+++ b/tests/document/validation.py
@@ -141,6 +141,30 @@ class ValidatorErrorTest(unittest.TestCase):
             self.assertEqual(e.to_dict(), {
                 "e": {'val': 'OK could not be converted to int'}})
 
+    def test_embedded_weakref(self):
+
+        class SubDoc(EmbeddedDocument):
+            val = IntField(required=True)
+
+        class Doc(Document):
+            e = EmbeddedDocumentField(SubDoc, db_field='eb')
+
+        Doc.drop_collection()
+
+        d1 = Doc()
+        d2 = Doc()
+
+        s = SubDoc()
+
+        self.assertRaises(ValidationError, lambda: s.validate())
+
+        d1.e = s
+        d2.e = s
+
+        del d1
+
+        self.assertRaises(ValidationError, lambda: d2.validate())
+
 
 if __name__ == '__main__':
     unittest.main()