1 import functools
2 import unittest
3 import tkinter
4 import enum
5 from test import support
6 from test.test_tkinter.support import AbstractTkTest, AbstractDefaultRootTest
7
8 support.requires('gui')
9
10 class ESC[4;38;5;81mMiscTest(ESC[4;38;5;149mAbstractTkTest, ESC[4;38;5;149munittestESC[4;38;5;149m.ESC[4;38;5;149mTestCase):
11
12 def test_all(self):
13 self.assertIn("Widget", tkinter.__all__)
14 # Check that variables from tkinter.constants are also in tkinter.__all__
15 self.assertIn("CASCADE", tkinter.__all__)
16 self.assertIsNotNone(tkinter.CASCADE)
17 # Check that sys, re, and constants are not in tkinter.__all__
18 self.assertNotIn("re", tkinter.__all__)
19 self.assertNotIn("sys", tkinter.__all__)
20 self.assertNotIn("constants", tkinter.__all__)
21 # Check that an underscored functions is not in tkinter.__all__
22 self.assertNotIn("_tkerror", tkinter.__all__)
23 # Check that wantobjects is not in tkinter.__all__
24 self.assertNotIn("wantobjects", tkinter.__all__)
25
26 def test_repr(self):
27 t = tkinter.Toplevel(self.root, name='top')
28 f = tkinter.Frame(t, name='child')
29 self.assertEqual(repr(f), '<tkinter.Frame object .top.child>')
30
31 def test_generated_names(self):
32 t = tkinter.Toplevel(self.root)
33 f = tkinter.Frame(t)
34 f2 = tkinter.Frame(t)
35 b = tkinter.Button(f2)
36 for name in str(b).split('.'):
37 self.assertFalse(name.isidentifier(), msg=repr(name))
38
39 def test_tk_setPalette(self):
40 root = self.root
41 root.tk_setPalette('black')
42 self.assertEqual(root['background'], 'black')
43 root.tk_setPalette('white')
44 self.assertEqual(root['background'], 'white')
45 self.assertRaisesRegex(tkinter.TclError,
46 '^unknown color name "spam"$',
47 root.tk_setPalette, 'spam')
48
49 root.tk_setPalette(background='black')
50 self.assertEqual(root['background'], 'black')
51 root.tk_setPalette(background='blue', highlightColor='yellow')
52 self.assertEqual(root['background'], 'blue')
53 self.assertEqual(root['highlightcolor'], 'yellow')
54 root.tk_setPalette(background='yellow', highlightColor='blue')
55 self.assertEqual(root['background'], 'yellow')
56 self.assertEqual(root['highlightcolor'], 'blue')
57 self.assertRaisesRegex(tkinter.TclError,
58 '^unknown color name "spam"$',
59 root.tk_setPalette, background='spam')
60 self.assertRaisesRegex(tkinter.TclError,
61 '^must specify a background color$',
62 root.tk_setPalette, spam='white')
63 self.assertRaisesRegex(tkinter.TclError,
64 '^must specify a background color$',
65 root.tk_setPalette, highlightColor='blue')
66
67 def test_after(self):
68 root = self.root
69
70 def callback(start=0, step=1):
71 nonlocal count
72 count = start + step
73
74 # Without function, sleeps for ms.
75 self.assertIsNone(root.after(1))
76
77 # Set up with callback with no args.
78 count = 0
79 timer1 = root.after(0, callback)
80 self.assertIn(timer1, root.tk.call('after', 'info'))
81 (script, _) = root.tk.splitlist(root.tk.call('after', 'info', timer1))
82 root.update() # Process all pending events.
83 self.assertEqual(count, 1)
84 with self.assertRaises(tkinter.TclError):
85 root.tk.call(script)
86
87 # Set up with callback with args.
88 count = 0
89 timer1 = root.after(0, callback, 42, 11)
90 root.update() # Process all pending events.
91 self.assertEqual(count, 53)
92
93 # Cancel before called.
94 timer1 = root.after(1000, callback)
95 self.assertIn(timer1, root.tk.call('after', 'info'))
96 (script, _) = root.tk.splitlist(root.tk.call('after', 'info', timer1))
97 root.after_cancel(timer1) # Cancel this event.
98 self.assertEqual(count, 53)
99 with self.assertRaises(tkinter.TclError):
100 root.tk.call(script)
101
102 # Call with a callable class
103 count = 0
104 timer1 = root.after(0, functools.partial(callback, 42, 11))
105 root.update() # Process all pending events.
