added simple test suite for client/pm3_*.py

client/pm3_eml_mfd_test.py

@@ -0,0 +1,53 @@
+#!/usr/bin/python
+
+from __future__ import with_statement
+from tempfile import mkdtemp
+from shutil import rmtree
+from itertools import imap
+from string import hexdigits
+import unittest, os
+import pm3_eml2mfd, pm3_mfd2eml
+
+class TestEmlMfd(unittest.TestCase):
+    def setUp(self):
+        self.tmpdir = mkdtemp()
+    
+    def tearDown(self):
+        rmtree(self.tmpdir)
+
+    EML2MFD_TESTCASES = [
+            ('', ''),
+            ("41424344\r\n45464748\n494A4B4C\n", "ABCDEFGHIJKL")
+            ]
+    def test_eml2mfd(self):
+        self.three_argument_test(pm3_eml2mfd.main, self.EML2MFD_TESTCASES)
+    
+    def test_mfd2eml(self):
+        self.three_argument_test(pm3_mfd2eml.main,
+                imap(reversed, self.EML2MFD_TESTCASES), c14n=hex_c14n)
+
+    def three_argument_test(self, operation, cases, c14n=str):
+        for case_input, case_output in cases:
+            try:
+                inp_name = os.path.join(self.tmpdir, 'input')
+                out_name = os.path.join(self.tmpdir, 'output')
+                with file(inp_name, 'wb') as in_file:
+                    in_file.write(case_input)
+                operation(['', inp_name, out_name])
+                with file(out_name, 'rb') as out_file:
+                    self.assertEquals(c14n(case_output), c14n(out_file.read()))
+            finally:
+                for file_name in inp_name, out_name:
+                    if os.path.exists(file_name):
+                        os.remove(file_name)
+
+
+def hex_c14n(inp):
+    """
+    Canonicalizes the input string by removing non-hexadecimal
+    characters and making everything uppercase
+    """ 
+    return ''.join(c.upper() for c in inp if c in hexdigits)
+
+if __name__ == '__main__':
+    unittest.main()