/brz/remove-bazaar

To get this branch, use:
bzr branch http://gegoxaren.bato24.eu/bzr/brz/remove-bazaar

« back to all changes in this revision

Viewing changes to breezy/tests/test_foreign.py

  • Committer: Jelmer Vernooij
  • Date: 2017-06-08 00:00:28 UTC
  • mto: This revision was merged to the branch mainline in revision 6672.
  • Revision ID: jelmer@jelmer.uk-20170608000028-e3ggtt4wjbcjh91j
Drop pycurl support.

Show diffs side-by-side

added added

removed removed

Lines of Context:
breezy/tests/test_foreign.py
 
1
# Copyright (C) 2008-2012, 2016 Canonical Ltd
 
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
16
 
 
17
 
 
18
"""Tests for foreign VCS utility code."""
 
19
 
 
20
 
 
21
from .. import (
 
22
    branch,
 
23
    bzrbranch,
 
24
    bzrdir,
 
25
    controldir,
 
26
    errors,
 
27
    foreign,
 
28
    lockable_files,
 
29
    lockdir,
 
30
    repository,
 
31
    revision,
 
32
    tests,
 
33
    trace,
 
34
    vf_repository,
 
35
    )
 
36
 
 
37
from ..repofmt import groupcompress_repo
 
38
 
 
39
# This is the dummy foreign revision control system, used 
 
40
# mainly here in the testsuite to test the foreign VCS infrastructure.
 
41
# It is basically standard Bazaar with some minor modifications to 
 
42
# make it "foreign". 
 
43
# 
 
44
# It has the following differences to "regular" Bazaar:
 
45
# - The control directory is named ".dummy", not ".bzr".
 
46
# - The revision ids are tuples, not strings.
 
47
# - Doesn't support more than one parent natively
 
48
 
 
49
 
 
50
class DummyForeignVcsMapping(foreign.VcsMapping):
 
51
    """A simple mapping for the dummy Foreign VCS, for use with testing."""
 
52
 
 
53
    def __eq__(self, other):
 
54
        return isinstance(self, type(other))
 
55
 
 
56
    def revision_id_bzr_to_foreign(self, bzr_revid):
 
57
        return tuple(bzr_revid[len("dummy-v1:"):].split("-")), self
 
58
 
 
59
    def revision_id_foreign_to_bzr(self, foreign_revid):
 
60
        return "dummy-v1:%s-%s-%s" % foreign_revid
 
61
 
 
62
 
 
63
class DummyForeignVcsMappingRegistry(foreign.VcsMappingRegistry):
 
64
 
 
65
    def revision_id_bzr_to_foreign(self, revid):
 
66
        if not revid.startswith("dummy-"):
 
67
            raise errors.InvalidRevisionId(revid, None)
 
68
        mapping_version = revid[len("dummy-"):len("dummy-vx")]
 
69
        mapping = self.get(mapping_version)
 
70
        return mapping.revision_id_bzr_to_foreign(revid)
 
71
 
 
72
 
 
73
class DummyForeignVcs(foreign.ForeignVcs):
 
74
    """A dummy Foreign VCS, for use with testing.
 
75
 
 
76
    It has revision ids that are a tuple with three strings.
 
77
    """
 
78
 
 
79
    def __init__(self):
 
80
        self.mapping_registry = DummyForeignVcsMappingRegistry()
 
81
        self.mapping_registry.register("v1", DummyForeignVcsMapping(self),
 
82
                                       "Version 1")
 
83
        self.abbreviation = "dummy"
 
84
 
 
85
    def show_foreign_revid(self, foreign_revid):
 
86
        return { "dummy ding": "%s/%s\\%s" % foreign_revid }
 
87
 
 
88
    def serialize_foreign_revid(self, foreign_revid):
 
89
        return "%s|%s|%s" % foreign_revid
 
90
 
 
91
 
 
92
class DummyForeignVcsBranch(bzrbranch.BzrBranch6,foreign.ForeignBranch):
 
93
    """A Dummy VCS Branch."""
 
