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Viewing changes to bzrlib/tests/test_transport.py

  • Committer: mbp at sourcefrog
  • Date: 2005-03-29 07:15:34 UTC
  • Revision ID: mbp@sourcefrog.net-20050329071534-e7e920a0237295f9
fix error message for repeated add

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1
 
# Copyright (C) 2004, 2005, 2006 Canonical Ltd
2
 
#
3
 
# This program is free software; you can redistribute it and/or modify
4
 
# it under the terms of the GNU General Public License as published by
5
 
# the Free Software Foundation; either version 2 of the License, or
6
 
# (at your option) any later version.
7
 
#
8
 
# This program is distributed in the hope that it will be useful,
9
 
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
 
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11
 
# GNU General Public License for more details.
12
 
#
13
 
# You should have received a copy of the GNU General Public License
14
 
# along with this program; if not, write to the Free Software
15
 
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
16
 
 
17
 
 
18
 
import os
19
 
import sys
20
 
import stat
21
 
from cStringIO import StringIO
22
 
 
23
 
import bzrlib
24
 
from bzrlib import urlutils
25
 
from bzrlib.errors import (NoSuchFile, FileExists,
26
 
                           TransportNotPossible,
27
 
                           ConnectionError,
28
 
                           DependencyNotPresent,
29
 
                           UnsupportedProtocol,
30
 
                           PathNotChild,
31
 
                           )
32
 
from bzrlib.tests import TestCase, TestCaseInTempDir
33
 
from bzrlib.transport import (_CoalescedOffset,
34
 
                              _get_protocol_handlers,
35
 
                              _get_transport_modules,
36
 
                              get_transport,
37
 
                              register_lazy_transport,
38
 
                              _set_protocol_handlers,
39
 
                              Transport,
40
 
                              )
41
 
from bzrlib.transport.memory import MemoryTransport
42
 
from bzrlib.transport.local import (LocalTransport,
43
 
                                    EmulatedWin32LocalTransport)
44
 
 
45
 
 
46
 
# TODO: Should possibly split transport-specific tests into their own files.
47
 
 
48
 
 
49
 
class TestTransport(TestCase):
50
 
    """Test the non transport-concrete class functionality."""
51
 
 
52
 
    def test__get_set_protocol_handlers(self):
53
 
        handlers = _get_protocol_handlers()
54
 
        self.assertNotEqual({}, handlers)
55
 
        try:
56
 
            _set_protocol_handlers({})
57
 
            self.assertEqual({}, _get_protocol_handlers())
58
 
        finally:
59
 
            _set_protocol_handlers(handlers)
60
 
 
61
 
    def test_get_transport_modules(self):
62
 
        handlers = _get_protocol_handlers()
63
 
        class SampleHandler(object):
64
 
            """I exist, isnt that enough?"""
65
 
        try:
66
 
            my_handlers = {}
67
 
            _set_protocol_handlers(my_handlers)
68
 
            register_lazy_transport('foo', 'bzrlib.tests.test_transport', 'TestTransport.SampleHandler')
69
 
            register_lazy_transport('bar', 'bzrlib.tests.test_transport', 'TestTransport.SampleHandler')
70
 
