aboutsummaryrefslogtreecommitdiffstats
path: root/test_archivemail.py
blob: 937ab37be4370cff522f032fe6beca8db12d6860 (plain)
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
#!/usr/bin/env python
############################################################################
# Copyright (C) 2002  Paul Rodger <paul@paulrodger.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
############################################################################
# $Id$
"""
Unit-test archivemail using 'PyUnit'.

TODO: add tests for:
    * procmail locks already existing
    * messages with corrupted date headers
    * archiving maildir-format mailboxes
    * archiving MH-format mailboxes
    * running archivemail via os.system()
    * test the include_flagged option works
    * preservation of status information from maildir to mbox
    * a 3rd party process changing the mbox file being read

"""

import sys

def check_python_version(): 
    """Abort if we are running on python < v2.0"""
    too_old_error = "This program requires python v2.0 or greater."
    try: 
        version = sys.version_info  # we might not even have this function! :)
        if (version[0] < 2):
            print too_old_error
            sys.exit(1)
    except AttributeError:
        print too_old_error
        sys.exit(1)

check_python_version()  # define & run this early because 'unittest' is new

import fcntl
import filecmp
import os
import shutil
import stat
import tempfile
import time
import unittest

try:
    import archivemail
except ImportError:
    print "The archivemail script needs to be called 'archivemail.py'"
    print "and should be in the current directory in order to be imported"
    print "and tested. Sorry."
    if os.path.isfile("archivemail"):
        print "Try renaming it from 'archivemail' to 'archivemail.py'."
    sys.exit(1)



############ Mbox Class testing ##############

class TestMboxIsEmpty(unittest.TestCase):
    def setUp(self):
        self.empty_name = make_mbox(messages=0)
        self.not_empty_name = make_mbox(messages=1)

    def testEmpty(self):
        """is_empty() should be true for an empty mbox"""
        mbox = archivemail.Mbox(self.empty_name)
        assert(mbox.is_empty())

    def testNotEmpty(self):
        """is_empty() should be false for a non-empty mbox"""
        mbox = archivemail.Mbox(self.not_empty_name)
        assert(not mbox.is_empty())

    def tearDown(self):
        for name in (self.empty_name, self.not_empty_name):
            if os.path.exists(name):
                os.remove(name)


class TestMboxLeaveEmpty(unittest.TestCase):
    def setUp(self):
        self.mbox_name = make_mbox()
        self.mbox_mode = os.stat(self.mbox_name)[stat.ST_MODE]
        self.mbox = archivemail.Mbox(self.mbox_name)

    def testLeaveEmpty(self):
        """leave_empty should leave a zero-length file"""
        self.mbox.leave_empty()
        assert(os.path.isfile(self.mbox_name))
        self.assertEqual(os.path.getsize(self.mbox_name), 0)
        new_mode = os.stat(self.mbox_name)[stat.ST_MODE]
        self.assertEqual(new_mode, self.mbox_mode)

    def tearDown(self):
        if os.path.exists(self.mbox_name):
            os.remove(self.mbox_name)


class TestMboxProcmailLock(unittest.TestCase):
    def setUp(self):
        self.mbox_name = make_mbox()
        self.mbox_mode = os.stat(self.mbox_name)[stat.ST_MODE]
        self.mbox = archivemail.Mbox(self.mbox_name)

    def testProcmailLock(self):
        """procmail_lock/unlock should create/delete a lockfile"""
        lock = self.mbox_name + ".lock"
        self.mbox.procmail_lock()
        assert(os.path.isfile(lock))
        assert(is_world_readable(lock))
        self.mbox.procmail_unlock()
        assert(not os.path.isfile(lock))

    def tearDown(self):
        if os.path.exists(self.mbox_name):
            os.remove(self.mbox_name)


class TestMboxRemove(unittest.TestCase):
    def setUp(self):
        self.mbox_name = make_mbox()
        self.mbox = archivemail.Mbox(self.mbox_name)

