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