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Viewing changes to bzrlib/tests/test_workingtree.py

  • Committer: Martin Pool
  • Date: 2005-05-03 08:00:27 UTC
  • Revision ID: mbp@sourcefrog.net-20050503080027-908edb5b39982198
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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 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.osutils import pathjoin, getcwd, has_symlinks
29
 
from bzrlib.tests import TestCaseWithTransport, TestSkipped
30
 
from bzrlib.trace import mutter
31
 
from bzrlib.transport import get_transport
32
 
from bzrlib.workingtree import (TreeEntry, TreeDirectory, TreeFile, TreeLink,
33
 
                                WorkingTree)
34
 
 
35
 
class TestTreeDirectory(TestCaseWithTransport):
36
 
 
37
 
    def test_kind_character(self):
38
 
        self.assertEqual(TreeDirectory().kind_character(), '/')
39
 
 
40
 
 
41
 
class TestTreeEntry(TestCaseWithTransport):
42
 
 
43
 
    def test_kind_character(self):
44
 
        self.assertEqual(TreeEntry().kind_character(), '???')
45
 
 
46
 
 
47
 
class TestTreeFile(TestCaseWithTransport):
48
 
 
49
 
    def test_kind_character(self):
50
 
        self.assertEqual(TreeFile().kind_character(), '')
51
 
 
52
 
 
53
 
class TestTreeLink(TestCaseWithTransport):
54
 
 
55
 
    def test_kind_character(self):
56
 
        self.assertEqual(TreeLink().kind_character(), '')
57
 
 
58
 
 
59
 
class TestDefaultFormat(TestCaseWithTransport):
60
 
 
61
 
    def test_get_set_default_format(self):
62
 
        old_format = workingtree.WorkingTreeFormat.get_default_format()
63
 
        # default is 3
64
 
        self.assertTrue(isinstance(old_format, workingtree.WorkingTreeFormat3))
65
 
        workingtree.WorkingTreeFormat.set_default_format(SampleTreeFormat())
66
 
        try:
67
 
            # the default branch format is used by the meta dir format
68
 
            # which is not the default bzrdir format at this point
69
 
            dir = bzrdir.BzrDirMetaFormat1().initialize('.')
70
 
            dir.create_repository()
71
 
            dir.create_branch()
72
 
            result = dir.create_workingtree()
73
 
            self.assertEqual(result, 'A tree')
74
 
        finally:
75
 
            workingtree.WorkingTreeFormat.set_default_format(old_format)
76
 
        self.assertEqual(old_format, workingtree.WorkingTreeFormat.get_default_format())
77
 
