~bzr-pqm/bzr/bzr.dev

« back to all changes in this revision

Viewing changes to bzrlib/tests/test_workingtree.py

  • Committer: Martin Pool
  • Date: 2006-11-03 01:52:12 UTC
  • mto: This revision was merged to the branch mainline in revision 2119.
  • Revision ID: mbp@sourcefrog.net-20061103015212-1e5f881c2152d79f
Review comments

Show diffs side-by-side

added added

removed removed

Lines of Context:
 
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 ignores
 
22
import bzrlib
 
23
from bzrlib.branch import Branch
 
24
from bzrlib import bzrdir, conflicts, errors, workingtree
 
25
from bzrlib.bzrdir import BzrDir
 
26
from bzrlib.errors import NotBranchError, NotVersionedError
 
27
from bzrlib.lockdir import LockDir
 
28
from bzrlib.mutabletree import needs_tree_write_lock
 
29
from bzrlib.osutils import pathjoin, getcwd, has_symlinks
 
30
from bzrlib.tests import TestCase, TestCaseWithTransport, TestSkipped
 
31
from bzrlib.trace import mutter
 
32
from bzrlib.transport import get_transport
 
33
from bzrlib.workingtree import (
 
34
    TreeEntry,
 
35
    TreeDirectory,
 
36
    TreeFile,
 
37
    TreeLink,
 
38
    WorkingTree,
 
39
    )
 
40
 
 
41
class TestTreeDirectory(TestCaseWithTransport):
 
42
 
 
43
    def test_kind_character(self):
 
44
        self.assertEqual(TreeDirectory().kind_character(), '/')
 
45
 
 
46
 
 
47
class TestTreeEntry(TestCaseWithTransport):
 
48
 
 
49
    def test_kind_character(self):
 
50
        self.assertEqual(TreeEntry().kind_character(), '???')
 
51
 
 
52
 
 
53
class TestTreeFile(TestCaseWithTransport):
 
54
 
 
55
    def test_kind_character(self):
 
56
        self.assertEqual(TreeFile().kind_character(), '')
 
57
 
 
58
 
 
59
class TestTreeLink(TestCaseWithTransport):
 
60
 
 
61
    def test_kind_character(self):
 
62
        self.assertEqual(TreeLink().kind_character(), '')
 
63
 
 
64
 
 
65
class TestDefaultFormat(TestCaseWithTransport):
 
66
 
 
67
    def test_get_set_default_format(self):
 
68
        old_format = workingtree.WorkingTreeFormat.get_default_format()
 
69
        # default is 3
 
70
        self.assertTrue(isinstance(old_format, workingtree.WorkingTreeFormat3))
 
71
        workingtree.WorkingTreeFormat.set_default_format(SampleTreeFormat())
 
72
        try:
 
73
            # the default branch format is used by the meta dir format
 
74
            # which is not the default bzrdir format at this point
 
75
            dir = bzrdir.BzrDirMetaFormat1().initialize('.')
 
76
            dir.create_repository()
 
77
            dir.create_branch()
 
78
            result = dir.create_workingtree()
 
79
            self.assertEqual(result, 'A tree')
 
80
        finally:
 
81
            workingtree.WorkingTreeFormat.set_default_format(old_format)
 
82
        self.assertEqual(old_format, workingtree.WorkingTreeFormat.get_default_format())
 
83
 
 
84
 
 
85
class SampleTreeFormat(workingtree.WorkingTreeFormat):
 
86
    """A sample format
 
87
 
 
88
    this format is initializable, unsupported to aid in testing the 
 
89
    open and open_downlevel routines.
 
90
    """
 
91
 
 
92
    def get_format_string(self):
 
93
        """See WorkingTreeFormat.get_format_string()."""
 
94
        return "Sample tree format."
 
95
 
 
96
    def initialize(self, a_bzrdir, revision_id=None):
 
97
        """Sample branches cannot be created."""
 
98
        t = a_bzrdir.get_workingtree_transport(self)
 
99
        t.put_bytes('format', self.get_format_string())
 
100
        return 'A tree'
 
101
 
 
102
    def is_supported(self):
 
103
        return False
 
104
 
 
105
    def open(self, transport, _found=False):
 
106
        return "opened tree."
 
