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Viewing changes to bzrlib/tests/test_http_response.py

  • Committer: Martin Pool
  • Date: 2005-09-30 05:56:05 UTC
  • mto: (1185.14.2)
  • mto: This revision was merged to the branch mainline in revision 1396.
  • Revision ID: mbp@sourcefrog.net-20050930055605-a2c534529b392a7d
- fix upgrade for transport changes

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bzrlib/tests/test_http_response.py
1
 
# Copyright (C) 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
 
"""Tests from HTTP response parsing."""
18
 
 
19
 
from cStringIO import StringIO
20
 
import mimetools
21
 
 
22
 
from bzrlib import errors
23
 
from bzrlib.transport import http
24
 
from bzrlib.transport.http import response
25
 
from bzrlib.tests import TestCase
26
 
 
27
 
 
28
 
class TestResponseRange(TestCase):
29
 
    """Test the ResponseRange class."""
30
 
 
31
 
    def test_cmp(self):
32
 
        RR = response.ResponseRange
33
 
        r1 = RR(0, 10, 0)
34
 
        r2 = RR(15, 20, 10)
35
 
        self.assertTrue(r1 < r2)
36
 
        self.assertFalse(r1 > r2)
37
 
        self.assertTrue(r1 < 5)
38
 
        self.assertFalse(r2 < 5)
39
 
 
40
 
        self.assertEqual(RR(0, 10, 5), RR(0, 10, 5))
41
 
        self.assertNotEqual(RR(0, 10, 5), RR(0, 8, 5))
42
 
        self.assertNotEqual(RR(0, 10, 5), RR(0, 10, 6))
43
 
 
44
 
    def test_sort_list(self):
45
 
        """Ensure longer ranges are sorted after shorter ones"""
46
 
        RR = response.ResponseRange
47
 
        lst = [RR(3, 8, 0), 5, RR(3, 7, 0), 6]
48
 
        lst.sort()
49
 
        self.assertEqual([RR(3,7,0), RR(3,8,0), 5, 6], lst)
50
 
 
51
 
 
52
 
class TestRangeFile(TestCase):
53
 
    """Test RangeFile."""
54
 
 
55
 
    def setUp(self):
56
 
        content = "abcdefghijklmnopqrstuvwxyz"
57
 
        self.fp = response.RangeFile('foo', StringIO(content))
58
 
        self.fp._add_range(0,  9,   0)
59
 
        self.fp._add_range(20, 29, 10)
60
 
        self.fp._add_range(30, 39, 15)
61
 
 
62
 
    def test_valid_accesses(self):
63
 
        """Test so that valid accesses work to the file."""
64
 
        self.fp.seek(0, 0)
65
 
        self.assertEquals(self.fp.read(3), 'abc')
66
 
        self.assertEquals(self.fp.read(3), 'def')
67
 
        self.assertEquals(self.fp.tell(), 6)
68
 
        self.fp.seek(20, 0)
69
 
        self.assertEquals(self.fp.read(3), 'klm')
70
 
        self.assertEquals(self.fp.read(2), 'no')
71
 
        self.assertEquals(self.fp.tell(), 25)
72
 
        # should wrap over to 30-39 entity
73
 
        self.assertEquals(self.fp.read(3), 'pqr')
74
 
        self.fp.seek(3)
75
 
        self.assertEquals(self.fp.read(3), 'def')
76
 
        self.assertEquals(self.fp.tell(), 6)
77
 
 
78
 
    def test_invalid_accesses(self):
79
 
        """Test so that invalid accesses trigger errors."""
80
 
        self.fp.seek(9)
81
 
        self.assertRaises(errors.InvalidRange, self.fp.read, 2)
82
 
        self.fp.seek(39)
83
 
        self.assertRaises(errors.InvalidRange, self.fp.read, 2)
84
 
        self.fp.seek(19)
85
 
        self.assertRaises(errors.InvalidRange, self.fp.read, 2)
86
 
 
87
 
    def test__finish_ranges(self):
88
 
        """Test that after RangeFile._finish_ranges the list is sorted."""
89
 
        self.fp._add_range(1, 2, 3)
90
 
        self.fp._add_range(8, 9, 10)
91
 
        self.fp._add_range(3, 4, 5)
92
 
 
93
 
        # TODO: jam 20060706 If we switch to inserting
