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test_misc.py
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791 lines (692 loc) · 27.6 KB
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import functools
import unittest
import tkinter
from tkinter import TclError
import enum
from test import support
from test.test_tkinter.support import AbstractTkTest, AbstractDefaultRootTest, requires_tk
support.requires('gui')
class MiscTest(AbstractTkTest, unittest.TestCase):
def test_all(self):
self.assertIn("Widget", tkinter.__all__)
# Check that variables from tkinter.constants are also in tkinter.__all__
self.assertIn("CASCADE", tkinter.__all__)
self.assertIsNotNone(tkinter.CASCADE)
# Check that sys, re, and constants are not in tkinter.__all__
self.assertNotIn("re", tkinter.__all__)
self.assertNotIn("sys", tkinter.__all__)
self.assertNotIn("constants", tkinter.__all__)
# Check that an underscored functions is not in tkinter.__all__
self.assertNotIn("_tkerror", tkinter.__all__)
# Check that wantobjects is not in tkinter.__all__
self.assertNotIn("wantobjects", tkinter.__all__)
def test_repr(self):
t = tkinter.Toplevel(self.root, name='top')
f = tkinter.Frame(t, name='child')
self.assertEqual(repr(f), '<tkinter.Frame object .top.child>')
def test_generated_names(self):
t = tkinter.Toplevel(self.root)
f = tkinter.Frame(t)
f2 = tkinter.Frame(t)
b = tkinter.Button(f2)
for name in str(b).split('.'):
self.assertFalse(name.isidentifier(), msg=repr(name))
@requires_tk(8, 6, 6)
def test_tk_busy(self):
root = self.root
f = tkinter.Frame(root, name='myframe')
f2 = tkinter.Frame(root)
f.pack()
f2.pack()
b = tkinter.Button(f)
b.pack()
f.tk_busy_hold()
with self.assertRaisesRegex(TclError, 'unknown option "-spam"'):
f.tk_busy_configure(spam='eggs')
with self.assertRaisesRegex(TclError, 'unknown option "-spam"'):
f.tk_busy_cget('spam')
with self.assertRaisesRegex(TclError, 'unknown option "-spam"'):
f.tk_busy_configure('spam')
self.assertIsInstance(f.tk_busy_configure(), dict)
self.assertTrue(f.tk_busy_status())
self.assertFalse(root.tk_busy_status())
self.assertFalse(f2.tk_busy_status())
self.assertFalse(b.tk_busy_status())
self.assertIn(f, f.tk_busy_current())
self.assertIn(f, f.tk_busy_current('*.m?f*me'))
self.assertNotIn(f, f.tk_busy_current('*spam'))
f.tk_busy_forget()
self.assertFalse(f.tk_busy_status())
self.assertFalse(f.tk_busy_current())
with self.assertRaisesRegex(TclError, "can't find busy window"):
f.tk_busy_configure()
with self.assertRaisesRegex(TclError, "can't find busy window"):
f.tk_busy_forget()
@requires_tk(8, 6, 6)
def test_tk_busy_with_cursor(self):
root = self.root
if root._windowingsystem == 'aqua':
self.skipTest('the cursor option is not supported on OSX/Aqua')
f = tkinter.Frame(root, name='myframe')
f.pack()
f.tk_busy_hold(cursor='gumby')
self.assertEqual(f.tk_busy_cget('cursor'), 'gumby')
f.tk_busy_configure(cursor='heart')
self.assertEqual(f.tk_busy_cget('cursor'), 'heart')
self.assertEqual(f.tk_busy_configure()['cursor'][4], 'heart')
self.assertEqual(f.tk_busy_configure('cursor')[4], 'heart')
f.tk_busy_forget()
with self.assertRaisesRegex(TclError, "can't find busy window"):
f.tk_busy_cget('cursor')
def test_tk_setPalette(self):
root = self.root
root.tk_setPalette('black')
self.assertEqual(root['background'], 'black')
root.tk_setPalette('white')
self.assertEqual(root['background'], 'white')
self.assertRaisesRegex(tkinter.TclError,
'^unknown color name "spam"$',
root.tk_setPalette, 'spam')