94
 
 
95
    @property
 
96
    def user_transport(self):
 
97
        return self.bzrdir.user_transport
 
98
 
 
99
    def __init__(self, _format, _control_files, a_bzrdir, *args, **kwargs):
 
100
        self._format = _format
 
101
        self._base = a_bzrdir.transport.base
 
102
        self._ignore_fallbacks = False
 
103
        self.bzrdir = a_bzrdir
 
104
        foreign.ForeignBranch.__init__(self,
 
105
            DummyForeignVcsMapping(DummyForeignVcs()))
 
106
        bzrbranch.BzrBranch6.__init__(self, _format, _control_files, a_bzrdir,
 
107
            *args, **kwargs)
 
108
 
 
109
    def _get_checkout_format(self, lightweight=False):
 
110
        """Return the most suitable metadir for a checkout of this branch.
 
111
        Weaves are used if this branch's repository uses weaves.
 
112
        """
 
113
        return self.bzrdir.checkout_metadir()
 
114
 
 
115
    def import_last_revision_info_and_tags(self, source, revno, revid,
 
116
                                           lossy=False):
 
117
        interbranch = InterToDummyVcsBranch(source, self)
 
118
        result = interbranch.push(stop_revision=revid, lossy=True)
 
119
        if lossy:
 
120
            revid = result.revidmap[revid]
 
121
        return (revno, revid)
 
122
 
 
123
 
 
124
class DummyForeignCommitBuilder(vf_repository.VersionedFileRootCommitBuilder):
 
125
 
 
126
    def _generate_revision_if_needed(self):
 
127
        mapping = DummyForeignVcsMapping(DummyForeignVcs())
 
128
        if self._lossy:
 
129
            self._new_revision_id = mapping.revision_id_foreign_to_bzr(
 
130
                (str(self._timestamp), str(self._timezone), "UNKNOWN"))
 
131
            self.random_revid = False
 
132
        elif self._new_revision_id is not None:
 
133
            self.random_revid = False
 
134
        else:
 
135
            self._new_revision_id = self._gen_revision_id()
 
136
            self.random_revid = True
 
137
 
 
138
 
 
139
class DummyForeignVcsRepository(groupcompress_repo.CHKInventoryRepository,
 
140
    foreign.ForeignRepository):
 
141
    """Dummy foreign vcs repository."""
 
142
 
 
143
 
 
144
class DummyForeignVcsRepositoryFormat(groupcompress_repo.RepositoryFormat2a):
 
145
 
 
146
    repository_class = DummyForeignVcsRepository
 
147
    _commit_builder_class = DummyForeignCommitBuilder
 
148
 
 
149
    @classmethod
 
150
    def get_format_string(cls):
 
151
        return "Dummy Foreign Vcs Repository"
 
152
 
 
153
    def get_format_description(self):
 
154
        return "Dummy Foreign Vcs Repository"
 
155
 
 
156
 
 
157
def branch_history(graph, revid):
 
158
    ret = list(graph.iter_lefthand_ancestry(revid,
 
159
        (revision.NULL_REVISION,)))
 
160
    ret.reverse()
 
161
    return ret
 
162
 
 
163
 
 
164
class InterToDummyVcsBranch(branch.GenericInterBranch):
 
165
 
 
166
    @staticmethod
 
167
    def is_compatible(source, target):
 
168
        return isinstance(target, DummyForeignVcsBranch)
 
169
 
 
170
    def push(self, overwrite=False, stop_revision=None, lossy=False):
 
171
        if not lossy:
 
172
            raise errors.NoRoundtrippingSupport(self.source, self.target)
 
173
        result = branch.BranchPushResult()
 
174
        result.source_branch = self.source
 
175
        result.target_branch = self.target
 
176
        result.old_revno, result.old_revid = self.target.last_revision_info()
 
177
        self.source.lock_read()
 
178
        try:
 
