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  • Committer: Martin Pool
  • Date: 2007-07-11 06:47:30 UTC
  • mto: This revision was merged to the branch mainline in revision 2612.
  • Revision ID: mbp@sourcefrog.net-20070711064730-pwnhisgp2caf7nar
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1
# Copyright (C) 2005, 2006, 2007 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
16
 
 
17
"""Tests for the Branch facility that are not interface  tests.
 
18
 
 
19
For interface tests see tests/branch_implementations/*.py.
 
20
 
 
21
For concrete class tests see this file, and for meta-branch tests
 
22
also see this file.
 
23
"""
 
24
 
 
25
from StringIO import StringIO
 
26
 
 
27
from bzrlib import (
 
28
    branch as _mod_branch,
 
29
    bzrdir,
 
30
    config,
 
31
    errors,
 
32
    trace,
 
33
    urlutils,
 
34
    )
 
35
from bzrlib.branch import (
 
36
    Branch,
 
37
    BranchHooks,
 
38
    BranchFormat,
 
39
    BranchReferenceFormat,
 
40
    BzrBranch5,
 
41
    BzrBranchFormat5,
 
42
    PullResult,
 
43
    )
 
44
from bzrlib.bzrdir import (BzrDirMetaFormat1, BzrDirMeta1, 
 
45
                           BzrDir, BzrDirFormat)
 
46
from bzrlib.errors import (NotBranchError,
 
47
                           UnknownFormatError,
 
48
                           UnknownHook,
 
49
                           UnsupportedFormatError,
 
50
                           )
 
51
 
 
52
from bzrlib.tests import TestCase, TestCaseWithTransport
 
53
from bzrlib.transport import get_transport
 
54
 
 
55
class TestDefaultFormat(TestCase):
 
56
 
 
57
    def test_get_set_default_format(self):
 
58
        old_format = BranchFormat.get_default_format()
 
59
        # default is 5
 
60
        self.assertTrue(isinstance(old_format, BzrBranchFormat5))
 
61
        BranchFormat.set_default_format(SampleBranchFormat())
 
62
        try:
 
63
            # the default branch format is used by the meta dir format
 
64
            # which is not the default bzrdir format at this point
 
65
            dir = BzrDirMetaFormat1().initialize('memory:///')
 
66
            result = dir.create_branch()
 
67
            self.assertEqual(result, 'A branch')
 
68
        finally:
 
69
            BranchFormat.set_default_format(old_format)
 
70
        self.assertEqual(old_format, BranchFormat.get_default_format())
 
71
 
 
72
 
 
73
class TestBranchFormat5(TestCaseWithTransport):
 
74
    """Tests specific to branch format 5"""
 
75
 
 
76
    def test_branch_format_5_uses_lockdir(self):
 
77
        url = self.get_url()
 
78
        bzrdir = BzrDirMetaFormat1().initialize(url)
 
79
        bzrdir.create_repository()
 
80
        branch = bzrdir.create_branch()
 
81
        t = self.get_transport()
 
82
        self.log("branch instance is %r" % branch)
 
83
        self.assert_(isinstance(branch, BzrBranch5))
 
84
        self.assertIsDirectory('.', t)
 
85
        self.assertIsDirectory('.bzr/branch', t)
 
86
        self.assertIsDirectory('.bzr/branch/lock', t)
 
87
        branch.lock_write()
 
88
        try:
 
89
            self.assertIsDirectory('.bzr/branch/lock/held', t)
 
90
        finally:
 
91
            branch.unlock()
 
92
 
 
93
    def test_set_push_location(self):
 
94
        from bzrlib.config import (locations_config_filename,
 
95
                                   ensure_config_dir_exists)
 
96
        ensure_config_dir_exists()
 
97
        fn = locations_config_filename()
 
98
        branch = self.make_branch('.', format='knit')
 
99
        branch.set_push_location('foo')
 
100
        local_path = urlutils.local_path_from_url(branch.base[:-1])
 
101
        self.assertFileEqual("[%s]\n"
 
102
                             "push_location = foo\n"
 
103
                             "push_location:policy = norecurse" % local_path,
 
104
                             fn)
 
105
 
 
106
    # TODO RBC 20051029 test getting a push location from a branch in a
 
107
    # recursive section - that is, it appends the branch name.
 
