File: test_cookies.py

package info (click to toggle)
python-cookies 2.2.1-2
  • links: PTS, VCS
  • area: main
  • in suites: buster, sid
  • size: 340 kB
  • sloc: python: 2,420; makefile: 8
file content (2447 lines) | stat: -rw-r--r-- 96,797 bytes parent folder | download
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
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""Tests for code in cookies.py.
"""
from __future__ import unicode_literals
import re
import sys
import logging
if sys.version_info < (3, 0, 0):
    from urllib import quote, unquote
else:
    from urllib.parse import quote, unquote
    unichr = chr
    basestring = str
from datetime import datetime, tzinfo, timedelta
from pytest import raises

from cookies import (
        InvalidCookieError, InvalidCookieAttributeError,
        Definitions,
        Cookie, Cookies,
        render_date, parse_date,
        parse_string, parse_value, parse_domain, parse_path,
        parse_one_response,
        encode_cookie_value, encode_extension_av,
        valid_value, valid_date, valid_domain, valid_path,
        strip_spaces_and_quotes, _total_seconds,
        )


class RFC1034:
    """Definitions from RFC 1034: 'DOMAIN NAMES - CONCEPTS AND FACILITIES'
    section 3.5, as cited in RFC 6265 4.1.1.
    """
    digit = "[0-9]"
    letter = "[A-Za-z]"
    let_dig = "[0-9A-Za-z]"
    let_dig_hyp = "[0-9A-Za-z\-]"
    assert "\\" in let_dig_hyp
    ldh_str = "%s+" % let_dig_hyp
    label = "(?:%s|%s|%s)" % (
            letter,
            letter + let_dig,
            letter + ldh_str + let_dig)
    subdomain = "(?:%s\.)*(?:%s)" % (label, label)
    domain = "( |%s)" % (subdomain)

    def test_sanity(self):
        "Basic smoke tests that definitions transcribed OK"
        match = re.compile("^%s\Z" % self.domain).match
        assert match("A.ISI.EDU")
        assert match("XX.LCS.MIT.EDU")
        assert match("SRI-NIC.ARPA")
        assert not match("foo+bar")
        assert match("foo.com")
        assert match("foo9.com")
        assert not match("9foo.com")
        assert not match("26.0.0.73.COM")
        assert not match(".woo.com")
        assert not match("blop.foo.")
        assert match("foo-bar.com")
        assert not match("-foo.com")
        assert not match("foo.com-")


class RFC1123:
    """Definitions from RFC 1123: "Requirements for Internet Hosts --
    Application and Support" section 2.1, cited in RFC 6265 section
    4.1.1 as an update to RFC 1034.
    Here this is really just used for testing Domain attribute values.
    """
    # Changed per 2.1 (similar to some changes in RFC 1101)
    # this implementation is a bit simpler...
    # n.b.: there are length limits in the real thing
    label = "{let_dig}(?:(?:{let_dig_hyp}+)?{let_dig})?".format(
            let_dig=RFC1034.let_dig, let_dig_hyp=RFC1034.let_dig_hyp)
    subdomain = "(?:%s\.)*(?:%s)" % (label, label)
    domain = "( |%s)" % (subdomain)

    def test_sanity(self):
        "Basic smoke tests that definitions transcribed OK"
        match = re.compile("^%s\Z" % self.domain).match
        assert match("A.ISI.EDU")
        assert match("XX.LCS.MIT.EDU")
        assert match("SRI-NIC.ARPA")
        assert not match("foo+bar")
        assert match("foo.com")
        assert match("9foo.com")
        assert match("3Com.COM")
        assert match("3M.COM")


class RFC2616:
    """Definitions from RFC 2616 section 2.2, as cited in RFC 6265 4.1.1
    """
    SEPARATORS = '()<>@,;:\\"/[]?={} \t'


class RFC5234:
    """Basic definitions per RFC 5234: 'Augmented BNF for Syntax
    Specifications'
    """
    CHAR = "".join([chr(i) for i in range(0, 127 + 1)])
    CTL = "".join([chr(i) for i in range(0, 31 + 1)]) + "\x7f"
    # this isn't in the RFC but it can be handy
    NONCTL = "".join([chr(i) for i in range(32, 127)])
    # this is what the RFC says about a token more or less verbatim
    TOKEN = "".join(sorted(set(NONCTL) - set(RFC2616.SEPARATORS)))


class FixedOffsetTz(tzinfo):
    """A tzinfo subclass for attaching to datetime objects.

    Used for various tests involving date parsing, since Python stdlib does not
    obviously provide tzinfo subclasses and testing this module only requires
    a very simple one.
    """
    def __init__(self, offset):
        # tzinfo.utcoffset() throws an error for sub-minute amounts,
        # so round
        minutes = round(offset / 60.0, 0)
        self.__offset = timedelta(minutes=minutes)

    def utcoffset(self, dt):
        return self.__offset

    def tzname(self, dt):
        return "FixedOffsetTz" + str(self.__offset.seconds)

    def dst(self, dt):
        return timedelta(0)


class TestInvalidCookieError(object):
    """Exercise the trivial behavior of the InvalidCookieError exception.
    """
    def test_simple(self):
        "This be the test"
        def exception(data):
            "Gather an InvalidCookieError exception"
            try:
                raise InvalidCookieError(data)
            except InvalidCookieError as exception:
                return exception
            # other exceptions will pass through
            return None
        assert exception("no donut").data == "no donut"

        # Spot check for obvious junk in loggable representations.
        e = exception("yay\x00whee")
        assert "\x00" not in repr(e)
        assert "\x00" not in str(e)
        assert "yaywhee" not in repr(e)
        assert "yaywhee" not in str(e)
        assert "\n" not in repr(exception("foo\nbar"))


class TestInvalidCookieAttributeError(object):
    """Exercise the trivial behavior of InvalidCookieAttributeError.
    """
    def exception(self, *args, **kwargs):
        "Generate an InvalidCookieAttributeError exception naturally"
        try:
            raise InvalidCookieAttributeError(*args, **kwargs)
        except InvalidCookieAttributeError as exception:
            return exception
        return None

    def test_simple(self):
        e = self.exception("foo", "bar")
        assert e.name == "foo"
        assert e.value == "bar"

    def test_junk_in_loggables(self):
        # Spot check for obvious junk in loggable representations.
        # This isn't completely idle: for example, nulls are ignored in
        # %-formatted text, and this could be very misleading
        e = self.exception("ya\x00y", "whee")
        assert "\x00" not in repr(e)
        assert "\x00" not in str(e)
        assert "yay" not in repr(e)
        assert "yay" not in str(e)

        e = self.exception("whee", "ya\x00y")
        assert "\x00" not in repr(e)
        assert "\x00" not in str(e)
        assert "yay" not in repr(e)
        assert "yay" not in str(e)

        assert "\n" not in repr(self.exception("yay", "foo\nbar"))
        assert "\n" not in repr(self.exception("foo\nbar", "yay"))

    def test_no_name(self):
        # not recommended to do this, but we want to handle it if people do
        e = self.exception(None, "stuff")
        assert e.name == None
        assert e.value == "stuff"
        assert e.reason == None
        assert 'stuff' in str(e)


class TestDefinitions(object):
    """Test the patterns in cookies.Definitions against specs.
    """
    def test_cookie_name(self, check_unicode=False):
        """Check COOKIE_NAME against the token definition in RFC 2616 2.2 (as
        cited in RFC 6265):

       token          = 1*<any CHAR except CTLs or separators>
       separators     = "(" | ")" | "<" | ">" | "@"
                      | "," | ";" | ":" | "\" | <">
                      | "/" | "[" | "]" | "?" | "="
                      | "{" | "}" | SP | HT

        (Definitions.COOKIE_NAME is regex-ready while RFC5234.TOKEN is more
        clearly related to the RFC; they should be functionally the same)
        """
        regex = Definitions.COOKIE_NAME_RE
        assert regex.match(RFC5234.TOKEN)
        assert not regex.match(RFC5234.NONCTL)
        for c in RFC5234.CTL:
            assert not regex.match(c)
        for c in RFC2616.SEPARATORS:
            # Skip special case - some number of Java and PHP apps have used
            # colon in names, while this is dumb we want to not choke on this
            # by default since it may be the single biggest cause of bugs filed
            # against Python's cookie libraries
            if c == ':':
                continue
            assert not regex.match(c)
        # Unicode over 7 bit ASCII shouldn't match, but this takes a while
        if check_unicode:
            for i in range(127, 0x10FFFF + 1):
                assert not regex.match(unichr(i))

    def test_cookie_octet(self):
        """Check COOKIE_OCTET against the definition in RFC 6265:

        cookie-octet      = %x21 / %x23-2B / %x2D-3A / %x3C-5B / %x5D-7E
                              ; US-ASCII characters excluding CTLs,
                              ; whitespace DQUOTE, comma, semicolon,
                              ; and backslash
        """
        match = re.compile("^[%s]+\Z" % Definitions.COOKIE_OCTET).match
        for c in RFC5234.CTL:
            assert not match(c)
            assert not match("a%sb" % c)
        # suspect RFC typoed 'whitespace, DQUOTE' as 'whitespace DQUOTE'
        assert not match(' ')
        assert not match('"')
        assert not match(',')
        assert not match(';')
        assert not match('\\')
        # the spec above DOES include =.-
        assert match("=")
        assert match(".")
        assert match("-")

        # Check that everything else in CHAR works.
        safe_cookie_octet = "".join(sorted(
            set(RFC5234.NONCTL) - set(' ",;\\')))
        assert match(safe_cookie_octet)

    def test_set_cookie_header(self):
        """Smoke test SET_COOKIE_HEADER (used to compile SET_COOKIE_HEADER_RE)
        against HEADER_CASES.
        """
        # should match if expectation is not an error, shouldn't match if it is
        # an error. set-cookie-header is for responses not requests, so use
        # response expectation rather than request expectation
        match = re.compile(Definitions.SET_COOKIE_HEADER).match
        for case in HEADER_CASES:
            arg, kwargs, request_result, expected = case
            this_match = match(arg)
            if expected and not isinstance(expected, type):
                assert this_match, "should match as response: " + repr(arg)
            else:
                if not request_result:
                    assert not this_match, \
                            "should not match as response: " + repr(arg)

    def test_cookie_cases(self):
        """Smoke test COOKIE_HEADER (used to compile COOKIE_HEADER_RE) against
        HEADER_CASES.
        """
        # should match if expectation is not an error, shouldn't match if it is
        # an error. cookie-header is for requests not responses, so use request
        # expectation rather than response expectation
        match = re.compile(Definitions.COOKIE).match
        for case in HEADER_CASES:
            arg, kwargs, expected, response_result = case
            this_match = match(arg)
            if expected and not isinstance(expected, type):
                assert this_match, "should match as request: " + repr(arg)
            else:
                if not response_result:
                    assert not this_match, \
                    "should not match as request: " + repr(arg)

    def test_cookie_pattern(self):
        """Smoke test Definitions.COOKIE (used to compile COOKIE_RE) against
        the grammar for cookie-header as in RFC 6265.

         cookie-header     = "Cookie:" OWS cookie-string OWS
         cookie-string     = cookie-pair *( ";" SP cookie-pair )
         cookie-pair       = cookie-name "=" cookie-value
         cookie-name       = token
         cookie-value      = *cookie-octet / ( DQUOTE *cookie-octet DQUOTE )

         cookie-name and cookie-value are not broken apart for separate
         testing, as the former is essentially just token and the latter
         essentially just cookie-octet.
        """
        match = re.compile(Definitions.COOKIE).match
        # cookie-pair behavior around =
        assert match("foo").group('invalid')
        assert match("foo=bar")
        # Looks dumb, but this is legal because "=" is valid for cookie-octet.
        assert match("a=b=c")
        # DQUOTE *cookie-octet DQUOTE - allowed
        assert match('foo="bar"')

