__author__ = 'stubbfel'

import unittest
from utilities.jsonfile import JsonFile
from utilities.textfile import TextFile
import os.path


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

    def tearDown(self):
        self.__jf.check_and_remove_file()

    def test_read_json_file(self):
        self.__jf.write_json_file({1: "4711", "123": "0815"})
        jo = self.__jf.read_json_file()
        self.assertEqual(jo["1"], "4711")
        self.assertEqual(jo["123"], "0815")

    def test_read_json_file_from_string(self):
        self.__jf.write_json_file("{\"1\": \"4711\", \"123\": \"0815\"}")
        jo = self.__jf.read_json_file()
        self.assertEqual(jo["1"], "4711")
        self.assertEqual(jo["123"], "0815")

    def test_read_json_file_returns_error_if_json_object_is_emptystring(self):
        tf = TextFile("test.json")
        tf.write_text_file("")
        self.assertRaises(ValueError, self.__jf.read_json_file)

    def test_read_json_file_returns_error_if_json_object_is_wrong_json_string(self):
        tf = TextFile("test.json")
        tf.write_text_file("{1}")
        self.assertRaises(ValueError, self.__jf.read_json_file)

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

    def test_write_json_file(self):
        self.__jf.write_json_file("{\"1\": \"4711\", \"123\": \"0815\"}")
        self.assertTrue(os.path.isfile("test.json"))

    def test_write_json_file_returns_error_if_json_object_is_emptystring(self):
        self.assertRaises(ValueError, self.__jf.write_json_file, "")

    def test_write_json_file_returns_error_if_json_object_is_wrong_json_string(self):
        self.assertRaises(ValueError, self.__jf.write_json_file, "{1}")

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