179
            graph = self.source.repository.get_graph()
 
180
            # This just handles simple cases, but that's good enough for tests
 
181
            my_history = branch_history(self.target.repository.get_graph(),
 
182
                result.old_revid)
 
183
            if stop_revision is None:
 
184
                stop_revision = self.source.last_revision()
 
185
            their_history = branch_history(graph, stop_revision)
 
186
            if their_history[:min(len(my_history), len(their_history))] != my_history:
 
187
                raise errors.DivergedBranches(self.target, self.source)
 
188
            todo = their_history[len(my_history):]
 
189
            revidmap = {}
 
190
            for revid in todo:
 
191
                rev = self.source.repository.get_revision(revid)
 
192
                tree = self.source.repository.revision_tree(revid)
 
193
                def get_file_with_stat(file_id, path=None):
 
194
                    return (tree.get_file(file_id), None)
 
195
                tree.get_file_with_stat = get_file_with_stat
 
196
                new_revid = self.target.mapping.revision_id_foreign_to_bzr(
 
197
                    (str(rev.timestamp), str(rev.timezone),
 
198
                        str(self.target.revno())))
 
199
                parent_revno, parent_revid= self.target.last_revision_info()
 
200
                if parent_revid == revision.NULL_REVISION:
 
201
                    parent_revids = []
 
202
                else:
 
203
                    parent_revids = [parent_revid]
 
204
                builder = self.target.get_commit_builder(parent_revids, 
 
205
                        self.target.get_config_stack(), rev.timestamp,
 
206
                        rev.timezone, rev.committer, rev.properties,
 
207
                        new_revid)
 
208
                try:
 
209
                    parent_tree = self.target.repository.revision_tree(
 
210
                        parent_revid)
 
211
                    for path, ie in tree.iter_entries_by_dir():
 
212
                        new_ie = ie.copy()
 
213
                        new_ie.revision = None
 
214
                        builder.record_entry_contents(new_ie, 
 
215
                            [parent_tree.root_inventory],
 
216
                            path, tree, 
 
217
                            (ie.kind, ie.text_size, ie.executable, ie.text_sha1))
 
218
                    builder.finish_inventory()
 
219
                except:
 
220
                    builder.abort()
 
221
                    raise
 
222
                revidmap[revid] = builder.commit(rev.message)
 
223
                self.target.set_last_revision_info(parent_revno+1, 
 
224
                    revidmap[revid])
 
225
                trace.mutter('lossily pushed revision %s -> %s', 
 
226
                    revid, revidmap[revid])
 
227
        finally:
 
228
            self.source.unlock()
 
229
        result.new_revno, result.new_revid = self.target.last_revision_info()
 
230
        result.revidmap = revidmap
 
231
        return result
 
232
 
 
233
 
 
234
class DummyForeignVcsBranchFormat(bzrbranch.BzrBranchFormat6):
 
235
 
 
236
    @classmethod
 
237
    def get_format_string(cls):
 
238
        return "Branch for Testing"
 
239
 
 
240
    @property
 
241
    def _matchingbzrdir(self):
 
242
        return DummyForeignVcsDirFormat()
 
243
 
 
244
    def open(self, a_bzrdir, name=None, _found=False, ignore_fallbacks=False,
 
245
            found_repository=None):
 
246
        if name is None:
 
247
            name = a_bzrdir._get_selected_branch()
 
248
        if not _found:
 
249
            raise NotImplementedError
 
250
        try:
 
251
            transport = a_bzrdir.get_branch_transport(None, name=name)
 
252
            control_files = lockable_files.LockableFiles(transport, 'lock',
 
253
                                                         lockdir.LockDir)
 
254
            if found_repository is None:
 
255
                found_repository = a_bzrdir.find_repository()
 
256
            return DummyForeignVcsBranch(_format=self,
 
257
                              _control_files=control_files,
 
258
                              a_bzrdir=a_bzrdir,
 
259
                              _repository=found_repository,
 
260
                              name=name)
 
261
        except errors.NoSuchFile:
 
262
            raise errors.NotBranchError(path=transport.base)
 
263
 
 
264
 
 
265
class DummyForeignVcsDirFormat(bzrdir.BzrDirMetaFormat1):
 
266
    """BzrDirFormat for the dummy foreign VCS."""
 
