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tests/test_branch.py
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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"""Tests for interfacing with a Git Branch"""
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from bzrlib import revision
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from bzrlib.branch import Branch
 
20
 
 
21
import dulwich
 
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from dulwich.objects import (
 
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    Commit,
 
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    Tag,
 
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    )
 
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from dulwich.repo import (
 
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    Repo as GitRepo,
 
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    )
 
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import os
 
31
 
 
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from bzrlib import (
 
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    errors,
 
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    revision,
 
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    )
 
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from bzrlib.branch import (
 
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    Branch,
 
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    InterBranch,
 
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    )
 
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from bzrlib.bzrdir import (
 
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    BzrDir,
 
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    )
 
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from bzrlib.repository import (
 
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    Repository,
 
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    )
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from bzrlib.plugins.git import (
 
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    LocalGitControlDirFormat,
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    branch,
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    tests,
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    )
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from bzrlib.plugins.git.mapping import default_mapping
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28
 
import dulwich as git
 
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from bzrlib.plugins.git.mapping import (
 
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    default_mapping,
 
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    )
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class TestGitBranch(tests.TestCaseInTempDir):
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    _test_needs_features = [tests.GitCommandFeature]
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    def test_open_existing(self):
36
 
        tests.run_git('init')
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38
 
        thebranch = Branch.open('.')
 
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        GitRepo.init('.')
 
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        d = BzrDir.open('.')
 
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        thebranch = d.create_branch()
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        self.assertIsInstance(thebranch, branch.GitBranch)
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64
 
 
65
    def test_repr(self):
 
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        GitRepo.init('.')
 
67
        d = BzrDir.open('.')
 
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        thebranch = d.create_branch()
 
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        self.assertEquals("<LocalGitBranch('file://%s/', 'HEAD')>" % self.test_dir, repr(thebranch))
 
70
 
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    def test_last_revision_is_null(self):
42
 
        tests.run_git('init')
43
 
 
44
 
        thebranch = Branch.open('.')
 
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        GitRepo.init('.')
 
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        thedir = BzrDir.open('.')
 
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        thebranch = thedir.create_branch()
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        self.assertEqual(revision.NULL_REVISION, thebranch.last_revision())
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        self.assertEqual((0, revision.NULL_REVISION),
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                         thebranch.last_revision_info())
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78
 
49
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    def simple_commit_a(self):
50
 
        tests.run_git('init')
 
80
        r = GitRepo.init('.')
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81
        self.build_tree(['a'])
52
 
        tests.run_git('add', 'a')
53
 
        tests.run_git('commit', '-m', 'a')
 
82
        r.stage(["a"])
 
83
        return r.do_commit("a", committer="Somebody <foo@example.com>")
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84
 
55
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    def test_last_revision_is_valid(self):
56
 
        self.simple_commit_a()
57
 
        head = tests.run_git('rev-parse', 'HEAD').strip()
58
 
 
 
86
        head = self.simple_commit_a()
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87
        thebranch = Branch.open('.')
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88
        self.assertEqual(default_mapping.revision_id_foreign_to_bzr(head),
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                         thebranch.last_revision())
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90
 
63
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    def test_revision_history(self):
64
 
        self.simple_commit_a()
65
 
        reva = tests.run_git('rev-parse', 'HEAD').strip()
 
92
        reva = self.simple_commit_a()
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93
        self.build_tree(['b'])
67
 
        tests.run_git('add', 'b')
68
 
        tests.run_git('commit', '-m', 'b')
69
 
        revb = tests.run_git('rev-parse', 'HEAD').strip()
 
94
        r = GitRepo(".")
 