            self.assertEqual([SampleHandler.__module__],
71
 
                             _get_transport_modules())
72
 
        finally:
73
 
            _set_protocol_handlers(handlers)
74
 
 
75
 
    def test_transport_dependency(self):
76
 
        """Transport with missing dependency causes no error"""
77
 
        saved_handlers = _get_protocol_handlers()
78
 
        try:
79
 
            register_lazy_transport('foo', 'bzrlib.tests.test_transport',
80
 
                    'BadTransportHandler')
81
 
            try:
82
 
                get_transport('foo://fooserver/foo')
83
 
            except UnsupportedProtocol, e:
84
 
                e_str = str(e)
85
 
                self.assertEquals('Unsupported protocol'
86
 
                                  ' for url "foo://fooserver/foo":'
87
 
                                  ' Unable to import library "some_lib":'
88
 
                                  ' testing missing dependency', str(e))
89
 
            else:
90
 
                self.fail('Did not raise UnsupportedProtocol')
91
 
        finally:
92
 
            # restore original values
93
 
            _set_protocol_handlers(saved_handlers)
94
 
            
95
 
    def test_transport_fallback(self):
96
 
        """Transport with missing dependency causes no error"""
97
 
        saved_handlers = _get_protocol_handlers()
98
 
        try:
99
 
            _set_protocol_handlers({})
100
 
            register_lazy_transport('foo', 'bzrlib.tests.test_transport',
101
 
                    'BackupTransportHandler')
102
 
            register_lazy_transport('foo', 'bzrlib.tests.test_transport',
103
 
                    'BadTransportHandler')
104
 
            t = get_transport('foo://fooserver/foo')
105
 
            self.assertTrue(isinstance(t, BackupTransportHandler))
106
 
        finally:
107
 
            _set_protocol_handlers(saved_handlers)
108
 
 
109
 
    def test__combine_paths(self):
110
 
        t = Transport('/')
111
 
        self.assertEqual('/home/sarah/project/foo',
112
 
                         t._combine_paths('/home/sarah', 'project/foo'))
113
 
        self.assertEqual('/etc',
114
 
                         t._combine_paths('/home/sarah', '../../etc'))
115
 
        self.assertEqual('/etc',
116
 
                         t._combine_paths('/home/sarah', '../../../etc'))
117
 
        self.assertEqual('/etc',
118
 
                         t._combine_paths('/home/sarah', '/etc'))
119
 
 
120
 
 
121
 
class TestCoalesceOffsets(TestCase):
122
 
    
123
 
    def check(self, expected, offsets, limit=0, fudge=0):
124
 
        coalesce = Transport._coalesce_offsets
125
 
        exp = [_CoalescedOffset(*x) for x in expected]
126
 
        out = list(coalesce(offsets, limit=limit, fudge_factor=fudge))
127
 
        self.assertEqual(exp, out)
128
 
 
129
 
    def test_coalesce_empty(self):
130
 
        self.check([], [])
131
 
 
132
 
    def test_coalesce_simple(self):
133
 
        self.check([(0, 10, [(0, 10)])], [(0, 10)])
134
 
 
135
 
    def test_coalesce_unrelated(self):
136
 
        self.check([(0, 10, [(0, 10)]),
137
 
                    (20, 10, [(0, 10)]),
138
 
                   ], [(0, 10), (20, 10)])
139
 
            
140
 
    def test_coalesce_unsorted(self):
141
 
        self.check([(20, 10, [(0, 10)]),
142
 
                    (0, 10, [(0, 10)]),
143
 
                   ], [(20, 10), (0, 10)])
144
 
 
145
 
    def test_coalesce_nearby(self):
146
 
        self.check([(0, 20, [(0, 10), (10, 10)])],
147
 
                   [(0, 10), (10, 10)])
148
 
 
149
 
    def test_coalesce_overlapped(self):
150
 
        self.check([(0, 15, [(0, 10), (5, 10)])],
151
 
                   [(0, 10), (5, 10)])
152
 
 
153
 
    def test_coalesce_limit(self):
154
 
        self.check([(10, 50, [(0, 10), (10, 10), (20, 10),
155
 
                              (30, 10), (40, 10)]),
156
 
                    (60, 50, [(0, 10), (10, 10), (20, 10),
157
 
                              (30, 10), (40, 10)]),