        # for testing on the contents of cookie name and cookie value,
        # see test_cookie_name and test_cookie_octet.

        regex = re.compile(Definitions.COOKIE)
        correct = [
            ('foo', 'yar', ''),
            ('bar', 'eeg', ''),
            ('baz', 'wog', ''),
            ('frob', 'laz', '')]

        def assert_correct(s):
            #naive = re.findall(" *([^;]+)=([^;]+) *(?:;|\Z)", s)
            result = regex.findall(s)
            assert result == correct
        # normal-looking case should work normally
        assert_correct("foo=yar; bar=eeg; baz=wog; frob=laz")
        # forgive lack of whitespace as long as semicolons are explicit
        assert_correct("foo=yar;bar=eeg;baz=wog;frob=laz")
        # forgive too much whitespace AROUND values
        assert_correct("  foo=yar;  bar=eeg;  baz=wog;   frob=laz  ")

        # Actually literal spaces are NOT allowed in cookie values per RFC 6265
        # and it is UNWISE to put them in without escaping. But we want the
        # flexibility to let this pass with a warning, because this is the kind
        # of bad idea which is very common and results in loud complaining on
        # issue trackers on the grounds that PHP does it or something. So the
        # regex is weakened, but the presence of a space should still be at
        # least noted, and an exception must be raised if = is also used
        # - because that would often indicate the loss of cookies due to
        # forgotten separator, as in "foo=yar bar=eeg baz=wog frob=laz".
        assert regex.findall("foo=yar; bar=eeg; baz=wog; frob=l az") == [
            ('foo', 'yar', ''),
            ('bar', 'eeg', ''),
            ('baz', 'wog', ''),
            # handle invalid internal whitespace.
            ('frob', 'l az', '')
            ]

        # Without semicolons or inside semicolon-delimited blocks, the part
        # before the first = should be interpreted as a name, and the rest as
        # a value (since = is not forbidden for cookie values). Thus:
        result = regex.findall("foo=yarbar=eegbaz=wogfrob=laz")
        assert result[0][0] == 'foo'
        assert result[0][1] == 'yarbar=eegbaz=wogfrob=laz'
        assert result[0][2] == ''

        # Make some bad values and see that it's handled reasonably.
        # (related to http://bugs.python.org/issue2988)
        # don't test on semicolon because the regexp stops there, reasonably.
        for c in '\x00",\\':
            nasty = "foo=yar" + c + "bar"
            result = regex.findall(nasty + "; baz=bam")
            # whole bad pair reported in the 'invalid' group (the third one)
            assert result[0][2] == nasty
            # kept on truckin' and got the other one just fine.
            assert result[1] == ('baz', 'bam', '')
            # same thing if the good one is first and the bad one second
            result = regex.findall("baz=bam; " + nasty)
            assert result[0] == ('baz', 'bam', '')
            assert result[1][2] == ' ' + nasty

    def test_extension_av(self, check_unicode=False):
        """Test Definitions.EXTENSION_AV against extension-av per RFC 6265.

        extension-av      = <any CHAR except CTLs or ";">
        """
        # This is how it's defined in RFC 6265, just about verbatim.
        extension_av_explicit = "".join(sorted(
                set(RFC5234.CHAR) - set(RFC5234.CTL + ";")))
        # ... that should turn out to be the same as Definitions.EXTENSION_AV
        match = re.compile("^([%s]+)\Z" % Definitions.EXTENSION_AV).match
        # Verify I didn't mess up on escaping here first
        assert match(r']')
        assert match(r'[')
        assert match(r"'")
        assert match(r'"')
        assert match("\\")
        assert match(extension_av_explicit)
        # There should be some CHAR not matched
        assert not match(RFC5234.CHAR)
        # Every single CTL should not match
        for c in RFC5234.CTL + ";":
            assert not match(c)
        # Unicode over 7 bit ASCII shouldn't match, but this takes a while
        if check_unicode:
            for i in range(127, 0x10FFFF + 1):
                assert not match(unichr(i))

    def test_max_age_av(self):
        "Smoke test Definitions.MAX_AGE_AV"
        # Not a lot to this, it's just digits
        match = re.compile("^%s\Z" % Definitions.MAX_AGE_AV).match
        assert not match("")
        assert not match("Whiskers")
        assert not match("Max-Headroom=992")
        for c in "123456789":
            assert not match(c)
            assert match("Max-Age=%s" % c)
        assert match("Max-Age=0")
        for c in RFC5234.CHAR:
            assert not match(c)

    def test_label(self, check_unicode=False):
        "Test label, as used in Domain attribute"
        match = re.compile("^(%s)\Z" % Definitions.LABEL).match
        for i in range(0, 10):
            assert match(str(i))
        assert not match(".")
        assert not match(",")
        for c in RFC5234.CTL:
            assert not match("a%sb" % c)
            assert not match("%sb" % c)
            assert not match("a%s" % c)
        # Unicode over 7 bit ASCII shouldn't match, but this takes a while
        if check_unicode:
            for i in range(127, 0x10FFFF + 1):
                assert not match(unichr(i))

    def test_domain_av(self):
        "Smoke test Definitions.DOMAIN_AV"
        # This is basically just RFC1123.subdomain, which has its own
        # assertions in the class definition
        bad_domains = [
                ""
                ]
        good_domains = [
                "foobar.com",
                "foo-bar.com",
                "3Com.COM"
                ]

        # First test DOMAIN via DOMAIN_RE
        match = Definitions.DOMAIN_RE.match
        for domain in bad_domains:
            assert not match(domain)
        for domain in good_domains:
            assert match(domain)

        # Now same tests through DOMAIN_AV
        match = re.compile("^%s\Z" % Definitions.DOMAIN_AV).match
        for domain in bad_domains:
            assert not match("Domain=%s" % domain)
        for domain in good_domains:
            assert not match(domain)
            assert match("Domain=%s" % domain)
        # This is NOT valid and shouldn't be tolerated in cookies we create,
        # but it should be tolerated in existing cookies since people do it;
        # interpreted by stripping the initial .
        assert match("Domain=.foo.net")

    def test_path_av(self):
        "Smoke test PATH and PATH_AV"
        # This is basically just EXTENSION_AV, see test_extension_av
        bad_paths = [
                ""
                ]
        good_paths = [
                "/",
                "/foo",
                "/foo/bar"
                ]
        match = Definitions.PATH_RE.match
        for path in bad_paths:
            assert not match(path)
        for path in good_paths:
            assert match(path)

        match = re.compile("^%s\Z" % Definitions.PATH_AV).match
        for path in bad_paths:
            assert not match("Path=%s" % path)
        for path in good_paths:
            assert not match(path)
            assert match("Path=%s" % path)

    def test_months(self):
        """Sanity checks on MONTH_SHORT and MONTH_LONG month name recognizers.

        The RFCs set these in stone, they aren't locale-dependent.
        """
        match = re.compile(Definitions.MONTH_SHORT).match
        assert match("Jan")
        assert match("Feb")
        assert match("Mar")
        assert match("Apr")
        assert match("May")
        assert match("Jun")
        assert match("Jul")
        assert match("Aug")
        assert match("Sep")
        assert match("Oct")
        assert match("Nov")
        assert match("Dec")

        match = re.compile(Definitions.MONTH_LONG).match
        assert match("January")
        assert match("February")
        assert match("March")
        assert match("April")
        assert match("May")
        assert match("June")
        assert match("July")
        assert match("August")
        assert match("September")
        assert match("October")
        assert match("November")
        assert match("December")

    def test_weekdays(self):
        """Sanity check on WEEKDAY_SHORT and WEEKDAY_LONG weekday
        recognizers.

        The RFCs set these in stone, they aren't locale-dependent.
        """
        match = re.compile(Definitions.WEEKDAY_SHORT).match
        assert match("Mon")
        assert match("Tue")
        assert match("Wed")
        assert match("Thu")
        assert match("Fri")
        assert match("Sat")
        assert match("Sun")

        match = re.compile(Definitions.WEEKDAY_LONG).match
        assert match("Monday")
        assert match("Tuesday")
        assert match("Wednesday")
        assert match("Thursday")
        assert match("Friday")
        assert match("Saturday")
        assert match("Sunday")

    def test_day_of_month(self):
        """Check that the DAY_OF_MONTH regex allows all actual days, but
        excludes obviously wrong ones (so they are tossed in the first pass).
        """
        match = re.compile(Definitions.DAY_OF_MONTH).match
        for day in ['01', '02', '03', '04', '05', '06', '07', '08', '09', ' 1',
                ' 2', ' 3', ' 4', ' 5', ' 6', ' 7', ' 8', ' 9', '1', '2', '3',
                '4', '5', '6', '7', '8', '9'] \
                    + [str(i) for i in range(10, 32)]:
            assert match(day)
        assert not match("0")
        assert not match("00")
        assert not match("000")
        assert not match("111")
        assert not match("99")
        assert not match("41")

    def test_expires_av(self):
        "Smoke test the EXPIRES_AV regex pattern"
        # Definitions.EXPIRES_AV is actually pretty bad because it's a disaster
        # to test three different date formats with lots of definition
        # dependencies, and odds are good that other implementations are loose.
        # so this parser is also loose. "liberal in what you accept,
        # conservative in what you produce"
        match = re.compile("^%s\Z" % Definitions.EXPIRES_AV).match
        assert not match("")
        assert not match("Expires=")

        assert match("Expires=Tue, 15-Jan-2013 21:47:38 GMT")
        assert match("Expires=Sun, 06 Nov 1994 08:49:37 GMT")
        assert match("Expires=Sunday, 06-Nov-94 08:49:37 GMT")
        assert match("Expires=Sun Nov  6 08:49:37 1994")
        # attributed to Netscape in RFC 2109 10.1.2
        assert match("Expires=Mon, 13-Jun-93 10:00:00 GMT")

        assert not match("Expires=S9n, 06 Nov 1994 08:49:37 GMT")
        assert not match("Expires=Sun3ay, 06-Nov-94 08:49:37 GMT")
        assert not match("Expires=S9n Nov  6 08:49:37 1994")

        assert not match("Expires=Sun, A6 Nov 1994 08:49:37 GMT")
        assert not match("Expires=Sunday, 0B-Nov-94 08:49:37 GMT")
        assert not match("Expires=Sun No8  6 08:49:37 1994")

        assert not match("Expires=Sun, 06 N3v 1994 08:49:37 GMT")
        assert not match("Expires=Sunday, 06-N8v-94 08:49:37 GMT")
        assert not match("Expires=Sun Nov  A 08:49:37 1994")

        assert not match("Expires=Sun, 06 Nov 1B94 08:49:37 GMT")
        assert not match("Expires=Sunday, 06-Nov-C4 08:49:37 GMT")
        assert not match("Expires=Sun Nov  6 08:49:37 1Z94")

    def test_no_obvious_need_for_disjunctive_attr_pattern(self):
        """Smoke test the assumption that extension-av is a reasonable set of
        chars for all attrs (and thus that there is no reason to use a fancy
        disjunctive pattern in the findall that splits out the attrs, freeing
        us to use EXTENSION_AV instead).