106 self.assertEqual(count, 53)
107
108 def test_after_idle(self):
109 root = self.root
110
111 def callback(start=0, step=1):
112 nonlocal count
113 count = start + step
114
115 # Set up with callback with no args.
116 count = 0
117 idle1 = root.after_idle(callback)
118 self.assertIn(idle1, root.tk.call('after', 'info'))
119 (script, _) = root.tk.splitlist(root.tk.call('after', 'info', idle1))
120 root.update_idletasks() # Process all pending events.
121 self.assertEqual(count, 1)
122 with self.assertRaises(tkinter.TclError):
123 root.tk.call(script)
124
125 # Set up with callback with args.
126 count = 0
127 idle1 = root.after_idle(callback, 42, 11)
128 root.update_idletasks() # Process all pending events.
129 self.assertEqual(count, 53)
130
131 # Cancel before called.
132 idle1 = root.after_idle(callback)
133 self.assertIn(idle1, root.tk.call('after', 'info'))
134 (script, _) = root.tk.splitlist(root.tk.call('after', 'info', idle1))
135 root.after_cancel(idle1) # Cancel this event.
136 self.assertEqual(count, 53)
137 with self.assertRaises(tkinter.TclError):
138 root.tk.call(script)
139
140 def test_after_cancel(self):
141 root = self.root
142
143 def callback():
144 nonlocal count
145 count += 1
146
147 timer1 = root.after(5000, callback)
148 idle1 = root.after_idle(callback)
149
150 # No value for id raises a ValueError.
151 with self.assertRaises(ValueError):
152 root.after_cancel(None)
153
154 # Cancel timer event.
155 count = 0
156 (script, _) = root.tk.splitlist(root.tk.call('after', 'info', timer1))
157 root.tk.call(script)
158 self.assertEqual(count, 1)
159 root.after_cancel(timer1)
160 with self.assertRaises(tkinter.TclError):
161 root.tk.call(script)
162 self.assertEqual(count, 1)
163 with self.assertRaises(tkinter.TclError):
164 root.tk.call('after', 'info', timer1)
165
166 # Cancel same event - nothing happens.
167 root.after_cancel(timer1)
168
169 # Cancel idle event.
170 count = 0
171 (script, _) = root.tk.splitlist(root.tk.call('after', 'info', idle1))
172 root.tk.call(script)
173 self.assertEqual(count, 1)
174 root.after_cancel(idle1)
175 with self.assertRaises(tkinter.TclError):
176 root.tk.call(script)
177 self.assertEqual(count, 1)
178 with self.assertRaises(tkinter.TclError):
179 root.tk.call('after', 'info', idle1)
180
181 def test_clipboard(self):
182 root = self.root
183 root.clipboard_clear()
184 root.clipboard_append('Ùñî')
185 self.assertEqual(root.clipboard_get(), 'Ùñî')
186 root.clipboard_append('çōđě')
187 self.assertEqual(root.clipboard_get(), 'Ùñîçōđě')
188 root.clipboard_clear()
189 with self.assertRaises(tkinter.TclError):
190 root.clipboard_get()
191
192 def test_clipboard_astral(self):
193 root = self.root
194 root.clipboard_clear()
195 root.clipboard_append('𝔘𝔫𝔦')
196 self.assertEqual(root.clipboard_get(), '𝔘𝔫𝔦')
197 root.clipboard_append('𝔠𝔬𝔡𝔢')
198 self.assertEqual(root.clipboard_get(), '𝔘𝔫𝔦𝔠𝔬𝔡𝔢')
199 root.clipboard_clear()
200 with self.assertRaises(tkinter.TclError):
201 root.clipboard_get()
202
203 def test_winfo_rgb(self):
204
205 def assertApprox(col1, col2):
206 # A small amount of flexibility is required (bpo-45496)
207 # 33 is ~0.05% of 65535, which is a reasonable margin
208 for col1_channel, col2_channel in zip(col1, col2):
209 self.assertAlmostEqual(col1_channel, col2_channel, delta=33)
210
211 root = self.root
212 rgb = root.winfo_rgb
213
214 # Color name.
215 self.assertEqual(rgb('red'), (65535, 0, 0))
216 self.assertEqual(rgb('dark slate blue'), (18504, 15677, 35723))
217 # #RGB - extends each 4-bit hex value to be 16-bit.
