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