convert old fail* assertions to assert*

5 files changed, 420 insertions, 420 deletions

diff --git a/Lib/tkinter/test/test_tkinter/test_text.py b/Lib/tkinter/test/test_tkinter/test_text.py
index fffd455..a93c4ce 100644
--- a/Lib/tkinter/test/test_tkinter/test_text.py
+++ b/Lib/tkinter/test/test_tkinter/test_text.py
@@ -19,18 +19,18 @@ class TextTest(unittest.TestCase):
         text = self.text
 
         # pattern and index are obligatory arguments.
-        self.failUnlessRaises(tkinter.TclError, text.search, None, '1.0')
-        self.failUnlessRaises(tkinter.TclError, text.search, 'a', None)
-        self.failUnlessRaises(tkinter.TclError, text.search, None, None)
+        self.assertRaises(tkinter.TclError, text.search, None, '1.0')
+        self.assertRaises(tkinter.TclError, text.search, 'a', None)
+        self.assertRaises(tkinter.TclError, text.search, None, None)
 
         # Invalid text index.
-        self.failUnlessRaises(tkinter.TclError, text.search, '', 0)
+        self.assertRaises(tkinter.TclError, text.search, '', 0)
 
         # Check if we are getting the indices as strings -- you are likely
         # to get Tcl_Obj under Tk 8.5 if Tkinter doesn't convert it.
         text.insert('1.0', 'hi-test')
-        self.failUnlessEqual(text.search('-test', '1.0', 'end'), '1.2')
-        self.failUnlessEqual(text.search('test', '1.0', 'end'), '1.3')
+        self.assertEqual(text.search('-test', '1.0', 'end'), '1.2')
+        self.assertEqual(text.search('test', '1.0', 'end'), '1.3')
 
 
 tests_gui = (TextTest, )
diff --git a/Lib/tkinter/test/test_ttk/test_extensions.py b/Lib/tkinter/test/test_ttk/test_extensions.py
index 9e52fc6..5912af4 100644
--- a/Lib/tkinter/test/test_ttk/test_extensions.py
+++ b/Lib/tkinter/test/test_ttk/test_extensions.py
@@ -22,16 +22,16 @@ class LabeledScaleTest(unittest.TestCase):
         x = ttk.LabeledScale()
         var = x._variable._name
         x.destroy()
-        self.failUnlessRaises(tkinter.TclError, x.tk.globalgetvar, var)
+        self.assertRaises(tkinter.TclError, x.tk.globalgetvar, var)
 
         # manually created variable
         myvar = tkinter.DoubleVar()
         name = myvar._name
         x = ttk.LabeledScale(variable=myvar)
         x.destroy()
-        self.failUnlessEqual(x.tk.globalgetvar(name), myvar.get())
+        self.assertEqual(x.tk.globalgetvar(name), myvar.get())
         del myvar
-        self.failUnlessRaises(tkinter.TclError, x.tk.globalgetvar, name)
+        self.assertRaises(tkinter.TclError, x.tk.globalgetvar, name)
 
         # checking that the tracing callback is properly removed
         myvar = tkinter.IntVar()
@@ -45,17 +45,17 @@ class LabeledScaleTest(unittest.TestCase):
         # it tries calling instance attributes not yet defined.
         ttk.LabeledScale(variable=myvar)
         if hasattr(sys, 'last_type'):
-            self.failIf(sys.last_type == tkinter.TclError)
+            self.assertFalse(sys.last_type == tkinter.TclError)
 
 
     def test_initialization(self):
         # master passing
         x = ttk.LabeledScale()
-        self.failUnlessEqual(x.master, tkinter._default_root)
+        self.assertEqual(x.master, tkinter._default_root)
         x.destroy()
         master = tkinter.Frame()
         x = ttk.LabeledScale(master)
-        self.failUnlessEqual(x.master, master)
+        self.assertEqual(x.master, master)
         x.destroy()
 
         # variable initialization/passing
@@ -63,29 +63,29 @@ class LabeledScaleTest(unittest.TestCase):
             (-1, -1), (sys.maxsize + 1, sys.maxsize + 1))
         for pair in passed_expected:
             x = ttk.LabeledScale(from_=pair[0])
-            self.failUnlessEqual(x.value, pair[1])
+            self.assertEqual(x.value, pair[1])
             x.destroy()
         x = ttk.LabeledScale(from_='2.5')
-        self.failUnlessRaises(ValueError, x._variable.get)
+        self.assertRaises(ValueError, x._variable.get)
         x.destroy()
         x = ttk.LabeledScale(from_=None)
-        self.failUnlessRaises(ValueError, x._variable.get)
+        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)
-        self.failUnlessEqual(x.value, 0)
+        self.assertEqual(x.value, 0)
         x.destroy()
         # check that it is really using a DoubleVar
         x = ttk.LabeledScale(variable=myvar, from_=0.5)
-        self.failUnlessEqual(x.value, 0.5)
-        self.failUnlessEqual(x._variable._name, myvar._name)
+        self.assertEqual(x.value, 0.5)
+        self.assertEqual(x._variable._name, myvar._name)
         x.destroy()
 
         # widget positionment
         def check_positions(scale, scale_pos, label, label_pos):
-            self.failUnlessEqual(scale.pack_info()['side'], scale_pos)
-            self.failUnlessEqual(label.place_info()['anchor'], label_pos)
+            self.assertEqual(scale.pack_info()['side'], scale_pos)
+            self.assertEqual(label.place_info()['anchor'], label_pos)
         x = ttk.LabeledScale(compound='top')
         check_positions(x.scale, 'bottom', x.label, 'n')
         x.destroy()
@@ -100,7 +100,7 @@ class LabeledScaleTest(unittest.TestCase):
         x.destroy()
 
         # extra, and invalid, kwargs
-        self.failUnlessRaises(tkinter.TclError, ttk.LabeledScale, a='b')
+        self.assertRaises(tkinter.TclError, ttk.LabeledScale, a='b')
 
 
     def test_horizontal_range(self):
@@ -111,7 +111,7 @@ class LabeledScaleTest(unittest.TestCase):
 
         linfo_1 = lscale.label.place_info()
         prev_xcoord = lscale.scale.coords()[0]
-        self.failUnlessEqual(prev_xcoord, int(linfo_1['x']))
+        self.assertEqual(prev_xcoord, int(linfo_1['x']))
         # change range to: from -5 to 5. This should change the x coord of
         # the scale widget, since 0 is at the middle of the new
         # range.
@@ -120,15 +120,15 @@ class LabeledScaleTest(unittest.TestCase):
         # at the same time this shouldn't affect test outcome
         lscale.update()
         curr_xcoord = lscale.scale.coords()[0]
-        self.failUnless(prev_xcoord != curr_xcoord)
+        self.assertTrue(prev_xcoord != curr_xcoord)
         # the label widget should have been repositioned too
         linfo_2 = lscale.label.place_info()
-        self.failUnlessEqual(lscale.label['text'], 0)
-        self.failUnlessEqual(curr_xcoord, int(linfo_2['x']))
+        self.assertEqual(lscale.label['text'], 0)
+        self.assertEqual(curr_xcoord, int(linfo_2['x']))
         # change the range back
         lscale.scale.configure(from_=0, to=10)
-        self.failUnless(prev_xcoord != curr_xcoord)
-        self.failUnlessEqual(prev_xcoord, int(linfo_1['x']))
+        self.assertTrue(prev_xcoord != curr_xcoord)
+        self.assertEqual(prev_xcoord, int(linfo_1['x']))
 
         lscale.destroy()
 
@@ -145,16 +145,16 @@ class LabeledScaleTest(unittest.TestCase):
         # The following update is needed since the test doesn't use mainloop,
         # at the same time this shouldn't affect test outcome
         x.update()
-        self.failUnlessEqual(x.label['text'], newval)
-        self.failUnless(x.scale.coords()[0] > curr_xcoord)
-        self.failUnlessEqual(x.scale.coords()[0],
+        self.assertEqual(x.label['text'], newval)
+        self.assertTrue(x.scale.coords()[0] > curr_xcoord)
+        self.assertEqual(x.scale.coords()[0],
             int(x.label.place_info()['x']))
 
         # value outside range
         x.value = x.scale['to'] + 1 # no changes shouldn't happen
         x.update()
-        self.failUnlessEqual(x.label['text'], newval)
-        self.failUnlessEqual(x.scale.coords()[0],
+        self.assertEqual(x.label['text'], newval)
+        self.assertEqual(x.scale.coords()[0],
             int(x.label.place_info()['x']))
 
         x.destroy()
@@ -172,7 +172,7 @@ class LabeledScaleTest(unittest.TestCase):
         x.value = 3
         x.update()
         x.master.wm_geometry("%dx%d" % (width_new, height_new))
-        self.failUnlessEqual(int(x.label.place_info()['x']),
+        self.assertEqual(int(x.label.place_info()['x']),
             x.scale.coords()[0])
 
