aboutsummaryrefslogtreecommitdiffstats
path: root/sources/pyside2/tests/QtGui/qtextdocument_undoredo_test.py
blob: 908480bff348b635ec14e2f96b990c0600f16f36 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
#############################################################################
##
## Copyright (C) 2016 The Qt Company Ltd.
## Contact: https://www.qt.io/licensing/
##
## This file is part of the test suite of the Qt for Python project.
##
## $QT_BEGIN_LICENSE:GPL-EXCEPT$
## Commercial License Usage
## Licensees holding valid commercial Qt licenses may use this file in
## accordance with the commercial license agreement provided with the
## Software or, alternatively, in accordance with the terms contained in
## a written agreement between you and The Qt Company. For licensing terms
## and conditions see https://www.qt.io/terms-conditions. For further
## information use the contact form at https://www.qt.io/contact-us.
##
## GNU General Public License Usage
## Alternatively, this file may be used under the terms of the GNU
## General Public License version 3 as published by the Free Software
## Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
## included in the packaging of this file. Please review the following
## information to ensure the GNU General Public License requirements will
## be met: https://www.gnu.org/licenses/gpl-3.0.html.
##
## $QT_END_LICENSE$
##
#############################################################################

import unittest

from PySide2.QtGui import QTextDocument, QTextCursor

class QTextDocumentTest(unittest.TestCase):

    def testUndoRedo(self):
        text = 'foobar'
        doc = QTextDocument(text)

        self.assertFalse(doc.isRedoAvailable())
        self.assertTrue(doc.isUndoAvailable())
        self.assertEqual(doc.toPlainText(), text)

        cursor = QTextCursor(doc)
        doc.undo(cursor)

        self.assertTrue(doc.isRedoAvailable())
        self.assertFalse(doc.isUndoAvailable())
        self.assertEqual(doc.toPlainText(), '')

        doc.redo(cursor)

        self.assertFalse(doc.isRedoAvailable())
        self.assertTrue(doc.isUndoAvailable())
        self.assertEqual(doc.toPlainText(), text)

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