Rename Tkinter tests for widget options (GH-23944)

Every test for widget option starts now with "test_configure_"
to distinguish it from tests for widget commands.

Doc/library/tkinter.font.rst

@@ -91,6 +91,9 @@ The different font weights and slants are:
 
    Return the names of defined fonts.
 
-.. function:: nametofont(name)
+.. function:: nametofont(name, root=None)
 
    Return a :class:`Font` representation of a tk named font.
+
+   .. versionchanged:: 3.10
+      The *root* parameter was added.

Lib/ast.py

@@ -63,7 +63,10 @@ def literal_eval(node_or_string):
     if isinstance(node_or_string, Expression):
         node_or_string = node_or_string.body
     def _raise_malformed_node(node):
-        raise ValueError(f'malformed node or string: {node!r}')
+        msg = "malformed node or string"
+        if lno := getattr(node, 'lineno', None):
+            msg += f' on line {lno}'
+        raise ValueError(msg + f': {node!r}')
     def _convert_num(node):
         if not isinstance(node, Constant) or type(node.value) not in (int, float, complex):
             _raise_malformed_node(node)

Lib/test/crashers/bogus_code_obj.py

@@ -14,6 +14,6 @@ the user build or load random bytecodes anyway.  Otherwise, this is a
 
 import types
 
-co = types.CodeType(0, 0, 0, 0, 0, b'\x04\x71\x00\x00',
+co = types.CodeType(0, 0, 0, 0, 0, 0, b'\x04\x00\x71\x00',
                     (), (), (), '', '', 1, b'')
 exec(co)

Lib/test/test_ast.py

@@ -1011,6 +1011,18 @@ Module(
         self.assertEqual(ast.literal_eval(" \t -1"), -1)
         self.assertRaises(IndentationError, ast.literal_eval, "\n -1")
 
+    def test_literal_eval_malformed_lineno(self):
+        msg = r'malformed node or string on line 3:'
+        with self.assertRaisesRegex(ValueError, msg):
+            ast.literal_eval("{'a': 1,\n'b':2,\n'c':++3,\n'd':4}")
+
+        node = ast.UnaryOp(
+            ast.UAdd(), ast.UnaryOp(ast.UAdd(), ast.Constant(6)))
+        self.assertIsNone(getattr(node, 'lineno', None))
+        msg = r'malformed node or string:'
+        with self.assertRaisesRegex(ValueError, msg):
+            ast.literal_eval(node)
+
     def test_bad_integer(self):
         # issue13436: Bad error message with invalid numeric values
         body = [ast.ImportFrom(module='time',

Lib/tkinter/__init__.py

@@ -292,7 +292,7 @@ def _get_default_root(what=None):
     if not _support_default_root:
         raise RuntimeError("No master specified and tkinter is "
                            "configured to not support default root")
-    if not _default_root:
+    if _default_root is None:
         if what:
             raise RuntimeError(f"Too early to {what}: no default root window")
         root = Tk()
@@ -300,6 +300,31 @@ def _get_default_root(what=None):
     return _default_root
 
 
+def _get_temp_root():
+    global _support_default_root
+    if not _support_default_root:
+        raise RuntimeError("No master specified and tkinter is "
+                           "configured to not support default root")
+    root = _default_root
+    if root is None:
+        assert _support_default_root
+        _support_default_root = False
+        root = Tk()
+        _support_default_root = True
+        assert _default_root is None
+        root.withdraw()
+        root._temporary = True
+    return root
+
+
+def _destroy_temp_root(master):
+    if getattr(master, '_temporary', False):
+        try:
+            master.destroy()
+        except TclError:
+            pass
+
+
 def _tkerror(err):
     """Internal function."""
     pass
@@ -342,7 +367,7 @@ class Variable:
         if name is not None and not isinstance(name, str):
             raise TypeError("name must be a string")
         global _varnum
-        if not master:
+        if master is None:
             master = _get_default_root('create variable')
         self._root = master._root()
         self._tk = master.tk
@@ -808,7 +833,7 @@ class Misc:
         function which shall be called. Additional parameters
         are given as parameters to the function call.  Return
         identifier to cancel scheduling with after_cancel."""
-        if not func:
+        if func is None:
             # I'd rather use time.sleep(ms*0.001)
             self.tk.call('after', ms)
             return None
@@ -1542,7 +1567,7 @@ class Misc:
     def _root(self):
         """Internal function."""
         w = self
-        while w.master: w = w.master
+        while w.master is not None: w = w.master
         return w
     _subst_format = ('%#', '%b', '%f', '%h', '%k',
              '%s', '%t', '%w', '%x', '%y',
@@ -2306,7 +2331,7 @@ class Tk(Misc, Wm):
         self.tk.createcommand('exit', _exit)
         self._tclCommands.append('tkerror')
         self._tclCommands.append('exit')
-        if _support_default_root and not _default_root:
+        if _support_default_root and _default_root is None:
             _default_root = self
         self.protocol("WM_DELETE_WINDOW", self.destroy)
 
@@ -2534,7 +2559,7 @@ class BaseWidget(Misc):
 
     def _setup(self, master, cnf):
         """Internal function. Sets up information about children."""
-        if not master:
+        if master is None:
             master = _get_default_root()
         self.master = master
         self.tk = master.tk
@@ -3949,7 +3974,7 @@ class _setit:
 
     def __call__(self, *args):
         self.__var.set(self.__value)
-        if self.__callback:
+        if self.__callback is not None:
             self.__callback(self.__value, *args)
 
 
@@ -3998,7 +4023,7 @@ class Image:
 
     def __init__(self, imgtype, name=None, cnf={}, master=None, **kw):
         self.name = None
-        if not master:
+        if master is None:
             master = _get_default_root('create image')
         self.tk = getattr(master, 'tk', master)
         if not name:

Lib/tkinter/commondialog.py

@@ -10,7 +10,7 @@
 
 __all__ = ["Dialog"]
 
-from tkinter import Frame
+from tkinter import Frame, _get_temp_root, _destroy_temp_root
 
 
 class Dialog:
@@ -18,7 +18,7 @@ class Dialog:
     command = None
 
     def __init__(self, master=None, **options):
-        if not master:
+        if master is None:
             master = options.get('parent')
         self.master = master
         self.options = options
@@ -37,22 +37,17 @@ class Dialog:
 
         self._fixoptions()
 
-        # we need a dummy widget to properly process the options
-        # (at least as long as we use Tkinter 1.63)
-        w = Frame(self.master)
-
+        master = self.master
+        if master is None:
+            master = _get_temp_root()
         try:
-
-            s = w.tk.call(self.command, *w._options(self.options))
-
-            s = self._fixresult(w, s)
-
+            self._test_callback(master)  # The function below is replaced for some tests.
+            s = master.tk.call(self.command, *master._options(self.options))
+            s = self._fixresult(master, s)
         finally:
-
-            try:
-                # get rid of the widget
-                w.destroy()
-            except:
-                pass
+            _destroy_temp_root(master)
 
         return s
+
+    def _test_callback(self, master):
+        pass

Lib/tkinter/dnd.py

@@ -108,7 +108,7 @@ __all__ = ["dnd_start", "DndHandler"]
 
 def dnd_start(source, event):
     h = DndHandler(source, event)
-    if h.root:
+    if h.root is not None:
         return h
     else:
         return None
@@ -143,7 +143,7 @@ class DndHandler:
     def __del__(self):
         root = self.root
         self.root = None
-        if root:
+        if root is not None:
             try:
                 del root.__dnd
             except AttributeError:
@@ -154,25 +154,25 @@ class DndHandler:
         target_widget = self.initial_widget.winfo_containing(x, y)
         source = self.source
         new_target = None
-        while target_widget:
+        while target_widget is not None:
             try:
                 attr = target_widget.dnd_accept
             except AttributeError:
                 pass
             else:
                 new_target = attr(source, event)
-                if new_target:
+                if new_target is not None:
                     break
             target_widget = target_widget.master
         old_target = self.target
         if old_target is new_target:
-            if old_target:
+            if old_target is not None:
                 old_target.dnd_motion(source, event)
         else:
-            if old_target:
+            if old_target is not None:
                 self.target = None
                 old_target.dnd_leave(source, event)
-            if new_target:
+            if new_target is not None:
                 new_target.dnd_enter(source, event)
                 self.target = new_target
 
@@ -193,7 +193,7 @@ class DndHandler:
             self.initial_widget.unbind("<Motion>")
             widget['cursor'] = self.save_cursor
             self.target = self.source = self.initial_widget = self.root = None
-            if target:
+            if target is not None:
                 if commit:
                     target.dnd_commit(source, event)
                 else:
@@ -215,9 +215,9 @@ class Icon:
         if canvas is self.canvas:
             self.canvas.coords(self.id, x, y)
             return
-        if self.canvas:
+        if self.canvas is not None:
             self.detach()
-        if not canvas:
+        if canvas is None:
             return
         label = tkinter.Label(canvas, text=self.name,
                               borderwidth=2, relief="raised")
@@ -229,7 +229,7 @@ class Icon:
 
     def detach(self):
         canvas = self.canvas
-        if not canvas:
+        if canvas is None:
             return
         id = self.id
         label = self.label