108
 
 
109
 
 
110
class SampleBranchFormat(BranchFormat):
 
111
    """A sample format
 
112
 
 
113
    this format is initializable, unsupported to aid in testing the 
 
114
    open and open_downlevel routines.
 
115
    """
 
116
 
 
117
    def get_format_string(self):
 
118
        """See BzrBranchFormat.get_format_string()."""
 
119
        return "Sample branch format."
 
120
 
 
121
    def initialize(self, a_bzrdir):
 
122
        """Format 4 branches cannot be created."""
 
123
        t = a_bzrdir.get_branch_transport(self)
 
124
        t.put_bytes('format', self.get_format_string())
 
125
        return 'A branch'
 
126
 
 
127
    def is_supported(self):
 
128
        return False
 
129
 
 
130
    def open(self, transport, _found=False):
 
131
        return "opened branch."
 
132
 
 
133
 
 
134
class TestBzrBranchFormat(TestCaseWithTransport):
 
135
    """Tests for the BzrBranchFormat facility."""
 
136
 
 
137
    def test_find_format(self):
 
138
        # is the right format object found for a branch?
 
139
        # create a branch with a few known format objects.
 
140
        # this is not quite the same as 
 
141
        self.build_tree(["foo/", "bar/"])
 
142
        def check_format(format, url):
 
143
            dir = format._matchingbzrdir.initialize(url)
 
144
            dir.create_repository()
 
145
            format.initialize(dir)
 
146
            found_format = BranchFormat.find_format(dir)
 
147
            self.failUnless(isinstance(found_format, format.__class__))
 
148
        check_format(BzrBranchFormat5(), "bar")
 
149
        
 
150
    def test_find_format_not_branch(self):
 
151
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
152
        self.assertRaises(NotBranchError,
 
153
                          BranchFormat.find_format,
 
154
                          dir)
 
155
 
 
156
    def test_find_format_unknown_format(self):
 
157
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
158
        SampleBranchFormat().initialize(dir)
 
159
        self.assertRaises(UnknownFormatError,
 
160
                          BranchFormat.find_format,
 
161
                          dir)
 
162
 
 
163
    def test_register_unregister_format(self):
 
164
        format = SampleBranchFormat()
 
165
        # make a control dir
 
166
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
167
        # make a branch
 
168
        format.initialize(dir)
 
169
        # register a format for it.
 
170
        BranchFormat.register_format(format)
 
171
        # which branch.Open will refuse (not supported)
 
172
        self.assertRaises(UnsupportedFormatError, Branch.open, self.get_url())
 
173
        self.make_branch_and_tree('foo')
 
174
        # but open_downlevel will work
 
175
        self.assertEqual(format.open(dir), bzrdir.BzrDir.open(self.get_url()).open_branch(unsupported=True))
 
176
        # unregister the format
 
177
        BranchFormat.unregister_format(format)
 
178
        self.make_branch_and_tree('bar')
 
179
 
 
180
 
 
181
class TestBranch6(TestCaseWithTransport):
 
182
 
 
183
    def test_creation(self):
 
184
        format = BzrDirMetaFormat1()
 
185
        format.set_branch_format(_mod_branch.BzrBranchFormat6())
 
186
        branch = self.make_branch('a', format=format)
 
187
        self.assertIsInstance(branch, _mod_branch.BzrBranch6)
 
188
        branch = self.make_branch('b', format='dirstate-tags')
 
189
        self.assertIsInstance(branch, _mod_branch.BzrBranch6)
 
190
        branch = _mod_branch.Branch.open('a')
 
191
        self.assertIsInstance(branch, _mod_branch.BzrBranch6)
 
192
 
 
193
    def test_layout(self):
 
194
        branch = self.make_branch('a', format='dirstate-tags')
 
195
        self.failUnlessExists('a/.bzr/branch/last-revision')
 
196
        self.failIfExists('a/.bzr/branch/revision-history')
 
197
 
 
198
    def test_config(self):
 
199
        """Ensure that all configuration data is stored in the branch"""
 
200
        branch = self.make_branch('a', format='dirstate-tags')
 
201
        branch.set_parent('http://bazaar-vcs.org')
 