         # Reset geometry
@@ -197,20 +197,20 @@ class OptionMenuTest(unittest.TestCase):
         name = var._name
         optmenu.update_idletasks()
         optmenu.destroy()
-        self.failUnlessEqual(optmenu.tk.globalgetvar(name), var.get())
+        self.assertEqual(optmenu.tk.globalgetvar(name), var.get())
         del var
-        self.failUnlessRaises(tkinter.TclError, optmenu.tk.globalgetvar, name)
+        self.assertRaises(tkinter.TclError, optmenu.tk.globalgetvar, name)
 
 
     def test_initialization(self):
-        self.failUnlessRaises(tkinter.TclError,
+        self.assertRaises(tkinter.TclError,
             ttk.OptionMenu, None, self.textvar, invalid='thing')
 
         optmenu = ttk.OptionMenu(None, self.textvar, 'b', 'a', 'b')
-        self.failUnlessEqual(optmenu._variable.get(), 'b')
+        self.assertEqual(optmenu._variable.get(), 'b')
 
-        self.failUnless(optmenu['menu'])
-        self.failUnless(optmenu['textvariable'])
+        self.assertTrue(optmenu['menu'])
+        self.assertTrue(optmenu['textvariable'])
 
         optmenu.destroy()
 
@@ -222,10 +222,10 @@ class OptionMenuTest(unittest.TestCase):
         found_default = False
         for i in range(len(items)):
             value = optmenu['menu'].entrycget(i, 'value')
-            self.failUnlessEqual(value, items[i])
+            self.assertEqual(value, items[i])
             if value == default:
                 found_default = True
-        self.failUnless(found_default)
+        self.assertTrue(found_default)
         optmenu.destroy()
 
         # default shouldn't be in menu if it is not part of values
@@ -238,26 +238,26 @@ class OptionMenuTest(unittest.TestCase):
             if last == curr:
                 # no more menu entries
                 break
-            self.failIf(curr == default)
+            self.assertFalse(curr == default)
             i += 1
-        self.failUnlessEqual(i, len(items))
+        self.assertEqual(i, len(items))
 
         # check that variable is updated correctly
         optmenu.pack()
         optmenu.wait_visibility()
         optmenu['menu'].invoke(0)
-        self.failUnlessEqual(optmenu._variable.get(), items[0])
+        self.assertEqual(optmenu._variable.get(), items[0])
 
         # changing to an invalid index shouldn't change the variable
-        self.failUnlessRaises(tkinter.TclError, optmenu['menu'].invoke, -1)
-        self.failUnlessEqual(optmenu._variable.get(), items[0])
+        self.assertRaises(tkinter.TclError, optmenu['menu'].invoke, -1)
+        self.assertEqual(optmenu._variable.get(), items[0])
 
         optmenu.destroy()
 
         # specifying a callback
         success = []
         def cb_test(item):
-            self.failUnlessEqual(item, items[1])
+            self.assertEqual(item, items[1])
             success.append(True)
         optmenu = ttk.OptionMenu(None, self.textvar, 'a', command=cb_test,
             *items)
diff --git a/Lib/tkinter/test/test_ttk/test_functions.py b/Lib/tkinter/test/test_ttk/test_functions.py
index c9f8d5d..f9b908e 100644
--- a/Lib/tkinter/test/test_ttk/test_functions.py
+++ b/Lib/tkinter/test/test_ttk/test_functions.py
@@ -27,12 +27,12 @@ class InternalFunctionsTest(unittest.TestCase):
     def test_format_optdict(self):
         def check_against(fmt_opts, result):
             for i in range(0, len(fmt_opts), 2):
-                self.failUnlessEqual(result.pop(fmt_opts[i]), fmt_opts[i + 1])
+                self.assertEqual(result.pop(fmt_opts[i]), fmt_opts[i + 1])
             if result:
                 self.fail("result still got elements: %s" % result)
 
         # passing an empty dict should return an empty object (tuple here)
-        self.failIf(ttk._format_optdict({}))
+        self.assertFalse(ttk._format_optdict({}))
 
         # check list formatting
         check_against(
@@ -62,7 +62,7 @@ class InternalFunctionsTest(unittest.TestCase):
         # check if giving unicode keys is fine
         check_against(ttk._format_optdict(opts), {'-αβγ': True, '-á': False})
         # opts should remain unchanged
-        self.failUnlessEqual(opts, orig_opts)
+        self.assertEqual(opts, orig_opts)
 
         # passing values with spaces inside a tuple/list
         check_against(
@@ -72,113 +72,113 @@ class InternalFunctionsTest(unittest.TestCase):
 
         # ignore an option
         amount_opts = len(ttk._format_optdict(opts, ignore=('á'))) / 2
-        self.failUnlessEqual(amount_opts, len(opts) - 1)
+        self.assertEqual(amount_opts, len(opts) - 1)
 
         # ignore non-existing options
         amount_opts = len(ttk._format_optdict(opts, ignore=('á', 'b'))) / 2
-        self.failUnlessEqual(amount_opts, len(opts) - 1)
+        self.assertEqual(amount_opts, len(opts) - 1)
 
         # ignore every option
-        self.failIf(ttk._format_optdict(opts, ignore=list(opts.keys())))
+        self.assertFalse(ttk._format_optdict(opts, ignore=list(opts.keys())))
 
 
     def test_format_mapdict(self):
         opts = {'a': [('b', 'c', 'val'), ('d', 'otherval'), ('', 'single')]}
         result = ttk._format_mapdict(opts)
-        self.failUnlessEqual(len(result), len(list(opts.keys())) * 2)
-        self.failUnlessEqual(result, ('-a', '{b c} val d otherval {} single'))
-        self.failUnlessEqual(ttk._format_mapdict(opts, script=True),
+        self.assertEqual(len(result), len(list(opts.keys())) * 2)
+        self.assertEqual(result, ('-a', '{b c} val d otherval {} single'))
+        self.assertEqual(ttk._format_mapdict(opts, script=True),
             ('-a', '{{b c} val d otherval {} single}'))
 
-        self.failUnlessEqual(ttk._format_mapdict({2: []}), ('-2', ''))
+        self.assertEqual(ttk._format_mapdict({2: []}), ('-2', ''))
 
         opts = {'üñíćódè': [('á', 'vãl')]}
         result = ttk._format_mapdict(opts)
-        self.failUnlessEqual(result, ('-üñíćódè', 'á vãl'))
+        self.assertEqual(result, ('-üñíćódè', 'á vãl'))
 
         # empty states
         valid = {'opt': [('', '', 'hi')]}
-        self.failUnlessEqual(ttk._format_mapdict(valid), ('-opt', '{ } hi'))
+        self.assertEqual(ttk._format_mapdict(valid), ('-opt', '{ } hi'))
 
         # when passing multiple states, they all must be strings
         invalid = {'opt': [(1, 2, 'valid val')]}
-        self.failUnlessRaises(TypeError, ttk._format_mapdict, invalid)
+        self.assertRaises(TypeError, ttk._format_mapdict, invalid)
         invalid = {'opt': [([1], '2', 'valid val')]}
-        self.failUnlessRaises(TypeError, ttk._format_mapdict, invalid)
+        self.assertRaises(TypeError, ttk._format_mapdict, invalid)
         # but when passing a single state, it can be anything
         valid = {'opt': [[1, 'value']]}
-        self.failUnlessEqual(ttk._format_mapdict(valid), ('-opt', '1 value'))
+        self.assertEqual(ttk._format_mapdict(valid), ('-opt', '1 value'))
         # special attention to single states which evalute to False
         for stateval in (None, 0, False, '', set()): # just some samples
             valid = {'opt': [(stateval, 'value')]}
-            self.failUnlessEqual(ttk._format_mapdict(valid),
+            self.assertEqual(ttk._format_mapdict(valid),
                 ('-opt', '{} value'))
 
         # values must be iterable
         opts = {'a': None}
-        self.failUnlessRaises(TypeError, ttk._format_mapdict, opts)
+        self.assertRaises(TypeError, ttk._format_mapdict, opts)
 
         # items in the value must have size >= 2
-        self.failUnlessRaises(IndexError, ttk._format_mapdict,
+        self.assertRaises(IndexError, ttk._format_mapdict,
             {'a': [('invalid', )]})
 
 
     def test_format_elemcreate(self):
-        self.failUnless(ttk._format_elemcreate(None), (None, ()))
+        self.assertTrue(ttk._format_elemcreate(None), (None, ()))
 
         ## Testing type = image
         # image type expects at least an image name, so this should raise
         # IndexError since it tries to access the index 0 of an empty tuple
-        self.failUnlessRaises(IndexError, ttk._format_elemcreate, 'image')
+        self.assertRaises(IndexError, ttk._format_elemcreate, 'image')
 