158
 
                   ], [(10, 10), (20, 10), (30, 10), (40, 10),
159
 
                       (50, 10), (60, 10), (70, 10), (80, 10),
160
 
                       (90, 10), (100, 10)],
161
 
                    limit=5)
162
 
 
163
 
    def test_coalesce_no_limit(self):
164
 
        self.check([(10, 100, [(0, 10), (10, 10), (20, 10),
165
 
                               (30, 10), (40, 10), (50, 10),
166
 
                               (60, 10), (70, 10), (80, 10),
167
 
                               (90, 10)]),
168
 
                   ], [(10, 10), (20, 10), (30, 10), (40, 10),
169
 
                       (50, 10), (60, 10), (70, 10), (80, 10),
170
 
                       (90, 10), (100, 10)])
171
 
 
172
 
    def test_coalesce_fudge(self):
173
 
        self.check([(10, 30, [(0, 10), (20, 10)]),
174
 
                    (100, 10, [(0, 10),]),
175
 
                   ], [(10, 10), (30, 10), (100, 10)],
176
 
                   fudge=10
177
 
                  )
178
 
 
179
 
 
180
 
class TestMemoryTransport(TestCase):
181
 
 
182
 
    def test_get_transport(self):
183
 
        MemoryTransport()
184
 
 
185
 
    def test_clone(self):
186
 
        transport = MemoryTransport()
187
 
        self.assertTrue(isinstance(transport, MemoryTransport))
188
 
        self.assertEqual("memory:///", transport.clone("/").base)
189
 
 
190
 
    def test_abspath(self):
191
 
        transport = MemoryTransport()
192
 
        self.assertEqual("memory:///relpath", transport.abspath('relpath'))
193
 
 
194
 
    def test_abspath_of_root(self):
195
 
        transport = MemoryTransport()
196
 
        self.assertEqual("memory:///", transport.base)
197
 
        self.assertEqual("memory:///", transport.abspath('/'))
198
 
 
199
 
    def test_abspath_of_relpath_starting_at_root(self):
200
 
        transport = MemoryTransport()
201
 
        self.assertEqual("memory:///foo", transport.abspath('/foo'))
202
 
 
203
 
    def test_append_and_get(self):
204
 
        transport = MemoryTransport()
205
 
        transport.append_bytes('path', 'content')
206
 
        self.assertEqual(transport.get('path').read(), 'content')
207
 
        transport.append_file('path', StringIO('content'))
208
 
        self.assertEqual(transport.get('path').read(), 'contentcontent')
209
 
 
210
 
    def test_put_and_get(self):
211
 
        transport = MemoryTransport()
212
 
        transport.put_file('path', StringIO('content'))
213
 
        self.assertEqual(transport.get('path').read(), 'content')
214
 
        transport.put_bytes('path', 'content')
215
 
        self.assertEqual(transport.get('path').read(), 'content')
216
 
 
217
 
    def test_append_without_dir_fails(self):
218
 
        transport = MemoryTransport()
219
 
        self.assertRaises(NoSuchFile,
220
 
                          transport.append_bytes, 'dir/path', 'content')
221
 
 
222
 
    def test_put_without_dir_fails(self):
223
 
        transport = MemoryTransport()
224
 
        self.assertRaises(NoSuchFile,
225
 
                          transport.put_file, 'dir/path', StringIO('content'))
226
 
 
227
 
    def test_get_missing(self):
228
 
        transport = MemoryTransport()
229
 
        self.assertRaises(NoSuchFile, transport.get, 'foo')
230
 
 
231
 
    def test_has_missing(self):
232
 
        transport = MemoryTransport()
233
 
        self.assertEquals(False, transport.has('foo'))
234
 
 
235
 
    def test_has_present(self):
236
 
        transport = MemoryTransport()
237
 
        transport.append_bytes('foo', 'content')
238
 
        self.assertEquals(True, transport.has('foo'))
239
 
 
240
 
    def test_list_dir(self):
241
 
        transport = MemoryTransport()
242
 
        transport.put_bytes('foo', 'content')
243
 
        transport.mkdir('dir')
244
 
        transport.put_bytes('dir/subfoo', 'content')
245
 
        transport.put_bytes('dirlike', 'content')
246
 
 
247
 
        self.assertEquals(['dir', 'dirlike', 'foo'], sorted(transport.list_dir('.')))
248
 
