1 import unittest 2 import Tkinter 3 import ttk 4 from test.test_support import requires, run_unittest 5 6 import support 7 8 requires('gui') 9 10 class StyleTest(unittest.TestCase): 11 12 def setUp(self): 13 self.style = ttk.Style() 14 15 16 def test_configure(self): 17 style = self.style 18 style.configure('TButton', background='yellow') 19 self.assertEqual(style.configure('TButton', 'background'), 20 'yellow') 21 self.assertTrue(isinstance(style.configure('TButton'), dict)) 22 23 24 def test_map(self): 25 style = self.style 26 style.map('TButton', background=[('active', 'background', 'blue')]) 27 self.assertEqual(style.map('TButton', 'background'), 28 [('active', 'background', 'blue')]) 29 self.assertTrue(isinstance(style.map('TButton'), dict)) 30 31 32 def test_lookup(self): 33 style = self.style 34 style.configure('TButton', background='yellow') 35 style.map('TButton', background=[('active', 'background', 'blue')]) 36 37 self.assertEqual(style.lookup('TButton', 'background'), 'yellow') 38 self.assertEqual(style.lookup('TButton', 'background', 39 ['active', 'background']), 'blue') 40 self.assertEqual(style.lookup('TButton', 'optionnotdefined', 41 default='iknewit'), 'iknewit') 42 43 44 def test_layout(self): 45 style = self.style 46 self.assertRaises(Tkinter.TclError, style.layout, 'NotALayout') 47 tv_style = style.layout('Treeview') 48 49 # "erase" Treeview layout 50 style.layout('Treeview', '') 51 self.assertEqual(style.layout('Treeview'), 52 [('null', {'sticky': 'nswe'})] 53 ) 54 55 # restore layout 56 style.layout('Treeview', tv_style) 57 self.assertEqual(style.layout('Treeview'), tv_style) 58 59 # should return a list 60 self.assertTrue(isinstance(style.layout('TButton'), list)) 61 62 # correct layout, but "option" doesn't exist as option 63 self.assertRaises(Tkinter.TclError, style.layout, 'Treeview', 64 [('name', {'option': 'inexistent'})]) 65 66 67 def test_theme_use(self): 68 self.assertRaises(Tkinter.TclError, self.style.theme_use, 69 'nonexistingname') 70 71 curr_theme = self.style.theme_use() 72 new_theme = None 73 for theme in self.style.theme_names(): 74 if theme != curr_theme: 75 new_theme = theme 76 self.style.theme_use(theme) 77 break 78 else: 79 # just one theme available, can't go on with tests 80 return 81 82 self.assertFalse(curr_theme == new_theme) 83 self.assertFalse(new_theme != self.style.theme_use()) 84 85 self.style.theme_use(curr_theme) 86 87 88 tests_gui = (StyleTest, ) 89 90 if __name__ == "__main__": 91 run_unittest(*tests_gui) 92
