~bzr-pqm/bzr/bzr.dev

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
# Copyright (C) 2005 Canonical Ltd
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

"""Tests for the urlutils wrapper."""

import os
import sys

from bzrlib import osutils, urlutils, win32utils
from bzrlib.errors import InvalidURL, InvalidURLJoin, InvalidRebaseURLs
from bzrlib.tests import TestCaseInTempDir, TestCase, TestSkipped


class TestUrlToPath(TestCase):

    def test_basename(self):
        # bzrlib.urlutils.basename
        # Test bzrlib.urlutils.split()
        basename = urlutils.basename
        if sys.platform == 'win32':
            self.assertRaises(InvalidURL, basename, 'file:///path/to/foo')
            self.assertEqual('foo', basename('file:///C|/foo'))
            self.assertEqual('foo', basename('file:///C:/foo'))
            self.assertEqual('', basename('file:///C:/'))
        else:
            self.assertEqual('foo', basename('file:///foo'))
            self.assertEqual('', basename('file:///'))

        self.assertEqual('foo', basename('http://host/path/to/foo'))
        self.assertEqual('foo', basename('http://host/path/to/foo/'))
        self.assertEqual('',
            basename('http://host/path/to/foo/', exclude_trailing_slash=False))
        self.assertEqual('path', basename('http://host/path'))
        self.assertEqual('', basename('http://host/'))
        self.assertEqual('', basename('http://host'))
        self.assertEqual('path', basename('http:///nohost/path'))

        self.assertEqual('path', basename('random+scheme://user:pass@ahost:port/path'))
        self.assertEqual('path', basename('random+scheme://user:pass@ahost:port/path/'))
        self.assertEqual('', basename('random+scheme://user:pass@ahost:port/'))

        # relative paths
        self.assertEqual('foo', basename('path/to/foo'))
        self.assertEqual('foo', basename('path/to/foo/'))
        self.assertEqual('', basename('path/to/foo/',
            exclude_trailing_slash=False))
        self.assertEqual('foo', basename('path/../foo'))
        self.assertEqual('foo', basename('../path/foo'))

    def test_normalize_url_files(self):
        # Test that local paths are properly normalized
        normalize_url = urlutils.normalize_url

        def norm_file(expected, path):
            url = normalize_url(path)
            self.assertStartsWith(url, 'file:///')
            if sys.platform == 'win32':
                url = url[len('file:///C:'):]
            else:
                url = url[len('file://'):]

            self.assertEndsWith(url, expected)

        norm_file('path/to/foo', 'path/to/foo')
        norm_file('/path/to/foo', '/path/to/foo')
        norm_file('path/to/foo', '../path/to/foo')

        # Local paths are assumed to *not* be escaped at all
        try:
            u'uni/\xb5'.encode(osutils.get_user_encoding())
        except UnicodeError:
            # locale cannot handle unicode
            pass
        else:
            norm_file('uni/%C2%B5', u'uni/\xb5')

        norm_file('uni/%25C2%25B5', u'uni/%C2%B5')
        norm_file('uni/%20b', u'uni/ b')
        # All the crazy characters get escaped in local paths => file:/// urls
        # The ' ' character must not be at the end, because on win32
        # it gets stripped off by ntpath.abspath
        norm_file('%27%20%3B/%3F%3A%40%26%3D%2B%24%2C%23', "' ;/?:@&=+$,#")

    def test_normalize_url_hybrid(self):
        # Anything with a scheme:// should be treated as a hybrid url
        # which changes what characters get escaped.
        normalize_url = urlutils.normalize_url

        eq = self.assertEqual
        eq('file:///foo/', normalize_url(u'file:///foo/'))
        eq('file:///foo/%20', normalize_url(u'file:///foo/ '))
        eq('file:///foo/%20', normalize_url(u'file:///foo/%20'))
        # Don't escape reserved characters
        eq('file:///ab_c.d-e/%f:?g&h=i+j;k,L#M$',
            normalize_url('file:///ab_c.d-e/%f:?g&h=i+j;k,L#M$'))
        eq('http://ab_c.d-e/%f:?g&h=i+j;k,L#M$',
            normalize_url('http://ab_c.d-e/%f:?g&h=i+j;k,L#M$'))

