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Viewing changes to tests/test_object_store.py

  • Committer: Robert Collins
  • Date: 2010-05-06 11:08:10 UTC
  • mto: This revision was merged to the branch mainline in revision 5223.
  • Revision ID: robertc@robertcollins.net-20100506110810-h3j07fh5gmw54s25
Cleaner matcher matching revised unlocking protocol.

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tests/test_object_store.py
1
 
# Copyright (C) 2010 Jelmer Vernooij <jelmer@samba.org>
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#
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# 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
 
"""Tests for bzr-git's object store."""
18
 
 
19
 
from dulwich.objects import (
20
 
    Blob,
21
 
    )
22
 
 
23
 
from bzrlib.branchbuilder import (
24
 
    BranchBuilder,
25
 
    )
26
 
from bzrlib.errors import (
27
 
    NoSuchRevision,
28
 
    )
29
 
from bzrlib.graph import (
30
 
    DictParentsProvider,
31
 
    Graph,
32
 
    )
33
 
from bzrlib.tests import (
34
 
    TestCase,
35
 
    TestCaseWithTransport,
36
 
    )
37
 
 
38
 
from bzrlib.plugins.git.cache import (
39
 
    DictGitShaMap,
40
 
    )
41
 
from bzrlib.plugins.git.object_store import (
42
 
    BazaarObjectStore,
43
 
    LRUTreeCache,
44
 
    _check_expected_sha,
45
 
    _find_missing_bzr_revids,
46
 
    _tree_to_objects,
47
 
    )
48
 
 
49
 
 
50
 
class ExpectedShaTests(TestCase):
51
 
 
52
 
    def setUp(self):
53
 
        super(ExpectedShaTests, self).setUp()
54
 
        self.obj = Blob()
55
 
        self.obj.data = "foo"
56
 
 
57
 
    def test_none(self):
58
 
        _check_expected_sha(None, self.obj)
59
 
 
60
 
    def test_hex(self):
61
 
        _check_expected_sha(self.obj.sha().hexdigest(), self.obj)
62
 
        self.assertRaises(AssertionError, _check_expected_sha, 
63
 
            "0" * 40, self.obj)
64
 
 
65
 
    def test_binary(self):
66
 
        _check_expected_sha(self.obj.sha().digest(), self.obj)
67
 
        self.assertRaises(AssertionError, _check_expected_sha, 
68
 
            "x" * 20, self.obj)
69
 
 
70
 
 
71
 
class FindMissingBzrRevidsTests(TestCase):
72
 
 
73
 
    def _find_missing(self, ancestry, want, have):
74
 
        return _find_missing_bzr_revids(
75
 
            Graph(DictParentsProvider(ancestry)),
76
 
            set(want), set(have))
77
 
 
78
 
    def test_simple(self):
79
 
        self.assertEquals(set(), self._find_missing({}, [], []))
80
 
 
81
 
    def test_up_to_date(self):
82
 
        self.assertEquals(set(),
83
 
                self._find_missing({"a": ["b"]}, ["a"], ["a"]))
84
 
 
85
 
    def test_one_missing(self):
86
 
        self.assertEquals(set(["a"]),
87
 
                self._find_missing({"a": ["b"]}, ["a"], ["b"]))
88
 
 
89
 
    def test_two_missing(self):
90
 
        self.assertEquals(set(["a", "b"]),
91
 
                self._find_missing({"a": ["b"], "b": ["c"]}, ["a"], ["c"]))
92
 
 
93
 
    def test_two_missing_history(self):
94
 
        self.assertEquals(set(["a", "b"]),
95
 
                self._find_missing({"a": ["b"], "b": ["c"], "c": ["d"]},
96
 
                    ["a"], ["c"]))
97
 
 
98
 
 
99
 
class LRUTreeCacheTests(TestCaseWithTransport):
100
 
 
101
 
    def setUp(self):
102
 
        super(LRUTreeCacheTests, self).setUp()
103
 
        self.branch = self.make_branch(".")
104
 
        self.branch.lock_write()
105
 
        self.addCleanup(self.branch.unlock)
106
 
        self.cache = LRUTreeCache(self.branch.repository)
107
 
 
108
 
    def test_get_not_present(self):
109
 
        self.assertRaises(NoSuchRevision, self.cache.revision_tree,
110
 
                "unknown")
111
 
 
112
 
    def test_revision_trees(self):
113
 
        self.assertRaises(NoSuchRevision, self.cache.revision_trees,
114
 
                ["unknown", "la"])
115
 
 