        self.assertEquals(['subfoo'], sorted(transport.list_dir('dir')))
249
 
 
250
 
    def test_mkdir(self):
251
 
        transport = MemoryTransport()
252
 
        transport.mkdir('dir')
253
 
        transport.append_bytes('dir/path', 'content')
254
 
        self.assertEqual(transport.get('dir/path').read(), 'content')
255
 
 
256
 
    def test_mkdir_missing_parent(self):
257
 
        transport = MemoryTransport()
258
 
        self.assertRaises(NoSuchFile,
259
 
                          transport.mkdir, 'dir/dir')
260
 
 
261
 
    def test_mkdir_twice(self):
262
 
        transport = MemoryTransport()
263
 
        transport.mkdir('dir')
264
 
        self.assertRaises(FileExists, transport.mkdir, 'dir')
265
 
 
266
 
    def test_parameters(self):
267
 
        transport = MemoryTransport()
268
 
        self.assertEqual(True, transport.listable())
269
 
        self.assertEqual(False, transport.should_cache())
270
 
        self.assertEqual(False, transport.is_readonly())
271
 
 
272
 
    def test_iter_files_recursive(self):
273
 
        transport = MemoryTransport()
274
 
        transport.mkdir('dir')
275
 
        transport.put_bytes('dir/foo', 'content')
276
 
        transport.put_bytes('dir/bar', 'content')
277
 
        transport.put_bytes('bar', 'content')
278
 
        paths = set(transport.iter_files_recursive())
279
 
        self.assertEqual(set(['dir/foo', 'dir/bar', 'bar']), paths)
280
 
 
281
 
    def test_stat(self):
282
 
        transport = MemoryTransport()
283
 
        transport.put_bytes('foo', 'content')
284
 
        transport.put_bytes('bar', 'phowar')
285
 
        self.assertEqual(7, transport.stat('foo').st_size)
286
 
        self.assertEqual(6, transport.stat('bar').st_size)
287
 
 
288
 
 
289
 
class ChrootDecoratorTransportTest(TestCase):
290
 
    """Chroot decoration specific tests."""
291
 
 
292
 
    def test_construct(self):
293
 
        from bzrlib.transport import chroot
294
 
        transport = chroot.ChrootTransportDecorator('chroot+memory:///pathA/')
295
 
        self.assertEqual('memory:///pathA/', transport.chroot_url)
296
 
 
297
 
        transport = chroot.ChrootTransportDecorator(
298
 
            'chroot+memory:///path/B', chroot='memory:///path/')
299
 
        self.assertEqual('memory:///path/', transport.chroot_url)
300
 
 
301
 
    def test_append_file(self):
302
 
        transport = get_transport('chroot+memory:///foo/bar')
303
 
        self.assertRaises(PathNotChild, transport.append_file, '/foo', None)
304
 
 
305
 
    def test_append_bytes(self):
306
 
        transport = get_transport('chroot+memory:///foo/bar')
307
 
        self.assertRaises(PathNotChild, transport.append_bytes, '/foo', 'bytes')
308
 
 
309
 
    def test_clone(self):
310
 
        transport = get_transport('chroot+memory:///foo/bar')
311
 
        self.assertRaises(PathNotChild, transport.clone, '/foo')
312
 
 
313
 
    def test_delete(self):
314
 
        transport = get_transport('chroot+memory:///foo/bar')
315
 
        self.assertRaises(PathNotChild, transport.delete, '/foo')
316
 
 
317
 
    def test_delete_tree(self):
318
 
        transport = get_transport('chroot+memory:///foo/bar')
319
 
        self.assertRaises(PathNotChild, transport.delete_tree, '/foo')
320
 
 
321
 
    def test_get(self):
322
 
        transport = get_transport('chroot+memory:///foo/bar')
323
 
        self.assertRaises(PathNotChild, transport.get, '/foo')
324
 
 
325
 
    def test_get_bytes(self):
326
 
        transport = get_transport('chroot+memory:///foo/bar')
327
 
        self.assertRaises(PathNotChild, transport.get_bytes, '/foo')
328
 
 
329
 
    def test_has(self):
330
 
