1 import unittest
2 import sys
3 import tkinter
4 from tkinter import ttk
5 from tkinter import TclError
6 from test import support
7 from test.support import requires
8 from tkinter.test.support import AbstractTkTest, get_tk_patchlevel
9
10 requires('gui')
11
12 CLASS_NAMES = [
13 '.', 'ComboboxPopdownFrame', 'Heading',
14 'Horizontal.TProgressbar', 'Horizontal.TScale', 'Item', 'Sash',
15 'TButton', 'TCheckbutton', 'TCombobox', 'TEntry',
16 'TLabelframe', 'TLabelframe.Label', 'TMenubutton',
17 'TNotebook', 'TNotebook.Tab', 'Toolbutton', 'TProgressbar',
18 'TRadiobutton', 'Treeview', 'TScale', 'TScrollbar', 'TSpinbox',
19 'Vertical.TProgressbar', 'Vertical.TScale'
20 ]
21
22 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):
23
24 def setUp(self):
25 super().setUp()
26 self.style = ttk.Style(self.root)
27
28
29 def test_configure(self):
30 style = self.style
31 style.configure('TButton', background='yellow')
32 self.assertEqual(style.configure('TButton', 'background'),
33 'yellow')
34 self.assertIsInstance(style.configure('TButton'), dict)
35
36
37 def test_map(self):
38 style = self.style
39
40 # Single state
41 for states in ['active'], [('active',)]:
42 with self.subTest(states=states):
43 style.map('TButton', background=[(*states, 'white')])
44 expected = [('active', 'white')]
45 self.assertEqual(style.map('TButton', 'background'), expected)
46 m = style.map('TButton')
47 self.assertIsInstance(m, dict)
48 self.assertEqual(m['background'], expected)
49
50 # Multiple states
51 for states in ['pressed', '!disabled'], ['pressed !disabled'], [('pressed', '!disabled')]:
52 with self.subTest(states=states):
53 style.map('TButton', background=[(*states, 'black')])
54 expected = [('pressed', '!disabled', 'black')]
55 self.assertEqual(style.map('TButton', 'background'), expected)
56 m = style.map('TButton')
57 self.assertIsInstance(m, dict)
58 self.assertEqual(m['background'], expected)
59
60 # Default state
61 for states in [], [''], [()]:
62 with self.subTest(states=states):
63 style.map('TButton', background=[(*states, 'grey')])
64 expected = [('grey',)]
65 self.assertEqual(style.map('TButton', 'background'), expected)
66 m = style.map('TButton')
67 self.assertIsInstance(m, dict)
68 self.assertEqual(m['background'], expected)
69
70
71 def test_lookup(self):
72 style = self.style
73 style.configure('TButton', background='yellow')
74 style.map('TButton', background=[('active', 'background', 'blue')])
75
76 self.assertEqual(style.lookup('TButton', 'background'), 'yellow')
77 self.assertEqual(style.lookup('TButton', 'background',
78 ['active', 'background']), 'blue')
79 self.assertEqual(style.lookup('TButton', 'optionnotdefined',
80 default='iknewit'), 'iknewit')
81
82
83 def test_layout(self):
84 style = self.style
85 self.assertRaises(tkinter.TclError, style.layout, 'NotALayout')
86 tv_style = style.layout('Treeview')
87
88 # "erase" Treeview layout
89 style.layout('Treeview', '')
90 self.assertEqual(style.layout('Treeview'),
91 [('null', {'sticky': 'nswe'})]
92 )
93
94 # restore layout
95 style.layout('Treeview', tv_style)
96 self.assertEqual(style.layout('Treeview'), tv_style)
97
98 # should return a list
99 self.assertIsInstance(style.layout('TButton'), list)
100
101 # correct layout, but "option" doesn't exist as option
102 self.assertRaises(tkinter.TclError, style.layout, 'Treeview',
103 [('name', {'option': 'inexistent'})])
104
105
106 def test_theme_use(self):
107 self.assertRaises(tkinter.TclError, self.style.theme_use,
108 'nonexistingname')
109
110 curr_theme = self.style.theme_use()
111 new_theme = None
112 for theme in self.style.theme_names():