    def testMboxRemove(self):
        """remove() should delete a mbox mailbox"""
        assert(os.path.exists(self.mbox_name))
        self.mbox.remove()
        assert(not os.path.exists(self.mbox_name))

    def tearDown(self):
        if os.path.exists(self.mbox_name):
            os.remove(self.mbox_name)


class TestMboxExclusiveLock(unittest.TestCase):
    def setUp(self):
        self.mbox_name = make_mbox()
        self.mbox = archivemail.Mbox(self.mbox_name)

    def testExclusiveLock(self):
        """exclusive_lock/unlock should create/delete an advisory lock"""
        self.mbox.exclusive_lock()
        file = open(self.mbox_name, "r+")
        lock_nb = fcntl.LOCK_EX | fcntl.LOCK_NB
        self.assertRaises(IOError, fcntl.flock, file, lock_nb)

        self.mbox.exclusive_unlock()
        fcntl.flock(file, lock_nb)
        fcntl.flock(file, fcntl.LOCK_UN)

    def tearDown(self):
        if os.path.exists(self.mbox_name):
            os.remove(self.mbox_name)


class TestMboxNext(unittest.TestCase):
    def setUp(self):
        self.not_empty_name = make_mbox(messages=18)
        self.empty_name = make_mbox(messages=0)

    def testNextEmpty(self):
        """mbox.next() should return None on an empty mailbox"""
        mbox = archivemail.Mbox(self.empty_name)
        msg = mbox.next()
        self.assertEqual(msg, None)

    def testNextNotEmpty(self):
        """mbox.next() should a message on a populated mailbox"""
        mbox = archivemail.Mbox(self.not_empty_name)
        for count in range(18):
            msg = mbox.next()
            assert(msg)
        msg = mbox.next()
        self.assertEqual(msg, None)

    def tearDown(self):
        for name in (self.not_empty_name, self.empty_name):
            if os.path.exists(name):
                os.remove(name)


class TestMboxWrite(unittest.TestCase):
    def setUp(self):
        self.mbox_read = make_mbox(messages=3)
        self.mbox_write = make_mbox(messages=0)

    def testWrite(self):
        """mbox.write() should append messages to a mbox mailbox"""
        read = archivemail.Mbox(self.mbox_read)
        write = archivemail.Mbox(self.mbox_write, mode="w")
        for count in range(3):
            msg = read.next()
            write.write(msg)
        read.close()
        write.close()
        assert(filecmp.cmp(self.mbox_read, self.mbox_write, shallow=0))

    def testWriteNone(self):
        """calling mbox.write() with no message should raise AssertionError"""
        read = archivemail.Mbox(self.mbox_read)
        write = archivemail.Mbox(self.mbox_write, mode="w")
        self.assertRaises(AssertionError, write.write, None)

    def tearDown(self):
        for name in (self.mbox_write, self.mbox_read):
            if os.path.exists(name):
                os.remove(name)

########## options class testing #################

class TestOptionDefaults(unittest.TestCase):
    def testVerbose(self):
        """verbose should be off by default"""
        self.assertEqual(archivemail.options.verbose, 0)

    def testDaysOldMax(self):
        """default archival time should be 180 days"""
        self.assertEqual(archivemail.options.days_old_max, 180)

    def testQuiet(self):
        """quiet should be off by default"""
        self.assertEqual(archivemail.options.quiet, 0)

    def testDeleteOldMail(self):
        """we should not delete old mail by default"""
        self.assertEqual(archivemail.options.quiet, 0)

    def testNoCompress(self):
        """no-compression should be off by default"""
        self.assertEqual(archivemail.options.no_compress, 0)