        transport = get_transport('chroot+memory:///foo/bar')
331
 
        self.assertRaises(PathNotChild, transport.has, '/foo')
332
 
 
333
 
    def test_list_dir(self):
334
 
        transport = get_transport('chroot+memory:///foo/bar')
335
 
        self.assertRaises(PathNotChild, transport.list_dir, '/foo')
336
 
 
337
 
    def test_lock_read(self):
338
 
        transport = get_transport('chroot+memory:///foo/bar')
339
 
        self.assertRaises(PathNotChild, transport.lock_read, '/foo')
340
 
 
341
 
    def test_lock_write(self):
342
 
        transport = get_transport('chroot+memory:///foo/bar')
343
 
        self.assertRaises(PathNotChild, transport.lock_write, '/foo')
344
 
 
345
 
    def test_mkdir(self):
346
 
        transport = get_transport('chroot+memory:///foo/bar')
347
 
        self.assertRaises(PathNotChild, transport.mkdir, '/foo')
348
 
 
349
 
    def test_put_bytes(self):
350
 
        transport = get_transport('chroot+memory:///foo/bar')
351
 
        self.assertRaises(PathNotChild, transport.put_bytes, '/foo', 'bytes')
352
 
 
353
 
    def test_put_file(self):
354
 
        transport = get_transport('chroot+memory:///foo/bar')
355
 
        self.assertRaises(PathNotChild, transport.put_file, '/foo', None)
356
 
 
357
 
    def test_rename(self):
358
 
        transport = get_transport('chroot+memory:///foo/bar')
359
 
        self.assertRaises(PathNotChild, transport.rename, '/aaa', 'bbb')
360
 
        self.assertRaises(PathNotChild, transport.rename, 'ccc', '/d')
361
 
 
362
 
    def test_rmdir(self):
363
 
        transport = get_transport('chroot+memory:///foo/bar')
364
 
        self.assertRaises(PathNotChild, transport.rmdir, '/foo')
365
 
 
366
 
    def test_stat(self):
367
 
        transport = get_transport('chroot+memory:///foo/bar')
368
 
        self.assertRaises(PathNotChild, transport.stat, '/foo')
369
 
 
370
 
 
371
 
class ReadonlyDecoratorTransportTest(TestCase):
372
 
    """Readonly decoration specific tests."""
373
 
 
374
 
    def test_local_parameters(self):
375
 
        import bzrlib.transport.readonly as readonly
376
 
        # connect to . in readonly mode
377
 
        transport = readonly.ReadonlyTransportDecorator('readonly+.')
378
 
        self.assertEqual(True, transport.listable())
379
 
        self.assertEqual(False, transport.should_cache())
380
 
        self.assertEqual(True, transport.is_readonly())
381
 
 
382
 
    def test_http_parameters(self):
383
 
        from bzrlib.tests.HttpServer import HttpServer
384
 
        import bzrlib.transport.readonly as readonly
385
 
        # connect to . via http which is not listable
386
 
        server = HttpServer()
387
 
        server.setUp()
388
 
        try:
389
 
            transport = get_transport('readonly+' + server.get_url())
390
 
            self.failUnless(isinstance(transport,
391
 
                                       readonly.ReadonlyTransportDecorator))
392
 
            self.assertEqual(False, transport.listable())
393
 
            self.assertEqual(True, transport.should_cache())
394
 
            self.assertEqual(True, transport.is_readonly())
395
 
        finally:
396
 
            server.tearDown()
397
 
 
398
 
 
399
 
class FakeNFSDecoratorTests(TestCaseInTempDir):
400
 
    """NFS decorator specific tests."""
401
 
 
402
 
    def get_nfs_transport(self, url):
403
 
        import bzrlib.transport.fakenfs as fakenfs
404
 
        # connect to url with nfs decoration
405
 
        return fakenfs.FakeNFSTransportDecorator('fakenfs+' + url)
406
 
 
407
 
    def test_local_parameters(self):
408
 
        # the listable, should_cache and is_readonly parameters
409
 