 
78
 
 
79
 
class SampleTreeFormat(workingtree.WorkingTreeFormat):
80
 
    """A sample format
81
 
 
82
 
    this format is initializable, unsupported to aid in testing the 
83
 
    open and open_downlevel routines.
84
 
    """
85
 
 
86
 
    def get_format_string(self):
87
 
        """See WorkingTreeFormat.get_format_string()."""
88
 
        return "Sample tree format."
89
 
 
90
 
    def initialize(self, a_bzrdir, revision_id=None):
91
 
        """Sample branches cannot be created."""
92
 
        t = a_bzrdir.get_workingtree_transport(self)
93
 
        t.put('format', StringIO(self.get_format_string()))
94
 
        return 'A tree'
95
 
 
96
 
    def is_supported(self):
97
 
        return False
98
 
 
99
 
    def open(self, transport, _found=False):
100
 
        return "opened tree."
101
 
 
102
 
 
103
 
class TestWorkingTreeFormat(TestCaseWithTransport):
104
 
    """Tests for the WorkingTreeFormat facility."""
105
 
 
106
 
    def test_find_format(self):
107
 
        # is the right format object found for a working tree?
108
 
        # create a branch with a few known format objects.
109
 
        self.build_tree(["foo/", "bar/"])
110
 
        def check_format(format, url):
111
 
            dir = format._matchingbzrdir.initialize(url)
112
 
            dir.create_repository()
113
 
            dir.create_branch()
114
 
            format.initialize(dir)
115
 
            t = get_transport(url)
116
 
            found_format = workingtree.WorkingTreeFormat.find_format(dir)
117
 
            self.failUnless(isinstance(found_format, format.__class__))
118
 
        check_format(workingtree.WorkingTreeFormat3(), "bar")
119
 
        
120
 
    def test_find_format_no_tree(self):
121
 
        dir = bzrdir.BzrDirMetaFormat1().initialize('.')
122
 
        self.assertRaises(errors.NoWorkingTree,
123
 
                          workingtree.WorkingTreeFormat.find_format,
124
 
                          dir)
125
 
 
126
 
    def test_find_format_unknown_format(self):
127
 
        dir = bzrdir.BzrDirMetaFormat1().initialize('.')
128
 
        dir.create_repository()
129
 
        dir.create_branch()
130
 
        SampleTreeFormat().initialize(dir)
131
 
        self.assertRaises(errors.UnknownFormatError,
132
 
                          workingtree.WorkingTreeFormat.find_format,
133
 
                          dir)
134
 
 
135
 
    def test_register_unregister_format(self):
136
 
        format = SampleTreeFormat()
137
 
        # make a control dir
138
 
        dir = bzrdir.BzrDirMetaFormat1().initialize('.')
139
 
        dir.create_repository()
140
 
        dir.create_branch()
141
 
        # make a branch
142
 
        format.initialize(dir)
143
 
        # register a format for it.
144
 
        workingtree.WorkingTreeFormat.register_format(format)
145
 
        # which branch.Open will refuse (not supported)
146
 
        self.assertRaises(errors.UnsupportedFormatError, workingtree.WorkingTree.open, '.')
147
 
        # but open_downlevel will work
148
 
        self.assertEqual(format.open(dir), workingtree.WorkingTree.open_downlevel('.'))
149
 
