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Add Tkinter tests for different events. by serhiy-storchaka · Pull Request #118778 · python/cpython · GitHub

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Add Tkinter tests for different events. #118778

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Merged
serhiy-storchaka merged 4 commits into from
May 16, 2024
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Add Tkinter tests for different events. #118778

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9eb377e
Add Tkinter tests for different events.
serhiy-storchaka May 8, 2024
f554f34
Add few more tests.
serhiy-storchaka May 15, 2024
789a408
Try focus_force().
serhiy-storchaka May 15, 2024
0e86037
Merge branch 'main' into test-tkinter-events
serhiy-storchaka May 16, 2024
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278 changes: 278 additions & 0 deletions Lib/test/test_tkinter/test_misc.py
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Original file line number Diff line number Diff line change
Expand Up @@ -532,6 +532,284 @@ def test_wm_attribute(self):
1.0 if self.wantobjects else '1.0')


class EventTest(AbstractTkTest, unittest.TestCase):

def test_focus(self):
f = tkinter.Frame(self.root, width=150, height=100)
f.pack()
self.root.wait_visibility() # needed on Windows
self.root.update_idletasks()

events = []
f.bind('<FocusIn>', events.append)

f.focus_force()
self.root.update()
self.assertEqual(len(events), 1, events)
e = events[0]
self.assertIs(e.type, tkinter.EventType.FocusIn)
self.assertIs(e.widget, f)
self.assertIsInstance(e.serial, int)
self.assertEqual(e.time, '??')
self.assertIs(e.send_event, False)
self.assertFalse(hasattr(e, 'focus'))
self.assertEqual(e.num, '??')
self.assertEqual(e.state, '??')
self.assertEqual(e.char, '??')
self.assertEqual(e.keycode, '??')
self.assertEqual(e.keysym, '??')
self.assertEqual(e.keysym_num, '??')
self.assertEqual(e.width, '??')
self.assertEqual(e.height, '??')
self.assertEqual(e.x, '??')
self.assertEqual(e.y, '??')
self.assertEqual(e.x_root, '??')
self.assertEqual(e.y_root, '??')
self.assertEqual(e.delta, 0)
self.assertEqual(repr(e), '<FocusIn event>')

def test_configure(self):
f = tkinter.Frame(self.root, width=150, height=100)
f.pack()
self.root.wait_visibility() # needed on Windows
self.root.update_idletasks()

events = []
f.bind('<Configure>', events.append)

f.configure(height=120, borderwidth=10)
self.assertEqual(len(events), 1, events)
e = events[0]
self.assertIs(e.type, tkinter.EventType.Configure)
self.assertIs(e.widget, f)
self.assertIsInstance(e.serial, int)
self.assertEqual(e.time, '??')
self.assertIs(e.send_event, False)
self.assertFalse(hasattr(e, 'focus'))
self.assertEqual(e.num, '??')
self.assertEqual(e.state, '??')
self.assertEqual(e.char, '??')
self.assertEqual(e.keycode, '??')
self.assertEqual(e.keysym, '??')
self.assertEqual(e.keysym_num, '??')
self.assertEqual(e.width, 150)
self.assertEqual(e.height, 100)
self.assertEqual(e.x, 0)
self.assertEqual(e.y, 0)
self.assertEqual(e.x_root, '??')
self.assertEqual(e.y_root, '??')
self.assertEqual(e.delta, 0)
self.assertEqual(repr(e), '<Configure event x=0 y=0 width=150 height=100>')

def test_event_generate_key_press(self):
f = tkinter.Frame(self.root, width=150, height=100)
f.pack()
self.root.wait_visibility() # needed on Windows
self.root.update_idletasks()

events = []
f.bind('<KeyPress>', events.append)
f.focus_force()