         # don't format returned values as a tcl script
         # minimum acceptable for image type
-        self.failUnlessEqual(ttk._format_elemcreate('image', False, 'test'),
+        self.assertEqual(ttk._format_elemcreate('image', False, 'test'),
             ("test ", ()))
         # specifiyng a state spec
-        self.failUnlessEqual(ttk._format_elemcreate('image', False, 'test',
+        self.assertEqual(ttk._format_elemcreate('image', False, 'test',
             ('', 'a')), ("test {} a", ()))
         # state spec with multiple states
-        self.failUnlessEqual(ttk._format_elemcreate('image', False, 'test',
+        self.assertEqual(ttk._format_elemcreate('image', False, 'test',
             ('a', 'b', 'c')), ("test {a b} c", ()))
         # state spec and options
-        self.failUnlessEqual(ttk._format_elemcreate('image', False, 'test',
+        self.assertEqual(ttk._format_elemcreate('image', False, 'test',
             ('a', 'b'), a='x', b='y'), ("test a b", ("-a", "x", "-b", "y")))
         # format returned values as a tcl script
         # state spec with multiple states and an option with a multivalue
-        self.failUnlessEqual(ttk._format_elemcreate('image', True, 'test',
+        self.assertEqual(ttk._format_elemcreate('image', True, 'test',
             ('a', 'b', 'c', 'd'), x=[2, 3]), ("{test {a b c} d}", "-x {2 3}"))
 
         ## Testing type = vsapi
         # vsapi type expects at least a class name and a part_id, so this
         # should raise an ValueError since it tries to get two elements from
         # an empty tuple
-        self.failUnlessRaises(ValueError, ttk._format_elemcreate, 'vsapi')
+        self.assertRaises(ValueError, ttk._format_elemcreate, 'vsapi')
 
         # don't format returned values as a tcl script
         # minimum acceptable for vsapi
-        self.failUnlessEqual(ttk._format_elemcreate('vsapi', False, 'a', 'b'),
+        self.assertEqual(ttk._format_elemcreate('vsapi', False, 'a', 'b'),
             ("a b ", ()))
         # now with a state spec with multiple states
-        self.failUnlessEqual(ttk._format_elemcreate('vsapi', False, 'a', 'b',
+        self.assertEqual(ttk._format_elemcreate('vsapi', False, 'a', 'b',
             ('a', 'b', 'c')), ("a b {a b} c", ()))
         # state spec and option
-        self.failUnlessEqual(ttk._format_elemcreate('vsapi', False, 'a', 'b',
+        self.assertEqual(ttk._format_elemcreate('vsapi', False, 'a', 'b',
             ('a', 'b'), opt='x'), ("a b a b", ("-opt", "x")))
         # format returned values as a tcl script
         # state spec with a multivalue and an option
-        self.failUnlessEqual(ttk._format_elemcreate('vsapi', True, 'a', 'b',
+        self.assertEqual(ttk._format_elemcreate('vsapi', True, 'a', 'b',
             ('a', 'b', [1, 2]), opt='x'), ("{a b {a b} {1 2}}", "-opt x"))
 
         # Testing type = from
         # from type expects at least a type name
-        self.failUnlessRaises(IndexError, ttk._format_elemcreate, 'from')
+        self.assertRaises(IndexError, ttk._format_elemcreate, 'from')
 
-        self.failUnlessEqual(ttk._format_elemcreate('from', False, 'a'),
+        self.assertEqual(ttk._format_elemcreate('from', False, 'a'),
             ('a', ()))
-        self.failUnlessEqual(ttk._format_elemcreate('from', False, 'a', 'b'),
+        self.assertEqual(ttk._format_elemcreate('from', False, 'a', 'b'),
             ('a', ('b', )))
-        self.failUnlessEqual(ttk._format_elemcreate('from', True, 'a', 'b'),
+        self.assertEqual(ttk._format_elemcreate('from', True, 'a', 'b'),
             ('{a}', 'b'))
 
 
@@ -207,77 +207,77 @@ class InternalFunctionsTest(unittest.TestCase):
                     spaces(2 * indent_size), spaces(indent_size), spaces()))
 
         # empty layout
-        self.failUnlessEqual(ttk._format_layoutlist([])[0], '')
+        self.assertEqual(ttk._format_layoutlist([])[0], '')
 
         # _format_layoutlist always expects the second item (in every item)
         # to act like a dict (except when the value evalutes to False).
-        self.failUnlessRaises(AttributeError,
+        self.assertRaises(AttributeError,
             ttk._format_layoutlist, [('a', 'b')])
 
         smallest = ttk._format_layoutlist([('a', None)], indent=0)
-        self.failUnlessEqual(smallest,
+        self.assertEqual(smallest,
             ttk._format_layoutlist([('a', '')], indent=0))
-        self.failUnlessEqual(smallest[0], 'a')
+        self.assertEqual(smallest[0], 'a')
 
         # testing indentation levels
-        self.failUnlessEqual(sample(), sample_expected())
+        self.assertEqual(sample(), sample_expected())
         for i in range(4):
-            self.failUnlessEqual(sample(i), sample_expected(i))
-            self.failUnlessEqual(sample(i, i), sample_expected(i, i))
+            self.assertEqual(sample(i), sample_expected(i))
+            self.assertEqual(sample(i, i), sample_expected(i, i))
 
         # invalid layout format, different kind of exceptions will be
         # raised by internal functions
 
         # plain wrong format
-        self.failUnlessRaises(ValueError, ttk._format_layoutlist,
+        self.assertRaises(ValueError, ttk._format_layoutlist,
             ['bad', 'format'])
         # will try to use iteritems in the 'bad' string
-        self.failUnlessRaises(AttributeError, ttk._format_layoutlist,
+        self.assertRaises(AttributeError, ttk._format_layoutlist,
            [('name', 'bad')])
         # bad children formatting
-        self.failUnlessRaises(ValueError, ttk._format_layoutlist,
+        self.assertRaises(ValueError, ttk._format_layoutlist,
             [('name', {'children': {'a': None}})])
 
 
     def test_script_from_settings(self):
         # empty options
-        self.failIf(ttk._script_from_settings({'name':
+        self.assertFalse(ttk._script_from_settings({'name':
             {'configure': None, 'map': None, 'element create': None}}))
 
         # empty layout
-        self.failUnlessEqual(
+        self.assertEqual(
             ttk._script_from_settings({'name': {'layout': None}}),
             "ttk::style layout name {\nnull\n}")
 
         configdict = {'αβγ': True, 'á': False}
-        self.failUnless(
+        self.assertTrue(
             ttk._script_from_settings({'name': {'configure': configdict}}))
 
         mapdict = {'üñíćódè': [('á', 'vãl')]}
-        self.failUnless(
+        self.assertTrue(
             ttk._script_from_settings({'name': {'map': mapdict}}))
 
         # invalid image element
-        self.failUnlessRaises(IndexError,
+        self.assertRaises(IndexError,
             ttk._script_from_settings, {'name': {'element create': ['image']}})
 
         # minimal valid image
-        self.failUnless(ttk._script_from_settings({'name':
+        self.assertTrue(ttk._script_from_settings({'name':
             {'element create': ['image', 'name']}}))
 
         image = {'thing': {'element create':
             ['image', 'name', ('state1', 'state2', 'val')]}}
-        self.failUnlessEqual(ttk._script_from_settings(image),
+        self.assertEqual(ttk._script_from_settings(image),
             "ttk::style element create thing image {name {state1 state2} val} ")
 
         image['thing']['element create'].append({'opt': 30})
-        self.failUnlessEqual(ttk._script_from_settings(image),
+        self.assertEqual(ttk._script_from_settings(image),
             "ttk::style element create thing image {name {state1 state2} val} "
             "-opt 30")
 
         image['thing']['element create'][-1]['opt'] = [MockTclObj(3),
             MockTclObj('2m')]
-        self.failUnlessEqual(ttk._script_from_settings(image),
+        self.assertEqual(ttk._script_from_settings(image),
             "ttk::style element create thing image {name {state1 state2} val} "
             "-opt {3 2m}")
 
@@ -285,28 +285,28 @@ class InternalFunctionsTest(unittest.TestCase):
     def test_dict_from_tcltuple(self):
         fakettuple = ('-a', '{1 2 3}', '-something', 'foo')
 
-        self.failUnlessEqual(ttk._dict_from_tcltuple(fakettuple, False),
+        self.assertEqual(ttk._dict_from_tcltuple(fakettuple, False),
             {'-a': '{1 2 3}', '-something': 'foo'})
 
-        self.failUnlessEqual(ttk._dict_from_tcltuple(fakettuple),
+        self.assertEqual(ttk._dict_from_tcltuple(fakettuple),
             {'a': '{1 2 3}', 'something': 'foo'})
 
         # passing a tuple with a single item should return an empty dict,
         # since it tries to break the tuple by pairs.
-        self.failIf(ttk._dict_from_tcltuple(('single', )))
+        self.assertFalse(ttk._dict_from_tcltuple(('single', )))
 
         sspec = MockStateSpec('a', 'b')
-        self.failUnlessEqual(ttk._dict_from_tcltuple(('-a', (sspec, 'val'))),
+        self.assertEqual(ttk._dict_from_tcltuple(('-a', (sspec, 'val'))),
             {'a': [('a', 'b', 'val')]})
 
