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394 lines
14 KiB
Python
394 lines
14 KiB
Python
import functools
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import unittest
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import tkinter
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import enum
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from test import support
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from tkinter.test.support import AbstractTkTest, AbstractDefaultRootTest
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support.requires('gui')
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class MiscTest(AbstractTkTest, unittest.TestCase):
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def test_all(self):
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self.assertIn("Widget", tkinter.__all__)
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# Check that variables from tkinter.constants are also in tkinter.__all__
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self.assertIn("CASCADE", tkinter.__all__)
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self.assertIsNotNone(tkinter.CASCADE)
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# Check that sys, re, and constants are not in tkinter.__all__
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self.assertNotIn("re", tkinter.__all__)
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self.assertNotIn("sys", tkinter.__all__)
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self.assertNotIn("constants", tkinter.__all__)
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# Check that an underscored functions is not in tkinter.__all__
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self.assertNotIn("_tkerror", tkinter.__all__)
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# Check that wantobjects is not in tkinter.__all__
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self.assertNotIn("wantobjects", tkinter.__all__)
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def test_repr(self):
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t = tkinter.Toplevel(self.root, name='top')
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f = tkinter.Frame(t, name='child')
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self.assertEqual(repr(f), '<tkinter.Frame object .top.child>')
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def test_generated_names(self):
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t = tkinter.Toplevel(self.root)
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f = tkinter.Frame(t)
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f2 = tkinter.Frame(t)
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b = tkinter.Button(f2)
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for name in str(b).split('.'):
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self.assertFalse(name.isidentifier(), msg=repr(name))
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def test_tk_setPalette(self):
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root = self.root
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root.tk_setPalette('black')
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self.assertEqual(root['background'], 'black')
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root.tk_setPalette('white')
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self.assertEqual(root['background'], 'white')
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self.assertRaisesRegex(tkinter.TclError,
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'^unknown color name "spam"$',
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root.tk_setPalette, 'spam')
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root.tk_setPalette(background='black')
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self.assertEqual(root['background'], 'black')
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root.tk_setPalette(background='blue', highlightColor='yellow')
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self.assertEqual(root['background'], 'blue')
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self.assertEqual(root['highlightcolor'], 'yellow')
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root.tk_setPalette(background='yellow', highlightColor='blue')
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self.assertEqual(root['background'], 'yellow')
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self.assertEqual(root['highlightcolor'], 'blue')
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self.assertRaisesRegex(tkinter.TclError,
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'^unknown color name "spam"$',
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root.tk_setPalette, background='spam')
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self.assertRaisesRegex(tkinter.TclError,
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'^must specify a background color$',
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root.tk_setPalette, spam='white')
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self.assertRaisesRegex(tkinter.TclError,
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'^must specify a background color$',
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root.tk_setPalette, highlightColor='blue')
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def test_after(self):
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root = self.root
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def callback(start=0, step=1):
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nonlocal count
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count = start + step
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# Without function, sleeps for ms.
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self.assertIsNone(root.after(1))
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# Set up with callback with no args.
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count = 0
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timer1 = root.after(0, callback)
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self.assertIn(timer1, root.tk.call('after', 'info'))
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(script, _) = root.tk.splitlist(root.tk.call('after', 'info', timer1))
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root.update() # Process all pending events.
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self.assertEqual(count, 1)
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with self.assertRaises(tkinter.TclError):
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root.tk.call(script)
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# Set up with callback with args.
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count = 0
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timer1 = root.after(0, callback, 42, 11)
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root.update() # Process all pending events.
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self.assertEqual(count, 53)
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# Cancel before called.
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timer1 = root.after(1000, callback)
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self.assertIn(timer1, root.tk.call('after', 'info'))
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(script, _) = root.tk.splitlist(root.tk.call('after', 'info', timer1))
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root.after_cancel(timer1) # Cancel this event.
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self.assertEqual(count, 53)
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with self.assertRaises(tkinter.TclError):
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root.tk.call(script)
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# Call with a callable class
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count = 0
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timer1 = root.after(0, functools.partial(callback, 42, 11))
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root.update() # Process all pending events.
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self.assertEqual(count, 53)
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def test_after_idle(self):
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root = self.root
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def callback(start=0, step=1):
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nonlocal count
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count = start + step
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# Set up with callback with no args.
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count = 0
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idle1 = root.after_idle(callback)
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self.assertIn(idle1, root.tk.call('after', 'info'))
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(script, _) = root.tk.splitlist(root.tk.call('after', 'info', idle1))
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root.update_idletasks() # Process all pending events.
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self.assertEqual(count, 1)
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with self.assertRaises(tkinter.TclError):
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root.tk.call(script)
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# Set up with callback with args.
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count = 0
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idle1 = root.after_idle(callback, 42, 11)
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root.update_idletasks() # Process all pending events.
