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-rw-r--r--Lib/tkinter/test/support.py51
-rw-r--r--Lib/tkinter/test/test_tkinter/test_font.py18
-rw-r--r--Lib/tkinter/test/test_tkinter/test_geometry_managers.py10
-rw-r--r--Lib/tkinter/test/test_tkinter/test_images.py21
-rw-r--r--Lib/tkinter/test/test_tkinter/test_misc.py7
-rw-r--r--Lib/tkinter/test/test_tkinter/test_text.py9
-rw-r--r--Lib/tkinter/test/test_tkinter/test_variables.py8
-rw-r--r--Lib/tkinter/test/test_tkinter/test_widgets.py48
-rw-r--r--Lib/tkinter/test/test_ttk/test_extensions.py105
-rw-r--r--Lib/tkinter/test/test_ttk/test_style.py10
-rw-r--r--Lib/tkinter/test/test_ttk/test_widgets.py138
-rw-r--r--Lib/tkinter/test/widget_tests.py41
12 files changed, 208 insertions, 258 deletions
diff --git a/Lib/tkinter/test/support.py b/Lib/tkinter/test/support.py
index 7ae0cbb..017681f 100644
--- a/Lib/tkinter/test/support.py
+++ b/Lib/tkinter/test/support.py
@@ -3,30 +3,43 @@ import tkinter
import unittest
from test.support import requires
-def get_tk_root():
- requires('gui') # raise exception if tk unavailable
- try:
- root = tkinter._default_root
- except AttributeError:
- # it is possible to disable default root in Tkinter, although
- # I haven't seen people doing it (but apparently someone did it
- # here).
- root = None
+class AbstractTkTest:
- if root is None:
- # create a new master only if there isn't one already
- root = tkinter.Tk()
+ @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
- return root
+ @classmethod
+ def tearDownClass(cls):
+ cls.root.destroy()
+ cls.root = None
+ tkinter._default_root = None
+ tkinter._support_default_root = cls._old_support_default_root
-def root_deiconify():
- root = get_tk_root()
- root.deiconify()
+ def setUp(self):
+ self.root.deiconify()
-def root_withdraw():
- root = get_tk_root()
- root.withdraw()
+ 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
diff --git a/Lib/tkinter/test/test_tkinter/test_font.py b/Lib/tkinter/test/test_tkinter/test_font.py
index dfd630b..09c963e 100644
--- a/Lib/tkinter/test/test_tkinter/test_font.py
+++ b/Lib/tkinter/test/test_tkinter/test_font.py
@@ -2,26 +2,20 @@ import unittest
import tkinter
from tkinter import font
from test.support import requires, run_unittest
-import tkinter.test.support as support
+from tkinter.test.support import AbstractTkTest
requires('gui')
-class FontTest(unittest.TestCase):
-
- def setUp(self):
- support.root_deiconify()
-
- def tearDown(self):
- support.root_withdraw()
+class FontTest(AbstractTkTest, unittest.TestCase):
def test_font_eq(self):
fontname = "TkDefaultFont"
try:
- f = font.Font(name=fontname, exists=True)
+ f = font.Font(root=self.root, name=fontname, exists=True)
except tkinter._tkinter.TclError:
- f = font.Font(name=fontname, exists=False)
- font1 = font.nametofont(fontname)
- font2 = font.nametofont(fontname)
+ f = font.Font(root=self.root, name=fontname, exists=False)
+ font1 = font.Font(root=self.root, name=fontname, exists=True)
+ font2 = font.Font(root=self.root, name=fontname, exists=True)
self.assertIsNot(font1, font2)
self.assertEqual(font1, font2)
self.assertNotEqual(font1, font1.copy())
diff --git a/Lib/tkinter/test/test_tkinter/test_geometry_managers.py b/Lib/tkinter/test/test_tkinter/test_geometry_managers.py
index fe37409..e42b1be 100644
--- a/Lib/tkinter/test/test_tkinter/test_geometry_managers.py
+++ b/Lib/tkinter/test/test_tkinter/test_geometry_managers.py
@@ -278,7 +278,7 @@ class PlaceTest(AbstractWidgetTest, unittest.TestCase):
def create2(self):
t = tkinter.Toplevel(self.root, width=300, height=200, bd=0)
- t.wm_geometry('+0+0')
+ t.wm_geometry('300x200+0+0')
f = tkinter.Frame(t, width=154, height=84, bd=2, relief='raised')
f.place_configure(x=48, y=38)
f2 = tkinter.Frame(t, width=30, height=60, bd=2, relief='raised')
@@ -479,7 +479,6 @@ class PlaceTest(AbstractWidgetTest, unittest.TestCase):
class GridTest(AbstractWidgetTest, unittest.TestCase):
def tearDown(self):
- super().tearDown()
cols, rows = self.root.grid_size()
for i in range(cols + 1):
self.root.grid_columnconfigure(i, weight=0, minsize=0, pad=0, uniform='')
@@ -488,10 +487,10 @@ class GridTest(AbstractWidgetTest, unittest.TestCase):
self.root.grid_propagate(1)
if tcl_version >= (8, 5):
self.root.grid_anchor('nw')
+ super().tearDown()
def test_grid_configure(self):
b = tkinter.Button(self.root)
- self.addCleanup(b.destroy)
self.assertEqual(b.grid_info(), {})
b.grid_configure()
self.assertEqual(b.grid_info()['in'], self.root)
@@ -578,7 +577,6 @@ class GridTest(AbstractWidgetTest, unittest.TestCase):
def test_grid_configure_row(self):
b = tkinter.Button(self.root)
- self.addCleanup(b.destroy)
with self.assertRaisesRegex(TclError, 'bad (row|grid) value "-1": '
'must be a non-negative integer'):
b.grid_configure(row=-1)
@@ -795,7 +793,7 @@ class GridTest(AbstractWidgetTest, unittest.TestCase):
self.root.grid_bbox(0, 0, 0, 'x')
with self.assertRaises(TypeError):
self.root.grid_bbox(0, 0, 0, 0, 0)
- t = tkinter.Toplevel(self.root)
+ t = self.root
# de-maximize
t.wm_geometry('1x1+0+0')
t.wm_geometry('')
@@ -823,7 +821,7 @@ class GridTest(AbstractWidgetTest, unittest.TestCase):
self.root.grid_location('x', 'y')
with self.assertRaisesRegex(TclError, 'bad screen distance "y"'):