Lib/tkinter/font.py

@@ -17,10 +17,10 @@ BOLD   = "bold"
 ITALIC = "italic"
 
 
-def nametofont(name):
+def nametofont(name, root=None):
     """Given the name of a tk named font, returns a Font representation.
     """
-    return Font(name=name, exists=True)
+    return Font(name=name, exists=True, root=root)
 
 
 class Font:
@@ -68,7 +68,7 @@ class Font:
 
     def __init__(self, root=None, font=None, name=None, exists=False,
                  **options):
-        if not root:
+        if root is None:
             root = tkinter._get_default_root('use font')
         tk = getattr(root, 'tk', root)
         if font:
@@ -183,7 +183,7 @@ class Font:
 
 def families(root=None, displayof=None):
     "Get font families (as a tuple)"
-    if not root:
+    if root is None:
         root = tkinter._get_default_root('use font.families()')
     args = ()
     if displayof:
@@ -193,7 +193,7 @@ def families(root=None, displayof=None):
 
 def names(root=None):
     "Get names of defined fonts (as a tuple)"
-    if not root:
+    if root is None:
         root = tkinter._get_default_root('use font.names()')
     return root.tk.splitlist(root.tk.call("font", "names"))
 

Lib/tkinter/simpledialog.py

@@ -24,7 +24,8 @@ askstring -- get a string from the user
 """
 
 from tkinter import *
-from tkinter import messagebox, _get_default_root
+from tkinter import _get_temp_root, _destroy_temp_root
+from tkinter import messagebox
 
 
 class SimpleDialog:
@@ -99,8 +100,8 @@ class Dialog(Toplevel):
             title -- the dialog title
         '''
         master = parent
-        if not master:
-            master = _get_default_root('create dialog window')
+        if master is None:
+            master = _get_temp_root()
 
         Toplevel.__init__(self, master)
 
@@ -124,7 +125,7 @@ class Dialog(Toplevel):
 
         self.buttonbox()
 
-        if not self.initial_focus:
+        if self.initial_focus is None:
             self.initial_focus = self
 
         self.protocol("WM_DELETE_WINDOW", self.cancel)
@@ -142,6 +143,7 @@ class Dialog(Toplevel):
         '''Destroy the window'''
         self.initial_focus = None
         Toplevel.destroy(self)
+        _destroy_temp_root(self.master)
 
     #
     # construction hooks

Lib/tkinter/test/test_tkinter/test_colorchooser.py

@@ -0,0 +1,39 @@
+import unittest
+import tkinter
+from test.support import requires, run_unittest, swap_attr
+from tkinter.test.support import AbstractDefaultRootTest
+from tkinter.commondialog import Dialog
+from tkinter.colorchooser import askcolor
+
+requires('gui')
+
+
+class DefaultRootTest(AbstractDefaultRootTest, unittest.TestCase):
+
+    def test_askcolor(self):
+        def test_callback(dialog, master):
+            nonlocal ismapped
+            master.update()
+            ismapped = master.winfo_ismapped()
+            raise ZeroDivisionError
+
+        with swap_attr(Dialog, '_test_callback', test_callback):
+            ismapped = None
+            self.assertRaises(ZeroDivisionError, askcolor)
+            #askcolor()
+            self.assertEqual(ismapped, False)
+
+            root = tkinter.Tk()
+            ismapped = None
+            self.assertRaises(ZeroDivisionError, askcolor)
+            self.assertEqual(ismapped, True)
+            root.destroy()
+
+            tkinter.NoDefaultRoot()
+            self.assertRaises(RuntimeError, askcolor)
+
+
+tests_gui = (DefaultRootTest,)
+
+if __name__ == "__main__":
+    run_unittest(*tests_gui)

Lib/tkinter/test/test_tkinter/test_font.py

@@ -101,6 +101,11 @@ class FontTest(AbstractTkTest, unittest.TestCase):
             self.assertTrue(name)
         self.assertIn(fontname, names)
 
+    def test_nametofont(self):
+        testfont = font.nametofont(fontname, root=self.root)
+        self.assertIsInstance(testfont, font.Font)
+        self.assertEqual(testfont.name, fontname)
+
     def test_repr(self):
         self.assertEqual(
             repr(self.font), f'<tkinter.font.Font object {fontname!r}>'
@@ -136,6 +141,16 @@ class DefaultRootTest(AbstractDefaultRootTest, unittest.TestCase):
         tkinter.NoDefaultRoot()
         self.assertRaises(RuntimeError, font.names)
 
+    def test_nametofont(self):
+        self.assertRaises(RuntimeError, font.nametofont, fontname)
+        root = tkinter.Tk()
+        testfont = font.nametofont(fontname)
+        self.assertIsInstance(testfont, font.Font)
+        self.assertEqual(testfont.name, fontname)
+        root.destroy()
+        tkinter.NoDefaultRoot()
+        self.assertRaises(RuntimeError, font.nametofont, fontname)
+
 
 tests_gui = (FontTest, DefaultRootTest)
 

Lib/tkinter/test/test_tkinter/test_messagebox.py

@@ -0,0 +1,38 @@
+import unittest
+import tkinter
+from test.support import requires, run_unittest, swap_attr
+from tkinter.test.support import AbstractDefaultRootTest
+from tkinter.commondialog import Dialog
+from tkinter.messagebox import showinfo
+
+requires('gui')
+
+
+class DefaultRootTest(AbstractDefaultRootTest, unittest.TestCase):
+
+    def test_showinfo(self):
+        def test_callback(dialog, master):
+            nonlocal ismapped
+            master.update()
+            ismapped = master.winfo_ismapped()
+            raise ZeroDivisionError
+
+        with swap_attr(Dialog, '_test_callback', test_callback):
+            ismapped = None
+            self.assertRaises(ZeroDivisionError, showinfo, "Spam", "Egg Information")
+            self.assertEqual(ismapped, False)
+
+            root = tkinter.Tk()
+            ismapped = None
+            self.assertRaises(ZeroDivisionError, showinfo, "Spam", "Egg Information")
+            self.assertEqual(ismapped, True)
+            root.destroy()
+
+            tkinter.NoDefaultRoot()
+            self.assertRaises(RuntimeError, showinfo, "Spam", "Egg Information")
+
+
+tests_gui = (DefaultRootTest,)
+
+if __name__ == "__main__":
+    run_unittest(*tests_gui)

Lib/tkinter/test/test_tkinter/test_simpledialog.py

@@ -10,11 +10,23 @@ requires('gui')
 class DefaultRootTest(AbstractDefaultRootTest, unittest.TestCase):
 
     def test_askinteger(self):
-        self.assertRaises(RuntimeError, askinteger, "Go To Line", "Line number")
-        root = tkinter.Tk()
-        with swap_attr(Dialog, 'wait_window', lambda self, w: w.destroy()):
+        @staticmethod
+        def mock_wait_window(w):
+            nonlocal ismapped
+            ismapped = w.master.winfo_ismapped()
+            w.destroy()
+
+        with swap_attr(Dialog, 'wait_window', mock_wait_window):
+            ismapped = None
             askinteger("Go To Line", "Line number")
+            self.assertEqual(ismapped, False)
+
+            root = tkinter.Tk()
+            ismapped = None
+            askinteger("Go To Line", "Line number")
+            self.assertEqual(ismapped, True)
             root.destroy()
+
             tkinter.NoDefaultRoot()
             self.assertRaises(RuntimeError, askinteger, "Go To Line", "Line number")
 

Lib/tkinter/test/test_tkinter/test_widgets.py

@@ -22,7 +22,7 @@ def float_round(x):
 class AbstractToplevelTest(AbstractWidgetTest, PixelSizeTests):
     _conv_pad_pixels = noconv
 
-    def test_class(self):
+    def test_configure_class(self):
         widget = self.create()
         self.assertEqual(widget['class'],
                          widget.__class__.__name__.title())
@@ -31,7 +31,7 @@ class AbstractToplevelTest(AbstractWidgetTest, PixelSizeTests):
         widget2 = self.create(class_='Foo')
         self.assertEqual(widget2['class'], 'Foo')
 
-    def test_colormap(self):
+    def test_configure_colormap(self):
         widget = self.create()
         self.assertEqual(widget['colormap'], '')
         self.checkInvalidParam(widget, 'colormap', 'new',
@@ -39,7 +39,7 @@ class AbstractToplevelTest(AbstractWidgetTest, PixelSizeTests):
         widget2 = self.create(colormap='new')
         self.assertEqual(widget2['colormap'], 'new')
 
-    def test_container(self):
+    def test_configure_container(self):
         widget = self.create()
         self.assertEqual(widget['container'], 0 if self.wantobjects else '0')
         self.checkInvalidParam(widget, 'container', 1,
@@ -47,7 +47,7 @@ class AbstractToplevelTest(AbstractWidgetTest, PixelSizeTests):
         widget2 = self.create(container=True)
         self.assertEqual(widget2['container'], 1 if self.wantobjects else '1')
 
