1 import unittest
2 import sys
3 import tkinter
4 from tkinter import ttk
5 from test import support
6 from test.support import requires
7 from test.test_tkinter.support import AbstractTkTest, get_tk_patchlevel
8
9 requires('gui')
10
11 CLASS_NAMES = [
12 '.', 'ComboboxPopdownFrame', 'Heading',
13 'Horizontal.TProgressbar', 'Horizontal.TScale', 'Item', 'Sash',
14 'TButton', 'TCheckbutton', 'TCombobox', 'TEntry',
15 'TLabelframe', 'TLabelframe.Label', 'TMenubutton',
16 'TNotebook', 'TNotebook.Tab', 'Toolbutton', 'TProgressbar',
17 'TRadiobutton', 'Treeview', 'TScale', 'TScrollbar', 'TSpinbox',
18 'Vertical.TProgressbar', 'Vertical.TScale'
19 ]
20
21 class ESC[4;38;5;81mStyleTest(ESC[4;38;5;149mAbstractTkTest, ESC[4;38;5;149munittestESC[4;38;5;149m.ESC[4;38;5;149mTestCase):
22
23 def setUp(self):
24 super().setUp()
25 self.style = ttk.Style(self.root)
26
27
28 def test_configure(self):
29 style = self.style
30 style.configure('TButton', background='yellow')
31 self.assertEqual(style.configure('TButton', 'background'),
32 'yellow')
33 self.assertIsInstance(style.configure('TButton'), dict)
34
35
36 def test_map(self):
37 style = self.style
38
39 # Single state
40 for states in ['active'], [('active',)]:
41 with self.subTest(states=states):
42 style.map('TButton', background=[(*states, 'white')])
43 expected = [('active', 'white')]
44 self.assertEqual(style.map('TButton', 'background'), expected)
45 m = style.map('TButton')
46 self.assertIsInstance(m, dict)
47 self.assertEqual(m['background'], expected)
48
49 # Multiple states
50 for states in ['pressed', '!disabled'], ['pressed !disabled'], [('pressed', '!disabled')]:
51 with self.subTest(states=states):
52 style.map('TButton', background=[(*states, 'black')])
53 expected = [('pressed', '!disabled', 'black')]
54 self.assertEqual(style.map('TButton', 'background'), expected)
55 m = style.map('TButton')
56 self.assertIsInstance(m, dict)
57 self.assertEqual(m['background'], expected)
58
59 # Default state
60 for states in [], [''], [()]:
61 with self.subTest(states=states):
62 style.map('TButton', background=[(*states, 'grey')])
63 expected = [('grey',)]
64 self.assertEqual(style.map('TButton', 'background'), expected)
65 m = style.map('TButton')
66 self.assertIsInstance(m, dict)
67 self.assertEqual(m['background'], expected)
68
69
70 def test_lookup(self):
71 style = self.style
72 style.configure('TButton', background='yellow')
73 style.map('TButton', background=[('active', 'background', 'blue')])
74
75 self.assertEqual(style.lookup('TButton', 'background'), 'yellow')
76 self.assertEqual(style.lookup('TButton', 'background',
77 ['active', 'background']), 'blue')
78 self.assertEqual(style.lookup('TButton', 'optionnotdefined',
79 default='iknewit'), 'iknewit')
80
81
82 def test_layout(self):
83 style = self.style
84 self.assertRaises(tkinter.TclError, style.layout, 'NotALayout')
85 tv_style = style.layout('Treeview')
86
87 # "erase" Treeview layout
88 style.layout('Treeview', '')
89 self.assertEqual(style.layout('Treeview'),
90 [('null', {'sticky': 'nswe'})]
91 )
92
93 # restore layout
94 style.layout('Treeview', tv_style)
95 self.assertEqual(style.layout('Treeview'), tv_style)
96
97 # should return a list
98 self.assertIsInstance(style.layout('TButton'), list)
99
100 # correct layout, but "option" doesn't exist as option
101 self.assertRaises(tkinter.TclError, style.layout, 'Treeview',
102 [('name', {'option': 'inexistent'})])
103
104
105 def test_theme_use(self):
106 self.assertRaises(tkinter.TclError, self.style.theme_use,
107 'nonexistingname')
108
109 curr_theme = self.style.theme_use()
110 new_theme = None
111 for theme in self.style.theme_names():
112 if theme != curr_theme:
113 new_theme = theme
114 self.style.theme_use(theme)
115 break
116 else:
117 # just one theme available, can't go on with tests
118 return
119
120 self.assertFalse(curr_theme == new_theme)
121 self.assertFalse(new_theme != self.style.theme_use())
122
123 self.style.theme_use(curr_theme)
124
125
126 def test_configure_custom_copy(self):
127 style = self.style
128
129 curr_theme = self.style.theme_use()
130 self.addCleanup(self.style.theme_use, curr_theme)
131 for theme in self.style.theme_names():
132 self.style.theme_use(theme)
133 for name in CLASS_NAMES:
134 default = style.configure(name)
135 if not default:
136 continue
137 with self.subTest(theme=theme, name=name):
138 if support.verbose >= 2:
139 print('configure', theme, name, default)
140 if (theme in ('vista', 'xpnative')
141 and sys.getwindowsversion()[:2] == (6, 1)):
142 # Fails on the Windows 7 buildbot
143 continue
144 newname = f'C.{name}'
145 self.assertEqual(style.configure(newname), None)
146 style.configure(newname, **default)
147 self.assertEqual(style.configure(newname), default)
148 for key, value in default.items():
149 self.assertEqual(style.configure(newname, key), value)
150
151
152 def test_map_custom_copy(self):
153 style = self.style
154
155 curr_theme = self.style.theme_use()
156 self.addCleanup(self.style.theme_use, curr_theme)
157 for theme in self.style.theme_names():
158 self.style.theme_use(theme)
159 for name in CLASS_NAMES:
160 default = style.map(name)
161 if not default:
162 continue
163 with self.subTest(theme=theme, name=name):
164 if support.verbose >= 2:
165 print('map', theme, name, default)
166 if (theme in ('vista', 'xpnative')
167 and sys.getwindowsversion()[:2] == (6, 1)):
168 # Fails on the Windows 7 buildbot
169 continue
170 newname = f'C.{name}'
171 self.assertEqual(style.map(newname), {})
172 style.map(newname, **default)
173 if theme == 'alt' and name == '.' and get_tk_patchlevel(self.root) < (8, 6, 1):
174 default['embossed'] = [('disabled', '1')]
175 self.assertEqual(style.map(newname), default)
176 for key, value in default.items():
177 self.assertEqual(style.map(newname, key), value)
178
179
180 if __name__ == "__main__":
181 unittest.main()