1
# Copyright (C) 2008-2011 Canonical Ltd
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.
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.
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
18
"""Tests for foreign VCS utility code."""
36
from bzrlib.repofmt import groupcompress_repo
38
# This is the dummy foreign revision control system, used
39
# mainly here in the testsuite to test the foreign VCS infrastructure.
40
# It is basically standard Bazaar with some minor modifications to
43
# It has the following differences to "regular" Bazaar:
44
# - The control directory is named ".dummy", not ".bzr".
45
# - The revision ids are tuples, not strings.
46
# - Doesn't support more than one parent natively
49
class DummyForeignVcsMapping(foreign.VcsMapping):
50
"""A simple mapping for the dummy Foreign VCS, for use with testing."""
52
def __eq__(self, other):
53
return type(self) == type(other)
55
def revision_id_bzr_to_foreign(self, bzr_revid):
56
return tuple(bzr_revid[len("dummy-v1:"):].split("-")), self
58
def revision_id_foreign_to_bzr(self, foreign_revid):
59
return "dummy-v1:%s-%s-%s" % foreign_revid
62
class DummyForeignVcsMappingRegistry(foreign.VcsMappingRegistry):
64
def revision_id_bzr_to_foreign(self, revid):
65
if not revid.startswith("dummy-"):
66
raise errors.InvalidRevisionId(revid, None)
67
mapping_version = revid[len("dummy-"):len("dummy-vx")]
68
mapping = self.get(mapping_version)
69
return mapping.revision_id_bzr_to_foreign(revid)
72
class DummyForeignVcs(foreign.ForeignVcs):
73
"""A dummy Foreign VCS, for use with testing.
75
It has revision ids that are a tuple with three strings.
79
self.mapping_registry = DummyForeignVcsMappingRegistry()
80
self.mapping_registry.register("v1", DummyForeignVcsMapping(self),
82
self.abbreviation = "dummy"
84
def show_foreign_revid(self, foreign_revid):
85
return { "dummy ding": "%s/%s\\%s" % foreign_revid }
87
def serialize_foreign_revid(self, foreign_revid):
88
return "%s|%s|%s" % foreign_revid
91
class DummyForeignVcsBranch(branch.BzrBranch6,foreign.ForeignBranch):
92
"""A Dummy VCS Branch."""
95
def user_transport(self):
96
return self.bzrdir.user_transport
98
def __init__(self, _format, _control_files, a_bzrdir, *args, **kwargs):
99
self._format = _format
100
self._base = a_bzrdir.transport.base
101
self._ignore_fallbacks = False
102
self.bzrdir = a_bzrdir
103
foreign.ForeignBranch.__init__(self,
104
DummyForeignVcsMapping(DummyForeignVcs()))
105
branch.BzrBranch6.__init__(self, _format, _control_files, a_bzrdir,
108
def _get_checkout_format(self, lightweight=False):
109
"""Return the most suitable metadir for a checkout of this branch.
110
Weaves are used if this branch's repository uses weaves.
112
return self.bzrdir.checkout_metadir()
114
def import_last_revision_info_and_tags(self, source, revno, revid,
116
interbranch = InterToDummyVcsBranch(source, self)
117
result = interbranch.push(stop_revision=revid, lossy=True)
119
revid = result.revidmap[revid]
120
return (revno, revid)
123
class DummyForeignCommitBuilder(vf_repository.VersionedFileRootCommitBuilder):
125
def _generate_revision_if_needed(self):
126
mapping = DummyForeignVcsMapping(DummyForeignVcs())
128
self._new_revision_id = mapping.revision_id_foreign_to_bzr(
129
(str(self._timestamp), str(self._timezone), "UNKNOWN"))
130
self.random_revid = False
131
elif self._new_revision_id is not None:
132
self.random_revid = False
134
self._new_revision_id = self._gen_revision_id()
135
self.random_revid = True
138
class DummyForeignVcsRepository(groupcompress_repo.CHKInventoryRepository,
139
foreign.ForeignRepository):
140
"""Dummy foreign vcs repository."""
