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Viewing changes to bzrlib/tests/test_branch.py

  • Committer: mbp at sourcefrog
  • Date: 2005-03-24 00:44:18 UTC
  • Revision ID: mbp@sourcefrog.net-20050324004418-b4a050f656c07f5f
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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
 
    BzrBranchFormat6,
43
 
    PullResult,
44
 
    )
45
 
from bzrlib.bzrdir import (BzrDirMetaFormat1, BzrDirMeta1, 
46
 
                           BzrDir, BzrDirFormat)
47
 
from bzrlib.errors import (NotBranchError,
48
 
                           UnknownFormatError,
49
 
                           UnknownHook,
50
 
                           UnsupportedFormatError,
51
 
                           )
52
 
 
53
 
from bzrlib.tests import TestCase, TestCaseWithTransport
54
 
from bzrlib.transport import get_transport
55
 
 
56
 
class TestDefaultFormat(TestCase):
57
 
 
58
 
    def test_default_format(self):
59
 
        # update this if you change the default branch format
60
 
        self.assertIsInstance(BranchFormat.get_default_format(),
61
 
                BzrBranchFormat6)
62
 
 
63
 
    def test_default_format_is_same_as_bzrdir_default(self):
64
 
        # XXX: it might be nice if there was only one place the default was
65
 
        # set, but at the moment that's not true -- mbp 20070814 -- 
66
 
        # https://bugs.launchpad.net/bzr/+bug/132376
67
 
        self.assertEqual(BranchFormat.get_default_format(),
68
 
                BzrDirFormat.get_default_format().get_branch_format())
69
 
 
70
 
    def test_get_set_default_format(self):
71
 
        # set the format and then set it back again
72
 
        old_format = BranchFormat.get_default_format()
73
 
        BranchFormat.set_default_format(SampleBranchFormat())
74
 
        try:
75
 
            # the default branch format is used by the meta dir format
76
 
            # which is not the default bzrdir format at this point
77
 
            dir = BzrDirMetaFormat1().initialize('memory:///')
78
 
            result = dir.create_branch()
79
 
            self.assertEqual(result, 'A branch')
80
 
        finally:
81
 
            BranchFormat.set_default_format(old_format)
82
 
        self.assertEqual(old_format, BranchFormat.get_default_format())
83
 
 
84
 
 
85
 
class TestBranchFormat5(TestCaseWithTransport):
86
 
    """Tests specific to branch format 5"""
87
 
 
88
 
    def test_branch_format_5_uses_lockdir(self):
89
 
        url = self.get_url()
90
 
        bzrdir = BzrDirMetaFormat1().initialize(url)
91
 
        bzrdir.create_repository()
92
 
        branch = bzrdir.create_branch()
93
 
        t = self.get_transport()
94
 
        self.log("branch instance is %r" % branch)
95
 
        self.assert_(isinstance(branch, BzrBranch5))
96
 
        self.assertIsDirectory('.', t)
97
 
        self.assertIsDirectory('.bzr/branch', t)
98
 
        self.assertIsDirectory('.bzr/branch/lock', t)
99
 
        branch.lock_write()
100
 
        try:
101
 
            self.assertIsDirectory('.bzr/branch/lock/held', t)
102
 
        finally:
103
 
            branch.unlock()
104
 
 
105
 
    def test_set_push_location(self):
106
 
        from bzrlib.config import (locations_config_filename,
107
 
                                   ensure_config_dir_exists)
108
 
        ensure_config_dir_exists()
109
 
        fn = locations_config_filename()
110
 
        branch = self.make_branch('.', format='knit')
111
 
        branch.set_push_location('foo')
112
 
        local_path = urlutils.local_path_from_url(branch.base[:-1])
113
 
        self.assertFileEqual("[%s]\n"
114
 
                             "push_location = foo\n"
115
 
                             "push_location:policy = norecurse" % local_path,
116
 
                             fn)
117
 
 
118
 
    # TODO RBC 20051029 test getting a push location from a branch in a
119
 
    # recursive section - that is, it appends the branch name.
120
 
 
121
 
 
122
 
class SampleBranchFormat(BranchFormat):
123
 
    """A sample format
124
 
 
125
 
    this format is initializable, unsupported to aid in testing the 
126
 
    open and open_downlevel routines.
127
 
    """
128
 
 
129
 
    def get_format_string(self):
130
 
        """See BzrBranchFormat.get_format_string()."""
131
 
        return "Sample branch format."
132
 
 
133
 
    def initialize(self, a_bzrdir):
134
 
        """Format 4 branches cannot be created."""
135
 
        t = a_bzrdir.get_branch_transport(self)
136
 
        t.put_bytes('format', self.get_format_string())
137
 
        return 'A branch'
138
 
 
139
 
    def is_supported(self):
140
 
        return False
141
 
 
142
 
    def open(self, transport, _found=False):
143
 
        return "opened branch."
144
 
 
145
 
 
146
 
class TestBzrBranchFormat(TestCaseWithTransport):
147
 
    """Tests for the BzrBranchFormat facility."""
148
 
 
149
 
    def test_find_format(self):
150
 
        # is the right format object found for a branch?
151
 
        # create a branch with a few known format objects.
152
 
        # this is not quite the same as 
153
 
        self.build_tree(["foo/", "bar/"])
154
 
        def check_format(format, url):
155
 
            dir = format._matchingbzrdir.initialize(url)
156
 
            dir.create_repository()
157
 
            format.initialize(dir)
158
 
            found_format = BranchFormat.find_format(dir)
159
 
            self.failUnless(isinstance(found_format, format.__class__))
160
 
        check_format(BzrBranchFormat5(), "bar")
161
 
        
162
 
    def test_find_format_not_branch(self):
163
 
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
164
 
        self.assertRaises(NotBranchError,
165
 
                          BranchFormat.find_format,
166
 
                          dir)
167
 
 
168
 
    def test_find_format_unknown_format(self):
169
 
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
170
 
        SampleBranchFormat().initialize(dir)
171
 
        self.assertRaises(UnknownFormatError,
172
 
                          BranchFormat.find_format,
173
 
                          dir)
174
 
 
175
 
    def test_register_unregister_format(self):
176
 
        format = SampleBranchFormat()
177
 
        # make a control dir
178
 
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
179
 
        # make a branch
180
 
        format.initialize(dir)
181
 
        # register a format for it.
182
 
        BranchFormat.register_format(format)
183
 
        # which branch.Open will refuse (not supported)
184
 
        self.assertRaises(UnsupportedFormatError, Branch.open, self.get_url())
185
 
        self.make_branch_and_tree('foo')
186
 
        # but open_downlevel will work
187
 
        self.assertEqual(format.open(dir), bzrdir.BzrDir.open(self.get_url()).open_branch(unsupported=True))
188
 
