cpython/Lib/tkinter/test/widget_tests.py
Serhiy Storchaka d00aff2f62 Issue #22236: Tkinter tests now don't reuse default root window. New root
window is created for every test class.

Fixed Tkinter images copying operations in NoDefaultRoot mode.

Tcl command names generated for "after" callbacks now contains a name of
original function.
2014-08-24 09:07:47 +03:00

522 lines
19 KiB
Python

# Common tests for test_tkinter/test_widgets.py and test_ttk/test_widgets.py
import unittest
import sys
import tkinter
from tkinter.ttk import Scale
from tkinter.test.support import (AbstractTkTest, tcl_version, requires_tcl,
get_tk_patchlevel, pixels_conv, tcl_obj_eq)
import test.support
noconv = False
if get_tk_patchlevel() < (8, 5, 11):
noconv = str
pixels_round = round
if get_tk_patchlevel()[:3] == (8, 5, 11):
# Issue #19085: Workaround a bug in Tk
# http://core.tcl.tk/tk/info/3497848
pixels_round = int
_sentinel = object()
class AbstractWidgetTest(AbstractTkTest):
_conv_pixels = staticmethod(pixels_round)
_conv_pad_pixels = None
_stringify = False
@property
def scaling(self):
try:
return self._scaling
except AttributeError:
self._scaling = float(self.root.call('tk', 'scaling'))
return self._scaling
def _str(self, value):
if not self._stringify and self.wantobjects and tcl_version >= (8, 6):
return value
if isinstance(value, tuple):
return ' '.join(map(self._str, value))
return str(value)
def assertEqual2(self, actual, expected, msg=None, eq=object.__eq__):
if eq(actual, expected):
return
self.assertEqual(actual, expected, msg)
def checkParam(self, widget, name, value, *, expected=_sentinel,
conv=False, eq=None):
widget[name] = value
if expected is _sentinel:
expected = value
if conv:
expected = conv(expected)
if self._stringify or not self.wantobjects:
if isinstance(expected, tuple):
expected = tkinter._join(expected)
else:
expected = str(expected)
if eq is None:
eq = tcl_obj_eq
self.assertEqual2(widget[name], expected, eq=eq)
self.assertEqual2(widget.cget(name), expected, eq=eq)
# XXX
if not isinstance(widget, Scale):
t = widget.configure(name)
self.assertEqual(len(t), 5)
self.assertEqual2(t[4], expected, eq=eq)
def checkInvalidParam(self, widget, name, value, errmsg=None, *,
keep_orig=True):
orig = widget[name]
if errmsg is not None:
errmsg = errmsg.format(value)
with self.assertRaises(tkinter.TclError) as cm:
widget[name] = value
if errmsg is not None:
self.assertEqual(str(cm.exception), errmsg)
if keep_orig:
self.assertEqual(widget[name], orig)
else:
widget[name] = orig
with self.assertRaises(tkinter.TclError) as cm:
widget.configure({name: value})
if errmsg is not None:
self.assertEqual(str(cm.exception), errmsg)
if keep_orig:
self.assertEqual(widget[name], orig)
else:
widget[name] = orig
def checkParams(self, widget, name, *values, **kwargs):
for value in values:
self.checkParam(widget, name, value, **kwargs)
def checkIntegerParam(self, widget, name, *values, **kwargs):
self.checkParams(widget, name, *values, **kwargs)
self.checkInvalidParam(widget, name, '',
errmsg='expected integer but got ""')
self.checkInvalidParam(widget, name, '10p',
errmsg='expected integer but got "10p"')
self.checkInvalidParam(widget, name, 3.2,
errmsg='expected integer but got "3.2"')
def checkFloatParam(self, widget, name, *values, conv=float, **kwargs):
for value in values:
self.checkParam(widget, name, value, conv=conv, **kwargs)
self.checkInvalidParam(widget, name, '',
errmsg='expected floating-point number but got ""')
self.checkInvalidParam(widget, name, 'spam',
errmsg='expected floating-point number but got "spam"')
def checkBooleanParam(self, widget, name):
for value in (False, 0, 'false', 'no', 'off'):
self.checkParam(widget, name, value, expected=0)
for value in (True, 1, 'true', 'yes', 'on'):
self.checkParam(widget, name, value, expected=1)
self.checkInvalidParam(widget, name, '',