self.root.grid_location('1c', 'y')
- t = tkinter.Toplevel(self.root)
+ t = self.root
# de-maximize
t.wm_geometry('1x1+0+0')
t.wm_geometry('')
diff --git a/Lib/tkinter/test/test_tkinter/test_images.py b/Lib/tkinter/test/test_tkinter/test_images.py
index ff05bbe..85a8cd0 100644
--- a/Lib/tkinter/test/test_tkinter/test_images.py
+++ b/Lib/tkinter/test/test_tkinter/test_images.py
@@ -1,16 +1,12 @@
import unittest
import tkinter
-from tkinter import ttk
from test import support
-from tkinter.test.support import requires_tcl
+from tkinter.test.support import AbstractTkTest, requires_tcl
support.requires('gui')
-class MiscTest(unittest.TestCase):
-
- def setUp(self):
- self.root = ttk.setup_master()
+class MiscTest(AbstractTkTest, unittest.TestCase):
def test_image_types(self):
image_types = self.root.image_types()
@@ -23,15 +19,13 @@ class MiscTest(unittest.TestCase):
self.assertIsInstance(image_names, tuple)
-class BitmapImageTest(unittest.TestCase):
+class BitmapImageTest(AbstractTkTest, unittest.TestCase):
@classmethod
def setUpClass(cls):
+ AbstractTkTest.setUpClass.__func__(cls)
cls.testfile = support.findfile('python.xbm', subdir='imghdrdata')
- def setUp(self):
- self.root = ttk.setup_master()
-
def test_create_from_file(self):
image = tkinter.BitmapImage('::img::test', master=self.root,
foreground='yellow', background='blue',
@@ -107,16 +101,13 @@ class BitmapImageTest(unittest.TestCase):
'-foreground {} {} #000000 yellow')
-class PhotoImageTest(unittest.TestCase):
+class PhotoImageTest(AbstractTkTest, unittest.TestCase):
@classmethod
def setUpClass(cls):
+ AbstractTkTest.setUpClass.__func__(cls)
cls.testfile = support.findfile('python.gif', subdir='imghdrdata')
- def setUp(self):
- self.root = ttk.setup_master()
- self.wantobjects = self.root.wantobjects()
-
def create(self):
return tkinter.PhotoImage('::img::test', master=self.root,
file=self.testfile)
diff --git a/Lib/tkinter/test/test_tkinter/test_misc.py b/Lib/tkinter/test/test_tkinter/test_misc.py
index d325b31..d8de949 100644
--- a/Lib/tkinter/test/test_tkinter/test_misc.py
+++ b/Lib/tkinter/test/test_tkinter/test_misc.py
@@ -1,14 +1,11 @@
import unittest
import tkinter
-from tkinter import ttk
from test import support
+from tkinter.test.support import AbstractTkTest
support.requires('gui')
-class MiscTest(unittest.TestCase):
-
- def setUp(self):
- self.root = ttk.setup_master()
+class MiscTest(AbstractTkTest, unittest.TestCase):
def test_tk_setPalette(self):
root = self.root
diff --git a/Lib/tkinter/test/test_tkinter/test_text.py b/Lib/tkinter/test/test_tkinter/test_text.py
index 4c3fa04..13b7c56 100644
--- a/Lib/tkinter/test/test_tkinter/test_text.py
+++ b/Lib/tkinter/test/test_tkinter/test_text.py
@@ -1,19 +1,16 @@
import unittest
import tkinter
from test.support import requires, run_unittest
-from tkinter.ttk import setup_master
+from tkinter.test.support import AbstractTkTest
requires('gui')
-class TextTest(unittest.TestCase):
+class TextTest(AbstractTkTest, unittest.TestCase):
def setUp(self):
- self.root = setup_master()
+ super().setUp()
self.text = tkinter.Text(self.root)
- def tearDown(self):
- self.text.destroy()
-
def test_debug(self):
text = self.text
olddebug = text.debug()
diff --git a/Lib/tkinter/test/test_tkinter/test_variables.py b/Lib/tkinter/test/test_tkinter/test_variables.py
index 9d910ac..7b7e299 100644
--- a/Lib/tkinter/test/test_tkinter/test_variables.py
+++ b/Lib/tkinter/test/test_tkinter/test_variables.py
@@ -1,6 +1,6 @@
import unittest
-from tkinter import Variable, StringVar, IntVar, DoubleVar, BooleanVar, Tk
+from tkinter import Variable, StringVar, IntVar, DoubleVar, BooleanVar, Tcl
class Var(Variable):
@@ -16,10 +16,10 @@ class Var(Variable):
class TestBase(unittest.TestCase):
def setUp(self):
- self.root = Tk()
+ self.root = Tcl()
def tearDown(self):
- self.root.destroy()
+ del self.root
class TestVariable(TestBase):
@@ -81,7 +81,7 @@ class TestVariable(TestBase):
self.root.setvar(b'var\x00name', "value")
def test_initialize(self):
- v = Var()
+ v = Var(self.root)
self.assertFalse(v.side_effect)
v.set("value")
self.assertTrue(v.side_effect)
diff --git a/Lib/tkinter/test/test_tkinter/test_widgets.py b/Lib/tkinter/test/test_tkinter/test_widgets.py
index c902997..58c8ea1 100644
--- a/Lib/tkinter/test/test_tkinter/test_widgets.py
+++ b/Lib/tkinter/test/test_tkinter/test_widgets.py
@@ -66,7 +66,7 @@ class ToplevelTest(AbstractToplevelTest, unittest.TestCase):
'takefocus', 'use', 'visual', 'width',
)
- def _create(self, **kwargs):
+ def create(self, **kwargs):
return tkinter.Toplevel(self.root, **kwargs)
def test_menu(self):
@@ -105,7 +105,7 @@ class FrameTest(AbstractToplevelTest, unittest.TestCase):
'relief', 'takefocus', 'visual', 'width',
)
- def _create(self, **kwargs):
+ def create(self, **kwargs):
return tkinter.Frame(self.root, **kwargs)
@@ -120,7 +120,7 @@ class LabelFrameTest(AbstractToplevelTest, unittest.TestCase):
'takefocus', 'text', 'visual', 'width',
)
- def _create(self, **kwargs):
+ def create(self, **kwargs):
return tkinter.LabelFrame(self.root, **kwargs)
def test_labelanchor(self):
@@ -158,7 +158,7 @@ class LabelTest(AbstractLabelTest, unittest.TestCase):
'underline', 'width', 'wraplength',
)
- def _create(self, **kwargs):
