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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_bytes('format', 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.assertContainsRe(t.get('inventory').read(), 
 
171
                              '<inventory file_id="[^"]*" format="5">\n'
 
172
                              '</inventory>\n',
 
173
                             )
 
174
        self.assertEqualDiff('### bzr hashcache v5\n',
 
175
                             t.get('stat-cache').read())
 
176
        self.assertFalse(t.has('inventory.basis'))
 
177
        # no last-revision file means 'None' or 'NULLREVISION'
 
178
        self.assertFalse(t.has('last-revision'))
 
179
        # TODO RBC 20060210 do a commit, check the inventory.basis is created 
 
180
        # correctly and last-revision file becomes present.
 
181
 
 
182
    def test_uses_lockdir(self):
 
183
        """WorkingTreeFormat3 uses its own LockDir:
 
184
            
 
185
            - lock is a directory
 
186
            - when the WorkingTree is locked, LockDir can see that
 
187
        """
 
188
        t = self.get_transport()
 
189
        url = self.get_url()
 
190
        dir = bzrdir.BzrDirMetaFormat1().initialize(url)
 
191
        repo = dir.create_repository()
 
192
        branch = dir.create_branch()
 
193
        try:
 
194
            tree = workingtree.WorkingTreeFormat3().initialize(dir)
 
195
        except errors.NotLocalUrl:
 
196
            raise TestSkipped('Not a local URL')
 
197
        self.assertIsDirectory('.bzr', t)
 
198
        self.assertIsDirectory('.bzr/checkout', t)
 
199
        self.assertIsDirectory('.bzr/checkout/lock', t)
 
200
        our_lock = LockDir(t, '.bzr/checkout/lock')
 
201
        self.assertEquals(our_lock.peek(), None)
 
202
        tree.lock_write()
 
203
        self.assertTrue(our_lock.peek())
 
204
        tree.unlock()
 
205
        self.assertEquals(our_lock.peek(), None)
 
206
 
 
207
    def test_missing_pending_merges(self):
 
208
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
209
        control.create_repository()
 
210
        control.create_branch()
 
211
        tree = workingtree.WorkingTreeFormat3().initialize(control)
 
212
        tree._control_files._transport.delete("pending-merges")
 
213
        self.assertEqual([], tree.get_parent_ids())
 
214
 
 
215
 
 
216
class TestFormat2WorkingTree(TestCaseWithTransport):
 
217
    """Tests that are specific to format 2 trees."""
 
218
 
 
219
    def create_format2_tree(self, url):
 
220
        return self.make_branch_and_tree(
 
221
            url, format=bzrlib.bzrdir.BzrDirFormat6())
 
222
 
 
223
    def test_conflicts(self):
 
224
        # test backwards compatability
 
225
        tree = self.create_format2_tree('.')
 
226
        self.assertRaises(errors.UnsupportedOperation, tree.set_conflicts,
 
227
                          None)
 
228
        file('lala.BASE', 'wb').write('labase')
 
229
        expected = conflicts.ContentsConflict('lala')
 
230
        self.assertEqual(list(tree.conflicts()), [expected])
 
231
        file('lala', 'wb').write('la')
 
232
        tree.add('lala', 'lala-id')
 
233
        expected = conflicts.ContentsConflict('lala', file_id='lala-id')
 
234
        self.assertEqual(list(tree.conflicts()), [expected])
 
235
        file('lala.THIS', 'wb').write('lathis')
 
236
        file('lala.OTHER', 'wb').write('laother')
 
237
        # When "text conflict"s happen, stem, THIS and OTHER are text
 
238
        expected = conflicts.TextConflict('lala', file_id='lala-id')
 
239
        self.assertEqual(list(tree.conflicts()), [expected])
 
240
        os.unlink('lala.OTHER')
 
241
        os.mkdir('lala.OTHER')
 
242
        expected = conflicts.ContentsConflict('lala', file_id='lala-id')
 
243
        self.assertEqual(list(tree.conflicts()), [expected])
 
244
 
 
245
 
 
246
class TestNonFormatSpecificCode(TestCaseWithTransport):
 
247
    """This class contains tests of workingtree that are not format specific."""
 
248
 
 
249
    
 
250
    def test_gen_file_id(self):
 
251
        gen_file_id = bzrlib.workingtree.gen_file_id
 
252
 
 
253
        # We try to use the filename if possible
 
254
        self.assertStartsWith(gen_file_id('bar'), 'bar-')
 
255
 
 
256
        # but we squash capitalization, and remove non word characters
 
257
        self.assertStartsWith(gen_file_id('Mwoo oof\t m'), 'mwoooofm-')
 
258
 
 
259
        # We also remove leading '.' characters to prevent hidden file-ids
 
260
        self.assertStartsWith(gen_file_id('..gam.py'), 'gam.py-')
 
261
        self.assertStartsWith(gen_file_id('..Mwoo oof\t m'), 'mwoooofm-')
 
262
 
 
263
        # we remove unicode characters, and still don't end up with a 
 
264
        # hidden file id
 
265
        self.assertStartsWith(gen_file_id(u'\xe5\xb5.txt'), 'txt-')
 
266
        
 
267
        # Our current method of generating unique ids adds 33 characters
 
268
        # plus an serial number (log10(N) characters)
 
269
        # to the end of the filename. We now restrict the filename portion to
 
270
        # be <= 20 characters, so the maximum length should now be approx < 60
 
271
 
 
272
        # Test both case squashing and length restriction
 
273
        fid = gen_file_id('A'*50 + '.txt')
 