        If this works, then ATTR should work
        """
        match = re.compile("^[%s]+\Z" % Definitions.EXTENSION_AV).match
        assert match("Expires=Sun, 06 Nov 1994 08:49:37 GMT")
        assert match("Expires=Sunday, 06-Nov-94 08:49:37 GMT")
        assert match("Expires=Sun Nov  6 08:49:37 1994")
        assert match("Max-Age=14658240962")
        assert match("Domain=FoO.b9ar.baz")
        assert match("Path=/flakes")
        assert match("Secure")
        assert match("HttpOnly")

    def test_attr(self):
        """Smoke test ATTR, used to compile ATTR_RE.
        """
        match = re.compile(Definitions.ATTR).match

        def recognized(pattern):
            "macro for seeing if ATTR recognized something"
            this_match = match(pattern)
            if not this_match:
                return False
            groupdict = this_match.groupdict()
            if groupdict['unrecognized']:
                return False
            return True

        # Quickly test that a batch of attributes matching the explicitly
        # recognized patterns make it through without anything in the
        # 'unrecognized' catchall capture group.
        for pattern in [
                "Secure",
                "HttpOnly",
                "Max-Age=9523052",
                "Domain=frobble.com",
                "Domain=3Com.COM",
                "Path=/",
                "Expires=Wed, 09 Jun 2021 10:18:14 GMT",
                ]:
            assert recognized(pattern)

        # Anything else is in extension-av and that's very broad;
        # see test_extension_av for that test.
        # This is only about the recognized ones.
        assert not recognized("Frob=mugmannary")
        assert not recognized("Fqjewp@1j5j510923")
        assert not recognized(";aqjwe")
        assert not recognized("ETJpqw;fjw")
        assert not recognized("fjq;")
        assert not recognized("Expires=\x00")

        # Verify interface from regexp for extracting values isn't changed;
        # a little rigidity here is a good idea
        expires = "Wed, 09 Jun 2021 10:18:14 GMT"
        m = match("Expires=%s" % expires)
        assert m.group("expires") == expires

        max_age = "233951698"
        m = match("Max-Age=%s" % max_age)
        assert m.group("max_age") == max_age

        domain = "flarp"
        m = match("Domain=%s" % domain)
        assert m.group("domain") == domain

        path = "2903"
        m = match("Path=%s" % path)
        assert m.group("path") == path

        m = match("Secure")
        assert m.group("secure")
        assert not m.group("httponly")

        m = match("HttpOnly")
        assert not m.group("secure")
        assert m.group("httponly")

    def test_date_accepts_formats(self):
        """Check that DATE matches most formats used in Expires: headers,
        and explain what the different formats are about.

        The value extraction of this regexp is more comprehensively exercised
        by test_date_parsing().
        """
        # Date formats vary widely in the wild. Even the standards vary widely.
        # This series of tests does spot-checks with instances of formats that
        # it makes sense to support. In the following comments, each format is
        # discussed and the rationale for the overall regexp is developed.

        match = re.compile(Definitions.DATE).match

        # The most common formats, related to the old Netscape cookie spec
        # (NCSP), are supposed to follow this template:
        #
        #   Wdy, DD-Mon-YYYY HH:MM:SS GMT
        #
        # (where 'Wdy' is a short weekday, and 'Mon' is a named month).
        assert match("Mon, 20-Jan-1994 00:00:00 GMT")

        # Similarly, RFC 850 proposes this format:
        #
        #   Weekday, DD-Mon-YY HH:MM:SS GMT
        #
        # (with a long-form weekday and a 2-digit year).
        assert match("Tuesday, 12-Feb-92 23:25:42 GMT")

        # RFC 1036 obsoleted the RFC 850 format:
        #
        #   Wdy, DD Mon YY HH:MM:SS GMT
        #
        # (shortening the weekday format and changing dashes to spaces).
        assert match("Wed, 30 Mar 92 13:16:12 GMT")

        # RFC 6265 cites a definition from RFC 2616, which uses the RFC 1123
        # definition but limits it to GMT (consonant with NCSP). RFC 1123
        # expanded RFC 822 with 2-4 digit years (more permissive than NCSP);
        # RFC 822 left weekday and seconds as optional, and a day of 1-2 digits
        # (all more permissive than NCSP). Giving something like this:
        #
        #   [Wdy, ][D]D Mon [YY]YY HH:MM[:SS] GMT
        #
        assert match("Thu, 3 Apr 91 12:46 GMT")
        # No weekday, two digit year.
        assert match("13 Apr 91 12:46 GMT")

        # Similarly, there is RFC 2822:
        #
        #   [Wdy, ][D]D Mon YYYY HH:MM[:SS] GMT
        # (which only differs in requiring a 4-digit year, where RFC  1123
        # permits 2 or 3 digit years).
        assert match("13 Apr 1991 12:46 GMT")
        assert match("Wed, 13 Apr 1991 12:46 GMT")

        # The generalized format given above encompasses RFC 1036 and RFC 2822
        # and would encompass NCSP except for the dashes; allowing long-form
        # weekdays also encompasses the format proposed in RFC 850. Taken
        # together, this should cover something like 99% of Expires values
        # (see, e.g., https://bugzilla.mozilla.org/show_bug.cgi?id=610218)

        # Finally, we also want to support asctime format, as mentioned in RFC
        # 850 and RFC 2616 and occasionally seen in the wild:
        #       Wdy Mon DD HH:MM:SS YYYY
        # e.g.: Sun Nov  6 08:49:37 1994
        assert match("Sun Nov  6 08:49:37 1994")
        assert match("Sun Nov 26 08:49:37 1994")
        # Reportedly someone has tacked 'GMT' on to the end of an asctime -
        # although this is not RFC valid, it is pretty harmless
        assert match("Sun Nov 26 08:49:37 1994 GMT")

        # This test is not passed until it is shown that it wasn't trivially
        # because DATE was matching .* or similar. This isn't intended to be
        # a thorough test, just rule out the obvious reason. See test_date()
        # for a more thorough workout of the whole parse and render mechanisms
        assert not match("")
        assert not match("       ")
        assert not match("wobbly")
        assert not match("Mon")
        assert not match("Mon, 20")
        assert not match("Mon, 20 Jan")
        assert not match("Mon, 20,Jan,1994 00:00:00 GMT")
        assert not match("Tuesday, 12-Feb-992 23:25:42 GMT")
        assert not match("Wed, 30 Mar 92 13:16:1210 GMT")
        assert not match("Wed, 30 Mar 92 13:16:12:10 GMT")
        assert not match("Thu, 3 Apr 91 12:461 GMT")

    def test_eol(self):
        """Test that the simple EOL regex works basically as expected.
        """
        split = Definitions.EOL.split
        assert split("foo\nbar") == ["foo", "bar"]
        assert split("foo\r\nbar") == ["foo", "bar"]
        letters = list("ABCDEFGHIJKLMNOPQRSTUVWXYZ")
        assert split("\n".join(letters)) == letters
        assert split("\r\n".join(letters)) == letters

    def test_compiled(self):
        """Check that certain patterns are present as compiled regexps
        """
        re_type = type(re.compile(''))

        def present(name):
            "Macro for testing existence of an re in Definitions"
            item = getattr(Definitions, name)
            return item and isinstance(item, re_type)

        assert present("COOKIE_NAME_RE")
        assert present("COOKIE_RE")
        assert present("SET_COOKIE_HEADER_RE")
        assert present("ATTR_RE")
        assert present("DATE_RE")
        assert present("EOL")


def _test_init(cls, args, kwargs, expected):
    "Core instance test function for test_init"
    print("test_init", cls, args, kwargs)
    try:
        instance = cls(*args, **kwargs)
    except Exception as exception:
        if type(exception) == expected:
            return
        logging.error("expected %s, got %s", expected, repr(exception))
        raise
    if isinstance(expected, type) and issubclass(expected, Exception):
        raise AssertionError("No exception raised; "
        "expected %s for %s/%s" % (
            expected.__name__,
            repr(args),
            repr(kwargs)))
    for attr_name, attr_value in expected.items():
        assert getattr(instance, attr_name) == attr_value


class TestCookie(object):
    """Tests for the Cookie class.
    """
    # Test cases exercising different constructor calls to make a new Cookie
    # from scratch. Each case is tuple:
    # args, kwargs, exception or dict of expected attribute values
    # this exercises the default validators as well.
    creation_cases = [
            # bad call gives TypeError
            (("foo",), {}, TypeError),
            (("a", "b", "c"), {}, TypeError),
            # give un-ascii-able name - raises error due to likely
            # compatibility problems (cookie ignored, etc.)
            # in value it's fine, it'll be encoded and not inspected anyway.
            (("ăŊĻ", "b"), {}, InvalidCookieError),
            (("b", "ăŊĻ"), {}, {'name': 'b', 'value': "ăŊĻ"}),
            # normal simple construction gives name and value
            (("foo", "bar"), {}, {'name': 'foo', 'value': 'bar'}),
            # add a valid attribute and get it set
            (("baz", "bam"), {'max_age': 9},
                {'name': 'baz', 'value': 'bam', 'max_age': 9}),
            # multiple valid attributes
            (("x", "y"), {'max_age': 9, 'comment': 'fruity'},
                {'name': 'x', 'value': 'y',
                 'max_age': 9, 'comment': 'fruity'}),
            # invalid max-age
            (("w", "m"), {'max_age': 'loopy'}, InvalidCookieAttributeError),
            (("w", "m"), {'max_age': -1}, InvalidCookieAttributeError),
            (("w", "m"), {'max_age': 1.2}, InvalidCookieAttributeError),
            # invalid expires
            (("w", "m"), {'expires': 0}, InvalidCookieAttributeError),
            (("w", "m"), {'expires':
                datetime(2010, 1, 1, tzinfo=FixedOffsetTz(600))},
                InvalidCookieAttributeError),
            # control: valid expires
            (("w", "m"),
                {'expires': datetime(2010, 1, 1)},
                {'expires': datetime(2010, 1, 1)}),
            # invalid domain
            (("w", "m"), {'domain': ''}, InvalidCookieAttributeError),
            (("w", "m"), {'domain': '@'}, InvalidCookieAttributeError),
            (("w", "m"), {'domain': '.foo.net'}, {'domain': '.foo.net'}),
            # control: valid domain
            (("w", "m"),
                {'domain': 'foo.net'},
                {'domain': 'foo.net'},),
            # invalid path
            (("w", "m"), {'path': ''}, InvalidCookieAttributeError),
            (("w", "m"), {'path': '""'}, InvalidCookieAttributeError),
            (("w", "m"), {'path': 'foo'}, InvalidCookieAttributeError),
            (("w", "m"), {'path': '"/foo"'}, InvalidCookieAttributeError),
            (("w", "m"), {'path': ' /foo  '}, InvalidCookieAttributeError),
            # control: valid path
            (("w", "m"), {'path': '/'},
                    {'path': '/'}),
            (("w", "m"), {'path': '/axes'},
                    {'path': '/axes'}),
            # invalid version per RFC 2109/RFC 2965
            (("w", "m"), {'version': ''}, InvalidCookieAttributeError),
            (("w", "m"), {'version': 'baa'}, InvalidCookieAttributeError),
            (("w", "m"), {'version': -2}, InvalidCookieAttributeError),
            (("w", "m"), {'version': 2.3}, InvalidCookieAttributeError),
            # control: valid version
            (("w", "m"), {'version': 0}, {'version': 0}),
            (("w", "m"), {'version': 1}, {'version': 1}),
            (("w", "m"), {'version': 3042}, {'version': 3042}),
            # invalid secure, httponly
            (("w", "m"), {'secure': ''}, InvalidCookieAttributeError),
            (("w", "m"), {'secure': 0}, InvalidCookieAttributeError),
            (("w", "m"), {'secure': 1}, InvalidCookieAttributeError),
            (("w", "m"), {'secure': 'a'}, InvalidCookieAttributeError),
            (("w", "m"), {'httponly': ''}, InvalidCookieAttributeError),
            (("w", "m"), {'httponly': 0}, InvalidCookieAttributeError),
            (("w", "m"), {'httponly': 1}, InvalidCookieAttributeError),
            (("w", "m"), {'httponly': 'a'}, InvalidCookieAttributeError),
            # valid comment
            (("w", "m"), {'comment': 'a'}, {'comment': 'a'}),
            # invalid names
            # (unicode cases are done last because they mess with pytest print)
            ((None, "m"), {}, InvalidCookieError),
            (("", "m"), {}, InvalidCookieError),
            (("ü", "m"), {}, InvalidCookieError),
            # invalid values
            (("w", None), {}, {'name': 'w'}),
            # a control - unicode is valid value, just gets encoded on way out
            (("w", "üm"), {}, {'value': "üm"}),
            # comma
            (('a', ','), {}, {'value': ','}),
            # semicolons
            (('a', ';'), {}, {'value': ';'}),
            # spaces
            (('a', ' '), {}, {'value': ' '}),
            ]

    def test_init(self):
        """Exercise __init__ and validators.