f.event_generate('<Alt-z>')
self.assertEqual(len(events), 1, events)
e = events[0]
self.assertIs(e.type, tkinter.EventType.KeyPress)
self.assertIs(e.widget, f)
self.assertIsInstance(e.serial, int)
self.assertEqual(e.time, 0)
self.assertIs(e.send_event, False)
self.assertFalse(hasattr(e, 'focus'))
self.assertEqual(e.num, '??')
self.assertIsInstance(e.state, int)
self.assertNotEqual(e.state, 0)
self.assertEqual(e.char, 'z')
self.assertIsInstance(e.keycode, int)
self.assertNotEqual(e.keycode, 0)
self.assertEqual(e.keysym, 'z')
self.assertEqual(e.keysym_num, ord('z'))
self.assertEqual(e.width, '??')
self.assertEqual(e.height, '??')
self.assertEqual(e.x, -1 - f.winfo_rootx())
self.assertEqual(e.y, -1 - f.winfo_rooty())
self.assertEqual(e.x_root, -1)
self.assertEqual(e.y_root, -1)
self.assertEqual(e.delta, 0)
self.assertEqual(repr(e),
f"<KeyPress event state={e.state:#x} "
f"keysym=z keycode={e.keycode} char='z' x={e.x} y={e.y}>")

def test_event_generate_enter(self):
f = tkinter.Frame(self.root, width=150, height=100)
f.pack()
self.root.wait_visibility() # needed on Windows
self.root.update_idletasks()

events = []
f.bind('<Enter>', events.append)

f.event_generate('<Enter>', x=100, y=50)
self.assertEqual(len(events), 1, events)
e = events[0]
self.assertIs(e.type, tkinter.EventType.Enter)
self.assertIs(e.widget, f)
self.assertIsInstance(e.serial, int)
self.assertEqual(e.time, 0)
self.assertIs(e.send_event, False)
self.assertIs(e.focus, False)
self.assertEqual(e.num, '??')
self.assertEqual(e.state, 0)
self.assertEqual(e.char, '??')
self.assertEqual(e.keycode, '??')
self.assertEqual(e.keysym, '??')
self.assertEqual(e.keysym_num, '??')
self.assertEqual(e.width, '??')
self.assertEqual(e.height, '??')
self.assertEqual(e.x, 100)
self.assertEqual(e.y, 50)
self.assertEqual(e.x_root, 100 + f.winfo_rootx())
self.assertEqual(e.y_root, 50 + f.winfo_rooty())
self.assertEqual(e.delta, 0)
self.assertEqual(repr(e), '<Enter event focus=False x=100 y=50>')

def test_event_generate_button_press(self):
f = tkinter.Frame(self.root, width=150, height=100)
f.pack()
self.root.wait_visibility() # needed on Windows
self.root.update_idletasks()

events = []
f.bind('<ButtonPress>', events.append)
f.focus_force()

f.event_generate('<Button-1>', x=100, y=50)
self.assertEqual(len(events), 1, events)
e = events[0]
self.assertIs(e.type, tkinter.EventType.ButtonPress)
self.assertIs(e.widget, f)
self.assertIsInstance(e.serial, int)
self.assertEqual(e.time, 0)
self.assertIs(e.send_event, False)
self.assertFalse(hasattr(e, 'focus'))
self.assertEqual(e.num, 1)
self.assertEqual(e.state, 0)
self.assertEqual(e.char, '??')
self.assertEqual(e.keycode, '??')
self.assertEqual(e.keysym, '??')
self.assertEqual(e.keysym_num, '??')
self.assertEqual(e.width, '??')
self.assertEqual(e.height, '??')
self.assertEqual(e.x, 100)
self.assertEqual(e.y, 50)
self.assertEqual(e.x_root, f.winfo_rootx() + 100)
self.assertEqual(e.y_root, f.winfo_rooty() + 50)
self.assertEqual(e.delta, 0)
self.assertEqual(repr(e), '<ButtonPress event num=1 x=100 y=50>')

def test_event_generate_motion(self):
f = tkinter.Frame(self.root, width=150, height=100)
f.pack()
self.root.wait_visibility() # needed on Windows
self.root.update_idletasks()

events = []
f.bind('<Motion>', events.append)
f.focus_force()

