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Edit File: test_text.py

import unittest
import Tkinter
from test.test_support import requires, run_unittest
from ttk import setup_master

requires('gui')

class TextTest(unittest.TestCase):

def setUp(self):
        self.root = setup_master()
        self.text = Tkinter.Text(self.root)

def tearDown(self):
        self.text.destroy()

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)