1 files changed, 99 insertions, 0 deletions
diff --git a/bzrlib/tests/per_branch/test_break_lock.py b/bzrlib/tests/per_branch/test_break_lock.py
new file mode 100644
index 0000000..3f20a7d
--- /dev/null
+++ b/bzrlib/tests/per_branch/test_break_lock.py
@@ -0,0 +1,99 @@
+# Copyright (C) 2006-2012 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
+
+"""Tests for branch break-lock behaviour."""
+
+from bzrlib import (
+    branch as _mod_branch,
+    errors,
+    ui,
+    tests,
+    )
+from bzrlib.tests import per_branch
+
+
+class TestBreakLock(per_branch.TestCaseWithBranch):
+
+    def setUp(self):
+        super(TestBreakLock, self).setUp()
+        self.unused_branch = self.make_branch('branch')
+        self.branch = _mod_branch.Branch.open(self.unused_branch.base)
+
+    def test_unlocked(self):
+        # break lock when nothing is locked should just return
+        try:
+            self.branch.break_lock()
+        except NotImplementedError:
+            pass
+
+    def test_unlocked_repo_locked(self):
+        # break lock on the branch should try on the repository even
+        # if the branch isn't locked
+        token = self.branch.repository.lock_write().repository_token
+        if token is None:
+            self.branch.repository.unlock()
+            raise tests.TestNotApplicable(
+                'Repository does not use physical locks.')
+        self.branch.repository.leave_lock_in_place()
+        self.branch.repository.unlock()
+        other_instance = self.branch.repository.bzrdir.open_repository()
+        if not other_instance.get_physical_lock_status():
+            raise tests.TestNotApplicable(
+                'Repository does not lock persistently.')
+        ui.ui_factory = ui.CannedInputUIFactory([True])
+        try:
+            self.unused_branch.break_lock()
+        except NotImplementedError:
+            # branch does not support break_lock
+            self.branch.repository.unlock()
+            return
+        self.assertRaises(errors.LockBroken, self.branch.repository.unlock)
+
+    def test_locked(self):
+        # break_lock when locked should unlock the branch and repo
+        self.branch.lock_write()
+        ui.ui_factory = ui.CannedInputUIFactory([True, True])
+        try:
+            self.unused_branch.break_lock()
+        except NotImplementedError:
+            # branch does not support break_lock
+            self.branch.unlock()
+            return
+        self.assertRaises(errors.LockBroken, self.branch.unlock)
+
+    def test_unlocks_master_branch(self):
+        # break_lock when the master branch is locked should offer to
+        # unlock it.
+        master = self.make_branch('master')
+        try:
+            self.branch.bind(master)
+        except errors.UpgradeRequired:
+            # this branch does not support binding.
+            return
+        master.lock_write()
+        ui.ui_factory = ui.CannedInputUIFactory([True, True])
+        try:
+            fresh = _mod_branch.Branch.open(self.unused_branch.base)
+            fresh.break_lock()
+        except NotImplementedError:
+            # branch does not support break_lock
+            master.unlock()
+            return
+        self.assertRaises(errors.LockBroken, master.unlock)
+        # can we lock it now ?
+        master.lock_write()
+        master.unlock()
+