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  • Committer: Canonical.com Patch Queue Manager
  • Date: 2009-04-09 20:23:07 UTC
  • mfrom: (4265.1.4 bbc-merge)
  • Revision ID: pqm@pqm.ubuntu.com-20090409202307-n0depb16qepoe21o
(jam) Change _fetch_uses_deltas = False for CHK repos until we can
        write a better fix.

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"""Tests for foreign VCS utility code."""
19
19
 
20
 
 
21
 
from bzrlib import (
22
 
    branch,
23
 
    errors,
24
 
    foreign,
25
 
    lockable_files,
26
 
    lockdir,
27
 
    trace,
28
 
    )
29
 
from bzrlib.bzrdir import (
30
 
    BzrDir,
31
 
    BzrDirFormat,
32
 
    BzrDirMeta1,
33
 
    BzrDirMetaFormat1,
34
 
    format_registry,
35
 
    )
36
 
from bzrlib.inventory import Inventory
37
 
from bzrlib.revision import (
38
 
    NULL_REVISION,
39
 
    Revision,
40
 
    )
41
 
from bzrlib.tests import (
42
 
    TestCase,
43
 
    TestCaseWithTransport,
44
 
    )
45
 
 
46
 
# This is the dummy foreign revision control system, used 
47
 
# mainly here in the testsuite to test the foreign VCS infrastructure.
48
 
# It is basically standard Bazaar with some minor modifications to 
49
 
# make it "foreign". 
50
 
51
 
# It has the following differences to "regular" Bazaar:
52
 
# - The control directory is named ".dummy", not ".bzr".
53
 
# - The revision ids are tuples, not strings.
54
 
# - Doesn't support more than one parent natively
 
20
from bzrlib import errors, foreign
 
21
from bzrlib.revision import Revision
 
22
from bzrlib.tests import TestCase
55
23
 
56
24
 
57
25
class DummyForeignVcsMapping(foreign.VcsMapping):
92
60
        return { "dummy ding": "%s/%s\\%s" % foreign_revid }
93
61
 
