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Viewing changes to tests/test_branch.py

Fix updating cache for single revision - don't consider it an update of the full cache.

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tests/test_branch.py
 
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# Copyright (C) 2007 Canonical Ltd
 
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#
 
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# This program is free software; you can redistribute it and/or modify
 
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# it under the terms of the GNU General Public License as published by
 
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# the Free Software Foundation; either version 2 of the License, or
 
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# (at your option) any later version.
 
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#
 
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# This program is distributed in the hope that it will be useful,
 
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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# GNU General Public License for more details.
 
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#
 
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# You should have received a copy of the GNU General Public License
 
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# along with this program; if not, write to the Free Software
 
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
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"""Tests for interfacing with a Git Branch"""
 
19
 
 
20
 
 
21
import dulwich
 
22
from dulwich.objects import (
 
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    Commit,
 
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    Tag,
 
25
    )
 
26
from dulwich.repo import (
 
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    Repo as GitRepo,
 
28
    )
 
29
 
 
30
import os
 
31
 
 
32
from bzrlib import (
 
33
    errors,
 
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    revision,
 
35
    )
 
36
from bzrlib.branch import (
 
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    Branch,
 
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    InterBranch,
 
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    )
 
40
from bzrlib.bzrdir import (
 
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    BzrDir,
 
42
    )
 
43
from bzrlib.repository import (
 
44
    Repository,
 
45
    )
 
46
 
 
47
from bzrlib.plugins.git import (
 
48
    branch,
 
49
    tests,
 
50
    )
 
51
from bzrlib.plugins.git.dir import (
 
52
    LocalGitControlDirFormat,
 
53
    )
 
54
from bzrlib.plugins.git.mapping import (
 
55
    default_mapping,
 
56
    )
 
57
 
 
58
 
 
59
class TestGitBranch(tests.TestCaseInTempDir):
 
60
 
 
61
    def test_open_existing(self):
 
62
        GitRepo.init('.')
 
63
        d = BzrDir.open('.')
 
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        thebranch = d.create_branch()
 
65
        self.assertIsInstance(thebranch, branch.GitBranch)
 
66
 
 
67
    def test_repr(self):
 
68
        GitRepo.init('.')
 
69
        d = BzrDir.open('.')
 
70
        thebranch = d.create_branch()
 
71
        self.assertEquals("<LocalGitBranch('file://%s/', 'HEAD')>" % self.test_dir, repr(thebranch))
 
72
 
 
73
    def test_last_revision_is_null(self):
 
74
        GitRepo.init('.')
 
75
        thedir = BzrDir.open('.')
 
76
        thebranch = thedir.create_branch()
 
77
        self.assertEqual(revision.NULL_REVISION, thebranch.last_revision())
 
78
        self.assertEqual((0, revision.NULL_REVISION),
 
79
                         thebranch.last_revision_info())
 
80
 
 
81
    def simple_commit_a(self):
 
82
        r = GitRepo.init('.')
 
83
        self.build_tree(['a'])
 
84
        r.stage(["a"])
 
85
        return r.do_commit("a", committer="Somebody <foo@example.com>")
 
86
 
 
87
    def test_last_revision_is_valid(self):
 
88
        head = self.simple_commit_a()
 
89
        thebranch = Branch.open('.')
 
90
        self.assertEqual(default_mapping.revision_id_foreign_to_bzr(head),
 
91
                         thebranch.last_revision())
 
92
 
 
93
    def test_revision_history(self):
 
94
        reva = self.simple_commit_a()
 
95
        self.build_tree(['b'])
 
96
        r = GitRepo(".")
 
97
        r.stage("b")
 
98
        revb = r.do_commit("b", committer="Somebody <foo@example.com>")
 
99
 
 
100
        thebranch = Branch.open('.')
 