########## archivemail.is_too_old() unit testing #################

class TestIsTooOld(unittest.TestCase):
    def testVeryOld(self):
        """is_too_old(max_days=360) should be true for these dates > 1 year"""
        for years in range(1, 10):
            time_msg = time.time() - (years * 365 * 24 * 60 * 60)
            assert(archivemail.is_too_old(time_message=time_msg, max_days=360))

    def testOld(self):
        """is_too_old(max_days=14) should be true for these dates > 14 days"""
        for days in range(14, 360):
            time_msg = time.time() - (days * 24 * 60 * 60)
            assert(archivemail.is_too_old(time_message=time_msg, max_days=14))

    def testJustOld(self):
        """is_too_old(max_days=1) should be true for these dates >= 1 day"""
        for minutes in range(0, 61):
            time_msg = time.time() - (25 * 60 * 60) + (minutes * 60)
            assert(archivemail.is_too_old(time_message=time_msg, max_days=1))

    def testNotOld(self):
        """is_too_old(max_days=9) should be false for these dates < 9 days"""
        for days in range(0, 9):
            time_msg = time.time() - (days * 24 * 60 * 60)
            assert(not archivemail.is_too_old(time_message=time_msg, max_days=9))

    def testJustNotOld(self):
        """is_too_old(max_days=1) should be false for these hours <= 1 day"""
        for minutes in range(0, 60):
            time_msg = time.time() - (23 * 60 * 60) - (minutes * 60)
            assert(not archivemail.is_too_old(time_message=time_msg, max_days=1))

    def testFuture(self):
        """is_too_old(max_days=1) should be false for times in the future"""
        for minutes in range(0, 60):
            time_msg = time.time() + (minutes * 60)
            assert(not archivemail.is_too_old(time_message=time_msg, max_days=1))

################ archivemail.choose_temp_dir() unit testing #############

class TestChooseTempDir(unittest.TestCase):
    def setUp(self):
        self.output_dir = tempfile.mktemp()
        os.mkdir(self.output_dir)
        self.sub_dir = tempfile.mktemp()
        os.mkdir(self.sub_dir)

    def testCurrentDir(self):
        """use the current directory as a temp directory with no output dir"""
        archivemail.options.output_dir = None
        dir = archivemail.choose_temp_dir("dummy")
        self.assertEqual(dir, os.curdir)

    def testSubDir(self):
        """use the mailbox parent directory as a temp directory"""
        archivemail.options.output_dir = None
        dir = archivemail.choose_temp_dir(os.path.join(self.sub_dir, "dummy"))
        self.assertEqual(dir, self.sub_dir)

    def testOutputDir(self):
        """use the output dir as a temp directory when specified"""
        archivemail.options.output_dir = self.output_dir
        dir = archivemail.choose_temp_dir("dummy")
        self.assertEqual(dir, self.output_dir)

    def testSubDirOutputDir(self):
        """use the output dir as temp when given a mailbox directory"""
        archivemail.options.output_dir = self.output_dir
        dir = archivemail.choose_temp_dir(os.path.join(self.sub_dir, "dummy"))
        self.assertEqual(dir, self.output_dir)

    def tearDown(self):
        os.rmdir(self.output_dir)
        os.rmdir(self.sub_dir)


########## acceptance testing ###########

class TestArchiveMboxTimestamp(unittest.TestCase):
    """original mbox timestamps should always be preserved"""
    def setUp(self):
        archivemail.options.quiet = 1

    def testNew(self):
        """mbox timestamps should not change after no archival"""
        self.mbox_name = make_mbox(messages=3, hours_old=(24 * 179))
        self.mtime = os.path.getmtime(self.mbox_name) - 66
        self.atime = os.path.getatime(self.mbox_name) - 88
        os.utime(self.mbox_name, (self.atime, self.mtime))
        archivemail.archive(self.mbox_name)
        assert(os.path.exists(self.mbox_name))
        new_atime = os.path.getatime(self.mbox_name)
        new_mtime = os.path.getmtime(self.mbox_name)
        self.assertEqual(self.mtime, new_mtime)
        self.assertEqual(self.atime, new_atime)