113 if theme != curr_theme:
114 new_theme = theme
115 self.style.theme_use(theme)
116 break
117 else:
118 # just one theme available, can't go on with tests
119 return
120
121 self.assertFalse(curr_theme == new_theme)
122 self.assertFalse(new_theme != self.style.theme_use())
123
124 self.style.theme_use(curr_theme)
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 def test_element_options(self):
180 style = self.style
181 element_names = style.element_names()
182 self.assertNotIsInstance(element_names, str)
183 for name in element_names:
184 self.assertIsInstance(name, str)
185 element_options = style.element_options(name)
186 self.assertNotIsInstance(element_options, str)
187 for optname in element_options:
188 self.assertIsInstance(optname, str)
189
190 def test_element_create_errors(self):
191 style = self.style
192 with self.assertRaises(TypeError):
193 style.element_create('plain.newelem')
194 with self.assertRaisesRegex(TclError, 'No such element type spam'):
195 style.element_create('plain.newelem', 'spam')
196
197 def test_element_create_from(self):
198 style = self.style
199 style.element_create('plain.background', 'from', 'default')
200 self.assertIn('plain.background', style.element_names())
201 style.element_create('plain.arrow', 'from', 'default', 'rightarrow')
202 self.assertIn('plain.arrow', style.element_names())
203
204 def test_element_create_from_errors(self):
205 style = self.style
206 with self.assertRaises(IndexError):
207 style.element_create('plain.newelem', 'from')
208 with self.assertRaisesRegex(TclError, 'theme "spam" doesn\'t exist'):
209 style.element_create('plain.newelem', 'from', 'spam')
210
211 def test_element_create_image(self):
212 style = self.style
213 image = tkinter.PhotoImage(master=self.root, width=12, height=10)
214 style.element_create('block', 'image', image)
215 self.assertIn('block', style.element_names())
216
217 style.layout('TestLabel1', [('block', {'sticky': 'news'})])
218 a = ttk.Label(self.root, style='TestLabel1')
219 a.pack(expand=True, fill='both')
220 self.assertEqual(a.winfo_reqwidth(), 12)
221 self.assertEqual(a.winfo_reqheight(), 10)
222
223 imgfile = support.findfile('python.xbm', subdir='imghdrdata')
224 img1 = tkinter.BitmapImage(master=self.root, file=imgfile,
225 foreground='yellow', background='blue')
226 img2 = tkinter.BitmapImage(master=self.root, file=imgfile,
227 foreground='blue', background='yellow')
228 img3 = tkinter.BitmapImage(master=self.root, file=imgfile,
229 foreground='white', background='black')
230 style.element_create('Button.button', 'image',
231 img1, ('pressed', img2), ('active', img3),
232 border=(2, 4), sticky='we')
233 self.assertIn('Button.button', style.element_names())
234
235 style.layout('Button', [('Button.button', {'sticky': 'news'})])
236 b = ttk.Button(self.root, style='Button')
237 b.pack(expand=True, fill='both')
238 self.assertEqual(b.winfo_reqwidth(), 16)
239 self.assertEqual(b.winfo_reqheight(), 16)
240
241 def test_element_create_image_errors(self):
242 style = self.style
243 image = tkinter.PhotoImage(master=self.root, width=10, height=10)
244 with self.assertRaises(IndexError):
245 style.element_create('block2', 'image')
246 with self.assertRaises(TypeError):
247 style.element_create('block2', 'image', image, 1)
248 with self.assertRaises(ValueError):
249 style.element_create('block2', 'image', image, ())
250 with self.assertRaisesRegex(TclError, 'Invalid state name'):
251 style.element_create('block2', 'image', image, ('spam', image))
252 with self.assertRaisesRegex(TclError, 'Invalid state name'):