+ def create(self, **kwargs):
return tkinter.Label(self.root, **kwargs)
@@ -175,7 +175,7 @@ class ButtonTest(AbstractLabelTest, unittest.TestCase):
'state', 'takefocus', 'text', 'textvariable',
'underline', 'width', 'wraplength')
- def _create(self, **kwargs):
+ def create(self, **kwargs):
return tkinter.Button(self.root, **kwargs)
def test_default(self):
@@ -199,7 +199,7 @@ class CheckbuttonTest(AbstractLabelTest, unittest.TestCase):
'underline', 'variable', 'width', 'wraplength',
)
- def _create(self, **kwargs):
+ def create(self, **kwargs):
return tkinter.Checkbutton(self.root, **kwargs)
@@ -227,7 +227,7 @@ class RadiobuttonTest(AbstractLabelTest, unittest.TestCase):
'underline', 'value', 'variable', 'width', 'wraplength',
)
- def _create(self, **kwargs):
+ def create(self, **kwargs):
return tkinter.Radiobutton(self.root, **kwargs)
def test_value(self):
@@ -250,7 +250,7 @@ class MenubuttonTest(AbstractLabelTest, unittest.TestCase):
)
_conv_pixels = staticmethod(pixels_round)
- def _create(self, **kwargs):
+ def create(self, **kwargs):
return tkinter.Menubutton(self.root, **kwargs)
def test_direction(self):
@@ -268,7 +268,7 @@ class MenubuttonTest(AbstractLabelTest, unittest.TestCase):
'crashes with Cocoa Tk (issue19733)')
def test_image(self):
widget = self.create()
- image = tkinter.PhotoImage('image1')
+ image = tkinter.PhotoImage(master=self.root, name='image1')
self.checkParam(widget, 'image', image, conv=str)
errmsg = 'image "spam" doesn\'t exist'
with self.assertRaises(tkinter.TclError) as cm:
@@ -303,7 +303,7 @@ class MenubuttonTest(AbstractLabelTest, unittest.TestCase):
class OptionMenuTest(MenubuttonTest, unittest.TestCase):
- def _create(self, default='b', values=('a', 'b', 'c'), **kwargs):
+ def create(self, default='b', values=('a', 'b', 'c'), **kwargs):
return tkinter.OptionMenu(self.root, None, default, *values, **kwargs)
@@ -322,7 +322,7 @@ class EntryTest(AbstractWidgetTest, unittest.TestCase):
'validate', 'validatecommand', 'width', 'xscrollcommand',
)
- def _create(self, **kwargs):
+ def create(self, **kwargs):
return tkinter.Entry(self.root, **kwargs)
def test_disabledbackground(self):
@@ -396,7 +396,7 @@ class SpinboxTest(EntryTest, unittest.TestCase):
'width', 'wrap', 'xscrollcommand',
)
- def _create(self, **kwargs):
+ def create(self, **kwargs):
return tkinter.Spinbox(self.root, **kwargs)
test_show = None
@@ -490,9 +490,9 @@ class TextTest(AbstractWidgetTest, unittest.TestCase):
'xscrollcommand', 'yscrollcommand',
)
if tcl_version < (8, 5):
- wantobjects = False
+ _stringify = True
- def _create(self, **kwargs):
+ def create(self, **kwargs):
return tkinter.Text(self.root, **kwargs)
def test_autoseparators(self):
@@ -644,9 +644,9 @@ class CanvasTest(AbstractWidgetTest, unittest.TestCase):
)
_conv_pixels = round
- wantobjects = False
+ _stringify = True
- def _create(self, **kwargs):
+ def create(self, **kwargs):
return tkinter.Canvas(self.root, **kwargs)
def test_closeenough(self):
@@ -699,7 +699,7 @@ class ListboxTest(AbstractWidgetTest, unittest.TestCase):
'takefocus', 'width', 'xscrollcommand', 'yscrollcommand',
)
- def _create(self, **kwargs):
+ def create(self, **kwargs):
return tkinter.Listbox(self.root, **kwargs)
def test_activestyle(self):
@@ -709,7 +709,7 @@ class ListboxTest(AbstractWidgetTest, unittest.TestCase):
def test_listvariable(self):
widget = self.create()
- var = tkinter.DoubleVar()
+ var = tkinter.DoubleVar(self.root)
self.checkVariableParam(widget, 'listvariable', var)
def test_selectmode(self):
@@ -831,7 +831,7 @@ class ScaleTest(AbstractWidgetTest, unittest.TestCase):
)
default_orient = 'vertical'
- def _create(self, **kwargs):
+ def create(self, **kwargs):
return tkinter.Scale(self.root, **kwargs)
def test_bigincrement(self):
@@ -897,10 +897,10 @@ class ScrollbarTest(AbstractWidgetTest, unittest.TestCase):
'takefocus', 'troughcolor', 'width',
)
_conv_pixels = round
- wantobjects = False
+ _stringify = True
default_orient = 'vertical'
- def _create(self, **kwargs):
+ def create(self, **kwargs):
return tkinter.Scrollbar(self.root, **kwargs)
def test_activerelief(self):
@@ -946,7 +946,7 @@ class PanedWindowTest(AbstractWidgetTest, unittest.TestCase):
)
default_orient = 'horizontal'
- def _create(self, **kwargs):
+ def create(self, **kwargs):
return tkinter.PanedWindow(self.root, **kwargs)
def test_handlepad(self):
@@ -1104,7 +1104,7 @@ class MenuTest(AbstractWidgetTest, unittest.TestCase):
)
_conv_pixels = noconv
- def _create(self, **kwargs):
+ def create(self, **kwargs):
return tkinter.Menu(self.root, **kwargs)
def test_postcommand(self):
@@ -1173,7 +1173,7 @@ class MessageTest(AbstractWidgetTest, unittest.TestCase):
)
_conv_pad_pixels = noconv
- def _create(self, **kwargs):
+ def create(self, **kwargs):
return tkinter.Message(self.root, **kwargs)
def test_aspect(self):
diff --git a/Lib/tkinter/test/test_ttk/test_extensions.py b/Lib/tkinter/test/test_ttk/test_extensions.py
index d699546..c3af06c 100644
--- a/Lib/tkinter/test/test_ttk/test_extensions.py
+++ b/Lib/tkinter/test/test_ttk/test_extensions.py
@@ -2,34 +2,30 @@ import sys
import unittest
import tkinter
from tkinter import ttk
-from test.support import requires, run_unittest
-
-import tkinter.test.support as support
