cpython/Lib/tkinter/test/test_ttk/test_style.py
Serhiy Storchaka d00aff2f62 Issue #22236: Tkinter tests now don't reuse default root window. New root
window is created for every test class.

Fixed Tkinter images copying operations in NoDefaultRoot mode.

Tcl command names generated for "after" callbacks now contains a name of
original function.
2014-08-24 09:07:47 +03:00

92 lines
2.8 KiB
Python

import unittest
import tkinter
from tkinter import ttk
from test.support import requires, run_unittest
from tkinter.test.support import AbstractTkTest
requires('gui')
class StyleTest(AbstractTkTest, unittest.TestCase):
def setUp(self):
super().setUp()
self.style = ttk.Style(self.root)
def test_configure(self):
style = self.style
style.configure('TButton', background='yellow')
self.assertEqual(style.configure('TButton', 'background'),
'yellow')
self.assertIsInstance(style.configure('TButton'), dict)
def test_map(self):
style = self.style
style.map('TButton', background=[('active', 'background', 'blue')])
self.assertEqual(style.map('TButton', 'background'),
[('active', 'background', 'blue')] if self.wantobjects else
[('active background', 'blue')])
self.assertIsInstance(style.map('TButton'), dict)
def test_lookup(self):
style = self.style
style.configure('TButton', background='yellow')
style.map('TButton', background=[('active', 'background', 'blue')])
self.assertEqual(style.lookup('TButton', 'background'), 'yellow')
self.assertEqual(style.lookup('TButton', 'background',
['active', 'background']), 'blue')
self.assertEqual(style.lookup('TButton', 'optionnotdefined',
default='iknewit'), 'iknewit')
def test_layout(self):
style = self.style
self.assertRaises(tkinter.TclError, style.layout, 'NotALayout')
tv_style = style.layout('Treeview')
# "erase" Treeview layout
style.layout('Treeview', '')
self.assertEqual(style.layout('Treeview'),
[('null', {'sticky': 'nswe'})]
)
# restore layout
style.layout('Treeview', tv_style)
self.assertEqual(style.layout('Treeview'), tv_style)
# should return a list
self.assertIsInstance(style.layout('TButton'), list)
# correct layout, but "option" doesn't exist as option
self.assertRaises(tkinter.TclError, style.layout, 'Treeview',
[('name', {'option': 'inexistent'})])
def test_theme_use(self):
self.assertRaises(tkinter.TclError, self.style.theme_use,
'nonexistingname')
curr_theme = self.style.theme_use()
new_theme = None
for theme in self.style.theme_names():
if theme != curr_theme:
new_theme = theme
self.style.theme_use(theme)
break
else:
# just one theme available, can't go on with tests
return
self.assertFalse(curr_theme == new_theme)
self.assertFalse(new_theme != self.style.theme_use())
self.style.theme_use(curr_theme)
tests_gui = (StyleTest, )
if __name__ == "__main__":
run_unittest(*tests_gui)