94
 
        #       in sorted order, remove this test
95
 
        self.assertNotEqual(self.fp._ranges, sorted(self.fp._ranges))
96
 
 
97
 
        self.fp._finish_ranges()
98
 
        self.assertEqual(self.fp._ranges, sorted(self.fp._ranges))
99
 
 
100
 
    def test_seek_and_tell(self):
101
 
        # Check for seeking before start
102
 
        self.fp.seek(-2, 0)
103
 
        self.assertEqual(0, self.fp.tell())
104
 
 
105
 
        self.fp.seek(5, 0)
106
 
        self.assertEqual(5, self.fp.tell())
107
 
 
108
 
        self.fp.seek(-2, 1)
109
 
        self.assertEqual(3, self.fp.tell())
110
 
 
111
 
        # TODO: jam 20060706 following tests will fail if this 
112
 
        #       is not true, and would be difficult to debug
113
 
        #       but it is a layering violation
114
 
        self.assertEqual(39, self.fp._len)
115
 
 
116
 
        self.fp.seek(0, 2)
117
 
        self.assertEqual(39, self.fp.tell())
118
 
 
119
 
        self.fp.seek(-10, 2)
120
 
        self.assertEqual(29, self.fp.tell())
121
 
 
122
 
        self.assertRaises(ValueError, self.fp.seek, 0, 4)
123
 
        self.assertRaises(ValueError, self.fp.seek, 0, -1)
124
 
 
125
 
 
126
 
class TestRegexes(TestCase):
127
 
 
128
 
    def assertRegexMatches(self, groups, text):
129
 
        """Check that the regex matches and returns the right values"""
130
 
        m = self.regex.match(text)
131
 
        self.assertNotEqual(None, m, "text %s did not match regex" % (text,))
132
 
 
133
 
        self.assertEqual(groups, m.groups())
134
 
 
135
 
    def test_range_re(self):
136
 
        """Test that we match valid ranges."""
137
 
        self.regex = response.HttpRangeResponse._CONTENT_RANGE_RE
138
 
        self.assertRegexMatches(('bytes', '1', '10', '11'),
139
 
                           'bytes 1-10/11')
140
 
        self.assertRegexMatches(('bytes', '1', '10', '11'),
141
 
                           '\tbytes  1-10/11   ')
142
 
        self.assertRegexMatches(('bytes', '2123', '4242', '1231'),
143
 
                           '\tbytes  2123-4242/1231   ')
144
 
        self.assertRegexMatches(('chars', '1', '2', '3'),
145
 
                           ' chars 1-2/3')
146
 
 
147
 
    def test_content_type_re(self):
148
 
        self.regex = response.HttpMultipartRangeResponse._CONTENT_TYPE_RE
149
 
        self.assertRegexMatches(('', 'xxyyzz'),
150
 
                                'multipart/byteranges; boundary = xxyyzz')
151
 
        self.assertRegexMatches(('', 'xxyyzz'),
152
 
                                'multipart/byteranges;boundary=xxyyzz')
153
 
        self.assertRegexMatches(('', 'xx yy zz'),
154
 
                                ' multipart/byteranges ; boundary= xx yy zz ')
155
 
        self.assertRegexMatches(('"', 'xx yy zz'),
156
 
                                ' multipart/byteranges ; boundary= "xx yy zz" ')
157
 
        self.assertEqual(None,
158
 
                         self.regex.match(
159
 
                             ' multipart/byteranges ; boundary= "xx yy zz '))
160
 
        self.assertEqual(None,
161
 
                         self.regex.match(
162
 
                             ' multipart/byteranges ; boundary= xx yy zz" '))
163
 
        self.assertEqual(None,
164
 
                self.regex.match('multipart byteranges;boundary=xx'))
165
 
 
166
 
 
167
 
simple_data = """
168
 
--xxyyzz\r
169
 
foo\r
170
 
Content-range: bytes 1-10/20\r
171
 
\r
172
 
1234567890
173
 