f.event_generate('<B1-Motion>', x=100, y=50)
self.assertEqual(len(events), 1, events)
e = events[0]
self.assertIs(e.type, tkinter.EventType.Motion)
self.assertIs(e.widget, f)
self.assertIsInstance(e.serial, int)
self.assertEqual(e.time, 0)
self.assertIs(e.send_event, False)
self.assertFalse(hasattr(e, 'focus'))
self.assertEqual(e.num, '??')
self.assertEqual(e.state, 0x100)
self.assertEqual(e.char, '??')
self.assertEqual(e.keycode, '??')
self.assertEqual(e.keysym, '??')
self.assertEqual(e.keysym_num, '??')
self.assertEqual(e.width, '??')
self.assertEqual(e.height, '??')
self.assertEqual(e.x, 100)
self.assertEqual(e.y, 50)
self.assertEqual(e.x_root, f.winfo_rootx() + 100)
self.assertEqual(e.y_root, f.winfo_rooty() + 50)
self.assertEqual(e.delta, 0)
self.assertEqual(repr(e), '<Motion event state=Button1 x=100 y=50>')

def test_event_generate_mouse_wheel(self):
f = tkinter.Frame(self.root, width=150, height=100)
f.pack()
self.root.wait_visibility() # needed on Windows
self.root.update_idletasks()

events = []
f.bind('<MouseWheel>', events.append)
f.focus_force()

f.event_generate('<MouseWheel>', x=100, y=50, delta=-5)
self.assertEqual(len(events), 1, events)
e = events[0]
self.assertIs(e.type, tkinter.EventType.MouseWheel)
self.assertIs(e.widget, f)
self.assertIsInstance(e.serial, int)
self.assertIs(e.send_event, False)
self.assertFalse(hasattr(e, 'focus'))
self.assertEqual(e.time, 0)
self.assertEqual(e.num, '??')
self.assertEqual(e.state, 0)
self.assertEqual(e.char, '??')
self.assertEqual(e.keycode, '??')
self.assertEqual(e.keysym, '??')
self.assertEqual(e.keysym_num, '??')
self.assertEqual(e.width, '??')
self.assertEqual(e.height, '??')
self.assertEqual(e.x, 100)
self.assertEqual(e.y, 50)
self.assertEqual(e.x_root, f.winfo_rootx() + 100)
self.assertEqual(e.y_root, f.winfo_rooty() + 50)
self.assertEqual(e.delta, -5)
self.assertEqual(repr(e), '<MouseWheel event delta=-5 x=100 y=50>')

def test_generate_event_virtual_event(self):
f = tkinter.Frame(self.root, width=150, height=100)
f.pack()
self.root.wait_visibility() # needed on Windows
self.root.update_idletasks()

events = []
f.bind('<<Spam>>', events.append)
f.focus_force()

f.event_generate('<<Spam>>', x=50)
self.assertEqual(len(events), 1, events)
e = events[0]
self.assertIs(e.type, tkinter.EventType.VirtualEvent)
self.assertIs(e.widget, f)
self.assertIsInstance(e.serial, int)
self.assertEqual(e.time, 0)
self.assertIs(e.send_event, False)
self.assertFalse(hasattr(e, 'focus'))
self.assertEqual(e.num, '??')
self.assertEqual(e.state, 0)
self.assertEqual(e.char, '??')
self.assertEqual(e.keycode, '??')
self.assertEqual(e.keysym, '??')
self.assertEqual(e.keysym_num, '??')
self.assertEqual(e.width, '??')
self.assertEqual(e.height, '??')
self.assertEqual(e.x, 50)
self.assertEqual(e.y, 0)
self.assertEqual(e.x_root, f.winfo_rootx() + 50)
self.assertEqual(e.y_root, -1)
self.assertEqual(e.delta, 0)
self.assertEqual(repr(e),
f"<VirtualEvent event x=50 y=0>")


class BindTest(AbstractTkTest, unittest.TestCase):

def setUp(self):
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