101
        self.assertEqual([default_mapping.revision_id_foreign_to_bzr(r) for r in (reva, revb)],
 
102
                         thebranch.revision_history())
 
103
 
 
104
    def test_tag_annotated(self):
 
105
        reva = self.simple_commit_a()
 
106
        o = Tag()
 
107
        o.name = "foo"
 
108
        o.tagger = "Jelmer <foo@example.com>"
 
109
        o.message = "add tag"
 
110
        o.object = (Commit, reva)
 
111
        o.tag_timezone = 0
 
112
        o.tag_time = 42
 
113
        r = GitRepo(".")
 
114
        r.object_store.add_object(o)
 
115
        r['refs/tags/foo'] = o.id
 
116
        thebranch = Branch.open('.')
 
117
        self.assertEquals({"foo": default_mapping.revision_id_foreign_to_bzr(reva)},
 
118
                          thebranch.tags.get_tag_dict())
 
119
 
 
120
    def test_tag(self):
 
121
        reva = self.simple_commit_a()
 
122
        r = GitRepo(".")
 
123
        r.refs["refs/tags/foo"] = reva
 
124
        thebranch = Branch.open('.')
 
125
        self.assertEquals({"foo": default_mapping.revision_id_foreign_to_bzr(reva)},
 
126
                          thebranch.tags.get_tag_dict())
 
127
 
 
128
 
 
129
 
 
130
class TestWithGitBranch(tests.TestCaseWithTransport):
 
131
 
 
132
    def setUp(self):
 
133
        tests.TestCaseWithTransport.setUp(self)
 
134
        dulwich.repo.Repo.create(self.test_dir)
 
135
        d = BzrDir.open(self.test_dir)
 
136
        self.git_branch = d.create_branch()
 
137
 
 
138
    def test_get_parent(self):
 
139
        self.assertIs(None, self.git_branch.get_parent())
 
140
 
 
141
    def test_get_stacked_on_url(self):
 
142
        self.assertRaises(errors.UnstackableBranchFormat,
 
143
            self.git_branch.get_stacked_on_url)
 
144
 
 
145
    def test_get_physical_lock_status(self):
 
146
        self.assertFalse(self.git_branch.get_physical_lock_status())
 
147
 
 
148
 
 
149
class TestGitBranchFormat(tests.TestCase):
 
150
 
 
151
    def setUp(self):
 
152
        super(TestGitBranchFormat, self).setUp()
 
153
        self.format = branch.GitBranchFormat()
 
154
 
 
155
    def test_get_format_description(self):
 
156
        self.assertEquals("Git Branch", self.format.get_format_description())
 
157
 
 
158
    def test_get_network_name(self):
 
159
        self.assertEquals("git", self.format.network_name())
 
160
 
 
161
    def test_supports_tags(self):
 
162
        self.assertTrue(self.format.supports_tags())
 
163
 
 
164
 
 
165
class BranchTests(tests.TestCaseInTempDir):
 
166
 
 
167
    def make_onerev_branch(self):
 
168
        os.mkdir("d")
 
169
        os.chdir("d")
 
170
        GitRepo.init('.')
 
171
        bb = tests.GitBranchBuilder()
 
172
        bb.set_file("foobar", "foo\nbar\n", False)
 
173
        mark = bb.commit("Somebody <somebody@someorg.org>", "mymsg")
 
174
        gitsha = bb.finish()[mark]
 
175
        os.chdir("..")
 
176
        return "d", gitsha
 
177
 
 
178
    def make_tworev_branch(self):
 
179
        os.mkdir("d")
 
180
        os.chdir("d")
 
181
        GitRepo.init('.')
 
182
        bb = tests.GitBranchBuilder()
 
183
        bb.set_file("foobar", "foo\nbar\n", False)
 
184
        mark1 = bb.commit("Somebody <somebody@someorg.org>", "mymsg")
 
185
        mark2 = bb.commit("Somebody <somebody@someorg.org>", "mymsg")
 
186
        marks = bb.finish()
 
187
        os.chdir("..")
 
