← Back to branch summary

~bzr-pqm/bzr/bzr.dev

« back to all changes in this revision

Viewing changes to bzrlib/tests/test_memorytree.py

  • Committer: Alexander Belchenko
  • Date: 2007-08-14 06:27:51 UTC
  • mto: (2733.1.1 ianc-integration)
  • mto: This revision was merged to the branch mainline in revision 2734.
  • Revision ID: bialix@ukr.net-20070814062751-tyyn1s5jraunqni9
teach windows python installer to find docs in all subdirectories

Show diffs side-by-side

added added

removed removed

Lines of Context:
bzrlib/tests/test_memorytree.py
 
1
# Copyright (C) 2006 Canonical Ltd
 
2
# Authors:  Robert Collins <robert.collins@canonical.com>
 
3
#
 
4
# This program is free software; you can redistribute it and/or modify
 
5
# it under the terms of the GNU General Public License as published by
 
6
# the Free Software Foundation; either version 2 of the License, or
 
7
# (at your option) any later version.
 
8
#
 
9
# This program is distributed in the hope that it will be useful,
 
10
# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
11
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
12
# GNU General Public License for more details.
 
13
#
 
14
# You should have received a copy of the GNU General Public License
 
15
# along with this program; if not, write to the Free Software
 
16
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
17
 
 
18
"""Tests for the MemoryTree class."""
 
19
 
 
20
from bzrlib import errors
 
21
from bzrlib.memorytree import MemoryTree
 
22
from bzrlib.tests import TestCaseWithTransport
 
23
from bzrlib.treebuilder import TreeBuilder
 
24
 
 
25
 
 
26
class TestMemoryTree(TestCaseWithTransport):
 
27
    
 
28
    def test_create_on_branch(self):
 
29
        """Creating a mutable tree on a trivial branch works."""
 
30
        branch = self.make_branch('branch')
 
31
        tree = MemoryTree.create_on_branch(branch)
 
32
        self.assertEqual(branch.bzrdir, tree.bzrdir)
 
33
        self.assertEqual(branch, tree.branch)
 
34
        self.assertEqual([], tree.get_parent_ids())
 
35
    
 
36
    def test_create_on_branch_with_content(self):
 
37
        """Creating a mutable tree on a non-trivial branch works."""
 
38
        branch = self.make_branch('branch')
 
39
        tree = MemoryTree.create_on_branch(branch)
 
40
        # build some content
 
41
        tree.lock_write()
 
42
        builder = TreeBuilder()
 
43
        builder.start_tree(tree)
 
44
        builder.build(['foo'])
 
45
        builder.finish_tree()
 
46
        rev_id = tree.commit('first post')
 
47
        tree.unlock()
 
48
        tree = MemoryTree.create_on_branch(branch)
 
49
        tree.lock_read()
 
50
        self.assertEqual([rev_id], tree.get_parent_ids())
 
51
        self.assertEqual('contents of foo\n',
 
52
            tree.get_file(tree.path2id('foo')).read())
 
53
        tree.unlock()
 
54
 
 
55
    def test_lock_tree_write(self):
 
56
        """Check we can lock_tree_write and unlock MemoryTrees."""
 
57
        branch = self.make_branch('branch')
 
58
        tree = MemoryTree.create_on_branch(branch)
 
59
        tree.lock_tree_write()
 
60
        tree.unlock()
 
61
 
 
62
    def test_lock_tree_write_after_read_fails(self):
 
63
        """Check that we error when trying to upgrade a read lock to write."""
 
64
        branch = self.make_branch('branch')
 
65
        tree = MemoryTree.create_on_branch(branch)
 
66
        tree.lock_read()
 
67
        self.assertRaises(errors.ReadOnlyError, tree.lock_tree_write)
 
68
        tree.unlock()
 
69
 
 
70
    def test_lock_write(self):
 
71
        """Check we can lock_write and unlock MemoryTrees."""
 
72
        branch = self.make_branch('branch')
 
73
        tree = MemoryTree.create_on_branch(branch)
 
74
        tree.lock_write()
 
75
        tree.unlock()
 
76
 
 
77
    def test_lock_write_after_read_fails(self):
 
78
        """Check that we error when trying to upgrade a read lock to write."""
 