202
        self.failIfExists('a/.bzr/branch/parent')
 
203
        self.assertEqual('http://bazaar-vcs.org', branch.get_parent())
 
204
        branch.set_push_location('sftp://bazaar-vcs.org')
 
205
        config = branch.get_config()._get_branch_data_config()
 
206
        self.assertEqual('sftp://bazaar-vcs.org',
 
207
                         config.get_user_option('push_location'))
 
208
        branch.set_bound_location('ftp://bazaar-vcs.org')
 
209
        self.failIfExists('a/.bzr/branch/bound')
 
210
        self.assertEqual('ftp://bazaar-vcs.org', branch.get_bound_location())
 
211
 
 
212
    def test_set_revision_history(self):
 
213
        tree = self.make_branch_and_memory_tree('.',
 
214
            format='dirstate-tags')
 
215
        tree.lock_write()
 
216
        try:
 
217
            tree.add('.')
 
218
            tree.commit('foo', rev_id='foo')
 
219
            tree.commit('bar', rev_id='bar')
 
220
            tree.branch.set_revision_history(['foo', 'bar'])
 
221
            tree.branch.set_revision_history(['foo'])
 
222
            self.assertRaises(errors.NotLefthandHistory,
 
223
                              tree.branch.set_revision_history, ['bar'])
 
224
        finally:
 
225
            tree.unlock()
 
226
 
 
227
    def test_append_revision(self):
 
228
        tree = self.make_branch_and_tree('branch1',
 
229
            format='dirstate-tags')
 
230
        tree.lock_write()
 
231
        try:
 
232
            tree.commit('foo', rev_id='foo')
 
233
            tree.commit('bar', rev_id='bar')
 
234
            tree.commit('baz', rev_id='baz')
 
235
            tree.set_last_revision('bar')
 
236
            tree.branch.set_last_revision_info(2, 'bar')
 
237
            tree.commit('qux', rev_id='qux')
 
238
            tree.add_parent_tree_id('baz')
 
239
            tree.commit('qux', rev_id='quxx')
 
240
            tree.branch.set_last_revision_info(0, 'null:')
 
241
            self.assertRaises(errors.NotLeftParentDescendant,
 
242
                              tree.branch.append_revision, 'bar')
 
243
            tree.branch.append_revision('foo')
 
244
            self.assertRaises(errors.NotLeftParentDescendant,
 
245
                              tree.branch.append_revision, 'baz')
 
246
            tree.branch.append_revision('bar')
 
247
            tree.branch.append_revision('baz')
 
248
            self.assertRaises(errors.NotLeftParentDescendant,
 
249
                              tree.branch.append_revision, 'quxx')
 
250
        finally:
 
251
            tree.unlock()
 
252
 
 
253
    def do_checkout_test(self, lightweight=False):
 
254
        tree = self.make_branch_and_tree('source', format='dirstate-with-subtree')
 
255
        subtree = self.make_branch_and_tree('source/subtree',
 
256
            format='dirstate-with-subtree')
 
257
        subsubtree = self.make_branch_and_tree('source/subtree/subsubtree',
 
258
            format='dirstate-with-subtree')
 
259
        self.build_tree(['source/subtree/file',
 
260
                         'source/subtree/subsubtree/file'])
 
261
        subsubtree.add('file')
 
262
        subtree.add('file')
 
263
        subtree.add_reference(subsubtree)
 
264
        tree.add_reference(subtree)
 
265
        tree.commit('a revision')
 
266
        subtree.commit('a subtree file')
 
267
        subsubtree.commit('a subsubtree file')
 
268
        tree.branch.create_checkout('target', lightweight=lightweight)
 
269
        self.failUnlessExists('target')
 
270
        self.failUnlessExists('target/subtree')
 
271
        self.failUnlessExists('target/subtree/file')
 
272
        self.failUnlessExists('target/subtree/subsubtree/file')
 
273
        subbranch = _mod_branch.Branch.open('target/subtree/subsubtree')
 
274
        if lightweight:
 
275
            self.assertEndsWith(subbranch.base, 'source/subtree/subsubtree/')
 
276
        else:
 
277
            self.assertEndsWith(subbranch.base, 'target/subtree/subsubtree/')
 