        # unregister the format
150
 
        workingtree.WorkingTreeFormat.unregister_format(format)
151
 
 
152
 
 
153
 
class TestWorkingTreeFormat3(TestCaseWithTransport):
154
 
    """Tests specific to WorkingTreeFormat3."""
155
 
 
156
 
    def test_disk_layout(self):
157
 
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
158
 
        control.create_repository()
159
 
        control.create_branch()
160
 
        tree = workingtree.WorkingTreeFormat3().initialize(control)
161
 
        # we want:
162
 
        # format 'Bazaar-NG Working Tree format 3'
163
 
        # inventory = blank inventory
164
 
        # pending-merges = ''
165
 
        # stat-cache = ??
166
 
        # no inventory.basis yet
167
 
        t = control.get_workingtree_transport(None)
168
 
        self.assertEqualDiff('Bazaar-NG Working Tree format 3',
169
 
                             t.get('format').read())
170
 
        self.assertEqualDiff('<inventory format="5">\n'
171
 
                             '</inventory>\n',
172
 
                             t.get('inventory').read())
173
 
        self.assertEqualDiff('### bzr hashcache v5\n',
174
 
                             t.get('stat-cache').read())
175
 
        self.assertFalse(t.has('inventory.basis'))
176
 
        # no last-revision file means 'None' or 'NULLREVISION'
177
 
        self.assertFalse(t.has('last-revision'))
178
 
        # TODO RBC 20060210 do a commit, check the inventory.basis is created 
179
 
        # correctly and last-revision file becomes present.
180
 
 
181
 
    def test_uses_lockdir(self):
182
 
        """WorkingTreeFormat3 uses its own LockDir:
183
 
            
184
 
            - lock is a directory
185
 
            - when the WorkingTree is locked, LockDir can see that
186
 
        """
187
 
        t = self.get_transport()
188
 
        url = self.get_url()
189
 
        dir = bzrdir.BzrDirMetaFormat1().initialize(url)
190
 
        repo = dir.create_repository()
191
 
        branch = dir.create_branch()
192
 
        try:
193
 
            tree = workingtree.WorkingTreeFormat3().initialize(dir)
194
 
        except errors.NotLocalUrl:
195
 
            raise TestSkipped('Not a local URL')
196
 
        self.assertIsDirectory('.bzr', t)
197
 
        self.assertIsDirectory('.bzr/checkout', t)
198
 
        self.assertIsDirectory('.bzr/checkout/lock', t)
199
 
        our_lock = LockDir(t, '.bzr/checkout/lock')
200
 
        self.assertEquals(our_lock.peek(), None)
201
 
        tree.lock_write()
202
 
        self.assertTrue(our_lock.peek())
203
 
        tree.unlock()
204
 
        self.assertEquals(our_lock.peek(), None)
205
 
 
206
 
    def test_missing_pending_merges(self):
207
 
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
208
 
        control.create_repository()
209
 
        control.create_branch()
210
 
        tree = workingtree.WorkingTreeFormat3().initialize(control)
211
 
        tree._control_files._transport.delete("pending-merges")
212
 
        self.assertEqual([], tree.pending_merges())
213
 
 
214
 
 
215
 
class TestFormat2WorkingTree(TestCaseWithTransport):
216
 
    """Tests that are specific to format 2 trees."""
217
 
 
218
 
    def create_format2_tree(self, url):
219
 
        return self.make_branch_and_tree(
220
 
            url, format=bzrlib.bzrdir.BzrDirFormat6())
221
 
 
222
 
    def test_conflicts(self):
223
 
        # test backwards compatability
224
 
        tree = self.create_format2_tree('.')
225
 
        self.assertRaises(errors.UnsupportedOperation, tree.set_conflicts,
226
 
                          None)
227
 
        file('lala.BASE', 'wb').write('labase')
228
 
        expected = conflicts.ContentsConflict('lala')
229
 
        self.assertEqual(list(tree.conflicts()), [expected])
230
 
        file('lala', 'wb').write('la')
231
 
        tree.add('lala', 'lala-id')
232
 
        expected = conflicts.ContentsConflict('lala', file_id='lala-id')
233
 
        self.assertEqual(list(tree.conflicts()), [expected])
234
 
        file('lala.THIS', 'wb').write('lathis')
235
 
        file('lala.OTHER', 'wb').write('laother')
236
 
        # When "text conflict"s happen, stem, THIS and OTHER are text
237
 
        expected = conflicts.TextConflict('lala', file_id='lala-id')
238
 
        self.assertEqual(list(tree.conflicts()), [expected])
239
 
        os.unlink('lala.OTHER')
240
 
        os.mkdir('lala.OTHER')
241
 
        expected = conflicts.ContentsConflict('lala', file_id='lala-id')
242
 
        self.assertEqual(list(tree.conflicts()), [expected])
243
 
 
244
 
 
245
 
class TestNonFormatSpecificCode(TestCaseWithTransport):
246
 
    """This class contains tests of workingtree that are not format specific."""
247
 
 
248
 
    
249
 
    def test_gen_file_id(self):
250
 
        gen_file_id = bzrlib.workingtree.gen_file_id
251
 
 
252
 
        # We try to use the filename if possible
253
 
        self.assertStartsWith(gen_file_id('bar'), 'bar-')
254
 
 
255
 
        # but we squash capitalization, and remove non word characters
256
 
        self.assertStartsWith(gen_file_id('Mwoo oof\t m'), 'mwoooofm-')
257
 
 
258
 
        # We also remove leading '.' characters to prevent hidden file-ids
259
 
        self.assertStartsWith(gen_file_id('..gam.py'), 'gam.py-')
260
 
        self.assertStartsWith(gen_file_id('..Mwoo oof\t m'), 'mwoooofm-')
261
 
 
262
 
        # we remove unicode characters, and still don't end up with a 
263
 
        # hidden file id
264
 