-    def test_visual(self):
+    def test_configure_visual(self):
         widget = self.create()
         self.assertEqual(widget['visual'], '')
         self.checkInvalidParam(widget, 'visual', 'default',
@@ -69,13 +69,13 @@ class ToplevelTest(AbstractToplevelTest, unittest.TestCase):
     def create(self, **kwargs):
         return tkinter.Toplevel(self.root, **kwargs)
 
-    def test_menu(self):
+    def test_configure_menu(self):
         widget = self.create()
         menu = tkinter.Menu(self.root)
         self.checkParam(widget, 'menu', menu, eq=widget_eq)
         self.checkParam(widget, 'menu', '')
 
-    def test_screen(self):
+    def test_configure_screen(self):
         widget = self.create()
         self.assertEqual(widget['screen'], '')
         try:
@@ -87,7 +87,7 @@ class ToplevelTest(AbstractToplevelTest, unittest.TestCase):
         widget2 = self.create(screen=display)
         self.assertEqual(widget2['screen'], display)
 
-    def test_use(self):
+    def test_configure_use(self):
         widget = self.create()
         self.assertEqual(widget['use'], '')
         parent = self.create(container=True)
@@ -124,14 +124,14 @@ class LabelFrameTest(AbstractToplevelTest, unittest.TestCase):
     def create(self, **kwargs):
         return tkinter.LabelFrame(self.root, **kwargs)
 
-    def test_labelanchor(self):
+    def test_configure_labelanchor(self):
         widget = self.create()
         self.checkEnumParam(widget, 'labelanchor',
                             'e', 'en', 'es', 'n', 'ne', 'nw',
                             's', 'se', 'sw', 'w', 'wn', 'ws')
         self.checkInvalidParam(widget, 'labelanchor', 'center')
 
-    def test_labelwidget(self):
+    def test_configure_labelwidget(self):
         widget = self.create()
         label = tkinter.Label(self.root, text='Mupp', name='foo')
         self.checkParam(widget, 'labelwidget', label, expected='.foo')
@@ -141,7 +141,7 @@ class LabelFrameTest(AbstractToplevelTest, unittest.TestCase):
 class AbstractLabelTest(AbstractWidgetTest, IntegerSizeTests):
     _conv_pixels = noconv
 
-    def test_highlightthickness(self):
+    def test_configure_highlightthickness(self):
         widget = self.create()
         self.checkPixelsParam(widget, 'highlightthickness',
                               0, 1.3, 2.6, 6, -2, '10p')
@@ -179,7 +179,7 @@ class ButtonTest(AbstractLabelTest, unittest.TestCase):
     def create(self, **kwargs):
         return tkinter.Button(self.root, **kwargs)
 
-    def test_default(self):
+    def test_configure_default(self):
         widget = self.create()
         self.checkEnumParam(widget, 'default', 'active', 'disabled', 'normal')
 
@@ -204,11 +204,11 @@ class CheckbuttonTest(AbstractLabelTest, unittest.TestCase):
         return tkinter.Checkbutton(self.root, **kwargs)
 
 
-    def test_offvalue(self):
+    def test_configure_offvalue(self):
         widget = self.create()
         self.checkParams(widget, 'offvalue', 1, 2.3, '', 'any string')
 
-    def test_onvalue(self):
+    def test_configure_onvalue(self):
         widget = self.create()
         self.checkParams(widget, 'onvalue', 1, 2.3, '', 'any string')
 
@@ -231,7 +231,7 @@ class RadiobuttonTest(AbstractLabelTest, unittest.TestCase):
     def create(self, **kwargs):
         return tkinter.Radiobutton(self.root, **kwargs)
 
-    def test_value(self):
+    def test_configure_value(self):
         widget = self.create()
         self.checkParams(widget, 'value', 1, 2.3, '', 'any string')
 
@@ -254,18 +254,19 @@ class MenubuttonTest(AbstractLabelTest, unittest.TestCase):
     def create(self, **kwargs):
         return tkinter.Menubutton(self.root, **kwargs)
 
-    def test_direction(self):
+    def test_configure_direction(self):
         widget = self.create()
         self.checkEnumParam(widget, 'direction',
                 'above', 'below', 'flush', 'left', 'right')
 
-    def test_height(self):
+    def test_configure_height(self):
         widget = self.create()
         self.checkIntegerParam(widget, 'height', 100, -100, 0, conv=str)
 
-    test_highlightthickness = StandardOptionsTests.test_highlightthickness
+    test_configure_highlightthickness = \
+        StandardOptionsTests.test_configure_highlightthickness
 
-    def test_image(self):
+    def test_configure_image(self):
         widget = self.create()
         image = tkinter.PhotoImage(master=self.root, name='image1')
         self.checkParam(widget, 'image', image, conv=str)
@@ -279,23 +280,23 @@ class MenubuttonTest(AbstractLabelTest, unittest.TestCase):
         if errmsg is not None:
             self.assertEqual(str(cm.exception), errmsg)
 
-    def test_menu(self):
+    def test_configure_menu(self):
         widget = self.create()
         menu = tkinter.Menu(widget, name='menu')
         self.checkParam(widget, 'menu', menu, eq=widget_eq)
         menu.destroy()
 
-    def test_padx(self):
+    def test_configure_padx(self):
         widget = self.create()
         self.checkPixelsParam(widget, 'padx', 3, 4.4, 5.6, '12m')
         self.checkParam(widget, 'padx', -2, expected=0)
 
-    def test_pady(self):
+    def test_configure_pady(self):
         widget = self.create()
         self.checkPixelsParam(widget, 'pady', 3, 4.4, 5.6, '12m')
         self.checkParam(widget, 'pady', -2, expected=0)
 
-    def test_width(self):
+    def test_configure_width(self):
         widget = self.create()
         self.checkIntegerParam(widget, 'width', 402, -402, 0, conv=str)
 
@@ -328,18 +329,18 @@ class EntryTest(AbstractWidgetTest, unittest.TestCase):
     def create(self, **kwargs):
         return tkinter.Entry(self.root, **kwargs)
 
-    def test_disabledbackground(self):
+    def test_configure_disabledbackground(self):
         widget = self.create()
         self.checkColorParam(widget, 'disabledbackground')
 
-    def test_insertborderwidth(self):
+    def test_configure_insertborderwidth(self):
         widget = self.create(insertwidth=100)
         self.checkPixelsParam(widget, 'insertborderwidth',
                               0, 1.3, 2.6, 6, -2, '10p')
         # insertborderwidth is bounded above by a half of insertwidth.
         self.checkParam(widget, 'insertborderwidth', 60, expected=100//2)
 
-    def test_insertwidth(self):
+    def test_configure_insertwidth(self):
         widget = self.create()
         self.checkPixelsParam(widget, 'insertwidth', 1.3, 3.6, '10p')
         self.checkParam(widget, 'insertwidth', 0.1, expected=2)
@@ -349,32 +350,32 @@ class EntryTest(AbstractWidgetTest, unittest.TestCase):
         else:
             self.checkParam(widget, 'insertwidth', 0.9, expected=1)
 
-    def test_invalidcommand(self):
+    def test_configure_invalidcommand(self):
         widget = self.create()
         self.checkCommandParam(widget, 'invalidcommand')
         self.checkCommandParam(widget, 'invcmd')
 
-    def test_readonlybackground(self):
+    def test_configure_readonlybackground(self):
         widget = self.create()
         self.checkColorParam(widget, 'readonlybackground')
 
-    def test_show(self):
+    def test_configure_show(self):
         widget = self.create()
         self.checkParam(widget, 'show', '*')
         self.checkParam(widget, 'show', '')
         self.checkParam(widget, 'show', ' ')
 
-    def test_state(self):
+    def test_configure_state(self):
         widget = self.create()
         self.checkEnumParam(widget, 'state',
                             'disabled', 'normal', 'readonly')
 
-    def test_validate(self):
+    def test_configure_validate(self):
         widget = self.create()
         self.checkEnumParam(widget, 'validate',
                 'all', 'key', 'focus', 'focusin', 'focusout', 'none')
 
-    def test_validatecommand(self):
+    def test_configure_validatecommand(self):
         widget = self.create()
         self.checkCommandParam(widget, 'validatecommand')
         self.checkCommandParam(widget, 'vcmd')
@@ -427,25 +428,25 @@ class SpinboxTest(EntryTest, unittest.TestCase):
     def create(self, **kwargs):
         return tkinter.Spinbox(self.root, **kwargs)
 
-    test_show = None
+    test_configure_show = None
 
-    def test_buttonbackground(self):
+    def test_configure_buttonbackground(self):
         widget = self.create()
         self.checkColorParam(widget, 'buttonbackground')
 
-    def test_buttoncursor(self):
+    def test_configure_buttoncursor(self):
         widget = self.create()
         self.checkCursorParam(widget, 'buttoncursor')
 
