~bzr-pqm/bzr/bzr.dev

« back to all changes in this revision

Viewing changes to bzrlib/tests/test_branch.py

  • Committer: John Arbash Meinel
  • Date: 2006-01-23 22:33:23 UTC
  • mto: This revision was merged to the branch mainline in revision 1551.
  • Revision ID: john@arbash-meinel.com-20060123223323-16eb865383bf650a
From Jari Alto: Makefile fixes (clean target error suppression)

Show diffs side-by-side

added added

removed removed

Lines of Context:
14
14
# along with this program; if not, write to the Free Software
15
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
16
16
 
17
 
from bzrlib.selftest import InTempDir
18
 
 
19
 
 
20
 
class TestAppendRevisions(InTempDir):
21
 
    """Test appending more than one revision"""
 
17
import os
 
18
import sys
 
19
 
 
20
from bzrlib.branch import Branch, needs_read_lock, needs_write_lock
 
21
from bzrlib.clone import copy_branch
 
22
from bzrlib.commit import commit
 
23
import bzrlib.errors as errors
 
24
from bzrlib.errors import NoSuchRevision, UnlistableBranch, NotBranchError
 
25
import bzrlib.gpg
 
26
from bzrlib.osutils import getcwd
 
27
from bzrlib.tests import TestCase, TestCaseInTempDir
 
28
from bzrlib.tests.HTTPTestUtil import TestCaseWithWebserver
 
29
from bzrlib.trace import mutter
 
30
import bzrlib.transactions as transactions
 
31
from bzrlib.revision import NULL_REVISION
 
32
 
 
33
# TODO: Make a branch using basis branch, and check that it 
 
34
# doesn't request any files that could have been avoided, by 
 
35
# hooking into the Transport.
 
36
 
 
37
class TestBranch(TestCaseInTempDir):
 
38
 
22
39
    def test_append_revisions(self):
23
 
        from bzrlib.branch import Branch
24
 
        br = Branch(".", init=True)
 
40
        """Test appending more than one revision"""
 
41
        br = Branch.initialize(u".")
25
42
        br.append_revision("rev1")
26
43
        self.assertEquals(br.revision_history(), ["rev1",])
27
44
        br.append_revision("rev2", "rev3")
28
45
        self.assertEquals(br.revision_history(), ["rev1", "rev2", "rev3"])
 
46
 
 
47
    def test_fetch_revisions(self):
 
48
        """Test fetch-revision operation."""
 
49
        from bzrlib.fetch import Fetcher
 
50
        os.mkdir('b1')
 
51
        os.mkdir('b2')
 
52
        b1 = Branch.initialize('b1')
 
53
        b2 = Branch.initialize('b2')
 
54
        file('b1/foo', 'w').write('hello')
 
55
        b1.working_tree().add(['foo'], ['foo-id'])
 
56
        b1.working_tree().commit('lala!', rev_id='revision-1', allow_pointless=False)
 
57
 
 
58
        mutter('start fetch')
 
59
        f = Fetcher(from_branch=b1, to_branch=b2)
 
60
        eq = self.assertEquals
 
61
        eq(f.count_copied, 1)
 
62
        eq(f.last_revision, 'revision-1')
 
63
 
 
64
        rev = b2.get_revision('revision-1')
 
65
        tree = b2.revision_tree('revision-1')
 
66
        eq(tree.get_file_text('foo-id'), 'hello')
 
67
 
 
68
    def test_revision_tree(self):
 
69
        b1 = Branch.initialize(u'.')
 
70
        b1.working_tree().commit('lala!', rev_id='revision-1', allow_pointless=True)
 
71
        tree = b1.revision_tree('revision-1')
 
72
        tree = b1.revision_tree(None)
 
73
        self.assertEqual(len(tree.list_files()), 0)
 
74
        tree = b1.revision_tree(NULL_REVISION)
 
75
        self.assertEqual(len(tree.list_files()), 0)
 
76
 
 
77
    def get_unbalanced_branch_pair(self):
 
78
        """Return two branches, a and b, with one file in a."""
 
