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import unittest
import sys
import tkinter
from tkinter import ttk
from test import support
from test.support import requires
from tkinter.test.support import AbstractTkTest
requires('gui')
CLASS_NAMES = [
'.', 'ComboboxPopdownFrame', 'Heading',
'Horizontal.TProgressbar', 'Horizontal.TScale', 'Item', 'Sash',
'TButton', 'TCheckbutton', 'TCombobox', 'TEntry',
'TLabelframe', 'TLabelframe.Label', 'TMenubutton',
'TNotebook', 'TNotebook.Tab', 'Toolbutton', 'TProgressbar',
'TRadiobutton', 'Treeview', 'TScale', 'TScrollbar', 'TSpinbox',
'Vertical.TProgressbar', 'Vertical.TScale'
]
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
# Single state
for states in ['active'], [('active',)]:
with self.subTest(states=states):
style.map('TButton', background=[(*states, 'white')])
expected = [('active', 'white')]
self.assertEqual(style.map('TButton', 'background'), expected)
m = style.map('TButton')
self.assertIsInstance(m, dict)
self.assertEqual(m['background'], expected)
# Multiple states
for states in ['pressed', '!disabled'], ['pressed !disabled'], [('pressed', '!disabled')]:
with self.subTest(states=states):
style.map('TButton', background=[(*states, 'black')])
expected = [('pressed', '!disabled', 'black')]
self.assertEqual(style.map('TButton', 'background'), expected)
m = style.map('TButton')
self.assertIsInstance(m, dict)
self.assertEqual(m['background'], expected)
# Default state
for states in [], [''], [()]:
with self.subTest(states=states):
style.map('TButton', background=[(*states, 'grey')])
expected = [('grey',)]
self.assertEqual(style.map('TButton', 'background'), expected)
m = style.map('TButton')
self.assertIsInstance(m, dict)
self.assertEqual(m['background'], expected)
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)
def test_configure_custom_copy(self):
style = self.style
curr_theme = self.style.theme_use()
self.addCleanup(self.style.theme_use, curr_theme)
for theme in self.style.theme_names():
self.style.theme_use(theme)
for name in CLASS_NAMES:
default = style.configure(name)
if not default:
continue
with self.subTest(theme=theme, name=name):
if support.verbose >= 2:
print('configure', theme, name, default)
if (theme in ('vista', 'xpnative')
and sys.getwindowsversion()[:2] == (6, 1)):
# Fails on the Windows 7 buildbot
continue
newname = f'C.{name}'
self.assertEqual(style.configure(newname), None)
style.configure(newname, **default)
self.assertEqual(style.configure(newname), default)
for key, value in default.items():
self.assertEqual(style.configure(newname, key), value)
def test_map_custom_copy(self):
style = self.style
curr_theme = self.style.theme_use()
self.addCleanup(self.style.theme_use, curr_theme)
for theme in self.style.theme_names():
self.style.theme_use(theme)
for name in CLASS_NAMES:
default = style.map(name)
if not default:
continue
with self.subTest(theme=theme, name=name):
if support.verbose >= 2:
print('map', theme, name, default)
if (theme in ('vista', 'xpnative')
and sys.getwindowsversion()[:2] == (6, 1)):
# Fails on the Windows 7 buildbot
continue
newname = f'C.{name}'
self.assertEqual(style.map(newname), {})
style.map(newname, **default)
self.assertEqual(style.map(newname), default)
for key, value in default.items():
self.assertEqual(style.map(newname, key), value)
if __name__ == "__main__":
unittest.main()
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