        self.assertStartsWith(gen_file_id(u'\xe5\xb5.txt'), 'txt-')
265
 
        
266
 
        # Our current method of generating unique ids adds 33 characters
267
 
        # plus an serial number (log10(N) characters)
268
 
        # to the end of the filename. We now restrict the filename portion to
269
 
        # be <= 20 characters, so the maximum length should now be approx < 60
270
 
 
271
 
        # Test both case squashing and length restriction
272
 
        fid = gen_file_id('A'*50 + '.txt')
273
 
        self.assertStartsWith(fid, 'a'*20 + '-')
274
 
        self.failUnless(len(fid) < 60)
275
 
 
276
 
        # restricting length happens after the other actions, so
277
 
        # we preserve as much as possible
278
 
        fid = gen_file_id('\xe5\xb5..aBcd\tefGhijKLMnop\tqrstuvwxyz')
279
 
        self.assertStartsWith(fid, 'abcdefghijklmnopqrst-')
280
 
        self.failUnless(len(fid) < 60)
281
 
 
282
 
    def test_next_id_suffix(self):
283
 
        bzrlib.workingtree._gen_id_suffix = None
284
 
        bzrlib.workingtree._next_id_suffix()
285
 
        self.assertNotEqual(None, bzrlib.workingtree._gen_id_suffix)
286
 
        bzrlib.workingtree._gen_id_suffix = "foo-"
287
 
        bzrlib.workingtree._gen_id_serial = 1
288
 
        self.assertEqual("foo-2", bzrlib.workingtree._next_id_suffix())
289
 
        self.assertEqual("foo-3", bzrlib.workingtree._next_id_suffix())
290
 
        self.assertEqual("foo-4", bzrlib.workingtree._next_id_suffix())
291
 
        self.assertEqual("foo-5", bzrlib.workingtree._next_id_suffix())
292
 
        self.assertEqual("foo-6", bzrlib.workingtree._next_id_suffix())
293
 
        self.assertEqual("foo-7", bzrlib.workingtree._next_id_suffix())
294
 
        self.assertEqual("foo-8", bzrlib.workingtree._next_id_suffix())
295
 
        self.assertEqual("foo-9", bzrlib.workingtree._next_id_suffix())
296
 
        self.assertEqual("foo-10", bzrlib.workingtree._next_id_suffix())
297
 
 
298
 
    def test__translate_ignore_rule(self):
299
 
        tree = self.make_branch_and_tree('.')
300
 
        # translation should return the regex, the number of groups in it,
301
 
        # and the original rule in a tuple.
302
 
        # there are three sorts of ignore rules:
303
 
        # root only - regex is the rule itself without the leading ./
304
 
        self.assertEqual(
305
 
            "(rootdirrule$)", 
306
 
            tree._translate_ignore_rule("./rootdirrule"))
307
 
        # full path - regex is the rule itself
308
 
        self.assertEqual(
309
 
            "(path\\/to\\/file$)",
310
 
            tree._translate_ignore_rule("path/to/file"))
311
 
        # basename only rule - regex is a rule that ignores everything up
312
 
        # to the last / in the filename
313
 
        self.assertEqual(
314
 
            "((?:.*/)?(?!.*/)basenamerule$)",
315
 
            tree._translate_ignore_rule("basenamerule"))
316
 
 
317
 
    def test__combine_ignore_rules(self):
318
 
        tree = self.make_branch_and_tree('.')
319
 
        # the combined ignore regexs need the outer group indices
320
 
        # placed in a dictionary with the rules that were combined.
321
 
        # an empty set of rules
322
 
        # this is returned as a list of combined regex,rule sets, because
323
 
        # python has a limit of 100 combined regexes.
324
 
        compiled_rules = tree._combine_ignore_rules([])
325
 
        self.assertEqual([], compiled_rules)
326
 
        # one of each type of rule.
327
 
        compiled_rules = tree._combine_ignore_rules(
328
 
            ["rule1", "rule/two", "./three"])[0]
329
 
        # what type *is* the compiled regex to do an isinstance of ?
330
 
        self.assertEqual(3, compiled_rules[0].groups)
331
 
        self.assertEqual(
332
 
            {0:"rule1",1:"rule/two",2:"./three"},
333
 
            compiled_rules[1])
334
 
 
335
 
    def test__combine_ignore_rules_grouping(self):
336
 
        tree = self.make_branch_and_tree('.')
337
 
        # when there are too many rules, the output is split into groups of 100
338
 
        rules = []
339
 
        for index in range(198):
340
 
            rules.append('foo')
341
 
        self.assertEqual(2, len(tree._combine_ignore_rules(rules)))
342
 
 
343
 
    def test__get_ignore_rules_as_regex(self):
344
 
        tree = self.make_branch_and_tree('.')
345
 
        # Setup the default ignore list to be empty
346
 
        ignores._set_user_ignores([])
347
 
 
348
 
        # some plugins (shelf) modifies the DEFAULT_IGNORE list in memory
349
 
        # which causes this test to fail so force the DEFAULT_IGNORE
350
 
        # list to be empty
351
 
        orig_default = bzrlib.DEFAULT_IGNORE
352
 
        # Also make sure the runtime ignore list is empty
353
 
        orig_runtime = ignores._runtime_ignores
354
 
        try:
355
 
            bzrlib.DEFAULT_IGNORE = []
356
 
            ignores._runtime_ignores = set()
357
 
 
358
 
            self.build_tree_contents([('.bzrignore', 'CVS\n.hg\n')])
359
 
            reference_output = tree._combine_ignore_rules(
360
 
                                    set(['CVS', '.hg']))[0]
361
 
            regex_rules = tree._get_ignore_rules_as_regex()[0]
362
 
            self.assertEqual(len(reference_output[1]), regex_rules[0].groups)
363
 
            self.assertEqual(reference_output[1], regex_rules[1])
364
 
        finally:
365
 
            bzrlib.DEFAULT_IGNORE = orig_default
366
 
            ignores._runtime_ignores = orig_runtime