79
        os.mkdir('a')
 
80
        br_a = Branch.initialize("a")
 
81
        file('a/b', 'wb').write('b')
 
82
        br_a.working_tree().add('b')
 
83
        commit(br_a, "silly commit", rev_id='A')
 
84
        os.mkdir('b')
 
85
        br_b = Branch.initialize("b")
 
86
        return br_a, br_b
 
87
 
 
88
    def get_balanced_branch_pair(self):
 
89
        """Returns br_a, br_b as with one commit in a, and b has a's stores."""
 
90
        br_a, br_b = self.get_unbalanced_branch_pair()
 
91
        br_a.push_stores(br_b)
 
92
        return br_a, br_b
 
93
 
 
94
    def test_push_stores(self):
 
95
        """Copy the stores from one branch to another"""
 
96
        br_a, br_b = self.get_unbalanced_branch_pair()
 
97
        # ensure the revision is missing.
 
98
        self.assertRaises(NoSuchRevision, br_b.get_revision, 
 
99
                          br_a.revision_history()[0])
 
100
        br_a.push_stores(br_b)
 
101
        # check that b now has all the data from a's first commit.
 
102
        rev = br_b.get_revision(br_a.revision_history()[0])
 
103
        tree = br_b.revision_tree(br_a.revision_history()[0])
 
104
        for file_id in tree:
 
105
            if tree.inventory[file_id].kind == "file":
 
106
                tree.get_file(file_id).read()
 
107
        return br_a, br_b
 
108
 
 
109
    def test_copy_branch(self):
 
110
        """Copy the stores from one branch to another"""
 
111
        br_a, br_b = self.get_balanced_branch_pair()
 
112
        commit(br_b, "silly commit")
 
113
        os.mkdir('c')
 
114
        br_c = copy_branch(br_a, 'c', basis_branch=br_b)
 
115
        self.assertEqual(br_a.revision_history(), br_c.revision_history())
 
116
 
 
117
    def test_copy_partial(self):
 
118
        """Copy only part of the history of a branch."""
 
119
        self.build_tree(['a/', 'a/one'])
 
120
        br_a = Branch.initialize('a')
 
121
        br_a.working_tree().add(['one'])
 
122
        br_a.working_tree().commit('commit one', rev_id='u@d-1')
 
123
        self.build_tree(['a/two'])
 
124
        br_a.working_tree().add(['two'])
 
125
        br_a.working_tree().commit('commit two', rev_id='u@d-2')
 
126
        br_b = copy_branch(br_a, 'b', revision='u@d-1')
 
127
        self.assertEqual(br_b.last_revision(), 'u@d-1')
 
128
        self.assertTrue(os.path.exists('b/one'))
 
129
        self.assertFalse(os.path.exists('b/two'))
 
130
        
 
131
    def test_record_initial_ghost_merge(self):
 
132
        """A pending merge with no revision present is still a merge."""
 
133
        branch = Branch.initialize(u'.')
 
134
        branch.working_tree().add_pending_merge('non:existent@rev--ision--0--2')
 
135
        branch.working_tree().commit('pretend to merge nonexistent-revision', rev_id='first')
 
136
        rev = branch.get_revision(branch.last_revision())
 
137
        self.assertEqual(len(rev.parent_ids), 1)
 
138
        # parent_sha1s is not populated now, WTF. rbc 20051003
 
139
        self.assertEqual(len(rev.parent_sha1s), 0)
 
140
        self.assertEqual(rev.parent_ids[0], 'non:existent@rev--ision--0--2')
 
141
 
 
142
    def test_bad_revision(self):
 
143
        branch = Branch.initialize(u'.')
 
144
        self.assertRaises(errors.InvalidRevisionId, branch.get_revision, None)
 
145
 
 
146
# TODO 20051003 RBC:
 
147
# compare the gpg-to-sign info for a commit with a ghost and 
 
148
#     an identical tree without a ghost
 
149
# fetch missing should rewrite the TOC of weaves to list newly available parents.
 
150
        
 
151
    def test_pending_merges(self):
 
152
        """Tracking pending-merged revisions."""
 
153
        b = Branch.initialize(u'.')
 
