Issue #26177: Fixed the keys() method for Canvas and Scrollbar widgets.

Added few missed tests for configure options.

6 files changed, 183 insertions, 138 deletions

diff --git a/Lib/tkinter/__init__.py b/Lib/tkinter/__init__.py
index 4e642c6..8139e38 100644
--- a/Lib/tkinter/__init__.py
+++ b/Lib/tkinter/__init__.py
@@ -1337,8 +1337,9 @@ class Misc:
         self.configure({key: value})
     def keys(self):
         """Return a list of all resource names of this widget."""
-        return [x[0][1:] for x in
-                self.tk.splitlist(self.tk.call(self._w, 'configure'))]
+        splitlist = self.tk.splitlist
+        return [splitlist(x)[0][1:] for x in
+                splitlist(self.tk.call(self._w, 'configure'))]
     def __str__(self):
         """Return the window path name of this widget."""
         return self._w
diff --git a/Lib/tkinter/test/test_tkinter/test_geometry_managers.py b/Lib/tkinter/test/test_tkinter/test_geometry_managers.py
index e42b1be..c645d43 100644
--- a/Lib/tkinter/test/test_tkinter/test_geometry_managers.py
+++ b/Lib/tkinter/test/test_tkinter/test_geometry_managers.py
@@ -12,6 +12,8 @@ requires('gui')
 
 class PackTest(AbstractWidgetTest, unittest.TestCase):
 
+    test_keys = None
+
     def create2(self):
         pack = tkinter.Toplevel(self.root, name='pack')
         pack.wm_geometry('300x200+0+0')
@@ -276,6 +278,8 @@ class PackTest(AbstractWidgetTest, unittest.TestCase):
 
 class PlaceTest(AbstractWidgetTest, unittest.TestCase):
 
+    test_keys = None
+
     def create2(self):
         t = tkinter.Toplevel(self.root, width=300, height=200, bd=0)
         t.wm_geometry('300x200+0+0')
@@ -478,6 +482,8 @@ class PlaceTest(AbstractWidgetTest, unittest.TestCase):
 
 class GridTest(AbstractWidgetTest, unittest.TestCase):
 
+    test_keys = None
+
     def tearDown(self):
         cols, rows = self.root.grid_size()
         for i in range(cols + 1):
diff --git a/Lib/tkinter/test/test_tkinter/test_widgets.py b/Lib/tkinter/test/test_tkinter/test_widgets.py
index 7171667..c924d55 100644
--- a/Lib/tkinter/test/test_tkinter/test_widgets.py
+++ b/Lib/tkinter/test/test_tkinter/test_widgets.py
@@ -102,7 +102,7 @@ class FrameTest(AbstractToplevelTest, unittest.TestCase):
         'background', 'borderwidth',
         'class', 'colormap', 'container', 'cursor', 'height',
         'highlightbackground', 'highlightcolor', 'highlightthickness',
-        'relief', 'takefocus', 'visual', 'width',
+        'padx', 'pady', 'relief', 'takefocus', 'visual', 'width',
     )
 
     def create(self, **kwargs):
@@ -636,7 +636,7 @@ class CanvasTest(AbstractWidgetTest, unittest.TestCase):
         'highlightbackground', 'highlightcolor', 'highlightthickness',
         'insertbackground', 'insertborderwidth',
         'insertofftime', 'insertontime', 'insertwidth',
-        'relief', 'scrollregion',
+        'offset', 'relief', 'scrollregion',
         'selectbackground', 'selectborderwidth', 'selectforeground',
         'state', 'takefocus',
         'xscrollcommand', 'xscrollincrement',
@@ -658,6 +658,15 @@ class CanvasTest(AbstractWidgetTest, unittest.TestCase):
         widget = self.create()
         self.checkBooleanParam(widget, 'confine')
 