+from test.support import requires, run_unittest, swap_attr
+from tkinter.test.support import AbstractTkTest, destroy_default_root
requires('gui')
-class LabeledScaleTest(unittest.TestCase):
-
- def setUp(self):
- support.root_deiconify()
+class LabeledScaleTest(AbstractTkTest, unittest.TestCase):
def tearDown(self):
- support.root_withdraw()
-
+ self.root.update_idletasks()
+ super().tearDown()
def test_widget_destroy(self):
# automatically created variable
- x = ttk.LabeledScale()
+ x = ttk.LabeledScale(self.root)
var = x._variable._name
x.destroy()
self.assertRaises(tkinter.TclError, x.tk.globalgetvar, var)
# manually created variable
- myvar = tkinter.DoubleVar()
+ myvar = tkinter.DoubleVar(self.root)
name = myvar._name
- x = ttk.LabeledScale(variable=myvar)
+ x = ttk.LabeledScale(self.root, variable=myvar)
x.destroy()
- if x.tk.wantobjects():
+ if self.wantobjects:
self.assertEqual(x.tk.globalgetvar(name), myvar.get())
else:
self.assertEqual(float(x.tk.globalgetvar(name)), myvar.get())
@@ -37,26 +33,36 @@ class LabeledScaleTest(unittest.TestCase):
self.assertRaises(tkinter.TclError, x.tk.globalgetvar, name)
# checking that the tracing callback is properly removed
- myvar = tkinter.IntVar()
+ myvar = tkinter.IntVar(self.root)
# LabeledScale will start tracing myvar
- x = ttk.LabeledScale(variable=myvar)
+ x = ttk.LabeledScale(self.root, variable=myvar)
x.destroy()
# Unless the tracing callback was removed, creating a new
# LabeledScale with the same var will cause an error now. This
# happens because the variable will be set to (possibly) a new
# value which causes the tracing callback to be called and then
# it tries calling instance attributes not yet defined.
- ttk.LabeledScale(variable=myvar)
+ ttk.LabeledScale(self.root, variable=myvar)
if hasattr(sys, 'last_type'):
self.assertNotEqual(sys.last_type, tkinter.TclError)
+ def test_initialization_no_master(self):
+ # no master passing
+ with swap_attr(tkinter, '_default_root', None), \
+ swap_attr(tkinter, '_support_default_root', True):
+ try:
+ x = ttk.LabeledScale()
+ self.assertIsNotNone(tkinter._default_root)
+ self.assertEqual(x.master, tkinter._default_root)
+ self.assertEqual(x.tk, tkinter._default_root.tk)
+ x.destroy()
+ finally:
+ destroy_default_root()
+
def test_initialization(self):
# master passing
- x = ttk.LabeledScale()
- self.assertEqual(x.master, tkinter._default_root)
- x.destroy()
- master = tkinter.Frame()
+ master = tkinter.Frame(self.root)
x = ttk.LabeledScale(master)
self.assertEqual(x.master, master)
x.destroy()
@@ -64,25 +70,25 @@ class LabeledScaleTest(unittest.TestCase):
# variable initialization/passing
passed_expected = (('0', 0), (0, 0), (10, 10),
(-1, -1), (sys.maxsize + 1, sys.maxsize + 1))
- if x.tk.wantobjects():
+ if self.wantobjects:
passed_expected += ((2.5, 2),)
for pair in passed_expected:
- x = ttk.LabeledScale(from_=pair[0])
+ x = ttk.LabeledScale(self.root, from_=pair[0])
self.assertEqual(x.value, pair[1])
x.destroy()
- x = ttk.LabeledScale(from_='2.5')
+ x = ttk.LabeledScale(self.root, from_='2.5')
self.assertRaises(ValueError, x._variable.get)
x.destroy()
- x = ttk.LabeledScale(from_=None)
+ x = ttk.LabeledScale(self.root, from_=None)
self.assertRaises(ValueError, x._variable.get)
x.destroy()
# variable should have its default value set to the from_ value
- myvar = tkinter.DoubleVar(value=20)
- x = ttk.LabeledScale(variable=myvar)
+ myvar = tkinter.DoubleVar(self.root, value=20)
+ x = ttk.LabeledScale(self.root, variable=myvar)
self.assertEqual(x.value, 0)
x.destroy()
# check that it is really using a DoubleVar
- x = ttk.LabeledScale(variable=myvar, from_=0.5)
+ x = ttk.LabeledScale(self.root, variable=myvar, from_=0.5)
self.assertEqual(x.value, 0.5)
self.assertEqual(x._variable._name, myvar._name)
x.destroy()
@@ -91,25 +97,26 @@ class LabeledScaleTest(unittest.TestCase):
def check_positions(scale, scale_pos, label, label_pos):
self.assertEqual(scale.pack_info()['side'], scale_pos)
self.assertEqual(label.place_info()['anchor'], label_pos)
- x = ttk.LabeledScale(compound='top')
+ x = ttk.LabeledScale(self.root, compound='top')
check_positions(x.scale, 'bottom', x.label, 'n')
x.destroy()
- x = ttk.LabeledScale(compound='bottom')
+ x = ttk.LabeledScale(self.root, compound='bottom')
check_positions(x.scale, 'top', x.label, 's')
x.destroy()
- x = ttk.LabeledScale(compound='unknown') # invert default positions
+ # invert default positions
+ x = ttk.LabeledScale(self.root, compound='unknown')
check_positions(x.scale, 'top', x.label, 's')
x.destroy()
- x = ttk.LabeledScale() # take default positions
+ x = ttk.LabeledScale(self.root) # take default positions
check_positions(x.scale, 'bottom', x.label, 'n')
x.destroy()
# extra, and invalid, kwargs
- self.assertRaises(tkinter.TclError, ttk.LabeledScale, a='b')
+ self.assertRaises(tkinter.TclError, ttk.LabeledScale, master, a='b')
def test_horizontal_range(self):
- lscale = ttk.LabeledScale(from_=0, to=10)
+ lscale = ttk.LabeledScale(self.root, from_=0, to=10)
lscale.pack()
lscale.wait_visibility()
lscale.update()
@@ -128,7 +135,7 @@ class LabeledScaleTest(unittest.TestCase):
self.assertNotEqual(prev_xcoord, curr_xcoord)
# the label widget should have been repositioned too
linfo_2 = lscale.label.place_info()