-        self.failUnlessEqual(ttk._dict_from_tcltuple((MockTclObj('-padding'),
+        self.assertEqual(ttk._dict_from_tcltuple((MockTclObj('-padding'),
             [MockTclObj('1'), 2, MockTclObj('3m')])),
             {'padding': [1, 2, '3m']})
 
 
     def test_list_from_statespec(self):
         def test_it(sspec, value, res_value, states):
-            self.failUnlessEqual(ttk._list_from_statespec(
+            self.assertEqual(ttk._list_from_statespec(
                 (sspec, value)), [states + (res_value, )])
 
         states_even = tuple('state%d' % i for i in range(6))
@@ -323,19 +323,19 @@ class InternalFunctionsTest(unittest.TestCase):
 
     def test_list_from_layouttuple(self):
         # empty layout tuple
-        self.failIf(ttk._list_from_layouttuple(()))
+        self.assertFalse(ttk._list_from_layouttuple(()))
 
         # shortest layout tuple
-        self.failUnlessEqual(ttk._list_from_layouttuple(('name', )),
+        self.assertEqual(ttk._list_from_layouttuple(('name', )),
             [('name', {})])
 
         # not so interesting ltuple
         sample_ltuple = ('name', '-option', 'value')
-        self.failUnlessEqual(ttk._list_from_layouttuple(sample_ltuple),
+        self.assertEqual(ttk._list_from_layouttuple(sample_ltuple),
             [('name', {'option': 'value'})])
 
         # empty children
-        self.failUnlessEqual(ttk._list_from_layouttuple(
+        self.assertEqual(ttk._list_from_layouttuple(
             ('something', '-children', ())),
             [('something', {'children': []})]
         )
@@ -348,7 +348,7 @@ class InternalFunctionsTest(unittest.TestCase):
                 )
             )
         )
-        self.failUnlessEqual(ttk._list_from_layouttuple(ltuple),
+        self.assertEqual(ttk._list_from_layouttuple(ltuple),
             [('name', {'option': 'niceone', 'children':
                 [('otherone', {'otheropt': 'othervalue', 'children':
                     [('child', {})]
@@ -357,13 +357,13 @@ class InternalFunctionsTest(unittest.TestCase):
         )
 
         # bad tuples
-        self.failUnlessRaises(ValueError, ttk._list_from_layouttuple,
+        self.assertRaises(ValueError, ttk._list_from_layouttuple,
             ('name', 'no_minus'))
-        self.failUnlessRaises(ValueError, ttk._list_from_layouttuple,
+        self.assertRaises(ValueError, ttk._list_from_layouttuple,
             ('name', 'no_minus', 'value'))
-        self.failUnlessRaises(ValueError, ttk._list_from_layouttuple,
+        self.assertRaises(ValueError, ttk._list_from_layouttuple,
             ('something', '-children')) # no children
-        self.failUnlessRaises(ValueError, ttk._list_from_layouttuple,
+        self.assertRaises(ValueError, ttk._list_from_layouttuple,
             ('something', '-children', 'value')) # invalid children
 
 
@@ -374,10 +374,10 @@ class InternalFunctionsTest(unittest.TestCase):
             return (opt, val)
 
         options = {'test': None}
-        self.failUnlessEqual(ttk._val_or_dict(options, func), "test val")
+        self.assertEqual(ttk._val_or_dict(options, func), "test val")
 
         options = {'test': 3}
-        self.failUnlessEqual(ttk._val_or_dict(options, func), options)
+        self.assertEqual(ttk._val_or_dict(options, func), options)
 
 
     def test_convert_stringval(self):
@@ -386,34 +386,34 @@ class InternalFunctionsTest(unittest.TestCase):
             (None, 'None')
         )
         for orig, expected in tests:
-            self.failUnlessEqual(ttk._convert_stringval(orig), expected)
+            self.assertEqual(ttk._convert_stringval(orig), expected)
 
 
 class TclObjsToPyTest(unittest.TestCase):
 
     def test_unicode(self):
         adict = {'opt': 'välúè'}
-        self.failUnlessEqual(ttk.tclobjs_to_py(adict), {'opt': 'välúè'})
+        self.assertEqual(ttk.tclobjs_to_py(adict), {'opt': 'välúè'})
 
         adict['opt'] = MockTclObj(adict['opt'])
-        self.failUnlessEqual(ttk.tclobjs_to_py(adict), {'opt': 'välúè'})
+        self.assertEqual(ttk.tclobjs_to_py(adict), {'opt': 'välúè'})
 
     def test_multivalues(self):
         adict = {'opt': [1, 2, 3, 4]}
-        self.failUnlessEqual(ttk.tclobjs_to_py(adict), {'opt': [1, 2, 3, 4]})
+        self.assertEqual(ttk.tclobjs_to_py(adict), {'opt': [1, 2, 3, 4]})
 
         adict['opt'] = [1, 'xm', 3]
-        self.failUnlessEqual(ttk.tclobjs_to_py(adict), {'opt': [1, 'xm', 3]})
+        self.assertEqual(ttk.tclobjs_to_py(adict), {'opt': [1, 'xm', 3]})
 
         adict['opt'] = (MockStateSpec('a', 'b'), 'válũè')
-        self.failUnlessEqual(ttk.tclobjs_to_py(adict),
+        self.assertEqual(ttk.tclobjs_to_py(adict),
             {'opt': [('a', 'b', 'válũè')]})
 
-        self.failUnlessEqual(ttk.tclobjs_to_py({'x': ['y z']}),
+        self.assertEqual(ttk.tclobjs_to_py({'x': ['y z']}),
             {'x': ['y z']})
 
     def test_nosplit(self):
-        self.failUnlessEqual(ttk.tclobjs_to_py({'text': 'some text'}),
+        self.assertEqual(ttk.tclobjs_to_py({'text': 'some text'}),
             {'text': 'some text'})
 
 tests_nogui = (InternalFunctionsTest, TclObjsToPyTest)
diff --git a/Lib/tkinter/test/test_ttk/test_style.py b/Lib/tkinter/test/test_ttk/test_style.py
index 3eebb64..e9a1eb4 100644
--- a/Lib/tkinter/test/test_ttk/test_style.py
+++ b/Lib/tkinter/test/test_ttk/test_style.py
@@ -16,17 +16,17 @@ class StyleTest(unittest.TestCase):
     def test_configure(self):
         style = self.style
         style.configure('TButton', background='yellow')
-        self.failUnlessEqual(style.configure('TButton', 'background'),
+        self.assertEqual(style.configure('TButton', 'background'),
             'yellow')
-        self.failUnless(isinstance(style.configure('TButton'), dict))
+        self.assertTrue(isinstance(style.configure('TButton'), dict))
 
 
     def test_map(self):
         style = self.style
         style.map('TButton', background=[('active', 'background', 'blue')])
-        self.failUnlessEqual(style.map('TButton', 'background'),
+        self.assertEqual(style.map('TButton', 'background'),
             [('active', 'background', 'blue')])
-        self.failUnless(isinstance(style.map('TButton'), dict))
+        self.assertTrue(isinstance(style.map('TButton'), dict))
 
 
     def test_lookup(self):
@@ -34,38 +34,38 @@ class StyleTest(unittest.TestCase):
         style.configure('TButton', background='yellow')
         style.map('TButton', background=[('active', 'background', 'blue')])
 
-        self.failUnlessEqual(style.lookup('TButton', 'background'), 'yellow')
-        self.failUnlessEqual(style.lookup('TButton', 'background',
+        self.assertEqual(style.lookup('TButton', 'background'), 'yellow')
+        self.assertEqual(style.lookup('TButton', 'background',
             ['active', 'background']), 'blue')
-        self.failUnlessEqual(style.lookup('TButton', 'optionnotdefined',
+        self.assertEqual(style.lookup('TButton', 'optionnotdefined',
             default='iknewit'), 'iknewit')
 
 
     def test_layout(self):
         style = self.style
-        self.failUnlessRaises(tkinter.TclError, style.layout, 'NotALayout')
+        self.assertRaises(tkinter.TclError, style.layout, 'NotALayout')
         tv_style = style.layout('Treeview')
 
         # "erase" Treeview layout
         style.layout('Treeview', '')
-        self.failUnlessEqual(style.layout('Treeview'),
+        self.assertEqual(style.layout('Treeview'),
             [('null', {'sticky': 'nswe'})]
         )
 
         # restore layout
         style.layout('Treeview', tv_style)
-        self.failUnlessEqual(style.layout('Treeview'), tv_style)
+        self.assertEqual(style.layout('Treeview'), tv_style)
 