107
 
 
108
 
 
109
class TestWorkingTreeFormat(TestCaseWithTransport):
 
110
    """Tests for the WorkingTreeFormat facility."""
 
111
 
 
112
    def test_find_format(self):
 
113
        # is the right format object found for a working tree?
 
114
        # create a branch with a few known format objects.
 
115
        self.build_tree(["foo/", "bar/"])
 
116
        def check_format(format, url):
 
117
            dir = format._matchingbzrdir.initialize(url)
 
118
            dir.create_repository()
 
119
            dir.create_branch()
 
120
            format.initialize(dir)
 
121
            t = get_transport(url)
 
122
            found_format = workingtree.WorkingTreeFormat.find_format(dir)
 
123
            self.failUnless(isinstance(found_format, format.__class__))
 
124
        check_format(workingtree.WorkingTreeFormat3(), "bar")
 
125
        
 
126
    def test_find_format_no_tree(self):
 
127
        dir = bzrdir.BzrDirMetaFormat1().initialize('.')
 
128
        self.assertRaises(errors.NoWorkingTree,
 
129
                          workingtree.WorkingTreeFormat.find_format,
 
130
                          dir)
 
131
 
 
132
    def test_find_format_unknown_format(self):
 
133
        dir = bzrdir.BzrDirMetaFormat1().initialize('.')
 
134
        dir.create_repository()
 
135
        dir.create_branch()
 
136
        SampleTreeFormat().initialize(dir)
 
137
        self.assertRaises(errors.UnknownFormatError,
 
138
                          workingtree.WorkingTreeFormat.find_format,
 
139
                          dir)
 
140
 
 
141
    def test_register_unregister_format(self):
 
142
        format = SampleTreeFormat()
 
143
        # make a control dir
 
144
        dir = bzrdir.BzrDirMetaFormat1().initialize('.')
 
145
        dir.create_repository()
 
146
        dir.create_branch()
 
147
        # make a branch
 
148
        format.initialize(dir)
 
149
        # register a format for it.
 
150
        workingtree.WorkingTreeFormat.register_format(format)
 
151
        # which branch.Open will refuse (not supported)
 
152
        self.assertRaises(errors.UnsupportedFormatError, workingtree.WorkingTree.open, '.')
 
153
        # but open_downlevel will work
 
154
        self.assertEqual(format.open(dir), workingtree.WorkingTree.open_downlevel('.'))
 
155
        # unregister the format
 
156
        workingtree.WorkingTreeFormat.unregister_format(format)
 
157
 
 
158
 
 
159
class TestWorkingTreeFormat3(TestCaseWithTransport):
 
160
    """Tests specific to WorkingTreeFormat3."""
 
161
 
 
162
    def test_disk_layout(self):
 
163
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
164
        control.create_repository()
 
165
        control.create_branch()
 
166
        tree = workingtree.WorkingTreeFormat3().initialize(control)
 
167
        # we want:
 
168
        # format 'Bazaar-NG Working Tree format 3'
 
169
        # inventory = blank inventory
 
170
        # pending-merges = ''
 
171
        # stat-cache = ??
 
172
        # no inventory.basis yet
 
173
        t = control.get_workingtree_transport(None)
 
174
        self.assertEqualDiff('Bazaar-NG Working Tree format 3',
 
175
                             t.get('format').read())
 
176
        # self.assertContainsRe(t.get('inventory').read(), 
 
177
        #                       '<inventory file_id="[^"]*" format="5">\n'
 
178
        #                       '</inventory>\n',
 
179
        #                      )
 
180
        # WorkingTreeFormat3 doesn't default to creating a unique root id,
 
181
        # because it is incompatible with older bzr versions
 
182
        self.assertContainsRe(t.get('inventory').read(),
 
183
                              '<inventory format="5">\n'
 
184
                              '</inventory>\n',
 
185
                             )
 
186
        self.assertEqualDiff('### bzr hashcache v5\n',
 
187
                             t.get('stat-cache').read())
 
188
        self.assertFalse(t.has('inventory.basis'))
 
189
        # no last-revision file means 'None' or 'NULLREVISION'
 
190
        self.assertFalse(t.has('last-revision'))
 
191
        # TODO RBC 20060210 do a commit, check the inventory.basis is created 
 
192
        # correctly and last-revision file becomes present.
 