-    def test_buttondownrelief(self):
+    def test_configure_buttondownrelief(self):
         widget = self.create()
         self.checkReliefParam(widget, 'buttondownrelief')
 
-    def test_buttonuprelief(self):
+    def test_configure_buttonuprelief(self):
         widget = self.create()
         self.checkReliefParam(widget, 'buttonuprelief')
 
-    def test_format(self):
+    def test_configure_format(self):
         widget = self.create()
         self.checkParam(widget, 'format', '%2f')
         self.checkParam(widget, 'format', '%2.2f')
@@ -460,25 +461,25 @@ class SpinboxTest(EntryTest, unittest.TestCase):
         self.checkParam(widget, 'format', '%09.200f')
         self.checkInvalidParam(widget, 'format', '%d')
 
-    def test_from(self):
+    def test_configure_from(self):
         widget = self.create()
         self.checkParam(widget, 'to', 100.0)
         self.checkFloatParam(widget, 'from', -10, 10.2, 11.7)
         self.checkInvalidParam(widget, 'from', 200,
                 errmsg='-to value must be greater than -from value')
 
-    def test_increment(self):
+    def test_configure_increment(self):
         widget = self.create()
         self.checkFloatParam(widget, 'increment', -1, 1, 10.2, 12.8, 0)
 
-    def test_to(self):
+    def test_configure_to(self):
         widget = self.create()
         self.checkParam(widget, 'from', -100.0)
         self.checkFloatParam(widget, 'to', -10, 10.2, 11.7)
         self.checkInvalidParam(widget, 'to', -200,
                 errmsg='-to value must be greater than -from value')
 
-    def test_values(self):
+    def test_configure_values(self):
         # XXX
         widget = self.create()
         self.assertEqual(widget['values'], '')
@@ -489,7 +490,7 @@ class SpinboxTest(EntryTest, unittest.TestCase):
                         expected='42 3.14 {} {any string}')
         self.checkParam(widget, 'values', '')
 
-    def test_wrap(self):
+    def test_configure_wrap(self):
         widget = self.create()
         self.checkBooleanParam(widget, 'wrap')
 
@@ -555,17 +556,17 @@ class TextTest(AbstractWidgetTest, unittest.TestCase):
     def create(self, **kwargs):
         return tkinter.Text(self.root, **kwargs)
 
-    def test_autoseparators(self):
+    def test_configure_autoseparators(self):
         widget = self.create()
         self.checkBooleanParam(widget, 'autoseparators')
 
     @requires_tcl(8, 5)
-    def test_blockcursor(self):
+    def test_configure_blockcursor(self):
         widget = self.create()
         self.checkBooleanParam(widget, 'blockcursor')
 
     @requires_tcl(8, 5)
-    def test_endline(self):
+    def test_configure_endline(self):
         widget = self.create()
         text = '\n'.join('Line %d' for i in range(100))
         widget.insert('end', text)
@@ -578,50 +579,50 @@ class TextTest(AbstractWidgetTest, unittest.TestCase):
         self.checkInvalidParam(widget, 'endline', 10,
                 errmsg='-startline must be less than or equal to -endline')
 
-    def test_height(self):
+    def test_configure_height(self):
         widget = self.create()
         self.checkPixelsParam(widget, 'height', 100, 101.2, 102.6, '3c')
         self.checkParam(widget, 'height', -100, expected=1)
         self.checkParam(widget, 'height', 0, expected=1)
 
-    def test_maxundo(self):
+    def test_configure_maxundo(self):
         widget = self.create()
         self.checkIntegerParam(widget, 'maxundo', 0, 5, -1)
 
     @requires_tcl(8, 5)
-    def test_inactiveselectbackground(self):
+    def test_configure_inactiveselectbackground(self):
         widget = self.create()
         self.checkColorParam(widget, 'inactiveselectbackground')
 
     @requires_tcl(8, 6)
-    def test_insertunfocussed(self):
+    def test_configure_insertunfocussed(self):
         widget = self.create()
         self.checkEnumParam(widget, 'insertunfocussed',
                             'hollow', 'none', 'solid')
 
-    def test_selectborderwidth(self):
+    def test_configure_selectborderwidth(self):
         widget = self.create()
         self.checkPixelsParam(widget, 'selectborderwidth',
                               1.3, 2.6, -2, '10p', conv=noconv,
                               keep_orig=tcl_version >= (8, 5))
 
-    def test_spacing1(self):
+    def test_configure_spacing1(self):
         widget = self.create()
         self.checkPixelsParam(widget, 'spacing1', 20, 21.4, 22.6, '0.5c')
         self.checkParam(widget, 'spacing1', -5, expected=0)
 
-    def test_spacing2(self):
+    def test_configure_spacing2(self):
         widget = self.create()
         self.checkPixelsParam(widget, 'spacing2', 5, 6.4, 7.6, '0.1c')
         self.checkParam(widget, 'spacing2', -1, expected=0)
 
-    def test_spacing3(self):
+    def test_configure_spacing3(self):
         widget = self.create()
         self.checkPixelsParam(widget, 'spacing3', 20, 21.4, 22.6, '0.5c')
         self.checkParam(widget, 'spacing3', -10, expected=0)
 
     @requires_tcl(8, 5)
-    def test_startline(self):
+    def test_configure_startline(self):
         widget = self.create()
         text = '\n'.join('Line %d' for i in range(100))
         widget.insert('end', text)
@@ -634,14 +635,14 @@ class TextTest(AbstractWidgetTest, unittest.TestCase):
         self.checkInvalidParam(widget, 'startline', 70,
                 errmsg='-startline must be less than or equal to -endline')
 
-    def test_state(self):
+    def test_configure_state(self):
         widget = self.create()
         if tcl_version < (8, 5):
             self.checkParams(widget, 'state', 'disabled', 'normal')
         else:
             self.checkEnumParam(widget, 'state', 'disabled', 'normal')
 
-    def test_tabs(self):
+    def test_configure_tabs(self):
         widget = self.create()
         if get_tk_patchlevel() < (8, 5, 11):
             self.checkParam(widget, 'tabs', (10.2, 20.7, '1i', '2i'),
@@ -657,21 +658,21 @@ class TextTest(AbstractWidgetTest, unittest.TestCase):
                                keep_orig=tcl_version >= (8, 5))
 
     @requires_tcl(8, 5)
-    def test_tabstyle(self):
+    def test_configure_tabstyle(self):
         widget = self.create()
         self.checkEnumParam(widget, 'tabstyle', 'tabular', 'wordprocessor')
 
-    def test_undo(self):
+    def test_configure_undo(self):
         widget = self.create()
         self.checkBooleanParam(widget, 'undo')
 
-    def test_width(self):
+    def test_configure_width(self):
         widget = self.create()
         self.checkIntegerParam(widget, 'width', 402)
         self.checkParam(widget, 'width', -402, expected=1)
         self.checkParam(widget, 'width', 0, expected=1)
 
-    def test_wrap(self):
+    def test_configure_wrap(self):
         widget = self.create()
         if tcl_version < (8, 5):
             self.checkParams(widget, 'wrap', 'char', 'none', 'word')
@@ -709,16 +710,16 @@ class CanvasTest(AbstractWidgetTest, unittest.TestCase):
     def create(self, **kwargs):
         return tkinter.Canvas(self.root, **kwargs)
 
-    def test_closeenough(self):
+    def test_configure_closeenough(self):
         widget = self.create()
         self.checkFloatParam(widget, 'closeenough', 24, 2.4, 3.6, -3,
                              conv=float)
 
-    def test_confine(self):
+    def test_configure_confine(self):
         widget = self.create()
         self.checkBooleanParam(widget, 'confine')
 
-    def test_offset(self):
+    def test_configure_offset(self):
         widget = self.create()
         self.assertEqual(widget['offset'], '0,0')
         self.checkParams(widget, 'offset',
@@ -727,7 +728,7 @@ class CanvasTest(AbstractWidgetTest, unittest.TestCase):
         self.checkParam(widget, 'offset', '#5,6')
         self.checkInvalidParam(widget, 'offset', 'spam')
 
-    def test_scrollregion(self):
+    def test_configure_scrollregion(self):
         widget = self.create()
         self.checkParam(widget, 'scrollregion', '0 0 200 150')
         self.checkParam(widget, 'scrollregion', (0, 0, 200, 150),
@@ -739,17 +740,17 @@ class CanvasTest(AbstractWidgetTest, unittest.TestCase):
         self.checkInvalidParam(widget, 'scrollregion', (0, 0, 200))
         self.checkInvalidParam(widget, 'scrollregion', (0, 0, 200, 150, 0))
 
-    def test_state(self):
+    def test_configure_state(self):
         widget = self.create()
         self.checkEnumParam(widget, 'state', 'disabled', 'normal',
                 errmsg='bad state value "{}": must be normal or disabled')
 
-    def test_xscrollincrement(self):
+    def test_configure_xscrollincrement(self):
         widget = self.create()
         self.checkPixelsParam(widget, 'xscrollincrement',
                               40, 0, 41.2, 43.6, -40, '0.5i')
 