+    def test_offset(self):
+        widget = self.create()
+        self.assertEqual(widget['offset'], '0,0')
+        self.checkParams(widget, 'offset',
+                'n', 'ne', 'e', 'se', 's', 'sw', 'w', 'nw', 'center')
+        self.checkParam(widget, 'offset', '10,20')
+        self.checkParam(widget, 'offset', '#5,6')
+        self.checkInvalidParam(widget, 'offset', 'spam')
+
     def test_scrollregion(self):
         widget = self.create()
         self.checkParam(widget, 'scrollregion', '0 0 200 150')
diff --git a/Lib/tkinter/test/test_ttk/test_widgets.py b/Lib/tkinter/test/test_ttk/test_widgets.py
index afd3230..c031351 100644
--- a/Lib/tkinter/test/test_ttk/test_widgets.py
+++ b/Lib/tkinter/test/test_ttk/test_widgets.py
@@ -187,7 +187,7 @@ class AbstractLabelTest(AbstractWidgetTest):
 @add_standard_options(StandardTtkOptionsTests)
 class LabelTest(AbstractLabelTest, unittest.TestCase):
     OPTIONS = (
-        'anchor', 'background',
+        'anchor', 'background', 'borderwidth',
         'class', 'compound', 'cursor', 'font', 'foreground',
         'image', 'justify', 'padding', 'relief', 'state', 'style',
         'takefocus', 'text', 'textvariable',
@@ -208,7 +208,8 @@ class LabelTest(AbstractLabelTest, unittest.TestCase):
 class ButtonTest(AbstractLabelTest, unittest.TestCase):
     OPTIONS = (
         'class', 'command', 'compound', 'cursor', 'default',
-        'image', 'state', 'style', 'takefocus', 'text', 'textvariable',
+        'image', 'padding', 'state', 'style',
+        'takefocus', 'text', 'textvariable',
         'underline', 'width',
     )
 
@@ -232,7 +233,7 @@ class CheckbuttonTest(AbstractLabelTest, unittest.TestCase):
         'class', 'command', 'compound', 'cursor',
         'image',
         'offvalue', 'onvalue',
-        'state', 'style',
+        'padding', 'state', 'style',
         'takefocus', 'text', 'textvariable',
         'underline', 'variable', 'width',
     )
@@ -276,137 +277,10 @@ class CheckbuttonTest(AbstractLabelTest, unittest.TestCase):
 
