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Merge bzr.dev, update to use new hooks.

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bzrlib/tests/test_foreign.py
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# Copyright (C) 2008, 2009, 2010 Canonical Ltd
 
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# Copyright (C) 2008-2011 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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    foreign,
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    lockable_files,
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    lockdir,
 
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    repository,
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    revision,
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    tests,
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    trace,
 
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    vf_repository,
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    )
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from bzrlib.repofmt import groupcompress_repo
 
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# This is the dummy foreign revision control system, used 
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# mainly here in the testsuite to test the foreign VCS infrastructure.
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# It is basically standard Bazaar with some minor modifications to 
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class DummyForeignVcsBranch(branch.BzrBranch6,foreign.ForeignBranch):
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    """A Dummy VCS Branch."""
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93
 
 
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    @property
 
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    def user_transport(self):
 
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        return self.bzrdir.user_transport
 
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    def __init__(self, _format, _control_files, a_bzrdir, *args, **kwargs):
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        self._format = _format
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        self._base = a_bzrdir.transport.base
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        self._ignore_fallbacks = False
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        self.bzrdir = a_bzrdir
95
 
        foreign.ForeignBranch.__init__(self, 
 
103
        foreign.ForeignBranch.__init__(self,
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            DummyForeignVcsMapping(DummyForeignVcs()))
97
 
        branch.BzrBranch6.__init__(self, _format, _control_files, a_bzrdir, 
 
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        branch.BzrBranch6.__init__(self, _format, _control_files, a_bzrdir,
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            *args, **kwargs)
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107
 
100
 
 
101
 
class InterToDummyVcsBranch(branch.GenericInterBranch,
102
 
                            foreign.InterToForeignBranch):
 
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    def _get_checkout_format(self, lightweight=False):
 
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        """Return the most suitable metadir for a checkout of this branch.
 
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        Weaves are used if this branch's repository uses weaves.
 
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        """
 
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        return self.bzrdir.checkout_metadir()
 
113
 
 
114
    def import_last_revision_info_and_tags(self, source, revno, revid,
 
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                                           lossy=False):
 
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        interbranch = InterToDummyVcsBranch(source, self)
 
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        result = interbranch.push(stop_revision=revid, lossy=True)
 
118
        if lossy:
 
119
            revid = result.revidmap[revid]
 
120
        return (revno, revid)
 
121
 
 
122
 
 
123
class DummyForeignCommitBuilder(vf_repository.VersionedFileRootCommitBuilder):
 
124
 
 
125
    def _generate_revision_if_needed(self):
 
126
        mapping = DummyForeignVcsMapping(DummyForeignVcs())
 
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        if self._lossy:
 
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            self._new_revision_id = mapping.revision_id_foreign_to_bzr(
 
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                (str(self._timestamp), str(self._timezone), "UNKNOWN"))
 
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            self.random_revid = False
 
131
        elif self._new_revision_id is not None:
 
132
            self.random_revid = False
 
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        else:
 
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            self._new_revision_id = self._gen_revision_id()
 
135
            self.random_revid = True
 
136
 
 
137
 
 
138
class DummyForeignVcsRepository(groupcompress_repo.CHKInventoryRepository,
 
139
    foreign.ForeignRepository):
 
140
    """Dummy foreign vcs repository."""
 
141
 
 
142
 
 
143
class DummyForeignVcsRepositoryFormat(groupcompress_repo.RepositoryFormat2a):
 
144
 
 
145
    repository_class = DummyForeignVcsRepository
 
146
    _commit_builder_class = DummyForeignCommitBuilder
 
147
 
 
148
    @classmethod
 
149
    def get_format_string(cls):
 
150
        return "Dummy Foreign Vcs Repository"
 
151
 
 
152
    def get_format_description(self):
 
153
        return "Dummy Foreign Vcs Repository"
 
154
 
 
155
 
 
156
def branch_history(graph, revid):
 
157
    ret = list(graph.iter_lefthand_ancestry(revid,
 
158
        (revision.NULL_REVISION,)))
 