-    def test_yscrollincrement(self):
+    def test_configure_yscrollincrement(self):
         widget = self.create()
         self.checkPixelsParam(widget, 'yscrollincrement',
                               10, 0, 11.2, 13.6, -10, '0.1i')
@@ -794,26 +795,26 @@ class ListboxTest(AbstractWidgetTest, unittest.TestCase):
     def create(self, **kwargs):
         return tkinter.Listbox(self.root, **kwargs)
 
-    def test_activestyle(self):
+    def test_configure_activestyle(self):
         widget = self.create()
         self.checkEnumParam(widget, 'activestyle',
                             'dotbox', 'none', 'underline')
 
-    test_justify = requires_tcl(8, 6, 5)(StandardOptionsTests.test_justify)
+    test_justify = requires_tcl(8, 6, 5)(StandardOptionsTests.test_configure_justify)
 
-    def test_listvariable(self):
+    def test_configure_listvariable(self):
         widget = self.create()
         var = tkinter.DoubleVar(self.root)
         self.checkVariableParam(widget, 'listvariable', var)
 
-    def test_selectmode(self):
+    def test_configure_selectmode(self):
         widget = self.create()
         self.checkParam(widget, 'selectmode', 'single')
         self.checkParam(widget, 'selectmode', 'browse')
         self.checkParam(widget, 'selectmode', 'multiple')
         self.checkParam(widget, 'selectmode', 'extended')
 
-    def test_state(self):
+    def test_configure_state(self):
         widget = self.create()
         self.checkEnumParam(widget, 'state', 'disabled', 'normal')
 
@@ -928,53 +929,53 @@ class ScaleTest(AbstractWidgetTest, unittest.TestCase):
     def create(self, **kwargs):
         return tkinter.Scale(self.root, **kwargs)
 
-    def test_bigincrement(self):
+    def test_configure_bigincrement(self):
         widget = self.create()
         self.checkFloatParam(widget, 'bigincrement', 12.4, 23.6, -5)
 
-    def test_digits(self):
+    def test_configure_digits(self):
         widget = self.create()
         self.checkIntegerParam(widget, 'digits', 5, 0)
 
-    def test_from(self):
+    def test_configure_from(self):
         widget = self.create()
         conv = False if get_tk_patchlevel() >= (8, 6, 10) else float_round
         self.checkFloatParam(widget, 'from', 100, 14.9, 15.1, conv=conv)
 
-    def test_label(self):
+    def test_configure_label(self):
         widget = self.create()
         self.checkParam(widget, 'label', 'any string')
         self.checkParam(widget, 'label', '')
 
-    def test_length(self):
+    def test_configure_length(self):
         widget = self.create()
         self.checkPixelsParam(widget, 'length', 130, 131.2, 135.6, '5i')
 
-    def test_resolution(self):
+    def test_configure_resolution(self):
         widget = self.create()
         self.checkFloatParam(widget, 'resolution', 4.2, 0, 6.7, -2)
 
-    def test_showvalue(self):
+    def test_configure_showvalue(self):
         widget = self.create()
         self.checkBooleanParam(widget, 'showvalue')
 
-    def test_sliderlength(self):
+    def test_configure_sliderlength(self):
         widget = self.create()
         self.checkPixelsParam(widget, 'sliderlength',
                               10, 11.2, 15.6, -3, '3m')
 
-    def test_sliderrelief(self):
+    def test_configure_sliderrelief(self):
         widget = self.create()
         self.checkReliefParam(widget, 'sliderrelief')
 
-    def test_tickinterval(self):
+    def test_configure_tickinterval(self):
         widget = self.create()
         self.checkFloatParam(widget, 'tickinterval', 1, 4.3, 7.6, 0,
                              conv=float_round)
         self.checkParam(widget, 'tickinterval', -2, expected=2,
                         conv=float_round)
 
-    def test_to(self):
+    def test_configure_to(self):
         widget = self.create()
         self.checkFloatParam(widget, 'to', 300, 14.9, 15.1, -10,
                              conv=float_round)
@@ -998,15 +999,15 @@ class ScrollbarTest(AbstractWidgetTest, unittest.TestCase):
     def create(self, **kwargs):
         return tkinter.Scrollbar(self.root, **kwargs)
 
-    def test_activerelief(self):
+    def test_configure_activerelief(self):
         widget = self.create()
         self.checkReliefParam(widget, 'activerelief')
 
-    def test_elementborderwidth(self):
+    def test_configure_elementborderwidth(self):
         widget = self.create()
         self.checkPixelsParam(widget, 'elementborderwidth', 4.3, 5.6, -2, '1m')
 
-    def test_orient(self):
+    def test_configure_orient(self):
         widget = self.create()
         self.checkEnumParam(widget, 'orient', 'vertical', 'horizontal',
                 errmsg='bad orientation "{}": must be vertical or horizontal')
@@ -1047,63 +1048,63 @@ class PanedWindowTest(AbstractWidgetTest, unittest.TestCase):
     def create(self, **kwargs):
         return tkinter.PanedWindow(self.root, **kwargs)
 
-    def test_handlepad(self):
+    def test_configure_handlepad(self):
         widget = self.create()
         self.checkPixelsParam(widget, 'handlepad', 5, 6.4, 7.6, -3, '1m')
 
-    def test_handlesize(self):
+    def test_configure_handlesize(self):
         widget = self.create()
         self.checkPixelsParam(widget, 'handlesize', 8, 9.4, 10.6, -3, '2m',
                               conv=noconv)
 
-    def test_height(self):
+    def test_configure_height(self):
         widget = self.create()
         self.checkPixelsParam(widget, 'height', 100, 101.2, 102.6, -100, 0, '1i',
                               conv=noconv)
 
-    def test_opaqueresize(self):
+    def test_configure_opaqueresize(self):
         widget = self.create()
         self.checkBooleanParam(widget, 'opaqueresize')
 
     @requires_tcl(8, 6, 5)
-    def test_proxybackground(self):
+    def test_configure_proxybackground(self):
         widget = self.create()
         self.checkColorParam(widget, 'proxybackground')
 
     @requires_tcl(8, 6, 5)
-    def test_proxyborderwidth(self):
+    def test_configure_proxyborderwidth(self):
         widget = self.create()
         self.checkPixelsParam(widget, 'proxyborderwidth',
                               0, 1.3, 2.9, 6, -2, '10p',
                               conv=noconv)
 
     @requires_tcl(8, 6, 5)
-    def test_proxyrelief(self):
+    def test_configure_proxyrelief(self):
         widget = self.create()
         self.checkReliefParam(widget, 'proxyrelief')
 
-    def test_sashcursor(self):
+    def test_configure_sashcursor(self):
         widget = self.create()
         self.checkCursorParam(widget, 'sashcursor')
 
-    def test_sashpad(self):
+    def test_configure_sashpad(self):
         widget = self.create()
         self.checkPixelsParam(widget, 'sashpad', 8, 1.3, 2.6, -2, '2m')
 
-    def test_sashrelief(self):
+    def test_configure_sashrelief(self):
         widget = self.create()
         self.checkReliefParam(widget, 'sashrelief')
 
-    def test_sashwidth(self):
+    def test_configure_sashwidth(self):
         widget = self.create()
         self.checkPixelsParam(widget, 'sashwidth', 10, 11.1, 15.6, -3, '1m',
                               conv=noconv)
 
-    def test_showhandle(self):
+    def test_configure_showhandle(self):
         widget = self.create()
         self.checkBooleanParam(widget, 'showhandle')
 
-    def test_width(self):
+    def test_configure_width(self):
         widget = self.create()
         self.checkPixelsParam(widget, 'width', 402, 403.4, 404.6, -402, 0, '5i',
                               conv=noconv)
@@ -1222,23 +1223,23 @@ class MenuTest(AbstractWidgetTest, unittest.TestCase):
     def create(self, **kwargs):
         return tkinter.Menu(self.root, **kwargs)
 
-    def test_postcommand(self):
+    def test_configure_postcommand(self):
         widget = self.create()
         self.checkCommandParam(widget, 'postcommand')
 
-    def test_tearoff(self):
+    def test_configure_tearoff(self):
         widget = self.create()
         self.checkBooleanParam(widget, 'tearoff')
 
-    def test_tearoffcommand(self):
+    def test_configure_tearoffcommand(self):
         widget = self.create()
         self.checkCommandParam(widget, 'tearoffcommand')
 
-    def test_title(self):
+    def test_configure_title(self):
         widget = self.create()
         self.checkParam(widget, 'title', 'any string')
 
-    def test_type(self):
+    def test_configure_type(self):
         widget = self.create()
         self.checkEnumParam(widget, 'type',
                 'normal', 'tearoff', 'menubar')
@@ -1291,7 +1292,7 @@ class MessageTest(AbstractWidgetTest, unittest.TestCase):
     def create(self, **kwargs):
         return tkinter.Message(self.root, **kwargs)
 
-    def test_aspect(self):
+    def test_configure_aspect(self):
         widget = self.create()
         self.checkIntegerParam(widget, 'aspect', 250, 0, -300)
 

