# -*- coding: utf-8 -*-

from email import message
import unittest

from validate.format import error_message


class TestValidadeFormat(unittest.TestCase):
    
    def test_error_message_return_and_return_type(self):
        line_num_unity = 1
        line_num_ten = 10
        line_num_hundred = 100
        line_num_thousand = 1000

        msg = 'This is a unit test'

        err_msg_unity = error_message(line_num_unity, msg)
        err_msg_ten = error_message(line_num_ten, msg)
        err_msg_hundred = error_message(line_num_hundred, msg)
        err_msg_thousand = error_message(line_num_thousand, msg)

        self.assertIsInstance(err_msg_unity, str)
        self.assertIsInstance(err_msg_ten, str)
        self.assertIsInstance(err_msg_hundred, str)
        self.assertIsInstance(err_msg_thousand, str)

        self.assertEqual(err_msg_unity, '(L002) This is a unit test')
        self.assertEqual(err_msg_ten, '(L011) This is a unit test')
        self.assertEqual(err_msg_hundred, '(L101) This is a unit test')
        self.assertEqual(err_msg_thousand, '(L1001) This is a unit test')