#!/usr/bin/env python
# import pytest
# import taskwarrior_double.parser as tsp

# class TestTaskWarriorParser:
#     def test_parse_command_raise_exception_if_command_not_start_with_task(self):
#         with pytest.raises(ValueError) as error_info:
#             tsp.parse_command("")
#         assert error_info.value.args[0] == "invalid command format"