        This is important both because it is a user-facing API, and also
        because the parse/render tests depend heavily on it.
        """
        creation_cases = self.creation_cases + [
            (("a", "b"), {'frob': 10}, InvalidCookieAttributeError)
            ]
        counter = 0
        for args, kwargs, expected in creation_cases:
            counter += 1
            logging.error("counter %d, %s, %s, %s", counter, args, kwargs,
                    expected)
            _test_init(Cookie, args, kwargs, expected)

    def test_set_attributes(self):
        """Exercise setting, validation and getting of attributes without
        much involving __init__. Also sets value and name.
        """
        for args, kwargs, expected in self.creation_cases:
            if not kwargs:
                continue
            try:
                cookie = Cookie("yarp", "flam")
                for attr, value in kwargs.items():
                    setattr(cookie, attr, value)
                if args:
                    cookie.name = args[0]
                    cookie.value = args[1]
            except Exception as e:
                if type(e) == expected:
                    continue
                raise
            if isinstance(expected, type) and issubclass(expected, Exception):
                raise AssertionError("No exception raised; "
                "expected %s for %s" % (
                    expected.__name__,
                    repr(kwargs)))
            for attr_name, attr_value in expected.items():
                assert getattr(cookie, attr_name) == attr_value

    def test_get_defaults(self):
        "Test that defaults are right for cookie attrs"
        cookie = Cookie("foo", "bar")
        for attr in (
                "expires",
                "max_age",
                "domain",
                "path",
                "comment",
                "version",
                "secure",
                "httponly"):
            assert hasattr(cookie, attr)
            assert getattr(cookie, attr) == None
        # Verify that not every name is getting something
        for attr in ("foo", "bar", "baz"):
            assert not hasattr(cookie, attr)
            with raises(AttributeError):
                getattr(cookie, attr)

    names_values = [
        ("a", "b"),
        ("foo", "bar"),
        ("baz", "1234567890"),
        ("!!#po99!", "blah"),
        ("^_~`*", "foo"),
        ("%s+|-.&$", "snah"),
        ("lub", "!@#$%^&*()[]{}|/:'<>~.?`"),
        ("woah", "====+-_"),
        ]

    def test_render_response(self):
        "Test rendering Cookie object for Set-Cookie: header"
        for name, value in self.names_values:
            cookie = Cookie(name, value)
            expected = "{name}={value}".format(
                    name=name, value=value)
            assert cookie.render_response() == expected
        for data, result in [
                ({'name': 'a', 'value': 'b'}, "a=b"),
                ({'name': 'foo', 'value': 'bar'}, "foo=bar"),
                ({'name': 'baz', 'value': 'bam'}, "baz=bam"),
                ({'name': 'baz', 'value': 'bam', 'max_age': 2},
                    "baz=bam; Max-Age=2"),
                ({'name': 'baz', 'value': 'bam',
                    'max_age': 2, 'comment': 'foobarbaz'},
                    "baz=bam; Max-Age=2; Comment=foobarbaz"),
                ({'name': 'baz', 'value': 'bam',
                    'max_age': 2,
                    'expires': datetime(1970, 1, 1),
                    },
                    "baz=bam; Max-Age=2; "
                    "Expires=Thu, 01 Jan 1970 00:00:00 GMT"),
                ({'name': 'baz', 'value': 'bam', 'path': '/yams',
                    'domain': '3Com.COM'},
                    "baz=bam; Domain=3Com.COM; Path=/yams"),
                ({'name': 'baz', 'value': 'bam', 'path': '/', 'secure': True,
                    'httponly': True},
                    "baz=bam; Path=/; Secure; HttpOnly"),
                ({'name': 'baz', 'value': 'bam', 'domain': '.domain'},
                    'baz=bam; Domain=domain'),
                ]:
            cookie = Cookie(**data)
            actual = sorted(cookie.render_response().split("; "))
            ideal = sorted(result.split("; "))
            assert actual == ideal

    def test_render_encode(self):
        """Test encoding of a few special characters.

        as in http://bugs.python.org/issue9824
        """
        cases = {
                ("x", "foo,bar;baz"): 'x=foo%2Cbar%3Bbaz',
                ("y", 'yap"bip'): 'y=yap%22bip',
                }
        for args, ideal in cases.items():
            cookie = Cookie(*args)
            assert cookie.render_response() == ideal
            assert cookie.render_request() == ideal

    def test_legacy_quotes(self):
        """Check that cookies which delimit values with quotes are understood
        but that this non-6265 behavior is not repeated in the output
        """
        cookie = Cookie.from_string(
                'Set-Cookie: y="foo"; version="1"; Path="/foo"')
        assert cookie.name == 'y'
        assert cookie.value == 'foo'
        assert cookie.version == 1
        assert cookie.path == "/foo"
        pieces = cookie.render_response().split("; ")
        assert pieces[0] == 'y=foo'
        assert set(pieces[1:]) == set([
            'Path=/foo', 'Version=1'
            ])

    def test_render_response_expires(self):
        "Simple spot check of cookie expires rendering"
        a = Cookie('a', 'blah')
        a.expires = parse_date("Wed, 23-Jan-1992 00:01:02 GMT")
        assert a.render_response() == \
                'a=blah; Expires=Thu, 23 Jan 1992 00:01:02 GMT'

        b = Cookie('b', 'blr')
        b.expires = parse_date("Sun Nov  6 08:49:37 1994")
        assert b.render_response() == \
                'b=blr; Expires=Sun, 06 Nov 1994 08:49:37 GMT'

    def test_eq(self):
        "Smoke test equality/inequality with Cookie objects"
        ref = Cookie('a', 'b')
        # trivial cases
        assert ref == ref
        assert not (ref != ref)
        assert None != ref
        assert not (None == ref)
        assert ref != None
        assert not (ref == None)
        # equivalence and nonequivalence
        assert Cookie('a', 'b') is not ref
        assert Cookie('a', 'b') == ref
        assert Cookie('x', 'y') != ref
        assert Cookie('a', 'y') != ref
        assert Cookie('a', 'b', path='/') != ref
        assert {'c': 'd'} != ref
        assert ref != {'c': 'd'}
        # unlike attribute values and sets of attributes
        assert Cookie('a', 'b', path='/a') \
                != Cookie('a', 'b', path='/')
        assert Cookie('x', 'y', max_age=3) != \
                Cookie('x', 'y', path='/b')
        assert Cookie('yargo', 'z', max_age=5) != \
                Cookie('yargo', 'z', max_age=6)
        assert ref != Cookie('a', 'b', domain='yab')
        # Exercise bytes conversion
        assert Cookie(b'a', 'b') == Cookie('a', 'b')
        assert Cookie(b'a', 'b') == Cookie(b'a', 'b')

    def test_manifest(self):
        "Test presence of important stuff on Cookie class"
        for name in ("attribute_names", "attribute_renderers",
                "attribute_parsers", "attribute_validators"):
            dictionary = getattr(Cookie, name)
            assert dictionary
            assert isinstance(dictionary, dict)

    def test_simple_extension(self):
        "Trivial example/smoke test of extending Cookie"

        count_state = [0]

        def call_counter(item=None):
            count_state[0] += 1
            return True if item else False

        class Cookie2(Cookie):
            "Example Cookie subclass with new behavior"
            attribute_names = {
                    'foo': 'Foo',
                    'bar': 'Bar',
                    'baz': 'Baz',
                    'ram': 'Ram',
                    }
            attribute_parsers = {
                    'foo': lambda s: "/".join(s),
                    'bar': call_counter,
                    'value': lambda s:
                             parse_value(s, allow_spaces=True),
                    }
            attribute_validators = {
                    'foo': lambda item: True,
                    'bar': call_counter,
                    'baz': lambda item: False,
                    }
            attribute_renderers = {
                    'foo': lambda s: "|".join(s) if s else None,
                    'bar': call_counter,
                    'name': lambda item: item,
                    }
        cookie = Cookie2("a", "b")
        for key in Cookie2.attribute_names:
            assert hasattr(cookie, key)
            assert getattr(cookie, key) == None
        cookie.foo = "abc"
        assert cookie.render_request() == "a=b"
        assert cookie.render_response() == "a=b; Foo=a|b|c"
        cookie.foo = None
        # Setting it to None makes it drop from the listing
        assert cookie.render_response() == "a=b"

        cookie.bar = "what"
        assert cookie.bar == "what"
        assert cookie.render_request() == "a=b"
        # bar's renderer returns a bool; if it's True we get Bar.
        # that's a special case for flags like HttpOnly.
        assert cookie.render_response() == "a=b; Bar"

        with raises(InvalidCookieAttributeError):
            cookie.baz = "anything"

        Cookie2('a', 'b fog')
        Cookie2('a', ' b=fo g')

    def test_from_string(self):
        with raises(InvalidCookieError):
            Cookie.from_string("")
        with raises(InvalidCookieError):
            Cookie.from_string("", ignore_bad_attributes=True)
        assert Cookie.from_string("", ignore_bad_cookies=True) == None

    def test_from_dict(self):
        assert Cookie.from_dict({'name': 'a', 'value': 'b'}) == \
                Cookie('a', 'b')
        assert Cookie.from_dict(
                {'name': 'a', 'value': 'b', 'duh': 'no'},
                ignore_bad_attributes=True) == \
                Cookie('a', 'b')
        with raises(InvalidCookieError):
            Cookie.from_dict({}, ignore_bad_attributes=True)
        with raises(InvalidCookieError):
            Cookie.from_dict({}, ignore_bad_attributes=False)
        with raises(InvalidCookieError):
            Cookie.from_dict({'name': ''}, ignore_bad_attributes=False)
        with raises(InvalidCookieError):
            Cookie.from_dict({'name': None, 'value': 'b'},
                    ignore_bad_attributes=False)
        assert Cookie.from_dict({'name': 'foo'}) == Cookie('foo', None)
        assert Cookie.from_dict({'name': 'foo', 'value': ''}) == \
                Cookie('foo', None)
        with raises(InvalidCookieAttributeError):
            assert Cookie.from_dict(
                    {'name': 'a', 'value': 'b', 'duh': 'no'},
                    ignore_bad_attributes=False)
        assert Cookie.from_dict({'name': 'a', 'value': 'b', 'expires': 2},
            ignore_bad_attributes=True) == Cookie('a', 'b')
        with raises(InvalidCookieAttributeError):
            assert Cookie.from_dict({'name': 'a', 'value': 'b', 'expires': 2},
                ignore_bad_attributes=False)


class Scone(object):
    """Non-useful alternative to Cookie class for tests only.
    """
    def __init__(self, name, value):
        self.name = name
        self.value = value

    @classmethod
    def from_dict(cls, cookie_dict):
        instance = cls(cookie_dict['name'], cookie_dict['value'])
        return instance

    def __eq__(self, other):
        if type(self) != type(other):
            return False
        if self.name != other.name:
            return False
        if self.value != other.value:
            return False
        return True


class Scones(Cookies):
    """Non-useful alternative to Cookies class for tests only.
    """
    DEFAULT_COOKIE_CLASS = Scone


class TestCookies(object):
    """Tests for the Cookies class.
    """
    creation_cases = [
            # Only args - simple
            ((Cookie("a", "b"),), {}, 1),
            # Only kwargs - simple
            (tuple(), {'a': 'b'}, 1),
            # Only kwargs - bigger
            (tuple(),
                {'axl': 'bosk',
                 'x': 'y',
                 'foo': 'bar',
                 'baz': 'bam'}, 4),
            # Sum between args/kwargs
            ((Cookie('a', 'b'),),
                {'axl': 'bosk',
                 'x': 'y',
                 'foo': 'bar',
                 'baz': 'bam'}, 5),
            # Redundant between args/kwargs
            ((Cookie('a', 'b'),
              Cookie('x', 'y')),
                {'axl': 'bosk',
                 'x': 'y',
                 'foo': 'bar',
                 'baz': 'bam'}, 5),
            ]

    def test_init(self):
        """Create some Cookies objects with __init__, varying the constructor
        arguments, and check on the results.