154
        wt = b.working_tree()
 
155
        self.assertEquals(wt.pending_merges(), [])
 
156
        wt.add_pending_merge('foo@azkhazan-123123-abcabc')
 
157
        self.assertEquals(wt.pending_merges(), ['foo@azkhazan-123123-abcabc'])
 
158
        wt.add_pending_merge('foo@azkhazan-123123-abcabc')
 
159
        self.assertEquals(wt.pending_merges(), ['foo@azkhazan-123123-abcabc'])
 
160
        wt.add_pending_merge('wibble@fofof--20050401--1928390812')
 
161
        self.assertEquals(wt.pending_merges(),
 
162
                          ['foo@azkhazan-123123-abcabc',
 
163
                           'wibble@fofof--20050401--1928390812'])
 
164
        b.working_tree().commit("commit from base with two merges")
 
165
        rev = b.get_revision(b.revision_history()[0])
 
166
        self.assertEquals(len(rev.parent_ids), 2)
 
167
        self.assertEquals(rev.parent_ids[0],
 
168
                          'foo@azkhazan-123123-abcabc')
 
169
        self.assertEquals(rev.parent_ids[1],
 
170
                           'wibble@fofof--20050401--1928390812')
 
171
        # list should be cleared when we do a commit
 
172
        self.assertEquals(wt.pending_merges(), [])
 
173
 
 
174
    def test_sign_existing_revision(self):
 
175
        branch = Branch.initialize(u'.')
 
176
        branch.working_tree().commit("base", allow_pointless=True, rev_id='A')
 
177
        from bzrlib.testament import Testament
 
178
        branch.sign_revision('A', bzrlib.gpg.LoopbackGPGStrategy(None))
 
179
        self.assertEqual(Testament.from_revision(branch, 'A').as_short_text(),
 
180
                         branch.revision_store.get('A', 'sig').read())
 
181
 
 
182
    def test_store_signature(self):
 
183
        branch = Branch.initialize(u'.')
 
184
        branch.store_revision_signature(bzrlib.gpg.LoopbackGPGStrategy(None),
 
185
                                        'FOO', 'A')
 
186
        self.assertEqual('FOO', branch.revision_store.get('A', 'sig').read())
 
187
 
 
188
    def test__relcontrolfilename(self):
 
189
        branch = Branch.initialize(u'.')
 
190
        self.assertEqual('.bzr/%25', branch._rel_controlfilename('%'))
 
191
        
 
192
    def test__relcontrolfilename_empty(self):
 
193
        branch = Branch.initialize(u'.')
 
194
        self.assertEqual('.bzr', branch._rel_controlfilename(''))
 
195
 
 
196
    def test_nicks(self):
 
197
        """Branch nicknames"""
 
198
        os.mkdir('bzr.dev')
 
199
        branch = Branch.initialize('bzr.dev')
 
200
        self.assertEqual(branch.nick, 'bzr.dev')
 
201
        os.rename('bzr.dev', 'bzr.ab')
 
202
        branch = Branch.open('bzr.ab')
 
203
        self.assertEqual(branch.nick, 'bzr.ab')
 
204
        branch.nick = "Aaron's branch"
 
205
        branch.nick = "Aaron's branch"
 
206
        self.failUnless(os.path.exists(branch.controlfilename("branch.conf")))
 
207
        self.assertEqual(branch.nick, "Aaron's branch")
 
208
        os.rename('bzr.ab', 'integration')
 
209
        branch = Branch.open('integration')
 
210
        self.assertEqual(branch.nick, "Aaron's branch")
 
211
        branch.nick = u"\u1234"
 
212
        self.assertEqual(branch.nick, u"\u1234")
 
213
 
 
214
    def test_commit_nicks(self):
 
215
        """Nicknames are committed to the revision"""
 
216
        os.mkdir('bzr.dev')
 
217
        branch = Branch.initialize('bzr.dev')
 
218
        branch.nick = "My happy branch"
 
219
        branch.working_tree().commit('My commit respect da nick.')
 