- self.assertEqual(lscale.label['text'], 0 if lscale.tk.wantobjects() else '0')
+ self.assertEqual(lscale.label['text'], 0 if self.wantobjects else '0')
self.assertEqual(curr_xcoord, int(linfo_2['x']))
# change the range back
lscale.scale.configure(from_=0, to=10)
@@ -139,7 +146,7 @@ class LabeledScaleTest(unittest.TestCase):
def test_variable_change(self):
- x = ttk.LabeledScale()
+ x = ttk.LabeledScale(self.root)
x.pack()
x.wait_visibility()
x.update()
@@ -151,13 +158,13 @@ class LabeledScaleTest(unittest.TestCase):
# at the same time this shouldn't affect test outcome
x.update()
self.assertEqual(x.label['text'],
- newval if x.tk.wantobjects() else str(newval))
+ newval if self.wantobjects else str(newval))
self.assertGreater(x.scale.coords()[0], curr_xcoord)
self.assertEqual(x.scale.coords()[0],
int(x.label.place_info()['x']))
# value outside range
- if x.tk.wantobjects():
+ if self.wantobjects:
conv = lambda x: x
else:
conv = int
@@ -171,7 +178,7 @@ class LabeledScaleTest(unittest.TestCase):
def test_resize(self):
- x = ttk.LabeledScale()
+ x = ttk.LabeledScale(self.root)
x.pack(expand=True, fill='both')
x.wait_visibility()
x.update()
@@ -190,20 +197,20 @@ class LabeledScaleTest(unittest.TestCase):
x.destroy()
-class OptionMenuTest(unittest.TestCase):
+class OptionMenuTest(AbstractTkTest, unittest.TestCase):
def setUp(self):
- support.root_deiconify()
- self.textvar = tkinter.StringVar()
+ super().setUp()
+ self.textvar = tkinter.StringVar(self.root)
def tearDown(self):
del self.textvar
- support.root_withdraw()
+ super().tearDown()
def test_widget_destroy(self):
- var = tkinter.StringVar()
- optmenu = ttk.OptionMenu(None, var)
+ var = tkinter.StringVar(self.root)
+ optmenu = ttk.OptionMenu(self.root, var)
name = var._name
optmenu.update_idletasks()
optmenu.destroy()
@@ -214,9 +221,9 @@ class OptionMenuTest(unittest.TestCase):
def test_initialization(self):
self.assertRaises(tkinter.TclError,
- ttk.OptionMenu, None, self.textvar, invalid='thing')
+ ttk.OptionMenu, self.root, self.textvar, invalid='thing')
- optmenu = ttk.OptionMenu(None, self.textvar, 'b', 'a', 'b')
+ optmenu = ttk.OptionMenu(self.root, self.textvar, 'b', 'a', 'b')
self.assertEqual(optmenu._variable.get(), 'b')
self.assertTrue(optmenu['menu'])
@@ -228,7 +235,7 @@ class OptionMenuTest(unittest.TestCase):
def test_menu(self):
items = ('a', 'b', 'c')
default = 'a'
- optmenu = ttk.OptionMenu(None, self.textvar, default, *items)
+ optmenu = ttk.OptionMenu(self.root, self.textvar, default, *items)
found_default = False
for i in range(len(items)):
value = optmenu['menu'].entrycget(i, 'value')
@@ -240,7 +247,7 @@ class OptionMenuTest(unittest.TestCase):
# default shouldn't be in menu if it is not part of values
default = 'd'
- optmenu = ttk.OptionMenu(None, self.textvar, default, *items)
+ optmenu = ttk.OptionMenu(self.root, self.textvar, default, *items)
curr = None
i = 0
while True:
@@ -269,7 +276,7 @@ class OptionMenuTest(unittest.TestCase):
def cb_test(item):
self.assertEqual(item, items[1])
success.append(True)
- optmenu = ttk.OptionMenu(None, self.textvar, 'a', command=cb_test,
+ optmenu = ttk.OptionMenu(self.root, self.textvar, 'a', command=cb_test,
*items)
optmenu['menu'].invoke(1)
if not success:
diff --git a/Lib/tkinter/test/test_ttk/test_style.py b/Lib/tkinter/test/test_ttk/test_style.py
index 0da0e5d..3537536 100644
--- a/Lib/tkinter/test/test_ttk/test_style.py
+++ b/Lib/tkinter/test/test_ttk/test_style.py
@@ -2,15 +2,15 @@ import unittest
import tkinter
from tkinter import ttk
from test.support import requires, run_unittest
-
-import tkinter.test.support as support
+from tkinter.test.support import AbstractTkTest
requires('gui')
-class StyleTest(unittest.TestCase):
+class StyleTest(AbstractTkTest, unittest.TestCase):
def setUp(self):
- self.style = ttk.Style()
+ super().setUp()
+ self.style = ttk.Style(self.root)
def test_configure(self):
@@ -25,7 +25,7 @@ class StyleTest(unittest.TestCase):
style = self.style
style.map('TButton', background=[('active', 'background', 'blue')])
self.assertEqual(style.map('TButton', 'background'),
- [('active', 'background', 'blue')] if style.tk.wantobjects() else
+ [('active', 'background', 'blue')] if self.wantobjects else
[('active background', 'blue')])
self.assertIsInstance(style.map('TButton'), dict)
diff --git a/Lib/tkinter/test/test_ttk/test_widgets.py b/Lib/tkinter/test/test_ttk/test_widgets.py
index 41927dd..f73ac79 100644
--- a/Lib/tkinter/test/test_ttk/test_widgets.py
+++ b/Lib/tkinter/test/test_ttk/test_widgets.py
@@ -4,9 +4,9 @@ from tkinter import ttk
from test.support import requires
import sys
-import tkinter.test.support as support
from tkinter.test.test_ttk.test_functions import MockTclObj
-from tkinter.test.support import tcl_version, get_tk_patchlevel
+from tkinter.test.support import (AbstractTkTest, tcl_version, get_tk_patchlevel,
+ simulate_mouse_click)
from tkinter.test.widget_tests import (add_standard_options, noconv,
AbstractWidgetTest, StandardOptionsTests, IntegerSizeTests, PixelSizeTests,
setUpModule)
@@ -53,19 +53,15 @@ class StandardTtkOptionsTests(StandardOptionsTests):
pass
-class WidgetTest(unittest.TestCase):
+class WidgetTest(AbstractTkTest, unittest.TestCase):
"""Tests methods available in every ttk widget."""
