summaryrefslogtreecommitdiffstats
path: root/Lib/test/test_mhlib.py
blob: ad66edeed4ff1ba59ac4766232185414b7833ce8 (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
"""
   Tests for the mhlib module
   Nick Mathewson
"""

### BUG: This suite doesn't currently test the mime functionality of
###      mhlib.  It should.

import unittest
from test.test_support import run_unittest, TESTFN, TestSkipped
import os
import io
import sys
import mhlib

if (sys.platform.startswith("win") or sys.platform=="riscos" or
      sys.platform.startswith("atheos")):
    # mhlib.updateline() renames a file to the name of a file that already
    # exists.  That causes a reasonable OS <wink> to complain in test_sequence
    # here, like the "OSError: [Errno 17] File exists" raised on Windows.
    # mhlib's listsubfolders() and listallfolders() do something with
    # link counts, and that causes test_listfolders() here to get back
    # an empty list from its call of listallfolders().
    # The other tests here pass on Windows.
    raise TestSkipped("skipped on %s -- " % sys.platform +
                      "too many Unix assumptions")

_mhroot = TESTFN+"_MH"
_mhpath = os.path.join(_mhroot, "MH")
_mhprofile = os.path.join(_mhroot, ".mh_profile")

def normF(f):
    return os.path.join(*f.split('/'))

def writeFile(fname, contents):
    dir = os.path.split(fname)[0]
    if dir and not os.path.exists(dir):
        mkdirs(dir)
    f = open(fname, 'w')
    f.write(contents)
    f.close()

def readFile(fname):
    f = open(fname)
    r = f.read()
    f.close()
    return r

def writeProfile(dict):
    contents = [ "%s: %s\n" % (k, v) for k, v in dict.items() ]
    writeFile(_mhprofile, "".join(contents))

def writeContext(folder):
    folder = normF(folder)
    writeFile(os.path.join(_mhpath, "context"),
              "Current-Folder: %s\n" % folder)

def writeCurMessage(folder, cur):
    folder = normF(folder)
    writeFile(os.path.join(_mhpath, folder, ".mh_sequences"),
              "cur: %s\n"%cur)

def writeMessage(folder, n, headers, body):
    folder = normF(folder)
    headers = "".join([ "%s: %s\n" % (k, v) for k, v in headers.items() ])
    contents = "%s\n%s\n" % (headers,body)
    mkdirs(os.path.join(_mhpath, folder))
    writeFile(os.path.join(_mhpath, folder, str(n)), contents)

def getMH():
    return mhlib.MH(os.path.abspath(_mhpath), _mhprofile)

def sortLines(s):
    lines = s.split("\n")
    lines = [ line.strip() for line in lines if len(line) >= 2 ]
    lines.sort()
    return lines

# These next 2 functions are copied from test_glob.py.
def mkdirs(fname):
    if os.path.exists(fname) or fname == '':
        return
    base, file = os.path.split(fname)
    mkdirs(base)
    os.mkdir(fname)

def deltree(fname):
    if not os.path.exists(fname):
        return
    for f in os.listdir(fname):
        fullname = os.path.join(fname, f)
        if os.path.isdir(fullname):
            deltree(fullname)
        else:
            try:
                os.unlink(fullname)
            except:
                pass
    try:
        os.rmdir(fname)
    except:
        pass

class MhlibTests(unittest.TestCase):
    def setUp(self):
        deltree(_mhroot)
        mkdirs(_mhpath)
        writeProfile({'Path' : os.path.abspath(_mhpath),
                      'Editor': 'emacs',
                      'ignored-attribute': 'camping holiday'})
        # Note: These headers aren't really conformant to RFC822, but
        #  mhlib shouldn't care about that.