143
class DummyForeignVcsRepositoryFormat(groupcompress_repo.RepositoryFormat2a):
145
repository_class = DummyForeignVcsRepository
146
_commit_builder_class = DummyForeignCommitBuilder
149
def get_format_string(cls):
150
return "Dummy Foreign Vcs Repository"
152
def get_format_description(self):
153
return "Dummy Foreign Vcs Repository"
156
def branch_history(graph, revid):
157
ret = list(graph.iter_lefthand_ancestry(revid,
158
(revision.NULL_REVISION,)))
163
class InterToDummyVcsBranch(branch.GenericInterBranch):
166
def is_compatible(source, target):
167
return isinstance(target, DummyForeignVcsBranch)
169
def push(self, overwrite=False, stop_revision=None, lossy=False):
171
raise errors.NoRoundtrippingSupport(self.source, self.target)
172
result = branch.BranchPushResult()
173
result.source_branch = self.source
174
result.target_branch = self.target
175
result.old_revno, result.old_revid = self.target.last_revision_info()
176
self.source.lock_read()
178
graph = self.source.repository.get_graph()
179
# This just handles simple cases, but that's good enough for tests
180
my_history = branch_history(self.target.repository.get_graph(),
182
if stop_revision is None:
183
stop_revision = self.source.last_revision()
184
their_history = branch_history(graph, stop_revision)
185
if their_history[:min(len(my_history), len(their_history))] != my_history:
186
raise errors.DivergedBranches(self.target, self.source)
187
todo = their_history[len(my_history):]
190
rev = self.source.repository.get_revision(revid)
191
tree = self.source.repository.revision_tree(revid)
192
def get_file_with_stat(file_id, path=None):
193
return (tree.get_file(file_id), None)
194
tree.get_file_with_stat = get_file_with_stat
195
new_revid = self.target.mapping.revision_id_foreign_to_bzr(
196
(str(rev.timestamp), str(rev.timezone),
197
str(self.target.revno())))
198
parent_revno, parent_revid= self.target.last_revision_info()
199
if parent_revid == revision.NULL_REVISION:
202
parent_revids = [parent_revid]
203
builder = self.target.get_commit_builder(parent_revids,
204
self.target.get_config_stack(), rev.timestamp,
205
rev.timezone, rev.committer, rev.properties,
208
for path, ie in tree.inventory.iter_entries():
210
new_ie.revision = None
211
builder.record_entry_contents(new_ie,
212
[self.target.repository.revision_tree(parent_revid).inventory],
214
(ie.kind, ie.text_size, ie.executable, ie.text_sha1))
215
builder.finish_inventory()
219
revidmap[revid] = builder.commit(rev.message)
220
self.target.set_last_revision_info(parent_revno+1,
222
trace.mutter('lossily pushed revision %s -> %s',
223
revid, revidmap[revid])
226
result.new_revno, result.new_revid = self.target.last_revision_info()
227
result.revidmap = revidmap
231
class DummyForeignVcsBranchFormat(branch.BzrBranchFormat6):
234
def get_format_string(cls):
235
return "Branch for Testing"
238
def _matchingbzrdir(self):
239
return DummyForeignVcsDirFormat()
241
def open(self, a_bzrdir, name=None, _found=False, ignore_fallbacks=False,
242
found_repository=None):
244
raise NotImplementedError
246
transport = a_bzrdir.get_branch_transport(None, name=name)
247
control_files = lockable_files.LockableFiles(transport, 'lock',
249
if found_repository is None:
250
found_repository = a_bzrdir.find_repository()
251
return DummyForeignVcsBranch(_format=self,
252
_control_files=control_files,
254
_repository=found_repository)
255
except errors.NoSuchFile:
256
raise errors.NotBranchError(path=transport.base)
259
class DummyForeignVcsDirFormat(bzrdir.BzrDirMetaFormat1):
260
"""BzrDirFormat for the dummy foreign VCS."""
263
def get_format_string(cls):
264
return "A Dummy VCS Dir"
267
def get_format_description(cls):
268
return "A Dummy VCS Dir"
271
def is_supported(cls):
274
def get_branch_format(self):
275
return DummyForeignVcsBranchFormat()
278
def repository_format(self):
279
return DummyForeignVcsRepositoryFormat()
281
def initialize_on_transport(self, transport):
282
"""Initialize a new bzrdir in the base directory of a Transport."""