    def testMixed(self):
        """mbox timestamps should not change after semi-archival"""
        self.mbox_name = make_mbox(messages=3, hours_old=(24 * 181))
        self.mtime = os.path.getmtime(self.mbox_name) - 66
        self.atime = os.path.getatime(self.mbox_name) - 88
        os.utime(self.mbox_name, (self.atime, self.mtime))
        archive_name = self.mbox_name + "_archive.gz"
        archivemail.archive(self.mbox_name)
        assert(os.path.exists(self.mbox_name))
        new_atime = os.path.getatime(self.mbox_name)
        new_mtime = os.path.getmtime(self.mbox_name)
        self.assertEqual(self.mtime, new_mtime)
        self.assertEqual(self.atime, new_atime)

    def testOld(self):
        """mbox timestamps should not change after archival"""
        self.mbox_name = make_mbox(messages=3, hours_old=(24 * 181))
        self.mtime = os.path.getmtime(self.mbox_name) - 66
        self.atime = os.path.getatime(self.mbox_name) - 88
        os.utime(self.mbox_name, (self.atime, self.mtime))
        archive_name = self.mbox_name + "_archive.gz"
        archivemail.archive(self.mbox_name)
        assert(os.path.exists(self.mbox_name))
        new_atime = os.path.getatime(self.mbox_name)
        new_mtime = os.path.getmtime(self.mbox_name)
        self.assertEqual(self.mtime, new_mtime)
        self.assertEqual(self.atime, new_atime)

    def tearDown(self):
        archivemail.options.quiet = 0
        for name in (self.mbox_name, self.mbox_name + "_archive.gz"):
            if os.path.exists(name):
                os.remove(name)


class TestArchiveMbox(unittest.TestCase):
    """archiving should work based on the date of messages given"""
    old_mbox = None
    new_mbox = None
    mixed_mbox = None
    copy_name = None
    mbox_name = None

    def setUp(self):
        archivemail.options.quiet = 1

    def testOld(self):
        """archiving an old mailbox should create an exact archive"""
        self.mbox_name = make_mbox(messages=3, hours_old=(24 * 181))
        self.mbox_mode = os.stat(self.mbox_name)[stat.ST_MODE]
        self.copy_name = tempfile.mktemp()
        shutil.copyfile(self.mbox_name, self.copy_name)

        archivemail.archive(self.mbox_name)
        assert(os.path.exists(self.mbox_name))
        self.assertEqual(os.path.getsize(self.mbox_name), 0)
        new_mode = os.stat(self.mbox_name)[stat.ST_MODE]
        self.assertEqual(self.mbox_mode, new_mode)

        archive_name = self.mbox_name + "_archive.gz"
        assert(os.path.exists(archive_name))
        self.assertEqual(os.system("gzip -d %s" % archive_name), 0)

        archive_name = self.mbox_name + "_archive"
        assert(os.path.exists(archive_name))
        assert(filecmp.cmp(archive_name, self.copy_name, shallow=0))

    def testMixed(self):
        """archiving a mixed mailbox should make a mixed-archive"""
        self.new_mbox = make_mbox(messages=3, hours_old=(24 * 179))
        self.old_mbox = make_mbox(messages=3, hours_old=(24 * 181))
        self.mbox_name = tempfile.mktemp()
        shutil.copyfile(self.new_mbox, self.mbox_name)
        append_file(self.old_mbox, self.mbox_name)
        archivemail.archive(self.mbox_name)
        assert(os.path.exists(self.mbox_name))
        assert(filecmp.cmp(self.new_mbox, self.mbox_name, shallow=0))
        archive_name = self.mbox_name + "_archive.gz"
        assert(os.path.exists(archive_name))
        self.assertEqual(os.system("gzip -d %s" % archive_name), 0)
        archive_name = self.mbox_name + "_archive"
        assert(os.path.exists(archive_name))
        assert(filecmp.cmp(archive_name, self.old_mbox, shallow=0))

