failing test for #208

src/ZODB/tests/testThreadedShutdown.py

@@ -0,0 +1,57 @@
+import sys
+import threading
+import time
+import unittest
+
+import transaction
+
+import ZODB
+
+
+class ZODBClientThread(threading.Thread):
+
+    def __init__(self, db, test):
+        threading.Thread.__init__(self)
+        self._exc_info = None
+        # self.setDaemon(1)
+        self.db = db
+        self.test = test
+
+    def run(self):
+        conn = self.db.open()
+        conn.sync()
+
+        time.sleep(15)
+
+        # conn.close calls self.transaction_manager.unregisterSynch(self)
+        # and this succeeds.
+        conn.close()
+
+
+class ShutdownTest(ZODB.tests.util.TestCase):
+
+    def setUp(self):
+        # Our default transaction manager is
+        # transaction._manager.ThreadTransactionManager
+        # so no need to set it.
+        ZODB.tests.util.TestCase.setUp(self)
+        self._storage = ZODB.FileStorage.FileStorage(
+            'ZODBTests.fs', create=1)
+        self._db = ZODB.DB(self._storage)
+
+    def check_shutdown(self):
+        client_thread = ZODBClientThread(self._db, self)
+        client_thread.start()
+        # calls conn._release_resources, that calls conn.close(),
+        # that calls conn.transaction_manager.unregisterSynch(self),
+        # but from a different thread, so transaction_manager._synchs
+        # have different contents.
+        # So this is expected to fail with a keyerror:
+        self._db.close()
+
+    def tearDown(self):
+        ZODB.tests.util.TestCase.tearDown(self)
+
+
+def test_suite():
+    return unittest.makeSuite(ShutdownTest, "check")