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Viewing changes to bzrlib/tests/test_workingtree.py

Deprecate compare_trees and move its body to InterTree.changes_from.

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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