95
        r.stage("b")
 
96
        revb = r.do_commit("b", committer="Somebody <foo@example.com>")
70
97
 
71
98
        thebranch = Branch.open('.')
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        self.assertEqual([default_mapping.revision_id_foreign_to_bzr(r) for r in (reva, revb)],
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                         thebranch.revision_history())
74
101
 
75
 
    def test_tags(self):
76
 
        self.simple_commit_a()
77
 
        reva = tests.run_git('rev-parse', 'HEAD').strip()
78
 
        
79
 
        tests.run_git('tag', '-a', '-m', 'add tag', 'foo')
80
 
        
81
 
        thebranch = Branch.open('.')
82
 
        self.assertEquals({"foo": default_mapping.revision_id_foreign_to_bzr(reva)},
83
 
                          thebranch.tags.get_tag_dict())
84
 
        
 
102
    def test_tag_annotated(self):
 
103
        reva = self.simple_commit_a()
 
104
        o = Tag()
 
105
        o.name = "foo"
 
106
        o.tagger = "Jelmer <foo@example.com>"
 
107
        o.message = "add tag"
 
108
        o.object = (Commit, reva)
 
109
        o.tag_timezone = 0
 
110
        o.tag_time = 42
 
111
        r = GitRepo(".")
 
112
        r.object_store.add_object(o)
 
113
        r['refs/tags/foo'] = o.id
 
114
        thebranch = Branch.open('.')
 
115
        self.assertEquals({"foo": default_mapping.revision_id_foreign_to_bzr(reva)},
 
116
                          thebranch.tags.get_tag_dict())
 
117
 
 
118
    def test_tag(self):
 
119
        reva = self.simple_commit_a()
 
120
        r = GitRepo(".")
 
121
        r.refs["refs/tags/foo"] = reva
 
122
        thebranch = Branch.open('.')
 
123
        self.assertEquals({"foo": default_mapping.revision_id_foreign_to_bzr(reva)},
 
124
                          thebranch.tags.get_tag_dict())
 
125
 
 
126
 
85
127
 
86
128
class TestWithGitBranch(tests.TestCaseWithTransport):
87
129
 
88
130
    def setUp(self):
89
131
        tests.TestCaseWithTransport.setUp(self)
90
 
        git.repo.Repo.create(self.test_dir)
91
 
        self.git_branch = Branch.open(self.test_dir)
 
132
        dulwich.repo.Repo.create(self.test_dir)
 
133
        d = BzrDir.open(self.test_dir)
 
134
        self.git_branch = d.create_branch()
92
135
 
93
136
    def test_get_parent(self):
94
137
        self.assertIs(None, self.git_branch.get_parent())
95
138
 
96
139
    def test_get_stacked_on_url(self):
97
 
        self.assertIs(None, self.git_branch.get_stacked_on_url())
 
140
        self.assertRaises(errors.UnstackableBranchFormat,
 
141
            self.git_branch.get_stacked_on_url)
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142
 
99
143
    def test_get_physical_lock_status(self):
100
144
        self.assertFalse(self.git_branch.get_physical_lock_status())
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152
 
109
153
    def test_get_format_description(self):
110
154
        self.assertEquals("Git Branch", self.format.get_format_description())
 
155
 
 
156
    def test_get_network_name(self):
 
157
        self.assertEquals("git", self.format.network_name())
 
158
 
 
159
    def test_supports_tags(self):
 
160
        self.assertTrue(self.format.supports_tags())
 
161
 
 
162
 
 
163
class BranchTests(tests.TestCaseInTempDir):
 
164
 
 
165
    def make_onerev_branch(self):
 
166
        os.mkdir("d")
 
167
        os.chdir("d")
 
168
        GitRepo.init('.')
 
169
        bb = tests.GitBranchBuilder()
 
170
        bb.set_file("foobar", "foo\nbar\n", False)
 
171
        mark = bb.commit("Somebody <somebody@someorg.org>", "mymsg")
 
172
        gitsha = bb.finish()[mark]
 
173
        os.chdir("..")
 
174
        return "d", gitsha
 
175
 
 
176
    def make_tworev_branch(self):
 
177
        os.mkdir("d")
 
178
        os.chdir("d")
 
179
        GitRepo.init('.')
 
180
        bb = tests.GitBranchBuilder()
 
181
        bb.set_file("foobar", "foo\nbar\n", False)
 
182
        mark1 = bb.commit("Somebody <somebody@someorg.org>", "mymsg")
 
183
        mark2 = bb.commit("Somebody <somebody@someorg.org>", "mymsg")
 
184
        marks = bb.finish()
 
185
        os.chdir("..")
 
