cpython/Lib/tkinter/test/support.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

104 lines
3.1 KiB
Python

import sys
import tkinter
import unittest
from test.support import requires
class AbstractTkTest:
@classmethod
def setUpClass(cls):
cls._old_support_default_root = tkinter._support_default_root
destroy_default_root()
tkinter.NoDefaultRoot()
cls.root = tkinter.Tk()
cls.wantobjects = cls.root.wantobjects()
# De-maximize main window.
# Some window managers can maximize new windows.
cls.root.wm_state('normal')
try:
cls.root.wm_attributes('-zoomed', False)
except tkinter.TclError:
pass
@classmethod
def tearDownClass(cls):
cls.root.destroy()
cls.root = None
tkinter._default_root = None
tkinter._support_default_root = cls._old_support_default_root
def setUp(self):
self.root.deiconify()
def tearDown(self):
for w in self.root.winfo_children():
w.destroy()
self.root.withdraw()
def destroy_default_root():
if getattr(tkinter, '_default_root', None):
tkinter._default_root.update_idletasks()
tkinter._default_root.destroy()
tkinter._default_root = None
def simulate_mouse_click(widget, x, y):
"""Generate proper events to click at the x, y position (tries to act
like an X server)."""
widget.event_generate('<Enter>', x=0, y=0)
widget.event_generate('<Motion>', x=x, y=y)
widget.event_generate('<ButtonPress-1>', x=x, y=y)
widget.event_generate('<ButtonRelease-1>', x=x, y=y)
import _tkinter
tcl_version = tuple(map(int, _tkinter.TCL_VERSION.split('.')))
def requires_tcl(*version):
return unittest.skipUnless(tcl_version >= version,
'requires Tcl version >= ' + '.'.join(map(str, version)))
_tk_patchlevel = None
def get_tk_patchlevel():
global _tk_patchlevel
if _tk_patchlevel is None:
tcl = tkinter.Tcl()
patchlevel = []
for x in tcl.call('info', 'patchlevel').split('.'):
try:
x = int(x, 10)
except ValueError:
x = -1
patchlevel.append(x)
_tk_patchlevel = tuple(patchlevel)
return _tk_patchlevel
units = {
'c': 72 / 2.54, # centimeters
'i': 72, # inches
'm': 72 / 25.4, # millimeters
'p': 1, # points
}
def pixels_conv(value):
return float(value[:-1]) * units[value[-1:]]
def tcl_obj_eq(actual, expected):
if actual == expected:
return True
if isinstance(actual, _tkinter.Tcl_Obj):
if isinstance(expected, str):
return str(actual) == expected
if isinstance(actual, tuple):
if isinstance(expected, tuple):
return (len(actual) == len(expected) and
all(tcl_obj_eq(act, exp)
for act, exp in zip(actual, expected)))
return False
def widget_eq(actual, expected):
if actual == expected:
return True
if isinstance(actual, (str, tkinter.Widget)):
if isinstance(expected, (str, tkinter.Widget)):
return str(actual) == str(expected)
return False