193
 
 
194
    def test_uses_lockdir(self):
 
195
        """WorkingTreeFormat3 uses its own LockDir:
 
196
            
 
197
            - lock is a directory
 
198
            - when the WorkingTree is locked, LockDir can see that
 
199
        """
 
200
        t = self.get_transport()
 
201
        url = self.get_url()
 
202
        dir = bzrdir.BzrDirMetaFormat1().initialize(url)
 
203
        repo = dir.create_repository()
 
204
        branch = dir.create_branch()
 
205
        try:
 
206
            tree = workingtree.WorkingTreeFormat3().initialize(dir)
 
207
        except errors.NotLocalUrl:
 
208
            raise TestSkipped('Not a local URL')
 
209
        self.assertIsDirectory('.bzr', t)
 
210
        self.assertIsDirectory('.bzr/checkout', t)
 
211
        self.assertIsDirectory('.bzr/checkout/lock', t)
 
212
        our_lock = LockDir(t, '.bzr/checkout/lock')
 
213
        self.assertEquals(our_lock.peek(), None)
 
214
        tree.lock_write()
 
215
        self.assertTrue(our_lock.peek())
 
216
        tree.unlock()
 
217
        self.assertEquals(our_lock.peek(), None)
 
218
 
 
219
    def test_missing_pending_merges(self):
 
220
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
221
        control.create_repository()
 
222
        control.create_branch()
 
223
        tree = workingtree.WorkingTreeFormat3().initialize(control)
 
224
        tree._control_files._transport.delete("pending-merges")
 
225
        self.assertEqual([], tree.get_parent_ids())
 
226
 
 
227
 
 
228
class TestFormat2WorkingTree(TestCaseWithTransport):
 
229
    """Tests that are specific to format 2 trees."""
 
230
 
 
231
    def create_format2_tree(self, url):
 
232
        return self.make_branch_and_tree(
 
233
            url, format=bzrlib.bzrdir.BzrDirFormat6())
 
234
 
 
235
    def test_conflicts(self):
 
236
        # test backwards compatability
 
237
        tree = self.create_format2_tree('.')
 
238
        self.assertRaises(errors.UnsupportedOperation, tree.set_conflicts,
 
239
                          None)
 
240
        file('lala.BASE', 'wb').write('labase')
 
241
        expected = conflicts.ContentsConflict('lala')
 
242
        self.assertEqual(list(tree.conflicts()), [expected])
 
243
        file('lala', 'wb').write('la')
 
244
        tree.add('lala', 'lala-id')
 
245
        expected = conflicts.ContentsConflict('lala', file_id='lala-id')
 
246
        self.assertEqual(list(tree.conflicts()), [expected])
 
247
        file('lala.THIS', 'wb').write('lathis')
 
248
        file('lala.OTHER', 'wb').write('laother')
 
249
        # When "text conflict"s happen, stem, THIS and OTHER are text
 
250
        expected = conflicts.TextConflict('lala', file_id='lala-id')
 
251
        self.assertEqual(list(tree.conflicts()), [expected])
 
252
        os.unlink('lala.OTHER')
 
253
        os.mkdir('lala.OTHER')
 
254
        expected = conflicts.ContentsConflict('lala', file_id='lala-id')
 
255
        self.assertEqual(list(tree.conflicts()), [expected])
 
256
 
 
257
 
 
258
class TestNonFormatSpecificCode(TestCaseWithTransport):
 
259
    """This class contains tests of workingtree that are not format specific."""
 