root.tk_setPalette(background='black')
self.assertEqual(root['background'], 'black')
root.tk_setPalette(background='blue', highlightColor='yellow')
self.assertEqual(root['background'], 'blue')
self.assertEqual(root['highlightcolor'], 'yellow')
root.tk_setPalette(background='yellow', highlightColor='blue')
self.assertEqual(root['background'], 'yellow')
self.assertEqual(root['highlightcolor'], 'blue')
self.assertRaisesRegex(tkinter.TclError,
'^unknown color name "spam"$',
root.tk_setPalette, background='spam')
self.assertRaisesRegex(tkinter.TclError,
'^must specify a background color$',
root.tk_setPalette, spam='white')
self.assertRaisesRegex(tkinter.TclError,
'^must specify a background color$',
root.tk_setPalette, highlightColor='blue')
def test_after(self):
root = self.root
def callback(start=0, step=1):
nonlocal count
count = start + step
# Without function, sleeps for ms.
self.assertIsNone(root.after(1))
# Set up with callback with no args.
count = 0
timer1 = root.after(0, callback)
self.assertIn(timer1, root.tk.call('after', 'info'))
(script, _) = root.tk.splitlist(root.tk.call('after', 'info', timer1))
root.update() # Process all pending events.
self.assertEqual(count, 1)
with self.assertRaises(tkinter.TclError):
root.tk.call(script)
# Set up with callback with args.
count = 0
timer1 = root.after(0, callback, 42, 11)
root.update() # Process all pending events.
self.assertEqual(count, 53)
# Cancel before called.
timer1 = root.after(1000, callback)
self.assertIn(timer1, root.tk.call('after', 'info'))
(script, _) = root.tk.splitlist(root.tk.call('after', 'info', timer1))
root.after_cancel(timer1) # Cancel this event.
self.assertEqual(count, 53)
with self.assertRaises(tkinter.TclError):
root.tk.call(script)
# Call with a callable class
count = 0
timer1 = root.after(0, functools.partial(callback, 42, 11))
root.update() # Process all pending events.
self.assertEqual(count, 53)
def test_after_idle(self):
root = self.root
def callback(start=0, step=1):
nonlocal count
count = start + step
# Set up with callback with no args.
count = 0
idle1 = root.after_idle(callback)
self.assertIn(idle1, root.tk.call('after', 'info'))
(script, _) = root.tk.splitlist(root.tk.call('after', 'info', idle1))
root.update_idletasks() # Process all pending events.
self.assertEqual(count, 1)
with self.assertRaises(tkinter.TclError):
root.tk.call(script)
# Set up with callback with args.
count = 0
idle1 = root.after_idle(callback, 42, 11)
root.update_idletasks() # Process all pending events.
self.assertEqual(count, 53)
# Cancel before called.
idle1 = root.after_idle(callback)
self.assertIn(idle1, root.tk.call('after', 'info'))
(script, _) = root.tk.splitlist(root.tk.call('after', 'info', idle1))
root.after_cancel(idle1) # Cancel this event.
self.assertEqual(count, 53)
with self.assertRaises(tkinter.TclError):
root.tk.call(script)
def test_after_cancel(self):
root = self.root
def callback():
nonlocal count
count += 1
timer1 = root.after(5000, callback)
idle1 = root.after_idle(callback)
# No value for id raises a ValueError.
with self.assertRaises(ValueError):
root.after_cancel(None)
# Cancel timer event.
count = 0
(script, _) = root.tk.splitlist(root.tk.call('after', 'info', timer1))
root.tk.call(script)
self.assertEqual(count, 1)
root.after_cancel(timer1)
with self.assertRaises(tkinter.TclError):
root.tk.call(script)
self.assertEqual(count, 1)
with self.assertRaises(tkinter.TclError):
root.tk.call('after', 'info', timer1)
