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test_simpledialog.py

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test_simpledialog.py

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import unittest

import tkinter

from test.support import requires, swap_attr

from test.test_tkinter.support import AbstractDefaultRootTest

from tkinter.simpledialog import Dialog, askinteger

requires('gui')

@unittest.skip("Crashes; skip for now")

class DefaultRootTest(AbstractDefaultRootTest, unittest.TestCase):

def test_askinteger(self):

@staticmethod

def mock_wait_window(w):

nonlocal ismapped

ismapped = w.master.winfo_ismapped()

w.destroy()

with swap_attr(Dialog, 'wait_window', mock_wait_window):

ismapped = None

askinteger("Go To Line", "Line number")

self.assertEqual(ismapped, False)

root = tkinter.Tk()

ismapped = None

askinteger("Go To Line", "Line number")

self.assertEqual(ismapped, True)

root.destroy()

tkinter.NoDefaultRoot()

self.assertRaises(RuntimeError, askinteger, "Go To Line", "Line number")

if __name__ == "__main__":

unittest.main()