260
 
 
261
    
 
262
    def test_gen_file_id(self):
 
263
        gen_file_id = bzrlib.workingtree.gen_file_id
 
264
 
 
265
        # We try to use the filename if possible
 
266
        self.assertStartsWith(gen_file_id('bar'), 'bar-')
 
267
 
 
268
        # but we squash capitalization, and remove non word characters
 
269
        self.assertStartsWith(gen_file_id('Mwoo oof\t m'), 'mwoooofm-')
 
270
 
 
271
        # We also remove leading '.' characters to prevent hidden file-ids
 
272
        self.assertStartsWith(gen_file_id('..gam.py'), 'gam.py-')
 
273
        self.assertStartsWith(gen_file_id('..Mwoo oof\t m'), 'mwoooofm-')
 
274
 
 
275
        # we remove unicode characters, and still don't end up with a 
 
276
        # hidden file id
 
277
        self.assertStartsWith(gen_file_id(u'\xe5\xb5.txt'), 'txt-')
 
278
        
 
279
        # Our current method of generating unique ids adds 33 characters
 
280
        # plus an serial number (log10(N) characters)
 
281
        # to the end of the filename. We now restrict the filename portion to
 
282
        # be <= 20 characters, so the maximum length should now be approx < 60
 
283
 
 
284
        # Test both case squashing and length restriction
 
285
        fid = gen_file_id('A'*50 + '.txt')
 
286
        self.assertStartsWith(fid, 'a'*20 + '-')
 
287
        self.failUnless(len(fid) < 60)
 
288
 
 
289
        # restricting length happens after the other actions, so
 
290
        # we preserve as much as possible
 
291
        fid = gen_file_id('\xe5\xb5..aBcd\tefGhijKLMnop\tqrstuvwxyz')
 
292
        self.assertStartsWith(fid, 'abcdefghijklmnopqrst-')
 
293
        self.failUnless(len(fid) < 60)
 
294
 
 
295
    def test_next_id_suffix(self):
 
296
        bzrlib.workingtree._gen_id_suffix = None
 
297
        bzrlib.workingtree._next_id_suffix()
 
298
        self.assertNotEqual(None, bzrlib.workingtree._gen_id_suffix)
 
299
        bzrlib.workingtree._gen_id_suffix = "foo-"
 
300
        bzrlib.workingtree._gen_id_serial = 1
 
301
        self.assertEqual("foo-2", bzrlib.workingtree._next_id_suffix())
 
302
        self.assertEqual("foo-3", bzrlib.workingtree._next_id_suffix())
 
303
        self.assertEqual("foo-4", bzrlib.workingtree._next_id_suffix())
 
304
        self.assertEqual("foo-5", bzrlib.workingtree._next_id_suffix())
 
305
        self.assertEqual("foo-6", bzrlib.workingtree._next_id_suffix())
 
306
        self.assertEqual("foo-7", bzrlib.workingtree._next_id_suffix())
 
307
        self.assertEqual("foo-8", bzrlib.workingtree._next_id_suffix())
 
308
        self.assertEqual("foo-9", bzrlib.workingtree._next_id_suffix())
 
309
        self.assertEqual("foo-10", bzrlib.workingtree._next_id_suffix())
 
310
 
 
311
    def test__translate_ignore_rule(self):
 
312
        tree = self.make_branch_and_tree('.')
 
313
        # translation should return the regex, the number of groups in it,
 
314
        # and the original rule in a tuple.
 
315
        # there are three sorts of ignore rules:
 
316
        # root only - regex is the rule itself without the leading ./
 
317
        self.assertEqual(
 
318
            "(rootdirrule$)", 
 
319
            tree._translate_ignore_rule("./rootdirrule"))
 
320
        # full path - regex is the rule itself
 
321
        self.assertEqual(
 
322
            "(path\\/to\\/file$)",
 
323
            tree._translate_ignore_rule("path/to/file"))
 
324
        # basename only rule - regex is a rule that ignores everything up
 
325
        # to the last / in the filename
 
326
        self.assertEqual(
 
327
            "((?:.*/)?(?!.*/)basenamerule$)",
 
328
            tree._translate_ignore_rule("basenamerule"))
 
329
 
 
330
    def test__combine_ignore_rules(self):
 
331
        tree = self.make_branch_and_tree('.')
 
332
        # the combined ignore regexs need the outer group indices
 
333
        # placed in a dictionary with the rules that were combined.
 
334
        # an empty set of rules
 
335
        # this is returned as a list of combined regex,rule sets, because
 
336
        # python has a limit of 100 combined regexes.
 
337
        compiled_rules = tree._combine_ignore_rules([])
 
338
        self.assertEqual([], compiled_rules)
 
339
        # one of each type of rule.
 