159
    ret.reverse()
 
160
    return ret
 
161
 
 
162
 
 
163
class InterToDummyVcsBranch(branch.GenericInterBranch):
103
164
 
104
165
    @staticmethod
105
166
    def is_compatible(source, target):
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        return isinstance(target, DummyForeignVcsBranch)
107
168
 
108
 
    def push(self, overwrite=False, stop_revision=None):
109
 
        raise errors.NoRoundtrippingSupport(self.source, self.target)
110
 
 
111
 
    def lossy_push(self, stop_revision=None):
 
169
    def push(self, overwrite=False, stop_revision=None, lossy=False):
 
170
        if not lossy:
 
171
            raise errors.NoRoundtrippingSupport(self.source, self.target)
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172
        result = branch.BranchPushResult()
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173
        result.source_branch = self.source
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174
        result.target_branch = self.target
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175
        result.old_revno, result.old_revid = self.target.last_revision_info()
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176
        self.source.lock_read()
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177
        try:
 
178
            graph = self.source.repository.get_graph()
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179
            # This just handles simple cases, but that's good enough for tests
119
 
            my_history = self.target.revision_history()
120
 
            their_history = self.source.revision_history()
 
180
            my_history = branch_history(self.target.repository.get_graph(),
 
181
                result.old_revid)
 
182
            if stop_revision is None:
 
183
                stop_revision = self.source.last_revision()
 
184
            their_history = branch_history(graph, stop_revision)
121
185
            if their_history[:min(len(my_history), len(their_history))] != my_history:
122
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                raise errors.DivergedBranches(self.target, self.source)
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            todo = their_history[len(my_history):]
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193
                    return (tree.get_file(file_id), None)
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194
                tree.get_file_with_stat = get_file_with_stat
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195
                new_revid = self.target.mapping.revision_id_foreign_to_bzr(
132
 
                    (str(rev.timestamp), str(rev.timezone), 
 
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                    (str(rev.timestamp), str(rev.timezone),
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197
                        str(self.target.revno())))
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198
                parent_revno, parent_revid= self.target.last_revision_info()
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                if parent_revid == revision.NULL_REVISION:
166
230
 
167
231
class DummyForeignVcsBranchFormat(branch.BzrBranchFormat6):
168
232
 
169
 
    def get_format_string(self):
 
233
    @classmethod
 
234
    def get_format_string(cls):
170
235
        return "Branch for Testing"
171
236
 
172
 
    def __init__(self):
173
 
        super(DummyForeignVcsBranchFormat, self).__init__()
174
 
        self._matchingbzrdir = DummyForeignVcsDirFormat()
 
237
    @property
 
238
    def _matchingbzrdir(self):
 
239
        return DummyForeignVcsDirFormat()
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240
 
176
 
    def open(self, a_bzrdir, name=None, _found=False):
 
241
    def open(self, a_bzrdir, name=None, _found=False, ignore_fallbacks=False,
 
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            found_repository=None):
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        if not _found:
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            raise NotImplementedError
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        try:
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            transport = a_bzrdir.get_branch_transport(None, name=name)
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            control_files = lockable_files.LockableFiles(transport, 'lock',
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                                                         lockdir.LockDir)
 
249
            if found_repository is None:
 
250
                found_repository = a_bzrdir.find_repository()
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            return DummyForeignVcsBranch(_format=self,
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                              _control_files=control_files,
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                              a_bzrdir=a_bzrdir,
186
 
                              _repository=a_bzrdir.find_repository())
 
254
                              _repository=found_repository)
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        except errors.NoSuchFile:
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            raise errors.NotBranchError(path=transport.base)
189
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206
274
    def get_branch_format(self):
207
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        return DummyForeignVcsBranchFormat()
208
276
 
 
277
    @property
 
278
    def repository_format(self):
 
279
        return DummyForeignVcsRepositoryFormat()
 