186
        return "d", (marks[mark1], marks[mark2])
 
187
 
 
188
    def clone_git_branch(self, from_url, to_url):
 
189
        from_dir = BzrDir.open(from_url)
 
190
        to_dir = from_dir.sprout(to_url)
 
191
        return to_dir.open_branch()
 
192
 
 
193
    def test_single_rev(self):
 
194
        path, gitsha = self.make_onerev_branch()
 
195
        oldrepo = Repository.open(path)
 
196
        revid = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha)
 
197
        newbranch = self.clone_git_branch(path, "f")
 
198
        self.assertEquals([revid], newbranch.repository.all_revision_ids())
 
199
 
 
200
    def test_sprouted_tags(self):
 
201
        path, gitsha = self.make_onerev_branch()
 
202
        r = GitRepo(path)
 
203
        r.refs["refs/tags/lala"] = r.head()
 
204
        oldrepo = Repository.open(path)
 
205
        revid = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha)
 
206
        newbranch = self.clone_git_branch(path, "f")
 
207
        self.assertEquals({"lala": revid}, newbranch.tags.get_tag_dict())
 
208
        self.assertEquals([revid], newbranch.repository.all_revision_ids())
 
209
 
 
210
    def test_interbranch_pull(self):
 
211
        path, (gitsha1, gitsha2) = self.make_tworev_branch()
 
212
        oldrepo = Repository.open(path)
 
213
        revid2 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha2)
 
214
        newbranch = self.make_branch('g')
 
215
        inter_branch = InterBranch.get(Branch.open(path), newbranch)
 
216
        inter_branch.pull()
 
217
        self.assertEquals(revid2, newbranch.last_revision())
 
218
 
 
219
    def test_interbranch_pull_noop(self):
 
220
        path, (gitsha1, gitsha2) = self.make_tworev_branch()
 
221
        oldrepo = Repository.open(path)
 
222
        revid2 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha2)
 
223
        newbranch = self.make_branch('g')
 
224
        inter_branch = InterBranch.get(Branch.open(path), newbranch)
 
225
        inter_branch.pull()
 
226
        # This is basically "assertNotRaises"
 
227
        inter_branch.pull()
 
228
        self.assertEquals(revid2, newbranch.last_revision())
 
229
 
 
230
    def test_interbranch_pull_stop_revision(self):
 
231
        path, (gitsha1, gitsha2) = self.make_tworev_branch()
 
232
        oldrepo = Repository.open(path)
 
233
        revid1 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha1)
 
234
        newbranch = self.make_branch('g')
 
235
        inter_branch = InterBranch.get(Branch.open(path), newbranch)
 
236
        inter_branch.pull(stop_revision=revid1)
 
237
        self.assertEquals(revid1, newbranch.last_revision())
 
238
 
 
239
    def test_interbranch_limited_pull(self):
 
240
        path, (gitsha1, gitsha2) = self.make_tworev_branch()
 
241
        oldrepo = Repository.open(path)
 
242
        revid1 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha1)
 
243
        revid2 = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha2)
 
244
        newbranch = self.make_branch('g')
 
245
        inter_branch = InterBranch.get(Branch.open(path), newbranch)
 
246
        inter_branch.pull(limit=1)
 
247
        self.assertEquals(revid1, newbranch.last_revision())
 
248
        inter_branch.pull(limit=1)
 
249
        self.assertEquals(revid2, newbranch.last_revision())
 
250
 
 
251
 
 
252
class ForeignTestsBranchFactory(object):
 
253
 
 
254
    def make_empty_branch(self, transport):
 
255
        d = LocalGitControlDirFormat().initialize_on_transport(transport)
 
256
        return d.create_branch()
 
257
 
 
258
    make_branch = make_empty_branch
 
259
 
 
260
 
 
261