 
 @add_standard_options(IntegerSizeTests, StandardTtkOptionsTests)
-class ComboboxTest(AbstractWidgetTest, unittest.TestCase):
-    OPTIONS = (
-        'class', 'cursor', 'exportselection', 'height',
-        'justify', 'postcommand', 'state', 'style',
-        'takefocus', 'textvariable', 'values', 'width',
-    )
-
-    def setUp(self):
-        super().setUp()
-        self.combo = self.create()
-
-    def create(self, **kwargs):
-        return ttk.Combobox(self.root, **kwargs)
-
-    def test_height(self):
-        widget = self.create()
-        self.checkParams(widget, 'height', 100, 101.2, 102.6, -100, 0, '1i')
-
-    def test_state(self):
-        widget = self.create()
-        self.checkParams(widget, 'state', 'active', 'disabled', 'normal')
-
-    def _show_drop_down_listbox(self):
-        width = self.combo.winfo_width()
-        self.combo.event_generate('<ButtonPress-1>', x=width - 5, y=5)
-        self.combo.event_generate('<ButtonRelease-1>', x=width - 5, y=5)
-        self.combo.update_idletasks()
-
-
-    def test_virtual_event(self):
-        success = []
-
-        self.combo['values'] = [1]
-        self.combo.bind('<<ComboboxSelected>>',
-            lambda evt: success.append(True))
-        self.combo.pack()
-        self.combo.wait_visibility()
-
-        height = self.combo.winfo_height()
-        self._show_drop_down_listbox()
-        self.combo.update()
-        self.combo.event_generate('<Return>')
-        self.combo.update()
-
-        self.assertTrue(success)
-
-
-    def test_postcommand(self):
-        success = []
-
-        self.combo['postcommand'] = lambda: success.append(True)
-        self.combo.pack()
-        self.combo.wait_visibility()
-
-        self._show_drop_down_listbox()
-        self.assertTrue(success)
-
-        # testing postcommand removal
-        self.combo['postcommand'] = ''
-        self._show_drop_down_listbox()
-        self.assertEqual(len(success), 1)
-
-
-    def test_values(self):
-        def check_get_current(getval, currval):
-            self.assertEqual(self.combo.get(), getval)
-            self.assertEqual(self.combo.current(), currval)
-
-        self.assertEqual(self.combo['values'],
-                         () if tcl_version < (8, 5) else '')
-        check_get_current('', -1)
-
-        self.checkParam(self.combo, 'values', 'mon tue wed thur',
-                        expected=('mon', 'tue', 'wed', 'thur'))
-        self.checkParam(self.combo, 'values', ('mon', 'tue', 'wed', 'thur'))
-        self.checkParam(self.combo, 'values', (42, 3.14, '', 'any string'))
-        self.checkParam(self.combo, 'values', '',
-                        expected='' if get_tk_patchlevel() < (8, 5, 10) else ())
-
-        self.combo['values'] = ['a', 1, 'c']
-
-        self.combo.set('c')
-        check_get_current('c', 2)
-
-        self.combo.current(0)
-        check_get_current('a', 0)
-
-        self.combo.set('d')
-        check_get_current('d', -1)
-
-        # testing values with empty string
-        self.combo.set('')
-        self.combo['values'] = (1, 2, '', 3)
-        check_get_current('', 2)
-
-        # testing values with empty string set through configure
-        self.combo.configure(values=[1, '', 2])
-        self.assertEqual(self.combo['values'],
-                         ('1', '', '2') if self.wantobjects else
-                         '1 {} 2')
-
-        # testing values with spaces
-        self.combo['values'] = ['a b', 'a\tb', 'a\nb']
-        self.assertEqual(self.combo['values'],
-                         ('a b', 'a\tb', 'a\nb') if self.wantobjects else
-                         '{a b} {a\tb} {a\nb}')
-
-        # testing values with special characters
-        self.combo['values'] = [r'a\tb', '"a"', '} {']
-        self.assertEqual(self.combo['values'],
-                         (r'a\tb', '"a"', '} {') if self.wantobjects else
-                         r'a\\tb {"a"} \}\ \{')
-
-        # out of range
-        self.assertRaises(tkinter.TclError, self.combo.current,
-            len(self.combo['values']))
-        # it expects an integer (or something that can be converted to int)
-        self.assertRaises(tkinter.TclError, self.combo.current, '')
-
-        # testing creating combobox with empty string in values
-        combo2 = ttk.Combobox(self.root, values=[1, 2, ''])
-        self.assertEqual(combo2['values'],
-                         ('1', '2', '') if self.wantobjects else '1 2 {}')
-        combo2.destroy()
-
-
-@add_standard_options(IntegerSizeTests, StandardTtkOptionsTests)
 class EntryTest(AbstractWidgetTest, unittest.TestCase):
     OPTIONS = (
         'background', 'class', 'cursor',
-        'exportselection', 'font',
+        'exportselection', 'font', 'foreground',
         'invalidcommand', 'justify',
         'show', 'state', 'style', 'takefocus', 'textvariable',
         'validate', 'validatecommand', 'width', 'xscrollcommand',
@@ -535,6 +409,132 @@ class EntryTest(AbstractWidgetTest, unittest.TestCase):
 