    def testNew(self):
        """archiving a new mailbox should not create an archive""" 
        self.mbox_name = make_mbox(messages=3, hours_old=(24 * 179))
        self.mbox_mode = os.stat(self.mbox_name)[stat.ST_MODE]
        self.copy_name = tempfile.mktemp()
        shutil.copyfile(self.mbox_name, self.copy_name)

        archivemail.archive(self.mbox_name)
        assert(os.path.exists(self.mbox_name))
        assert(filecmp.cmp(self.mbox_name, self.copy_name, shallow=0))
        new_mode = os.stat(self.mbox_name)[stat.ST_MODE]
        self.assertEqual(self.mbox_mode, new_mode)
        archive_name = self.mbox_name + "_archive.gz"
        assert(not os.path.exists(archive_name))

    def testOldExisting(self):
        """archiving an old mailbox with an existing archive"""
        self.mbox_name = make_mbox(messages=3, hours_old=(24 * 181))
        self.mbox_mode = os.stat(self.mbox_name)[stat.ST_MODE]
        self.copy_name = tempfile.mktemp()
        archive_name = self.mbox_name + "_archive"
        shutil.copyfile(self.mbox_name, self.copy_name) 
        shutil.copyfile(self.mbox_name, archive_name) # archive has 3 msgs
        append_file(self.mbox_name, self.copy_name) # copy now has 6 msgs
        self.assertEqual(os.system("gzip %s" % archive_name), 0)

        archivemail.archive(self.mbox_name)
        assert(os.path.exists(self.mbox_name))
        self.assertEqual(os.path.getsize(self.mbox_name), 0)
        new_mode = os.stat(self.mbox_name)[stat.ST_MODE]
        self.assertEqual(self.mbox_mode, new_mode)
        archive_name = self.mbox_name + "_archive.gz"
        assert(os.path.exists(archive_name))
        self.assertEqual(os.system("gzip -d %s" % archive_name), 0)
        archive_name = self.mbox_name + "_archive"
        assert(os.path.exists(archive_name))
        assert(filecmp.cmp(archive_name, self.copy_name, shallow=0))

    def tearDown(self):
        archivemail.options.quiet = 0
        archive = self.mbox_name + "_archive"
        for name in (self.mbox_name, self.old_mbox, self.new_mbox, 
            self.copy_name, archive, archive + ".gz"):
            if name and os.path.exists(name):
                os.remove(name)


class TestArchiveMboxPreserveStatus(unittest.TestCase):
    """make sure the 'preserve_unread' option works"""
    def setUp(self):
        archivemail.options.quiet = 1
        archivemail.options.preserve_unread = 1

    def testOldRead(self):
        """archiving an old read mailbox should create an archive"""
        self.mbox_name = make_mbox(messages=3, hours_old=(24 * 181), \
            status="RO")
        self.copy_name = tempfile.mktemp()
        shutil.copyfile(self.mbox_name, self.copy_name)

        archivemail.archive(self.mbox_name)
        assert(os.path.exists(self.mbox_name))
        self.assertEqual(os.path.getsize(self.mbox_name), 0)
        archive_name = self.mbox_name + "_archive.gz"
        assert(os.path.exists(archive_name))
        self.assertEqual(os.system("gzip -d %s" % archive_name), 0)
        archive_name = self.mbox_name + "_archive"
        assert(os.path.exists(archive_name))
        assert(filecmp.cmp(archive_name, self.copy_name, shallow=0))

    def testOldUnread(self):
        """archiving an unread mailbox should not create an archive"""
        self.mbox_name = make_mbox(messages=3, hours_old=(24 * 181))
        self.copy_name = tempfile.mktemp()
        shutil.copyfile(self.mbox_name, self.copy_name)

        archivemail.archive(self.mbox_name)
        assert(os.path.exists(self.mbox_name))
        assert(filecmp.cmp(self.mbox_name, self.copy_name, shallow=0))
        archive_name = self.mbox_name + "_archive.gz"
        assert(not os.path.exists(archive_name))