--xxyyzz\r
174
 
Content-Range: bytes 21-30/20\r
175
 
bar\r
176
 
\r
177
 
abcdefghij
178
 
--xxyyzz\r
179
 
content-range: bytes 41-50/20\r
180
 
\r
181
 
zyxwvutsrq
182
 
--xxyyzz\r
183
 
content-range: bytes 51-60/20\r
184
 
\r
185
 
xxyyzz fbd
186
 
"""
187
 
 
188
 
 
189
 
class TestHelpers(TestCase):
190
 
    """Test the helper functions"""
191
 
 
192
 
    def test__parse_range(self):
193
 
        """Test that _parse_range acts reasonably."""
194
 
        content = StringIO('')
195
 
        parse_range = response.HttpRangeResponse._parse_range
196
 
        self.assertEqual((1,2), parse_range('bytes 1-2/3'))
197
 
        self.assertEqual((10,20), parse_range('bytes 10-20/2'))
198
 
 
199
 
        self.assertRaises(errors.InvalidHttpRange, parse_range, 'char 1-3/2')
200
 
        self.assertRaises(errors.InvalidHttpRange, parse_range, 'bytes a-3/2')
201
 
 
202
 
        try:
203
 
            parse_range('bytes x-10/3', path='http://foo/bar')
204
 
        except errors.InvalidHttpRange, e:
205
 
            self.assertContainsRe(str(e), 'http://foo/bar')
206
 
            self.assertContainsRe(str(e), 'bytes x-10/3')
207
 
        else:
208
 
            self.fail('Did not raise InvalidHttpRange')
209
 
 
210
 
    def test__parse_boundary_simple(self):
211
 
        """Test that _parse_boundary handles Content-type properly"""
212
 
        parse_boundary = response.HttpMultipartRangeResponse._parse_boundary
213
 
        m = parse_boundary(' multipart/byteranges; boundary=xxyyzz')
214
 
        self.assertNotEqual(None, m)
215
 
        # Check that the returned regex is capable of splitting simple_data
216
 
        matches = list(m.finditer(simple_data))
217
 
        self.assertEqual(4, len(matches))
218
 
 
219
 
        # match.group() should be the content-range entry
220
 
        # and match.end() should be the start of the content
221
 
        self.assertEqual(' bytes 1-10/20', matches[0].group(1))
222
 
        self.assertEqual(simple_data.find('1234567890'), matches[0].end())
223
 
        self.assertEqual(' bytes 21-30/20', matches[1].group(1))
224
 
        self.assertEqual(simple_data.find('abcdefghij'), matches[1].end())
225
 
        self.assertEqual(' bytes 41-50/20', matches[2].group(1))
226
 
        self.assertEqual(simple_data.find('zyxwvutsrq'), matches[2].end())
227
 
        self.assertEqual(' bytes 51-60/20', matches[3].group(1))
228
 
        self.assertEqual(simple_data.find('xxyyzz fbd'), matches[3].end())
229
 
 
230
 
    def test__parse_boundary_invalid(self):
231
 
        parse_boundary = response.HttpMultipartRangeResponse._parse_boundary
232
 
        try:
233
 
            parse_boundary(' multipart/bytes;boundary=xxyyzz',
234
 
                           path='http://foo/bar')
235
 
        except errors.InvalidHttpContentType, e:
236
 
            self.assertContainsRe(str(e), 'http://foo/bar')
237
 
            self.assertContainsRe(str(e), 'multipart/bytes;boundary=xxyyzz')
238
 
        else:
239
 
            self.fail('Did not raise InvalidHttpContentType')
240
 
 
241
 
 
242
 
class TestHttpRangeResponse(TestCase):
243
 
 
244
 
    def test_smoketest(self):
245
 
        """A basic test that HttpRangeResponse is reasonable."""
246
 
        content = StringIO('0123456789')
247
 
        f = response.HttpRangeResponse('http://foo', 'bytes 1-10/9', content)
248
 
        self.assertEqual([response.ResponseRange(1,10,0)], f._ranges)
249
 
 
250
 
        f.seek(0)
