1
# Copyright (C) 2006, 2008-2011 Canonical Ltd
2
# Authors: Robert Collins <robert.collins@canonical.com>
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.
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.
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18
"""Tests for the RevisionTree class."""
24
from bzrlib.tests import TestCaseWithTransport
27
class TestTreeWithCommits(TestCaseWithTransport):
30
super(TestTreeWithCommits, self).setUp()
31
self.t = self.make_branch_and_tree('.')
32
self.rev_id = self.t.commit('foo', allow_pointless=True)
33
self.rev_tree = self.t.branch.repository.revision_tree(self.rev_id)
35
def test_empty_no_unknowns(self):
36
self.assertEqual([], list(self.rev_tree.unknowns()))
38
def test_no_conflicts(self):
39
self.assertEqual([], list(self.rev_tree.conflicts()))
41
def test_parents(self):
42
"""RevisionTree.parent_ids should match the revision graph."""
43
# XXX: TODO: Should this be a repository_implementation test ?
44
# at the end of the graph, we get []
45
self.assertEqual([], self.rev_tree.get_parent_ids())
46
# do a commit to look further up
47
revid_2 = self.t.commit('bar', allow_pointless=True)
50
self.t.branch.repository.revision_tree(revid_2).get_parent_ids())
51
# TODO commit a merge and check it is reported correctly.
53
# the parents for a revision_tree(NULL_REVISION) are []:
55
self.t.branch.repository.revision_tree(
56
revision.NULL_REVISION).get_parent_ids())
58
def test_empty_no_root(self):
59
null_tree = self.t.branch.repository.revision_tree(
60
revision.NULL_REVISION)
61
self.assertIs(None, null_tree.inventory.root)
62
self.assertIs(None, null_tree.get_root_id())
64
def test_get_file_revision_root(self):
65
self.assertEquals(self.rev_id,
66
self.rev_tree.get_file_revision(self.rev_tree.get_root_id()))
68
def test_get_file_revision(self):
69
self.build_tree_contents([('a', 'initial')])
71
revid1 = self.t.commit('add a')
72
revid2 = self.t.commit('another change', allow_pointless=True)
73
tree = self.t.branch.repository.revision_tree(revid2)
74
self.assertEquals(revid1,
75
tree.get_file_revision(tree.path2id('a')))
77
def test_get_file_mtime_ghost(self):
78
file_id = iter(self.rev_tree.all_file_ids()).next()
79
self.rev_tree.inventory[file_id].revision = 'ghostrev'
80
self.assertRaises(errors.FileTimestampUnavailable,
81
self.rev_tree.get_file_mtime, file_id)