errmsg='expected boolean value but got ""')
self.checkInvalidParam(widget, name, 'spam',
errmsg='expected boolean value but got "spam"')
def checkColorParam(self, widget, name, *, allow_empty=None, **kwargs):
self.checkParams(widget, name,
'#ff0000', '#00ff00', '#0000ff', '#123456',
'red', 'green', 'blue', 'white', 'black', 'grey',
**kwargs)
self.checkInvalidParam(widget, name, 'spam',
errmsg='unknown color name "spam"')
def checkCursorParam(self, widget, name, **kwargs):
self.checkParams(widget, name, 'arrow', 'watch', 'cross', '',**kwargs)
if tcl_version >= (8, 5):
self.checkParam(widget, name, 'none')
self.checkInvalidParam(widget, name, 'spam',
errmsg='bad cursor spec "spam"')
def checkCommandParam(self, widget, name):
def command(*args):
pass
widget[name] = command
self.assertTrue(widget[name])
self.checkParams(widget, name, '')
def checkEnumParam(self, widget, name, *values, errmsg=None, **kwargs):
self.checkParams(widget, name, *values, **kwargs)
if errmsg is None:
errmsg2 = ' %s "{}": must be %s%s or %s' % (
name,
', '.join(values[:-1]),
',' if len(values) > 2 else '',
values[-1])
self.checkInvalidParam(widget, name, '',
errmsg='ambiguous' + errmsg2)
errmsg = 'bad' + errmsg2
self.checkInvalidParam(widget, name, 'spam', errmsg=errmsg)
def checkPixelsParam(self, widget, name, *values,
conv=None, keep_orig=True, **kwargs):
if conv is None:
conv = self._conv_pixels
for value in values:
expected = _sentinel
conv1 = conv
if isinstance(value, str):
if conv1 and conv1 is not str:
expected = pixels_conv(value) * self.scaling
conv1 = round
self.checkParam(widget, name, value, expected=expected,
conv=conv1, **kwargs)
self.checkInvalidParam(widget, name, '6x',
errmsg='bad screen distance "6x"', keep_orig=keep_orig)
self.checkInvalidParam(widget, name, 'spam',
errmsg='bad screen distance "spam"', keep_orig=keep_orig)
def checkReliefParam(self, widget, name):
self.checkParams(widget, name,
'flat', 'groove', 'raised', 'ridge', 'solid', 'sunken')
errmsg='bad relief "spam": must be '\
'flat, groove, raised, ridge, solid, or sunken'
if tcl_version < (8, 6):
errmsg = None
self.checkInvalidParam(widget, name, 'spam',
errmsg=errmsg)
def checkImageParam(self, widget, name):
image = tkinter.PhotoImage(master=self.root, name='image1')
self.checkParam(widget, name, image, conv=str)
self.checkInvalidParam(widget, name, 'spam',
errmsg='image "spam" doesn\'t exist')
widget[name] = ''
def checkVariableParam(self, widget, name, var):
self.checkParam(widget, name, var, conv=str)
def assertIsBoundingBox(self, bbox):
self.assertIsNotNone(bbox)
self.assertIsInstance(bbox, tuple)
if len(bbox) != 4:
self.fail('Invalid bounding box: %r' % (bbox,))
for item in bbox:
if not isinstance(item, int):
self.fail('Invalid bounding box: %r' % (bbox,))
break
class StandardOptionsTests:
STANDARD_OPTIONS = (
'activebackground', 'activeborderwidth', 'activeforeground', 'anchor',
'background', 'bitmap', 'borderwidth', 'compound', 'cursor',
'disabledforeground', 'exportselection', 'font', 'foreground',
'highlightbackground', 'highlightcolor', 'highlightthickness',
'image', 'insertbackground', 'insertborderwidth',
'insertofftime', 'insertontime', 'insertwidth',
'jump', 'justify', 'orient', 'padx', 'pady', 'relief',
'repeatdelay', 'repeatinterval',
'selectbackground', 'selectborderwidth', 'selectforeground',
'setgrid', 'takefocus', 'text', 'textvariable', 'troughcolor',
'underline', 'wraplength', 'xscrollcommand', 'yscrollcommand',
)
def test_activebackground(self):
widget = self.create()
self.checkColorParam(widget, 'activebackground')
def test_activeborderwidth(self):
widget = self.create()
self.checkPixelsParam(widget, 'activeborderwidth',
0, 1.3, 2.9, 6, -2, '10p')
def test_activeforeground(self):
widget = self.create()
self.checkColorParam(widget, 'activeforeground')
def test_anchor(self):
widget = self.create()
self.checkEnumParam(widget, 'anchor',
