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serhiy-storchakaserhiy-storchaka
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[3.12] Add Tkinter tests for different events (GH-118778) (GH-119095)
(cherry picked from commit b683994)
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‎Lib/test/test_tkinter/test_misc.py‎

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@@ -383,6 +383,284 @@ def test_info_patchlevel(self):
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self.assertTrue(str(vi).startswith(f'{vi.major}.{vi.minor}'))
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class EventTest(AbstractTkTest, unittest.TestCase):
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def test_focus(self):
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f = tkinter.Frame(self.root, width=150, height=100)
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f.pack()
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self.root.wait_visibility() # needed on Windows
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self.root.update_idletasks()
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events = []
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f.bind('<FocusIn>', events.append)
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f.focus_force()
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self.root.update()
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self.assertEqual(len(events), 1, events)
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e = events[0]
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self.assertIs(e.type, tkinter.EventType.FocusIn)
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self.assertIs(e.widget, f)
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self.assertIsInstance(e.serial, int)
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self.assertEqual(e.time, '??')
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self.assertIs(e.send_event, False)
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self.assertFalse(hasattr(e, 'focus'))
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self.assertEqual(e.num, '??')
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self.assertEqual(e.state, '??')
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self.assertEqual(e.char, '??')
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self.assertEqual(e.keycode, '??')
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self.assertEqual(e.keysym, '??')
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self.assertEqual(e.keysym_num, '??')
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self.assertEqual(e.width, '??')
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self.assertEqual(e.height, '??')
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self.assertEqual(e.x, '??')
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self.assertEqual(e.y, '??')
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self.assertEqual(e.x_root, '??')
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self.assertEqual(e.y_root, '??')
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self.assertEqual(e.delta, 0)
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self.assertEqual(repr(e), '<FocusIn event>')
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def test_configure(self):
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f = tkinter.Frame(self.root, width=150, height=100)
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f.pack()
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self.root.wait_visibility() # needed on Windows
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self.root.update_idletasks()
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events = []
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f.bind('<Configure>', events.append)
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f.configure(height=120, borderwidth=10)
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self.assertEqual(len(events), 1, events)
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e = events[0]
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self.assertIs(e.type, tkinter.EventType.Configure)
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self.assertIs(e.widget, f)
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self.assertIsInstance(e.serial, int)
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self.assertEqual(e.time, '??')
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self.assertIs(e.send_event, False)
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self.assertFalse(hasattr(e, 'focus'))
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self.assertEqual(e.num, '??')
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self.assertEqual(e.state, '??')
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self.assertEqual(e.char, '??')
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self.assertEqual(e.keycode, '??')
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self.assertEqual(e.keysym, '??')
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self.assertEqual(e.keysym_num, '??')
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self.assertEqual(e.width, 150)
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self.assertEqual(e.height, 100)
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self.assertEqual(e.x, 0)
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self.assertEqual(e.y, 0)
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self.assertEqual(e.x_root, '??')
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self.assertEqual(e.y_root, '??')
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self.assertEqual(e.delta, 0)
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self.assertEqual(repr(e), '<Configure event x=0 y=0 width=150 height=100>')
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def test_event_generate_key_press(self):
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f = tkinter.Frame(self.root, width=150, height=100)
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f.pack()
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self.root.wait_visibility() # needed on Windows
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self.root.update_idletasks()
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events = []
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f.bind('<KeyPress>', events.append)
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f.focus_force()
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f.event_generate('<Alt-z>')
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self.assertEqual(len(events), 1, events)
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e = events[0]
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self.assertIs(e.type, tkinter.EventType.KeyPress)
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self.assertIs(e.widget, f)
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self.assertIsInstance(e.serial, int)
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self.assertEqual(e.time, 0)
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self.assertIs(e.send_event, False)
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self.assertFalse(hasattr(e, 'focus'))
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self.assertEqual(e.num, '??')