        # Escape unicode characters, but not already escaped chars
        eq('http://host/ab/%C2%B5/%C2%B5',
            normalize_url(u'http://host/ab/%C2%B5/\xb5'))

        # Unescape characters that don't need to be escaped
        eq('http://host/~bob%2525-._',
                normalize_url('http://host/%7Ebob%2525%2D%2E%5F'))
        eq('http://host/~bob%2525-._',
                normalize_url(u'http://host/%7Ebob%2525%2D%2E%5F'))

        # Normalize verifies URLs when they are not unicode
        # (indicating they did not come from the user)
        self.assertRaises(InvalidURL, normalize_url, 'http://host/\xb5')
        self.assertRaises(InvalidURL, normalize_url, 'http://host/ ')

    def test_url_scheme_re(self):
        # Test paths that may be URLs
        def test_one(url, scheme_and_path):
            """Assert that _url_scheme_re correctly matches

            :param scheme_and_path: The (scheme, path) that should be matched
                can be None, to indicate it should not match
            """
            m = urlutils._url_scheme_re.match(url)
            if scheme_and_path is None:
                self.assertEqual(None, m)
            else:
                self.assertEqual(scheme_and_path[0], m.group('scheme'))
                self.assertEqual(scheme_and_path[1], m.group('path'))

        # Local paths
        test_one('/path', None)
        test_one('C:/path', None)
        test_one('../path/to/foo', None)
        test_one(u'../path/to/fo\xe5', None)

        # Real URLS
        test_one('http://host/path/', ('http', 'host/path/'))
        test_one('sftp://host/path/to/foo', ('sftp', 'host/path/to/foo'))
        test_one('file:///usr/bin', ('file', '/usr/bin'))
        test_one('file:///C:/Windows', ('file', '/C:/Windows'))
        test_one('file:///C|/Windows', ('file', '/C|/Windows'))
        test_one(u'readonly+sftp://host/path/\xe5', ('readonly+sftp', u'host/path/\xe5'))

        # Weird stuff
        # Can't have slashes or colons in the scheme
        test_one('/path/to/://foo', None)
        test_one('path:path://foo', None)
        # Must have more than one character for scheme
        test_one('C://foo', None)
        test_one('ab://foo', ('ab', 'foo'))

    def test_dirname(self):
        # Test bzrlib.urlutils.dirname()
        dirname = urlutils.dirname
        if sys.platform == 'win32':
            self.assertRaises(InvalidURL, dirname, 'file:///path/to/foo')
            self.assertEqual('file:///C|/', dirname('file:///C|/foo'))
            self.assertEqual('file:///C|/', dirname('file:///C|/'))
        else:
            self.assertEqual('file:///', dirname('file:///foo'))
            self.assertEqual('file:///', dirname('file:///'))

        self.assertEqual('http://host/path/to', dirname('http://host/path/to/foo'))
        self.assertEqual('http://host/path/to', dirname('http://host/path/to/foo/'))
        self.assertEqual('http://host/path/to/foo',
            dirname('http://host/path/to/foo/', exclude_trailing_slash=False))
        self.assertEqual('http://host/', dirname('http://host/path'))
        self.assertEqual('http://host/', dirname('http://host/'))
        self.assertEqual('http://host', dirname('http://host'))
        self.assertEqual('http:///nohost', dirname('http:///nohost/path'))

        self.assertEqual('random+scheme://user:pass@ahost:port/',
            dirname('random+scheme://user:pass@ahost:port/path'))
        self.assertEqual('random+scheme://user:pass@ahost:port/',
            dirname('random+scheme://user:pass@ahost:port/path/'))
        self.assertEqual('random+scheme://user:pass@ahost:port/',
            dirname('random+scheme://user:pass@ahost:port/'))