def setUp(self):
- support.root_deiconify()
- self.widget = ttk.Button(width=0, text="Text")
+ super().setUp()
+ self.widget = ttk.Button(self.root, width=0, text="Text")
self.widget.pack()
self.widget.wait_visibility()
- def tearDown(self):
- self.widget.destroy()
- support.root_withdraw()
-
def test_identify(self):
self.widget.update_idletasks()
@@ -128,7 +124,7 @@ class FrameTest(AbstractToplevelTest, unittest.TestCase):
'width',
)
- def _create(self, **kwargs):
+ def create(self, **kwargs):
return ttk.Frame(self.root, **kwargs)
@@ -141,7 +137,7 @@ class LabelFrameTest(AbstractToplevelTest, unittest.TestCase):
'text', 'underline', 'width',
)
- def _create(self, **kwargs):
+ def create(self, **kwargs):
return ttk.LabelFrame(self.root, **kwargs)
def test_labelanchor(self):
@@ -161,8 +157,8 @@ class LabelFrameTest(AbstractToplevelTest, unittest.TestCase):
class AbstractLabelTest(AbstractWidgetTest):
def checkImageParam(self, widget, name):
- image = tkinter.PhotoImage('image1')
- image2 = tkinter.PhotoImage('image2')
+ image = tkinter.PhotoImage(master=self.root, name='image1')
+ image2 = tkinter.PhotoImage(master=self.root, name='image2')
self.checkParam(widget, name, image, expected=('image1',))
self.checkParam(widget, name, 'image1', expected=('image1',))
self.checkParam(widget, name, (image,), expected=('image1',))
@@ -199,7 +195,7 @@ class LabelTest(AbstractLabelTest, unittest.TestCase):
)
_conv_pixels = noconv
- def _create(self, **kwargs):
+ def create(self, **kwargs):
return ttk.Label(self.root, **kwargs)
def test_font(self):
@@ -216,7 +212,7 @@ class ButtonTest(AbstractLabelTest, unittest.TestCase):
'underline', 'width',
)
- def _create(self, **kwargs):
+ def create(self, **kwargs):
return ttk.Button(self.root, **kwargs)
def test_default(self):
@@ -225,7 +221,7 @@ class ButtonTest(AbstractLabelTest, unittest.TestCase):
def test_invoke(self):
success = []
- btn = ttk.Button(command=lambda: success.append(1))
+ btn = ttk.Button(self.root, command=lambda: success.append(1))
btn.invoke()
self.assertTrue(success)
@@ -241,7 +237,7 @@ class CheckbuttonTest(AbstractLabelTest, unittest.TestCase):
'underline', 'variable', 'width',
)
- def _create(self, **kwargs):
+ def create(self, **kwargs):
return ttk.Checkbutton(self.root, **kwargs)
def test_offvalue(self):
@@ -258,7 +254,7 @@ class CheckbuttonTest(AbstractLabelTest, unittest.TestCase):
success.append(1)
return "cb test called"
- cbtn = ttk.Checkbutton(command=cb_test)
+ cbtn = ttk.Checkbutton(self.root, command=cb_test)
# the variable automatically created by ttk.Checkbutton is actually
# undefined till we invoke the Checkbutton
self.assertEqual(cbtn.state(), ('alternate', ))
@@ -289,15 +285,9 @@ class ComboboxTest(AbstractWidgetTest, unittest.TestCase):
def setUp(self):
super().setUp()
- support.root_deiconify()
self.combo = self.create()
- def tearDown(self):
- self.combo.destroy()
- support.root_withdraw()
- super().tearDown()
-
- def _create(self, **kwargs):
+ def create(self, **kwargs):
return ttk.Combobox(self.root, **kwargs)
def test_height(self):
@@ -405,7 +395,7 @@ class ComboboxTest(AbstractWidgetTest, unittest.TestCase):
self.assertRaises(tkinter.TclError, self.combo.current, '')
# testing creating combobox with empty string in values
- combo2 = ttk.Combobox(values=[1, 2, ''])
+ combo2 = ttk.Combobox(self.root, values=[1, 2, ''])
self.assertEqual(combo2['values'],
('1', '2', '') if self.wantobjects else '1 2 {}')
combo2.destroy()
@@ -423,15 +413,9 @@ class EntryTest(AbstractWidgetTest, unittest.TestCase):
def setUp(self):
super().setUp()
- support.root_deiconify()
self.entry = self.create()
- def tearDown(self):
- self.entry.destroy()
- support.root_withdraw()
- super().tearDown()
-
- def _create(self, **kwargs):
+ def create(self, **kwargs):
return ttk.Entry(self.root, **kwargs)
def test_invalidcommand(self):
@@ -558,15 +542,9 @@ class PanedWindowTest(AbstractWidgetTest, unittest.TestCase):
def setUp(self):
super().setUp()
- support.root_deiconify()
self.paned = self.create()
- def tearDown(self):
- self.paned.destroy()
- support.root_withdraw()
- super().tearDown()
-
- def _create(self, **kwargs):
+ def create(self, **kwargs):
return ttk.PanedWindow(self.root, **kwargs)
def test_orient(self):
@@ -588,13 +566,13 @@ class PanedWindowTest(AbstractWidgetTest, unittest.TestCase):
label.destroy()
child.destroy()
# another attempt
- label = ttk.Label()
+ label = ttk.Label(self.root)
child = ttk.Label(label)
self.assertRaises(tkinter.TclError, self.paned.add, child)
child.destroy()
label.destroy()
- good_child = ttk.Label()
+ good_child = ttk.Label(self.root)
self.paned.add(good_child)
# re-adding a child is not accepted
self.assertRaises(tkinter.TclError, self.paned.add, good_child)