        # are not changed by the fakenfs decorator
410
 
        transport = self.get_nfs_transport('.')
411
 
        self.assertEqual(True, transport.listable())
412
 
        self.assertEqual(False, transport.should_cache())
413
 
        self.assertEqual(False, transport.is_readonly())
414
 
 
415
 
    def test_http_parameters(self):
416
 
        # the listable, should_cache and is_readonly parameters
417
 
        # are not changed by the fakenfs decorator
418
 
        from bzrlib.tests.HttpServer import HttpServer
419
 
        # connect to . via http which is not listable
420
 
        server = HttpServer()
421
 
        server.setUp()
422
 
        try:
423
 
            transport = self.get_nfs_transport(server.get_url())
424
 
            self.assertIsInstance(
425
 
                transport, bzrlib.transport.fakenfs.FakeNFSTransportDecorator)
426
 
            self.assertEqual(False, transport.listable())
427
 
            self.assertEqual(True, transport.should_cache())
428
 
            self.assertEqual(True, transport.is_readonly())
429
 
        finally:
430
 
            server.tearDown()
431
 
 
432
 
    def test_fakenfs_server_default(self):
433
 
        # a FakeNFSServer() should bring up a local relpath server for itself
434
 
        import bzrlib.transport.fakenfs as fakenfs
435
 
        server = fakenfs.FakeNFSServer()
436
 
        server.setUp()
437
 
        try:
438
 
            # the url should be decorated appropriately
439
 
            self.assertStartsWith(server.get_url(), 'fakenfs+')
440
 
            # and we should be able to get a transport for it
441
 
            transport = get_transport(server.get_url())
442
 
            # which must be a FakeNFSTransportDecorator instance.
443
 
            self.assertIsInstance(
444
 
                transport, fakenfs.FakeNFSTransportDecorator)
445
 
        finally:
446
 
            server.tearDown()
447
 
 
448
 
    def test_fakenfs_rename_semantics(self):
449
 
        # a FakeNFS transport must mangle the way rename errors occur to
450
 
        # look like NFS problems.
451
 
        transport = self.get_nfs_transport('.')
452
 
        self.build_tree(['from/', 'from/foo', 'to/', 'to/bar'],
453
 
                        transport=transport)
454
 
        self.assertRaises(bzrlib.errors.ResourceBusy,
455
 
                          transport.rename, 'from', 'to')
456
 
 
457
 
 
458
 
class FakeVFATDecoratorTests(TestCaseInTempDir):
459
 
    """Tests for simulation of VFAT restrictions"""
460
 
 
461
 
    def get_vfat_transport(self, url):
462
 
        """Return vfat-backed transport for test directory"""
463
 
        from bzrlib.transport.fakevfat import FakeVFATTransportDecorator
464
 
        return FakeVFATTransportDecorator('vfat+' + url)
465
 
 
466
 
    def test_transport_creation(self):
467
 
        from bzrlib.transport.fakevfat import FakeVFATTransportDecorator
468
 
        transport = self.get_vfat_transport('.')
469
 
        self.assertIsInstance(transport, FakeVFATTransportDecorator)
470
 
 
471
 
    def test_transport_mkdir(self):
472
 
        transport = self.get_vfat_transport('.')
473
 
        transport.mkdir('HELLO')
474
 
        self.assertTrue(transport.has('hello'))
475
 
        self.assertTrue(transport.has('Hello'))
476
 
 
477
 
    def test_forbidden_chars(self):
478
 
        transport = self.get_vfat_transport('.')
479
 
        self.assertRaises(ValueError, transport.has, "<NU>")
480
 
 
481
 
 
482
 
class BadTransportHandler(Transport):
483
 
    def __init__(self, base_url):
484
 
        raise DependencyNotPresent('some_lib', 'testing missing dependency')
485
 
 
486
 
 
487
 
class BackupTransportHandler(Transport):