         # should return a list
-        self.failUnless(isinstance(style.layout('TButton'), list))
+        self.assertTrue(isinstance(style.layout('TButton'), list))
 
         # correct layout, but "option" doesn't exist as option
-        self.failUnlessRaises(tkinter.TclError, style.layout, 'Treeview',
+        self.assertRaises(tkinter.TclError, style.layout, 'Treeview',
             [('name', {'option': 'inexistent'})])
 
 
     def test_theme_use(self):
-        self.failUnlessRaises(tkinter.TclError, self.style.theme_use,
+        self.assertRaises(tkinter.TclError, self.style.theme_use,
             'nonexistingname')
 
         curr_theme = self.style.theme_use()
@@ -79,8 +79,8 @@ class StyleTest(unittest.TestCase):
             # just one theme available, can't go on with tests
             return
 
-        self.failIf(curr_theme == new_theme)
-        self.failIf(new_theme != self.style.theme_use())
+        self.assertFalse(curr_theme == new_theme)
+        self.assertFalse(new_theme != self.style.theme_use())
 
         self.style.theme_use(curr_theme)
 
diff --git a/Lib/tkinter/test/test_ttk/test_widgets.py b/Lib/tkinter/test/test_ttk/test_widgets.py
index 29fdce0..48a5223 100644
--- a/Lib/tkinter/test/test_ttk/test_widgets.py
+++ b/Lib/tkinter/test/test_ttk/test_widgets.py
@@ -24,48 +24,48 @@ class WidgetTest(unittest.TestCase):
 
     def test_identify(self):
         self.widget.update_idletasks()
-        self.failUnlessEqual(self.widget.identify(5, 5), "label")
-        self.failUnlessEqual(self.widget.identify(-1, -1), "")
+        self.assertEqual(self.widget.identify(5, 5), "label")
+        self.assertEqual(self.widget.identify(-1, -1), "")
 
-        self.failUnlessRaises(tkinter.TclError, self.widget.identify, None, 5)
-        self.failUnlessRaises(tkinter.TclError, self.widget.identify, 5, None)
-        self.failUnlessRaises(tkinter.TclError, self.widget.identify, 5, '')
+        self.assertRaises(tkinter.TclError, self.widget.identify, None, 5)
+        self.assertRaises(tkinter.TclError, self.widget.identify, 5, None)
+        self.assertRaises(tkinter.TclError, self.widget.identify, 5, '')
 
 
     def test_widget_state(self):
         # XXX not sure about the portability of all these tests
-        self.failUnlessEqual(self.widget.state(), ())
-        self.failUnlessEqual(self.widget.instate(['!disabled']), True)
+        self.assertEqual(self.widget.state(), ())
+        self.assertEqual(self.widget.instate(['!disabled']), True)
 
         # changing from !disabled to disabled
-        self.failUnlessEqual(self.widget.state(['disabled']), ('!disabled', ))
+        self.assertEqual(self.widget.state(['disabled']), ('!disabled', ))
         # no state change
-        self.failUnlessEqual(self.widget.state(['disabled']), ())
+        self.assertEqual(self.widget.state(['disabled']), ())
         # change back to !disable but also active
-        self.failUnlessEqual(self.widget.state(['!disabled', 'active']),
+        self.assertEqual(self.widget.state(['!disabled', 'active']),
             ('!active', 'disabled'))
         # no state changes, again
-        self.failUnlessEqual(self.widget.state(['!disabled', 'active']), ())
-        self.failUnlessEqual(self.widget.state(['active', '!disabled']), ())
+        self.assertEqual(self.widget.state(['!disabled', 'active']), ())
+        self.assertEqual(self.widget.state(['active', '!disabled']), ())
 
         def test_cb(arg1, **kw):
             return arg1, kw
-        self.failUnlessEqual(self.widget.instate(['!disabled'],
+        self.assertEqual(self.widget.instate(['!disabled'],
             test_cb, "hi", **{"msg": "there"}),
             ('hi', {'msg': 'there'}))
 
         # attempt to set invalid statespec
         currstate = self.widget.state()
-        self.failUnlessRaises(tkinter.TclError, self.widget.instate,
+        self.assertRaises(tkinter.TclError, self.widget.instate,
             ['badstate'])
-        self.failUnlessRaises(tkinter.TclError, self.widget.instate,
+        self.assertRaises(tkinter.TclError, self.widget.instate,
             ['disabled', 'badstate'])
         # verify that widget didn't change its state
-        self.failUnlessEqual(currstate, self.widget.state())
+        self.assertEqual(currstate, self.widget.state())
 
         # ensuring that passing None as state doesn't modify current state
         self.widget.state(['active', '!disabled'])
-        self.failUnlessEqual(self.widget.state(), ('active', ))
+        self.assertEqual(self.widget.state(), ('active', ))
 
 
 class ButtonTest(unittest.TestCase):
@@ -74,7 +74,7 @@ class ButtonTest(unittest.TestCase):
         success = []
         btn = ttk.Button(command=lambda: success.append(1))
         btn.invoke()
-        self.failUnless(success)
+        self.assertTrue(success)
 
 
 class CheckbuttonTest(unittest.TestCase):
@@ -88,21 +88,21 @@ class CheckbuttonTest(unittest.TestCase):
         cbtn = ttk.Checkbutton(command=cb_test)
         # the variable automatically created by ttk.Checkbutton is actually
         # undefined till we invoke the Checkbutton
-        self.failUnlessEqual(cbtn.state(), ('alternate', ))
-        self.failUnlessRaises(tkinter.TclError, cbtn.tk.globalgetvar,
+        self.assertEqual(cbtn.state(), ('alternate', ))
+        self.assertRaises(tkinter.TclError, cbtn.tk.globalgetvar,
             cbtn['variable'])
 
         res = cbtn.invoke()
-        self.failUnlessEqual(res, "cb test called")
-        self.failUnlessEqual(cbtn['onvalue'],
+        self.assertEqual(res, "cb test called")
+        self.assertEqual(cbtn['onvalue'],
             cbtn.tk.globalgetvar(cbtn['variable']))
-        self.failUnless(success)
+        self.assertTrue(success)
 
         cbtn['command'] = ''
         res = cbtn.invoke()
-        self.failUnlessEqual(res, '')
-        self.failIf(len(success) > 1)
-        self.failUnlessEqual(cbtn['offvalue'],
+        self.assertEqual(res, '')
+        self.assertFalse(len(success) > 1)
+        self.assertEqual(cbtn['offvalue'],
             cbtn.tk.globalgetvar(cbtn['variable']))
 
 
@@ -138,7 +138,7 @@ class ComboboxTest(unittest.TestCase):
         self.combo.event_generate('<Return>')
         self.combo.update()
 
-        self.failUnless(success)
+        self.assertTrue(success)
 
 
     def test_postcommand(self):
@@ -149,18 +149,18 @@ class ComboboxTest(unittest.TestCase):
         self.combo.wait_visibility()
 
         self._show_drop_down_listbox()
-        self.failUnless(success)
+        self.assertTrue(success)
 
         # testing postcommand removal
         self.combo['postcommand'] = ''
         self._show_drop_down_listbox()
-        self.failUnlessEqual(len(success), 1)
+        self.assertEqual(len(success), 1)
 
 
     def test_values(self):
         def check_get_current(getval, currval):
-            self.failUnlessEqual(self.combo.get(), getval)
-            self.failUnlessEqual(self.combo.current(), currval)
+            self.assertEqual(self.combo.get(), getval)
+            self.assertEqual(self.combo.current(), currval)
 
         check_get_current('', -1)
 
@@ -182,17 +182,17 @@ class ComboboxTest(unittest.TestCase):
 
         # testing values with empty string set through configure
         self.combo.configure(values=[1, '', 2])
-        self.failUnlessEqual(self.combo['values'], ('1', '', '2'))
+        self.assertEqual(self.combo['values'], ('1', '', '2'))
 
         # out of range
-        self.failUnlessRaises(tkinter.TclError, self.combo.current,
+        self.assertRaises(tkinter.TclError, self.combo.current,
             len(self.combo['values']))
         # it expects an integer (or something that can be converted to int)
-        self.failUnlessRaises(tkinter.TclError, self.combo.current, '')
+        self.assertRaises(tkinter.TclError, self.combo.current, '')
 
         # testing creating combobox with empty string in values
         combo2 = ttk.Combobox(values=[1, 2, ''])
-        self.failUnlessEqual(combo2['values'], ('1', '2', ''))
+        self.assertEqual(combo2['values'], ('1', '2', ''))
         combo2.destroy()
 
 
@@ -208,12 +208,12 @@ class EntryTest(unittest.TestCase):
 
 
     def test_bbox(self):
-        self.failUnlessEqual(len(self.entry.bbox(0)), 4)
+        self.assertEqual(len(self.entry.bbox(0)), 4)
         for item in self.entry.bbox(0):
-            self.failUnless(isinstance(item, int))
+            self.assertTrue(isinstance(item, int))
 