        Exercises __init__, __repr__, render_request, render_response, and
        simple cases of parse_response and parse_request.
        """
        def same(a, b):
            keys = sorted(set(a.keys() + b.keys()))
            for key in keys:
                assert a[key] == b[key]

        for args, kwargs, length in self.creation_cases:
            # Make a Cookies object using the args.
            cookies = Cookies(*args, **kwargs)
            assert len(cookies) == length

            # Render into various text formats.
            rep = repr(cookies)
            res = cookies.render_response()
            req = cookies.render_request()

            # Very basic sanity check on renders, fail fast and in a simple way
            # if output is truly terrible
            assert rep.count('=') == length
            assert len(res) == length
            assert [item.count('=') == 1 for item in res]
            assert req.count('=') == length
            assert len(req.split(";")) == length

            # Explicitly parse out the data (this can be simple since the
            # output should be in a highly consistent format)
            pairs = [item.split("=") for item in req.split("; ")]
            assert len(pairs) == length
            for name, value in pairs:
                cookie = cookies[name]
                assert cookie.name == name
                assert cookie.value == value

            # Parse the rendered output, check that result is equal to the
            # originally produced object.

            parsed = Cookies()
            parsed.parse_request(req)
            assert parsed == cookies

            parsed = Cookies()
            for item in res:
                parsed.parse_response(item)
            assert parsed == cookies

            # Check that all the requested cookies were created correctly:
            # indexed with correct names in dict, also with correctly set name
            # and value attributes.
            for cookie in args:
                assert cookies[cookie.name] == cookie
            for name, value in kwargs.items():
                cookie = cookies[name]
                assert cookie.name == name
                assert cookie.value == value
                assert name in rep
                assert value in rep

            # Spot check that setting an attribute still works
            # with these particular parameters. Not a torture test.
            for key in cookies:
                cookies[key].max_age = 42
            for line in cookies.render_response():
                assert line.endswith("Max-Age=42")

            # Spot check attribute deletion
            assert cookies[key].max_age
            del cookies[key].max_age
            assert cookies[key].max_age is None

            # Spot check cookie deletion
            keys = [key for key in cookies.keys()]
            for key in keys:
                del cookies[key]
                assert key not in cookies

    def test_eq(self):
        "Smoke test equality/inequality of Cookies objects"
        ref = Cookies(a='b')
        assert Cookies(a='b') == ref
        assert Cookies(b='c') != ref
        assert ref != Cookies(d='e')
        assert Cookies(a='x') != ref

        class Dummy(object):
            "Just any old object"
            pass
        x = Dummy()
        x.keys = True
        with raises(TypeError):
            assert ref != x

    def test_add(self):
        "Test the Cookies.add method"
        for args, kwargs, length in self.creation_cases:
            cookies = Cookies()
            cookies.add(*args, **kwargs)
            assert len(cookies) == length
            for cookie in args:
                assert cookies[cookie.name] == cookie
            for name, value in kwargs.items():
                cookie = cookies[name]
                assert cookie.value == value
            count = len(cookies)
            assert 'w' not in cookies
            cookies.add(w='m')
            assert 'w' in cookies
            assert count == len(cookies) - 1
            assert cookies['w'].value == 'm'

    def test_empty(self):
        "Trivial test of behavior of empty Cookies object"
        cookies = Cookies()
        assert len(cookies) == 0
        assert Cookies() == cookies

    def test_parse_request(self):
        """Test Cookies.parse_request.
        """
        def run(arg, **kwargs):
            "run Cookies.parse_request on an instance"
            cookies = Cookies()
            result = runner(cookies.parse_request)(arg, **kwargs)
            return result

        for i, case in enumerate(HEADER_CASES):
            arg, kwargs, expected, response_result = case

            # parse_request doesn't take ignore_bad_attributes. remove it
            # without changing original kwargs for further tests
            kwargs = kwargs.copy()
            if 'ignore_bad_attributes' in kwargs:
                del kwargs['ignore_bad_attributes']

            def expect(arg, kwargs):
                "repeated complex assertion"
                result = run(arg, **kwargs)
                assert result == expected \
                       or isinstance(expected, type) \
                       and type(result) == expected, \
                        "unexpected result for (%s): %s. should be %s" \
                        % (repr(arg), repr(result), repr(expected))

            # Check result - should be same with and without the prefix
            expect("Cookie: " + arg, kwargs)
            expect(arg, kwargs)

            # But it should not match with the response prefix.
            other_result = run("Set-Cookie: " + arg, **kwargs)
            assert other_result != expected
            assert other_result != response_result

            # If case expects InvalidCookieError, verify that it is suppressed
            # by ignore_bad_cookies.
            if expected == InvalidCookieError:
                kwargs2 = kwargs.copy()
                kwargs2['ignore_bad_cookies'] = True
                cookies = Cookies()
                # Let natural exception raise, easier to figure out
                cookies.parse_request(arg, **kwargs2)

        # Spot check that exception is raised for clearly wrong format
        assert not isinstance(run("Cookie: a=b"), InvalidCookieError)
        assert isinstance(run("Set-Cookie: a=b"), InvalidCookieError)

    def test_parse_response(self):
        """Test Cookies.parse_response.
        """
        def run(arg, **kwargs):
            "run parse_response method of a Cookies instance"
            cookies = Cookies()
            return runner(cookies.parse_response)(arg, **kwargs)

        for case in HEADER_CASES:
            arg, kwargs, request_result, expected = case
            # If we expect InvalidCookieError or InvalidCookieAttributeError,
            # telling the function to ignore those should result in no
            # exception.
            kwargs2 = kwargs.copy()
            if expected == InvalidCookieError:
                kwargs2['ignore_bad_cookies'] = True
                assert not isinstance(
                        run(arg, **kwargs2),
                        Exception)
            elif expected == InvalidCookieAttributeError:
                kwargs2['ignore_bad_attributes'] = True
                result = run(arg, **kwargs2)
                if isinstance(result, InvalidCookieAttributeError):
                    raise AssertionError("InvalidCookieAttributeError "
                        "should have been silenced/logged")
                else:
                    assert not isinstance(result, Exception)
            # Check result - should be same with and without the prefix
            sys.stdout.flush()
            result = run(arg, **kwargs)
            assert result == expected \
                    or isinstance(expected, type) \
                    and type(result) == expected, \
                    "unexpected result for (%s): %s. should be %s" \
                    % (repr(arg), repr(result), repr(expected))
            result = run("Set-Cookie: " + arg, **kwargs)
            assert result == expected \
                    or isinstance(expected, type) \
                    and type(result) == expected, \
                    "unexpected result for (%s): %s. should be %s" \
                    % (repr("Set-Cookie: " + arg),
                       repr(result), repr(expected))
            # But it should not match with the request prefix.
            other_result = run("Cookie: " + arg, **kwargs)
            assert other_result != expected
            assert other_result != request_result

        assert not isinstance(run("Set-Cookie: a=b"), InvalidCookieError)
        assert isinstance(run("Cookie: a=b"), InvalidCookieError)

    def test_exercise_parse_one_response_asctime(self):
        asctime = 'Sun Nov  6 08:49:37 1994'
        line = "Set-Cookie: a=b; Expires=%s" % asctime
        response_dict = parse_one_response(line)
        assert response_dict == \
            {'expires': 'Sun Nov  6 08:49:37 1994', 'name': 'a', 'value': 'b'}
        assert Cookie.from_dict(response_dict) == \
                Cookie('a', 'b', expires=parse_date(asctime))

    def test_get_all(self):
        cookies = Cookies.from_request('a=b; a=c; b=x')
        assert cookies['a'].value == 'b'
        assert cookies['b'].value == 'x'
        values = [cookie.value for cookie in cookies.get_all('a')]
        assert values == ['b', 'c']

    def test_custom_cookie_class_on_instance(self):
        cookies = Cookies(_cookie_class=Scone)
        cookies.add(a="b")
        assert cookies['a'] == Scone("a", "b")

    def test_custom_cookie_class_on_subclass(self):
        cookies = Scones()
        cookies.add(a="b")
        assert cookies['a'] == Scone("a", "b")

    def test_custom_cookie_class_on_instance_parse_request(self):
        cookies = Scones()
        cookies.parse_request("Cookie: c=d")
        assert cookies['c'] == Scone("c", "d")

    def test_custom_cookie_class_on_instance_parse_response(self):
        cookies = Scones()
        cookies.parse_response("Set-Cookie: c=d")
        assert cookies['c'] == Scone("c", "d")


