← Back to branch summary

~abentley/bzrtools/bzrtools.dev

« back to all changes in this revision

Viewing changes to tests/test_link_tree.py

  • Committer: Aaron Bentley
  • Date: 2008-02-29 18:18:40 UTC
  • Revision ID: aaron@aaronbentley.com-20080229181840-0t0fo4kd049cnlod
Implement link_tree function

Show diffs side-by-side

added added

removed removed

Lines of Context:
tests/test_link_tree.py
 
1
# Copyright (C) 2008 Aaron Bentley
 
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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
16
 
 
17
import os
 
18
 
 
19
from bzrlib.transform import TreeTransform
 
20
from bzrlib.tests import TestCaseWithTransport
 
21
 
 
22
from bzrlib.plugins.bzrtools.link_tree import link_tree
 
23
 
 
24
class TestLinkTree(TestCaseWithTransport):
 
25
 
 
26
    def setUp(self):
 
27
        TestCaseWithTransport.setUp(self)
 
28
        self.parent_tree = self.make_branch_and_tree('parent')
 
29
        self.parent_tree.lock_write()
 
30
        self.addCleanup(self.parent_tree.unlock)
 
31
        self.build_tree_contents([('parent/foo', 'bar')])
 
32
        self.parent_tree.add('foo', 'foo-id')
 
33
        self.parent_tree.commit('added foo')
 
34
        child_bzrdir = self.parent_tree.bzrdir.sprout('child')
 
35
        self.child_tree = child_bzrdir.open_workingtree()
 
36
 
 
37
    def hardlinked(self):
 
38
        parent_stat = os.lstat(self.parent_tree.abspath('foo'))
 
39
        child_stat = os.lstat(self.child_tree.abspath('foo'))
 
40
        return parent_stat.st_ino == child_stat.st_ino
 
41
 
 
42
    def test_link_fails_if_modified(self):
 
43
        """If the file to be linked has modified text, don't link."""
 
44
        self.build_tree_contents([('child/foo', 'baz')])
 
45
        link_tree(self.child_tree, self.parent_tree)
 
46
        self.assertFalse(self.hardlinked())
 
47
 
 
48
    def test_link_fails_if_execute_bit_changed(self):
 
49
        """If the file to be linked has modified execute bit, don't link."""
 
50
        tt = TreeTransform(self.child_tree)
 
51
        try:
 
52
            trans_id = tt.trans_id_tree_file_id('foo-id')
 
53
            tt.set_executability(True, trans_id)
 
54
            tt.apply()
 
55
        finally:
 
56
            tt.finalize()
 
57
        link_tree(self.child_tree, self.parent_tree)
 
58
        self.assertFalse(self.hardlinked())
 
59
 
 
60
    def test_link_succeeds_if_unmodified(self):
 
61
        """If the file to be linked is unmodified, link"""
 
62
        link_tree(self.child_tree, self.parent_tree)
 
63
        self.assertTrue(self.hardlinked())