import unittest import sys import tkinter from tkinter import ttk from test import support from test.support import requires from test.test_tkinter.support import AbstractTkTest, get_tk_patchlevel 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) if theme == 'alt' and name == '.' and get_tk_patchlevel() < (8, 6, 1): default['embossed'] = [('disabled', '1')] self.assertEqual(style.map(newname), default) for key, value in default.items(): self.assertEqual(style.map(newname, key), value) if __name__ == "__main__": unittest.main()