79
        branch = self.make_branch('branch')
 
80
        tree = MemoryTree.create_on_branch(branch)
 
81
        tree.lock_read()
 
82
        self.assertRaises(errors.ReadOnlyError, tree.lock_write)
 
83
        tree.unlock()
 
84
 
 
85
    def test_add_with_kind(self):
 
86
        branch = self.make_branch('branch')
 
87
        tree = MemoryTree.create_on_branch(branch)
 
88
        tree.lock_write()
 
89
        tree.add(['', 'afile', 'adir'], None, 
 
90
                 ['directory', 'file', 'directory'])
 
91
        self.assertEqual('afile', tree.id2path(tree.path2id('afile')))
 
92
        self.assertEqual('adir', tree.id2path(tree.path2id('adir')))
 
93
        self.assertFalse(tree.has_filename('afile'))
 
94
        self.assertFalse(tree.has_filename('adir'))
 
95
        tree.unlock()
 
96
 
 
97
    def test_put_new_file(self):
 
98
        branch = self.make_branch('branch')
 
99
        tree = MemoryTree.create_on_branch(branch)
 
100
        tree.lock_write()
 
101
        tree.add(['', 'foo'], ids=['root-id', 'foo-id'], 
 
102
                  kinds=['directory', 'file'])
 
103
        tree.put_file_bytes_non_atomic('foo-id', 'barshoom')
 
104
        self.assertEqual('barshoom', tree.get_file('foo-id').read())
 
105
        tree.unlock()
 
106
 
 
107
    def test_put_existing_file(self):
 
108
        branch = self.make_branch('branch')
 
109
        tree = MemoryTree.create_on_branch(branch)
 
110
        tree.lock_write()
 
111
        tree.add(['', 'foo'], ids=['root-id', 'foo-id'], 
 
112
                 kinds=['directory', 'file'])
 
113
        tree.put_file_bytes_non_atomic('foo-id', 'first-content')
 
114
        tree.put_file_bytes_non_atomic('foo-id', 'barshoom')
 
115
        self.assertEqual('barshoom', tree.get_file('foo-id').read())
 
116
        tree.unlock()
 
117
 
 
118
    def test_commit_trivial(self):
 
119
        """Smoke test for commit on a MemoryTree.
 
120
 
 
121
        Becamse of commits design and layering, if this works, all commit
 
122
        logic should work quite reliably.
 
123
        """
 
124
        branch = self.make_branch('branch')
 
125
        tree = MemoryTree.create_on_branch(branch)
 
126
        tree.lock_write()
 
127
        tree.add(['', 'foo'], ids=['root-id', 'foo-id'], 
 
128
                 kinds=['directory', 'file'])
 
129
        tree.put_file_bytes_non_atomic('foo-id', 'barshoom')
 
130
        revision_id = tree.commit('message baby')
 
131
        # the parents list for the tree should have changed.
 
132
        self.assertEqual([revision_id], tree.get_parent_ids())
 
133
        tree.unlock()
 
134
        # and we should have a revision that is accessible outside the tree lock
 
135
        revtree = tree.branch.repository.revision_tree(revision_id)
 
136
        self.assertEqual('barshoom', revtree.get_file('foo-id').read())
 
137
 
 
138
    def test_unversion(self):
 
139
        """Some test for unversion of a memory tree."""
 
140
        branch = self.make_branch('branch')
 
141
        tree = MemoryTree.create_on_branch(branch)
 
142
        tree.lock_write()
 
143
        tree.add(['', 'foo'], ids=['root-id', 'foo-id'], 
 
144
                 kinds=['directory', 'file'])
 
145
        tree.unversion(['foo-id'])
 
146
        self.assertFalse(tree.has_id('foo-id'))
 
147
        tree.unlock()
 
148
 
 
149
    def test_last_revision(self):
 
150
        """There should be a last revision method we can call."""
 
151
        tree = self.make_branch_and_memory_tree('branch')
 
152
        tree.lock_write()
 
153
        tree.add('')
 
154
        rev_id = tree.commit('first post')
 
155
        tree.unlock()
 
156
        self.assertEqual(rev_id, tree.last_revision())