220
        committed = branch.get_revision(branch.last_revision())
 
221
        self.assertEqual(committed.properties["branch-nick"], 
 
222
                         "My happy branch")
 
223
 
 
224
    def test_no_ancestry_weave(self):
 
225
        # We no longer need to create the ancestry.weave file
 
226
        # since it is *never* used.
 
227
        branch = Branch.initialize(u'.')
 
228
        self.failIfExists('.bzr/ancestry.weave')
 
229
 
 
230
 
 
231
class TestRemote(TestCaseWithWebserver):
 
232
 
 
233
    def test_open_containing(self):
 
234
        self.assertRaises(NotBranchError, Branch.open_containing,
 
235
                          self.get_remote_url(''))
 
236
        self.assertRaises(NotBranchError, Branch.open_containing,
 
237
                          self.get_remote_url('g/p/q'))
 
238
        b = Branch.initialize(u'.')
 
239
        branch, relpath = Branch.open_containing(self.get_remote_url(''))
 
240
        self.assertEqual('', relpath)
 
241
        branch, relpath = Branch.open_containing(self.get_remote_url('g/p/q'))
 
242
        self.assertEqual('g/p/q', relpath)
 
243
        
 
244
# TODO: rewrite this as a regular unittest, without relying on the displayed output        
 
245
#         >>> from bzrlib.commit import commit
 
246
#         >>> bzrlib.trace.silent = True
 
247
#         >>> br1 = ScratchBranch(files=['foo', 'bar'])
 
248
#         >>> br1.working_tree().add('foo')
 
249
#         >>> br1.working_tree().add('bar')
 
250
#         >>> commit(br1, "lala!", rev_id="REVISION-ID-1", verbose=False)
 
251
#         >>> br2 = ScratchBranch()
 
252
#         >>> br2.update_revisions(br1)
 
253
#         Added 2 texts.
 
254
#         Added 1 inventories.
 
255
#         Added 1 revisions.
 
256
#         >>> br2.revision_history()
 
257
#         [u'REVISION-ID-1']
 
258
#         >>> br2.update_revisions(br1)
 
259
#         Added 0 revisions.
 
260
#         >>> br1.text_store.total_size() == br2.text_store.total_size()
 
261
#         True
 
262
 
 
263
class InstrumentedTransaction(object):
 
264
 
 
265
    def finish(self):
 
266
        self.calls.append('finish')
 
267
 
 
268
    def __init__(self):
 
269
        self.calls = []
 
270
 
 
271
 
 
272
class TestDecorator(object):
 
273
 
 
274
    def __init__(self):
 
275
        self._calls = []
 
276
 
 
277
    def lock_read(self):
 
278
        self._calls.append('lr')
 
279
 
 
280
    def lock_write(self):
 
281
        self._calls.append('lw')
 
282
 
 
283
    def unlock(self):
 
284
        self._calls.append('ul')
 
285
 
 
286
    @needs_read_lock
 
287
    def do_with_read(self):
 
288
        return 1
 
289
 
 
290
    @needs_read_lock
 
291
    def except_with_read(self):
 
292
        raise RuntimeError
 
293
 
 
294
    @needs_write_lock
 
295
    def do_with_write(self):
 
296
        return 2
 
297
 
 
298
    @needs_write_lock
 
299
    def except_with_write(self):
 
300
        raise RuntimeError
 
301
 
 
302
 
 
303
class TestDecorators(TestCase):
 
304
 
 
305
    def test_needs_read_lock(self):
 
306
        branch = TestDecorator()
 
307
        self.assertEqual(1, branch.do_with_read())
 
308
        self.assertEqual(['lr', 'ul'], branch._calls)
 
309
 
 
310
    def test_excepts_in_read_lock(self):
 
311
        branch = TestDecorator()
 
312
        self.assertRaises(RuntimeError, branch.except_with_read)
 
313
        self.assertEqual(['lr', 'ul'], branch._calls)
 
314
 
 
315
    def test_needs_write_lock(self):
 
316
        branch = TestDecorator()
 
317
        self.assertEqual(2, branch.do_with_write())
 
318
        self.assertEqual(['lw', 'ul'], branch._calls)
 
319
 
 
320
    def test_excepts_in_write_lock(self):
 
321
        branch = TestDecorator()
 
322
        self.assertRaises(RuntimeError, branch.except_with_write)
 
323
        self.assertEqual(['lw', 'ul'], branch._calls)
 
324
 
 
325
 
 
326
class TestBranchTransaction(TestCaseInTempDir):
 
327
 
 
328
    def setUp(self):
 
329
        super(TestBranchTransaction, self).setUp()
 
330
        self.branch = Branch.initialize(u'.')
 
