'''Test idlelib.configHandler.

Coverage: 46% just by creating dialog.
The other half is code for working with user customizations.
'''
import unittest
from test.support import requires
from tkinter import Tk
from idlelib.configDialog import ConfigDialog
from idlelib.macosxSupport import _initializeTkVariantTests


class ConfigDialogTest(unittest.TestCase):

    @classmethod
    def setUpClass(cls):
        requires('gui')
        cls.root = Tk()
        _initializeTkVariantTests(cls.root)

    @classmethod
    def tearDownClass(cls):
        cls.root.update_idletasks()
        cls.root.destroy()
        del cls.root

    def test_dialog(self):
        d = ConfigDialog(self.root, 'Test', _utest=True)
        d.remove_var_callbacks()
        d.destroy()


if __name__ == '__main__':
    unittest.main(verbosity=2)