        # relative paths
        self.assertEqual('path/to', dirname('path/to/foo'))
        self.assertEqual('path/to', dirname('path/to/foo/'))
        self.assertEqual('path/to/foo',
            dirname('path/to/foo/', exclude_trailing_slash=False))
        self.assertEqual('path/..', dirname('path/../foo'))
        self.assertEqual('../path', dirname('../path/foo'))

    def test_join(self):
        def test(expected, *args):
            joined = urlutils.join(*args)
            self.assertEqual(expected, joined)

        # Test relative path joining
        test('foo', 'foo') # relative fragment with nothing is preserved.
        test('foo/bar', 'foo', 'bar')
        test('http://foo/bar', 'http://foo', 'bar')
        test('http://foo/bar', 'http://foo', '.', 'bar')
        test('http://foo/baz', 'http://foo', 'bar', '../baz')
        test('http://foo/bar/baz', 'http://foo', 'bar/baz')
        test('http://foo/baz', 'http://foo', 'bar/../baz')
        test('http://foo/baz', 'http://foo/bar/', '../baz')

        # Absolute paths
        test('http://foo', 'http://foo') # abs url with nothing is preserved.
        test('http://bar', 'http://foo', 'http://bar')
        test('sftp://bzr/foo', 'http://foo', 'bar', 'sftp://bzr/foo')
        test('file:///bar', 'foo', 'file:///bar')
        test('http://bar/', 'http://foo', 'http://bar/')
        test('http://bar/a', 'http://foo', 'http://bar/a')
        test('http://bar/a/', 'http://foo', 'http://bar/a/')

        # From a base path
        test('file:///foo', 'file:///', 'foo')
        test('file:///bar/foo', 'file:///bar/', 'foo')
        test('http://host/foo', 'http://host/', 'foo')
        test('http://host/', 'http://host', '')

        # Invalid joinings
        # Cannot go above root
        # Implicitly at root:
        self.assertRaises(InvalidURLJoin, urlutils.join,
                'http://foo', '../baz')
        self.assertRaises(InvalidURLJoin, urlutils.join,
                'http://foo', '/..')
        # Joining from a path explicitly under the root.
        self.assertRaises(InvalidURLJoin, urlutils.join,
                'http://foo/a', '../../b')

    def test_joinpath(self):
        def test(expected, *args):
            joined = urlutils.joinpath(*args)
            self.assertEqual(expected, joined)

        # Test a single element
        test('foo', 'foo')

        # Test relative path joining
        test('foo/bar', 'foo', 'bar')
        test('foo/bar', 'foo', '.', 'bar')
        test('foo/baz', 'foo', 'bar', '../baz')
        test('foo/bar/baz', 'foo', 'bar/baz')
        test('foo/baz', 'foo', 'bar/../baz')

        # Test joining to an absolute path
        test('/foo', '/foo')
        test('/foo', '/foo', '.')
        test('/foo/bar', '/foo', 'bar')
        test('/', '/foo', '..')

        # Test joining with an absolute path
        test('/bar', 'foo', '/bar')

        # Test joining to a path with a trailing slash
        test('foo/bar', 'foo/', 'bar')

        # Invalid joinings
        # Cannot go above root
        self.assertRaises(InvalidURLJoin, urlutils.joinpath, '/', '../baz')
        self.assertRaises(InvalidURLJoin, urlutils.joinpath, '/', '..')
        self.assertRaises(InvalidURLJoin, urlutils.joinpath, '/', '/..')