-        self.failUnlessRaises(tkinter.TclError, self.entry.bbox, 'noindex')
-        self.failUnlessRaises(tkinter.TclError, self.entry.bbox, None)
+        self.assertRaises(tkinter.TclError, self.entry.bbox, 'noindex')
+        self.assertRaises(tkinter.TclError, self.entry.bbox, None)
 
 
     def test_identify(self):
@@ -221,12 +221,12 @@ class EntryTest(unittest.TestCase):
         self.entry.wait_visibility()
         self.entry.update_idletasks()
 
-        self.failUnlessEqual(self.entry.identify(5, 5), "textarea")
-        self.failUnlessEqual(self.entry.identify(-1, -1), "")
+        self.assertEqual(self.entry.identify(5, 5), "textarea")
+        self.assertEqual(self.entry.identify(-1, -1), "")
 
-        self.failUnlessRaises(tkinter.TclError, self.entry.identify, None, 5)
-        self.failUnlessRaises(tkinter.TclError, self.entry.identify, 5, None)
-        self.failUnlessRaises(tkinter.TclError, self.entry.identify, 5, '')
+        self.assertRaises(tkinter.TclError, self.entry.identify, None, 5)
+        self.assertRaises(tkinter.TclError, self.entry.identify, 5, None)
+        self.assertRaises(tkinter.TclError, self.entry.identify, 5, '')
 
 
     def test_validation_options(self):
@@ -238,23 +238,23 @@ class EntryTest(unittest.TestCase):
 
         self.entry['invalidcommand'] = test_invalid
         self.entry.validate()
-        self.failUnless(success)
+        self.assertTrue(success)
 
         self.entry['invalidcommand'] = ''
         self.entry.validate()
-        self.failUnlessEqual(len(success), 1)
+        self.assertEqual(len(success), 1)
 
         self.entry['invalidcommand'] = test_invalid
         self.entry['validatecommand'] = lambda: True
         self.entry.validate()
-        self.failUnlessEqual(len(success), 1)
+        self.assertEqual(len(success), 1)
 
         self.entry['validatecommand'] = ''
         self.entry.validate()
-        self.failUnlessEqual(len(success), 1)
+        self.assertEqual(len(success), 1)
 
         self.entry['validatecommand'] = True
-        self.failUnlessRaises(tkinter.TclError, self.entry.validate)
+        self.assertRaises(tkinter.TclError, self.entry.validate)
 
 
     def test_validation(self):
@@ -271,8 +271,8 @@ class EntryTest(unittest.TestCase):
 
         self.entry.insert('end', 1)
         self.entry.insert('end', 'a')
-        self.failUnlessEqual(validation, [False, True])
-        self.failUnlessEqual(self.entry.get(), 'a')
+        self.assertEqual(validation, [False, True])
+        self.assertEqual(self.entry.get(), 'a')
 
 
     def test_revalidation(self):
@@ -285,19 +285,19 @@ class EntryTest(unittest.TestCase):
         self.entry['validatecommand'] = self.entry.register(validate), '%P'
 
         self.entry.insert('end', 'avocado')
-        self.failUnlessEqual(self.entry.validate(), True)
-        self.failUnlessEqual(self.entry.state(), ())
+        self.assertEqual(self.entry.validate(), True)
+        self.assertEqual(self.entry.state(), ())
 
         self.entry.delete(0, 'end')
-        self.failUnlessEqual(self.entry.get(), '')
+        self.assertEqual(self.entry.get(), '')
 
         self.entry.insert('end', 'a1b')
-        self.failUnlessEqual(self.entry.validate(), False)
-        self.failUnlessEqual(self.entry.state(), ('invalid', ))
+        self.assertEqual(self.entry.validate(), False)
+        self.assertEqual(self.entry.state(), ('invalid', ))
 
         self.entry.delete(1)
-        self.failUnlessEqual(self.entry.validate(), True)
-        self.failUnlessEqual(self.entry.state(), ())
+        self.assertEqual(self.entry.validate(), True)
+        self.assertEqual(self.entry.state(), ())
 
 
 class PanedwindowTest(unittest.TestCase):
@@ -315,108 +315,108 @@ class PanedwindowTest(unittest.TestCase):
         # attempt to add a child that is not a direct child of the paned window
         label = ttk.Label(self.paned)
         child = ttk.Label(label)
-        self.failUnlessRaises(tkinter.TclError, self.paned.add, child)
+        self.assertRaises(tkinter.TclError, self.paned.add, child)
         label.destroy()
         child.destroy()
         # another attempt
         label = ttk.Label()
         child = ttk.Label(label)
-        self.failUnlessRaises(tkinter.TclError, self.paned.add, child)
+        self.assertRaises(tkinter.TclError, self.paned.add, child)
         child.destroy()
         label.destroy()
 
         good_child = ttk.Label()
         self.paned.add(good_child)
         # re-adding a child is not accepted
-        self.failUnlessRaises(tkinter.TclError, self.paned.add, good_child)
+        self.assertRaises(tkinter.TclError, self.paned.add, good_child)
 
         other_child = ttk.Label(self.paned)
         self.paned.add(other_child)
-        self.failUnlessEqual(self.paned.pane(0), self.paned.pane(1))
-        self.failUnlessRaises(tkinter.TclError, self.paned.pane, 2)
+        self.assertEqual(self.paned.pane(0), self.paned.pane(1))
+        self.assertRaises(tkinter.TclError, self.paned.pane, 2)
         good_child.destroy()
         other_child.destroy()
-        self.failUnlessRaises(tkinter.TclError, self.paned.pane, 0)
+        self.assertRaises(tkinter.TclError, self.paned.pane, 0)
 
 
     def test_forget(self):
-        self.failUnlessRaises(tkinter.TclError, self.paned.forget, None)
-        self.failUnlessRaises(tkinter.TclError, self.paned.forget, 0)
+        self.assertRaises(tkinter.TclError, self.paned.forget, None)
+        self.assertRaises(tkinter.TclError, self.paned.forget, 0)
 
         self.paned.add(ttk.Label())
         self.paned.forget(0)
-        self.failUnlessRaises(tkinter.TclError, self.paned.forget, 0)
+        self.assertRaises(tkinter.TclError, self.paned.forget, 0)
 
 
     def test_insert(self):
-        self.failUnlessRaises(tkinter.TclError, self.paned.insert, None, 0)
-        self.failUnlessRaises(tkinter.TclError, self.paned.insert, 0, None)
-        self.failUnlessRaises(tkinter.TclError, self.paned.insert, 0, 0)
+        self.assertRaises(tkinter.TclError, self.paned.insert, None, 0)
+        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()
 
-        self.failUnlessRaises(tkinter.TclError, self.paned.insert, 0, child)
+        self.assertRaises(tkinter.TclError, self.paned.insert, 0, child)
 
         self.paned.insert('end', child2)
         self.paned.insert(0, child)
-        self.failUnlessEqual(self.paned.panes(), (str(child), str(child2)))
+        self.assertEqual(self.paned.panes(), (str(child), str(child2)))
 
         self.paned.insert(0, child2)
-        self.failUnlessEqual(self.paned.panes(), (str(child2), str(child)))
+        self.assertEqual(self.paned.panes(), (str(child2), str(child)))
 
         self.paned.insert('end', child3)
-        self.failUnlessEqual(self.paned.panes(),
+        self.assertEqual(self.paned.panes(),
             (str(child2), str(child), str(child3)))
 
         # reinserting a child should move it to its current position
         panes = self.paned.panes()
         self.paned.insert('end', child3)
-        self.failUnlessEqual(panes, self.paned.panes())
+        self.assertEqual(panes, self.paned.panes())
 
         # moving child3 to child2 position should result in child2 ending up
         # in previous child position and child ending up in previous child3
         # position
         self.paned.insert(child2, child3)
-        self.failUnlessEqual(self.paned.panes(),
+        self.assertEqual(self.paned.panes(),
             (str(child3), str(child2), str(child)))
 
 
     def test_pane(self):
-        self.failUnlessRaises(tkinter.TclError, self.paned.pane, 0)
+        self.assertRaises(tkinter.TclError, self.paned.pane, 0)
 
         child = ttk.Label()
         self.paned.add(child)
-        self.failUnless(isinstance(self.paned.pane(0), dict))
-        self.failUnlessEqual(self.paned.pane(0, weight=None), 0)
+        self.assertTrue(isinstance(self.paned.pane(0), dict))
+        self.assertEqual(self.paned.pane(0, weight=None), 0)
         # newer form for querying a single option
-        self.failUnlessEqual(self.paned.pane(0, 'weight'), 0)
-        self.failUnlessEqual(self.paned.pane(0), self.paned.pane(str(child)))
+        self.assertEqual(self.paned.pane(0, 'weight'), 0)
+        self.assertEqual(self.paned.pane(0), self.paned.pane(str(child)))
 
