Mocked somewhat fixed

gistfile1.py

class MockStringIO(object):
    def __init__(self, config_string):
        self.string_io = io.StringIO()
        self.string_io.write(config_string)

    def readlines(self):
        lines = self.string_io.readlines()
        self.string_io.seek(0)
        return lines

    def __exit__(self, type, value, traceback):
        return

    def __enter__(self):
        return self

def get_stringio_config(config_string):
    return MockStringIO(config_string)
"""
def get_stringio_config(config_string):
    s = io.StringIO()
    s.write(config_string)
    s.seek(0)
    return s
"""

class TurtleConfigTestCase(unittest.TestCase):
    def tearDown(self):
        turtle.bye()

    @patch('builtins.open')
    def test_config_dict(self, mock_open):
        mock_open.return_value = get_stringio_config(test_config)

        results = turtle.config_dict('turtle.cfg')
        print('skjdfdslk')
        print(results)
        """
        self.assertTrue(results['width'] == 0.75)
        self.assertTrue(results['canvwidth'] == 500)

        self.assertTrue(results['shape'] == 'circle')
        self.assertTrue(results['pencolor'] == 'red')

        self.assertTrue(results['visible'] == None)
        self.assertTrue(results['using_IDLE'] == '')
        """

    @patch('builtins.open')
    @patch('turtle.isfile')
    def test_read_config(self, mock_isfile, mock_open):
        mock_open.return_value = get_stringio_config(test_config)
        mock_isfile.return_value = True
        turtle.readconfig(turtle._CFG)
        self.assertTrue(turtle._CFG['pencolor'] == 'red')
        self.assertTrue(turtle._CFG['width'] == 0.75)
        self.assertTrue(turtle._CFG['canvwidth'] == 500)

        self.assertTrue(turtle._CFG['shape'] == 'circle')
        self.assertTrue(turtle._CFG['pencolor'] == 'red')

        self.assertTrue(turtle._CFG['visible'] == None)
        self.assertTrue(turtle._CFG['using_IDLE'] == '')