    def test_function_type(self):
        if sys.platform == 'win32':
            self.assertEqual(urlutils._win32_local_path_to_url, urlutils.local_path_to_url)
            self.assertEqual(urlutils._win32_local_path_from_url, urlutils.local_path_from_url)
        else:
            self.assertEqual(urlutils._posix_local_path_to_url, urlutils.local_path_to_url)
            self.assertEqual(urlutils._posix_local_path_from_url, urlutils.local_path_from_url)

    def test_posix_local_path_to_url(self):
        to_url = urlutils._posix_local_path_to_url
        self.assertEqual('file:///path/to/foo',
            to_url('/path/to/foo'))

        try:
            result = to_url(u'/path/to/r\xe4ksm\xf6rg\xe5s')
        except UnicodeError:
            raise TestSkipped("local encoding cannot handle unicode")

        self.assertEqual('file:///path/to/r%C3%A4ksm%C3%B6rg%C3%A5s', result)
        self.assertFalse(isinstance(result, unicode))

    def test_posix_local_path_from_url(self):
        from_url = urlutils._posix_local_path_from_url
        self.assertEqual('/path/to/foo',
            from_url('file:///path/to/foo'))
        self.assertEqual(u'/path/to/r\xe4ksm\xf6rg\xe5s',
            from_url('file:///path/to/r%C3%A4ksm%C3%B6rg%C3%A5s'))
        self.assertEqual(u'/path/to/r\xe4ksm\xf6rg\xe5s',
            from_url('file:///path/to/r%c3%a4ksm%c3%b6rg%c3%a5s'))
        self.assertEqual(u'/path/to/r\xe4ksm\xf6rg\xe5s',
            from_url('file://localhost/path/to/r%c3%a4ksm%c3%b6rg%c3%a5s'))

        self.assertRaises(InvalidURL, from_url, '/path/to/foo')
        self.assertRaises(
            InvalidURL, from_url,
            'file://remotehost/path/to/r%c3%a4ksm%c3%b6rg%c3%a5s')

    def test_win32_local_path_to_url(self):
        to_url = urlutils._win32_local_path_to_url
        self.assertEqual('file:///C:/path/to/foo',
            to_url('C:/path/to/foo'))
        # BOGUS: on win32, ntpath.abspath will strip trailing
        #       whitespace, so this will always fail
        #       Though under linux, it fakes abspath support
        #       and thus will succeed
        # self.assertEqual('file:///C:/path/to/foo%20',
        #     to_url('C:/path/to/foo '))
        self.assertEqual('file:///C:/path/to/f%20oo',
            to_url('C:/path/to/f oo'))

        self.assertEqual('file:///', to_url('/'))

        try:
            result = to_url(u'd:/path/to/r\xe4ksm\xf6rg\xe5s')
        except UnicodeError:
            raise TestSkipped("local encoding cannot handle unicode")

        self.assertEqual('file:///D:/path/to/r%C3%A4ksm%C3%B6rg%C3%A5s', result)
        self.assertFalse(isinstance(result, unicode))

    def test_win32_unc_path_to_url(self):
        to_url = urlutils._win32_local_path_to_url
        self.assertEqual('file://HOST/path',
            to_url(r'\\HOST\path'))
        self.assertEqual('file://HOST/path',
            to_url('//HOST/path'))

        try:
            result = to_url(u'//HOST/path/to/r\xe4ksm\xf6rg\xe5s')
        except UnicodeError:
            raise TestSkipped("local encoding cannot handle unicode")

        self.assertEqual('file://HOST/path/to/r%C3%A4ksm%C3%B6rg%C3%A5s', result)
        self.assertFalse(isinstance(result, unicode))

    def test_win32_local_path_from_url(self):
        from_url = urlutils._win32_local_path_from_url
        self.assertEqual('C:/path/to/foo',
            from_url('file:///C|/path/to/foo'))
        self.assertEqual(u'D:/path/to/r\xe4ksm\xf6rg\xe5s',
            from_url('file:///d|/path/to/r%C3%A4ksm%C3%B6rg%C3%A5s'))
        self.assertEqual(u'D:/path/to/r\xe4ksm\xf6rg\xe5s',
            from_url('file:///d:/path/to/r%c3%a4ksm%c3%b6rg%c3%a5s'))
        self.assertEqual('/', from_url('file:///'))

        self.assertRaises(InvalidURL, from_url, '/path/to/foo')
        # Not a valid _win32 url, no drive letter
        self.assertRaises(InvalidURL, from_url, 'file:///path/to/foo')