-        self.failUnlessRaises(tkinter.TclError, self.paned.pane, 0,
+        self.assertRaises(tkinter.TclError, self.paned.pane, 0,
             badoption='somevalue')
 
 
     def test_sashpos(self):
-        self.failUnlessRaises(tkinter.TclError, self.paned.sashpos, None)
-        self.failUnlessRaises(tkinter.TclError, self.paned.sashpos, '')
-        self.failUnlessRaises(tkinter.TclError, self.paned.sashpos, 0)
+        self.assertRaises(tkinter.TclError, self.paned.sashpos, None)
+        self.assertRaises(tkinter.TclError, self.paned.sashpos, '')
+        self.assertRaises(tkinter.TclError, self.paned.sashpos, 0)
 
         child = ttk.Label(self.paned, text='a')
         self.paned.add(child, weight=1)
-        self.failUnlessRaises(tkinter.TclError, self.paned.sashpos, 0)
+        self.assertRaises(tkinter.TclError, self.paned.sashpos, 0)
         child2 = ttk.Label(self.paned, text='b')
         self.paned.add(child2)
-        self.failUnlessRaises(tkinter.TclError, self.paned.sashpos, 1)
+        self.assertRaises(tkinter.TclError, self.paned.sashpos, 1)
 
         self.paned.pack(expand=True, fill='both')
         self.paned.wait_visibility()
 
         curr_pos = self.paned.sashpos(0)
         self.paned.sashpos(0, 1000)
-        self.failUnless(curr_pos != self.paned.sashpos(0))
-        self.failUnless(isinstance(self.paned.sashpos(0), int))
+        self.assertTrue(curr_pos != self.paned.sashpos(0))
+        self.assertTrue(isinstance(self.paned.sashpos(0), int))
 
 
 class RadiobuttonTest(unittest.TestCase):
@@ -432,21 +432,21 @@ class RadiobuttonTest(unittest.TestCase):
         cbtn2 = ttk.Radiobutton(command=cb_test, variable=myvar, value=1)
 
         res = cbtn.invoke()
-        self.failUnlessEqual(res, "cb test called")
-        self.failUnlessEqual(cbtn['value'], myvar.get())
-        self.failUnlessEqual(myvar.get(),
+        self.assertEqual(res, "cb test called")
+        self.assertEqual(cbtn['value'], myvar.get())
+        self.assertEqual(myvar.get(),
             cbtn.tk.globalgetvar(cbtn['variable']))
-        self.failUnless(success)
+        self.assertTrue(success)
 
         cbtn2['command'] = ''
         res = cbtn2.invoke()
-        self.failUnlessEqual(res, '')
-        self.failIf(len(success) > 1)
-        self.failUnlessEqual(cbtn2['value'], myvar.get())
-        self.failUnlessEqual(myvar.get(),
+        self.assertEqual(res, '')
+        self.assertFalse(len(success) > 1)
+        self.assertEqual(cbtn2['value'], myvar.get())
+        self.assertEqual(myvar.get(),
             cbtn.tk.globalgetvar(cbtn['variable']))
 
-        self.failUnlessEqual(str(cbtn['variable']), str(cbtn2['variable']))
+        self.assertEqual(str(cbtn['variable']), str(cbtn2['variable']))
 
 
 
@@ -472,27 +472,27 @@ class ScaleTest(unittest.TestCase):
         self.scale['from_'] = 10
         self.scale['to'] = 3
 
-        self.failIf(failure)
+        self.assertFalse(failure)
 
         failure = [1, 1, 1]
         self.scale.configure(from_=2, to=5)
         self.scale.configure(from_=0, to=-2)
         self.scale.configure(to=10)
 
-        self.failIf(failure)
+        self.assertFalse(failure)
 
 
     def test_get(self):
         scale_width = self.scale.winfo_width()
-        self.failUnlessEqual(self.scale.get(scale_width, 0), self.scale['to'])
+        self.assertEqual(self.scale.get(scale_width, 0), self.scale['to'])
 
-        self.failUnlessEqual(self.scale.get(0, 0), self.scale['from'])
-        self.failUnlessEqual(self.scale.get(), self.scale['value'])
+        self.assertEqual(self.scale.get(0, 0), self.scale['from'])
+        self.assertEqual(self.scale.get(), self.scale['value'])
         self.scale['value'] = 30
-        self.failUnlessEqual(self.scale.get(), self.scale['value'])
+        self.assertEqual(self.scale.get(), self.scale['value'])
 
-        self.failUnlessRaises(tkinter.TclError, self.scale.get, '', 0)
-        self.failUnlessRaises(tkinter.TclError, self.scale.get, 0, '')
+        self.assertRaises(tkinter.TclError, self.scale.get, '', 0)
+        self.assertRaises(tkinter.TclError, self.scale.get, 0, '')
 
 
     def test_set(self):
@@ -500,30 +500,30 @@ class ScaleTest(unittest.TestCase):
         max = self.scale['to']
         new_max = max + 10
         self.scale.set(new_max)
-        self.failUnlessEqual(self.scale.get(), max)
+        self.assertEqual(self.scale.get(), max)
         min = self.scale['from']
         self.scale.set(min - 1)
-        self.failUnlessEqual(self.scale.get(), min)
+        self.assertEqual(self.scale.get(), min)
 
         # changing directly the variable doesn't impose this limitation tho
         var = tkinter.DoubleVar()
         self.scale['variable'] = var
         var.set(max + 5)
-        self.failUnlessEqual(self.scale.get(), var.get())
-        self.failUnlessEqual(self.scale.get(), max + 5)
+        self.assertEqual(self.scale.get(), var.get())
+        self.assertEqual(self.scale.get(), max + 5)
         del var
 
         # the same happens with the value option
         self.scale['value'] = max + 10
-        self.failUnlessEqual(self.scale.get(), max + 10)
-        self.failUnlessEqual(self.scale.get(), self.scale['value'])
+        self.assertEqual(self.scale.get(), max + 10)
+        self.assertEqual(self.scale.get(), self.scale['value'])
 
         # nevertheless, note that the max/min values we can get specifying
         # x, y coords are the ones according to the current range
-        self.failUnlessEqual(self.scale.get(0, 0), min)
-        self.failUnlessEqual(self.scale.get(self.scale.winfo_width(), 0), max)
+        self.assertEqual(self.scale.get(0, 0), min)
+        self.assertEqual(self.scale.get(self.scale.winfo_width(), 0), max)
 
-        self.failUnlessRaises(tkinter.TclError, self.scale.set, None)
+        self.assertRaises(tkinter.TclError, self.scale.set, None)
 
 
 class NotebookTest(unittest.TestCase):
@@ -546,18 +546,18 @@ class NotebookTest(unittest.TestCase):
     def test_tab_identifiers(self):
         self.nb.forget(0)
         self.nb.hide(self.child2)
-        self.failUnlessRaises(tkinter.TclError, self.nb.tab, self.child1)
-        self.failUnlessEqual(self.nb.index('end'), 1)
+        self.assertRaises(tkinter.TclError, self.nb.tab, self.child1)
+        self.assertEqual(self.nb.index('end'), 1)
         self.nb.add(self.child2)
-        self.failUnlessEqual(self.nb.index('end'), 1)
+        self.assertEqual(self.nb.index('end'), 1)
         self.nb.select(self.child2)
 
-        self.failUnless(self.nb.tab('current'))
+        self.assertTrue(self.nb.tab('current'))
         self.nb.add(self.child1, text='a')
 
         self.nb.pack()
         self.nb.wait_visibility()
-        self.failUnlessEqual(self.nb.tab('@5,5'), self.nb.tab('current'))
+        self.assertEqual(self.nb.tab('@5,5'), self.nb.tab('current'))
 
         for i in range(5, 100, 5):
             if self.nb.tab('@%d, 5' % i, text=None) == 'a':
@@ -567,17 +567,17 @@ class NotebookTest(unittest.TestCase):
 
 
     def test_add_and_hidden(self):
-        self.failUnlessRaises(tkinter.TclError, self.nb.hide, -1)
-        self.failUnlessRaises(tkinter.TclError, self.nb.hide, 'hi')
-        self.failUnlessRaises(tkinter.TclError, self.nb.hide, None)
-        self.failUnlessRaises(tkinter.TclError, self.nb.add, None)
-        self.failUnlessRaises(tkinter.TclError, self.nb.add, ttk.Label(),
+        self.assertRaises(tkinter.TclError, self.nb.hide, -1)
+        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(),
             unknown='option')
 
         tabs = self.nb.tabs()
         self.nb.hide(self.child1)
         self.nb.add(self.child1)
-        self.failUnlessEqual(self.nb.tabs(), tabs)
+        self.assertEqual(self.nb.tabs(), tabs)
 