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self.assertIsInstance(e.state, int)
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self.assertNotEqual(e.state, 0)
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self.assertEqual(e.char, 'z')
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self.assertIsInstance(e.keycode, int)
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self.assertNotEqual(e.keycode, 0)
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self.assertEqual(e.keysym, 'z')
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self.assertEqual(e.keysym_num, ord('z'))
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self.assertEqual(e.width, '??')
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self.assertEqual(e.height, '??')
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self.assertEqual(e.x, -1 - f.winfo_rootx())
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self.assertEqual(e.y, -1 - f.winfo_rooty())
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self.assertEqual(e.x_root, -1)
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self.assertEqual(e.y_root, -1)
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self.assertEqual(e.delta, 0)
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self.assertEqual(repr(e),
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f"<KeyPress event state={e.state:#x} "
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f"keysym=z keycode={e.keycode} char='z' x={e.x} y={e.y}>")
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def test_event_generate_enter(self):
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f = tkinter.Frame(self.root, width=150, height=100)
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f.pack()
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self.root.wait_visibility() # needed on Windows
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self.root.update_idletasks()
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events = []
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f.bind('<Enter>', events.append)
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f.event_generate('<Enter>', x=100, y=50)
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self.assertEqual(len(events), 1, events)
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e = events[0]
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self.assertIs(e.type, tkinter.EventType.Enter)
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self.assertIs(e.widget, f)
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self.assertIsInstance(e.serial, int)
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self.assertEqual(e.time, 0)
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self.assertIs(e.send_event, False)
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self.assertIs(e.focus, False)
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self.assertEqual(e.num, '??')
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self.assertEqual(e.state, 0)
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self.assertEqual(e.char, '??')
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self.assertEqual(e.keycode, '??')
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self.assertEqual(e.keysym, '??')
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self.assertEqual(e.keysym_num, '??')
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self.assertEqual(e.width, '??')
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self.assertEqual(e.height, '??')
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self.assertEqual(e.x, 100)
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self.assertEqual(e.y, 50)
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self.assertEqual(e.x_root, 100 + f.winfo_rootx())
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self.assertEqual(e.y_root, 50 + f.winfo_rooty())
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self.assertEqual(e.delta, 0)
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self.assertEqual(repr(e), '<Enter event focus=False x=100 y=50>')
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def test_event_generate_button_press(self):
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f = tkinter.Frame(self.root, width=150, height=100)
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f.pack()
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self.root.wait_visibility() # needed on Windows
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self.root.update_idletasks()
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events = []
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f.bind('<ButtonPress>', events.append)
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f.focus_force()
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f.event_generate('<Button-1>', x=100, y=50)
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self.assertEqual(len(events), 1, events)
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e = events[0]
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self.assertIs(e.type, tkinter.EventType.ButtonPress)
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self.assertIs(e.widget, f)
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self.assertIsInstance(e.serial, int)
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self.assertEqual(e.time, 0)
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self.assertIs(e.send_event, False)
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self.assertFalse(hasattr(e, 'focus'))
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self.assertEqual(e.num, 1)
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self.assertEqual(e.state, 0)
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self.assertEqual(e.char, '??')
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self.assertEqual(e.keycode, '??')
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self.assertEqual(e.keysym, '??')
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self.assertEqual(e.keysym_num, '??')
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self.assertEqual(e.width, '??')
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self.assertEqual(e.height, '??')
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self.assertEqual(e.x, 100)
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self.assertEqual(e.y, 50)
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self.assertEqual(e.x_root, f.winfo_rootx() + 100)
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self.assertEqual(e.y_root, f.winfo_rooty() + 50)
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self.assertEqual(e.delta, 0)
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self.assertEqual(repr(e), '<ButtonPress event num=1 x=100 y=50>')
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def test_event_generate_motion(self):
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f = tkinter.Frame(self.root, width=150, height=100)
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f.pack()
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self.root.wait_visibility() # needed on Windows
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self.root.update_idletasks()
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events = []
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f.bind('<Motion>', events.append)
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f.focus_force()
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f.event_generate('<B1-Motion>', x=100, y=50)
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self.assertEqual(len(events), 1, events)
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e = events[0]
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self.assertIs(e.type, tkinter.EventType.Motion)
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self.assertIs(e.widget, f)
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self.assertIsInstance(e.serial, int)
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self.assertEqual(e.time, 0)
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self.assertIs(e.send_event, False)
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self.assertFalse(hasattr(e, 'focus'))
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self.assertEqual(e.num, '??')