94
62
 
95
 
class DummyForeignVcsBranch(branch.BzrBranch6,foreign.ForeignBranch):
96
 
    """A Dummy VCS Branch."""
97
 
 
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
 
        foreign.ForeignBranch.__init__(self, 
103
 
            DummyForeignVcsMapping(DummyForeignVcs()))
104
 
        branch.BzrBranch6.__init__(self, _format, _control_files, a_bzrdir, 
105
 
            *args, **kwargs)
106
 
 
107
 
 
108
 
class InterToDummyVcsBranch(branch.GenericInterBranch,
109
 
                            foreign.InterToForeignBranch):
110
 
 
111
 
    @staticmethod
112
 
    def is_compatible(source, target):
113
 
        return isinstance(target, DummyForeignVcsBranch)
114
 
 
115
 
    def lossy_push(self, stop_revision=None):
116
 
        result = branch.BranchPushResult()
117
 
        result.source_branch = self.source
118
 
        result.target_branch = self.target
119
 
        result.old_revno, result.old_revid = self.target.last_revision_info()
120
 
        self.source.lock_read()
121
 
        try:
122
 
            # This just handles simple cases, but that's good enough for tests
123
 
            my_history = self.target.revision_history()
124
 
            their_history = self.source.revision_history()
125
 
            if their_history[:min(len(my_history), len(their_history))] != my_history:
126
 
                raise errors.DivergedBranches(self.target, self.source)
127
 
            todo = their_history[len(my_history):]
128
 
            revidmap = {}
129
 
            for revid in todo:
130
 
                rev = self.source.repository.get_revision(revid)
131
 
                tree = self.source.repository.revision_tree(revid)
132
 
                def get_file_with_stat(file_id, path=None):
133
 
                    return (tree.get_file(file_id), None)
134
 
                tree.get_file_with_stat = get_file_with_stat
135
 
                new_revid = self.target.mapping.revision_id_foreign_to_bzr(
136
 
                    (str(rev.timestamp), str(rev.timezone), 
137
 
                        str(self.target.revno())))
138
 
                parent_revno, parent_revid= self.target.last_revision_info()
139
 
                if parent_revid == NULL_REVISION:
140
 
                    parent_revids = []
141
 
                else:
142
 
                    parent_revids = [parent_revid]
143
 
                builder = self.target.get_commit_builder(parent_revids, 
144
 
                        self.target.get_config(), rev.timestamp,
145
 
                        rev.timezone, rev.committer, rev.properties,
146
 
                        new_revid)
147
 
                try:
148
 
                    for path, ie in tree.inventory.iter_entries():
149
 
                        new_ie = ie.copy()
150
 
                        new_ie.revision = None
151
 
                        builder.record_entry_contents(new_ie, 
152
 
                            [self.target.repository.revision_tree(parent_revid).inventory],
153
 
                            path, tree, 
154
 
                            (ie.kind, ie.text_size, ie.executable, ie.text_sha1))
155
 
                    builder.finish_inventory()
156
 
                except:
157
 
                    builder.abort()
158
 
                    raise
159
 
                revidmap[revid] = builder.commit(rev.message)
160
 
                self.target.set_last_revision_info(parent_revno+1, 
161
 
                    revidmap[revid])
162
 
                trace.mutter('lossily pushed revision %s -> %s', 
163
 
                    revid, revidmap[revid])
164
 
        finally:
165
 
            self.source.unlock()
166
 
        result.new_revno, result.new_revid = self.target.last_revision_info()
167
 
        result.revidmap = revidmap
168
 
        return result
169
 
 
170
 
 
171
 
class DummyForeignVcsBranchFormat(branch.BzrBranchFormat6):
172
 
 
173
 
    def get_format_string(self):
174
 
        return "Branch for Testing"
175
 
 
176
 
    def __init__(self):
177
 
        super(DummyForeignVcsBranchFormat, self).__init__()
178
 
        self._matchingbzrdir = DummyForeignVcsDirFormat()
179
 
 
180
 
    def open(self, a_bzrdir, _found=False):
181
 
        if not _found:
182
 
            raise NotImplementedError
183
 
        try:
184
 
            transport = a_bzrdir.get_branch_transport(None)
185
 
            control_files = lockable_files.LockableFiles(transport, 'lock',
186
 
                                                         lockdir.LockDir)
187
 
            return DummyForeignVcsBranch(_format=self,
188
 
                              _control_files=control_files,
189
 
                              a_bzrdir=a_bzrdir,
190
 
                              _repository=a_bzrdir.find_repository())
191
 
        except errors.NoSuchFile:
192
 
            raise errors.NotBranchError(path=transport.base)