251
 
        self.assertRaises(errors.InvalidRange, f.read, 2)
252
 
        f.seek(1)
253
 
        self.assertEqual('012345', f.read(6))
254
 
 
255
 
    def test_invalid(self):
256
 
        try:
257
 
            f = response.HttpRangeResponse('http://foo', 'bytes x-10/9',
258
 
                                           StringIO('0123456789'))
259
 
        except errors.InvalidHttpRange, e:
260
 
            self.assertContainsRe(str(e), 'http://foo')
261
 
            self.assertContainsRe(str(e), 'bytes x-10/9')
262
 
        else:
263
 
            self.fail('Failed to raise InvalidHttpRange')
264
 
 
265
 
 
266
 
class TestHttpMultipartRangeResponse(TestCase):
267
 
    """Test the handling of multipart range responses"""
268
 
 
269
 
    def test_simple(self):
270
 
        content = StringIO(simple_data)
271
 
        multi = response.HttpMultipartRangeResponse('http://foo',
272
 
                    'multipart/byteranges; boundary = xxyyzz', content)
273
 
 
274
 
        self.assertEqual(4, len(multi._ranges))
275
 
 
276
 
        multi.seek(1)
277
 
        self.assertEqual('1234567890', multi.read(10))
278
 
        multi.seek(21)
279
 
        self.assertEqual('abcdefghij', multi.read(10))
280
 
        multi.seek(41)
281
 
        self.assertEqual('zyxwvutsrq', multi.read(10))
282
 
        multi.seek(51)
283
 
        self.assertEqual('xxyyzz fbd', multi.read(10))
284
 
        # TODO: jam 20060706 Currently RangeFile does not support
285
 
        #       reading across ranges. Consider adding it.
286
 
        multi.seek(41)
287
 
        # self.assertEqual('zyxwvutsrqxxyyzz fbd', multi.read(20))
288
 
        self.assertRaises(errors.InvalidRange, multi.read, 20)
289
 
 
290
 
        multi.seek(21)
291
 
        self.assertRaises(errors.InvalidRange, multi.read, 11)
292
 
        multi.seek(31)
293
 
        self.assertRaises(errors.InvalidRange, multi.read, 10)
294
 
 
295
 
    def test_invalid(self):
296
 
        content = StringIO('')
297
 
        try:
298
 
            response.HttpMultipartRangeResponse('http://foo',
299
 
                        'multipart/byte;boundary=invalid', content)
300
 
        except errors.InvalidHttpContentType, e:
301
 
            self.assertContainsRe(str(e), 'http://foo')
302
 
            self.assertContainsRe(str(e), 'multipart/byte;')
303
 
 
304
 
 
305
 
# Taken from real request responses
306
 
_full_text_response = (200, """HTTP/1.1 200 OK\r
307
 
Date: Tue, 11 Jul 2006 04:32:56 GMT\r
308
 
Server: Apache/2.0.54 (Fedora)\r
309
 
Last-Modified: Sun, 23 Apr 2006 19:35:20 GMT\r
310
 
ETag: "56691-23-38e9ae00"\r
311
 
Accept-Ranges: bytes\r
312
 
Content-Length: 35\r
313
 
Connection: close\r
314
 
Content-Type: text/plain; charset=UTF-8\r
315
 
\r
316
 
""", """Bazaar-NG meta directory, format 1
317
 
""")
318
 
 
319
 
 
320
 
_missing_response = (404, """HTTP/1.1 404 Not Found\r
321
 
Date: Tue, 11 Jul 2006 04:32:56 GMT\r
322
 
Server: Apache/2.0.54 (Fedora)\r
323
 
Content-Length: 336\r
324
 
Connection: close\r
325
 
Content-Type: text/html; charset=iso-8859-1\r
326
 
\r
327
 
""", """<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
328
 
<html><head>
329
 
<title>404 Not Found</title>
330
 
</head><body>
331
 
<h1>Not Found</h1>
332
 
<p>The requested URL /branches/bzr/jam-integration/.bzr/repository/format was not found on this server.</p>
333
 
<hr>
334
 
<address>Apache/2.0.54 (Fedora) Server at bzr.arbash-meinel.com Port 80</address>
335
 