@@ -612,7 +590,7 @@ class PanedWindowTest(AbstractWidgetTest, unittest.TestCase):
self.assertRaises(tkinter.TclError, self.paned.forget, None)
self.assertRaises(tkinter.TclError, self.paned.forget, 0)
- self.paned.add(ttk.Label())
+ self.paned.add(ttk.Label(self.root))
self.paned.forget(0)
self.assertRaises(tkinter.TclError, self.paned.forget, 0)
@@ -622,9 +600,9 @@ class PanedWindowTest(AbstractWidgetTest, unittest.TestCase):
self.assertRaises(tkinter.TclError, self.paned.insert, 0, None)
self.assertRaises(tkinter.TclError, self.paned.insert, 0, 0)
- child = ttk.Label()
- child2 = ttk.Label()
- child3 = ttk.Label()
+ child = ttk.Label(self.root)
+ child2 = ttk.Label(self.root)
+ child3 = ttk.Label(self.root)
self.assertRaises(tkinter.TclError, self.paned.insert, 0, child)
@@ -655,7 +633,7 @@ class PanedWindowTest(AbstractWidgetTest, unittest.TestCase):
def test_pane(self):
self.assertRaises(tkinter.TclError, self.paned.pane, 0)
- child = ttk.Label()
+ child = ttk.Label(self.root)
self.paned.add(child)
self.assertIsInstance(self.paned.pane(0), dict)
self.assertEqual(self.paned.pane(0, weight=None),
@@ -700,7 +678,7 @@ class RadiobuttonTest(AbstractLabelTest, unittest.TestCase):
'underline', 'value', 'variable', 'width',
)
- def _create(self, **kwargs):
+ def create(self, **kwargs):
return ttk.Radiobutton(self.root, **kwargs)
def test_value(self):
@@ -713,9 +691,11 @@ class RadiobuttonTest(AbstractLabelTest, unittest.TestCase):
success.append(1)
return "cb test called"
- myvar = tkinter.IntVar()
- cbtn = ttk.Radiobutton(command=cb_test, variable=myvar, value=0)
- cbtn2 = ttk.Radiobutton(command=cb_test, variable=myvar, value=1)
+ myvar = tkinter.IntVar(self.root)
+ cbtn = ttk.Radiobutton(self.root, command=cb_test,
+ variable=myvar, value=0)
+ cbtn2 = ttk.Radiobutton(self.root, command=cb_test,
+ variable=myvar, value=1)
if self.wantobjects:
conv = lambda x: x
@@ -748,7 +728,7 @@ class MenubuttonTest(AbstractLabelTest, unittest.TestCase):
'underline', 'width',
)
- def _create(self, **kwargs):
+ def create(self, **kwargs):
return ttk.Menubutton(self.root, **kwargs)
def test_direction(self):
@@ -774,17 +754,11 @@ class ScaleTest(AbstractWidgetTest, unittest.TestCase):
def setUp(self):
super().setUp()
- support.root_deiconify()
self.scale = self.create()
self.scale.pack()
self.scale.update()
- def tearDown(self):
- self.scale.destroy()
- support.root_withdraw()
- super().tearDown()
-
- def _create(self, **kwargs):
+ def create(self, **kwargs):
return ttk.Scale(self.root, **kwargs)
def test_from(self):
@@ -856,7 +830,7 @@ class ScaleTest(AbstractWidgetTest, unittest.TestCase):
self.assertEqual(conv(self.scale.get()), min)
# changing directly the variable doesn't impose this limitation tho
- var = tkinter.DoubleVar()
+ var = tkinter.DoubleVar(self.root)
self.scale['variable'] = var
var.set(max + 5)
self.assertEqual(conv(self.scale.get()), var.get())
@@ -886,7 +860,7 @@ class ProgressbarTest(AbstractWidgetTest, unittest.TestCase):
_conv_pixels = noconv
default_orient = 'horizontal'
- def _create(self, **kwargs):
+ def create(self, **kwargs):
return ttk.Progressbar(self.root, **kwargs)
def test_length(self):
@@ -920,7 +894,7 @@ class ScrollbarTest(AbstractWidgetTest, unittest.TestCase):
)
default_orient = 'vertical'
- def _create(self, **kwargs):
+ def create(self, **kwargs):
return ttk.Scrollbar(self.root, **kwargs)
@@ -932,21 +906,13 @@ class NotebookTest(AbstractWidgetTest, unittest.TestCase):
def setUp(self):
super().setUp()
- support.root_deiconify()
self.nb = self.create(padding=0)
- self.child1 = ttk.Label()
- self.child2 = ttk.Label()
+ self.child1 = ttk.Label(self.root)
+ self.child2 = ttk.Label(self.root)
self.nb.add(self.child1, text='a')
self.nb.add(self.child2, text='b')
- def tearDown(self):
- self.child1.destroy()
- self.child2.destroy()
- self.nb.destroy()
- support.root_withdraw()
- super().tearDown()
-
- def _create(self, **kwargs):
+ def create(self, **kwargs):
return ttk.Notebook(self.root, **kwargs)
def test_tab_identifiers(self):
@@ -985,7 +951,7 @@ class NotebookTest(AbstractWidgetTest, unittest.TestCase):
self.assertRaises(tkinter.TclError, self.nb.hide, 'hi')
self.assertRaises(tkinter.TclError, self.nb.hide, None)
self.assertRaises(tkinter.TclError, self.nb.add, None)
- self.assertRaises(tkinter.TclError, self.nb.add, ttk.Label(),
+ self.assertRaises(tkinter.TclError, self.nb.add, ttk.Label(self.root),
unknown='option')
tabs = self.nb.tabs()
@@ -993,7 +959,7 @@ class NotebookTest(AbstractWidgetTest, unittest.TestCase):
self.nb.add(self.child1)
self.assertEqual(self.nb.tabs(), tabs)
- child = ttk.Label()
+ child = ttk.Label(self.root)