267
 
 
268
    @classmethod
 
269
    def get_format_string(cls):
 
270
        return "A Dummy VCS Dir"
 
271
 
 
272
    @classmethod
 
273
    def get_format_description(cls):
 
274
        return "A Dummy VCS Dir"
 
275
 
 
276
    @classmethod
 
277
    def is_supported(cls):
 
278
        return True
 
279
 
 
280
    def get_branch_format(self):
 
281
        return DummyForeignVcsBranchFormat()
 
282
 
 
283
    @property
 
284
    def repository_format(self):
 
285
        return DummyForeignVcsRepositoryFormat()
 
286
 
 
287
    def initialize_on_transport(self, transport):
 
288
        """Initialize a new bzrdir in the base directory of a Transport."""
 
289
        # Since we don't have a .bzr directory, inherit the
 
290
        # mode from the root directory
 
291
        temp_control = lockable_files.LockableFiles(transport,
 
292
                            '', lockable_files.TransportLock)
 
293
        temp_control._transport.mkdir('.dummy',
 
294
                                      # FIXME: RBC 20060121 don't peek under
 
295
                                      # the covers
 
296
                                      mode=temp_control._dir_mode)
 
297
        del temp_control
 
298
        bzrdir_transport = transport.clone('.dummy')
 
299
        # NB: no need to escape relative paths that are url safe.
 
300
        control_files = lockable_files.LockableFiles(bzrdir_transport,
 
301
            self._lock_file_name, self._lock_class)
 
302
        control_files.create_lock()
 
303
        return self.open(transport, _found=True)
 
304
 
 
305
    def _open(self, transport):
 
306
        return DummyForeignVcsDir(transport, self)
 
307
 
 
308
 
 
309
class DummyForeignVcsDir(bzrdir.BzrDirMeta1):
 
310
 
 
311
    def __init__(self, _transport, _format):
 
312
        self._format = _format
 
313
        self.transport = _transport.clone('.dummy')
 
314
        self.root_transport = _transport
 
315
        self._mode_check_done = False
 
316
        self._control_files = lockable_files.LockableFiles(self.transport,
 
317
            "lock", lockable_files.TransportLock)
 
318
 
 
319
    def create_workingtree(self):
 
320
        # dirstate requires a ".bzr" entry to exist
 
321
        self.root_transport.put_bytes(".bzr", "foo")
 
322
        return super(DummyForeignVcsDir, self).create_workingtree()
 
323
 
 
324
    def open_branch(self, name=None, unsupported=False, ignore_fallbacks=True,
 
325
                    possible_transports=None):
 
326
        if name is None:
 
327
            name = self._get_selected_branch()
 
328
        if name != "":
 
329
            raise errors.NoColocatedBranchSupport(self)
 
330
        return self._format.get_branch_format().open(self, _found=True)
 
331
 
 
332
    def cloning_metadir(self, stacked=False):
 
333
        """Produce a metadir suitable for cloning with."""
 
334
        return controldir.format_registry.make_bzrdir("default")
 
335
 
 
336
    def checkout_metadir(self):
 
337
        return self.cloning_metadir()
 
338
 
 
339
    def sprout(self, url, revision_id=None, force_new_repo=False,
 
340
               recurse='down', possible_transports=None,
 
341
               accelerator_tree=None, hardlink=False, stacked=False,
 
342
               source_branch=None):
 
343
        # dirstate doesn't cope with accelerator_trees well
 
344
        # that have a different control dir
 
345
        return super(DummyForeignVcsDir, self).sprout(
 
346
            url=url,
 
347
            revision_id=revision_id, force_new_repo=force_new_repo,
 
348
            recurse=recurse, possible_transports=possible_transports,
 
349
            hardlink=hardlink, stacked=stacked, source_branch=source_branch)
 
