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Viewing changes to bzrlib/tests/test_workingtree.py

  • Committer: Martin Pool
  • Date: 2005-06-22 06:37:43 UTC
  • Revision ID: mbp@sourcefrog.net-20050622063743-e395f04c4db8977f
- move old blackbox code from testbzr into bzrlib.selftest.blackbox

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1
 
# Copyright (C) 2005, 2006 Canonical Ltd
2
 
# Authors:  Robert Collins <robert.collins@canonical.com>
3
 
#
4
 
# This program is free software; you can redistribute it and/or modify
5
 
# it under the terms of the GNU General Public License as published by
6
 
# the Free Software Foundation; either version 2 of the License, or
7
 
# (at your option) any later version.
8
 
#
9
 
# This program is distributed in the hope that it will be useful,
10
 
# but WITHOUT ANY WARRANTY; without even the implied warranty of
11
 
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12
 
# GNU General Public License for more details.
13
 
#
14
 
# You should have received a copy of the GNU General Public License
15
 
# along with this program; if not, write to the Free Software
16
 
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
17
 
 
18
 
from cStringIO import StringIO
19
 
import os
20
 
 
21
 
from bzrlib import (
22
 
    bzrdir,
23
 
    conflicts,
24
 
    errors,
25
 
    workingtree,
26
 
    )
27
 
from bzrlib.branch import Branch
28
 
from bzrlib.bzrdir import BzrDir
29
 
from bzrlib.lockdir import LockDir
30
 
from bzrlib.mutabletree import needs_tree_write_lock
31
 
from bzrlib.symbol_versioning import zero_thirteen
32
 
from bzrlib.tests import TestCase, TestCaseWithTransport, TestSkipped
33
 
from bzrlib.transport import get_transport
34
 
from bzrlib.workingtree import (
35
 
    TreeEntry,
36
 
    TreeDirectory,
37
 
    TreeFile,
38
 
    TreeLink,
39
 
    )
40
 
 
41
 
 
42
 
class TestTreeDirectory(TestCaseWithTransport):
43
 
 
44
 
    def test_kind_character(self):
45
 
        self.assertEqual(TreeDirectory().kind_character(), '/')
46
 
 
47
 
 
48
 
class TestTreeEntry(TestCaseWithTransport):
49
 
 
50
 
    def test_kind_character(self):
51
 
        self.assertEqual(TreeEntry().kind_character(), '???')
52
 
 
53
 
 
54
 
class TestTreeFile(TestCaseWithTransport):
55
 
 
56
 
    def test_kind_character(self):
57
 
        self.assertEqual(TreeFile().kind_character(), '')
58
 
 
59
 
 
60
 
class TestTreeLink(TestCaseWithTransport):
61
 
 
62
 
    def test_kind_character(self):
63
 
        self.assertEqual(TreeLink().kind_character(), '')
64
 
 
65
 
 
66
 
class TestDefaultFormat(TestCaseWithTransport):
67
 
 
68
 
    def test_get_set_default_format(self):
69
 
        old_format = workingtree.WorkingTreeFormat.get_default_format()
70
 
        # default is 3
71
 
        self.assertTrue(isinstance(old_format, workingtree.WorkingTreeFormat3))
72
 
        workingtree.WorkingTreeFormat.set_default_format(SampleTreeFormat())
73
 
        try:
74
 
            # the default branch format is used by the meta dir format
75
 
            # which is not the default bzrdir format at this point
76
 
            dir = bzrdir.BzrDirMetaFormat1().initialize('.')
77
 
            dir.create_repository()
78
 
            dir.create_branch()
79
 
            result = dir.create_workingtree()
80
 
            self.assertEqual(result, 'A tree')
81
 
        finally:
82
 
            workingtree.WorkingTreeFormat.set_default_format(old_format)
83
 
        self.assertEqual(old_format, workingtree.WorkingTreeFormat.get_default_format())
84
 