def test_parse_date():
    """Throw a ton of dirty samples at the date parse/render and verify the
    exact output of rendering the parsed version of the sample.
    """
    cases = [
        # Obviously off format
        ("", None),
        ("    ", None),
        ("\t", None),
        ("\n", None),
        ("\x02\x03\x04", None),
        ("froppity", None),
        ("@@@@@%@#:%", None),
        ("foo bar baz", None),
        # We'll do a number of overall manglings.
        # First, show that the baseline passes
        ("Sat, 10 Oct 2009 13:47:21 GMT", "Sat, 10 Oct 2009 13:47:21 GMT"),
        # Delete semantically important pieces
        (" Oct 2009 13:47:21 GMT", None),
        ("Fri, Oct 2009 13:47:21 GMT", None),
        ("Fri, 10 2009 13:47:21 GMT", None),
        ("Sat, 10 Oct 2009 :47:21 GMT", None),
        ("Sat, 10 Oct 2009 13::21 GMT", None),
        ("Sat, 10 Oct 2009 13:47: GMT", None),
        # Replace single characters out of tokens with spaces - harder to
        # do programmatically because some whitespace can reasonably be
        # tolerated.
        ("F i, 10 Oct 2009 13:47:21 GMT", None),
        ("Fr , 10 Oct 2009 13:47:21 GMT", None),
        ("Fri, 10  ct 2009 13:47:21 GMT", None),
        ("Fri, 10 O t 2009 13:47:21 GMT", None),
        ("Fri, 10 Oc  2009 13:47:21 GMT", None),
        ("Sat, 10 Oct  009 13:47:21 GMT", None),
        ("Sat, 10 Oct 2 09 13:47:21 GMT", None),
        ("Sat, 10 Oct 20 9 13:47:21 GMT", None),
        ("Sat, 10 Oct 200  13:47:21 GMT", None),
        ("Sat, 10 Oct 2009 1 :47:21 GMT", None),
        ("Sat, 10 Oct 2009 13 47:21 GMT", None),
        ("Sat, 10 Oct 2009 13: 7:21 GMT", None),
        ("Sat, 10 Oct 2009 13:4 :21 GMT", None),
        ("Sat, 10 Oct 2009 13:47 21 GMT", None),
        ("Sat, 10 Oct 2009 13:47: 1 GMT", None),
        ("Sat, 10 Oct 2009 13:47:2  GMT", None),
        ("Sat, 10 Oct 2009 13:47:21  MT", None),
        ("Sat, 10 Oct 2009 13:47:21 G T", None),
        ("Sat, 10 Oct 2009 13:47:21 GM ", None),
        # Replace numeric elements with stuff that contains A-Z
        ("Fri, Burp Oct 2009 13:47:21 GMT", None),
        ("Fri, 10 Tabalqplar 2009 13:47:21 GMT", None),
        ("Sat, 10 Oct Fruit 13:47:21 GMT", None),
        ("Sat, 10 Oct 2009 13:47:21 Fruits", None),
        # Weekday
        (", Dec 31 00:00:00 2003", None),
        ("T, Dec 31 00:00:00 2003", None),
        ("Tu, Dec 31 00:00:00 2003", None),
        ("Hi, Dec 31 00:00:00 2003", None),
        ("Heretounforeseen, Dec 31 00:00:00 2003", None),
        ("Wednesday2, Dec 31 00:00:00 2003", None),
        ("Mon\x00frobs, Dec 31 00:00:00 2003", None),
        ("Mon\x10day, Dec 31 00:00:00 2003", None),
        # Day of month
        ("Fri, Oct 2009 13:47:21 GMT", None),
        ("Fri, 110 Oct 2009 13:47:21 GMT", None),
        ("Fri, 0 Oct 2009 13:47:21 GMT", None),
        ("Fri, 00 Oct 2009 13:47:21 GMT", None),
        ("Fri, 0  Oct 2009 13:47:21 GMT", None),
        ("Fri,  0 Oct 2009 13:47:21 GMT", None),
        ("Fri, 00 Oct 2009 13:47:21 GMT", None),
        ("Fri, 33 Oct 2009 13:47:21 GMT", None),
        ("Fri, 40 Oct 2009 13:47:21 GMT", None),
        ("Fri, A2 Oct 2009 13:47:21 GMT", None),
        ("Fri, 2\x00 Oct 2009 13:47:21 GMT", None),
        ("Fri, \t3 Oct 2009 13:47:21 GMT", None),
        ("Fri, 3\t Oct 2009 13:47:21 GMT", None),
        # Month
        ("Fri, 10  2009 13:47:21 GMT", None),
        ("Fri, 10 O 2009 13:47:21 GMT", None),
        ("Fri, 10 Oc 2009 13:47:21 GMT", None),
        ("Sat, 10 Octuarial 2009 13:47:21 GMT", None),
        ("Sat, 10 Octuary 2009 13:47:21 GMT", None),
        ("Sat, 10 Octubre 2009 13:47:21 GMT", None),
        # Year
        ("Sat, 10 Oct 009 13:47:21 GMT", None),
        ("Sat, 10 Oct 200 13:47:21 GMT", None),
        ("Sat, 10 Oct 209 13:47:21 GMT", None),
        ("Sat, 10 Oct 20 9 13:47:21 GMT", None),
        # Hour
        ("Sat, 10 Oct 2009 25:47:21 GMT", None),
        ("Sat, 10 Oct 2009 1@:47:21 GMT", None),
        # Minute
        ("Sat, 10 Oct 2009 13:71:21 GMT", None),
        ("Sat, 10 Oct 2009 13:61:21 GMT", None),
        ("Sat, 10 Oct 2009 13:60:21 GMT", None),
        ("Sat, 10 Oct 2009 24:01:00 GMT", None),
        # Second
        ("Sat, 10 Oct 2009 13:47 GMT", "Sat, 10 Oct 2009 13:47:00 GMT"),
        ("Sat, 10 Oct 2009 13:47:00 GMT", "Sat, 10 Oct 2009 13:47:00 GMT"),
        ("Sat, 10 Oct 2009 24:00:01 GMT", None),
        # Some reasonable cases (ignore weekday)
        ("Mon Dec 24 16:32:39 1977 GMT", "Sat, 24 Dec 1977 16:32:39 GMT"),
        ("Sat, 7 Dec 1991 13:56:05 GMT", "Sat, 07 Dec 1991 13:56:05 GMT"),
        ("Saturday, 8-Mar-2012 21:35:09 GMT", "Thu, 08 Mar 2012 21:35:09 GMT"),
        ("Sun, 1-Feb-1998 00:00:00 GMT", "Sun, 01 Feb 1998 00:00:00 GMT"),
        ("Thursday, 01-Jan-1983 01:01:01 GMT",
                "Sat, 01 Jan 1983 01:01:01 GMT"),
        ("Tue, 15-Nov-1973 22:23:24 GMT", "Thu, 15 Nov 1973 22:23:24 GMT"),
        ("Wed, 09 Dec 1999 23:59:59 GMT", "Thu, 09 Dec 1999 23:59:59 GMT"),
        ("Mon, 12-May-05 20:25:03 GMT", "Thu, 12 May 2005 20:25:03 GMT"),
        ("Thursday, 01-Jan-12 09:00:00 GMT", "Sun, 01 Jan 2012 09:00:00 GMT"),
        # starts like asctime, but flips the time and year - nonsense
        ("Wed Mar 12 2007 08:25:07 GMT", None),
        # starts like RFC 1123, but flips the time and year - nonsense
        ("Thu, 31 Dec 23:55:55 2107 GMT", None),
        ('Fri, 21-May-2004 10:40:51 GMT', "Fri, 21 May 2004 10:40:51 GMT"),
        # extra 2-digit year exercises
        ("Sat, 10 Oct 11 13:47:21 GMT", "Mon, 10 Oct 2011 13:47:21 GMT"),
        ("Sat, 10 Oct 09 13:47:22 GMT", "Sat, 10 Oct 2009 13:47:22 GMT"),
        ("Sat, 10 Oct 93 13:47:23 GMT", "Sun, 10 Oct 1993 13:47:23 GMT"),
        ("Sat, 10 Oct 85 13:47:24 GMT", "Thu, 10 Oct 1985 13:47:24 GMT"),
        ("Sat, 10 Oct 70 13:47:25 GMT", "Sat, 10 Oct 1970 13:47:25 GMT"),
        ("Sat, 10 Oct 69 13:47:26 GMT", "Thu, 10 Oct 2069 13:47:26 GMT"),
        # dealing with 3-digit year is incredibly tedious, will do as needed
        ("Sat, 10 Oct 969 13:47:26 GMT", None),
        ("Sat, 10 Oct 9 13:47:26 GMT", None),
        ("Fri, 10 Oct 19691 13:47:26 GMT", None),
    ]

    def change(string, position, new_value):
        "Macro to change a string"
        return string[:position] + new_value + string[position + 1:]

    original = "Sat, 10 Oct 2009 13:47:21 GMT"

    # Stuff garbage in every position - none of these characters should
    # ever be allowed in a date string.
    # not included because pytest chokes: "¿�␦"
    bad_chars = "/<>()\\*$#&=;\x00\b\f\n\r\"\'`?"
    for pos in range(0, len(original)):
        for bad_char in bad_chars:
            cases.append((change(original, pos, bad_char), None))

    # Invalidate each letter
    letter_positions = [i for (i, c) in enumerate(original)  \
                        if re.match("[A-Za-z]", c)]
    for pos in letter_positions:
        cases.append((change(original, pos, 'q'), None))
        cases.append((change(original, pos, '0'), None))
        cases.append((change(original, pos, '-'), None))
        cases.append((change(original, pos, ''), None))
        # But do tolerate case changes.
        c = original[pos]
        if c.isupper():
            c = c.lower()
        else:
            c = c.upper()
        cases.append((change(original, pos, c), original))

    # Invalidate each digit
    digit_positions = [i for (i, c) in enumerate(original) \
                       if c in "0123456789"]
    for pos in digit_positions:
        c = original[pos]
        cases.append((change(original, pos, 'q'), None))
        cases.append((change(original, pos, '-' + c), None))
        cases.append((change(original, pos, '+' + c), None))

    # Invalidate each space
    space_positions = [i for (i, c) in enumerate(original) \
                       if c in " \t\n\r"]
    for pos in space_positions:
        cases.append((change(original, pos, 'x'), None))
        cases.append((change(original, pos, '\t'), None))
        cases.append((change(original, pos, '  '), None))
        cases.append((change(original, pos, ''), None))

    # Invalidate each colon
    colon_positions = [i for (i, c) in enumerate(original) \
                       if c == ":"]
    for pos in colon_positions:
        cases.append((change(original, pos, 'z'), None))
        cases.append((change(original, pos, '0'), None))
        cases.append((change(original, pos, ' '), None))
        cases.append((change(original, pos, ''), None))

    for data, ideal in cases:
        actual = render_date(parse_date(data))
        assert actual == ideal


def runner(function):
    """Generate a function which collects the result/exception from another
    function, for easier assertions.
    """
    def run(*args, **kwargs):
        "Function which collects result/exception"
        actual_result, actual_exception = None, None
        try:
            actual_result = function(*args, **kwargs)
        except Exception as exception:
            actual_exception = exception
        return actual_exception or actual_result
    return run


# Define cases for testing parsing and rendering.
# Format: input, kwargs, expected parse_request result, expected parse_response
# result.

