1 files changed, 97 insertions, 0 deletions
diff --git a/bzrlib/tests/blackbox/test_repair_workingtree.py b/bzrlib/tests/blackbox/test_repair_workingtree.py
new file mode 100644
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--- /dev/null
+++ b/bzrlib/tests/blackbox/test_repair_workingtree.py
@@ -0,0 +1,97 @@
+# Copyright (C) 2011 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
+
+
+from bzrlib import (
+    workingtree,
+    )
+from bzrlib.tests import TestCaseWithTransport
+
+
+class TestRepairWorkingTree(TestCaseWithTransport):
+
+    def break_dirstate(self, tree, completely=False):
+        """Write garbage into the dirstate file."""
+        # This test assumes that the format uses a DirState file, which we then
+        # manually corrupt. If we change the way to get at that dirstate file,
+        # then we can update how this is done
+        self.assertIsNot(None, getattr(tree, 'current_dirstate', None))
+        tree.lock_read()
+        try:
+            dirstate = tree.current_dirstate()
+            dirstate_path = dirstate._filename
+            self.assertPathExists(dirstate_path)
+        finally:
+            tree.unlock()
+        # We have to have the tree unlocked at this point, so we can safely
+        # mutate the state file on all platforms.
+        if completely:
+            f = open(dirstate_path, 'wb')
+        else:
+            f = open(dirstate_path, 'ab')
+        try:
+            f.write('garbage-at-end-of-file\n')
+        finally:
+            f.close()
+
+    def make_initial_tree(self):
+        tree = self.make_branch_and_tree('tree')
+        self.build_tree(['tree/foo', 'tree/dir/', 'tree/dir/bar'])
+        tree.add(['foo', 'dir', 'dir/bar'])
+        tree.commit('first')
+        return tree
+
+    def test_repair_refuses_uncorrupted(self):
+        tree = self.make_initial_tree()
+        # If the tree doesn't appear to be corrupt, we refuse, but prompt the
+        # user to let them know that:
+        # a) they may want to use 'bzr revert' instead of repair-workingtree
+        # b) they can use --force if they really want to do this
+        self.run_bzr_error(['The tree does not appear to be corrupt',
+                            '"bzr revert"',
+                            '--force'],
+                           'repair-workingtree -d tree')
+
+    def test_repair_forced(self):
+        tree = self.make_initial_tree()
+        tree.rename_one('dir', 'alt_dir')
+        self.assertIsNot(None, tree.path2id('alt_dir'))
+        self.run_bzr('repair-workingtree -d tree --force')
+        # This requires the tree has reloaded the working state
+        self.assertIs(None, tree.path2id('alt_dir'))
+        self.assertPathExists('tree/alt_dir')
+
+    def test_repair_corrupted_dirstate(self):
+        tree = self.make_initial_tree()
+        self.break_dirstate(tree)
+        self.run_bzr('repair-workingtree -d tree')
+        tree = workingtree.WorkingTree.open('tree')
+        # At this point, check should be happy
+        tree.check_state()
+
+    def test_repair_naive_destroyed_fails(self):
+        tree = self.make_initial_tree()
+        self.break_dirstate(tree, completely=True)
+        self.run_bzr_error(['the header appears corrupt, try passing'],
+                           'repair-workingtree -d tree')
+
+    def test_repair_destroyed_with_revs_passes(self):
+        tree = self.make_initial_tree()
+        self.break_dirstate(tree, completely=True)
+        self.run_bzr('repair-workingtree -d tree -r -1')
+        tree = workingtree.WorkingTree.open('tree')
+        # At this point, check should be happy
+        tree.check_state()