116
 
    def test_iter_revision_trees(self):
117
 
        self.assertRaises(NoSuchRevision, self.cache.iter_revision_trees,
118
 
                ["unknown", "la"])
119
 
 
120
 
    def test_get(self):
121
 
        bb = BranchBuilder(branch=self.branch)
122
 
        bb.start_series()
123
 
        bb.build_snapshot('BASE-id', None,
124
 
            [('add', ('', None, 'directory', None)),
125
 
             ('add', ('foo', 'foo-id', 'file', 'a\nb\nc\nd\ne\n')),
126
 
             ])
127
 
        bb.finish_series()
128
 
        tree = self.cache.revision_tree("BASE-id")
129
 
        self.assertEquals("BASE-id", tree.get_revision_id())
130
 
 
131
 
 
132
 
class BazaarObjectStoreTests(TestCaseWithTransport):
133
 
 
134
 
    def setUp(self):
135
 
        super(BazaarObjectStoreTests, self).setUp()
136
 
        self.branch = self.make_branch(".")
137
 
        self.branch.lock_write()
138
 
        self.addCleanup(self.branch.unlock)
139
 
        self.store = BazaarObjectStore(self.branch.repository)
140
 
 
141
 
    def test_get_blob(self):
142
 
        b = Blob()
143
 
        b.data = 'a\nb\nc\nd\ne\n'
144
 
        self.store.lock_read()
145
 
        self.addCleanup(self.store.unlock)
146
 
        self.assertRaises(KeyError, self.store.__getitem__, b.id)
147
 
        bb = BranchBuilder(branch=self.branch)
148
 
        bb.start_series()
149
 
        bb.build_snapshot('BASE-id', None,
150
 
            [('add', ('', None, 'directory', None)),
151
 
             ('add', ('foo', 'foo-id', 'file', 'a\nb\nc\nd\ne\n')),
152
 
             ])
153
 
        bb.finish_series()
154
 
        # read locks cache
155
 
        self.assertRaises(KeyError, self.store.__getitem__, b.id)
156
 
        self.store.unlock()
157
 
        self.store.lock_read()
158
 
        self.assertEquals(b, self.store[b.id])
159
 
 
160
 
    def test_get_raw(self):
161
 
        b = Blob()
162
 
        b.data = 'a\nb\nc\nd\ne\n'
163
 
        self.store.lock_read()
164
 
        self.addCleanup(self.store.unlock)
165
 
        self.assertRaises(KeyError, self.store.get_raw, b.id)
166
 
        bb = BranchBuilder(branch=self.branch)
167
 
        bb.start_series()
168
 
        bb.build_snapshot('BASE-id', None,
169
 
            [('add', ('', None, 'directory', None)),
170
 
             ('add', ('foo', 'foo-id', 'file', 'a\nb\nc\nd\ne\n')),
171
 
             ])
172
 
        bb.finish_series()
173
 
        # read locks cache
174
 
        self.assertRaises(KeyError, self.store.get_raw, b.id)
175
 
        self.store.unlock()
176
 
        self.store.lock_read()
177
 
        self.assertEquals(b.as_raw_string(), self.store.get_raw(b.id)[1])
178
 
 
179
 
    def test_contains(self):
180
 
        b = Blob()
181
 
        b.data = 'a\nb\nc\nd\ne\n'
182
 
        self.store.lock_read()
183
 
        self.addCleanup(self.store.unlock)
184
 
        self.assertFalse(b.id in self.store)
185
 
        bb = BranchBuilder(branch=self.branch)
186
 
        bb.start_series()
187
 
        bb.build_snapshot('BASE-id', None,
188
 
            [('add', ('', None, 'directory', None)),
189
 
             ('add', ('foo', 'foo-id', 'file', 'a\nb\nc\nd\ne\n')),
190
 
             ])
191
 
        bb.finish_series()
192
 
        # read locks cache
193
 
        self.assertFalse(b.id in self.store)
194
 
        self.store.unlock()
195
 
        self.store.lock_read()
196
 
        self.assertTrue(b.id in self.store)
197
 
 
198
 
 
199
 
class TreeToObjectsTests(TestCaseWithTransport):
200
 
 
201
 
    def setUp(self):
202
 
        super(TreeToObjectsTests, self).setUp()
203
 
        self.idmap = DictGitShaMap()
204
 
 
205
 
    def test_no_changes(self):
206
 
        tree = self.make_branch_and_tree('.')
207
 
        entries = list(_tree_to_objects(tree, [tree], self.idmap, {}))
208
 
        self.assertEquals([], entries)