HEADER_CASES = [
        # cases with nothing that can be parsed out result in
        # InvalidCookieError. unless ignore_bad_cookies=True, then they give an
        # empty Cookies().
        ("", {},
            InvalidCookieError,
            InvalidCookieError),
        ('a', {},
            InvalidCookieError,
            InvalidCookieError),
        ("    ", {},
            InvalidCookieError,
            InvalidCookieError),
        (";;;;;", {},
            InvalidCookieError,
            InvalidCookieError),
        ("qwejrkqlwjere", {},
            InvalidCookieError,
            InvalidCookieError),
        # vacuous headers should give invalid
        ('Cookie: ', {},
            InvalidCookieError,
            InvalidCookieError),
        ('Set-Cookie: ', {},
            InvalidCookieError,
            InvalidCookieError),
        # Single pair should work the same as request or response
        ("foo=bar", {},
            Cookies(foo='bar'),
            Cookies(foo='bar')),
        ("SID=242d96421d4e", {},
            Cookies(SID='242d96421d4e'),
            Cookies(SID='242d96421d4e')),
        # Two pairs on SAME line should work with request, fail with response.
        # if ignore_bad_attributes, response should not raise.
        # and ignore_bad_attributes behavior should be default
        ("a=b; c=dx", {'ignore_bad_attributes': True},
            Cookies(a='b', c='dx'),
            Cookies(a='b')),
        ("a=b; c=d", {'ignore_bad_attributes': False},
            Cookies(a='b', c='d'),
            InvalidCookieAttributeError),
        ('g=h;j=k', {},
            Cookies(g='h', j='k'),
            Cookies(g='h')),
        # tolerance: response shouldn't barf on unrecognized attr by default,
        # but request should recognize as malformed
        ('a=b; brains', {},
            InvalidCookieError,
            Cookies(a='b')),
        # tolerance: should strip quotes and spaces
        ('A="BBB"', {},
            Cookies(A='BBB'),
            Cookies(A='BBB'),
            ),
        ('A=  "BBB"  ', {},
            Cookies(A='BBB'),
            Cookies(A='BBB'),
            ),
        # tolerance: should ignore dumb trailing ;
        ('foo=bar;', {},
            Cookies(foo='bar'),
            Cookies(foo='bar'),
            ),
        ('A="BBB";', {},
            Cookies(A='BBB'),
            Cookies(A='BBB'),
            ),
        ('A=  "BBB"  ;', {},
            Cookies(A='BBB'),
            Cookies(A='BBB'),
            ),
        # empty value
        ("lang=; Expires=Sun, 06 Nov 1994 08:49:37 GMT", {},
            InvalidCookieError,
            Cookies(
                Cookie('lang', '',
                    expires=parse_date(
                        "Sun, 06 Nov 1994 08:49:37 GMT")))),
        # normal examples of varying complexity
        ("frob=varvels; Expires=Wed, 09 Jun 2021 10:18:14 GMT", {},
            InvalidCookieError,
            Cookies(
                Cookie('frob', 'varvels',
                    expires=parse_date(
                        "Wed, 09 Jun 2021 10:18:14 GMT"
                        )))),
        ("lang=en-US; Expires=Wed, 03 Jun 2019 10:18:14 GMT", {},
            InvalidCookieError,
            Cookies(
                Cookie('lang', 'en-US',
                    expires=parse_date(
                        "Wed, 03 Jun 2019 10:18:14 GMT"
                        )))),
        # easily interpretable as multiple request cookies!
        ("CID=39b4d9be4d42; Path=/; Domain=example.com", {},
            Cookies(CID="39b4d9be4d42", Path='/', Domain='example.com'),
            Cookies(Cookie('CID', '39b4d9be4d42', path='/',
                domain='example.com'))),
        ("lang=en-US; Path=/; Domain=example.com", {},
            Cookies(lang='en-US', Path='/', Domain='example.com'),
            Cookies(Cookie('lang', 'en-US',
                path='/', domain='example.com'))),
        ("foo=bar; path=/; expires=Mon, 04-Dec-2001 12:43:00 GMT", {},
            InvalidCookieError,
            Cookies(
                Cookie('foo', 'bar', path='/',
                    expires=parse_date("Mon, 04-Dec-2001 12:43:00 GMT")
                ))),
        ("SID=0fae49; Path=/; Secure; HttpOnly", {},
            InvalidCookieError,
            Cookies(Cookie('SID', '0fae49',
                path='/', secure=True, httponly=True))),
        ('TMID=DQAAXKEaeo_aYp; Domain=mail.nauk.com; '
            'Path=/accounts; Expires=Wed, 13-Jan-2021 22:23:01 GMT; '
            'Secure; HttpOnly', {},
            InvalidCookieError,
            Cookies(
                Cookie('TMID', 'DQAAXKEaeo_aYp',
                    domain='mail.nauk.com',
                    path='/accounts', secure=True, httponly=True,
                    expires=parse_date("Wed, 13-Jan-2021 22:23:01 GMT")
                    ))),
        ("test=some_value; expires=Sat, 01-Jan-2000 00:00:00 GMT; "
         "path=/;", {},
            InvalidCookieError,
            Cookies(
                Cookie('test', 'some_value', path='/',
                    expires=parse_date('Sat, 01 Jan 2000 00:00:00 GMT')
                ))),
        # From RFC 2109 - accept the lots-of-dquotes style but don't produce.
        ('Customer="WILE_E_COYOTE"; Version="1"; Path="/acme"; '
         'Part_Number="Rocket_Launcher_0001"', {},
            Cookies(Customer='WILE_E_COYOTE', Version='1', Path='/acme',
                Part_Number='Rocket_Launcher_0001'),
            Cookies(Cookie('Customer', 'WILE_E_COYOTE',
                    version=1, path='/acme'))),
        # However, we don't honor RFC 2109 type meta-attributes
        ('Cookie: $Version="1"; Customer="WILE_E_COYOTE"; $Path="/acme"', {},
            InvalidCookieError,
            InvalidCookieError),
        # degenerate Domain=. is common, so should be handled though invalid
        ("lu=Qg3OHJZLehYLjVgAqiZbZbzo; Expires=Tue, 15-Jan-2013 "
         "21:47:38 GMT; Path=/; Domain=.foo.com; HttpOnly", {},
            InvalidCookieError,
            Cookies(Cookie('lu', "Qg3OHJZLehYLjVgAqiZbZbzo",
                expires=parse_date('Tue, 15 Jan 2013 21:47:38 GMT'),
                path='/', domain='.foo.com', httponly=True,
                ))),
        ('ZQID=AYBEVnDKrdst; Domain=.nauk.com; Path=/; '
         'Expires=Wed, 13-Jan-2021 22:23:01 GMT; HttpOnly', {},
            InvalidCookieError,
            Cookies(Cookie('ZQID', "AYBEVnDKrdst",
                httponly=True, domain='.nauk.com', path='/',
                expires=parse_date('Wed, 13 Jan 2021 22:23:01 GMT'),
                ))),
        ("OMID=Ap4PQQEq; Domain=.nauk.com; Path=/; "
            'Expires=Wed, 13-Jan-2021 22:23:01 GMT; Secure; HttpOnly', {},
            InvalidCookieError,
            Cookies(Cookie('OMID', "Ap4PQQEq",
                path='/', domain='.nauk.com', secure=True, httponly=True,
                expires=parse_date('Wed, 13 Jan 2021 22:23:01 GMT')
                ))),
        # question mark in value
        ('foo="?foo"; Path=/', {},
            Cookies(foo='?foo', Path='/'),
            Cookies(Cookie('foo', '?foo', path='/'))),
        # unusual format for secure/httponly
        ("a=b; Secure=true; HttpOnly=true;", {},
            Cookies(a='b', Secure='true', HttpOnly='true'),
            Cookies(Cookie('a', 'b', secure=True, httponly=True))),
        # invalid per RFC to have spaces in value, but here they are
        # URL-encoded by default. Extend the mechanism if this is no good
        ('user=RJMmei IORqmD; expires=Wed, 3 Nov 2007 23:20:39 GMT; path=/',
            {},
            InvalidCookieError,
            Cookies(
                Cookie('user', 'RJMmei IORqmD', path='/',
                    expires=parse_date("Wed, 3 Nov 2007 23:20:39 GMT")))),
        # Most characters from 32 to \x31 + 1 should be allowed in values -
        # not including space/32, dquote/34, comma/44.
        ("x=!#$%&'()*+-./01", {},
            Cookies(x="!#$%&'()*+-./01"),
            Cookies(x="!#$%&'()*+-./01")),
        # don't crash when value wrapped with quotes
        # http://bugs.python.org/issue3924
        ('a=b; version="1"', {},
            Cookies(a='b', version='1'),
            Cookies(Cookie('a', 'b', version=1))),
        # cookie with name 'expires'. inadvisable, but valid.
        # http://bugs.python.org/issue1117339
        ('expires=foo', {},
            Cookies(expires='foo'),
            Cookies(expires='foo')),
        # http://bugs.python.org/issue8826
        # quick date parsing spot-check, see test_parse_date for a real workout
        ('foo=bar; expires=Fri, 31-Dec-2010 23:59:59 GMT', {},
            InvalidCookieError,
            Cookies(
                Cookie('foo', 'bar',
                expires=datetime(2010, 12, 31, 23, 59, 59)))),
        # allow VALID equals sign in values - not even an issue in RFC 6265 or
        # this module, but very helpful for base64 and always worth checking.
        # http://bugs.python.org/issue403473
        ('a=Zm9vIGJhcg==', {},
            Cookies(a='Zm9vIGJhcg=='),
            Cookies(a='Zm9vIGJhcg==')),
        ('blah="Foo=2"', {},
            Cookies(blah='Foo=2'),
            Cookies(blah='Foo=2')),
        # take the first cookie in request parsing.
        # (response parse ignores the second one as a bad attribute)
        # http://bugs.python.org/issue1375011
        # http://bugs.python.org/issue1372650
        # http://bugs.python.org/issue7504
        ('foo=33;foo=34', {},
            Cookies(foo='33'),
            Cookies(foo='33')),
        # Colons in names (invalid!), as used by some dumb old Java/PHP code
        # http://bugs.python.org/issue2988
        # http://bugs.python.org/issue472646
        # http://bugs.python.org/issue2193
        ('a:b=c', {},
            Cookies(
                Cookie('a:b', 'c')),
            Cookies(
                Cookie('a:b', 'c'))),
#       # http://bugs.python.org/issue991266
#       # This module doesn't do the backslash quoting so this would
#       # effectively require allowing all possible characters inside arbitrary
#       # attributes, which does not seem reasonable.
#       ('foo=bar; Comment="\342\230\243"', {},
#           Cookies(foo='bar', Comment='\342\230\243'),
#           Cookies(
#               Cookie('foo', 'bar', comment='\342\230\243')
#               )),
        ]


def _cheap_request_parse(arg1, arg2):
    """Really cheap parse like what client code often does, for
    testing request rendering (determining order-insensitively whether two
    cookies-as-text are equivalent). 'a=b; x=y' type format
    """
    def crumble(arg):
        "Break down string into pieces"
        pieces = [piece.strip('\r\n ;') for piece in re.split("(\r\n|;)", arg)]
        pieces = [piece for piece in pieces if piece and '=' in piece]
        pieces = [tuple(piece.split("=", 1)) for piece in pieces]
        pieces = [(name.strip(), value.strip('" ')) for name, value in pieces]
        # Keep the first one in front (can use set down the line);
        # the rest are sorted
        if len(pieces) > 1:
            pieces = [pieces[0]] + sorted(pieces[1:])
        return pieces

    def dedupe(pieces):
        "Eliminate duplicate pieces"
        deduped = {}
        for name, value in pieces:
            if name in deduped:
                continue
            deduped[name] = value
        return sorted(deduped.items(),
                key=pieces.index)

    return dedupe(crumble(arg1)), crumble(arg2)


def _cheap_response_parse(arg1, arg2):
    """Silly parser for 'name=value; attr=attrvalue' format,
    to test out response renders
    """
    def crumble(arg):
        "Break down string into pieces"
        lines = [line for line in arg if line]
        done = []
        for line in lines:
            clauses = [clause for clause in line.split(';')]
            import logging
            logging.error("clauses %r", clauses)
            name, value = re.split(" *= *", clauses[0], 1)
            value = unquote(value.strip(' "'))
            attrs = [re.split(" *= *", clause, 1) \
                    for clause in clauses[1:] if clause]
            attrs = [attr for attr in attrs \
                     if attr[0] in Cookie.attribute_names]
            attrs = [(k, v.strip(' "')) for k, v in attrs]
            done.append((name, value, tuple(attrs)))
        return done
    result1 = crumble([arg1])
    result2 = crumble(arg2)
    return result1, result2


def test_render_request():
    """Test the request renderer against HEADER_CASES.
    Perhaps a wider range of values is tested in TestCookies.test_init.
    """
    for case in HEADER_CASES:
        arg, kwargs, cookies, _ = case
        # can't reproduce examples which are supposed to throw parse errors
        if isinstance(cookies, type) and issubclass(cookies, Exception):
            continue
        rendered = cookies.render_request()
        expected, actual = _cheap_request_parse(arg, rendered)
        # we can only use set() here because requests aren't order sensitive.
        assert set(actual) == set(expected)


def test_render_response():
    """Test the response renderer against HEADER_CASES.
    Perhaps a wider range of values is tested in TestCookies.test_init.
    """
    def filter_attrs(items):
        "Filter out the items which are Cookie attributes"
        return [(name, value) for (name, value) in items \
                if name.lower() in Cookie.attribute_names]

    for case in HEADER_CASES:
        arg, kwargs, _, cookies = case
        # can't reproduce examples which are supposed to throw parse errors
        if isinstance(cookies, type) and issubclass(cookies, Exception):
            continue
        rendered = cookies.render_response()
        expected, actual = _cheap_response_parse(arg, rendered)
        expected, actual = set(expected), set(actual)
        assert actual == expected, \
                "failed: %s -> %s | %s != %s" % (arg, repr(cookies), actual,
                        expected)


def test_backslash_roundtrip():
    """Check that backslash in input or value stays backslash internally but
    goes out as %5C, and comes back in again as a backslash.
    """
    reference = Cookie('xx', '\\')
    assert len(reference.value) == 1
    reference_request = reference.render_request()
    reference_response = reference.render_response()
    assert '\\' not in reference_request
    assert '\\' not in reference_response
    assert '%5C' in reference_request
    assert '%5C' in reference_response

