__author__ = 'stubbfel'

import unittest
from utilities.jsonutility import JsonFile
import os.path


class JsonUtilitiesTest(unittest.TestCase):
    def setUp(self):
        self.__jf = JsonFile("test.json")
        self.__jf.check_and_remove_file()

    def test_write_json(self):
        self.__jf.write_json({1: "4711", "123": "0815"})
        self.assertTrue(os.path.isfile("test.json"))
        self.__jf.check_and_remove_file()

    def test_write_json_returns_error_if_json_object_is_emptystring(self):
        self.assertRaises(ValueError, self.__jf.write_json, "")
        self.__jf.check_and_remove_file()

    def test_write_json_returns_error_if_json_object_is_wrong_json_string(self):
        self.assertRaises(ValueError, self.__jf.write_json, "{1}")
        self.__jf.check_and_remove_file()

if __name__ == '__main__':
    unittest.main()