# Cancel same event - nothing happens.
root.after_cancel(timer1)
# Cancel idle event.
count = 0
(script, _) = root.tk.splitlist(root.tk.call('after', 'info', idle1))
root.tk.call(script)
self.assertEqual(count, 1)
root.after_cancel(idle1)
with self.assertRaises(tkinter.TclError):
root.tk.call(script)
self.assertEqual(count, 1)
with self.assertRaises(tkinter.TclError):
root.tk.call('after', 'info', idle1)
def test_clipboard(self):
root = self.root
root.clipboard_clear()
root.clipboard_append('Ùñî')
self.assertEqual(root.clipboard_get(), 'Ùñî')
root.clipboard_append('çōđě')
self.assertEqual(root.clipboard_get(), 'Ùñîçōđě')
root.clipboard_clear()
with self.assertRaises(tkinter.TclError):
root.clipboard_get()
def test_clipboard_astral(self):
root = self.root
root.clipboard_clear()
root.clipboard_append('𝔘𝔫𝔦')
self.assertEqual(root.clipboard_get(), '𝔘𝔫𝔦')
root.clipboard_append('𝔠𝔬𝔡𝔢')
self.assertEqual(root.clipboard_get(), '𝔘𝔫𝔦𝔠𝔬𝔡𝔢')
root.clipboard_clear()
with self.assertRaises(tkinter.TclError):
root.clipboard_get()
def test_winfo_rgb(self):
def assertApprox(col1, col2):
# A small amount of flexibility is required (bpo-45496)
# 33 is ~0.05% of 65535, which is a reasonable margin
for col1_channel, col2_channel in zip(col1, col2):
self.assertAlmostEqual(col1_channel, col2_channel, delta=33)
root = self.root
rgb = root.winfo_rgb
# Color name.
self.assertEqual(rgb('red'), (65535, 0, 0))
self.assertEqual(rgb('dark slate blue'), (18504, 15677, 35723))
# #RGB - extends each 4-bit hex value to be 16-bit.
self.assertEqual(rgb('#F0F'), (0xFFFF, 0x0000, 0xFFFF))
# #RRGGBB - extends each 8-bit hex value to be 16-bit.
assertApprox(rgb('#4a3c8c'), (0x4a4a, 0x3c3c, 0x8c8c))
# #RRRRGGGGBBBB
assertApprox(rgb('#dede14143939'), (0xdede, 0x1414, 0x3939))
# Invalid string.
with self.assertRaises(tkinter.TclError):
rgb('#123456789a')
# RGB triplet is invalid input.
with self.assertRaises(tkinter.TclError):
rgb((111, 78, 55))
def test_event_repr_defaults(self):
e = tkinter.Event()
e.serial = 12345
e.num = '??'
e.height = '??'
e.keycode = '??'
e.state = 0
e.time = 123456789
e.width = '??'
e.x = '??'
e.y = '??'
e.char = ''
e.keysym = '??'
e.keysym_num = '??'
e.type = '100'
e.widget = '??'
e.x_root = '??'
e.y_root = '??'
