1 files changed, 61 insertions, 0 deletions
diff --git a/bzrlib/tests/commands/test_revert.py b/bzrlib/tests/commands/test_revert.py
new file mode 100644
index 0000000..c1ab41a
--- /dev/null
+++ b/bzrlib/tests/commands/test_revert.py
@@ -0,0 +1,61 @@
+# Copyright (C) 2010 Canonical Ltd
+#
+# This program 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 2 of the License, or
+# (at your option) any later version.
+#
+# This program 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 this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+import os
+from bzrlib import (
+    branch,
+    builtins,
+    errors,
+    lock,
+    )
+from bzrlib.tests import (
+    transport_util,
+    TestCaseInTempDir,
+    )
+
+
+class TestRevert(TestCaseInTempDir):
+
+    def setUp(self):
+        super(TestRevert, self).setUp()
+
+    def test_revert_tree_write_lock_and_branch_read_lock(self):
+
+        # install lock hooks to find out about cmd_revert's locking actions
+        locks_acquired = []
+        locks_released = []
+        lock.Lock.hooks.install_named_hook('lock_acquired',
+            locks_acquired.append, None)
+        lock.Lock.hooks.install_named_hook('lock_released',
+            locks_released.append, None)
+
+        # execute the revert command (There is nothing to actually revert,
+        # but locks are acquired either way.)
+        revert = builtins.cmd_revert()
+        revert.run()
+
+        # make sure that only one lock is acquired and released.
+        self.assertLength(1, locks_acquired)
+        self.assertLength(1, locks_released)
+
+        # make sure that the nonces are the same, since otherwise
+        # this would not be the same lock.
+        self.assertEqual(locks_acquired[0].details, locks_released[0].details)
+
+        # make sure that the locks are checkout locks.
+        self.assertEndsWith(locks_acquired[0].lock_url, "/checkout/lock")
+        self.assertEndsWith(locks_released[0].lock_url, "/checkout/lock")
+