| 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() |