        # An inbox with a couple of messages.
        writeMessage('inbox', 1,
                     {'From': 'Mrs. Premise',
                      'To': 'Mrs. Conclusion',
                      'Date': '18 July 2001'}, "Hullo, Mrs. Conclusion!\n")
        writeMessage('inbox', 2,
                     {'From': 'Mrs. Conclusion',
                      'To': 'Mrs. Premise',
                      'Date': '29 July 2001'}, "Hullo, Mrs. Premise!\n")

        # A folder with many messages
        for i in list(range(5, 101))+list(range(101, 201, 2)):
            writeMessage('wide', i,
                         {'From': 'nowhere', 'Subject': 'message #%s' % i},
                         "This is message number %s\n" % i)

        # A deeply nested folder
        def deep(folder, n):
            writeMessage(folder, n,
                         {'Subject': 'Message %s/%s' % (folder, n) },
                         "This is message number %s in %s\n" % (n, folder) )
        deep('deep/f1', 1)
        deep('deep/f1', 2)
        deep('deep/f1', 3)
        deep('deep/f2', 4)
        deep('deep/f2', 6)
        deep('deep', 3)
        deep('deep/f2/f3', 1)
        deep('deep/f2/f3', 2)

    def tearDown(self):
        deltree(_mhroot)

    def test_basic(self):
        writeContext('inbox')
        writeCurMessage('inbox', 2)
        mh = getMH()

        eq = self.assertEquals
        eq(mh.getprofile('Editor'), 'emacs')
        eq(mh.getprofile('not-set'), None)
        eq(mh.getpath(), os.path.abspath(_mhpath))
        eq(mh.getcontext(), 'inbox')

        mh.setcontext('wide')
        eq(mh.getcontext(), 'wide')
        eq(readFile(os.path.join(_mhpath, 'context')),
           "Current-Folder: wide\n")

        mh.setcontext('inbox')

        inbox = mh.openfolder('inbox')
        eq(inbox.getfullname(),
           os.path.join(os.path.abspath(_mhpath), 'inbox'))
        eq(inbox.getsequencesfilename(),
           os.path.join(os.path.abspath(_mhpath), 'inbox', '.mh_sequences'))
        eq(inbox.getmessagefilename(1),
           os.path.join(os.path.abspath(_mhpath), 'inbox', '1'))

    def test_listfolders(self):
        mh = getMH()
        eq = self.assertEquals

        folders = mh.listfolders()
        folders.sort()
        eq(folders, ['deep', 'inbox', 'wide'])

        folders = mh.listallfolders()
        folders.sort()
        tfolders = sorted(map(normF, ['deep', 'deep/f1', 'deep/f2',
                                      'deep/f2/f3', 'inbox', 'wide']))
        eq(folders, tfolders)

        folders = mh.listsubfolders('deep')
        folders.sort()
        eq(folders, list(map(normF, ['deep/f1', 'deep/f2'])))

        folders = mh.listallsubfolders('deep')
        folders.sort()
        eq(folders, list(map(normF, ['deep/f1', 'deep/f2', 'deep/f2/f3'])))
        eq(mh.listsubfolders(normF('deep/f2')), [normF('deep/f2/f3')])

        eq(mh.listsubfolders('inbox'), [])
        eq(mh.listallsubfolders('inbox'), [])

    def test_sequence(self):
        mh = getMH()
        eq = self.assertEquals
        writeCurMessage('wide', 55)

        f = mh.openfolder('wide')
        all = f.listmessages()
        eq(all, list(range(5, 101))+list(range(101, 201, 2)))
        eq(f.getcurrent(), 55)
        f.setcurrent(99)
        eq(readFile(os.path.join(_mhpath, 'wide', '.mh_sequences')),
           'cur: 99\n')

        def seqeq(seq, val):
            eq(f.parsesequence(seq), val)

        seqeq('5-55', list(range(5, 56)))
        seqeq('90-108', list(range(90, 101))+list(range(101, 109, 2)))
        seqeq('90-108', list(range(90, 101))+list(range(101, 109, 2)))

        seqeq('10:10', list(range(10, 20)))
        seqeq('10:+10', list(range(10, 20)))
        seqeq('101:10', list(range(101, 121, 2)))

        seqeq('cur', [99])
        seqeq('.', [99])
        seqeq('prev', [98])
        seqeq('next', [100])
        seqeq('cur:-3', [97, 98, 99])
        seqeq('first-cur', list(range(5, 100)))
        seqeq('150-last', list(range(151, 201, 2)))
        seqeq('prev-next', [98, 99, 100])