488
 
    """Test transport that works as a backup for the BadTransportHandler"""
489
 
    pass
490
 
 
491
 
 
492
 
class TestTransportImplementation(TestCaseInTempDir):
493
 
    """Implementation verification for transports.
494
 
    
495
 
    To verify a transport we need a server factory, which is a callable
496
 
    that accepts no parameters and returns an implementation of
497
 
    bzrlib.transport.Server.
498
 
    
499
 
    That Server is then used to construct transport instances and test
500
 
    the transport via loopback activity.
501
 
 
502
 
    Currently this assumes that the Transport object is connected to the 
503
 
    current working directory.  So that whatever is done 
504
 
    through the transport, should show up in the working 
505
 
    directory, and vice-versa. This is a bug, because its possible to have
506
 
    URL schemes which provide access to something that may not be 
507
 
    result in storage on the local disk, i.e. due to file system limits, or 
508
 
    due to it being a database or some other non-filesystem tool.
509
 
 
510
 
    This also tests to make sure that the functions work with both
511
 
    generators and lists (assuming iter(list) is effectively a generator)
512
 
    """
513
 
    
514
 
    def setUp(self):
515
 
        super(TestTransportImplementation, self).setUp()
516
 
        self._server = self.transport_server()
517
 
        self._server.setUp()
518
 
 
519
 
    def tearDown(self):
520
 
        super(TestTransportImplementation, self).tearDown()
521
 
        self._server.tearDown()
522
 
        
523
 
    def get_transport(self):
524
 
        """Return a connected transport to the local directory."""
525
 
        base_url = self._server.get_url()
526
 
        # try getting the transport via the regular interface:
527
 
        t = get_transport(base_url)
528
 
        if not isinstance(t, self.transport_class):
529
 
            # we did not get the correct transport class type. Override the
530
 
            # regular connection behaviour by direct construction.
531
 
            t = self.transport_class(base_url)
532
 
        return t
533
 
 
534
 
 
535
 
class TestLocalTransports(TestCase):
536
 
 
537
 
    def test_get_transport_from_abspath(self):
538
 
        here = os.path.abspath('.')
539
 
        t = get_transport(here)
540
 
        self.assertIsInstance(t, LocalTransport)
541
 
        self.assertEquals(t.base, urlutils.local_path_to_url(here) + '/')
542
 
 
543
 
    def test_get_transport_from_relpath(self):
544
 
        here = os.path.abspath('.')
545
 
        t = get_transport('.')
546
 
        self.assertIsInstance(t, LocalTransport)
547
 
        self.assertEquals(t.base, urlutils.local_path_to_url('.') + '/')
548
 
 
549
 
    def test_get_transport_from_local_url(self):
550
 
        here = os.path.abspath('.')
551
 
        here_url = urlutils.local_path_to_url(here) + '/'
552
 
        t = get_transport(here_url)
553
 
        self.assertIsInstance(t, LocalTransport)
554
 
        self.assertEquals(t.base, here_url)
555
 
 
556
 
 
557
 
class TestWin32LocalTransport(TestCase):
558
 
 
559
 
    def test_unc_clone_to_root(self):
560
 
        # Win32 UNC path like \\HOST\path
561
 
        # clone to root should stop at least at \\HOST part
562
 
        # not on \\
563
 
        t = EmulatedWin32LocalTransport('file://HOST/path/to/some/dir/')
564
 
        for i in xrange(4):
565
 
            t = t.clone('..')
566
 
        self.assertEquals(t.base, 'file://HOST/')
567
 
        # make sure we reach the root
568
 
        t = t.clone('..')
569
 
        self.assertEquals(t.base, 'file://HOST/')