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Viewing changes to bzrlib/tests/test_transport.py

  • Committer: Martin Pool
  • Date: 2007-03-24 00:06:57 UTC
  • mto: (2323.5.3 0.15)
  • mto: This revision was merged to the branch mainline in revision 2390.
  • Revision ID: mbp@sourcefrog.net-20070324000657-fkotsej7quseardh
prepare rc3

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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/')