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self.assertEqual(count, 53)
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# Cancel before called.
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idle1 = root.after_idle(callback)
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self.assertIn(idle1, root.tk.call('after', 'info'))
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(script, _) = root.tk.splitlist(root.tk.call('after', 'info', idle1))
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root.after_cancel(idle1) # Cancel this event.
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self.assertEqual(count, 53)
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with self.assertRaises(tkinter.TclError):
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root.tk.call(script)
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def test_after_cancel(self):
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root = self.root
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def callback():
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nonlocal count
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count += 1
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timer1 = root.after(5000, callback)
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idle1 = root.after_idle(callback)
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# No value for id raises a ValueError.
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with self.assertRaises(ValueError):
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root.after_cancel(None)
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# Cancel timer event.
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count = 0
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(script, _) = root.tk.splitlist(root.tk.call('after', 'info', timer1))
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root.tk.call(script)
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self.assertEqual(count, 1)
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root.after_cancel(timer1)
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with self.assertRaises(tkinter.TclError):
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root.tk.call(script)
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self.assertEqual(count, 1)
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with self.assertRaises(tkinter.TclError):
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root.tk.call('after', 'info', timer1)
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# Cancel same event - nothing happens.
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root.after_cancel(timer1)
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# Cancel idle event.
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count = 0
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(script, _) = root.tk.splitlist(root.tk.call('after', 'info', idle1))
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root.tk.call(script)
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self.assertEqual(count, 1)
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root.after_cancel(idle1)
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with self.assertRaises(tkinter.TclError):
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root.tk.call(script)
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self.assertEqual(count, 1)
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with self.assertRaises(tkinter.TclError):
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root.tk.call('after', 'info', idle1)
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def test_clipboard(self):
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root = self.root
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root.clipboard_clear()
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root.clipboard_append('Ùñî')
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self.assertEqual(root.clipboard_get(), 'Ùñî')
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root.clipboard_append('çōđě')
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self.assertEqual(root.clipboard_get(), 'Ùñîçōđě')
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root.clipboard_clear()
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with self.assertRaises(tkinter.TclError):
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root.clipboard_get()
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def test_clipboard_astral(self):
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root = self.root
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root.clipboard_clear()
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root.clipboard_append('𝔘𝔫𝔦')
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self.assertEqual(root.clipboard_get(), '𝔘𝔫𝔦')
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root.clipboard_append('𝔠𝔬𝔡𝔢')
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self.assertEqual(root.clipboard_get(), '𝔘𝔫𝔦𝔠𝔬𝔡𝔢')
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root.clipboard_clear()
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with self.assertRaises(tkinter.TclError):
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root.clipboard_get()
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def test_winfo_rgb(self):
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root = self.root
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rgb = root.winfo_rgb
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# Color name.
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self.assertEqual(rgb('red'), (65535, 0, 0))
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self.assertEqual(rgb('dark slate blue'), (18504, 15677, 35723))
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# #RGB - extends each 4-bit hex value to be 16-bit.
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self.assertEqual(rgb('#F0F'), (0xFFFF, 0x0000, 0xFFFF))
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# #RRGGBB - extends each 8-bit hex value to be 16-bit.
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self.assertEqual(rgb('#4a3c8c'), (0x4a4a, 0x3c3c, 0x8c8c))
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# #RRRRGGGGBBBB
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self.assertEqual(rgb('#dede14143939'), (0xdede, 0x1414, 0x3939))
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# Invalid string.
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with self.assertRaises(tkinter.TclError):
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rgb('#123456789a')
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# RGB triplet is invalid input.
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with self.assertRaises(tkinter.TclError):
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rgb((111, 78, 55))
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def test_event_repr_defaults(self):
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e = tkinter.Event()
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e.serial = 12345
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e.num = '??'
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e.height = '??'
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e.keycode = '??'
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e.state = 0
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e.time = 123456789
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e.width = '??'
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e.x = '??'
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e.y = '??'
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e.char = ''
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e.keysym = '??'
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e.keysym_num = '??'
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e.type = '100'
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e.widget = '??'
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e.x_root = '??'
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e.y_root = '??'
