← Back to branch summary

~bzr-pqm/bzr/bzr.dev

« back to all changes in this revision

Viewing changes to bzrlib/tests/blackbox/test_repair_workingtree.py

  • Committer: Vincent Ladeuil
  • Date: 2010-09-28 08:57:31 UTC
  • mto: (5490.1.1 trunk)
  • mto: This revision was merged to the branch mainline in revision 5492.
  • Revision ID: v.ladeuil+lp@free.fr-20100928085731-8h0duqj5wf4acsgy
Add -m to search for a regexp in news entries instead of the bug number.

Show diffs side-by-side

added added

removed removed

Lines of Context:
bzrlib/tests/blackbox/test_repair_workingtree.py
1
 
# Copyright (C) 2011 Canonical Ltd
2
 
#
3
 
# This program is free software; you can redistribute it and/or modify
4
 
# it under the terms of the GNU General Public License as published by
5
 
# the Free Software Foundation; either version 2 of the License, or
6
 
# (at your option) any later version.
7
 
#
8
 
# This program is distributed in the hope that it will be useful,
9
 
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
 
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11
 
# GNU General Public License for more details.
12
 
#
13
 
# You should have received a copy of the GNU General Public License
14
 
# along with this program; if not, write to the Free Software
15
 
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
16
 
 
17
 
 
18
 
from bzrlib import (
19
 
    workingtree,
20
 
    )
21
 
from bzrlib.tests import TestCaseWithTransport
22
 
 
23
 
 
24
 
class TestRepairWorkingTree(TestCaseWithTransport):
25
 
 
26
 
    def break_dirstate(self, tree, completely=False):
27
 
        """Write garbage into the dirstate file."""
28
 
        # This test assumes that the format uses a DirState file, which we then
29
 
        # manually corrupt. If we change the way to get at that dirstate file,
30
 
        # then we can update how this is done
31
 
        self.assertIsNot(None, getattr(tree, 'current_dirstate', None))
32
 
        tree.lock_read()
33
 
        try:
34
 
            dirstate = tree.current_dirstate()
35
 
            dirstate_path = dirstate._filename
36
 
            self.assertPathExists(dirstate_path)
37
 
        finally:
38
 
            tree.unlock()
39
 
        # We have to have the tree unlocked at this point, so we can safely
40
 
        # mutate the state file on all platforms.
41
 
        if completely:
42
 
            f = open(dirstate_path, 'wb')
43
 
        else:
44
 
            f = open(dirstate_path, 'ab')
45
 
        try:
46
 
            f.write('garbage-at-end-of-file\n')
47
 
        finally:
48
 
            f.close()
49
 
 
50
 
    def make_initial_tree(self):
51
 
        tree = self.make_branch_and_tree('tree')
52
 
        self.build_tree(['tree/foo', 'tree/dir/', 'tree/dir/bar'])
53
 
        tree.add(['foo', 'dir', 'dir/bar'])
54
 
        tree.commit('first')
55
 
        return tree
56
 
 
57
 
    def test_repair_refuses_uncorrupted(self):
58
 
        tree = self.make_initial_tree()
59
 
        # If the tree doesn't appear to be corrupt, we refuse, but prompt the
60
 
        # user to let them know that:
61
 
        # a) they may want to use 'bzr revert' instead of repair-workingtree
62
 
        # b) they can use --force if they really want to do this
63
 
        self.run_bzr_error(['The tree does not appear to be corrupt',
64
 
                            '"bzr revert"',
65
 
                            '--force'],
66
 
                           'repair-workingtree -d tree')
67
 
 
68
 
    def test_repair_forced(self):
69
 
        tree = self.make_initial_tree()
70
 
        tree.rename_one('dir', 'alt_dir')
71
 
        self.assertIsNot(None, tree.path2id('alt_dir'))
72
 
        self.run_bzr('repair-workingtree -d tree --force')
73
 
        # This requires the tree has reloaded the working state
74
 
        self.assertIs(None, tree.path2id('alt_dir'))
75
 
        self.assertPathExists('tree/alt_dir')
76
 
 
77
 
    def test_repair_corrupted_dirstate(self):
78
 
        tree = self.make_initial_tree()
79
 
        self.break_dirstate(tree)
80
 
        self.run_bzr('repair-workingtree -d tree')
81
 
        tree = workingtree.WorkingTree.open('tree')
82
 
        # At this point, check should be happy
83
 
        tree.check_state()
84
 
 
85
 
    def test_repair_naive_destroyed_fails(self):
86
 
        tree = self.make_initial_tree()
87
 
        self.break_dirstate(tree, completely=True)
88
 
        self.run_bzr_error(['the header appears corrupt, try passing'],
89
 
                           'repair-workingtree -d tree')
90
 
 
91
 
    def test_repair_destroyed_with_revs_passes(self):
92
 
        tree = self.make_initial_tree()
93
 
        self.break_dirstate(tree, completely=True)
94
 
        self.run_bzr('repair-workingtree -d tree -r -1')
95
 
        tree = workingtree.WorkingTree.open('tree')
96
 
        # At this point, check should be happy
97
 
        tree.check_state()