    def tearDown(self):
        archivemail.options.quiet = 0
        archivemail.options.preserve_unread = 0
        archive = self.mbox_name + "_archive"
        for name in (self.mbox_name, self.copy_name, archive, archive + ".gz"):
            if os.path.exists(name):
                os.remove(name)


class TestArchiveMboxUncompressedOld(unittest.TestCase):
    """make sure that the 'no_compress' option works"""
    mbox_name = None
    new_mbox = None
    old_mbox = None
    copy_name = None

    def setUp(self):
        archivemail.options.quiet = 1
        archivemail.options.no_compress = 1

    def testOld(self):
        """archiving an old mailbox uncompressed should create an ok archive"""
        self.mbox_name = make_mbox(messages=3, hours_old=(24 * 181))
        self.mbox_mode = os.stat(self.mbox_name)[stat.ST_MODE]
        self.copy_name = tempfile.mktemp()
        shutil.copyfile(self.mbox_name, self.copy_name)
        archivemail.archive(self.mbox_name)
        assert(os.path.exists(self.mbox_name))
        self.assertEqual(os.path.getsize(self.mbox_name), 0)
        new_mode = os.stat(self.mbox_name)[stat.ST_MODE]
        self.assertEqual(self.mbox_mode, new_mode)
        archive_name = self.mbox_name + "_archive"
        assert(os.path.exists(archive_name))
        assert(filecmp.cmp(archive_name, self.copy_name, shallow=0))
        assert(not os.path.exists(archive_name + ".gz"))

    def testNew(self):
        """archiving a new mailbox uncompressed should not create an archive"""
        self.mbox_name = make_mbox(messages=3, hours_old=(24 * 179))
        self.mbox_mode = os.stat(self.mbox_name)[stat.ST_MODE]
        self.copy_name = tempfile.mktemp()
        shutil.copyfile(self.mbox_name, self.copy_name)
        archivemail.archive(self.mbox_name)
        assert(os.path.exists(self.mbox_name))
        assert(filecmp.cmp(self.mbox_name, self.copy_name, shallow=0))
        new_mode = os.stat(self.mbox_name)[stat.ST_MODE]
        self.assertEqual(self.mbox_mode, new_mode)
        archive_name = self.mbox_name + "_archive"
        assert(not os.path.exists(archive_name))
        assert(not os.path.exists(archive_name + ".gz"))

    def testMixed(self):
        """archiving a mixed mailbox uncompressed should create a mixed archive"""
        self.new_mbox = make_mbox(messages=3, hours_old=(24 * 179))
        self.old_mbox = make_mbox(messages=3, hours_old=(24 * 181))
        self.mbox_name = tempfile.mktemp()
        shutil.copyfile(self.new_mbox, self.mbox_name)
        append_file(self.old_mbox, self.mbox_name)
        archivemail.archive(self.mbox_name)
        assert(os.path.exists(self.mbox_name))
        assert(filecmp.cmp(self.new_mbox, self.mbox_name, shallow=0))
        archive_name = self.mbox_name + "_archive"
        assert(os.path.exists(archive_name))
        assert(filecmp.cmp(archive_name, self.old_mbox, shallow=0))
        assert(not os.path.exists(archive_name + ".gz"))

    def testOldExists(self):
        """archiving an old mailbox without compressing with an existing archive"""
        self.mbox_name = make_mbox(messages=3, hours_old=(24 * 181))
        self.mbox_mode = os.stat(self.mbox_name)[stat.ST_MODE]
        self.copy_name = tempfile.mktemp()
        archive_name = self.mbox_name + "_archive"
        shutil.copyfile(self.mbox_name, self.copy_name) 
        shutil.copyfile(self.mbox_name, archive_name) # archive has 3 msgs
        append_file(self.mbox_name, self.copy_name) # copy now has 6 msgs
        archivemail.archive(self.mbox_name)
        assert(os.path.exists(self.mbox_name))
        self.assertEqual(os.path.getsize(self.mbox_name), 0)
        new_mode = os.stat(self.mbox_name)[stat.ST_MODE]
        self.assertEqual(self.mbox_mode, new_mode)
        archive_name = self.mbox_name + "_archive"
        assert(os.path.exists(archive_name))
        assert(filecmp.cmp(archive_name, self.copy_name, shallow=0))
        assert(not os.path.exists(archive_name + ".gz"))