280
 
209
281
    def initialize_on_transport(self, transport):
210
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        """Initialize a new bzrdir in the base directory of a Transport."""
211
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        # Since we don't have a .bzr directory, inherit the
238
310
        self._control_files = lockable_files.LockableFiles(self.transport,
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            "lock", lockable_files.TransportLock)
240
312
 
241
 
    def open_branch(self, name=None, unsupported=False, ignore_fallbacks=True):
 
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()
 
317
 
 
318
    def open_branch(self, name=None, unsupported=False, ignore_fallbacks=True,
 
319
            possible_transports=None):
242
320
        if name is not None:
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            raise errors.NoColocatedBranchSupport(self)
244
322
        return self._format.get_branch_format().open(self, _found=True)
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325
        """Produce a metadir suitable for cloning with."""
248
326
        return bzrdir.format_registry.make_bzrdir("default")
249
327
 
 
328
    def checkout_metadir(self):
 
329
        return self.cloning_metadir()
 
330
 
250
331
    def sprout(self, url, revision_id=None, force_new_repo=False,
251
332
               recurse='down', possible_transports=None,
252
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               accelerator_tree=None, hardlink=False, stacked=False,
260
341
 
261
342
 
262
343
def register_dummy_foreign_for_test(testcase):
263
 
    controldir.ControlDirFormat.register_format(DummyForeignVcsDirFormat)
264
 
    testcase.addCleanup(controldir.ControlDirFormat.unregister_format,
265
 
                        DummyForeignVcsDirFormat)
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344
    controldir.ControlDirFormat.register_prober(DummyForeignProber)
267
345
    testcase.addCleanup(controldir.ControlDirFormat.unregister_prober,
268
346
        DummyForeignProber)
 
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())
269
353
    # We need to register the optimiser to make the dummy appears really
270
354
    # different from a regular bzr repository.
271
355
    branch.InterBranch.register_optimiser(InterToDummyVcsBranch)
282
366
            raise errors.NotBranchError(path=transport.base)
283
367
        return DummyForeignVcsDirFormat()
284
368
 
 
369
    @classmethod
 
370
    def known_formats(cls):
 
371
        return set([DummyForeignVcsDirFormat()])
 
372
 
285
373
 
286
374
class ForeignVcsRegistryTests(tests.TestCase):
287
375
    """Tests for the ForeignVcsRegistry class."""
300
388
        reg = foreign.ForeignVcsRegistry()
301
389
        vcs = DummyForeignVcs()
302
390
        reg.register("dummy", vcs, "Dummy VCS")
303
 
        self.assertEquals((("some", "foreign", "revid"), DummyForeignVcsMapping(vcs)),
304
 
                          reg.parse_revision_id("dummy-v1:some-foreign-revid"))
 
391
        self.assertEquals((
 
392
            ("some", "foreign", "revid"), DummyForeignVcsMapping(vcs)),
 
393
            reg.parse_revision_id("dummy-v1:some-foreign-revid"))
305
394
 
306
395
 
307
396
class ForeignRevisionTests(tests.TestCase):
375
464
        source_tree = self.make_branch_and_tree("source")
376
465
        target_tree = self.make_branch_and_tree("target", 
377
466
            format=DummyForeignVcsDirFormat())
378
 
        pushresult = source_tree.branch.lossy_push(target_tree.branch)
 
467
        pushresult = source_tree.branch.push(target_tree.branch, lossy=True)
379
468
        self.assertEquals(revision.NULL_REVISION, pushresult.old_revid)
380
469
        self.assertEquals(revision.NULL_REVISION, pushresult.new_revid)
381
470
        self.assertEquals({}, pushresult.revidmap)
389
478
            format=DummyForeignVcsDirFormat())
390
479
        target_tree.branch.lock_write()
391
480
        try:
392
 
            pushresult = source_tree.branch.lossy_push(target_tree.branch)
 
481
            pushresult = source_tree.branch.push(
 
482
                target_tree.branch, lossy=True)
393
483
        finally:
394
484
            target_tree.branch.unlock()
395
485
        self.assertEquals(revision.NULL_REVISION, pushresult.old_revid)