        lowprimes = [5, 7, 11, 13, 17, 19, 23, 29]
        lowcompos = [x for x in range(5, 31) if not x in lowprimes ]
        f.putsequences({'cur': [5],
                        'lowprime': lowprimes,
                        'lowcompos': lowcompos})
        seqs = readFile(os.path.join(_mhpath, 'wide', '.mh_sequences'))
        seqs = sortLines(seqs)
        eq(seqs, ["cur: 5",
                  "lowcompos: 6 8-10 12 14-16 18 20-22 24-28 30",
                  "lowprime: 5 7 11 13 17 19 23 29"])

        seqeq('lowprime', lowprimes)
        seqeq('lowprime:1', [5])
        seqeq('lowprime:2', [5, 7])
        seqeq('lowprime:-2', [23, 29])

        ## Not supported
        #seqeq('lowprime:first', [5])
        #seqeq('lowprime:last', [29])
        #seqeq('lowprime:prev', [29])
        #seqeq('lowprime:next', [29])

    def test_modify(self):
        mh = getMH()
        eq = self.assertEquals

        mh.makefolder("dummy1")
        self.assert_("dummy1" in mh.listfolders())
        path = os.path.join(_mhpath, "dummy1")
        self.assert_(os.path.exists(path))

        f = mh.openfolder('dummy1')
        def create(n):
            msg = "From: foo\nSubject: %s\n\nDummy Message %s\n" % (n,n)
            f.createmessage(n, io.StringIO(msg))

        create(7)
        create(8)
        create(9)

        eq(readFile(f.getmessagefilename(9)),
           "From: foo\nSubject: 9\n\nDummy Message 9\n")

        eq(f.listmessages(), [7, 8, 9])
        files = os.listdir(path)
        files.sort()
        eq(files, ['7', '8', '9'])

        f.removemessages(['7', '8'])
        files = os.listdir(path)
        files.sort()
        eq(files, [',7', ',8', '9'])
        eq(f.listmessages(), [9])
        create(10)
        create(11)
        create(12)

        mh.makefolder("dummy2")
        f2 = mh.openfolder("dummy2")
        eq(f2.listmessages(), [])
        f.movemessage(10, f2, 3)
        f.movemessage(11, f2, 5)
        eq(f.listmessages(), [9, 12])
        eq(f2.listmessages(), [3, 5])
        eq(readFile(f2.getmessagefilename(3)),
           "From: foo\nSubject: 10\n\nDummy Message 10\n")

        f.copymessage(9, f2, 4)
        eq(f.listmessages(), [9, 12])
        eq(readFile(f2.getmessagefilename(4)),
           "From: foo\nSubject: 9\n\nDummy Message 9\n")

        f.refilemessages([9, 12], f2)
        eq(f.listmessages(), [])
        eq(f2.listmessages(), [3, 4, 5, 6, 7])
        eq(readFile(f2.getmessagefilename(7)),
           "From: foo\nSubject: 12\n\nDummy Message 12\n")
        # XXX This should check that _copysequences does the right thing.

        mh.deletefolder('dummy1')
        mh.deletefolder('dummy2')
        self.assert_('dummy1' not in mh.listfolders())
        self.assert_(not os.path.exists(path))

    def test_read(self):
        mh = getMH()
        eq = self.assertEquals

        f = mh.openfolder('inbox')
        msg = f.openmessage(1)
        # Check some basic stuff from rfc822
        eq(msg.getheader('From'), "Mrs. Premise")
        eq(msg.getheader('To'), "Mrs. Conclusion")

        # Okay, we have the right message.  Let's check the stuff from
        # mhlib.
        lines = sortLines(msg.getheadertext())
        eq(lines, ["Date: 18 July 2001",
                   "From: Mrs. Premise",
                   "To: Mrs. Conclusion"])
        lines = sortLines(msg.getheadertext(lambda h: len(h)==4))
        eq(lines, ["Date: 18 July 2001",
                   "From: Mrs. Premise"])
        eq(msg.getbodytext(), "Hullo, Mrs. Conclusion!\n\n")
        eq(msg.getbodytext(0), "Hullo, Mrs. Conclusion!\n\n")

        # XXXX there should be a better way to reclaim the file handle
        msg.fp.close()
        del msg


def test_main():
    run_unittest(MhlibTests)


if __name__ == "__main__":
    test_main()