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Editing: test_pyshell.py

"Test pyshell, coverage 12%."
# Plus coverage of test_warning.  Was 20% with test_openshell.

from idlelib import pyshell
import unittest
from test.support import requires
from tkinter import Tk

class PyShellFileListTest(unittest.TestCase):

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

@classmethod
    def tearDownClass(cls):
        #cls.root.update_idletasks()
##        for id in cls.root.tk.call('after', 'info'):
##            cls.root.after_cancel(id)  # Need for EditorWindow.
        cls.root.destroy()
        del cls.root

def test_init(self):
        psfl = pyshell.PyShellFileList(self.root)
        self.assertEqual(psfl.EditorWindow, pyshell.PyShellEditorWindow)
        self.assertIsNone(psfl.pyshell)

# The following sometimes causes 'invalid command name "109734456recolorize"'.
# Uncommenting after_cancel above prevents this, but results in
# TclError: bad window path name ".!listedtoplevel.!frame.text"
# which is normally prevented by after_cancel.
##    def test_openshell(self):
##        pyshell.use_subprocess = False
##        ps = pyshell.PyShellFileList(self.root).open_shell()
##        self.assertIsInstance(ps, pyshell.PyShell)

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

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