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self.assertEqual(e.state, 0x100)
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self.assertEqual(e.char, '??')
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self.assertEqual(e.keycode, '??')
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self.assertEqual(e.keysym, '??')
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self.assertEqual(e.keysym_num, '??')
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self.assertEqual(e.width, '??')
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self.assertEqual(e.height, '??')
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self.assertEqual(e.x, 100)
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self.assertEqual(e.y, 50)
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self.assertEqual(e.x_root, f.winfo_rootx() + 100)
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self.assertEqual(e.y_root, f.winfo_rooty() + 50)
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self.assertEqual(e.delta, 0)
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self.assertEqual(repr(e), '<Motion event state=Button1 x=100 y=50>')
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def test_event_generate_mouse_wheel(self):
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f = tkinter.Frame(self.root, width=150, height=100)
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f.pack()
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self.root.wait_visibility() # needed on Windows
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self.root.update_idletasks()
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events = []
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f.bind('<MouseWheel>', events.append)
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f.focus_force()
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f.event_generate('<MouseWheel>', x=100, y=50, delta=-5)
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self.assertEqual(len(events), 1, events)
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e = events[0]
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self.assertIs(e.type, tkinter.EventType.MouseWheel)
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self.assertIs(e.widget, f)
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self.assertIsInstance(e.serial, int)
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self.assertIs(e.send_event, False)
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self.assertFalse(hasattr(e, 'focus'))
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self.assertEqual(e.time, 0)
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self.assertEqual(e.num, '??')
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self.assertEqual(e.state, 0)
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self.assertEqual(e.char, '??')
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self.assertEqual(e.keycode, '??')
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self.assertEqual(e.keysym, '??')
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self.assertEqual(e.keysym_num, '??')
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self.assertEqual(e.width, '??')
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self.assertEqual(e.height, '??')
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self.assertEqual(e.x, 100)
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self.assertEqual(e.y, 50)
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self.assertEqual(e.x_root, f.winfo_rootx() + 100)
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self.assertEqual(e.y_root, f.winfo_rooty() + 50)
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self.assertEqual(e.delta, -5)
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self.assertEqual(repr(e), '<MouseWheel event delta=-5 x=100 y=50>')
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def test_generate_event_virtual_event(self):
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f = tkinter.Frame(self.root, width=150, height=100)
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f.pack()
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self.root.wait_visibility() # needed on Windows
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self.root.update_idletasks()
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events = []
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f.bind('<<Spam>>', events.append)
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f.focus_force()
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f.event_generate('<<Spam>>', x=50)
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self.assertEqual(len(events), 1, events)
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e = events[0]
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self.assertIs(e.type, tkinter.EventType.VirtualEvent)
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self.assertIs(e.widget, f)
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self.assertIsInstance(e.serial, int)
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self.assertEqual(e.time, 0)
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self.assertIs(e.send_event, False)
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self.assertFalse(hasattr(e, 'focus'))
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self.assertEqual(e.num, '??')
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self.assertEqual(e.state, 0)
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self.assertEqual(e.char, '??')
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self.assertEqual(e.keycode, '??')
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self.assertEqual(e.keysym, '??')
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self.assertEqual(e.keysym_num, '??')
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self.assertEqual(e.width, '??')
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self.assertEqual(e.height, '??')
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self.assertEqual(e.x, 50)
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self.assertEqual(e.y, 0)
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self.assertEqual(e.x_root, f.winfo_rootx() + 50)
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self.assertEqual(e.y_root, -1)
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self.assertEqual(e.delta, 0)
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self.assertEqual(repr(e),
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f"<VirtualEvent event x=50 y=0>")
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class BindTest(AbstractTkTest, unittest.TestCase):
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def setUp(self):

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