350
 
 
351
 
 
352
def register_dummy_foreign_for_test(testcase):
 
353
    controldir.ControlDirFormat.register_prober(DummyForeignProber)
 
354
    testcase.addCleanup(controldir.ControlDirFormat.unregister_prober,
 
355
                        DummyForeignProber)
 
356
    repository.format_registry.register(DummyForeignVcsRepositoryFormat())
 
357
    testcase.addCleanup(repository.format_registry.remove,
 
358
                        DummyForeignVcsRepositoryFormat())
 
359
    branch.format_registry.register(DummyForeignVcsBranchFormat())
 
360
    testcase.addCleanup(branch.format_registry.remove,
 
361
                        DummyForeignVcsBranchFormat())
 
362
    # We need to register the optimiser to make the dummy appears really
 
363
    # different from a regular bzr repository.
 
364
    branch.InterBranch.register_optimiser(InterToDummyVcsBranch)
 
365
    testcase.addCleanup(branch.InterBranch.unregister_optimiser,
 
366
                        InterToDummyVcsBranch)
 
367
 
 
368
 
 
369
class DummyForeignProber(controldir.Prober):
 
370
 
 
371
    @classmethod
 
372
    def probe_transport(klass, transport):
 
373
        """Return the .bzrdir style format present in a directory."""
 
374
        if not transport.has('.dummy'):
 
375
            raise errors.NotBranchError(path=transport.base)
 
376
        return DummyForeignVcsDirFormat()
 
377
 
 
378
    @classmethod
 
379
    def known_formats(cls):
 
380
        return {DummyForeignVcsDirFormat()}
 
381
 
 
382
 
 
383
class ForeignVcsRegistryTests(tests.TestCase):
 
384
    """Tests for the ForeignVcsRegistry class."""
 
385
 
 
386
    def test_parse_revision_id_no_dash(self):
 
387
        reg = foreign.ForeignVcsRegistry()
 
388
        self.assertRaises(errors.InvalidRevisionId,
 
389
                          reg.parse_revision_id, "invalid")
 
390
 
 
391
    def test_parse_revision_id_unknown_mapping(self):
 
392
        reg = foreign.ForeignVcsRegistry()
 
393
        self.assertRaises(errors.InvalidRevisionId,
 
394
                          reg.parse_revision_id, "unknown-foreignrevid")
 
395
 
 
396
    def test_parse_revision_id(self):
 
397
        reg = foreign.ForeignVcsRegistry()
 
398
        vcs = DummyForeignVcs()
 
399
        reg.register("dummy", vcs, "Dummy VCS")
 
400
        self.assertEqual((
 
401
            ("some", "foreign", "revid"), DummyForeignVcsMapping(vcs)),
 
402
            reg.parse_revision_id("dummy-v1:some-foreign-revid"))
 
403
 
 
404
 
 
405
class ForeignRevisionTests(tests.TestCase):
 
406
    """Tests for the ForeignRevision class."""
 
407
 
 
408
    def test_create(self):
 
409
        mapp = DummyForeignVcsMapping(DummyForeignVcs())
 
410
        rev = foreign.ForeignRevision(("a", "foreign", "revid"),
 
411
                                      mapp, "roundtripped-revid")
 
412
        self.assertEqual("", rev.inventory_sha1)
 
413
        self.assertEqual(("a", "foreign", "revid"), rev.foreign_revid)
 
414
        self.assertEqual(mapp, rev.mapping)
 
415
 
 
416
 
 
417
class WorkingTreeFileUpdateTests(tests.TestCaseWithTransport):
 
418
    """Tests for update_workingtree_fileids()."""
 