e.delta = 0
self.assertEqual(repr(e), '<100 event>')
def test_event_repr(self):
e = tkinter.Event()
e.serial = 12345
e.num = 3
e.focus = True
e.height = 200
e.keycode = 65
e.state = 0x30405
e.time = 123456789
e.width = 300
e.x = 10
e.y = 20
e.char = 'A'
e.send_event = True
e.keysym = 'Key-A'
e.keysym_num = ord('A')
e.type = tkinter.EventType.Configure
e.widget = '.text'
e.x_root = 1010
e.y_root = 1020
e.delta = -1
self.assertEqual(repr(e),
"<Configure event send_event=True"
" state=Shift|Control|Button3|0x30000"
" keysym=Key-A keycode=65 char='A'"
" num=3 delta=-1 focus=True"
" x=10 y=20 width=300 height=200>")
def test_eventtype_enum(self):
class CheckedEventType(enum.StrEnum):
KeyPress = '2'
Key = KeyPress
KeyRelease = '3'
ButtonPress = '4'
Button = ButtonPress
ButtonRelease = '5'
Motion = '6'
Enter = '7'
Leave = '8'
FocusIn = '9'
FocusOut = '10'
Keymap = '11' # undocumented
Expose = '12'
GraphicsExpose = '13' # undocumented
NoExpose = '14' # undocumented
Visibility = '15'
Create = '16'
Destroy = '17'
Unmap = '18'
Map = '19'
MapRequest = '20'
Reparent = '21'
Configure = '22'
ConfigureRequest = '23'
Gravity = '24'
ResizeRequest = '25'
Circulate = '26'
CirculateRequest = '27'
Property = '28'
SelectionClear = '29' # undocumented
SelectionRequest = '30' # undocumented
Selection = '31' # undocumented
Colormap = '32'
ClientMessage = '33' # undocumented
Mapping = '34' # undocumented
VirtualEvent = '35' # undocumented
Activate = '36'
Deactivate = '37'
MouseWheel = '38'
enum._test_simple_enum(CheckedEventType, tkinter.EventType)
def test_getboolean(self):
for v in 'true', 'yes', 'on', '1', 't', 'y', 1, True:
self.assertIs(self.root.getboolean(v), True)
for v in 'false', 'no', 'off', '0', 'f', 'n', 0, False:
self.assertIs(self.root.getboolean(v), False)
self.assertRaises(ValueError, self.root.getboolean, 'yea')
self.assertRaises(ValueError, self.root.getboolean, '')
self.assertRaises(TypeError, self.root.getboolean, None)
self.assertRaises(TypeError, self.root.getboolean, ())
def test_mainloop(self):
log = []
def callback():
log.append(1)
self.root.after(100, self.root.quit)
self.root.after(100, callback)
self.root.mainloop(1)
self.assertEqual(log, [])
self.root.mainloop(0)
self.assertEqual(log, [1])
self.assertTrue(self.root.winfo_exists())
def test_info_patchlevel(self):
vi = self.root.info_patchlevel()
f = tkinter.Frame(self.root)
self.assertEqual(f.info_patchlevel(), vi)
# The following is almost a copy of tests for sys.version_info.
self.assertIsInstance(vi[:], tuple)
self.assertEqual(len(vi), 5)
self.assertIsInstance(vi[0], int)
self.assertIsInstance(vi[1], int)
self.assertIsInstance(vi[2], int)
self.assertIn(vi[3], ("alpha", "beta", "candidate", "final"))
self.assertIsInstance(vi[4], int)
self.assertIsInstance(vi.major, int)
self.assertIsInstance(vi.minor, int)
self.assertIsInstance(vi.micro, int)
self.assertIn(vi.releaselevel, ("alpha", "beta", "final"))
self.assertIsInstance(vi.serial, int)
self.assertEqual(vi[0], vi.major)
self.assertEqual(vi[1], vi.minor)
self.assertEqual(vi[2], vi.micro)
self.assertEqual(vi[3], vi.releaselevel)
self.assertEqual(vi[4], vi.serial)
self.assertTrue(vi > (1,0,0))
if vi.releaselevel == 'final':
self.assertEqual(vi.serial, 0)
else:
self.assertEqual(vi.micro, 0)
self.assertTrue(str(vi).startswith(f'{vi.major}.{vi.minor}'))
