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import unittest
import tkinter
from test.support import requires
from test.test_tkinter.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')
def test_count(self):
# XXX Some assertions do not check against the intended result,
# but instead check the current result to prevent regression.
text = self.text
text.insert('1.0',
'Lorem ipsum dolor sit amet,\n'
'consectetur adipiscing elit,\n'
'sed do eiusmod tempor incididunt\n'
'ut labore et dolore magna aliqua.')
options = ('chars', 'indices', 'lines',
'displaychars', 'displayindices', 'displaylines',
'xpixels', 'ypixels')
if self.wantobjects:
self.assertEqual(len(text.count('1.0', 'end', *options)), 8)
else:
text.count('1.0', 'end', *options)
self.assertEqual(text.count('1.0', 'end', 'chars', 'lines'), (124, 4)
if self.wantobjects else '124 4')
self.assertEqual(text.count('1.3', '4.5', 'chars', 'lines'), (92, 3)
if self.wantobjects else '92 3')
self.assertEqual(text.count('4.5', '1.3', 'chars', 'lines'), (-92, -3)
if self.wantobjects else '-92 -3')
self.assertEqual(text.count('1.3', '1.3', 'chars', 'lines'), (0, 0)
if self.wantobjects else '0 0')
self.assertEqual(text.count('1.0', 'end', 'lines'), (4,)
if self.wantobjects else ('4',))
self.assertEqual(text.count('end', '1.0', 'lines'), (-4,)
if self.wantobjects else ('-4',))
self.assertEqual(text.count('1.3', '1.5', 'lines'), None
if self.wantobjects else ('0',))
self.assertEqual(text.count('1.3', '1.3', 'lines'), None
if self.wantobjects else ('0',))
self.assertEqual(text.count('1.0', 'end'), (124,) # 'indices' by default
if self.wantobjects else ('124',))
self.assertRaises(tkinter.TclError, text.count, '1.0', 'end', 'spam')
self.assertRaises(tkinter.TclError, text.count, '1.0', 'end', '-lines')
self.assertIsInstance(text.count('1.3', '1.5', 'ypixels'), tuple)
self.assertIsInstance(text.count('1.3', '1.5', 'update', 'ypixels'), int
if self.wantobjects else str)
self.assertEqual(text.count('1.3', '1.3', 'update', 'ypixels'), None
if self.wantobjects else '0')
self.assertEqual(text.count('1.3', '1.5', 'update', 'indices'), 2
if self.wantobjects else '2')
self.assertEqual(text.count('1.3', '1.3', 'update', 'indices'), None
if self.wantobjects else '0')
self.assertEqual(text.count('1.3', '1.5', 'update'), (2,)
if self.wantobjects else ('2',))
self.assertEqual(text.count('1.3', '1.3', 'update'), None
if self.wantobjects else ('0',))
if __name__ == "__main__":
unittest.main()
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