</body></html>
336
 
""")
337
 
 
338
 
 
339
 
_single_range_response = (206, """HTTP/1.1 206 Partial Content\r
340
 
Date: Tue, 11 Jul 2006 04:45:22 GMT\r
341
 
Server: Apache/2.0.54 (Fedora)\r
342
 
Last-Modified: Thu, 06 Jul 2006 20:22:05 GMT\r
343
 
ETag: "238a3c-16ec2-805c5540"\r
344
 
Accept-Ranges: bytes\r
345
 
Content-Length: 100\r
346
 
Content-Range: bytes 100-199/93890\r
347
 
Connection: close\r
348
 
Content-Type: text/plain; charset=UTF-8\r
349
 
\r
350
 
""", """mbp@sourcefrog.net-20050309040815-13242001617e4a06
351
 
mbp@sourcefrog.net-20050309040929-eee0eb3e6d1e762""")
352
 
 
353
 
 
354
 
_single_range_no_content_type = (206, """HTTP/1.1 206 Partial Content\r
355
 
Date: Tue, 11 Jul 2006 04:45:22 GMT\r
356
 
Server: Apache/2.0.54 (Fedora)\r
357
 
Last-Modified: Thu, 06 Jul 2006 20:22:05 GMT\r
358
 
ETag: "238a3c-16ec2-805c5540"\r
359
 
Accept-Ranges: bytes\r
360
 
Content-Length: 100\r
361
 
Content-Range: bytes 100-199/93890\r
362
 
Connection: close\r
363
 
\r
364
 
""", """mbp@sourcefrog.net-20050309040815-13242001617e4a06
365
 
mbp@sourcefrog.net-20050309040929-eee0eb3e6d1e762""")
366
 
 
367
 
 
368
 
_multipart_range_response = (206, """HTTP/1.1 206 Partial Content\r
369
 
Date: Tue, 11 Jul 2006 04:49:48 GMT\r
370
 
Server: Apache/2.0.54 (Fedora)\r
371
 
Last-Modified: Thu, 06 Jul 2006 20:22:05 GMT\r
372
 
ETag: "238a3c-16ec2-805c5540"\r
373
 
Accept-Ranges: bytes\r
374
 
Content-Length: 1534\r
375
 
Connection: close\r
376
 
Content-Type: multipart/byteranges; boundary=418470f848b63279b\r
377
 
\r
378
 
\r""", """--418470f848b63279b\r
379
 
Content-type: text/plain; charset=UTF-8\r
380
 
Content-range: bytes 0-254/93890\r
381
 
\r
382
 
mbp@sourcefrog.net-20050309040815-13242001617e4a06
383
 
mbp@sourcefrog.net-20050309040929-eee0eb3e6d1e7627
384
 
mbp@sourcefrog.net-20050309040957-6cad07f466bb0bb8
385
 
mbp@sourcefrog.net-20050309041501-c840e09071de3b67
386
 
mbp@sourcefrog.net-20050309044615-c24a3250be83220a
387
 
\r
388
 
--418470f848b63279b\r
389
 
Content-type: text/plain; charset=UTF-8\r
390
 
Content-range: bytes 1000-2049/93890\r
391
 
\r
392
 
40-fd4ec249b6b139ab
393
 
mbp@sourcefrog.net-20050311063625-07858525021f270b
394
 
mbp@sourcefrog.net-20050311231934-aa3776aff5200bb9
395
 
mbp@sourcefrog.net-20050311231953-73aeb3a131c3699a
396
 
mbp@sourcefrog.net-20050311232353-f5e33da490872c6a
397
 
mbp@sourcefrog.net-20050312071639-0a8f59a34a024ff0
398
 
mbp@sourcefrog.net-20050312073432-b2c16a55e0d6e9fb
399
 
mbp@sourcefrog.net-20050312073831-a47c3335ece1920f
400
 
mbp@sourcefrog.net-20050312085412-13373aa129ccbad3
401
 
mbp@sourcefrog.net-20050313052251-2bf004cb96b39933
402
 
mbp@sourcefrog.net-20050313052856-3edd84094687cb11
403
 
mbp@sourcefrog.net-20050313053233-e30a4f28aef48f9d
404
 
mbp@sourcefrog.net-20050313053853-7c64085594ff3072
405
 
mbp@sourcefrog.net-20050313054757-a86c3f5871069e22
406
 
mbp@sourcefrog.net-20050313061422-418f1f73b94879b9
407
 
mbp@sourcefrog.net-20050313120651-497bd231b19df600
408
 
mbp@sourcefrog.net-20050314024931-eae0170ef25a5d1a
409
 
mbp@sourcefrog.net-20050314025438-d52099f915fe65fc
410
 
mbp@sourcefrog.net-20050314025539-637a636692c055cf
411
 
mbp@sourcefrog.net-20050314025737-55eb441f430ab4ba
412
 
mbp@sourcefrog.net-20050314025901-d74aa93bb7ee8f62
413
 
mbp@source\r
414
 
--418470f848b63279b--\r
415
 
""")
416
 
 
417
 
_multipart_squid_range_response = (206, """HTTP/1.0 206 Partial Content\r
418
 
Date: Thu, 31 Aug 2006 21:16:22 GMT\r
419
 
Server: Apache/2.2.2 (Unix) DAV/2\r
420
 
Last-Modified: Thu, 31 Aug 2006 17:57:06 GMT\r
421
 
Accept-Ranges: bytes\r
422
 
Content-Type: multipart/byteranges; boundary="squid/2.5.STABLE12:C99323425AD4FE26F726261FA6C24196"\r
423
 