    def test_win32_unc_path_from_url(self):
        from_url = urlutils._win32_local_path_from_url
        self.assertEqual('//HOST/path', from_url('file://HOST/path'))
        # despite IE allows 2, 4, 5 and 6 slashes in URL to another machine
        # we want to use only 2 slashes
        # Firefox understand only 5 slashes in URL, but it's ugly
        self.assertRaises(InvalidURL, from_url, 'file:////HOST/path')
        self.assertRaises(InvalidURL, from_url, 'file://///HOST/path')
        self.assertRaises(InvalidURL, from_url, 'file://////HOST/path')
        # check for file://C:/ instead of file:///C:/
        self.assertRaises(InvalidURL, from_url, 'file://C:/path')

    def test_win32_extract_drive_letter(self):
        extract = urlutils._win32_extract_drive_letter
        self.assertEqual(('file:///C:', '/foo'), extract('file://', '/C:/foo'))
        self.assertEqual(('file:///d|', '/path'), extract('file://', '/d|/path'))
        self.assertRaises(InvalidURL, extract, 'file://', '/path')

    def test_split(self):
        # Test bzrlib.urlutils.split()
        split = urlutils.split
        if sys.platform == 'win32':
            self.assertRaises(InvalidURL, split, 'file:///path/to/foo')
            self.assertEqual(('file:///C|/', 'foo'), split('file:///C|/foo'))
            self.assertEqual(('file:///C:/', ''), split('file:///C:/'))
        else:
            self.assertEqual(('file:///', 'foo'), split('file:///foo'))
            self.assertEqual(('file:///', ''), split('file:///'))

        self.assertEqual(('http://host/path/to', 'foo'), split('http://host/path/to/foo'))
        self.assertEqual(('http://host/path/to', 'foo'), split('http://host/path/to/foo/'))
        self.assertEqual(('http://host/path/to/foo', ''),
            split('http://host/path/to/foo/', exclude_trailing_slash=False))
        self.assertEqual(('http://host/', 'path'), split('http://host/path'))
        self.assertEqual(('http://host/', ''), split('http://host/'))
        self.assertEqual(('http://host', ''), split('http://host'))
        self.assertEqual(('http:///nohost', 'path'), split('http:///nohost/path'))

        self.assertEqual(('random+scheme://user:pass@ahost:port/', 'path'),
            split('random+scheme://user:pass@ahost:port/path'))
        self.assertEqual(('random+scheme://user:pass@ahost:port/', 'path'),
            split('random+scheme://user:pass@ahost:port/path/'))
        self.assertEqual(('random+scheme://user:pass@ahost:port/', ''),
            split('random+scheme://user:pass@ahost:port/'))

        # relative paths
        self.assertEqual(('path/to', 'foo'), split('path/to/foo'))
        self.assertEqual(('path/to', 'foo'), split('path/to/foo/'))
        self.assertEqual(('path/to/foo', ''),
            split('path/to/foo/', exclude_trailing_slash=False))
        self.assertEqual(('path/..', 'foo'), split('path/../foo'))
        self.assertEqual(('../path', 'foo'), split('../path/foo'))

    def test_win32_strip_local_trailing_slash(self):
        strip = urlutils._win32_strip_local_trailing_slash
        self.assertEqual('file://', strip('file://'))
        self.assertEqual('file:///', strip('file:///'))
        self.assertEqual('file:///C', strip('file:///C'))
        self.assertEqual('file:///C:', strip('file:///C:'))
        self.assertEqual('file:///d|', strip('file:///d|'))
        self.assertEqual('file:///C:/', strip('file:///C:/'))
        self.assertEqual('file:///C:/a', strip('file:///C:/a/'))

    def test_strip_trailing_slash(self):
        sts = urlutils.strip_trailing_slash
        if sys.platform == 'win32':
            self.assertEqual('file:///C|/', sts('file:///C|/'))
            self.assertEqual('file:///C:/foo', sts('file:///C:/foo'))
            self.assertEqual('file:///C|/foo', sts('file:///C|/foo/'))
        else:
            self.assertEqual('file:///', sts('file:///'))
            self.assertEqual('file:///foo', sts('file:///foo'))
            self.assertEqual('file:///foo', sts('file:///foo/'))

        self.assertEqual('http://host/', sts('http://host/'))
        self.assertEqual('http://host/foo', sts('http://host/foo'))
        self.assertEqual('http://host/foo', sts('http://host/foo/'))