        # unregister the format
189
 
        BranchFormat.unregister_format(format)
190
 
        self.make_branch_and_tree('bar')
191
 
 
192
 
 
193
 
class TestBranch6(TestCaseWithTransport):
194
 
 
195
 
    def test_creation(self):
196
 
        format = BzrDirMetaFormat1()
197
 
        format.set_branch_format(_mod_branch.BzrBranchFormat6())
198
 
        branch = self.make_branch('a', format=format)
199
 
        self.assertIsInstance(branch, _mod_branch.BzrBranch6)
200
 
        branch = self.make_branch('b', format='dirstate-tags')
201
 
        self.assertIsInstance(branch, _mod_branch.BzrBranch6)
202
 
        branch = _mod_branch.Branch.open('a')
203
 
        self.assertIsInstance(branch, _mod_branch.BzrBranch6)
204
 
 
205
 
    def test_layout(self):
206
 
        branch = self.make_branch('a', format='dirstate-tags')
207
 
        self.failUnlessExists('a/.bzr/branch/last-revision')
208
 
        self.failIfExists('a/.bzr/branch/revision-history')
209
 
 
210
 
    def test_config(self):
211
 
        """Ensure that all configuration data is stored in the branch"""
212
 
        branch = self.make_branch('a', format='dirstate-tags')
213
 
        branch.set_parent('http://bazaar-vcs.org')
214
 
        self.failIfExists('a/.bzr/branch/parent')
215
 
        self.assertEqual('http://bazaar-vcs.org', branch.get_parent())
216
 
        branch.set_push_location('sftp://bazaar-vcs.org')
217
 
        config = branch.get_config()._get_branch_data_config()
218
 
        self.assertEqual('sftp://bazaar-vcs.org',
219
 
                         config.get_user_option('push_location'))
220
 
        branch.set_bound_location('ftp://bazaar-vcs.org')
221
 
        self.failIfExists('a/.bzr/branch/bound')
222
 
        self.assertEqual('ftp://bazaar-vcs.org', branch.get_bound_location())
223
 
 
224
 
    def test_set_revision_history(self):
225
 
        tree = self.make_branch_and_memory_tree('.',
226
 
            format='dirstate-tags')
227
 
        tree.lock_write()
228
 
        try:
229
 
            tree.add('.')
230
 
            tree.commit('foo', rev_id='foo')
231
 
            tree.commit('bar', rev_id='bar')
232
 
            tree.branch.set_revision_history(['foo', 'bar'])
233
 
            tree.branch.set_revision_history(['foo'])
234
 
            self.assertRaises(errors.NotLefthandHistory,
235
 
                              tree.branch.set_revision_history, ['bar'])
236
 
        finally:
237
 
            tree.unlock()
238
 
 
239
 
    def do_checkout_test(self, lightweight=False):
240
 
        tree = self.make_branch_and_tree('source', format='dirstate-with-subtree')
241
 
        subtree = self.make_branch_and_tree('source/subtree',
242
 
            format='dirstate-with-subtree')
243
 
        subsubtree = self.make_branch_and_tree('source/subtree/subsubtree',
244
 
            format='dirstate-with-subtree')
245
 
        self.build_tree(['source/subtree/file',
246
 
                         'source/subtree/subsubtree/file'])
247
 
        subsubtree.add('file')
248
 
        subtree.add('file')
249
 
        subtree.add_reference(subsubtree)
250
 
        tree.add_reference(subtree)
251
 
        tree.commit('a revision')
252
 
        subtree.commit('a subtree file')
253
 
        subsubtree.commit('a subsubtree file')
254
 
        tree.branch.create_checkout('target', lightweight=lightweight)
255
 
        self.failUnlessExists('target')
256
 
        self.failUnlessExists('target/subtree')
257
 
        self.failUnlessExists('target/subtree/file')
258
 
        self.failUnlessExists('target/subtree/subsubtree/file')
259
 
        subbranch = _mod_branch.Branch.open('target/subtree/subsubtree')
260
 
        if lightweight:
261
 
            self.assertEndsWith(subbranch.base, 'source/subtree/subsubtree/')
262
 
        else:
263
 
            self.assertEndsWith(subbranch.base, 'target/subtree/subsubtree/')
264
 
 
265
 