Lib/tkinter/test/test_ttk/test_widgets.py

@@ -16,7 +16,7 @@ requires('gui')
 
 class StandardTtkOptionsTests(StandardOptionsTests):
 
-    def test_class(self):
+    def test_configure_class(self):
         widget = self.create()
         self.assertEqual(widget['class'], '')
         errmsg='attempt to change read-only option'
@@ -26,7 +26,7 @@ class StandardTtkOptionsTests(StandardOptionsTests):
         widget2 = self.create(class_='Foo')
         self.assertEqual(widget2['class'], 'Foo')
 
-    def test_padding(self):
+    def test_configure_padding(self):
         widget = self.create()
         self.checkParam(widget, 'padding', 0, expected=('0',))
         self.checkParam(widget, 'padding', 5, expected=('5',))
@@ -38,7 +38,7 @@ class StandardTtkOptionsTests(StandardOptionsTests):
         self.checkParam(widget, 'padding', ('5p', '6p', '7p', '8p'))
         self.checkParam(widget, 'padding', (), expected='')
 
-    def test_style(self):
+    def test_configure_style(self):
         widget = self.create()
         self.assertEqual(widget['style'], '')
         errmsg = 'Layout Foo not found'
@@ -139,14 +139,14 @@ class LabelFrameTest(AbstractToplevelTest, unittest.TestCase):
     def create(self, **kwargs):
         return ttk.LabelFrame(self.root, **kwargs)
 
-    def test_labelanchor(self):
+    def test_configure_labelanchor(self):
         widget = self.create()
         self.checkEnumParam(widget, 'labelanchor',
                 'e', 'en', 'es', 'n', 'ne', 'nw', 's', 'se', 'sw', 'w', 'wn', 'ws',
                 errmsg='Bad label anchor specification {}')
         self.checkInvalidParam(widget, 'labelanchor', 'center')
 
-    def test_labelwidget(self):
+    def test_configure_labelwidget(self):
         widget = self.create()
         label = ttk.Label(self.root, text='Mupp', name='foo')
         self.checkParam(widget, 'labelwidget', label, expected='.foo')
@@ -168,17 +168,17 @@ class AbstractLabelTest(AbstractWidgetTest):
         self.checkInvalidParam(widget, name, 'spam',
                 errmsg='image "spam" doesn\'t exist')
 
-    def test_compound(self):
+    def test_configure_compound(self):
         widget = self.create()
         self.checkEnumParam(widget, 'compound',
                 'none', 'text', 'image', 'center',
                 'top', 'bottom', 'left', 'right')
 
-    def test_state(self):
+    def test_configure_state(self):
         widget = self.create()
         self.checkParams(widget, 'state', 'active', 'disabled', 'normal')
 
-    def test_width(self):
+    def test_configure_width(self):
         widget = self.create()
         self.checkParams(widget, 'width', 402, -402, 0)
 
@@ -197,7 +197,7 @@ class LabelTest(AbstractLabelTest, unittest.TestCase):
     def create(self, **kwargs):
         return ttk.Label(self.root, **kwargs)
 
-    def test_font(self):
+    def test_configure_font(self):
         widget = self.create()
         self.checkParam(widget, 'font',
                         '-Adobe-Helvetica-Medium-R-Normal--*-120-*-*-*-*-*-*')
@@ -215,7 +215,7 @@ class ButtonTest(AbstractLabelTest, unittest.TestCase):
     def create(self, **kwargs):
         return ttk.Button(self.root, **kwargs)
 
-    def test_default(self):
+    def test_configure_default(self):
         widget = self.create()
         self.checkEnumParam(widget, 'default', 'normal', 'active', 'disabled')
 
@@ -240,11 +240,11 @@ class CheckbuttonTest(AbstractLabelTest, unittest.TestCase):
     def create(self, **kwargs):
         return ttk.Checkbutton(self.root, **kwargs)
 
-    def test_offvalue(self):
+    def test_configure_offvalue(self):
         widget = self.create()
         self.checkParams(widget, 'offvalue', 1, 2.3, '', 'any string')
 
-    def test_onvalue(self):
+    def test_configure_onvalue(self):
         widget = self.create()
         self.checkParams(widget, 'onvalue', 1, 2.3, '', 'any string')
 
@@ -292,27 +292,27 @@ class EntryTest(AbstractWidgetTest, unittest.TestCase):
     def create(self, **kwargs):
         return ttk.Entry(self.root, **kwargs)
 
-    def test_invalidcommand(self):
+    def test_configure_invalidcommand(self):
         widget = self.create()
         self.checkCommandParam(widget, 'invalidcommand')
 
-    def test_show(self):
+    def test_configure_show(self):
         widget = self.create()
         self.checkParam(widget, 'show', '*')
         self.checkParam(widget, 'show', '')
         self.checkParam(widget, 'show', ' ')
 
-    def test_state(self):
+    def test_configure_state(self):
         widget = self.create()
         self.checkParams(widget, 'state',
                          'disabled', 'normal', 'readonly')
 
-    def test_validate(self):
+    def test_configure_validate(self):
         widget = self.create()
         self.checkEnumParam(widget, 'validate',
                 'all', 'key', 'focus', 'focusin', 'focusout', 'none')
 
-    def test_validatecommand(self):
+    def test_configure_validatecommand(self):
         widget = self.create()
         self.checkCommandParam(widget, 'validatecommand')
 
@@ -429,7 +429,7 @@ class ComboboxTest(EntryTest, unittest.TestCase):
     def create(self, **kwargs):
         return ttk.Combobox(self.root, **kwargs)
 
-    def test_height(self):
+    def test_configure_height(self):
         widget = self.create()
         self.checkParams(widget, 'height', 100, 101.2, 102.6, -100, 0, '1i')
 
@@ -459,7 +459,7 @@ class ComboboxTest(EntryTest, unittest.TestCase):
         self.assertTrue(success)
 
 
-    def test_postcommand(self):
+    def test_configure_postcommand(self):
         success = []
 
         self.combo['postcommand'] = lambda: success.append(True)
@@ -475,7 +475,7 @@ class ComboboxTest(EntryTest, unittest.TestCase):
         self.assertEqual(len(success), 1)
 
 
-    def test_values(self):
+    def test_configure_values(self):
         def check_get_current(getval, currval):
             self.assertEqual(self.combo.get(), getval)
             self.assertEqual(self.combo.current(), currval)
@@ -551,7 +551,7 @@ class PanedWindowTest(AbstractWidgetTest, unittest.TestCase):
     def create(self, **kwargs):
         return ttk.PanedWindow(self.root, **kwargs)
 
-    def test_orient(self):
+    def test_configure_orient(self):
         widget = self.create()
         self.assertEqual(str(widget['orient']), 'vertical')
         errmsg='attempt to change read-only option'
@@ -684,11 +684,11 @@ class RadiobuttonTest(AbstractLabelTest, unittest.TestCase):
     def create(self, **kwargs):
         return ttk.Radiobutton(self.root, **kwargs)
 
-    def test_value(self):
+    def test_configure_value(self):
         widget = self.create()
         self.checkParams(widget, 'value', 1, 2.3, '', 'any string')
 
-    def test_invoke(self):
+    def test_configure_invoke(self):
         success = []
         def cb_test():
             success.append(1)
@@ -739,7 +739,7 @@ class MenubuttonTest(AbstractLabelTest, unittest.TestCase):
         self.checkEnumParam(widget, 'direction',
                 'above', 'below', 'left', 'right', 'flush')
 
-    def test_menu(self):
+    def test_configure_menu(self):
         widget = self.create()
         menu = tkinter.Menu(widget, name='menu')
         self.checkParam(widget, 'menu', menu, conv=str)
@@ -764,19 +764,19 @@ class ScaleTest(AbstractWidgetTest, unittest.TestCase):
     def create(self, **kwargs):
         return ttk.Scale(self.root, **kwargs)
 
-    def test_from(self):
+    def test_configure_from(self):
         widget = self.create()
         self.checkFloatParam(widget, 'from', 100, 14.9, 15.1, conv=False)
 
-    def test_length(self):
+    def test_configure_length(self):
         widget = self.create()
         self.checkPixelsParam(widget, 'length', 130, 131.2, 135.6, '5i')
 
-    def test_to(self):
+    def test_configure_to(self):
         widget = self.create()
         self.checkFloatParam(widget, 'to', 300, 14.9, 15.1, -10, conv=False)
 
-    def test_value(self):
+    def test_configure_value(self):
         widget = self.create()
         self.checkFloatParam(widget, 'value', 300, 14.9, 15.1, -10, conv=False)
 
@@ -866,23 +866,23 @@ class ProgressbarTest(AbstractWidgetTest, unittest.TestCase):
     def create(self, **kwargs):
         return ttk.Progressbar(self.root, **kwargs)
 
-    def test_length(self):
+    def test_configure_length(self):
         widget = self.create()
         self.checkPixelsParam(widget, 'length', 100.1, 56.7, '2i')
 