        # No need to fail just because the slash is missing
        self.assertEqual('http://host', sts('http://host'))
        # TODO: jam 20060502 Should this raise InvalidURL?
        self.assertEqual('file://', sts('file://'))

        self.assertEqual('random+scheme://user:pass@ahost:port/path',
            sts('random+scheme://user:pass@ahost:port/path'))
        self.assertEqual('random+scheme://user:pass@ahost:port/path',
            sts('random+scheme://user:pass@ahost:port/path/'))
        self.assertEqual('random+scheme://user:pass@ahost:port/',
            sts('random+scheme://user:pass@ahost:port/'))

        # Make sure relative paths work too
        self.assertEqual('path/to/foo', sts('path/to/foo'))
        self.assertEqual('path/to/foo', sts('path/to/foo/'))
        self.assertEqual('../to/foo', sts('../to/foo/'))
        self.assertEqual('path/../foo', sts('path/../foo/'))

    def test_unescape_for_display_utf8(self):
        # Test that URLs are converted to nice unicode strings for display
        def test(expected, url, encoding='utf-8'):
            disp_url = urlutils.unescape_for_display(url, encoding=encoding)
            self.assertIsInstance(disp_url, unicode)
            self.assertEqual(expected, disp_url)

        test('http://foo', 'http://foo')
        if sys.platform == 'win32':
            test('C:/foo/path', 'file:///C|/foo/path')
            test('C:/foo/path', 'file:///C:/foo/path')
        else:
            test('/foo/path', 'file:///foo/path')

        test('http://foo/%2Fbaz', 'http://foo/%2Fbaz')
        test(u'http://host/r\xe4ksm\xf6rg\xe5s',
             'http://host/r%C3%A4ksm%C3%B6rg%C3%A5s')

        # Make sure special escaped characters stay escaped
        test(u'http://host/%3B%2F%3F%3A%40%26%3D%2B%24%2C%23',
             'http://host/%3B%2F%3F%3A%40%26%3D%2B%24%2C%23')

        # Can we handle sections that don't have utf-8 encoding?
        test(u'http://host/%EE%EE%EE/r\xe4ksm\xf6rg\xe5s',
             'http://host/%EE%EE%EE/r%C3%A4ksm%C3%B6rg%C3%A5s')

        # Test encoding into output that can handle some characters
        test(u'http://host/%EE%EE%EE/r\xe4ksm\xf6rg\xe5s',
             'http://host/%EE%EE%EE/r%C3%A4ksm%C3%B6rg%C3%A5s',
             encoding='iso-8859-1')

        # This one can be encoded into utf8
        test(u'http://host/\u062c\u0648\u062c\u0648',
             'http://host/%d8%ac%d9%88%d8%ac%d9%88',
             encoding='utf-8')

        # This can't be put into 8859-1 and so stays as escapes
        test(u'http://host/%d8%ac%d9%88%d8%ac%d9%88',
             'http://host/%d8%ac%d9%88%d8%ac%d9%88',
             encoding='iso-8859-1')

    def test_escape(self):
        self.assertEqual('%25', urlutils.escape('%'))
        self.assertEqual('%C3%A5', urlutils.escape(u'\xe5'))
        self.assertFalse(isinstance(urlutils.escape(u'\xe5'), unicode))

    def test_escape_tildes(self):
        self.assertEqual('~foo', urlutils.escape('~foo'))

    def test_unescape(self):
        self.assertEqual('%', urlutils.unescape('%25'))
        self.assertEqual(u'\xe5', urlutils.unescape('%C3%A5'))