class BindTest(AbstractTkTest, unittest.TestCase):
def setUp(self):
super().setUp()
root = self.root
self.frame = tkinter.Frame(self.root, class_='Test',
width=150, height=100)
self.frame.pack()
def assertCommandExist(self, funcid):
self.assertEqual(_info_commands(self.root, funcid), (funcid,))
def assertCommandNotExist(self, funcid):
self.assertEqual(_info_commands(self.root, funcid), ())
def test_bind(self):
event = '<Control-Alt-Key-a>'
f = self.frame
self.assertEqual(f.bind(), ())
self.assertEqual(f.bind(event), '')
def test1(e): pass
def test2(e): pass
funcid = f.bind(event, test1)
self.assertEqual(f.bind(), (event,))
script = f.bind(event)
self.assertIn(funcid, script)
self.assertCommandExist(funcid)
funcid2 = f.bind(event, test2, add=True)
script = f.bind(event)
self.assertIn(funcid, script)
self.assertIn(funcid2, script)
self.assertCommandExist(funcid)
self.assertCommandExist(funcid2)
def test_unbind(self):
event = '<Control-Alt-Key-b>'
f = self.frame
self.assertEqual(f.bind(), ())
self.assertEqual(f.bind(event), '')
def test1(e): pass
def test2(e): pass
funcid = f.bind(event, test1)
funcid2 = f.bind(event, test2, add=True)
self.assertRaises(TypeError, f.unbind)
f.unbind(event)
self.assertEqual(f.bind(event), '')
self.assertEqual(f.bind(), ())
def test_unbind2(self):
f = self.frame
event = '<Control-Alt-Key-c>'
self.assertEqual(f.bind(), ())
self.assertEqual(f.bind(event), '')
def test1(e): pass
def test2(e): pass
funcid = f.bind(event, test1)
funcid2 = f.bind(event, test2, add=True)
f.unbind(event, funcid)
script = f.bind(event)
self.assertNotIn(funcid, script)
self.assertCommandNotExist(funcid)
self.assertCommandExist(funcid2)
f.unbind(event, funcid2)
self.assertEqual(f.bind(event), '')
self.assertEqual(f.bind(), ())
self.assertCommandNotExist(funcid)
self.assertCommandNotExist(funcid2)
# non-idempotent
self.assertRaises(tkinter.TclError, f.unbind, event, funcid2)
def test_bind_rebind(self):
event = '<Control-Alt-Key-d>'
f = self.frame
self.assertEqual(f.bind(), ())
self.assertEqual(f.bind(event), '')
def test1(e): pass
def test2(e): pass
def test3(e): pass
funcid = f.bind(event, test1)
funcid2 = f.bind(event, test2, add=True)
script = f.bind(event)
self.assertIn(funcid2, script)
self.assertIn(funcid, script)
self.assertCommandExist(funcid)
self.assertCommandExist(funcid2)
funcid3 = f.bind(event, test3)
script = f.bind(event)
self.assertNotIn(funcid, script)
self.assertNotIn(funcid2, script)
self.assertIn(funcid3, script)
self.assertCommandExist(funcid3)
def test_bind_class(self):
event = '<Control-Alt-Key-e>'
bind_class = self.root.bind_class
unbind_class = self.root.unbind_class
self.assertRaises(TypeError, bind_class)
self.assertEqual(bind_class('Test'), ())
self.assertEqual(bind_class('Test', event), '')
self.addCleanup(unbind_class, 'Test', event)
def test1(e): pass
def test2(e): pass
funcid = bind_class('Test', event, test1)
self.assertEqual(bind_class('Test'), (event,))
script = bind_class('Test', event)
self.assertIn(funcid, script)
self.assertCommandExist(funcid)
funcid2 = bind_class('Test', event, test2, add=True)
script = bind_class('Test', event)
self.assertIn(funcid, script)
self.assertIn(funcid2, script)
self.assertCommandExist(funcid)
self.assertCommandExist(funcid2)
def test_unbind_class(self):
event = '<Control-Alt-Key-f>'
bind_class = self.root.bind_class