283
# Since we don't have a .bzr directory, inherit the
284
# mode from the root directory
285
temp_control = lockable_files.LockableFiles(transport,
286
'', lockable_files.TransportLock)
287
temp_control._transport.mkdir('.dummy',
288
# FIXME: RBC 20060121 don't peek under
290
mode=temp_control._dir_mode)
292
bzrdir_transport = transport.clone('.dummy')
293
# NB: no need to escape relative paths that are url safe.
294
control_files = lockable_files.LockableFiles(bzrdir_transport,
295
self._lock_file_name, self._lock_class)
296
control_files.create_lock()
297
return self.open(transport, _found=True)
299
def _open(self, transport):
300
return DummyForeignVcsDir(transport, self)
303
class DummyForeignVcsDir(bzrdir.BzrDirMeta1):
305
def __init__(self, _transport, _format):
306
self._format = _format
307
self.transport = _transport.clone('.dummy')
308
self.root_transport = _transport
309
self._mode_check_done = False
310
self._control_files = lockable_files.LockableFiles(self.transport,
311
"lock", lockable_files.TransportLock)
313
def create_workingtree(self):
314
# dirstate requires a ".bzr" entry to exist
315
self.root_transport.put_bytes(".bzr", "foo")
316
return super(DummyForeignVcsDir, self).create_workingtree()
318
def open_branch(self, name=None, unsupported=False, ignore_fallbacks=True,
319
possible_transports=None):
321
raise errors.NoColocatedBranchSupport(self)
322
return self._format.get_branch_format().open(self, _found=True)
324
def cloning_metadir(self, stacked=False):
325
"""Produce a metadir suitable for cloning with."""
326
return bzrdir.format_registry.make_bzrdir("default")
328
def checkout_metadir(self):
329
return self.cloning_metadir()
331
def sprout(self, url, revision_id=None, force_new_repo=False,
332
recurse='down', possible_transports=None,
333
accelerator_tree=None, hardlink=False, stacked=False,
335
# dirstate doesn't cope with accelerator_trees well
336
# that have a different control dir
337
return super(DummyForeignVcsDir, self).sprout(url=url,
338
revision_id=revision_id, force_new_repo=force_new_repo,
339
recurse=recurse, possible_transports=possible_transports,
340
hardlink=hardlink, stacked=stacked, source_branch=source_branch)
343
def register_dummy_foreign_for_test(testcase):
344
controldir.ControlDirFormat.register_prober(DummyForeignProber)
345
testcase.addCleanup(controldir.ControlDirFormat.unregister_prober,
347
repository.format_registry.register(DummyForeignVcsRepositoryFormat())
348
testcase.addCleanup(repository.format_registry.remove,
349
DummyForeignVcsRepositoryFormat())
350
branch.format_registry.register(DummyForeignVcsBranchFormat())
351
testcase.addCleanup(branch.format_registry.remove,
352
DummyForeignVcsBranchFormat())
353
# We need to register the optimiser to make the dummy appears really
354
# different from a regular bzr repository.
355
branch.InterBranch.register_optimiser(InterToDummyVcsBranch)
356
testcase.addCleanup(branch.InterBranch.unregister_optimiser,
357
InterToDummyVcsBranch)
360
class DummyForeignProber(controldir.Prober):
363
def probe_transport(klass, transport):
364
"""Return the .bzrdir style format present in a directory."""
365
if not transport.has('.dummy'):
366
raise errors.NotBranchError(path=transport.base)
367
return DummyForeignVcsDirFormat()
370
def known_formats(cls):
371
return set([DummyForeignVcsDirFormat()])
374
class ForeignVcsRegistryTests(tests.TestCase):
375
"""Tests for the ForeignVcsRegistry class."""
377
def test_parse_revision_id_no_dash(self):
378
reg = foreign.ForeignVcsRegistry()
379
self.assertRaises(errors.InvalidRevisionId,
380
reg.parse_revision_id, "invalid")
382
def test_parse_revision_id_unknown_mapping(self):
383
reg = foreign.ForeignVcsRegistry()
384
self.assertRaises(errors.InvalidRevisionId,
385
reg.parse_revision_id, "unknown-foreignrevid")
387
def test_parse_revision_id(self):
388
reg = foreign.ForeignVcsRegistry()
389
vcs = DummyForeignVcs()
390
reg.register("dummy", vcs, "Dummy VCS")
392
("some", "foreign", "revid"), DummyForeignVcsMapping(vcs)),
393
reg.parse_revision_id("dummy-v1:some-foreign-revid"))
396
class ForeignRevisionTests(tests.TestCase):
397
"""Tests for the ForeignRevision class."""