193
 
 
194
 
 
195
 
class DummyForeignVcsDirFormat(BzrDirMetaFormat1):
196
 
    """BzrDirFormat for the dummy foreign VCS."""
197
 
 
198
 
    @classmethod
199
 
    def get_format_string(cls):
200
 
        return "A Dummy VCS Dir"
201
 
 
202
 
    @classmethod
203
 
    def get_format_description(cls):
204
 
        return "A Dummy VCS Dir"
205
 
 
206
 
    @classmethod
207
 
    def is_supported(cls):
208
 
        return True
209
 
 
210
 
    def get_branch_format(self):
211
 
        return DummyForeignVcsBranchFormat()
212
 
 
213
 
    @classmethod
214
 
    def probe_transport(klass, transport):
215
 
        """Return the .bzrdir style format present in a directory."""
216
 
        if not transport.has('.dummy'):
217
 
            raise errors.NotBranchError(path=transport.base)
218
 
        return klass()
219
 
 
220
 
    def initialize_on_transport(self, transport):
221
 
        """Initialize a new bzrdir in the base directory of a Transport."""
222
 
        # Since we don't have a .bzr directory, inherit the
223
 
        # mode from the root directory
224
 
        temp_control = lockable_files.LockableFiles(transport,
225
 
                            '', lockable_files.TransportLock)
226
 
        temp_control._transport.mkdir('.dummy',
227
 
                                      # FIXME: RBC 20060121 don't peek under
228
 
                                      # the covers
229
 
                                      mode=temp_control._dir_mode)
230
 
        del temp_control
231
 
        bzrdir_transport = transport.clone('.dummy')
232
 
        # NB: no need to escape relative paths that are url safe.
233
 
        control_files = lockable_files.LockableFiles(bzrdir_transport,
234
 
            self._lock_file_name, self._lock_class)
235
 
        control_files.create_lock()
236
 
        return self.open(transport, _found=True)
237
 
 
238
 
    def _open(self, transport):
239
 
        return DummyForeignVcsDir(transport, self)
240
 
 
241
 
 
242
 
class DummyForeignVcsDir(BzrDirMeta1):
243
 
 
244
 
    def __init__(self, _transport, _format):
245
 
        self._format = _format
246
 
        self.transport = _transport.clone('.dummy')
247
 
        self.root_transport = _transport
248
 
        self._mode_check_done = False
249
 
        self._control_files = lockable_files.LockableFiles(self.transport,
250
 
            "lock", lockable_files.TransportLock)
251
 
 
252
 
    def open_branch(self, ignore_fallbacks=True):
253
 
        return self._format.get_branch_format().open(self, _found=True)
254
 
 
255
 
    def cloning_metadir(self, stacked=False):
256
 
        """Produce a metadir suitable for cloning with."""
257
 
        return format_registry.make_bzrdir("default")
258
 
 
259
 
    def sprout(self, url, revision_id=None, force_new_repo=False,
260
 
               recurse='down', possible_transports=None,
261
 
               accelerator_tree=None, hardlink=False, stacked=False,
262
 
               source_branch=None):
263
 
        # dirstate doesn't cope with accelerator_trees well 
264
 
        # that have a different control dir
265
 
        return super(DummyForeignVcsDir, self).sprout(url=url, 
266
 
                revision_id=revision_id, force_new_repo=force_new_repo, 
267
 
                recurse=recurse, possible_transports=possible_transports, 
268
 
                hardlink=hardlink, stacked=stacked, source_branch=source_branch)
269
 
 
270
63
 
271
64
class ForeignVcsRegistryTests(TestCase):
272
 
    """Tests for the ForeignVcsRegistry class."""
273
65
 
274
66
    def test_parse_revision_id_no_dash(self):
275
67
        reg = foreign.ForeignVcsRegistry()
301
93
        self.assertEquals(mapp, rev.mapping)
302
94
 
303
95
 
304
 
class WorkingTreeFileUpdateTests(TestCaseWithTransport):
305
 
    """Tests for update_workingtree_fileids()."""
306
 
 
307
 
    def test_update_workingtree(self):
308
 
        wt = self.make_branch_and_tree('br1')
309
 
        self.build_tree_contents([('br1/bla', 'original contents\n')])
310
 
        wt.add('bla', 'bla-a')
311
 
        wt.commit('bla-a')
312
 
        root_id = wt.get_root_id()
313
 
        target = wt.bzrdir.sprout('br2').open_workingtree()
314
 
        target.unversion(['bla-a'])
315
 
        target.add('bla', 'bla-b')
316
 
        target.commit('bla-b')
317
 
        target_basis = target.basis_tree()
318
 
        target_basis.lock_read()
319
 
        self.addCleanup(target_basis.unlock)
320
 
        foreign.update_workingtree_fileids(wt, target_basis)
321
 
        wt.lock_read()
322
 
        try:
323
 
            self.assertEquals(set([root_id, "bla-b"]), set(wt.inventory))
324
 
        finally:
325
 
            wt.unlock()
326
 
 
327
 
 
328
 
class DummyForeignVcsTests(TestCaseWithTransport):
329
 
    """Very basic test for DummyForeignVcs."""
 