self.nb.add(child, text='c')
tabs = self.nb.tabs()
@@ -1051,7 +1017,7 @@ class NotebookTest(AbstractWidgetTest, unittest.TestCase):
self.assertRaises(tkinter.TclError, self.nb.insert, -1, tabs[0])
# new tab
- child3 = ttk.Label()
+ child3 = ttk.Label(self.root)
self.nb.insert(1, child3)
self.assertEqual(self.nb.tabs(), (tabs[0], str(child3), tabs[1]))
self.nb.forget(child3)
@@ -1117,7 +1083,7 @@ class NotebookTest(AbstractWidgetTest, unittest.TestCase):
self.nb.select(0)
- support.simulate_mouse_click(self.nb, 5, 5)
+ simulate_mouse_click(self.nb, 5, 5)
self.nb.focus_force()
self.nb.event_generate('<Control-Tab>')
self.assertEqual(self.nb.select(), str(self.child2))
@@ -1131,7 +1097,7 @@ class NotebookTest(AbstractWidgetTest, unittest.TestCase):
self.nb.tab(self.child1, text='a', underline=0)
self.nb.enable_traversal()
self.nb.focus_force()
- support.simulate_mouse_click(self.nb, 5, 5)
+ simulate_mouse_click(self.nb, 5, 5)
if sys.platform == 'darwin':
self.nb.event_generate('<Option-a>')
else:
@@ -1149,15 +1115,9 @@ class TreeviewTest(AbstractWidgetTest, unittest.TestCase):
def setUp(self):
super().setUp()
- support.root_deiconify()
self.tv = self.create(padding=0)
- def tearDown(self):
- self.tv.destroy()
- support.root_withdraw()
- super().tearDown()
-
- def _create(self, **kwargs):
+ def create(self, **kwargs):
return ttk.Treeview(self.root, **kwargs)
def test_columns(self):
@@ -1393,7 +1353,7 @@ class TreeviewTest(AbstractWidgetTest, unittest.TestCase):
def test_heading_callback(self):
def simulate_heading_click(x, y):
- support.simulate_mouse_click(self.tv, x, y)
+ simulate_mouse_click(self.tv, x, y)
self.tv.update()
success = [] # no success for now
@@ -1582,7 +1542,7 @@ class TreeviewTest(AbstractWidgetTest, unittest.TestCase):
self.assertEqual(len(pos_y), 2) # item1 and item2 y pos
for y in pos_y:
- support.simulate_mouse_click(self.tv, 0, y)
+ simulate_mouse_click(self.tv, 0, y)
# by now there should be 4 things in the events list, since each
# item had a bind for two events that were simulated above
@@ -1612,7 +1572,7 @@ class SeparatorTest(AbstractWidgetTest, unittest.TestCase):
)
default_orient = 'horizontal'
- def _create(self, **kwargs):
+ def create(self, **kwargs):
return ttk.Separator(self.root, **kwargs)
@@ -1623,7 +1583,7 @@ class SizegripTest(AbstractWidgetTest, unittest.TestCase):
# 'state'?
)
- def _create(self, **kwargs):
+ def create(self, **kwargs):
return ttk.Sizegrip(self.root, **kwargs)
tests_gui = (
diff --git a/Lib/tkinter/test/widget_tests.py b/Lib/tkinter/test/widget_tests.py
index 26bf162..779538d 100644
--- a/Lib/tkinter/test/widget_tests.py
+++ b/Lib/tkinter/test/widget_tests.py
@@ -3,9 +3,9 @@
import unittest
import sys
import tkinter
-from tkinter.ttk import setup_master, Scale
-from tkinter.test.support import (tcl_version, requires_tcl, get_tk_patchlevel,
- pixels_conv, tcl_obj_eq)
+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
@@ -22,33 +22,26 @@ if get_tk_patchlevel()[:3] == (8, 5, 11):
_sentinel = object()
-class AbstractWidgetTest:
+class AbstractWidgetTest(AbstractTkTest):
_conv_pixels = staticmethod(pixels_round)
_conv_pad_pixels = None
- wantobjects = True
+ _stringify = False
- def setUp(self):
- self.root = setup_master()
- self.scaling = float(self.root.call('tk', 'scaling'))
- if not self.root.wantobjects():
- self.wantobjects = False
-
- def tearDown(self):
- for w in self.root.winfo_children():
- w.destroy()
+ @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 self.wantobjects and tcl_version >= (8, 6):
+ 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 create(self, **kwargs):
- widget = self._create(**kwargs)
- self.addCleanup(widget.destroy)
- return widget
-
def assertEqual2(self, actual, expected, msg=None, eq=object.__eq__):
if eq(actual, expected):
return
@@ -61,7 +54,7 @@ class AbstractWidgetTest:
expected = value
if conv:
expected = conv(expected)
- if not self.wantobjects:
+ if self._stringify or not self.wantobjects:
if isinstance(expected, tuple):
expected = tkinter._join(expected)
else:
@@ -193,7 +186,7 @@ class AbstractWidgetTest:
errmsg=errmsg)
def checkImageParam(self, widget, name):
- image = tkinter.PhotoImage('image1')
+ 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')
@@ -414,7 +407,7 @@ class StandardOptionsTests:
def test_textvariable(self):
widget = self.create()
- var = tkinter.StringVar()
+ var = tkinter.StringVar(self.root)
self.checkVariableParam(widget, 'textvariable', var)
def test_troughcolor(self):
@@ -475,7 +468,7 @@ class StandardOptionsTests:
def test_variable(self):
widget = self.create()
- var = tkinter.DoubleVar()
+ var = tkinter.DoubleVar(self.root)
self.checkVariableParam(widget, 'variable', var)