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e.delta = 0
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self.assertEqual(repr(e), '<100 event>')
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def test_event_repr(self):
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e = tkinter.Event()
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e.serial = 12345
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e.num = 3
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e.focus = True
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e.height = 200
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e.keycode = 65
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e.state = 0x30405
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e.time = 123456789
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e.width = 300
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e.x = 10
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e.y = 20
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e.char = 'A'
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e.send_event = True
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e.keysym = 'Key-A'
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e.keysym_num = ord('A')
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e.type = tkinter.EventType.Configure
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e.widget = '.text'
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e.x_root = 1010
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e.y_root = 1020
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e.delta = -1
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self.assertEqual(repr(e),
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"<Configure event send_event=True"
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" state=Shift|Control|Button3|0x30000"
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" keysym=Key-A keycode=65 char='A'"
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" num=3 delta=-1 focus=True"
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" x=10 y=20 width=300 height=200>")
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def test_eventtype_enum(self):
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class CheckedEventType(enum.StrEnum):
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KeyPress = '2'
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Key = KeyPress
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KeyRelease = '3'
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ButtonPress = '4'
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Button = ButtonPress
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ButtonRelease = '5'
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Motion = '6'
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Enter = '7'
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Leave = '8'
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FocusIn = '9'
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FocusOut = '10'
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Keymap = '11' # undocumented
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Expose = '12'
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GraphicsExpose = '13' # undocumented
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NoExpose = '14' # undocumented
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Visibility = '15'
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Create = '16'
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Destroy = '17'
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Unmap = '18'
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Map = '19'
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MapRequest = '20'
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Reparent = '21'
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Configure = '22'
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ConfigureRequest = '23'
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Gravity = '24'
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ResizeRequest = '25'
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Circulate = '26'
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CirculateRequest = '27'
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Property = '28'
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SelectionClear = '29' # undocumented
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SelectionRequest = '30' # undocumented
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Selection = '31' # undocumented
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Colormap = '32'
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ClientMessage = '33' # undocumented
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Mapping = '34' # undocumented
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VirtualEvent = '35' # undocumented
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Activate = '36'
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Deactivate = '37'
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MouseWheel = '38'
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enum._test_simple_enum(CheckedEventType, tkinter.EventType)
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def test_getboolean(self):
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for v in 'true', 'yes', 'on', '1', 't', 'y', 1, True:
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self.assertIs(self.root.getboolean(v), True)
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for v in 'false', 'no', 'off', '0', 'f', 'n', 0, False:
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self.assertIs(self.root.getboolean(v), False)
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self.assertRaises(ValueError, self.root.getboolean, 'yea')
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self.assertRaises(ValueError, self.root.getboolean, '')
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self.assertRaises(TypeError, self.root.getboolean, None)
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self.assertRaises(TypeError, self.root.getboolean, ())
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def test_mainloop(self):
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log = []
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def callback():
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log.append(1)
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self.root.after(100, self.root.quit)
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self.root.after(100, callback)
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self.root.mainloop(1)
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self.assertEqual(log, [])
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self.root.mainloop(0)
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self.assertEqual(log, [1])
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self.assertTrue(self.root.winfo_exists())
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class DefaultRootTest(AbstractDefaultRootTest, unittest.TestCase):
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def test_default_root(self):
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self.assertIs(tkinter._support_default_root, True)
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self.assertIsNone(tkinter._default_root)
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root = tkinter.Tk()
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root2 = tkinter.Tk()
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root3 = tkinter.Tk()
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self.assertIs(tkinter._default_root, root)
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root2.destroy()
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self.assertIs(tkinter._default_root, root)
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root.destroy()
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self.assertIsNone(tkinter._default_root)
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root3.destroy()
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self.assertIsNone(tkinter._default_root)
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def test_no_default_root(self):
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self.assertIs(tkinter._support_default_root, True)
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self.assertIsNone(tkinter._default_root)
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root = tkinter.Tk()
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self.assertIs(tkinter._default_root, root)
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tkinter.NoDefaultRoot()
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self.assertIs(tkinter._support_default_root, False)
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self.assertFalse(hasattr(tkinter, '_default_root'))
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# repeated call is no-op
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tkinter.NoDefaultRoot()
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self.assertIs(tkinter._support_default_root, False)
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self.assertFalse(hasattr(tkinter, '_default_root'))
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root.destroy()
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self.assertIs(tkinter._support_default_root, False)
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self.assertFalse(hasattr(tkinter, '_default_root'))
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root = tkinter.Tk()
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self.assertIs(tkinter._support_default_root, False)
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self.assertFalse(hasattr(tkinter, '_default_root'))
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root.destroy()
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def test_getboolean(self):
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self.assertRaises(RuntimeError, tkinter.getboolean, '1')
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root = tkinter.Tk()
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self.assertIs(tkinter.getboolean('1'), True)
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self.assertRaises(ValueError, tkinter.getboolean, 'yea')
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root.destroy()
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tkinter.NoDefaultRoot()
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self.assertRaises(RuntimeError, tkinter.getboolean, '1')
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def test_mainloop(self):
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self.assertRaises(RuntimeError, tkinter.mainloop)
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root = tkinter.Tk()
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root.after_idle(root.quit)
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tkinter.mainloop()
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root.destroy()
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tkinter.NoDefaultRoot()
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self.assertRaises(RuntimeError, tkinter.mainloop)
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if __name__ == "__main__":
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unittest.main()
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