File: test_interrepository.py

package info (click to toggle)
bzr 2.7.0%2Bbzr6619-7%2Bdeb9u1
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 41,788 kB
  • sloc: python: 228,598; ansic: 2,817; makefile: 496; sh: 287; lisp: 107
file content (205 lines) | stat: -rw-r--r-- 9,370 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
# Copyright (C) 2006-2009, 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

"""Tests for InterRepository implementastions."""

import sys

import bzrlib
import bzrlib.errors as errors
import bzrlib.gpg
from bzrlib.inventory import Inventory
from bzrlib.revision import NULL_REVISION
from bzrlib.tests import (
    TestNotApplicable,
    TestSkipped,
    )
from bzrlib.tests.matchers import MatchesAncestry
from bzrlib.tests.per_interrepository import (
    TestCaseWithInterRepository,
    )


def check_repo_format_for_funky_id_on_win32(repo):
    if not repo._format.supports_funky_characters and sys.platform == 'win32':
        raise TestSkipped("funky chars not allowed on this platform in repository"
                          " %s" % repo.__class__.__name__)


class TestInterRepository(TestCaseWithInterRepository):

    def test_interrepository_get_returns_correct_optimiser(self):
        # we assume the optimising code paths are triggered
        # by the type of the repo not the transport - at this point.
        # we may need to update this test if this changes.
        #
        # XXX: This code tests that we get an InterRepository when we try to
        # convert between the two repositories that it wants to be tested with
        # -- but that's not necessarily correct.  So for now this is disabled.
        # mbp 20070206
        ## source_repo = self.make_repository("source")
        ## target_repo = self.make_to_repository("target")
        ## interrepo = repository.InterRepository.get(source_repo, target_repo)
        ## self.assertEqual(self.interrepo_class, interrepo.__class__)
        pass


class TestCaseWithComplexRepository(TestCaseWithInterRepository):

    def setUp(self):
        super(TestCaseWithComplexRepository, self).setUp()
        tree_a = self.make_branch_and_tree('a')
        self.bzrdir = tree_a.branch.bzrdir
        # add a corrupt inventory 'orphan'
        tree_a.branch.repository.lock_write()
        tree_a.branch.repository.start_write_group()
        inv_file = tree_a.branch.repository.inventories
        inv_file.add_lines(('orphan',), [], [])
        tree_a.branch.repository.commit_write_group()
        tree_a.branch.repository.unlock()
        # add a real revision 'rev1'
        tree_a.commit('rev1', rev_id='rev1', allow_pointless=True)
        # add a real revision 'rev2' based on rev1
        tree_a.commit('rev2', rev_id='rev2', allow_pointless=True)
        # and sign 'rev2'
        tree_a.branch.repository.lock_write()
        tree_a.branch.repository.start_write_group()
        tree_a.branch.repository.sign_revision('rev2',
            bzrlib.gpg.LoopbackGPGStrategy(None))
        tree_a.branch.repository.commit_write_group()
        tree_a.branch.repository.unlock()

    def test_search_missing_revision_ids(self):
        # revision ids in repository A but not B are returned, fake ones
        # are stripped. (fake meaning no revision object, but an inventory
        # as some formats keyed off inventory data in the past.)
        # make a repository to compare against that claims to have rev1
        repo_b = self.make_to_repository('rev1_only')
        repo_a = self.bzrdir.open_repository()
        repo_b.fetch(repo_a, 'rev1')
        # check the test will be valid
        self.assertFalse(repo_b.has_revision('rev2'))
        result = repo_b.search_missing_revision_ids(repo_a)
        self.assertEqual(set(['rev2']), result.get_keys())
        self.assertEqual(('search', set(['rev2']), set(['rev1']), 1),
            result.get_recipe())

    def test_absent_requested_raises(self):
        # Asking for missing revisions with a tip that is itself absent in the
        # source raises NoSuchRevision.
        repo_b = self.make_to_repository('target')
        repo_a = self.bzrdir.open_repository()
        # No pizza revisions anywhere
        self.assertFalse(repo_a.has_revision('pizza'))
        self.assertFalse(repo_b.has_revision('pizza'))
        # Asking specifically for an absent revision errors.
        self.assertRaises(errors.NoSuchRevision,
            repo_b.search_missing_revision_ids, repo_a, revision_ids=['pizza'],
            find_ghosts=True)
        self.assertRaises(errors.NoSuchRevision,
            repo_b.search_missing_revision_ids, repo_a, revision_ids=['pizza'],
            find_ghosts=False)
        self.callDeprecated(
            ['search_missing_revision_ids(revision_id=...) was deprecated in '
             '2.4.  Use revision_ids=[...] instead.'],
            self.assertRaises, errors.NoSuchRevision,
            repo_b.search_missing_revision_ids, repo_a, revision_id='pizza',
            find_ghosts=False)