'n', 'ne', 'e', 'se', 's', 'sw', 'w', 'nw', 'center')
def test_background(self):
widget = self.create()
self.checkColorParam(widget, 'background')
if 'bg' in self.OPTIONS:
self.checkColorParam(widget, 'bg')
def test_bitmap(self):
widget = self.create()
self.checkParam(widget, 'bitmap', 'questhead')
self.checkParam(widget, 'bitmap', 'gray50')
filename = test.support.findfile('python.xbm', subdir='imghdrdata')
self.checkParam(widget, 'bitmap', '@' + filename)
# Cocoa Tk widgets don't detect invalid -bitmap values
# See https://core.tcl.tk/tk/info/31cd33dbf0
if not ('aqua' in self.root.tk.call('tk', 'windowingsystem') and
'AppKit' in self.root.winfo_server()):
self.checkInvalidParam(widget, 'bitmap', 'spam',
errmsg='bitmap "spam" not defined')
def test_borderwidth(self):
widget = self.create()
self.checkPixelsParam(widget, 'borderwidth',
0, 1.3, 2.6, 6, -2, '10p')
if 'bd' in self.OPTIONS:
self.checkPixelsParam(widget, 'bd', 0, 1.3, 2.6, 6, -2, '10p')
def test_compound(self):
widget = self.create()
self.checkEnumParam(widget, 'compound',
'bottom', 'center', 'left', 'none', 'right', 'top')
def test_cursor(self):
widget = self.create()
self.checkCursorParam(widget, 'cursor')
def test_disabledforeground(self):
widget = self.create()
self.checkColorParam(widget, 'disabledforeground')
def test_exportselection(self):
widget = self.create()
self.checkBooleanParam(widget, 'exportselection')
def test_font(self):
widget = self.create()
self.checkParam(widget, 'font',
'-Adobe-Helvetica-Medium-R-Normal--*-120-*-*-*-*-*-*')
self.checkInvalidParam(widget, 'font', '',
errmsg='font "" doesn\'t exist')
def test_foreground(self):
widget = self.create()
self.checkColorParam(widget, 'foreground')
if 'fg' in self.OPTIONS:
self.checkColorParam(widget, 'fg')
def test_highlightbackground(self):
widget = self.create()
self.checkColorParam(widget, 'highlightbackground')
def test_highlightcolor(self):
widget = self.create()
self.checkColorParam(widget, 'highlightcolor')
def test_highlightthickness(self):
widget = self.create()
self.checkPixelsParam(widget, 'highlightthickness',
0, 1.3, 2.6, 6, '10p')
self.checkParam(widget, 'highlightthickness', -2, expected=0,
conv=self._conv_pixels)
@unittest.skipIf(sys.platform == 'darwin',
'crashes with Cocoa Tk (issue19733)')
def test_image(self):
widget = self.create()
self.checkImageParam(widget, 'image')
def test_insertbackground(self):
widget = self.create()
self.checkColorParam(widget, 'insertbackground')
def test_insertborderwidth(self):
widget = self.create()
self.checkPixelsParam(widget, 'insertborderwidth',
0, 1.3, 2.6, 6, -2, '10p')
def test_insertofftime(self):
widget = self.create()
self.checkIntegerParam(widget, 'insertofftime', 100)
def test_insertontime(self):
widget = self.create()
self.checkIntegerParam(widget, 'insertontime', 100)
def test_insertwidth(self):
widget = self.create()
self.checkPixelsParam(widget, 'insertwidth', 1.3, 2.6, -2, '10p')
def test_jump(self):
widget = self.create()
self.checkBooleanParam(widget, 'jump')
def test_justify(self):
widget = self.create()
self.checkEnumParam(widget, 'justify', 'left', 'right', 'center',
errmsg='bad justification "{}": must be '
'left, right, or center')
self.checkInvalidParam(widget, 'justify', '',
errmsg='ambiguous justification "": must be '
'left, right, or center')
def test_orient(self):
widget = self.create()
self.assertEqual(str(widget['orient']), self.default_orient)
self.checkEnumParam(widget, 'orient', 'horizontal', 'vertical')
def test_padx(self):
widget = self.create()
self.checkPixelsParam(widget, 'padx', 3, 4.4, 5.6, -2, '12m',
conv=self._conv_pad_pixels)
def test_pady(self):
widget = self.create()
self.checkPixelsParam(widget, 'pady', 3, 4.4, 5.6, -2, '12m',
conv=self._conv_pad_pixels)
def test_relief(self):
widget = self.create()
self.checkReliefParam(widget, 'relief')