Content-Length: 598\r
424
 
X-Cache: MISS from localhost.localdomain\r
425
 
X-Cache-Lookup: HIT from localhost.localdomain:3128\r
426
 
Proxy-Connection: keep-alive\r
427
 
\r
428
 
""",
429
 
"""\r
430
 
--squid/2.5.STABLE12:C99323425AD4FE26F726261FA6C24196\r
431
 
Content-Type: text/plain\r
432
 
Content-Range: bytes 0-99/18672\r
433
 
\r
434
 
# bzr knit index 8
435
 
 
436
 
scott@netsplit.com-20050708230047-47c7868f276b939f fulltext 0 863  :
437
 
scott@netsp\r
438
 
--squid/2.5.STABLE12:C99323425AD4FE26F726261FA6C24196\r
439
 
Content-Type: text/plain\r
440
 
Content-Range: bytes 300-499/18672\r
441
 
\r
442
 
com-20050708231537-2b124b835395399a :
443
 
scott@netsplit.com-20050820234126-551311dbb7435b51 line-delta 1803 479 .scott@netsplit.com-20050820232911-dc4322a084eadf7e :
444
 
scott@netsplit.com-20050821213706-c86\r
445
 
--squid/2.5.STABLE12:C99323425AD4FE26F726261FA6C24196--\r
446
 
""")
447
 
 
448
 
 
449
 
_redirect_response = (206, """HTTP/1.1 301 Moved Permanently\r
450
 
Date: Tue, 18 Jul 2006 20:29:22 GMT\r
451
 
Server: Apache/2.0.54 (Ubuntu) PHP/4.4.0-3ubuntu1 mod_ssl/2.0.54 OpenSSL/0.9.7g\r
452
 
Location: http://bazaar-vcs.org/bzr/bzr.dev/.bzr/repository/inventory.knit\r
453
 
Content-Length: 272\r
454
 
Keep-Alive: timeout=15, max=100\r
455
 
Connection: Keep-Alive\r
456
 
Content-Type: text/html; charset=iso-8859-1\r
457
 
\r
458
 
HTTP/1.1 206 Partial Content\r
459
 
Date: Tue, 18 Jul 2006 20:29:23 GMT\r
460
 
Server: Apache/2.0.54 (Ubuntu) PHP/4.4.0-3ubuntu1 mod_ssl/2.0.54 OpenSSL/0.9.7g\r
461
 
