adding __name__ == "__main__" magic to run test suite with just unittest

test_onetimepad.py

@@ -28,3 +28,7 @@ class TestOneTimePad(unittest.TestCase):
             else:
                 self.assertFalse(bool(len(line)),
                                  'line {0} is empty'.format(lineno))
+
+
+if __name__ == '__main__':
+    unittest.main()