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Viewing changes to bzrlib/tests/test_branch.py

  • Committer: Martin Pool
  • Date: 2005-07-29 19:53:21 UTC
  • Revision ID: mbp@sourcefrog.net-20050729195321-6d9eef1a43dd6c81
- notes from discussion on splitting and joining files

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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")