unbind_class = self.root.unbind_class
self.assertEqual(bind_class('Test'), ())
self.assertEqual(bind_class('Test', event), '')
self.addCleanup(unbind_class, 'Test', event)
def test1(e): pass
def test2(e): pass
funcid = bind_class('Test', event, test1)
funcid2 = bind_class('Test', event, test2, add=True)
self.assertRaises(TypeError, unbind_class)
self.assertRaises(TypeError, unbind_class, 'Test')
unbind_class('Test', event)
self.assertEqual(bind_class('Test', event), '')
self.assertEqual(bind_class('Test'), ())
self.assertCommandExist(funcid)
self.assertCommandExist(funcid2)
unbind_class('Test', event) # idempotent
def test_bind_class_rebind(self):
event = '<Control-Alt-Key-g>'
bind_class = self.root.bind_class
unbind_class = self.root.unbind_class
self.assertEqual(bind_class('Test'), ())
self.assertEqual(bind_class('Test', event), '')
self.addCleanup(unbind_class, 'Test', event)
def test1(e): pass
def test2(e): pass
def test3(e): pass
funcid = bind_class('Test', event, test1)
funcid2 = bind_class('Test', event, test2, add=True)
script = bind_class('Test', event)
self.assertIn(funcid2, script)
self.assertIn(funcid, script)
self.assertCommandExist(funcid)
self.assertCommandExist(funcid2)
funcid3 = bind_class('Test', event, test3)
script = bind_class('Test', event)
self.assertNotIn(funcid, script)
self.assertNotIn(funcid2, script)
self.assertIn(funcid3, script)
self.assertCommandExist(funcid)
self.assertCommandExist(funcid2)
self.assertCommandExist(funcid3)
def test_bind_all(self):
event = '<Control-Alt-Key-h>'
bind_all = self.root.bind_all
unbind_all = self.root.unbind_all
self.assertNotIn(event, bind_all())
self.assertEqual(bind_all(event), '')
self.addCleanup(unbind_all, event)
def test1(e): pass
def test2(e): pass
funcid = bind_all(event, test1)
self.assertIn(event, bind_all())
script = bind_all(event)
self.assertIn(funcid, script)
self.assertCommandExist(funcid)
funcid2 = bind_all(event, test2, add=True)
script = bind_all(event)
self.assertIn(funcid, script)
self.assertIn(funcid2, script)
self.assertCommandExist(funcid)
self.assertCommandExist(funcid2)
def test_unbind_all(self):
event = '<Control-Alt-Key-i>'
bind_all = self.root.bind_all
unbind_all = self.root.unbind_all
self.assertNotIn(event, bind_all())
self.assertEqual(bind_all(event), '')
self.addCleanup(unbind_all, event)
def test1(e): pass
def test2(e): pass
funcid = bind_all(event, test1)
funcid2 = bind_all(event, test2, add=True)
unbind_all(event)
self.assertEqual(bind_all(event), '')
self.assertNotIn(event, bind_all())
self.assertCommandExist(funcid)
self.assertCommandExist(funcid2)
unbind_all(event) # idempotent
def test_bind_all_rebind(self):
event = '<Control-Alt-Key-j>'
bind_all = self.root.bind_all
unbind_all = self.root.unbind_all
self.assertNotIn(event, bind_all())
self.assertEqual(bind_all(event), '')
self.addCleanup(unbind_all, event)
def test1(e): pass
def test2(e): pass
def test3(e): pass
funcid = bind_all(event, test1)
funcid2 = bind_all(event, test2, add=True)
script = bind_all(event)
self.assertIn(funcid2, script)
self.assertIn(funcid, script)
self.assertCommandExist(funcid)
self.assertCommandExist(funcid2)
funcid3 = bind_all(event, test3)
script = bind_all(event)
self.assertNotIn(funcid, script)
self.assertNotIn(funcid2, script)
self.assertIn(funcid3, script)
self.assertCommandExist(funcid)
self.assertCommandExist(funcid2)