 
 @add_standard_options(IntegerSizeTests, StandardTtkOptionsTests)
+class ComboboxTest(EntryTest, unittest.TestCase):
+    OPTIONS = (
+        'background', 'class', 'cursor', 'exportselection',
+        'font', 'foreground', 'height', 'invalidcommand',
+        'justify', 'postcommand', 'show', 'state', 'style',
+        'takefocus', 'textvariable',
+        'validate', 'validatecommand', 'values',
+        'width', 'xscrollcommand',
+    )
+
+    def setUp(self):
+        super().setUp()
+        self.combo = self.create()
+
+    def create(self, **kwargs):
+        return ttk.Combobox(self.root, **kwargs)
+
+    def test_height(self):
+        widget = self.create()
+        self.checkParams(widget, 'height', 100, 101.2, 102.6, -100, 0, '1i')
+
+    def _show_drop_down_listbox(self):
+        width = self.combo.winfo_width()
+        self.combo.event_generate('<ButtonPress-1>', x=width - 5, y=5)
+        self.combo.event_generate('<ButtonRelease-1>', x=width - 5, y=5)
+        self.combo.update_idletasks()
+
+
+    def test_virtual_event(self):
+        success = []
+
+        self.combo['values'] = [1]
+        self.combo.bind('<<ComboboxSelected>>',
+            lambda evt: success.append(True))
+        self.combo.pack()
+        self.combo.wait_visibility()
+
+        height = self.combo.winfo_height()
+        self._show_drop_down_listbox()
+        self.combo.update()
+        self.combo.event_generate('<Return>')
+        self.combo.update()
+
+        self.assertTrue(success)
+
+
+    def test_postcommand(self):
+        success = []
+
+        self.combo['postcommand'] = lambda: success.append(True)
+        self.combo.pack()
+        self.combo.wait_visibility()
+
+        self._show_drop_down_listbox()
+        self.assertTrue(success)
+
+        # testing postcommand removal
+        self.combo['postcommand'] = ''
+        self._show_drop_down_listbox()
+        self.assertEqual(len(success), 1)
+
+
+    def test_values(self):
+        def check_get_current(getval, currval):
+            self.assertEqual(self.combo.get(), getval)
+            self.assertEqual(self.combo.current(), currval)
+
+        self.assertEqual(self.combo['values'],
+                         () if tcl_version < (8, 5) else '')
+        check_get_current('', -1)
+
+        self.checkParam(self.combo, 'values', 'mon tue wed thur',
+                        expected=('mon', 'tue', 'wed', 'thur'))
+        self.checkParam(self.combo, 'values', ('mon', 'tue', 'wed', 'thur'))
+        self.checkParam(self.combo, 'values', (42, 3.14, '', 'any string'))
+        self.checkParam(self.combo, 'values', '',
+                        expected='' if get_tk_patchlevel() < (8, 5, 10) else ())
+
+        self.combo['values'] = ['a', 1, 'c']
+
+        self.combo.set('c')
+        check_get_current('c', 2)
+
+        self.combo.current(0)
+        check_get_current('a', 0)
+
+        self.combo.set('d')
+        check_get_current('d', -1)
+
+        # testing values with empty string
+        self.combo.set('')
+        self.combo['values'] = (1, 2, '', 3)
+        check_get_current('', 2)
+
+        # testing values with empty string set through configure
+        self.combo.configure(values=[1, '', 2])
+        self.assertEqual(self.combo['values'],
+                         ('1', '', '2') if self.wantobjects else
+                         '1 {} 2')
+
+        # testing values with spaces
+        self.combo['values'] = ['a b', 'a\tb', 'a\nb']
+        self.assertEqual(self.combo['values'],
+                         ('a b', 'a\tb', 'a\nb') if self.wantobjects else
+                         '{a b} {a\tb} {a\nb}')
+
+        # testing values with special characters
+        self.combo['values'] = [r'a\tb', '"a"', '} {']
+        self.assertEqual(self.combo['values'],
+                         (r'a\tb', '"a"', '} {') if self.wantobjects else
+                         r'a\\tb {"a"} \}\ \{')
+
+        # out of range
+        self.assertRaises(tkinter.TclError, self.combo.current,
+            len(self.combo['values']))
+        # it expects an integer (or something that can be converted to int)
+        self.assertRaises(tkinter.TclError, self.combo.current, '')
+
+        # testing creating combobox with empty string in values
+        combo2 = ttk.Combobox(self.root, values=[1, 2, ''])
+        self.assertEqual(combo2['values'],
+                         ('1', '2', '') if self.wantobjects else '1 2 {}')
+        combo2.destroy()
+
+
+@add_standard_options(IntegerSizeTests, StandardTtkOptionsTests)
 class PanedWindowTest(AbstractWidgetTest, unittest.TestCase):
     OPTIONS = (
         'class', 'cursor', 'height',
@@ -674,7 +674,7 @@ class RadiobuttonTest(AbstractLabelTest, unittest.TestCase):
     OPTIONS = (
         'class', 'command', 'compound', 'cursor',
         'image',
-        'state', 'style',
+        'padding', 'state', 'style',
         'takefocus', 'text', 'textvariable',
         'underline', 'value', 'variable', 'width',
     )
@@ -724,7 +724,7 @@ class RadiobuttonTest(AbstractLabelTest, unittest.TestCase):
 class MenubuttonTest(AbstractLabelTest, unittest.TestCase):
     OPTIONS = (
         'class', 'compound', 'cursor', 'direction',
-        'image', 'menu', 'state', 'style',
+        'image', 'menu', 'padding', 'state', 'style',
         'takefocus', 'text', 'textvariable',
         'underline', 'width',
     )
@@ -902,7 +902,7 @@ class ScrollbarTest(AbstractWidgetTest, unittest.TestCase):
 @add_standard_options(IntegerSizeTests, StandardTtkOptionsTests)
 class NotebookTest(AbstractWidgetTest, unittest.TestCase):
     OPTIONS = (
-        'class', 'cursor', 'height', 'padding', 'style', 'takefocus',
+        'class', 'cursor', 'height', 'padding', 'style', 'takefocus', 'width',
     )
 