331
        
 
332
    def test_default_get_transaction(self):
 
333
        """branch.get_transaction on a new branch should give a PassThrough."""
 
334
        self.failUnless(isinstance(self.branch.get_transaction(),
 
335
                                   transactions.PassThroughTransaction))
 
336
 
 
337
    def test__set_new_transaction(self):
 
338
        self.branch._set_transaction(transactions.ReadOnlyTransaction())
 
339
 
 
340
    def test__set_over_existing_transaction_raises(self):
 
341
        self.branch._set_transaction(transactions.ReadOnlyTransaction())
 
342
        self.assertRaises(errors.LockError,
 
343
                          self.branch._set_transaction,
 
344
                          transactions.ReadOnlyTransaction())
 
345
 
 
346
    def test_finish_no_transaction_raises(self):
 
347
        self.assertRaises(errors.LockError, self.branch._finish_transaction)
 
348
 
 
349
    def test_finish_readonly_transaction_works(self):
 
350
        self.branch._set_transaction(transactions.ReadOnlyTransaction())
 
351
        self.branch._finish_transaction()
 
352
        self.assertEqual(None, self.branch._transaction)
 
353
 
 
354
    def test_unlock_calls_finish(self):
 
355
        self.branch.lock_read()
 
356
        transaction = InstrumentedTransaction()
 
357
        self.branch._transaction = transaction
 
358
        self.branch.unlock()
 
359
        self.assertEqual(['finish'], transaction.calls)
 
360
 
 
361
    def test_lock_read_acquires_ro_transaction(self):
 
362
        self.branch.lock_read()
 
363
        self.failUnless(isinstance(self.branch.get_transaction(),
 
364
                                   transactions.ReadOnlyTransaction))
 
365
        self.branch.unlock()
 
366
        
 
367
    def test_lock_write_acquires_passthrough_transaction(self):
 
368
        self.branch.lock_write()
 
369
        # cannot use get_transaction as its magic
 
370
        self.failUnless(isinstance(self.branch._transaction,
 
371
                                   transactions.PassThroughTransaction))
 
372
        self.branch.unlock()
 
373
 
 
374
 
 
375
class TestBranchPushLocations(TestCaseInTempDir):
 
376
 
 
377
    def setUp(self):
 
378
        super(TestBranchPushLocations, self).setUp()
 
379
        self.branch = Branch.initialize(u'.')
 
380
        
 
381
    def test_get_push_location_unset(self):
 
382
        self.assertEqual(None, self.branch.get_push_location())
 
383
 
 
384
    def test_get_push_location_exact(self):
 
385
        from bzrlib.config import (branches_config_filename,
 
386
                                   ensure_config_dir_exists)
 
387
        ensure_config_dir_exists()
 
388
        fn = branches_config_filename()
 
389
        print >> open(fn, 'wt'), ("[%s]\n"
 
390
                                  "push_location=foo" %
 
391
                                  getcwd())
 
392
        self.assertEqual("foo", self.branch.get_push_location())
 
393
 
 
394
    def test_set_push_location(self):
 
395
        from bzrlib.config import (branches_config_filename,
 
396
                                   ensure_config_dir_exists)
 
397
        ensure_config_dir_exists()
 
398
        fn = branches_config_filename()
 
399
        self.branch.set_push_location('foo')
 
400
        self.assertFileEqual("[%s]\n"
 
401
                             "push_location = foo" % getcwd(),
 
402
                             fn)
 
403
 
 
404
    # TODO RBC 20051029 test getting a push location from a branch in a 
 
405
    # recursive section - that is, it appends the branch name.