    def test_search_missing_rev_limited(self):
        # revision ids in repository A that are not referenced by the
        # requested revision are not returned.
        # make a repository to compare against that is empty
        repo_b = self.make_to_repository('empty')
        repo_a = self.bzrdir.open_repository()
        result = repo_b.search_missing_revision_ids(
            repo_a, revision_ids=['rev1'])
        self.assertEqual(set(['rev1']), result.get_keys())
        self.assertEqual(('search', set(['rev1']), set([NULL_REVISION]), 1),
            result.get_recipe())

    def test_search_missing_revision_ids_limit(self):
        # The limit= argument makes fetch() limit
        # the results to the first X topo-sorted revisions.
        repo_b = self.make_to_repository('rev1_only')
        repo_a = self.bzrdir.open_repository()
        # check the test will be valid
        self.assertFalse(repo_b.has_revision('rev2'))
        result = repo_b.search_missing_revision_ids(repo_a, limit=1)
        self.assertEqual(('search', set(['rev1']), set(['null:']), 1),
            result.get_recipe())

    def test_fetch_fetches_signatures_too(self):
        from_repo = self.bzrdir.open_repository()
        from_signature = from_repo.get_signature_text('rev2')
        to_repo = self.make_to_repository('target')
        to_repo.fetch(from_repo)
        to_signature = to_repo.get_signature_text('rev2')
        self.assertEqual(from_signature, to_signature)


class TestCaseWithGhosts(TestCaseWithInterRepository):

    def test_fetch_all_fixes_up_ghost(self):
        # we want two repositories at this point:
        # one with a revision that is a ghost in the other
        # repository.
        # 'ghost' is present in has_ghost, 'ghost' is absent in 'missing_ghost'.
        # 'references' is present in both repositories, and 'tip' is present
        # just in has_ghost.
        # has_ghost       missing_ghost
        #------------------------------
        # 'ghost'             -
        # 'references'    'references'
        # 'tip'               -
        # In this test we fetch 'tip' which should not fetch 'ghost'
        has_ghost = self.make_repository('has_ghost')
        missing_ghost = self.make_repository('missing_ghost')
        if [True, True] != [repo._format.supports_ghosts for repo in
            (has_ghost, missing_ghost)]:
            raise TestNotApplicable("Need ghost support.")

        def add_commit(repo, revision_id, parent_ids):
            repo.lock_write()
            repo.start_write_group()
            inv = Inventory(revision_id=revision_id)
            inv.root.revision = revision_id
            root_id = inv.root.file_id
            sha1 = repo.add_inventory(revision_id, inv, parent_ids)
            repo.texts.add_lines((root_id, revision_id), [], [])
            rev = bzrlib.revision.Revision(timestamp=0,
                                           timezone=None,
                                           committer="Foo Bar <foo@example.com>",
                                           message="Message",
                                           inventory_sha1=sha1,
                                           revision_id=revision_id)
            rev.parent_ids = parent_ids
            repo.add_revision(revision_id, rev)
            repo.commit_write_group()
            repo.unlock()
        add_commit(has_ghost, 'ghost', [])
        add_commit(has_ghost, 'references', ['ghost'])
        add_commit(missing_ghost, 'references', ['ghost'])
        add_commit(has_ghost, 'tip', ['references'])
        missing_ghost.fetch(has_ghost, 'tip', find_ghosts=True)
        # missing ghost now has tip and ghost.
        rev = missing_ghost.get_revision('tip')
        inv = missing_ghost.get_inventory('tip')
        rev = missing_ghost.get_revision('ghost')
        inv = missing_ghost.get_inventory('ghost')
        # rev must not be corrupt now
        self.assertThat(['ghost', 'references', 'tip'],
            MatchesAncestry(missing_ghost, 'tip'))