188
        return "d", (marks[mark1], marks[mark2])
 
189
 
 
190
    def clone_git_branch(self, from_url, to_url):
 
191
        from_dir = BzrDir.open(from_url)
 
192
        to_dir = from_dir.sprout(to_url)
 
193
        return to_dir.open_branch()
 
194
 
 
195
    def test_single_rev(self):
 
196
        path, gitsha = self.make_onerev_branch()
 
197
        oldrepo = Repository.open(path)
 
198
        revid = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha)
 
199
        newbranch = self.clone_git_branch(path, "f")
 
200
        self.assertEquals([revid], newbranch.repository.all_revision_ids())
 
201
 
 
202
    def test_sprouted_tags(self):
 
203
        path, gitsha = self.make_onerev_branch()
 
204
        r = GitRepo(path)
 
205
        r.refs["refs/tags/lala"] = r.head()
 
206
        oldrepo = Repository.open(path)
 
207
        revid = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha)
 
208
        newbranch = self.clone_git_branch(path, "f")
 
209
        self.assertEquals({"lala": revid}, newbranch.tags.get_tag_dict())
 
210
        self.assertEquals([revid], newbranch.repository.all_revision_ids())
 
211
 
 
212
    def test_interbranch_pull(self):
 
213
        path, (gitsha1, gitsha2) = self.make_tworev_branch()
 
214
        oldrepo = Repository.open(path)
 
215
        revid2 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha2)
 
216
        newbranch = self.make_branch('g')
 
217
        inter_branch = InterBranch.get(Branch.open(path), newbranch)
 
218
        inter_branch.pull()
 
219
        self.assertEquals(revid2, newbranch.last_revision())
 
220
 
 
221
    def test_interbranch_pull_noop(self):
 
222
        path, (gitsha1, gitsha2) = self.make_tworev_branch()
 
223
        oldrepo = Repository.open(path)
 
224
        revid2 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha2)
 
225
        newbranch = self.make_branch('g')
 
226
        inter_branch = InterBranch.get(Branch.open(path), newbranch)
 
227
        inter_branch.pull()
 
228
        # This is basically "assertNotRaises"
 
229
        inter_branch.pull()
 
230
        self.assertEquals(revid2, newbranch.last_revision())
 
231
 
 
232
    def test_interbranch_pull_stop_revision(self):
 
233
        path, (gitsha1, gitsha2) = self.make_tworev_branch()
 
234
        oldrepo = Repository.open(path)
 
235
        revid1 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha1)
 
236
        newbranch = self.make_branch('g')
 
237
        inter_branch = InterBranch.get(Branch.open(path), newbranch)
 
238
        inter_branch.pull(stop_revision=revid1)
 
239
        self.assertEquals(revid1, newbranch.last_revision())
 
240
 
 
241
    def test_interbranch_pull_with_tags(self):
 
242
        path, (gitsha1, gitsha2) = self.make_tworev_branch()
 
243
        gitrepo = GitRepo(path)
 
244
        gitrepo.refs["refs/tags/sometag"] = gitsha2
 
245
        oldrepo = Repository.open(path)
 
246
        revid1 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha1)
 
247
        revid2 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha2)
 
248
        newbranch = self.make_branch('g')
 
249
        inter_branch = InterBranch.get(Branch.open(path), newbranch)
 
250
        inter_branch.pull(stop_revision=revid1)
 
251
        self.assertEquals(revid1, newbranch.last_revision())
 
252
        self.assertTrue(newbranch.repository.has_revision(revid2))
 
253
 
 
254
 
 
255
class ForeignTestsBranchFactory(object):
 
256
 
 
257
    def make_empty_branch(self, transport):
 
258
        d = LocalGitControlDirFormat().initialize_on_transport(transport)
 
259
        return d.create_branch()
 
260
 
 
261
    make_branch = make_empty_branch
 
262
 
 
263
 
 
264