 
85
 
 
86
 
class SampleTreeFormat(workingtree.WorkingTreeFormat):
87
 
    """A sample format
88
 
 
89
 
    this format is initializable, unsupported to aid in testing the 
90
 
    open and open_downlevel routines.
91
 
    """
92
 
 
93
 
    def get_format_string(self):
94
 
        """See WorkingTreeFormat.get_format_string()."""
95
 
        return "Sample tree format."
96
 
 
97
 
    def initialize(self, a_bzrdir, revision_id=None):
98
 
        """Sample branches cannot be created."""
99
 
        t = a_bzrdir.get_workingtree_transport(self)
100
 
        t.put_bytes('format', self.get_format_string())
101
 
        return 'A tree'
102
 
 
103
 
    def is_supported(self):
104
 
        return False
105
 
 
106
 
    def open(self, transport, _found=False):
107
 
        return "opened tree."
108
 
 
109
 
 
110
 
class TestWorkingTreeFormat(TestCaseWithTransport):
111
 
    """Tests for the WorkingTreeFormat facility."""
112
 
 
113
 
    def test_find_format(self):
114
 
        # is the right format object found for a working tree?
115
 
        # create a branch with a few known format objects.
116
 
        self.build_tree(["foo/", "bar/"])
117
 
        def check_format(format, url):
118
 
            dir = format._matchingbzrdir.initialize(url)
119
 
            dir.create_repository()
120
 
            dir.create_branch()
121
 
            format.initialize(dir)
122
 
            t = get_transport(url)
123
 
            found_format = workingtree.WorkingTreeFormat.find_format(dir)
124
 
            self.failUnless(isinstance(found_format, format.__class__))
125
 
        check_format(workingtree.WorkingTreeFormat3(), "bar")
126
 
        
127
 
    def test_find_format_no_tree(self):
128
 
        dir = bzrdir.BzrDirMetaFormat1().initialize('.')
129
 
        self.assertRaises(errors.NoWorkingTree,
130
 
                          workingtree.WorkingTreeFormat.find_format,
131
 
                          dir)
132
 
 
133
 
    def test_find_format_unknown_format(self):
134
 
        dir = bzrdir.BzrDirMetaFormat1().initialize('.')
135
 
        dir.create_repository()
136
 
        dir.create_branch()
137
 
        SampleTreeFormat().initialize(dir)
138
 
        self.assertRaises(errors.UnknownFormatError,
139
 
                          workingtree.WorkingTreeFormat.find_format,
140
 
                          dir)
141
 
 
142
 
    def test_register_unregister_format(self):
143
 
        format = SampleTreeFormat()
144
 
        # make a control dir
145
 
        dir = bzrdir.BzrDirMetaFormat1().initialize('.')
146
 
        dir.create_repository()
147
 
        dir.create_branch()
148
 
        # make a branch
149
 
        format.initialize(dir)
150
 
        # register a format for it.
151
 
        workingtree.WorkingTreeFormat.register_format(format)
152
 
        # which branch.Open will refuse (not supported)
153
 
        self.assertRaises(errors.UnsupportedFormatError, workingtree.WorkingTree.open, '.')
154
 
        # but open_downlevel will work
155
 
        self.assertEqual(format.open(dir), workingtree.WorkingTree.open_downlevel('.'))
156
 
