"""
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, StringIO
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.iteritems() ]
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.iteritems() ])
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 range(5, 101)+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 = map(normF, ['deep', 'deep/f1', 'deep/f2', 'deep/f2/f3',
'inbox', 'wide'])
tfolders.sort()
eq(folders, tfolders)
folders = mh.listsubfolders('deep')
folders.sort()
eq(folders, map(normF, ['deep/f1', 'deep/f2']))
folders = mh.listallsubfolders('deep')
folders.sort()
eq(folders, 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, range(5, 101)+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', range(5, 56))
seqeq('90-108', range(90, 101)+range(101, 109, 2))
seqeq('90-108', range(90, 101)+range(101, 109, 2))
seqeq('10:10', range(10, 20))
seqeq('10:+10', range(10, 20))
seqeq('101:10', range(101, 121, 2))
seqeq('cur', [99])
seqeq('.', [99])
seqeq('prev', [98])
seqeq('next', [100])
seqeq('cur:-3', [97, 98, 99])
seqeq('first-cur', range(5, 100))
seqeq('150-last', 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, StringIO.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()
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