        self.assertRaises(InvalidURL, urlutils.unescape, u'\xe5')
        self.assertRaises(InvalidURL, urlutils.unescape, '\xe5')
        self.assertRaises(InvalidURL, urlutils.unescape, '%E5')

    def test_escape_unescape(self):
        self.assertEqual(u'\xe5', urlutils.unescape(urlutils.escape(u'\xe5')))
        self.assertEqual('%', urlutils.unescape(urlutils.escape('%')))

    def test_relative_url(self):
        def test(expected, base, other):
            result = urlutils.relative_url(base, other)
            self.assertEqual(expected, result)

        test('a', 'http://host/', 'http://host/a')
        test('http://entirely/different', 'sftp://host/branch',
                    'http://entirely/different')
        test('../person/feature', 'http://host/branch/mainline',
                    'http://host/branch/person/feature')
        test('..', 'http://host/branch', 'http://host/')
        test('http://host2/branch', 'http://host1/branch', 'http://host2/branch')
        test('.', 'http://host1/branch', 'http://host1/branch')
        test('../../../branch/2b', 'file:///home/jelmer/foo/bar/2b',
                    'file:///home/jelmer/branch/2b')
        test('../../branch/2b', 'sftp://host/home/jelmer/bar/2b',
                    'sftp://host/home/jelmer/branch/2b')
        test('../../branch/feature/%2b', 'http://host/home/jelmer/bar/%2b',
                    'http://host/home/jelmer/branch/feature/%2b')
        test('../../branch/feature/2b', 'http://host/home/jelmer/bar/2b/',
                    'http://host/home/jelmer/branch/feature/2b')
        # relative_url should preserve a trailing slash
        test('../../branch/feature/2b/', 'http://host/home/jelmer/bar/2b/',
                    'http://host/home/jelmer/branch/feature/2b/')
        test('../../branch/feature/2b/', 'http://host/home/jelmer/bar/2b',
                    'http://host/home/jelmer/branch/feature/2b/')

        # TODO: treat http://host as http://host/
        #       relative_url is typically called from a branch.base or
        #       transport.base which always ends with a /
        #test('a', 'http://host', 'http://host/a')
        test('http://host/a', 'http://host', 'http://host/a')
        #test('.', 'http://host', 'http://host/')
        test('http://host/', 'http://host', 'http://host/')
        #test('.', 'http://host/', 'http://host')
        test('http://host', 'http://host/', 'http://host')

        # On Windows file:///C:/path/to and file:///D:/other/path
        # should not use relative url over the non-existent '/' directory.
        if sys.platform == 'win32':
            # on the same drive
            test('../../other/path',
                'file:///C:/path/to', 'file:///C:/other/path')
            #~next two tests is failed, i.e. urlutils.relative_url expects
            #~to see normalized file URLs?
            #~test('../../other/path',
            #~    'file:///C:/path/to', 'file:///c:/other/path')
            #~test('../../other/path',
            #~    'file:///C:/path/to', 'file:///C|/other/path')

            # check UNC paths too
            test('../../other/path',
                'file://HOST/base/path/to', 'file://HOST/base/other/path')
            # on different drives
            test('file:///D:/other/path',
                'file:///C:/path/to', 'file:///D:/other/path')
            # TODO: strictly saying in UNC path //HOST/base is full analog
            # of drive letter for hard disk, and this situation is also
            # should be exception from rules. [bialix 20071221]


class TestCwdToURL(TestCaseInTempDir):
    """Test that local_path_to_url works base on the cwd"""

    def test_dot(self):
        # This test will fail if getcwd is not ascii
        os.mkdir('mytest')
        os.chdir('mytest')

        url = urlutils.local_path_to_url('.')
        self.assertEndsWith(url, '/mytest')

    def test_non_ascii(self):
        if win32utils.winver == 'Windows 98':
            raise TestSkipped('Windows 98 cannot handle unicode filenames')

        try:
            os.mkdir(u'dod\xe9')
        except UnicodeError:
            raise TestSkipped('cannot create unicode directory')

        os.chdir(u'dod\xe9')

