def test_args_type(self):
     try:
         e = ExecProc()
         e.command = "-l"
     except ValueError as v:
         self.assertEqual(type(v), ValueError)
 def test_missing_command(self):
     try:
         e = ExecProc()
         output = e.execute()
     except ValueError as v:
         self.assertEqual(type(v), ValueError)