419
 
 
420
    def test_update_workingtree(self):
 
421
        wt = self.make_branch_and_tree('br1')
 
422
        self.build_tree_contents([('br1/bla', 'original contents\n')])
 
423
        wt.add('bla', 'bla-a')
 
424
        wt.commit('bla-a')
 
425
        root_id = wt.get_root_id()
 
426
        target = wt.bzrdir.sprout('br2').open_workingtree()
 
427
        target.unversion(['bla-a'])
 
428
        target.add('bla', 'bla-b')
 
429
        target.commit('bla-b')
 
430
        target_basis = target.basis_tree()
 
431
        target_basis.lock_read()
 
432
        self.addCleanup(target_basis.unlock)
 
433
        foreign.update_workingtree_fileids(wt, target_basis)
 
434
        wt.lock_read()
 
435
        try:
 
436
            self.assertEqual({root_id, "bla-b"}, set(wt.all_file_ids()))
 
437
        finally:
 
438
            wt.unlock()
 
439
 
 
440
 
 
441
class DummyForeignVcsTests(tests.TestCaseWithTransport):
 
442
    """Very basic test for DummyForeignVcs."""
 
443
 
 
444
    def setUp(self):
 
445
        super(DummyForeignVcsTests, self).setUp()
 
446
        register_dummy_foreign_for_test(self)
 
447
 
 
448
    def test_create(self):
 
449
        """Test we can create dummies."""
 
450
        self.make_branch_and_tree("d", format=DummyForeignVcsDirFormat())
 
451
        dir = controldir.ControlDir.open("d")
 
452
        self.assertEqual("A Dummy VCS Dir", dir._format.get_format_string())
 
453
        dir.open_repository()
 
454
        dir.open_branch()
 
455
        dir.open_workingtree()
 
456
 
 
457
    def test_sprout(self):
 
458
        """Test we can clone dummies and that the format is not preserved."""
 
459
        self.make_branch_and_tree("d", format=DummyForeignVcsDirFormat())
 
460
        dir = controldir.ControlDir.open("d")
 
461
        newdir = dir.sprout("e")
 
462
        self.assertNotEqual("A Dummy VCS Dir",
 
463
                            newdir._format.get_format_string())
 
464
 
 
465
    def test_push_not_supported(self):
 
466
        source_tree = self.make_branch_and_tree("source")
 
467
        target_tree = self.make_branch_and_tree(
 
468
            "target", format=DummyForeignVcsDirFormat())
 
469
        self.assertRaises(errors.NoRoundtrippingSupport,
 
470
                          source_tree.branch.push, target_tree.branch)
 
471
 
 
472
    def test_lossy_push_empty(self):
 
473
        source_tree = self.make_branch_and_tree("source")
 
474
        target_tree = self.make_branch_and_tree(
 
475
            "target", format=DummyForeignVcsDirFormat())
 
476
        pushresult = source_tree.branch.push(target_tree.branch, lossy=True)
 
477
        self.assertEqual(revision.NULL_REVISION, pushresult.old_revid)
 
478
        self.assertEqual(revision.NULL_REVISION, pushresult.new_revid)
 
479
        self.assertEqual({}, pushresult.revidmap)
 
480
 
 
481
    def test_lossy_push_simple(self):
 
482
        source_tree = self.make_branch_and_tree("source")
 
483
        self.build_tree(['source/a', 'source/b'])
 
484
        source_tree.add(['a', 'b'])
 
485
        revid1 = source_tree.commit("msg")
 
486
        target_tree = self.make_branch_and_tree(
 
487
            "target", format=DummyForeignVcsDirFormat())
 
488
        target_tree.branch.lock_write()
 
489
        try:
 
490
            pushresult = source_tree.branch.push(
 
491
                target_tree.branch, lossy=True)
 
492
        finally:
 
493
            target_tree.branch.unlock()
 
494
        self.assertEqual(revision.NULL_REVISION, pushresult.old_revid)
 
495
        self.assertEqual({revid1: target_tree.branch.last_revision()},
 
496
                         pushresult.revidmap)
 
497
        self.assertEqual(pushresult.revidmap[revid1], pushresult.new_revid)