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By default, it preserves an inconsistent behavior of older Python versions: packs the count into a 1-tuple if only one or none options are specified (including 'update'), returns None instead of 0. Except that setting wantobjects to 0 no longer affects the result. Add a new parameter return_ints: specifying return_ints=True makes Text.count() always returning the single count as an integer instead of a 1-tuple or None.
99 lines
4.7 KiB
Python
99 lines
4.7 KiB
Python
import unittest
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import tkinter
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from test.support import requires
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from test.test_tkinter.support import AbstractTkTest
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requires('gui')
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class TextTest(AbstractTkTest, unittest.TestCase):
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def setUp(self):
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super().setUp()
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self.text = tkinter.Text(self.root)
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self.text.pack()
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def test_debug(self):
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text = self.text
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olddebug = text.debug()
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try:
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text.debug(0)
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self.assertEqual(text.debug(), 0)
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text.debug(1)
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self.assertEqual(text.debug(), 1)
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finally:
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text.debug(olddebug)
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self.assertEqual(text.debug(), olddebug)
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def test_search(self):
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text = self.text
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# pattern and index are obligatory arguments.
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self.assertRaises(tkinter.TclError, text.search, None, '1.0')
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self.assertRaises(tkinter.TclError, text.search, 'a', None)
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self.assertRaises(tkinter.TclError, text.search, None, None)
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# Invalid text index.
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self.assertRaises(tkinter.TclError, text.search, '', 0)
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# Check if we are getting the indices as strings -- you are likely
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# to get Tcl_Obj under Tk 8.5 if Tkinter doesn't convert it.
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text.insert('1.0', 'hi-test')
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self.assertEqual(text.search('-test', '1.0', 'end'), '1.2')
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self.assertEqual(text.search('test', '1.0', 'end'), '1.3')
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def test_count(self):
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text = self.text
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text.insert('1.0',
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'Lorem ipsum dolor sit amet,\n'
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'consectetur adipiscing elit,\n'
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'sed do eiusmod tempor incididunt\n'
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'ut labore et dolore magna aliqua.')
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options = ('chars', 'indices', 'lines',
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'displaychars', 'displayindices', 'displaylines',
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'xpixels', 'ypixels')
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self.assertEqual(len(text.count('1.0', 'end', *options, return_ints=True)), 8)
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self.assertEqual(len(text.count('1.0', 'end', *options)), 8)
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self.assertEqual(text.count('1.0', 'end', 'chars', 'lines', return_ints=True),
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(124, 4))
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self.assertEqual(text.count('1.3', '4.5', 'chars', 'lines'), (92, 3))
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self.assertEqual(text.count('4.5', '1.3', 'chars', 'lines', return_ints=True),
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(-92, -3))
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self.assertEqual(text.count('4.5', '1.3', 'chars', 'lines'), (-92, -3))
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self.assertEqual(text.count('1.3', '1.3', 'chars', 'lines', return_ints=True),
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(0, 0))
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self.assertEqual(text.count('1.3', '1.3', 'chars', 'lines'), (0, 0))
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self.assertEqual(text.count('1.0', 'end', 'lines', return_ints=True), 4)
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self.assertEqual(text.count('1.0', 'end', 'lines'), (4,))
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self.assertEqual(text.count('end', '1.0', 'lines', return_ints=True), -4)
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self.assertEqual(text.count('end', '1.0', 'lines'), (-4,))
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self.assertEqual(text.count('1.3', '1.5', 'lines', return_ints=True), 0)
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self.assertEqual(text.count('1.3', '1.5', 'lines'), None)
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self.assertEqual(text.count('1.3', '1.3', 'lines', return_ints=True), 0)
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self.assertEqual(text.count('1.3', '1.3', 'lines'), None)
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# Count 'indices' by default.
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self.assertEqual(text.count('1.0', 'end', return_ints=True), 124)
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self.assertEqual(text.count('1.0', 'end'), (124,))
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self.assertEqual(text.count('1.0', 'end', 'indices', return_ints=True), 124)
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self.assertEqual(text.count('1.0', 'end', 'indices'), (124,))
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self.assertRaises(tkinter.TclError, text.count, '1.0', 'end', 'spam')
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self.assertRaises(tkinter.TclError, text.count, '1.0', 'end', '-lines')
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self.assertIsInstance(text.count('1.3', '1.5', 'ypixels', return_ints=True), int)
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self.assertIsInstance(text.count('1.3', '1.5', 'ypixels'), tuple)
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self.assertIsInstance(text.count('1.3', '1.5', 'update', 'ypixels', return_ints=True), int)
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self.assertIsInstance(text.count('1.3', '1.5', 'update', 'ypixels'), int)
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self.assertEqual(text.count('1.3', '1.3', 'update', 'ypixels', return_ints=True), 0)
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self.assertEqual(text.count('1.3', '1.3', 'update', 'ypixels'), None)
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self.assertEqual(text.count('1.3', '1.5', 'update', 'indices', return_ints=True), 2)
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self.assertEqual(text.count('1.3', '1.5', 'update', 'indices'), 2)
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self.assertEqual(text.count('1.3', '1.3', 'update', 'indices', return_ints=True), 0)
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self.assertEqual(text.count('1.3', '1.3', 'update', 'indices'), None)
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self.assertEqual(text.count('1.3', '1.5', 'update', return_ints=True), 2)
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self.assertEqual(text.count('1.3', '1.5', 'update'), (2,))
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self.assertEqual(text.count('1.3', '1.3', 'update', return_ints=True), 0)
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self.assertEqual(text.count('1.3', '1.3', 'update'), None)
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if __name__ == "__main__":
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unittest.main()
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