    def test_checkout_with_references(self):
266
 
        self.do_checkout_test()
267
 
 
268
 
    def test_light_checkout_with_references(self):
269
 
        self.do_checkout_test(lightweight=True)
270
 
 
271
 
    def test_set_push(self):
272
 
        branch = self.make_branch('source', format='dirstate-tags')
273
 
        branch.get_config().set_user_option('push_location', 'old',
274
 
            store=config.STORE_LOCATION)
275
 
        warnings = []
276
 
        def warning(*args):
277
 
            warnings.append(args[0] % args[1:])
278
 
        _warning = trace.warning
279
 
        trace.warning = warning
280
 
        try:
281
 
            branch.set_push_location('new')
282
 
        finally:
283
 
            trace.warning = _warning
284
 
        self.assertEqual(warnings[0], 'Value "new" is masked by "old" from '
285
 
                         'locations.conf')
286
 
 
287
 
class TestBranchReference(TestCaseWithTransport):
288
 
    """Tests for the branch reference facility."""
289
 
 
290
 
    def test_create_open_reference(self):
291
 
        bzrdirformat = bzrdir.BzrDirMetaFormat1()
292
 
        t = get_transport(self.get_url('.'))
293
 
        t.mkdir('repo')
294
 
        dir = bzrdirformat.initialize(self.get_url('repo'))
295
 
        dir.create_repository()
296
 
        target_branch = dir.create_branch()
297
 
        t.mkdir('branch')
298
 
        branch_dir = bzrdirformat.initialize(self.get_url('branch'))
299
 
        made_branch = BranchReferenceFormat().initialize(branch_dir, target_branch)
300
 
        self.assertEqual(made_branch.base, target_branch.base)
301
 
        opened_branch = branch_dir.open_branch()
302
 
        self.assertEqual(opened_branch.base, target_branch.base)
303
 
 
304
 
    def test_get_reference(self):
305
 
        """For a BranchReference, get_reference should reutrn the location."""
306
 
        branch = self.make_branch('target')
307
 
        checkout = branch.create_checkout('checkout', lightweight=True)
308
 
        reference_url = branch.bzrdir.root_transport.abspath('') + '/'
309
 
        # if the api for create_checkout changes to return different checkout types
310
 
        # then this file read will fail.
311
 
        self.assertFileEqual(reference_url, 'checkout/.bzr/branch/location')
312
 
        self.assertEqual(reference_url,
313
 
            _mod_branch.BranchReferenceFormat().get_reference(checkout.bzrdir))
314
 
 
315
 
 
316
 
class TestHooks(TestCase):
317
 
 
318
 
    def test_constructor(self):
319
 
        """Check that creating a BranchHooks instance has the right defaults."""
320
 
        hooks = BranchHooks()
321
 
        self.assertTrue("set_rh" in hooks, "set_rh not in %s" % hooks)
322
 
        self.assertTrue("post_push" in hooks, "post_push not in %s" % hooks)
323
 
        self.assertTrue("post_commit" in hooks, "post_commit not in %s" % hooks)
324
 
        self.assertTrue("post_pull" in hooks, "post_pull not in %s" % hooks)
325
 
        self.assertTrue("post_uncommit" in hooks, "post_uncommit not in %s" % hooks)
326
 
 
327
 
    def test_installed_hooks_are_BranchHooks(self):
328
 
        """The installed hooks object should be a BranchHooks."""
329
 
        # the installed hooks are saved in self._preserved_hooks.
330
 
        self.assertIsInstance(self._preserved_hooks[_mod_branch.Branch], BranchHooks)
331
 
 
332
 
 
333
 
class TestPullResult(TestCase):
334
 
 
335
 
    def test_pull_result_to_int(self):
336
 
        # to support old code, the pull result can be used as an int
337
 
        r = PullResult()
338
 
        r.old_revno = 10
339
 
        r.new_revno = 20
340
 
        # this usage of results is not recommended for new code (because it
341
 
        # doesn't describe very well what happened), but for api stability
342
 
        # it's still supported
343
 
        a = "%d revisions pulled" % r
344
 
        self.assertEqual(a, "10 revisions pulled")