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Viewing changes to tests/test_object_store.py

  • Committer: John Arbash Meinel
  • Date: 2010-01-12 22:51:31 UTC
  • mto: This revision was merged to the branch mainline in revision 4955.
  • Revision ID: john@arbash-meinel.com-20100112225131-he8h411p6aeeb947
Delay grabbing an output stream until we actually go to show a diff.

This makes the test suite happy, but it also seems to be reasonable.
If we aren't going to write anything, we don't need to hold an
output stream open.

Show diffs side-by-side

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Lines of Context:
tests/test_object_store.py
1
 
# Copyright (C) 2010 Jelmer Vernooij <jelmer@samba.org>
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
 
"""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)