    def tearDown(self):
        archivemail.options.quiet = 0
        archivemail.options.no_compress = 0
        archive = self.mbox_name + "_archive"
        for name in (self.mbox_name, self.new_mbox, self.old_mbox, 
            self.copy_name, archive, archive + ".gz"):
            if name and os.path.exists(name):
                os.remove(name)


class TestArchiveMboxMode(unittest.TestCase):
    """file mode (permissions) of the original mbox should be preserved"""
    def setUp(self):
        archivemail.options.quiet = 1

    def testOld(self):
        """after archiving, the original mbox mode should be preserved"""
        for mode in (0666, 0664, 0660, 0640, 0600):
            self.mbox_name = make_mbox(messages=1, hours_old=(24 * 181))
            os.chmod(self.mbox_name, mode)
            archivemail.archive(self.mbox_name)
            archive_name = self.mbox_name + "_archive.gz"
            assert(os.path.exists(self.mbox_name))
            assert(os.path.exists(archive_name))
            new_mode = os.stat(self.mbox_name)[stat.ST_MODE]
            self.assertEqual(mode, stat.S_IMODE(new_mode))
            archive_mode = os.stat(archive_name)[stat.ST_MODE]
            self.assertEqual(0600, stat.S_IMODE(archive_mode))
            os.remove(archive_name)
            os.remove(self.mbox_name)

    # TODO: write a mixed case

    def testNew(self):
        """after no archiving, the original mbox mode should be preserved"""
        for mode in (0666, 0664, 0660, 0640, 0600):
            self.mbox_name = make_mbox(messages=1, hours_old=(24 * 179))
            os.chmod(self.mbox_name, mode)
            archivemail.archive(self.mbox_name)
            archive_name = self.mbox_name + "_archive.gz"
            assert(not os.path.exists(archive_name))
            assert(os.path.exists(self.mbox_name))
            new_mode = os.stat(self.mbox_name)[stat.ST_MODE]
            self.assertEqual(mode, stat.S_IMODE(new_mode))
            os.remove(self.mbox_name)

    def tearDown(self):
        archivemail.options.quiet = 0
        if os.path.exists(self.mbox_name):
            os.remove(self.mbox_name)


########## helper routines ############

def make_message(hours_old=0, status=None):
    time_message = time.time() - (60 * 60 * hours_old)
    time_string = time.asctime(time.localtime(time_message))

    msg = """From sender@domain %s
From: sender@domain
To: receipient@domain
Subject: This is a dummy message
Date: %s
""" % (time_string, time_string)
    
    if status:
        msg = msg + ("Status: %s\n" % status)

    msg = msg + """

This is the message body.
It's very exciting.


""" 
    return msg


def append_file(source, dest):
    """appends the file named 'source' to the file named 'dest'"""
    assert(os.path.isfile(source))
    assert(os.path.isfile(dest))
    read = open(source, "r")
    write = open(dest, "a+")
    write.writelines(read.readlines())
    read.close()
    write.close()

def make_mbox(messages=1, hours_old=0, status=None):
    name = tempfile.mktemp()
    file = open(name, "w")
    for count in range(messages):
        file.write(make_message(hours_old=hours_old, status=status))
    file.close()
    return name
    
def is_world_readable(path):
    """Return true if the path is world-readable, false otherwise"""
    assert(path)
    return (os.stat(path)[stat.ST_MODE] & stat.S_IROTH)

if __name__ == "__main__":
    unittest.main()