96
class ShowForeignPropertiesTests(TestCase):
 
97
    """Tests for the show_foreign_properties() function."""
330
98
 
331
99
    def setUp(self):
332
 
        BzrDirFormat.register_control_format(DummyForeignVcsDirFormat)
333
 
        branch.InterBranch.register_optimiser(InterToDummyVcsBranch)
334
 
        self.addCleanup(self.unregister)
335
 
        super(DummyForeignVcsTests, self).setUp()
336
 
 
337
 
    def unregister(self):
338
 
        try:
339
 
            BzrDirFormat.unregister_control_format(DummyForeignVcsDirFormat)
340
 
        except ValueError:
341
 
            pass
342
 
        branch.InterBranch.unregister_optimiser(InterToDummyVcsBranch)
343
 
 
344
 
    def test_create(self):
345
 
        """Test we can create dummies."""
346
 
        self.make_branch_and_tree("d", format=DummyForeignVcsDirFormat())
347
 
        dir = BzrDir.open("d")
348
 
        self.assertEquals("A Dummy VCS Dir", dir._format.get_format_string())
349
 
        dir.open_repository()
350
 
        dir.open_branch()
351
 
        dir.open_workingtree()
352
 
 
353
 
    def test_sprout(self):
354
 
        """Test we can clone dummies and that the format is not preserved."""
355
 
        self.make_branch_and_tree("d", format=DummyForeignVcsDirFormat())
356
 
        dir = BzrDir.open("d")
357
 
        newdir = dir.sprout("e")
358
 
        self.assertNotEquals("A Dummy VCS Dir", newdir._format.get_format_string())
359
 
 
360
 
    def test_lossy_push_empty(self):
361
 
        source_tree = self.make_branch_and_tree("source")
362
 
        target_tree = self.make_branch_and_tree("target", 
363
 
            format=DummyForeignVcsDirFormat())
364
 
        pushresult = source_tree.branch.lossy_push(target_tree.branch)
365
 
        self.assertEquals(NULL_REVISION, pushresult.old_revid)
366
 
        self.assertEquals(NULL_REVISION, pushresult.new_revid)
367
 
        self.assertEquals({}, pushresult.revidmap)
368
 
 
369
 
    def test_lossy_push_simple(self):
370
 
        source_tree = self.make_branch_and_tree("source")
371
 
        self.build_tree(['source/a', 'source/b'])
372
 
        source_tree.add(['a', 'b'])
373
 
        revid1 = source_tree.commit("msg")
374
 
        target_tree = self.make_branch_and_tree("target", 
375
 
            format=DummyForeignVcsDirFormat())
376
 
        target_tree.branch.lock_write()
377
 
        try:
378
 
            pushresult = source_tree.branch.lossy_push(target_tree.branch)
379
 
        finally:
380
 
            target_tree.branch.unlock()
381
 
        self.assertEquals(NULL_REVISION, pushresult.old_revid)
382
 
        self.assertEquals({revid1:target_tree.branch.last_revision()}, 
383
 
                           pushresult.revidmap)
384
 
        self.assertEquals(pushresult.revidmap[revid1], pushresult.new_revid)
 
100
        super(ShowForeignPropertiesTests, self).setUp()
 
101
        self.vcs = DummyForeignVcs()
 
102
        foreign.foreign_vcs_registry.register("dummy",
 
103
            self.vcs, "Dummy VCS")
 
104
 
 
105
    def tearDown(self):
 
106
        super(ShowForeignPropertiesTests, self).tearDown()
 
107
        foreign.foreign_vcs_registry.remove("dummy")
 
108
 
 
109
    def test_show_non_foreign(self):
 
110
        """Test use with a native (non-foreign) bzr revision."""
 
111
        self.assertEquals({}, foreign.show_foreign_properties(Revision("arevid")))
 
112
 
 
113
    def test_show_imported(self):
 
114
        rev = Revision("dummy-v1:my-foreign-revid")
 
115
        self.assertEquals({ "dummy ding": "my/foreign\\revid" },
 
116
                          foreign.show_foreign_properties(rev))
 
117
 
 
118
    def test_show_direct(self):
 
119
        rev = foreign.ForeignRevision(("some", "foreign", "revid"),
 
120
                                      DummyForeignVcsMapping(self.vcs),
 
121
                                      "roundtrip-revid")
 
122
        self.assertEquals({ "dummy ding": "some/foreign\\revid" },
 
123
                          foreign.show_foreign_properties(rev))