218 self.assertEqual(rgb('#F0F'), (0xFFFF, 0x0000, 0xFFFF))
219 # #RRGGBB - extends each 8-bit hex value to be 16-bit.
220 assertApprox(rgb('#4a3c8c'), (0x4a4a, 0x3c3c, 0x8c8c))
221 # #RRRRGGGGBBBB
222 assertApprox(rgb('#dede14143939'), (0xdede, 0x1414, 0x3939))
223 # Invalid string.
224 with self.assertRaises(tkinter.TclError):
225 rgb('#123456789a')
226 # RGB triplet is invalid input.
227 with self.assertRaises(tkinter.TclError):
228 rgb((111, 78, 55))
229
230 def test_event_repr_defaults(self):
231 e = tkinter.Event()
232 e.serial = 12345
233 e.num = '??'
234 e.height = '??'
235 e.keycode = '??'
236 e.state = 0
237 e.time = 123456789
238 e.width = '??'
239 e.x = '??'
240 e.y = '??'
241 e.char = ''
242 e.keysym = '??'
243 e.keysym_num = '??'
244 e.type = '100'
245 e.widget = '??'
246 e.x_root = '??'
247 e.y_root = '??'
248 e.delta = 0
249 self.assertEqual(repr(e), '<100 event>')
250
251 def test_event_repr(self):
252 e = tkinter.Event()
253 e.serial = 12345
254 e.num = 3
255 e.focus = True
256 e.height = 200
257 e.keycode = 65
258 e.state = 0x30405
259 e.time = 123456789
260 e.width = 300
261 e.x = 10
262 e.y = 20
263 e.char = 'A'
264 e.send_event = True
265 e.keysym = 'Key-A'
266 e.keysym_num = ord('A')
267 e.type = tkinter.EventType.Configure
268 e.widget = '.text'
269 e.x_root = 1010
270 e.y_root = 1020
271 e.delta = -1
272 self.assertEqual(repr(e),
273 "<Configure event send_event=True"
274 " state=Shift|Control|Button3|0x30000"
275 " keysym=Key-A keycode=65 char='A'"
276 " num=3 delta=-1 focus=True"
277 " x=10 y=20 width=300 height=200>")
278
279 def test_eventtype_enum(self):
280 class ESC[4;38;5;81mCheckedEventType(ESC[4;38;5;149menumESC[4;38;5;149m.ESC[4;38;5;149mStrEnum):
281 KeyPress = '2'
282 Key = KeyPress
283 KeyRelease = '3'
284 ButtonPress = '4'
285 Button = ButtonPress
286 ButtonRelease = '5'
287 Motion = '6'
288 Enter = '7'
289 Leave = '8'
290 FocusIn = '9'
291 FocusOut = '10'
292 Keymap = '11' # undocumented
293 Expose = '12'
294 GraphicsExpose = '13' # undocumented
295 NoExpose = '14' # undocumented
296 Visibility = '15'
297 Create = '16'
298 Destroy = '17'
299 Unmap = '18'
300 Map = '19'
301 MapRequest = '20'
302 Reparent = '21'
303 Configure = '22'
304 ConfigureRequest = '23'
305 Gravity = '24'
306 ResizeRequest = '25'
307 Circulate = '26'
308 CirculateRequest = '27'
309 Property = '28'
310 SelectionClear = '29' # undocumented
311 SelectionRequest = '30' # undocumented
312 Selection = '31' # undocumented
313 Colormap = '32'
314 ClientMessage = '33' # undocumented
315 Mapping = '34' # undocumented
316 VirtualEvent = '35' # undocumented
317 Activate = '36'
318 Deactivate = '37'
319 MouseWheel = '38'
320 enum._test_simple_enum(CheckedEventType, tkinter.EventType)
321
322 def test_getboolean(self):
323 for v in 'true', 'yes', 'on', '1', 't', 'y', 1, True:
324 self.assertIs(self.root.getboolean(v), True)
325 for v in 'false', 'no', 'off', '0', 'f', 'n', 0, False:
326 self.assertIs(self.root.getboolean(v), False)
327 self.assertRaises(ValueError, self.root.getboolean, 'yea')
328 self.assertRaises(ValueError, self.root.getboolean, '')
329 self.assertRaises(TypeError, self.root.getboolean, None)
330 self.assertRaises(TypeError, self.root.getboolean, ())
331
332 def test_mainloop(self):
333 log = []
334 def callback():
335 log.append(1)
336 self.root.after(100, self.root.quit)
337 self.root.after(100, callback)
338 self.root.mainloop(1)
339 self.assertEqual(log, [])
340 self.root.mainloop(0)
341 self.assertEqual(log, [1])
342 self.assertTrue(self.root.winfo_exists())
343
344 def test_info_patchlevel(self):
345 vi = self.root.info_patchlevel()
346 f = tkinter.Frame(self.root)
347 self.assertEqual(f.info_patchlevel(), vi)
348 # The following is almost a copy of tests for sys.version_info.
