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1 #!/usr/bin/python
2
3 from __future__ import with_statement
4 from tempfile import mkdtemp
5 from shutil import rmtree
6 from itertools import imap
7 from string import hexdigits
8 import unittest, os
9 import pm3_eml2mfd, pm3_mfd2eml
10
11 class TestEmlMfd(unittest.TestCase):
12 def setUp(self):
13 self.tmpdir = mkdtemp()
14
15 def tearDown(self):
16 rmtree(self.tmpdir)
17
18 EML2MFD_TESTCASES = [
19 ('', ''),
20 ("41424344\r\n45464748\n494A4B4C\n", "ABCDEFGHIJKL")
21 ]
22 def test_eml2mfd(self):
23 self.three_argument_test(pm3_eml2mfd.main, self.EML2MFD_TESTCASES)
24
25 def test_mfd2eml(self):
26 self.three_argument_test(pm3_mfd2eml.main,
27 imap(reversed, self.EML2MFD_TESTCASES), c14n=hex_c14n)
28
29 def three_argument_test(self, operation, cases, c14n=str):
30 for case_input, case_output in cases:
31 try:
32 inp_name = os.path.join(self.tmpdir, 'input')
33 out_name = os.path.join(self.tmpdir, 'output')
34 with file(inp_name, 'wb') as in_file:
35 in_file.write(case_input)
36 operation(['', inp_name, out_name])
37 with file(out_name, 'rb') as out_file:
38 self.assertEquals(c14n(case_output), c14n(out_file.read()))
39 finally:
40 for file_name in inp_name, out_name:
41 if os.path.exists(file_name):
42 os.remove(file_name)
43
44
45 def hex_c14n(inp):
46 """
47 Canonicalizes the input string by removing non-hexadecimal
48 characters and making everything uppercase
49 """
50 return ''.join(c.upper() for c in inp if c in hexdigits)
51
52 if __name__ == '__main__':
53 unittest.main()
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