def test_repeatdelay(self):
widget = self.create()
self.checkIntegerParam(widget, 'repeatdelay', -500, 500)
def test_repeatinterval(self):
widget = self.create()
self.checkIntegerParam(widget, 'repeatinterval', -500, 500)
def test_selectbackground(self):
widget = self.create()
self.checkColorParam(widget, 'selectbackground')
def test_selectborderwidth(self):
widget = self.create()
self.checkPixelsParam(widget, 'selectborderwidth', 1.3, 2.6, -2, '10p')
def test_selectforeground(self):
widget = self.create()
self.checkColorParam(widget, 'selectforeground')
def test_setgrid(self):
widget = self.create()
self.checkBooleanParam(widget, 'setgrid')
def test_state(self):
widget = self.create()
self.checkEnumParam(widget, 'state', 'active', 'disabled', 'normal')
def test_takefocus(self):
widget = self.create()
self.checkParams(widget, 'takefocus', '0', '1', '')
def test_text(self):
widget = self.create()
self.checkParams(widget, 'text', '', 'any string')
def test_textvariable(self):
widget = self.create()
var = tkinter.StringVar(self.root)
self.checkVariableParam(widget, 'textvariable', var)
def test_troughcolor(self):
widget = self.create()
self.checkColorParam(widget, 'troughcolor')
def test_underline(self):
widget = self.create()
self.checkIntegerParam(widget, 'underline', 0, 1, 10)
def test_wraplength(self):
widget = self.create()
self.checkPixelsParam(widget, 'wraplength', 100)
def test_xscrollcommand(self):
widget = self.create()
self.checkCommandParam(widget, 'xscrollcommand')
def test_yscrollcommand(self):
widget = self.create()
self.checkCommandParam(widget, 'yscrollcommand')
# non-standard but common options
def test_command(self):
widget = self.create()
self.checkCommandParam(widget, 'command')
def test_indicatoron(self):
widget = self.create()
self.checkBooleanParam(widget, 'indicatoron')
def test_offrelief(self):
widget = self.create()
self.checkReliefParam(widget, 'offrelief')
def test_overrelief(self):
widget = self.create()
self.checkReliefParam(widget, 'overrelief')
def test_selectcolor(self):
widget = self.create()
self.checkColorParam(widget, 'selectcolor')
def test_selectimage(self):
widget = self.create()
self.checkImageParam(widget, 'selectimage')
@requires_tcl(8, 5)
def test_tristateimage(self):
widget = self.create()
self.checkImageParam(widget, 'tristateimage')
@requires_tcl(8, 5)
def test_tristatevalue(self):
widget = self.create()
self.checkParam(widget, 'tristatevalue', 'unknowable')
def test_variable(self):
widget = self.create()
var = tkinter.DoubleVar(self.root)
self.checkVariableParam(widget, 'variable', var)
class IntegerSizeTests:
def test_height(self):
widget = self.create()
self.checkIntegerParam(widget, 'height', 100, -100, 0)
def test_width(self):
widget = self.create()
self.checkIntegerParam(widget, 'width', 402, -402, 0)
class PixelSizeTests:
def test_height(self):
widget = self.create()
self.checkPixelsParam(widget, 'height', 100, 101.2, 102.6, -100, 0, '3c')
def test_width(self):
widget = self.create()
self.checkPixelsParam(widget, 'width', 402, 403.4, 404.6, -402, 0, '5i')
def add_standard_options(*source_classes):
# This decorator adds test_xxx methods from source classes for every xxx
# option in the OPTIONS class attribute if they are not defined explicitly.
def decorator(cls):
for option in cls.OPTIONS:
methodname = 'test_' + option
if not hasattr(cls, methodname):
for source_class in source_classes:
if hasattr(source_class, methodname):
setattr(cls, methodname,
getattr(source_class, methodname))
break
else:
def test(self, option=option):
widget = self.create()
widget[option]
raise AssertionError('Option "%s" is not tested in %s' %
(option, cls.__name__))
test.__name__ = methodname
setattr(cls, methodname, test)
return cls
return decorator
def setUpModule():
if test.support.verbose:
tcl = tkinter.Tcl()
print('patchlevel =', tcl.call('info', 'patchlevel'))