349 self.assertIsInstance(vi[:], tuple)
350 self.assertEqual(len(vi), 5)
351 self.assertIsInstance(vi[0], int)
352 self.assertIsInstance(vi[1], int)
353 self.assertIsInstance(vi[2], int)
354 self.assertIn(vi[3], ("alpha", "beta", "candidate", "final"))
355 self.assertIsInstance(vi[4], int)
356 self.assertIsInstance(vi.major, int)
357 self.assertIsInstance(vi.minor, int)
358 self.assertIsInstance(vi.micro, int)
359 self.assertIn(vi.releaselevel, ("alpha", "beta", "final"))
360 self.assertIsInstance(vi.serial, int)
361 self.assertEqual(vi[0], vi.major)
362 self.assertEqual(vi[1], vi.minor)
363 self.assertEqual(vi[2], vi.micro)
364 self.assertEqual(vi[3], vi.releaselevel)
365 self.assertEqual(vi[4], vi.serial)
366 self.assertTrue(vi > (1,0,0))
367 if vi.releaselevel == 'final':
368 self.assertEqual(vi.serial, 0)
369 else:
370 self.assertEqual(vi.micro, 0)
371 self.assertTrue(str(vi).startswith(f'{vi.major}.{vi.minor}'))
372
373
374 class ESC[4;38;5;81mDefaultRootTest(ESC[4;38;5;149mAbstractDefaultRootTest, ESC[4;38;5;149munittestESC[4;38;5;149m.ESC[4;38;5;149mTestCase):
375
376 def test_default_root(self):
377 self.assertIs(tkinter._support_default_root, True)
378 self.assertIsNone(tkinter._default_root)
379 root = tkinter.Tk()
380 root2 = tkinter.Tk()
381 root3 = tkinter.Tk()
382 self.assertIs(tkinter._default_root, root)
383 root2.destroy()
384 self.assertIs(tkinter._default_root, root)
385 root.destroy()
386 self.assertIsNone(tkinter._default_root)
387 root3.destroy()
388 self.assertIsNone(tkinter._default_root)
389
390 def test_no_default_root(self):
391 self.assertIs(tkinter._support_default_root, True)
392 self.assertIsNone(tkinter._default_root)
393 root = tkinter.Tk()
394 self.assertIs(tkinter._default_root, root)
395 tkinter.NoDefaultRoot()
396 self.assertIs(tkinter._support_default_root, False)
397 self.assertFalse(hasattr(tkinter, '_default_root'))
398 # repeated call is no-op
399 tkinter.NoDefaultRoot()
400 self.assertIs(tkinter._support_default_root, False)
401 self.assertFalse(hasattr(tkinter, '_default_root'))
402 root.destroy()
403 self.assertIs(tkinter._support_default_root, False)
404 self.assertFalse(hasattr(tkinter, '_default_root'))
405 root = tkinter.Tk()
406 self.assertIs(tkinter._support_default_root, False)
407 self.assertFalse(hasattr(tkinter, '_default_root'))
408 root.destroy()
409
410 def test_getboolean(self):
411 self.assertRaises(RuntimeError, tkinter.getboolean, '1')
412 root = tkinter.Tk()
413 self.assertIs(tkinter.getboolean('1'), True)
414 self.assertRaises(ValueError, tkinter.getboolean, 'yea')
415 root.destroy()
416 tkinter.NoDefaultRoot()
417 self.assertRaises(RuntimeError, tkinter.getboolean, '1')
418
419 def test_mainloop(self):
420 self.assertRaises(RuntimeError, tkinter.mainloop)
421 root = tkinter.Tk()
422 root.after_idle(root.quit)
423 tkinter.mainloop()
424 root.destroy()
425 tkinter.NoDefaultRoot()
426 self.assertRaises(RuntimeError, tkinter.mainloop)
427
428
429 if __name__ == "__main__":
430 unittest.main()