self.assertCommandExist(funcid3)
def test_bindtags(self):
f = self.frame
self.assertEqual(self.root.bindtags(), ('.', 'Tk', 'all'))
self.assertEqual(f.bindtags(), (str(f), 'Test', '.', 'all'))
f.bindtags(('a', 'b c'))
self.assertEqual(f.bindtags(), ('a', 'b c'))
def test_bind_events(self):
event = '<Enter>'
root = self.root
t = tkinter.Toplevel(root)
f = tkinter.Frame(t, class_='Test', width=150, height=100)
f.pack()
root.wait_visibility() # needed on Windows
root.update_idletasks()
self.addCleanup(root.unbind_class, 'Test', event)
self.addCleanup(root.unbind_class, 'Toplevel', event)
self.addCleanup(root.unbind_class, 'tag', event)
self.addCleanup(root.unbind_class, 'tag2', event)
self.addCleanup(root.unbind_all, event)
def test(what):
return lambda e: events.append((what, e.widget))
root.bind_all(event, test('all'))
root.bind_class('Test', event, test('frame class'))
root.bind_class('Toplevel', event, test('toplevel class'))
root.bind_class('tag', event, test('tag'))
root.bind_class('tag2', event, test('tag2'))
f.bind(event, test('frame'))
t.bind(event, test('toplevel'))
events = []
f.event_generate(event)
self.assertEqual(events, [
('frame', f),
('frame class', f),
('toplevel', f),
('all', f),
])
events = []
t.event_generate(event)
self.assertEqual(events, [
('toplevel', t),
('toplevel class', t),
('all', t),
])
f.bindtags(('tag', 'tag3'))
events = []
f.event_generate(event)
self.assertEqual(events, [('tag', f)])
class DefaultRootTest(AbstractDefaultRootTest, unittest.TestCase):
def test_default_root(self):
self.assertIs(tkinter._support_default_root, True)
self.assertIsNone(tkinter._default_root)
root = tkinter.Tk()
root2 = tkinter.Tk()
root3 = tkinter.Tk()
self.assertIs(tkinter._default_root, root)
root2.destroy()
self.assertIs(tkinter._default_root, root)
root.destroy()
self.assertIsNone(tkinter._default_root)
root3.destroy()
self.assertIsNone(tkinter._default_root)
def test_no_default_root(self):
self.assertIs(tkinter._support_default_root, True)
self.assertIsNone(tkinter._default_root)
root = tkinter.Tk()
self.assertIs(tkinter._default_root, root)
tkinter.NoDefaultRoot()
self.assertIs(tkinter._support_default_root, False)
self.assertFalse(hasattr(tkinter, '_default_root'))
# repeated call is no-op
tkinter.NoDefaultRoot()
self.assertIs(tkinter._support_default_root, False)
self.assertFalse(hasattr(tkinter, '_default_root'))
root.destroy()
self.assertIs(tkinter._support_default_root, False)
self.assertFalse(hasattr(tkinter, '_default_root'))
root = tkinter.Tk()
self.assertIs(tkinter._support_default_root, False)
self.assertFalse(hasattr(tkinter, '_default_root'))
root.destroy()
def test_getboolean(self):
self.assertRaises(RuntimeError, tkinter.getboolean, '1')
root = tkinter.Tk()
self.assertIs(tkinter.getboolean('1'), True)
self.assertRaises(ValueError, tkinter.getboolean, 'yea')
root.destroy()
tkinter.NoDefaultRoot()
self.assertRaises(RuntimeError, tkinter.getboolean, '1')
def test_mainloop(self):
self.assertRaises(RuntimeError, tkinter.mainloop)
root = tkinter.Tk()
root.after_idle(root.quit)
tkinter.mainloop()
root.destroy()
tkinter.NoDefaultRoot()
self.assertRaises(RuntimeError, tkinter.mainloop)
def _info_commands(widget, pattern=None):
return widget.tk.splitlist(widget.tk.call('info', 'commands', pattern))
if __name__ == "__main__":
unittest.main()