399
def test_create(self):
400
mapp = DummyForeignVcsMapping(DummyForeignVcs())
401
rev = foreign.ForeignRevision(("a", "foreign", "revid"),
402
mapp, "roundtripped-revid")
403
self.assertEquals("", rev.inventory_sha1)
404
self.assertEquals(("a", "foreign", "revid"), rev.foreign_revid)
405
self.assertEquals(mapp, rev.mapping)
408
class WorkingTreeFileUpdateTests(tests.TestCaseWithTransport):
409
"""Tests for update_workingtree_fileids()."""
411
def test_update_workingtree(self):
412
wt = self.make_branch_and_tree('br1')
413
self.build_tree_contents([('br1/bla', 'original contents\n')])
414
wt.add('bla', 'bla-a')
416
root_id = wt.get_root_id()
417
target = wt.bzrdir.sprout('br2').open_workingtree()
418
target.unversion(['bla-a'])
419
target.add('bla', 'bla-b')
420
target.commit('bla-b')
421
target_basis = target.basis_tree()
422
target_basis.lock_read()
423
self.addCleanup(target_basis.unlock)
424
foreign.update_workingtree_fileids(wt, target_basis)
427
self.assertEquals(set([root_id, "bla-b"]), set(wt.inventory))
432
class DummyForeignVcsTests(tests.TestCaseWithTransport):
433
"""Very basic test for DummyForeignVcs."""
436
super(DummyForeignVcsTests, self).setUp()
437
register_dummy_foreign_for_test(self)
439
def test_create(self):
440
"""Test we can create dummies."""
441
self.make_branch_and_tree("d", format=DummyForeignVcsDirFormat())
442
dir = bzrdir.BzrDir.open("d")
443
self.assertEquals("A Dummy VCS Dir", dir._format.get_format_string())
444
dir.open_repository()
446
dir.open_workingtree()
448
def test_sprout(self):
449
"""Test we can clone dummies and that the format is not preserved."""
450
self.make_branch_and_tree("d", format=DummyForeignVcsDirFormat())
451
dir = bzrdir.BzrDir.open("d")
452
newdir = dir.sprout("e")
453
self.assertNotEquals("A Dummy VCS Dir",
454
newdir._format.get_format_string())
456
def test_push_not_supported(self):
457
source_tree = self.make_branch_and_tree("source")
458
target_tree = self.make_branch_and_tree("target",
459
format=DummyForeignVcsDirFormat())
460
self.assertRaises(errors.NoRoundtrippingSupport,
461
source_tree.branch.push, target_tree.branch)
463
def test_lossy_push_empty(self):
464
source_tree = self.make_branch_and_tree("source")
465
target_tree = self.make_branch_and_tree("target",
466
format=DummyForeignVcsDirFormat())
467
pushresult = source_tree.branch.push(target_tree.branch, lossy=True)
468
self.assertEquals(revision.NULL_REVISION, pushresult.old_revid)
469
self.assertEquals(revision.NULL_REVISION, pushresult.new_revid)
470
self.assertEquals({}, pushresult.revidmap)
472
def test_lossy_push_simple(self):
473
source_tree = self.make_branch_and_tree("source")
474
self.build_tree(['source/a', 'source/b'])
475
source_tree.add(['a', 'b'])
476
revid1 = source_tree.commit("msg")
477
target_tree = self.make_branch_and_tree("target",
478
format=DummyForeignVcsDirFormat())
479
target_tree.branch.lock_write()
481
pushresult = source_tree.branch.push(
482
target_tree.branch, lossy=True)
484
target_tree.branch.unlock()
485
self.assertEquals(revision.NULL_REVISION, pushresult.old_revid)
486
self.assertEquals({revid1:target_tree.branch.last_revision()},
488
self.assertEquals(pushresult.revidmap[revid1], pushresult.new_revid)