Last-Modified: Tue, 18 Jul 2006 20:24:59 GMT\r
462
 
ETag: "be8213-83958c-f0d3dcc0"\r
463
 
Accept-Ranges: bytes\r
464
 
Content-Length: 425\r
465
 
Content-Range: bytes 8623075-8623499/8623500\r
466
 
Keep-Alive: timeout=15, max=100\r
467
 
Connection: Keep-Alive\r
468
 
Content-Type: text/plain; charset=UTF-8\r
469
 
\r
470
 
""", """this data intentionally removed, 
471
 
this is not meant to be tested by
472
 
handle_response, just _extract_headers
473
 
""")
474
 
 
475
 
 
476
 
# This is made up
477
 
_invalid_response = (444, """HTTP/1.1 444 Bad Response\r
478
 
Date: Tue, 11 Jul 2006 04:32:56 GMT\r
479
 
Connection: close\r
480
 
Content-Type: text/html; charset=iso-8859-1\r
481
 
\r
482
 
""", """<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
483
 
<html><head>
484
 
<title>404 Not Found</title>
485
 
</head><body>
486
 
<h1>Not Found</h1>
487
 
<p>I don't know what I'm doing</p>
488
 
<hr>
489
 
</body></html>
490
 
""")
491
 
 
492
 
 
493
 
# This should be in test_http.py, but the headers we
494
 
# want to parse are here
495
 
class TestExtractHeader(TestCase):
496
 
    
497
 
    def use_response(self, response):
498
 
        self.headers = http._extract_headers(response[1], 'http://foo')
499
 
 
500
 
    def check_header(self, header, value):
501
 
        self.assertEqual(value, self.headers[header])
502
 
        
503
 
    def test_full_text(self):
504
 
        self.use_response(_full_text_response)
505
 
 
506
 
        self.check_header('Date', 'Tue, 11 Jul 2006 04:32:56 GMT')
507
 
        self.check_header('date', 'Tue, 11 Jul 2006 04:32:56 GMT')
508
 
        self.check_header('Content-Length', '35')
509
 
        self.check_header('Content-Type', 'text/plain; charset=UTF-8')
510
 
        self.check_header('content-type', 'text/plain; charset=UTF-8')
511
 
 
512
 
    def test_missing_response(self):
513
 
        self.use_response(_missing_response)
514
 
 
515
 
        self.check_header('Content-Length', '336')
516
 
        self.check_header('Content-Type', 'text/html; charset=iso-8859-1')
517
 
 
518
 
    def test_single_range(self):
519
 
        self.use_response(_single_range_response)
520
 
 
521
 
        self.check_header('Content-Length', '100')
522
 
        self.check_header('Content-Range', 'bytes 100-199/93890')
523
 
        self.check_header('Content-Type', 'text/plain; charset=UTF-8')
524
 
 
525
 
    def test_single_range_no_content(self):
526
 
        self.use_response(_single_range_no_content_type)
527
 
 
528
 
        self.check_header('Content-Length', '100')
529
 
        self.check_header('Content-Range', 'bytes 100-199/93890')
530
 
 
531
 
    def test_multi_range(self):
532
 
        self.use_response(_multipart_range_response)
533
 
 
534
 
        self.check_header('Content-Length', '1534')
535
 
        self.check_header('Content-Type',
536
 
                          'multipart/byteranges; boundary=418470f848b63279b')
537
 
 
538
 
    def test_multi_squid_range(self):
539
 
        self.use_response(_multipart_squid_range_response)
540
 
 
541
 
        self.check_header('Content-Length', '598')
542
 
        self.check_header('Content-Type',
543
 
                          'multipart/byteranges; '\
544
 
                          'boundary="squid/2.5.STABLE12:C99323425AD4FE26F726261FA6C24196"')
545
 
 
546
 
    def test_redirect(self):
547
 
        """We default to returning the last group of headers in the file."""
548
 
        self.use_response(_redirect_response)
549
 
        self.check_header('Content-Range', 'bytes 8623075-8623499/8623500')
550
 
        self.check_header('Content-Type', 'text/plain; charset=UTF-8')
551
 
 
552
 
    def test_empty(self):
553
 
        self.assertRaises(errors.InvalidHttpResponse,
554
 
            http._extract_headers, '', 'bad url')
555
 
 
556
 
    def test_no_opening_http(self):
557
 
        # Remove the HTTP line from the header
558
 
        first, txt = _full_text_response[1].split('\r\n', 1)
559
 
        self.assertRaises(errors.InvalidHttpResponse,
560
 
            http._extract_headers, txt, 'missing HTTTP')
561
 
 
562
 
    def test_trailing_whitespace(self):
563
 
        # Test that we ignore bogus whitespace on the end
564
 
        code, txt, body = _full_text_response
565
 
        txt += '\r\n\n\n\n\n'
566
 
        self.use_response((code, txt, body))
567
 
 
568
 
        self.check_header('Date', 'Tue, 11 Jul 2006 04:32:56 GMT')
569
 
        self.check_header('Content-Length', '35')
570
 
        self.check_header('Content-Type', 'text/plain; charset=UTF-8')
571
 
 
572
 
    def test_trailing_non_http(self):
573
 
        # Test that we ignore bogus stuff on the end
574
 
        code, txt, body = _full_text_response
575
 
        txt = txt + 'Foo: Bar\r\nBaz: Bling\r\n\r\n'
576
 