        # unregister the format
157
 
        workingtree.WorkingTreeFormat.unregister_format(format)
158
 
 
159
 
 
160
 
class TestWorkingTreeFormat3(TestCaseWithTransport):
161
 
    """Tests specific to WorkingTreeFormat3."""
162
 
 
163
 
    def test_disk_layout(self):
164
 
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
165
 
        control.create_repository()
166
 
        control.create_branch()
167
 
        tree = workingtree.WorkingTreeFormat3().initialize(control)
168
 
        # we want:
169
 
        # format 'Bazaar-NG Working Tree format 3'
170
 
        # inventory = blank inventory
171
 
        # pending-merges = ''
172
 
        # stat-cache = ??
173
 
        # no inventory.basis yet
174
 
        t = control.get_workingtree_transport(None)
175
 
        self.assertEqualDiff('Bazaar-NG Working Tree format 3',
176
 
                             t.get('format').read())
177
 
        self.assertEqualDiff(t.get('inventory').read(), 
178
 
                              '<inventory format="5">\n'
179
 
                              '</inventory>\n',
180
 
                             )
181
 
        self.assertEqualDiff('### bzr hashcache v5\n',
182
 
                             t.get('stat-cache').read())
183
 
        self.assertFalse(t.has('inventory.basis'))
184
 
        # no last-revision file means 'None' or 'NULLREVISION'
185
 
        self.assertFalse(t.has('last-revision'))
186
 
        # TODO RBC 20060210 do a commit, check the inventory.basis is created 
187
 
        # correctly and last-revision file becomes present.
188
 
 
189
 
    def test_uses_lockdir(self):
190
 
        """WorkingTreeFormat3 uses its own LockDir:
191
 
            
192
 
            - lock is a directory
193
 
            - when the WorkingTree is locked, LockDir can see that
194
 
        """
195
 
        t = self.get_transport()
196
 
        url = self.get_url()
197
 
        dir = bzrdir.BzrDirMetaFormat1().initialize(url)
198
 
        repo = dir.create_repository()
199
 
        branch = dir.create_branch()
200
 
        try:
201
 
            tree = workingtree.WorkingTreeFormat3().initialize(dir)
202
 
        except errors.NotLocalUrl:
203
 
            raise TestSkipped('Not a local URL')
204
 
        self.assertIsDirectory('.bzr', t)
205
 
        self.assertIsDirectory('.bzr/checkout', t)
206
 
        self.assertIsDirectory('.bzr/checkout/lock', t)
207
 
        our_lock = LockDir(t, '.bzr/checkout/lock')
208
 
        self.assertEquals(our_lock.peek(), None)
209
 
        tree.lock_write()
210
 
        self.assertTrue(our_lock.peek())
211
 
        tree.unlock()
212
 
        self.assertEquals(our_lock.peek(), None)
213
 
 
214
 
    def test_missing_pending_merges(self):
215
 
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
216
 
        control.create_repository()
217
 
        control.create_branch()
218
 
        tree = workingtree.WorkingTreeFormat3().initialize(control)
219
 
        tree._control_files._transport.delete("pending-merges")
220
 
        self.assertEqual([], tree.get_parent_ids())
221
 
 
222
 
 
223
 
class TestFormat2WorkingTree(TestCaseWithTransport):
224
 
    """Tests that are specific to format 2 trees."""
225
 
 
226
 
    def create_format2_tree(self, url):
227
 
        return self.make_branch_and_tree(
228
 
            url, format=bzrdir.BzrDirFormat6())
229
 
 
230
 
    def test_conflicts(self):
231
 
        # test backwards compatability
232
 
        tree = self.create_format2_tree('.')
233
 
        self.assertRaises(errors.UnsupportedOperation, tree.set_conflicts,
234
 
                          None)
235
 
        file('lala.BASE', 'wb').write('labase')
236
 
        expected = conflicts.ContentsConflict('lala')
237
 
        self.assertEqual(list(tree.conflicts()), [expected])
238
 
        file('lala', 'wb').write('la')
239
 
        tree.add('lala', 'lala-id')
240
 
        expected = conflicts.ContentsConflict('lala', file_id='lala-id')
241
 
        self.assertEqual(list(tree.conflicts()), [expected])
242
 
        file('lala.THIS', 'wb').write('lathis')
243
 
        file('lala.OTHER', 'wb').write('laother')
244
 
        # When "text conflict"s happen, stem, THIS and OTHER are text
245
 
        expected = conflicts.TextConflict('lala', file_id='lala-id')
246
 
        self.assertEqual(list(tree.conflicts()), [expected])
247
 
        os.unlink('lala.OTHER')
248
 
        os.mkdir('lala.OTHER')
249
 
        expected = conflicts.ContentsConflict('lala', file_id='lala-id')
250
 
        self.assertEqual(list(tree.conflicts()), [expected])
251
 
 
252
 
 
253
 
class TestNonFormatSpecificCode(TestCaseWithTransport):
254
 
    """This class contains tests of workingtree that are not format specific."""
255
 
 
256
 
    def test_gen_file_id(self):
