import unittest import tkinter from test.support import requires, run_unittest from tkinter.test.support import AbstractTkTest requires('gui') class TextTest(AbstractTkTest, unittest.TestCase): def setUp(self): super().setUp() self.text = tkinter.Text(self.root) def test_debug(self): text = self.text olddebug = text.debug() try: text.debug(0) self.assertEqual(text.debug(), 0) text.debug(1) self.assertEqual(text.debug(), 1) finally: text.debug(olddebug) self.assertEqual(text.debug(), olddebug) def test_search(self): text = self.text # pattern and index are obligatory arguments. self.assertRaises(tkinter.TclError, text.search, None, '1.0') self.assertRaises(tkinter.TclError, text.search, 'a', None) self.assertRaises(tkinter.TclError, text.search, None, None) # Invalid text index. self.assertRaises(tkinter.TclError, text.search, '', 0) # Check if we are getting the indices as strings -- you are likely # to get Tcl_Obj under Tk 8.5 if Tkinter doesn't convert it. text.insert('1.0', 'hi-test') self.assertEqual(text.search('-test', '1.0', 'end'), '1.2') self.assertEqual(text.search('test', '1.0', 'end'), '1.3') tests_gui = (TextTest, ) if __name__ == "__main__": run_unittest(*tests_gui)