        self.use_response((code, txt, body))
577
 
 
578
 
        self.check_header('Date', 'Tue, 11 Jul 2006 04:32:56 GMT')
579
 
        self.check_header('Content-Length', '35')
580
 
        self.check_header('Content-Type', 'text/plain; charset=UTF-8')
581
 
        self.assertRaises(KeyError, self.headers.__getitem__, 'Foo')
582
 
 
583
 
    def test_extra_whitespace(self):
584
 
        # Test that we read an HTTP response, even with extra whitespace
585
 
        code, txt, body = _redirect_response
586
 
        # Find the second HTTP location
587
 
        loc = txt.find('HTTP', 5)
588
 
        txt = txt[:loc] + '\r\n\n' + txt[loc:]
589
 
        self.use_response((code, txt, body))
590
 
        self.check_header('Content-Range', 'bytes 8623075-8623499/8623500')
591
 
        self.check_header('Content-Type', 'text/plain; charset=UTF-8')
592
 
 
593
 
 
594
 
class TestHandleResponse(TestCase):
595
 
    
596
 
    def get_response(self, a_response):
597
 
        """Process a supplied response, and return the result."""
598
 
        headers = http._extract_headers(a_response[1], 'http://foo')
599
 
        return response.handle_response('http://foo', a_response[0], headers,
600
 
                                        StringIO(a_response[2]))
601
 
 
602
 
    def test_full_text(self):
603
 
        out = self.get_response(_full_text_response)
604
 
        # It is a StringIO from the original data
605
 
        self.assertEqual(_full_text_response[2], out.read())
606
 
 
607
 
    def test_missing_response(self):
608
 
        self.assertRaises(errors.NoSuchFile,
609
 
            self.get_response, _missing_response)
610
 
 
611
 
    def test_single_range(self):
612
 
        out = self.get_response(_single_range_response)
613
 
        self.assertIsInstance(out, response.HttpRangeResponse)
614
 
 
615
 
        self.assertRaises(errors.InvalidRange, out.read, 20)
616
 
 
617
 
        out.seek(100)
618
 
        self.assertEqual(_single_range_response[2], out.read(100))
619
 
 
620
 
    def test_single_range_no_content(self):
621
 
        out = self.get_response(_single_range_no_content_type)
622
 
        self.assertIsInstance(out, response.HttpRangeResponse)
623
 
 
624
 
        self.assertRaises(errors.InvalidRange, out.read, 20)
625
 
 
626
 
        out.seek(100)
627
 
        self.assertEqual(_single_range_no_content_type[2], out.read(100))
628
 
 
629
 
    def test_multi_range(self):
630
 
        out = self.get_response(_multipart_range_response)
631
 
        self.assertIsInstance(out, response.HttpMultipartRangeResponse)
632
 
 
633
 
        # Just make sure we can read the right contents
634
 
        out.seek(0)
635
 
        out.read(255)
636
 
 
637
 
        out.seek(1000)
638
 
        out.read(1050)
639
 
 
640
 
    def test_multi_squid_range(self):
641
 
        out = self.get_response(_multipart_squid_range_response)
642
 
        self.assertIsInstance(out, response.HttpMultipartRangeResponse)
643
 
 
644
 
        # Just make sure we can read the right contents
645
 
        out.seek(0)
646
 
        out.read(100)
647
 
 
648
 
        out.seek(300)
649
 
        out.read(200)
650
 
 
651
 
    def test_invalid_response(self):
652
 
        self.assertRaises(errors.InvalidHttpResponse,
653
 
            self.get_response, _invalid_response)
654
 
 
655
 
    def test_full_text_no_content_type(self):
656
 
        # We should not require Content-Type for a full response
657
 
        a_response = _full_text_response
658
 
        headers = http._extract_headers(a_response[1], 'http://foo')
659
 
        del headers['Content-Type']
660
 
        out = response.handle_response('http://foo', a_response[0], headers,
661
 
                                        StringIO(a_response[2]))
662
 
        self.assertEqual(_full_text_response[2], out.read())
663
 
 
664
 
    def test_missing_no_content_type(self):
665
 
        # Without Content-Type we should still raise NoSuchFile on a 404
666
 
        a_response = _missing_response
667
 
        headers = http._extract_headers(a_response[1], 'http://missing')
668
 
        del headers['Content-Type']
669
 
        self.assertRaises(errors.NoSuchFile,
670
 
            response.handle_response, 'http://missing', a_response[0], headers,
671
 
                                      StringIO(a_response[2]))
672
 
 
673
 
    def test_missing_content_range(self):
674
 
        a_response = _single_range_response
675
 
        headers = http._extract_headers(a_response[1], 'http://nocontent')
676
 
        del headers['Content-Range']
677
 
        self.assertRaises(errors.InvalidHttpResponse,
678
 
            response.handle_response, 'http://nocontent', a_response[0],
679
 
                                      headers, StringIO(a_response[2]))