340
        compiled_rules = tree._combine_ignore_rules(
 
341
            ["rule1", "rule/two", "./three"])[0]
 
342
        # what type *is* the compiled regex to do an isinstance of ?
 
343
        self.assertEqual(3, compiled_rules[0].groups)
 
344
        self.assertEqual(
 
345
            {0:"rule1",1:"rule/two",2:"./three"},
 
346
            compiled_rules[1])
 
347
 
 
348
    def test__combine_ignore_rules_grouping(self):
 
349
        tree = self.make_branch_and_tree('.')
 
350
        # when there are too many rules, the output is split into groups of 100
 
351
        rules = []
 
352
        for index in range(198):
 
353
            rules.append('foo')
 
354
        self.assertEqual(2, len(tree._combine_ignore_rules(rules)))
 
355
 
 
356
    def test__get_ignore_rules_as_regex(self):
 
357
        tree = self.make_branch_and_tree('.')
 
358
        # Setup the default ignore list to be empty
 
359
        ignores._set_user_ignores([])
 
360
 
 
361
        # some plugins (shelf) modifies the DEFAULT_IGNORE list in memory
 
362
        # which causes this test to fail so force the DEFAULT_IGNORE
 
363
        # list to be empty
 
364
        orig_default = bzrlib.DEFAULT_IGNORE
 
365
        # Also make sure the runtime ignore list is empty
 
366
        orig_runtime = ignores._runtime_ignores
 
367
        try:
 
368
            bzrlib.DEFAULT_IGNORE = []
 
369
            ignores._runtime_ignores = set()
 
370
 
 
371
            self.build_tree_contents([('.bzrignore', 'CVS\n.hg\n')])
 
372
            reference_output = tree._combine_ignore_rules(
 
373
                                    set(['CVS', '.hg']))[0]
 
374
            regex_rules = tree._get_ignore_rules_as_regex()[0]
 
375
            self.assertEqual(len(reference_output[1]), regex_rules[0].groups)
 
376
            self.assertEqual(reference_output[1], regex_rules[1])
 
377
        finally:
 
378
            bzrlib.DEFAULT_IGNORE = orig_default
 
379
            ignores._runtime_ignores = orig_runtime
 
380
 
 
381
 
 
382
class InstrumentedTree(object):
 
383
    """A instrumented tree to check the needs_tree_write_lock decorator."""
 
384
 
 
385
    def __init__(self):
 
386
        self._locks = []
 
387
 
 
388
    def lock_tree_write(self):
 
389
        self._locks.append('t')
 
390
 
 
391
    @needs_tree_write_lock
 
392
    def method_with_tree_write_lock(self, *args, **kwargs):
 
393
        """A lock_tree_write decorated method that returns its arguments."""
 
394
        return args, kwargs
 
395
 
 
396
    @needs_tree_write_lock
 
397
    def method_that_raises(self):
 
398
        """This method causes an exception when called with parameters.
 
399
        
 
400
        This allows the decorator code to be checked - it should still call
 
401
        unlock.
 
402
        """
 
403
 
 
404
    def unlock(self):
 
405
        self._locks.append('u')
 
406
 
 
407
 
 
408
class TestInstrumentedTree(TestCase):
 
409
 
 
410
    def test_needs_tree_write_lock(self):
 
411
        """@needs_tree_write_lock should be semantically transparent."""
 
412
        tree = InstrumentedTree()
 
413
        self.assertEqual(
 
414
            'method_with_tree_write_lock',
 
415
            tree.method_with_tree_write_lock.__name__)
 
416
        self.assertEqual(
 
417
            "A lock_tree_write decorated method that returns its arguments.",
 
418
            tree.method_with_tree_write_lock.__doc__)
 
419
        args = (1, 2, 3)
 
420
        kwargs = {'a':'b'}
 
421
        result = tree.method_with_tree_write_lock(1,2,3, a='b')
 
422
        self.assertEqual((args, kwargs), result)
 
423
        self.assertEqual(['t', 'u'], tree._locks)
 
424
        self.assertRaises(TypeError, tree.method_that_raises, 'foo')
 
425
        self.assertEqual(['t', 'u', 't', 'u'], tree._locks)