253 style.element_create('block2', 'image', image, (1, image))
254 with self.assertRaises(TypeError):
255 style.element_create('block2', 'image', image, ('pressed', 1, image))
256 with self.assertRaises(TypeError):
257 style.element_create('block2', 'image', image, (1, 'selected', image))
258 with self.assertRaisesRegex(TclError, 'bad option'):
259 style.element_create('block2', 'image', image, spam=1)
260
261 def test_theme_create(self):
262 style = self.style
263 curr_theme = style.theme_use()
264 curr_layout = style.layout('TLabel')
265 style.theme_create('testtheme1')
266 self.assertIn('testtheme1', style.theme_names())
267
268 style.theme_create('testtheme2', settings={
269 'elem' : {'element create': ['from', 'default'],},
270 'TLabel' : {
271 'configure': {'padding': 10},
272 'layout': [('elem', {'sticky': 'we'})],
273 },
274 })
275 self.assertIn('testtheme2', style.theme_names())
276
277 style.theme_create('testtheme3', 'testtheme2')
278 self.assertIn('testtheme3', style.theme_names())
279
280 style.theme_use('testtheme1')
281 self.assertEqual(style.element_names(), ())
282 self.assertEqual(style.layout('TLabel'), curr_layout)
283
284 style.theme_use('testtheme2')
285 self.assertEqual(style.element_names(), ('elem',))
286 self.assertEqual(style.lookup('TLabel', 'padding'), '10')
287 self.assertEqual(style.layout('TLabel'), [('elem', {'sticky': 'we'})])
288
289 style.theme_use('testtheme3')
290 self.assertEqual(style.element_names(), ())
291 self.assertEqual(style.lookup('TLabel', 'padding'), '')
292 self.assertEqual(style.layout('TLabel'), [('elem', {'sticky': 'we'})])
293
294 style.theme_use(curr_theme)
295
296 def test_theme_create_image(self):
297 style = self.style
298 curr_theme = style.theme_use()
299 image = tkinter.PhotoImage(master=self.root, width=10, height=10)
300 new_theme = 'testtheme4'
301 style.theme_create(new_theme, settings={
302 'block' : {
303 'element create': ['image', image, {'width': 120, 'height': 100}],
304 },
305 'TestWidget.block2' : {
306 'element create': ['image', image],
307 },
308 'TestWidget' : {
309 'configure': {
310 'anchor': 'left',
311 'padding': (3, 0, 0, 2),
312 'foreground': 'yellow',
313 },
314 'map': {
315 'foreground': [
316 ('pressed', 'red'),
317 ('active', 'disabled', 'blue'),
318 ],
319 },
320 'layout': [
321 ('TestWidget.block', {'sticky': 'we', 'side': 'left'}),
322 ('TestWidget.border', {
323 'sticky': 'nsw',
324 'border': 1,
325 'children': [
326 ('TestWidget.block2', {'sticky': 'nswe'})
327 ]
328 })
329 ],
330 },
331 })
332
333 style.theme_use(new_theme)
334 self.assertIn('block', style.element_names())
335 self.assertEqual(style.lookup('TestWidget', 'anchor'), 'left')
336 self.assertEqual(style.lookup('TestWidget', 'padding'), '3 0 0 2')
337 self.assertEqual(style.lookup('TestWidget', 'foreground'), 'yellow')
338 self.assertEqual(style.lookup('TestWidget', 'foreground',
339 ['active']), 'yellow')
340 self.assertEqual(style.lookup('TestWidget', 'foreground',
341 ['active', 'pressed']), 'red')
342 self.assertEqual(style.lookup('TestWidget', 'foreground',
343 ['active', 'disabled']), 'blue')
344 self.assertEqual(style.layout('TestWidget'),
345 [
346 ('TestWidget.block', {'side': 'left', 'sticky': 'we'}),
347 ('TestWidget.border', {
348 'sticky': 'nsw',
349 'border': '1',
350 'children': [('TestWidget.block2', {'sticky': 'nswe'})]
351 })
352 ])
353
354 b = ttk.Label(self.root, style='TestWidget')
355 b.pack(expand=True, fill='both')
356 self.assertEqual(b.winfo_reqwidth(), 134)
357 self.assertEqual(b.winfo_reqheight(), 100)
358
359 style.theme_use(curr_theme)
360
361
362 if __name__ == "__main__":
363 unittest.main()