        # On Mac OSX this directory is actually:
        #   u'/dode\u0301' => '/dode\xcc\x81
        # but we should normalize it back to
        #   u'/dod\xe9' => '/dod\xc3\xa9'
        url = urlutils.local_path_to_url('.')
        self.assertEndsWith(url, '/dod%C3%A9')


class TestDeriveToLocation(TestCase):
    """Test that the mapping of FROM_LOCATION to TO_LOCATION works."""

    def test_to_locations_derived_from_paths(self):
        derive = urlutils.derive_to_location
        self.assertEqual("bar", derive("bar"))
        self.assertEqual("bar", derive("../bar"))
        self.assertEqual("bar", derive("/foo/bar"))
        self.assertEqual("bar", derive("c:/foo/bar"))
        self.assertEqual("bar", derive("c:bar"))

    def test_to_locations_derived_from_urls(self):
        derive = urlutils.derive_to_location
        self.assertEqual("bar", derive("http://foo/bar"))
        self.assertEqual("bar", derive("bzr+ssh://foo/bar"))
        self.assertEqual("foo-bar", derive("lp:foo-bar"))


class TestRebaseURL(TestCase):
    """Test the behavior of rebase_url."""

    def test_non_relative(self):
        result = urlutils.rebase_url('file://foo', 'file://foo',
                                     'file://foo/bar')
        self.assertEqual('file://foo', result)
        result = urlutils.rebase_url('/foo', 'file://foo',
                                     'file://foo/bar')
        self.assertEqual('/foo', result)

    def test_different_ports(self):
        e = self.assertRaises(InvalidRebaseURLs, urlutils.rebase_url,
                              'foo', 'http://bar:80', 'http://bar:81')
        self.assertEqual(str(e), "URLs differ by more than path:"
                         " 'http://bar:80' and 'http://bar:81'")

    def test_different_hosts(self):
        e = self.assertRaises(InvalidRebaseURLs, urlutils.rebase_url,
                              'foo', 'http://bar', 'http://baz')
        self.assertEqual(str(e), "URLs differ by more than path: 'http://bar'"
                         " and 'http://baz'")

    def test_different_protocol(self):
        e = self.assertRaises(InvalidRebaseURLs, urlutils.rebase_url,
                              'foo', 'http://bar', 'ftp://bar')
        self.assertEqual(str(e), "URLs differ by more than path: 'http://bar'"
                         " and 'ftp://bar'")

    def test_rebase_success(self):
        self.assertEqual('../bar', urlutils.rebase_url('bar', 'http://baz/',
                         'http://baz/qux'))
        self.assertEqual('qux/bar', urlutils.rebase_url('bar',
                         'http://baz/qux', 'http://baz/'))
        self.assertEqual('.', urlutils.rebase_url('foo',
                         'http://bar/', 'http://bar/foo/'))
        self.assertEqual('qux/bar', urlutils.rebase_url('../bar',
                         'http://baz/qux/foo', 'http://baz/'))

    def test_determine_relative_path(self):
        self.assertEqual('../../baz/bar',
                         urlutils.determine_relative_path(
                         '/qux/quxx', '/baz/bar'))
        self.assertEqual('..',
                         urlutils.determine_relative_path(
                         '/bar/baz', '/bar'))
        self.assertEqual('baz',
                         urlutils.determine_relative_path(
                         '/bar', '/bar/baz'))
        self.assertEqual('.', urlutils.determine_relative_path(
                         '/bar', '/bar'))


class TestParseURL(TestCase):

    def test_parse_url(self):
        self.assertEqual(urlutils.parse_url('http://example.com:80/one'),
            ('http', None, None, 'example.com', 80, '/one'))
        self.assertEqual(urlutils.parse_url('http://[1:2:3::40]/one'),
                ('http', None, None, '1:2:3::40', None, '/one'))
        self.assertEqual(urlutils.parse_url('http://[1:2:3::40]:80/one'),
                ('http', None, None, '1:2:3::40', 80, '/one'))