-    def test_maximum(self):
+    def test_configure_maximum(self):
         widget = self.create()
         self.checkFloatParam(widget, 'maximum', 150.2, 77.7, 0, -10, conv=False)
 
-    def test_mode(self):
+    def test_configure_mode(self):
         widget = self.create()
         self.checkEnumParam(widget, 'mode', 'determinate', 'indeterminate')
 
-    def test_phase(self):
+    def test_configure_phase(self):
         # XXX
         pass
 
-    def test_value(self):
+    def test_configure_value(self):
         widget = self.create()
         self.checkFloatParam(widget, 'value', 150.2, 77.7, 0, -10,
                              conv=False)
@@ -1071,7 +1071,7 @@ class NotebookTest(AbstractWidgetTest, unittest.TestCase):
         self.assertEqual(self.nb.tab(self.child1, 'text'), 'abc')
 
 
-    def test_tabs(self):
+    def test_configure_tabs(self):
         self.assertEqual(len(self.nb.tabs()), 2)
 
         self.nb.forget(self.child1)
@@ -1147,7 +1147,7 @@ class SpinboxTest(EntryTest, unittest.TestCase):
         self.spin.event_generate('<ButtonRelease-1>', x=x, y=y)
         self.spin.update_idletasks()
 
-    def test_command(self):
+    def test_configure_command(self):
         success = []
 
         self.spin['command'] = lambda: success.append(True)
@@ -1167,7 +1167,7 @@ class SpinboxTest(EntryTest, unittest.TestCase):
         self.spin.update()
         self.assertEqual(len(success), 2)
 
-    def test_to(self):
+    def test_configure_to(self):
         self.spin['from'] = 0
         self.spin['to'] = 5
         self.spin.set(4)
@@ -1179,7 +1179,7 @@ class SpinboxTest(EntryTest, unittest.TestCase):
         self._click_increment_arrow()  # 5
         self.assertEqual(self.spin.get(), '5')
 
-    def test_from(self):
+    def test_configure_from(self):
         self.spin['from'] = 1
         self.spin['to'] = 10
         self.spin.set(2)
@@ -1189,7 +1189,7 @@ class SpinboxTest(EntryTest, unittest.TestCase):
         self._click_decrement_arrow()  # 1
         self.assertEqual(self.spin.get(), '1')
 
-    def test_increment(self):
+    def test_configure_increment(self):
         self.spin['from'] = 0
         self.spin['to'] = 10
         self.spin['increment'] = 4
@@ -1203,7 +1203,7 @@ class SpinboxTest(EntryTest, unittest.TestCase):
         self._click_decrement_arrow()  # 3
         self.assertEqual(self.spin.get(), '3')
 
-    def test_format(self):
+    def test_configure_format(self):
         self.spin.set(1)
         self.spin['format'] = '%10.3f'
         self.spin.update()
@@ -1220,7 +1220,7 @@ class SpinboxTest(EntryTest, unittest.TestCase):
         self.assertTrue('.' not in value)
         self.assertEqual(len(value), 1)
 
-    def test_wrap(self):
+    def test_configure_wrap(self):
         self.spin['to'] = 10
         self.spin['from'] = 1
         self.spin.set(1)
@@ -1239,7 +1239,7 @@ class SpinboxTest(EntryTest, unittest.TestCase):
         self._click_decrement_arrow()
         self.assertEqual(self.spin.get(), '1')
 
-    def test_values(self):
+    def test_configure_values(self):
         self.assertEqual(self.spin['values'],
                          () if tcl_version < (8, 5) else '')
         self.checkParam(self.spin, 'values', 'mon tue wed thur',
@@ -1299,14 +1299,14 @@ class TreeviewTest(AbstractWidgetTest, unittest.TestCase):
     def create(self, **kwargs):
         return ttk.Treeview(self.root, **kwargs)
 
-    def test_columns(self):
+    def test_configure_columns(self):
         widget = self.create()
         self.checkParam(widget, 'columns', 'a b c',
                         expected=('a', 'b', 'c'))
         self.checkParam(widget, 'columns', ('a', 'b', 'c'))
         self.checkParam(widget, 'columns', '')
 
-    def test_displaycolumns(self):
+    def test_configure_displaycolumns(self):
         widget = self.create()
         widget['columns'] = ('a', 'b', 'c')
         self.checkParam(widget, 'displaycolumns', 'b a c',
@@ -1322,17 +1322,17 @@ class TreeviewTest(AbstractWidgetTest, unittest.TestCase):
         self.checkInvalidParam(widget, 'displaycolumns', (1, -2),
                                errmsg='Column index -2 out of bounds')
 
-    def test_height(self):
+    def test_configure_height(self):
         widget = self.create()
         self.checkPixelsParam(widget, 'height', 100, -100, 0, '3c', conv=False)
         self.checkPixelsParam(widget, 'height', 101.2, 102.6, conv=noconv)
 
-    def test_selectmode(self):
+    def test_configure_selectmode(self):
         widget = self.create()
         self.checkEnumParam(widget, 'selectmode',
                             'none', 'browse', 'extended')
 
-    def test_show(self):
+    def test_configure_show(self):
         widget = self.create()
         self.checkParam(widget, 'show', 'tree headings',
                         expected=('tree', 'headings'))

Lib/tkinter/test/widget_tests.py

@@ -242,31 +242,31 @@ class StandardOptionsTests:
         'underline', 'wraplength', 'xscrollcommand', 'yscrollcommand',
     )
 
-    def test_activebackground(self):
+    def test_configure_activebackground(self):
         widget = self.create()
         self.checkColorParam(widget, 'activebackground')
 
-    def test_activeborderwidth(self):
+    def test_configure_activeborderwidth(self):
         widget = self.create()
         self.checkPixelsParam(widget, 'activeborderwidth',
                               0, 1.3, 2.9, 6, -2, '10p')
 
-    def test_activeforeground(self):
+    def test_configure_activeforeground(self):
         widget = self.create()
         self.checkColorParam(widget, 'activeforeground')
 
-    def test_anchor(self):
+    def test_configure_anchor(self):
         widget = self.create()
         self.checkEnumParam(widget, 'anchor',
                 'n', 'ne', 'e', 'se', 's', 'sw', 'w', 'nw', 'center')
 
-    def test_background(self):
+    def test_configure_background(self):
         widget = self.create()
         self.checkColorParam(widget, 'background')
         if 'bg' in self.OPTIONS:
             self.checkColorParam(widget, 'bg')
 
-    def test_bitmap(self):
+    def test_configure_bitmap(self):
         widget = self.create()
         self.checkParam(widget, 'bitmap', 'questhead')
         self.checkParam(widget, 'bitmap', 'gray50')
@@ -279,88 +279,88 @@ class StandardOptionsTests:
             self.checkInvalidParam(widget, 'bitmap', 'spam',
                     errmsg='bitmap "spam" not defined')
 
-    def test_borderwidth(self):
+    def test_configure_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):
+    def test_configure_compound(self):
         widget = self.create()
         self.checkEnumParam(widget, 'compound',
                 'bottom', 'center', 'left', 'none', 'right', 'top')
 
-    def test_cursor(self):
+    def test_configure_cursor(self):
         widget = self.create()
         self.checkCursorParam(widget, 'cursor')
 
-    def test_disabledforeground(self):
+    def test_configure_disabledforeground(self):
         widget = self.create()
         self.checkColorParam(widget, 'disabledforeground')
 
-    def test_exportselection(self):
+    def test_configure_exportselection(self):
         widget = self.create()
         self.checkBooleanParam(widget, 'exportselection')
 
-    def test_font(self):
+    def test_configure_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):
+    def test_configure_foreground(self):
         widget = self.create()
         self.checkColorParam(widget, 'foreground')
         if 'fg' in self.OPTIONS:
             self.checkColorParam(widget, 'fg')
 
-    def test_highlightbackground(self):
+    def test_configure_highlightbackground(self):
         widget = self.create()
         self.checkColorParam(widget, 'highlightbackground')
 
-    def test_highlightcolor(self):
+    def test_configure_highlightcolor(self):
         widget = self.create()
         self.checkColorParam(widget, 'highlightcolor')
 
-    def test_highlightthickness(self):
+    def test_configure_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)
 
-    def test_image(self):
+    def test_configure_image(self):
         widget = self.create()
         self.checkImageParam(widget, 'image')
 
-    def test_insertbackground(self):
+    def test_configure_insertbackground(self):
         widget = self.create()
         self.checkColorParam(widget, 'insertbackground')
 
-    def test_insertborderwidth(self):
+    def test_configure_insertborderwidth(self):
         widget = self.create()
         self.checkPixelsParam(widget, 'insertborderwidth',
                               0, 1.3, 2.6, 6, -2, '10p')
 
-    def test_insertofftime(self):
+    def test_configure_insertofftime(self):
         widget = self.create()
         self.checkIntegerParam(widget, 'insertofftime', 100)
 
-    def test_insertontime(self):
+    def test_configure_insertontime(self):
         widget = self.create()
         self.checkIntegerParam(widget, 'insertontime', 100)
 