278
 
 
279
 
 
280
    def test_checkout_with_references(self):
 
281
        self.do_checkout_test()
 
282
 
 
283
    def test_light_checkout_with_references(self):
 
284
        self.do_checkout_test(lightweight=True)
 
285
 
 
286
    def test_set_push(self):
 
287
        branch = self.make_branch('source', format='dirstate-tags')
 
288
        branch.get_config().set_user_option('push_location', 'old',
 
289
            store=config.STORE_LOCATION)
 
290
        warnings = []
 
291
        def warning(*args):
 
292
            warnings.append(args[0] % args[1:])
 
293
        _warning = trace.warning
 
294
        trace.warning = warning
 
295
        try:
 
296
            branch.set_push_location('new')
 
297
        finally:
 
298
            trace.warning = _warning
 
299
        self.assertEqual(warnings[0], 'Value "new" is masked by "old" from '
 
300
                         'locations.conf')
 
301
 
 
302
class TestBranchReference(TestCaseWithTransport):
 
303
    """Tests for the branch reference facility."""
 
304
 
 
305
    def test_create_open_reference(self):
 
306
        bzrdirformat = bzrdir.BzrDirMetaFormat1()
 
307
        t = get_transport(self.get_url('.'))
 
308
        t.mkdir('repo')
 
309
        dir = bzrdirformat.initialize(self.get_url('repo'))
 
310
        dir.create_repository()
 
311
        target_branch = dir.create_branch()
 
312
        t.mkdir('branch')
 
313
        branch_dir = bzrdirformat.initialize(self.get_url('branch'))
 
314
        made_branch = BranchReferenceFormat().initialize(branch_dir, target_branch)
 
315
        self.assertEqual(made_branch.base, target_branch.base)
 
316
        opened_branch = branch_dir.open_branch()
 
317
        self.assertEqual(opened_branch.base, target_branch.base)
 
318
 
 
319
    def test_get_reference(self):
 
320
        """For a BranchReference, get_reference should reutrn the location."""
 
321
        branch = self.make_branch('target')
 
322
        checkout = branch.create_checkout('checkout', lightweight=True)
 
323
        reference_url = branch.bzrdir.root_transport.abspath('') + '/'
 
324
        # if the api for create_checkout changes to return different checkout types
 
325
        # then this file read will fail.
 
326
        self.assertFileEqual(reference_url, 'checkout/.bzr/branch/location')
 
327
        self.assertEqual(reference_url,
 
328
            _mod_branch.BranchReferenceFormat().get_reference(checkout.bzrdir))
 
329
 
 
330
 
 
331
class TestHooks(TestCase):
 
332
 
 
333
    def test_constructor(self):
 
334
        """Check that creating a BranchHooks instance has the right defaults."""
 
335
        hooks = BranchHooks()
 
336
        self.assertTrue("set_rh" in hooks, "set_rh not in %s" % hooks)
 
337
        self.assertTrue("post_push" in hooks, "post_push not in %s" % hooks)
 
338
        self.assertTrue("post_commit" in hooks, "post_commit not in %s" % hooks)
 
339
        self.assertTrue("post_pull" in hooks, "post_pull not in %s" % hooks)
 
340
        self.assertTrue("post_uncommit" in hooks, "post_uncommit not in %s" % hooks)
 
341
 
 
342
    def test_installed_hooks_are_BranchHooks(self):
 
343
        """The installed hooks object should be a BranchHooks."""
 
344
        # the installed hooks are saved in self._preserved_hooks.
 
345
        self.assertIsInstance(self._preserved_hooks[_mod_branch.Branch], BranchHooks)
 
346
 
 
347
 
 
348
class TestPullResult(TestCase):
 
349
 
 
350
    def test_pull_result_to_int(self):
 
351
        # to support old code, the pull result can be used as an int
 
352
        r = PullResult()
 
353
        r.old_revno = 10
 
354
        r.new_revno = 20
 
355
        # this usage of results is not recommended for new code (because it
 
356
        # doesn't describe very well what happened), but for api stability
 
357
        # it's still supported
 
358
        a = "%d revisions pulled" % r
 
359
        self.assertEqual(a, "10 revisions pulled")