    # Parse from multiple entry points
    raw_cookie = r'xx="\"'
    parsed_cookies = [Cookie.from_string(raw_cookie),
              Cookies.from_request(raw_cookie)['xx'],
              Cookies.from_response(raw_cookie)['xx']]
    for parsed_cookie in parsed_cookies:
        assert parsed_cookie.name == reference.name
        assert parsed_cookie.value == reference.value
        # Renders should match exactly
        request = parsed_cookie.render_request()
        response = parsed_cookie.render_response()
        assert request == reference_request
        assert response == reference_response
        # Reparses should too
        rrequest = Cookies.from_request(request)['xx']
        rresponse = Cookies.from_response(response)['xx']
        assert rrequest.name == reference.name
        assert rrequest.value == reference.value
        assert rresponse.name == reference.name
        assert rresponse.value == reference.value


def _simple_test(function, case_dict):
    "Macro for making simple case-based tests for a function call"
    def actual_test():
        "Test generated by _simple_test"
        for arg, expected in case_dict.items():
            logging.info("case for %s: %s %s",
                          repr(function), repr(arg), repr(expected))
            result = function(arg)
            assert result == expected, \
                    "%s(%s) != %s, rather %s" % (
                            function.__name__,
                            repr(arg),
                            repr(expected),
                            repr(result))
    actual_test.cases = case_dict
    return actual_test

test_strip_spaces_and_quotes = _simple_test(strip_spaces_and_quotes, {
    '   ': '',
    '""': '',
    '"': '"',
    "''": "''",
    '   foo    ': 'foo',
    'foo    ': 'foo',
    '    foo': 'foo',
    '   ""  ': '',
    ' " "  ': ' ',
    '   "  ': '"',
    'foo bar': 'foo bar',
    '"foo bar': '"foo bar',
    'foo bar"': 'foo bar"',
    '"foo bar"': 'foo bar',
    '"dquoted"': 'dquoted',
    '   "dquoted"': 'dquoted',
    '"dquoted"     ': 'dquoted',
    '   "dquoted"     ': 'dquoted',
    })

test_parse_string = _simple_test(parse_string, {
    None: None,
    '': '',
    b'': '',
    })

test_parse_domain = _simple_test(parse_domain, {
    '  foo   ': 'foo',
    '"foo"': 'foo',
    '  "foo"  ': 'foo',
    '.foo': '.foo',
    })

test_parse_path = _simple_test(parse_path, {
    })


def test_render_date():
    "Test date render routine directly with raw datetime objects"
    # Date rendering is also exercised pretty well in test_parse_date.

    cases = {
        # Error for anything which is not known UTC/GMT
        datetime(2001, 10, 11, tzinfo=FixedOffsetTz(60 * 60)):
            AssertionError,
        # A couple of baseline tests
        datetime(1970, 1, 1, 0, 0, 0):
            'Thu, 01 Jan 1970 00:00:00 GMT',
        datetime(2007, 9, 2, 13, 59, 49):
            'Sun, 02 Sep 2007 13:59:49 GMT',
        # Don't produce 1-digit hour
        datetime(2007, 9, 2, 1, 59, 49):
            "Sun, 02 Sep 2007 01:59:49 GMT",
        # Don't produce 1-digit minute
        datetime(2007, 9, 2, 1, 1, 49):
            "Sun, 02 Sep 2007 01:01:49 GMT",
        # Don't produce 1-digit second
        datetime(2007, 9, 2, 1, 1, 2):
            "Sun, 02 Sep 2007 01:01:02 GMT",
        # Allow crazy past/future years for cookie delete/persist
        datetime(1900, 9, 2, 1, 1, 2):
            "Sun, 02 Sep 1900 01:01:02 GMT",
        datetime(3000, 9, 2, 1, 1, 2):
            "Tue, 02 Sep 3000 01:01:02 GMT"
        }

    for dt, expected in cases.items():
        if isinstance(expected, type) and issubclass(expected, Exception):
            try:
                render_date(dt)
            except expected:
                continue
            except Exception as exception:
                raise AssertionError("expected %s, got %s"
                        % (expected, exception))
            raise AssertionError("expected %s, got no exception"
                % (expected))
        else:
            assert render_date(dt) == expected


def test_encoding_assumptions(check_unicode=False):
    "Document and test assumptions underlying URL encoding scheme"
    # Use the RFC 6265 based character class to build a regexp matcher that
    # will tell us whether or not a character is okay to put in cookie values.
    cookie_value_re = re.compile("[%s]" % Definitions.COOKIE_OCTET)
    # Figure out which characters are okay. (unichr doesn't exist in Python 3,
    # in Python 2 it shouldn't be an issue)
    cookie_value_safe1 = set(chr(i) for i in range(0, 256) \
                            if cookie_value_re.match(chr(i)))
    cookie_value_safe2 = set(unichr(i) for i in range(0, 256) \
                            if cookie_value_re.match(unichr(i)))
    # These two are NOT the same on Python3
    assert cookie_value_safe1 == cookie_value_safe2
    # Now which of these are quoted by urllib.quote?
    # caveat: Python 2.6 crashes if chr(127) is passed to quote and safe="",
    # so explicitly set it to b"" to avoid the issue
    safe_but_quoted = set(c for c in cookie_value_safe1
                          if quote(c, safe=b"") != c)
    # Produce a set of characters to give to urllib.quote for the safe parm.
    dont_quote = "".join(sorted(safe_but_quoted))
    # Make sure it works (and that it works because of what we passed)
    for c in dont_quote:
        assert quote(c, safe="") != c
        assert quote(c, safe=dont_quote) == c

    # Make sure that the result of using dont_quote as the safe characters for
    # urllib.quote produces stuff which is safe as a cookie value, but not
    # different unless it has to be.
    for i in range(0, 255):
        original = chr(i)
        quoted = quote(original, safe=dont_quote)
        # If it is a valid value for a cookie, that quoting should leave it
        # alone.
        if cookie_value_re.match(original):
            assert original == quoted
        # If it isn't a valid value, then the quoted value should be valid.
        else:
            assert cookie_value_re.match(quoted)

    assert set(dont_quote) - set('~') == set("!#$%&'()*+/:<=>?@[]^`{|}")

    # From 128 on urllib.quote will not work on a unichr() return value.
    # We'll want to encode utf-8 values into ASCII, then do the quoting.
    # Verify that this is reversible.
    if check_unicode:
        for c in (unichr(i) for i in range(0, 1114112)):
            asc = c.encode('utf-8')
            quoted = quote(asc, safe=dont_quote)
            unquoted = unquote(asc)
            unicoded = unquoted.decode('utf-8')
            assert unicoded == c

    # Now do the same for extension-av.
    extension_av_re = re.compile("[%s]" % Definitions.EXTENSION_AV)
    extension_av_safe = set(chr(i) for i in range(0, 256) \
                            if extension_av_re.match(chr(i)))
    safe_but_quoted = set(c for c in extension_av_safe \
                          if quote(c, safe="") != c)
    dont_quote = "".join(sorted(safe_but_quoted))
    for c in dont_quote:
        assert quote(c, safe="") != c
        assert quote(c, safe=dont_quote) == c

    for i in range(0, 255):
        original = chr(i)
        quoted = quote(original, safe=dont_quote)
        if extension_av_re.match(original):
            assert original == quoted
        else:
            assert extension_av_re.match(quoted)

    assert set(dont_quote) - set('~') == set(' !"#$%&\'()*+,/:<=>?@[\\]^`{|}')


test_encode_cookie_value = _simple_test(encode_cookie_value,
    {
        None: None,
        ' ': '%20',
        # let through
        '!': '!',
        '#': '#',
        '$': '$',
        '%': '%',
        '&': '&',
        "'": "'",
        '(': '(',
        ')': ')',
        '*': '*',
        '+': '+',
        '/': '/',
        ':': ':',
        '<': '<',
        '=': '=',
        '>': '>',
        '?': '?',
        '@': '@',
        '[': '[',
        ']': ']',
        '^': '^',
        '`': '`',
        '{': '{',
        '|': '|',
        '}': '}',
        '~': '~',
        # not let through
        ' ': '%20',
        '"': '%22',
        ',': '%2C',
        '\\': '%5C',
        'crud,': 'crud%2C',
    })

test_encode_extension_av = _simple_test(encode_extension_av,
    {
        None: '',
        '': '',
        'foo': 'foo',
        # stuff this lets through that cookie-value does not
        ' ': ' ',
        '"': '"',
        ',': ',',
        '\\': '\\',
        'yo\\b': 'yo\\b',
    })

test_valid_value = _simple_test(valid_value,
    {
        None: False,
        '': True,
        'ಠ_ಠ': True,
        'μῆνιν ἄειδε θεὰ Πηληϊάδεω Ἀχιλῆος': True,
        '这事情得搞好啊': True,
        '宮崎 駿': True,
        'أم كلثوم': True,
        'ედუარდ შევარდნაძე': True,
        'Myötähäpeä': True,
        'Pedro Almodóvar': True,
#       b'': True,
#       b'ABCDEFGHIJKLMNOPQRSTUVWXYZ': True,
        'Pedro Almodóvar'.encode('utf-8'): False,
    })

test_valid_date = _simple_test(valid_date,
    {
        datetime(2011, 1, 1): True,
        datetime(2011, 1, 1, tzinfo=FixedOffsetTz(1000)): False,
        datetime(2011, 1, 1, tzinfo=FixedOffsetTz(0)): True,
    })

test_valid_domain = _simple_test(valid_domain,
    {
        '': False,
        ' ': False,
        '.': False,
        '..': False,
        '.foo': True,
        '"foo"': False,
        'foo': True,
    })

test_valid_path = _simple_test(valid_path,
    {
        '': False,
        ' ': False,
        '/': True,
        'a': False,
        '/a': True,
        '\x00': False,
        '/\x00': False,
    })


def test_many_pairs():
    """Simple 'lots of pairs' test
    """
    from_request = Cookies.from_request
    header = "a0=0"
    for i in range(1, 100):
        i_range = list(range(0, i))
        cookies = from_request(header)
        assert len(cookies) == i
        for j in i_range:
            key = 'a%d' % j
            assert cookies[key].value == str(j * 10)
            assert cookies[key].render_request() == \
                    "a%d=%d" % (j, j * 10)

        # same test, different entry point
        cookies = Cookies()
        cookies.parse_request(header)
        assert len(cookies) == i
        for j in i_range:
            key = 'a%d' % j
            assert cookies[key].value == str(j * 10)
            assert cookies[key].render_request() == \
                    "a%d=%d" % (j, j * 10)

        # Add another piece to the header
        header += "; a%d=%d" % (i, i * 10)


def test_parse_value():
    # this really just glues together strip_spaces_and_quotes
    # and parse_string, so reuse their test cases
    cases = {}
    cases.update(test_strip_spaces_and_quotes.cases)
    cases.update(test_parse_string.cases)
    for inp, expected in cases.items():
        print("case", inp, expected)
        # Test with spaces allowed
        obtained = parse_value(inp, allow_spaces=True)
        assert obtained == expected

        # Test with spaces disallowed, if it could do anything
        if (isinstance(inp, bytes) and ' ' in inp.decode('utf-8').strip()) \
        or (not isinstance(inp, bytes) and inp and ' ' in inp.strip()):
            try:
                obtained = parse_value(inp, allow_spaces=False)
            except AssertionError:
                pass
            else:
                raise AssertionError("parse_value(%s, allow_spaces=False) "
                                     "did not raise" % repr(inp))


def test_total_seconds():
    """This wrapper probably doesn't need testing so much, and it's not
    entirely trivial to fully exercise, but the coverage is nice to have
    """
    def basic_sanity(td_type):
        assert _total_seconds(td_type(seconds=1)) == 1
        assert _total_seconds(td_type(seconds=1, minutes=1)) == 1 + 60
        assert _total_seconds(td_type(seconds=1, minutes=1, hours=1)) == \
                1 + 60 + 60 * 60

    basic_sanity(timedelta)

    class FakeTimeDelta(object):
        def __init__(self, days=0, hours=0, minutes=0, seconds=0,
                     microseconds=0):
            self.days = days
            self.seconds = seconds + minutes * 60 + hours * 60 * 60
            self.microseconds = microseconds

    assert not hasattr(FakeTimeDelta, "total_seconds")
    basic_sanity(FakeTimeDelta)

    FakeTimeDelta.total_seconds = lambda: None.missing_attribute
    try:
        _total_seconds(None)
    except AttributeError as e:
        assert 'total_seconds' not in str(e)


def test_valid_value_bad_quoter():
    def bad_quote(s):
        return "Frogs"

    assert valid_value("eep", quote=bad_quote) == False