-    def test_insertwidth(self):
+    def test_configure_insertwidth(self):
         widget = self.create()
         self.checkPixelsParam(widget, 'insertwidth', 1.3, 2.6, -2, '10p')
 
-    def test_jump(self):
+    def test_configure_jump(self):
         widget = self.create()
         self.checkBooleanParam(widget, 'jump')
 
-    def test_justify(self):
+    def test_configure_justify(self):
         widget = self.create()
         self.checkEnumParam(widget, 'justify', 'left', 'right', 'center',
                 errmsg='bad justification "{}": must be '
@@ -369,154 +369,155 @@ class StandardOptionsTests:
                 errmsg='ambiguous justification "": must be '
                        'left, right, or center')
 
-    def test_orient(self):
+    def test_configure_orient(self):
         widget = self.create()
         self.assertEqual(str(widget['orient']), self.default_orient)
         self.checkEnumParam(widget, 'orient', 'horizontal', 'vertical')
 
-    def test_padx(self):
+    def test_configure_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):
+    def test_configure_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):
+    def test_configure_relief(self):
         widget = self.create()
         self.checkReliefParam(widget, 'relief')
 
-    def test_repeatdelay(self):
+    def test_configure_repeatdelay(self):
         widget = self.create()
         self.checkIntegerParam(widget, 'repeatdelay', -500, 500)
 
-    def test_repeatinterval(self):
+    def test_configure_repeatinterval(self):
         widget = self.create()
         self.checkIntegerParam(widget, 'repeatinterval', -500, 500)
 
-    def test_selectbackground(self):
+    def test_configure_selectbackground(self):
         widget = self.create()
         self.checkColorParam(widget, 'selectbackground')
 
-    def test_selectborderwidth(self):
+    def test_configure_selectborderwidth(self):
         widget = self.create()
         self.checkPixelsParam(widget, 'selectborderwidth', 1.3, 2.6, -2, '10p')
 
-    def test_selectforeground(self):
+    def test_configure_selectforeground(self):
         widget = self.create()
         self.checkColorParam(widget, 'selectforeground')
 
-    def test_setgrid(self):
+    def test_configure_setgrid(self):
         widget = self.create()
         self.checkBooleanParam(widget, 'setgrid')
 
-    def test_state(self):
+    def test_configure_state(self):
         widget = self.create()
         self.checkEnumParam(widget, 'state', 'active', 'disabled', 'normal')
 
-    def test_takefocus(self):
+    def test_configure_takefocus(self):
         widget = self.create()
         self.checkParams(widget, 'takefocus', '0', '1', '')
 
-    def test_text(self):
+    def test_configure_text(self):
         widget = self.create()
         self.checkParams(widget, 'text', '', 'any string')
 
-    def test_textvariable(self):
+    def test_configure_textvariable(self):
         widget = self.create()
         var = tkinter.StringVar(self.root)
         self.checkVariableParam(widget, 'textvariable', var)
 
-    def test_troughcolor(self):
+    def test_configure_troughcolor(self):
         widget = self.create()
         self.checkColorParam(widget, 'troughcolor')
 
-    def test_underline(self):
+    def test_configure_underline(self):
         widget = self.create()
         self.checkIntegerParam(widget, 'underline', 0, 1, 10)
 
-    def test_wraplength(self):
+    def test_configure_wraplength(self):
         widget = self.create()
         self.checkPixelsParam(widget, 'wraplength', 100)
 
-    def test_xscrollcommand(self):
+    def test_configure_xscrollcommand(self):
         widget = self.create()
         self.checkCommandParam(widget, 'xscrollcommand')
 
-    def test_yscrollcommand(self):
+    def test_configure_yscrollcommand(self):
         widget = self.create()
         self.checkCommandParam(widget, 'yscrollcommand')
 
     # non-standard but common options
 
-    def test_command(self):
+    def test_configure_command(self):
         widget = self.create()
         self.checkCommandParam(widget, 'command')
 
-    def test_indicatoron(self):
+    def test_configure_indicatoron(self):
         widget = self.create()
         self.checkBooleanParam(widget, 'indicatoron')
 
-    def test_offrelief(self):
+    def test_configure_offrelief(self):
         widget = self.create()
         self.checkReliefParam(widget, 'offrelief')
 
-    def test_overrelief(self):
+    def test_configure_overrelief(self):
         widget = self.create()
         self.checkReliefParam(widget, 'overrelief')
 
-    def test_selectcolor(self):
+    def test_configure_selectcolor(self):
         widget = self.create()
         self.checkColorParam(widget, 'selectcolor')
 
-    def test_selectimage(self):
+    def test_configure_selectimage(self):
         widget = self.create()
         self.checkImageParam(widget, 'selectimage')
 
     @requires_tcl(8, 5)
-    def test_tristateimage(self):
+    def test_configure_tristateimage(self):
         widget = self.create()
         self.checkImageParam(widget, 'tristateimage')
 
     @requires_tcl(8, 5)
-    def test_tristatevalue(self):
+    def test_configure_tristatevalue(self):
         widget = self.create()
         self.checkParam(widget, 'tristatevalue', 'unknowable')
 
-    def test_variable(self):
+    def test_configure_variable(self):
         widget = self.create()
         var = tkinter.DoubleVar(self.root)
         self.checkVariableParam(widget, 'variable', var)
 
 
 class IntegerSizeTests:
-    def test_height(self):
+    def test_configure_height(self):
         widget = self.create()
         self.checkIntegerParam(widget, 'height', 100, -100, 0)
 
-    def test_width(self):
+    def test_configure_width(self):
         widget = self.create()
         self.checkIntegerParam(widget, 'width', 402, -402, 0)
 
 
 class PixelSizeTests:
-    def test_height(self):
+    def test_configure_height(self):
         widget = self.create()
         self.checkPixelsParam(widget, 'height', 100, 101.2, 102.6, -100, 0, '3c')
 
-    def test_width(self):
+    def test_configure_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.
+    # This decorator adds test_configure_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
+            methodname = 'test_configure_' + option
             if not hasattr(cls, methodname):
                 for source_class in source_classes:
                     if hasattr(source_class, methodname):

Lib/tkinter/tix.py

@@ -386,7 +386,7 @@ class TixWidget(tkinter.Widget):
             self.tk.call(name, 'configure', '-' + option, value)
     # These are missing from Tkinter
     def image_create(self, imgtype, cnf={}, master=None, **kw):
-        if not master:
+        if master is None:
             master = self
         if kw and cnf: cnf = _cnfmerge((cnf, kw))
         elif kw: cnf = kw
@@ -467,7 +467,7 @@ class DisplayStyle:
     (multiple) Display Items"""
 
     def __init__(self, itemtype, cnf={}, *, master=None, **kw):
-        if not master:
+        if master is None:
             if 'refwindow' in kw:
                 master = kw['refwindow']
             elif 'refwindow' in cnf:
@@ -862,7 +862,7 @@ class HList(TixWidget, XView, YView):
         return self.tk.call(self._w, 'add', entry, *self._options(cnf, kw))
 
     def add_child(self, parent=None, cnf={}, **kw):
-        if not parent:
+        if parent is None:
             parent = ''
         return self.tk.call(
                      self._w, 'addchild', parent, *self._options(cnf, kw))

Lib/tkinter/ttk.py

@@ -569,7 +569,7 @@ class Widget(tkinter.Widget):
         matches statespec. statespec is expected to be a sequence."""
         ret = self.tk.getboolean(
                 self.tk.call(self._w, "instate", ' '.join(statespec)))
-        if ret and callback:
+        if ret and callback is not None:
             return callback(*args, **kw)
 
         return ret

Misc/NEWS.d/next/Library/2020-12-07-13-21-00.bpo-28964.UTQikc.rst

@@ -0,0 +1 @@
+:func:`ast.literal_eval` adds line number information (if available) in error message for malformed nodes.

Misc/NEWS.d/next/Library/2020-12-21-22-59-26.bpo-15303.zozVrq.rst

@@ -0,0 +1 @@
+:mod:`tkinter` supports now widgets with boolean value False.

Misc/NEWS.d/next/Library/2020-12-21-23-34-57.bpo-35728.9m-azF.rst

@@ -0,0 +1 @@
+Added a root parameter to :func:`tkinter.font.nametofont`.

Misc/NEWS.d/next/Library/2020-12-22-22-47-22.bpo-42721.I5Ai5L.rst

@@ -0,0 +1,9 @@
+When simple query dialogs (:mod:`tkinter.simpledialog`), message boxes
+(:mod:`tkinter.messagebox`) or color choose dialog
+(:mod:`tkinter.colorchooser`) are created without arguments *master* and
+*parent*, and the default root window is not yet created, and
+:func:`~tkinter.NoDefaultRoot` was not called, a new temporal
+hidden root window will be created automatically. It will not be set as the
+default root window and will be destroyed right after closing the dialog
+window. It will help to use these simple dialog windows in programs which
+do not need other GUI.