257
 
        file_id = self.applyDeprecated(zero_thirteen, workingtree.gen_file_id,
258
 
                                      'filename')
259
 
        self.assertStartsWith(file_id, 'filename-')
260
 
 
261
 
    def test_gen_root_id(self):
262
 
        file_id = self.applyDeprecated(zero_thirteen, workingtree.gen_root_id)
263
 
        self.assertStartsWith(file_id, 'tree_root-')
264
 
        
265
 
 
266
 
class InstrumentedTree(object):
267
 
    """A instrumented tree to check the needs_tree_write_lock decorator."""
268
 
 
269
 
    def __init__(self):
270
 
        self._locks = []
271
 
 
272
 
    def lock_tree_write(self):
273
 
        self._locks.append('t')
274
 
 
275
 
    @needs_tree_write_lock
276
 
    def method_with_tree_write_lock(self, *args, **kwargs):
277
 
        """A lock_tree_write decorated method that returns its arguments."""
278
 
        return args, kwargs
279
 
 
280
 
    @needs_tree_write_lock
281
 
    def method_that_raises(self):
282
 
        """This method causes an exception when called with parameters.
283
 
        
284
 
        This allows the decorator code to be checked - it should still call
285
 
        unlock.
286
 
        """
287
 
 
288
 
    def unlock(self):
289
 
        self._locks.append('u')
290
 
 
291
 
 
292
 
class TestInstrumentedTree(TestCase):
293
 
 
294
 
    def test_needs_tree_write_lock(self):
295
 
        """@needs_tree_write_lock should be semantically transparent."""
296
 
        tree = InstrumentedTree()
297
 
        self.assertEqual(
298
 
            'method_with_tree_write_lock',
299
 
            tree.method_with_tree_write_lock.__name__)
300
 
        self.assertEqual(
301
 
            "A lock_tree_write decorated method that returns its arguments.",
302
 
            tree.method_with_tree_write_lock.__doc__)
303
 
        args = (1, 2, 3)
304
 
        kwargs = {'a':'b'}
305
 
        result = tree.method_with_tree_write_lock(1,2,3, a='b')
306
 
        self.assertEqual((args, kwargs), result)
307
 
        self.assertEqual(['t', 'u'], tree._locks)
308
 
        self.assertRaises(TypeError, tree.method_that_raises, 'foo')
309
 
        self.assertEqual(['t', 'u', 't', 'u'], tree._locks)
310
 
 
311
 
 
312
 
class TestAutoResolve(TestCaseWithTransport):
313
 
 
314
 
    def test_auto_resolve(self):
315
 
        base = self.make_branch_and_tree('base')
316
 
        self.build_tree_contents([('base/hello', 'Hello')])
317
 
        base.add('hello', 'hello_id')
318
 
        base.commit('Hello')
319
 
        other = base.bzrdir.sprout('other').open_workingtree()
320
 
        self.build_tree_contents([('other/hello', 'hELLO')])
321
 
        other.commit('Case switch')
322
 
        this = base.bzrdir.sprout('this').open_workingtree()
323
 
        self.failUnlessExists('this/hello')
324
 
        self.build_tree_contents([('this/hello', 'Hello World')])
325
 
        this.commit('Add World')
326
 
        this.merge_from_branch(other.branch)
327
 
        self.assertEqual([conflicts.TextConflict('hello', None, 'hello_id')],
328
 
                         this.conflicts())
329
 
        this.auto_resolve()
330
 
        self.assertEqual([conflicts.TextConflict('hello', None, 'hello_id')],
331
 
                         this.conflicts())
332
 
        self.build_tree_contents([('this/hello', '<<<<<<<')])
333
 
        this.auto_resolve()
334
 
        self.assertEqual([conflicts.TextConflict('hello', None, 'hello_id')],
335
 
                         this.conflicts())
336
 
        self.build_tree_contents([('this/hello', '=======')])
337
 
        this.auto_resolve()
338
 
        self.assertEqual([conflicts.TextConflict('hello', None, 'hello_id')],
339
 
                         this.conflicts())
340
 
        self.build_tree_contents([('this/hello', '\n>>>>>>>')])
341
 
        remaining, resolved = this.auto_resolve()
342
 
        self.assertEqual([conflicts.TextConflict('hello', None, 'hello_id')],
343
 
                         this.conflicts())
344
 
        self.assertEqual([], resolved)
345
 
        self.build_tree_contents([('this/hello', 'hELLO wORLD')])
346
 
        remaining, resolved = this.auto_resolve()
347
 
        self.assertEqual([], this.conflicts())
348
 
        self.assertEqual([conflicts.TextConflict('hello', None, 'hello_id')],
349
 
                         resolved)
350
 
        self.failIfExists('this/hello.BASE')
351
 
 
352
 
    def test_auto_resolve_dir(self):
353
 
        tree = self.make_branch_and_tree('tree')
354
 
        self.build_tree(['tree/hello/'])
355
 
        tree.add('hello', 'hello-id')
356
 
        file_conflict = conflicts.TextConflict('file', None, 'hello-id')
357
 
        tree.set_conflicts(conflicts.ConflictList([file_conflict]))
358
 
        tree.auto_resolve()