1 files changed, 81 insertions, 0 deletions
diff --git a/src/mailman/bin/tests/test_master.py b/src/mailman/bin/tests/test_master.py
new file mode 100644
index 000000000..cb15f08f9
--- /dev/null
+++ b/src/mailman/bin/tests/test_master.py
@@ -0,0 +1,81 @@
+# Copyright (C) 2010 by the Free Software Foundation, Inc.
+#
+# This file is part of GNU Mailman.
+#
+# GNU Mailman is free software: you can redistribute it and/or modify it under
+# the terms of the GNU General Public License as published by the Free
+# Software Foundation, either version 3 of the License, or (at your option)
+# any later version.
+#
+# GNU Mailman is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+# more details.
+#
+# You should have received a copy of the GNU General Public License along with
+# GNU Mailman.  If not, see <http://www.gnu.org/licenses/>.
+
+"""Test master watcher utilities."""
+
+from __future__ import absolute_import, unicode_literals
+
+__metaclass__ = type
+__all__ = [
+    'test_suite',
+    ]
+
+
+import os
+import errno
+import tempfile
+import unittest
+
+from flufl.lock import Lock
+
+from mailman.bin import master
+
+
+
+class TestMasterLock(unittest.TestCase):
+    def setUp(self):
+        fd, self.lock_file = tempfile.mkstemp()
+        os.close(fd)
+        # The lock file should not exist before we try to acquire it.
+        os.remove(self.lock_file)
+
+    def tearDown(self):
+        # Unlocking removes the lock file, but just to be safe (i.e. in case
+        # of errors).
+        try:
+            os.remove(self.lock_file)
+        except OSError as error:
+            if error.errno != errno.ENOENT:
+                raise
+
+    def test_acquire_lock_1(self):
+        lock = master.acquire_lock_1(False, self.lock_file)
+        is_locked = lock.is_locked
+        lock.unlock()
+        self.failUnless(is_locked)
+
+    def test_master_state(self):
+        my_lock = Lock(self.lock_file)
+        # Mailman is not running.
+        state, lock = master.master_state(self.lock_file)
+        self.assertEqual(state, master.WatcherState.none)
+        # Acquire the lock as if another process had already started the
+        # master qrunner.
+        my_lock.lock()
+        try:
+            state, lock = master.master_state(self.lock_file)
+        finally:
+            my_lock.unlock()
+        self.assertEqual(state, master.WatcherState.conflict)
+        # XXX test stale_lock and host_mismatch states.
+
+
+
+def test_suite():
+    suite = unittest.TestSuite()
+    suite.addTest(unittest.makeSuite(TestMasterLock))
+    return suite