274
        self.assertStartsWith(fid, 'a'*20 + '-')
 
275
        self.failUnless(len(fid) < 60)
 
276
 
 
277
        # restricting length happens after the other actions, so
 
278
        # we preserve as much as possible
 
279
        fid = gen_file_id('\xe5\xb5..aBcd\tefGhijKLMnop\tqrstuvwxyz')
 
280
        self.assertStartsWith(fid, 'abcdefghijklmnopqrst-')
 
281
        self.failUnless(len(fid) < 60)
 
282
 
 
283
    def test_next_id_suffix(self):
 
284
        bzrlib.workingtree._gen_id_suffix = None
 
285
        bzrlib.workingtree._next_id_suffix()
 
286
        self.assertNotEqual(None, bzrlib.workingtree._gen_id_suffix)
 
287
        bzrlib.workingtree._gen_id_suffix = "foo-"
 
288
        bzrlib.workingtree._gen_id_serial = 1
 
289
        self.assertEqual("foo-2", bzrlib.workingtree._next_id_suffix())
 
290
        self.assertEqual("foo-3", bzrlib.workingtree._next_id_suffix())
 
291
        self.assertEqual("foo-4", bzrlib.workingtree._next_id_suffix())
 
292
        self.assertEqual("foo-5", bzrlib.workingtree._next_id_suffix())
 
293
        self.assertEqual("foo-6", bzrlib.workingtree._next_id_suffix())
 
294
        self.assertEqual("foo-7", bzrlib.workingtree._next_id_suffix())
 
295
        self.assertEqual("foo-8", bzrlib.workingtree._next_id_suffix())
 
296
        self.assertEqual("foo-9", bzrlib.workingtree._next_id_suffix())
 
297
        self.assertEqual("foo-10", bzrlib.workingtree._next_id_suffix())
 
298
 
 
299
    def test__translate_ignore_rule(self):
 
300
        tree = self.make_branch_and_tree('.')
 
301
        # translation should return the regex, the number of groups in it,
 
302
        # and the original rule in a tuple.
 
303
        # there are three sorts of ignore rules:
 
304
        # root only - regex is the rule itself without the leading ./
 
305
        self.assertEqual(
 
306
            "(rootdirrule$)", 
 
307
            tree._translate_ignore_rule("./rootdirrule"))
 
308
        # full path - regex is the rule itself
 
309
        self.assertEqual(
 
310
            "(path\\/to\\/file$)",
 
311
            tree._translate_ignore_rule("path/to/file"))
 
312
        # basename only rule - regex is a rule that ignores everything up
 
313
        # to the last / in the filename
 
314
        self.assertEqual(
 
315
            "((?:.*/)?(?!.*/)basenamerule$)",
 
316
            tree._translate_ignore_rule("basenamerule"))
 
317
 
 
318
    def test__combine_ignore_rules(self):
 
319
        tree = self.make_branch_and_tree('.')
 
320
        # the combined ignore regexs need the outer group indices
 
321
        # placed in a dictionary with the rules that were combined.
 
322
        # an empty set of rules
 
323
        # this is returned as a list of combined regex,rule sets, because
 
324
        # python has a limit of 100 combined regexes.
 
325
        compiled_rules = tree._combine_ignore_rules([])
 
326
        self.assertEqual([], compiled_rules)
 
327
        # one of each type of rule.
 
328
        compiled_rules = tree._combine_ignore_rules(
 
329
            ["rule1", "rule/two", "./three"])[0]
 
330
        # what type *is* the compiled regex to do an isinstance of ?
 
331
        self.assertEqual(3, compiled_rules[0].groups)
 
332
        self.assertEqual(
 
333
            {0:"rule1",1:"rule/two",2:"./three"},
 
334
            compiled_rules[1])
 
335
 
 
336
    def test__combine_ignore_rules_grouping(self):
 
337
        tree = self.make_branch_and_tree('.')
 
338
        # when there are too many rules, the output is split into groups of 100
 
339
        rules = []
 
340
        for index in range(198):
 
341
            rules.append('foo')
 
342
        self.assertEqual(2, len(tree._combine_ignore_rules(rules)))
 
343
 
 
344
    def test__get_ignore_rules_as_regex(self):
 
345
        tree = self.make_branch_and_tree('.')
 
346
        # Setup the default ignore list to be empty
 
347
        ignores._set_user_ignores([])
 
348
 
 
349
        # some plugins (shelf) modifies the DEFAULT_IGNORE list in memory
 
350
        # which causes this test to fail so force the DEFAULT_IGNORE
 
351
        # list to be empty
 
352
        orig_default = bzrlib.DEFAULT_IGNORE
 
353
        # Also make sure the runtime ignore list is empty
 
354
        orig_runtime = ignores._runtime_ignores
 
355
        try:
 
356
            bzrlib.DEFAULT_IGNORE = []
 
357
            ignores._runtime_ignores = set()
 
358
 
 
359
            self.build_tree_contents([('.bzrignore', 'CVS\n.hg\n')])
 
360
            reference_output = tree._combine_ignore_rules(
 
361
                                    set(['CVS', '.hg']))[0]
 
362
            regex_rules = tree._get_ignore_rules_as_regex()[0]
 
363
            self.assertEqual(len(reference_output[1]), regex_rules[0].groups)
 
364
            self.assertEqual(reference_output[1], regex_rules[1])
 
365
        finally:
 
366
            bzrlib.DEFAULT_IGNORE = orig_default
 
367
            ignores._runtime_ignores = orig_runtime