     def setUp(self):
diff --git a/Lib/tkinter/test/widget_tests.py b/Lib/tkinter/test/widget_tests.py
index 779538d..75a068f 100644
--- a/Lib/tkinter/test/widget_tests.py
+++ b/Lib/tkinter/test/widget_tests.py
@@ -206,6 +206,33 @@ class AbstractWidgetTest(AbstractTkTest):
                 break
 
 
+    def test_keys(self):
+        widget = self.create()
+        keys = widget.keys()
+        # XXX
+        if not isinstance(widget, Scale):
+            self.assertEqual(sorted(keys), sorted(widget.configure()))
+        for k in keys:
+            widget[k]
+        # Test if OPTIONS contains all keys
+        if test.support.verbose:
+            aliases = {
+                'bd': 'borderwidth',
+                'bg': 'background',
+                'fg': 'foreground',
+                'invcmd': 'invalidcommand',
+                'vcmd': 'validatecommand',
+            }
+            keys = set(keys)
+            expected = set(self.OPTIONS)
+            for k in sorted(keys - expected):
+                if not (k in aliases and
+                        aliases[k] in keys and
+                        aliases[k] in expected):
+                    print('%s.OPTIONS doesn\'t contain "%s"' %
+                          (self.__class__.__name__, k))
+
+
 class StandardOptionsTests:
     STANDARD_OPTIONS = (
         'activebackground', 'activeborderwidth', 'activeforeground', 'anchor',
diff --git a/Misc/NEWS b/Misc/NEWS
index 28674b8..b964181 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -91,6 +91,8 @@ Core and Builtins
 Library
 -------
 
+- Issue #26177: Fixed the keys() method for Canvas and Scrollbar widgets.
+
 - Issue #15068: Got rid of excessive buffering in the fileinput module.
   The bufsize parameter is no longer used.