# Test mock_tk.Text class against tkinter.Text class by running same tests with both.
import unittest
from test.support import requires
from _tkinter import TclError
class TextTest(object):
hw = 'hello\nworld' # usual initial insert after initialization
hwn = hw+'\n' # \n present at initialization, before insert
Text = None
def setUp(self):
self.text = self.Text()
def test_init(self):
self.assertEqual(self.text.get('1.0'), '\n')
self.assertEqual(self.text.get('end'), '')
def test_index_empty(self):
index = self.text.index
for dex in (-1.0, 0.3, '1.-1', '1.0', '1.0 lineend', '1.end', '1.33',
'insert'):
self.assertEqual(index(dex), '1.0')
for dex in 'end', 2.0, '2.1', '33.44':
self.assertEqual(index(dex), '2.0')
def test_index_data(self):
index = self.text.index
self.text.insert('1.0', self.hw)
for dex in -1.0, 0.3, '1.-1', '1.0':
self.assertEqual(index(dex), '1.0')
for dex in '1.0 lineend', '1.end', '1.33':
self.assertEqual(index(dex), '1.5')
for dex in 'end', '33.44':
self.assertEqual(index(dex), '3.0')
def test_get(self):
get = self.text.get
Equal = self.assertEqual
self.text.insert('1.0', self.hw)
Equal(get('end'), '')
Equal(get('end', 'end'), '')
Equal(get('1.0'), 'h')
Equal(get('1.0', '1.1'), 'h')
Equal(get('1.0', '1.3'), 'hel')
Equal(get('1.1', '1.3'), 'el')
Equal(get('1.0', '1.0 lineend'), 'hello')
Equal(get('1.0', '1.10'), 'hello')
Equal(get('1.0 lineend'), '\n')
Equal(get('1.1', '2.3'), 'ello\nwor')
Equal(get('1.0', '2.5'), self.hw)
Equal(get('1.0', 'end'), self.hwn)
Equal(get('0.0', '5.0'), self.hwn)
def test_insert(self):
insert = self.text.insert
get = self.text.get
Equal = self.assertEqual
insert('1.0', self.hw)
Equal(get('1.0', 'end'), self.hwn)
insert('1.0', '') # nothing
Equal(get('1.0', 'end'), self.hwn)
insert('1.0', '*')
Equal(get('1.0', 'end'), '*hello\nworld\n')
insert('1.0 lineend', '*')
Equal(get('1.0', 'end'), '*hello*\nworld\n')
insert('2.3', '*')
Equal(get('1.0', 'end'), '*hello*\nwor*ld\n')
insert('end', 'x')
Equal(get('1.0', 'end'), '*hello*\nwor*ldx\n')
insert('1.4', 'x\n')
Equal(get('1.0', 'end'), '*helx\nlo*\nwor*ldx\n')
def test_no_delete(self):
# if index1 == 'insert' or 'end' or >= end, there is no deletion
delete = self.text.delete
get = self.text.get
Equal = self.assertEqual
self.text.insert('1.0', self.hw)
delete('insert')
Equal(get('1.0', 'end'), self.hwn)
delete('end')
Equal(get('1.0', 'end'), self.hwn)
delete('insert', 'end')
Equal(get('1.0', 'end'), self.hwn)
delete('insert', '5.5')
Equal(get('1.0', 'end'), self.hwn)
delete('1.4', '1.0')
Equal(get('1.0', 'end'), self.hwn)
delete('1.4', '1.4')
Equal(get('1.0', 'end'), self.hwn)
def test_delete_char(self):
delete = self.text.delete
get = self.text.get
Equal = self.assertEqual
self.text.insert('1.0', self.hw)
delete('1.0')
Equal(get('1.0', '1.end'), 'ello')
delete('1.0', '1.1')
Equal(get('1.0', '1.end'), 'llo')
# delete \n and combine 2 lines into 1
delete('1.end')
Equal(get('1.0', '1.end'), 'lloworld')
self.text.insert('1.3', '\n')
delete('1.10')
Equal(get('1.0', '1.end'), 'lloworld')
self.text.insert('1.3', '\n')
delete('1.3', '2.0')
Equal(get('1.0', '1.end'), 'lloworld')
def test_delete_slice(self):
delete = self.text.delete
get = self.text.get
Equal = self.assertEqual
self.text.insert('1.0', self.hw)
delete('1.0', '1.0 lineend')
Equal(get('1.0', 'end'), '\nworld\n')
delete('1.0', 'end')
Equal(get('1.0', 'end'), '\n')
self.text.insert('1.0', self.hw)
delete('1.0', '2.0')
Equal(get('1.0', 'end'), 'world\n')
delete('1.0', 'end')
Equal(get('1.0', 'end'), '\n')
self.text.insert('1.0', self.hw)
delete('1.2', '2.3')
Equal(get('1.0', 'end'), 'held\n')
def test_multiple_lines(self): # insert and delete
self.text.insert('1.0', 'hello')
self.text.insert('1.3', '1\n2\n3\n4\n5')
self.assertEqual(self.text.get('1.0', 'end'), 'hel1\n2\n3\n4\n5lo\n')
self.text.delete('1.3', '5.1')
self.assertEqual(self.text.get('1.0', 'end'), 'hello\n')
def test_compare(self):
compare = self.text.compare
Equal = self.assertEqual
# need data so indexes not squished to 1,0
self.text.insert('1.0', 'First\nSecond\nThird\n')
self.assertRaises(TclError, compare, '2.2', 'op', '2.2')
for op, less1, less0, equal, greater0, greater1 in (
('<', True, True, False, False, False),
('<=', True, True, True, False, False),
('>', False, False, False, True, True),
('>=', False, False, True, True, True),
('==', False, False, True, False, False),
('!=', True, True, False, True, True),
):
Equal(compare('1.1', op, '2.2'), less1, op)
Equal(compare('2.1', op, '2.2'), less0, op)
Equal(compare('2.2', op, '2.2'), equal, op)
Equal(compare('2.3', op, '2.2'), greater0, op)
Equal(compare('3.3', op, '2.2'), greater1, op)
class MockTextTest(TextTest, unittest.TestCase):
@classmethod
def setUpClass(cls):
from idlelib.idle_test.mock_tk import Text
cls.Text = Text
def test_decode(self):
# test endflags (-1, 0) not tested by test_index (which uses +1)
decode = self.text._decode
Equal = self.assertEqual
self.text.insert('1.0', self.hw)
Equal(decode('end', -1), (2, 5))
Equal(decode('3.1', -1), (2, 5))
Equal(decode('end', 0), (2, 6))
Equal(decode('3.1', 0), (2, 6))
class TkTextTest(TextTest, unittest.TestCase):
@classmethod
def setUpClass(cls):
requires('gui')
from tkinter import Tk, Text
cls.Text = Text
cls.root = Tk()
@classmethod
def tearDownClass(cls):
cls.root.destroy()
del cls.root
if __name__ == '__main__':
unittest.main(verbosity=2, exit=False)