         child = ttk.Label()
         self.nb.add(child, text='c')
@@ -588,70 +588,70 @@ class NotebookTest(unittest.TestCase):
         child2_index = self.nb.index(self.child2)
         self.nb.hide(self.child2)
         self.nb.add(self.child2)
-        self.failUnlessEqual(self.nb.tabs(), tabs)
-        self.failUnlessEqual(self.nb.index(self.child2), child2_index)
-        self.failUnless(str(self.child2) == self.nb.tabs()[child2_index])
+        self.assertEqual(self.nb.tabs(), tabs)
+        self.assertEqual(self.nb.index(self.child2), child2_index)
+        self.assertTrue(str(self.child2) == self.nb.tabs()[child2_index])
         # but the tab next to it (not hidden) is the one selected now
-        self.failUnlessEqual(self.nb.index('current'), curr + 1)
+        self.assertEqual(self.nb.index('current'), curr + 1)
 
 
     def test_forget(self):
-        self.failUnlessRaises(tkinter.TclError, self.nb.forget, -1)
-        self.failUnlessRaises(tkinter.TclError, self.nb.forget, 'hi')
-        self.failUnlessRaises(tkinter.TclError, self.nb.forget, None)
+        self.assertRaises(tkinter.TclError, self.nb.forget, -1)
+        self.assertRaises(tkinter.TclError, self.nb.forget, 'hi')
+        self.assertRaises(tkinter.TclError, self.nb.forget, None)
 
         tabs = self.nb.tabs()
         child1_index = self.nb.index(self.child1)
         self.nb.forget(self.child1)
-        self.failIf(str(self.child1) in self.nb.tabs())
-        self.failUnlessEqual(len(tabs) - 1, len(self.nb.tabs()))
+        self.assertFalse(str(self.child1) in self.nb.tabs())
+        self.assertEqual(len(tabs) - 1, len(self.nb.tabs()))
 
         self.nb.add(self.child1)
-        self.failUnlessEqual(self.nb.index(self.child1), 1)
-        self.failIf(child1_index == self.nb.index(self.child1))
+        self.assertEqual(self.nb.index(self.child1), 1)
+        self.assertFalse(child1_index == self.nb.index(self.child1))
 
 
     def test_index(self):
-        self.failUnlessRaises(tkinter.TclError, self.nb.index, -1)
-        self.failUnlessRaises(tkinter.TclError, self.nb.index, None)
+        self.assertRaises(tkinter.TclError, self.nb.index, -1)
+        self.assertRaises(tkinter.TclError, self.nb.index, None)
 
-        self.failUnless(isinstance(self.nb.index('end'), int))
-        self.failUnlessEqual(self.nb.index(self.child1), 0)
-        self.failUnlessEqual(self.nb.index(self.child2), 1)
-        self.failUnlessEqual(self.nb.index('end'), 2)
+        self.assertTrue(isinstance(self.nb.index('end'), int))
+        self.assertEqual(self.nb.index(self.child1), 0)
+        self.assertEqual(self.nb.index(self.child2), 1)
+        self.assertEqual(self.nb.index('end'), 2)
 
 
     def test_insert(self):
         # moving tabs
         tabs = self.nb.tabs()
         self.nb.insert(1, tabs[0])
-        self.failUnlessEqual(self.nb.tabs(), (tabs[1], tabs[0]))
+        self.assertEqual(self.nb.tabs(), (tabs[1], tabs[0]))
         self.nb.insert(self.child1, self.child2)
-        self.failUnlessEqual(self.nb.tabs(), tabs)
+        self.assertEqual(self.nb.tabs(), tabs)
         self.nb.insert('end', self.child1)
-        self.failUnlessEqual(self.nb.tabs(), (tabs[1], tabs[0]))
+        self.assertEqual(self.nb.tabs(), (tabs[1], tabs[0]))
         self.nb.insert('end', 0)
-        self.failUnlessEqual(self.nb.tabs(), tabs)
+        self.assertEqual(self.nb.tabs(), tabs)
         # bad moves
-        self.failUnlessRaises(tkinter.TclError, self.nb.insert, 2, tabs[0])
-        self.failUnlessRaises(tkinter.TclError, self.nb.insert, -1, tabs[0])
+        self.assertRaises(tkinter.TclError, self.nb.insert, 2, tabs[0])
+        self.assertRaises(tkinter.TclError, self.nb.insert, -1, tabs[0])
 
         # new tab
         child3 = ttk.Label()
         self.nb.insert(1, child3)
-        self.failUnlessEqual(self.nb.tabs(), (tabs[0], str(child3), tabs[1]))
+        self.assertEqual(self.nb.tabs(), (tabs[0], str(child3), tabs[1]))
         self.nb.forget(child3)
-        self.failUnlessEqual(self.nb.tabs(), tabs)
+        self.assertEqual(self.nb.tabs(), tabs)
         self.nb.insert(self.child1, child3)
-        self.failUnlessEqual(self.nb.tabs(), (str(child3), ) + tabs)
+        self.assertEqual(self.nb.tabs(), (str(child3), ) + tabs)
         self.nb.forget(child3)
-        self.failUnlessRaises(tkinter.TclError, self.nb.insert, 2, child3)
-        self.failUnlessRaises(tkinter.TclError, self.nb.insert, -1, child3)
+        self.assertRaises(tkinter.TclError, self.nb.insert, 2, child3)
+        self.assertRaises(tkinter.TclError, self.nb.insert, -1, child3)
 
         # bad inserts
-        self.failUnlessRaises(tkinter.TclError, self.nb.insert, 'end', None)
-        self.failUnlessRaises(tkinter.TclError, self.nb.insert, None, 0)
-        self.failUnlessRaises(tkinter.TclError, self.nb.insert, None, None)
+        self.assertRaises(tkinter.TclError, self.nb.insert, 'end', None)
+        self.assertRaises(tkinter.TclError, self.nb.insert, None, 0)
+        self.assertRaises(tkinter.TclError, self.nb.insert, None, None)
 
 
     def test_select(self):
@@ -665,36 +665,36 @@ class NotebookTest(unittest.TestCase):
         self.nb.bind('<<NotebookTabChanged>>',
             lambda evt: tab_changed.append(True))
 
-        self.failUnlessEqual(self.nb.select(), str(self.child1))
+        self.assertEqual(self.nb.select(), str(self.child1))
         self.nb.select(self.child2)
-        self.failUnless(success)
-        self.failUnlessEqual(self.nb.select(), str(self.child2))
+        self.assertTrue(success)
+        self.assertEqual(self.nb.select(), str(self.child2))
 
         self.nb.update()
-        self.failUnless(tab_changed)
+        self.assertTrue(tab_changed)
 
 
     def test_tab(self):
-        self.failUnlessRaises(tkinter.TclError, self.nb.tab, -1)
-        self.failUnlessRaises(tkinter.TclError, self.nb.tab, 'notab')
-        self.failUnlessRaises(tkinter.TclError, self.nb.tab, None)
+        self.assertRaises(tkinter.TclError, self.nb.tab, -1)
+        self.assertRaises(tkinter.TclError, self.nb.tab, 'notab')
+        self.assertRaises(tkinter.TclError, self.nb.tab, None)
 
-        self.failUnless(isinstance(self.nb.tab(self.child1), dict))
-        self.failUnlessEqual(self.nb.tab(self.child1, text=None), 'a')
+        self.assertTrue(isinstance(self.nb.tab(self.child1), dict))
+        self.assertEqual(self.nb.tab(self.child1, text=None), 'a')
         # newer form for querying a single option
-        self.failUnlessEqual(self.nb.tab(self.child1, 'text'), 'a')
+        self.assertEqual(self.nb.tab(self.child1, 'text'), 'a')
         self.nb.tab(self.child1, text='abc')
-        self.failUnlessEqual(self.nb.tab(self.child1, text=None), 'abc')
-        self.failUnlessEqual(self.nb.tab(self.child1, 'text'), 'abc')
+        self.assertEqual(self.nb.tab(self.child1, text=None), 'abc')
+        self.assertEqual(self.nb.tab(self.child1, 'text'), 'abc')
 
 
     def test_tabs(self):
-        self.failUnlessEqual(len(self.nb.tabs()), 2)
+        self.assertEqual(len(self.nb.tabs()), 2)
 
         self.nb.forget(self.child1)
         self.nb.forget(self.child2)
 
-        self.failUnlessEqual(self.nb.tabs(), ())
+        self.assertEqual(self.nb.tabs(), ())
 
 
     def test_traversal(self):
@@ -705,16 +705,16 @@ class NotebookTest(unittest.TestCase):
 
         support.simulate_mouse_click(self.nb, 5, 5)
         self.nb.event_generate('<Control-Tab>')
-        self.failUnlessEqual(self.nb.select(), str(self.child2))
+        self.assertEqual(self.nb.select(), str(self.child2))
         self.nb.event_generate('<Shift-Control-Tab>')
-        self.failUnlessEqual(self.nb.select(), str(self.child1))
+        self.assertEqual(self.nb.select(), str(self.child1))
         self.nb.event_generate('<Shift-Control-Tab>')
-        self.failUnlessEqual(self.nb.select(), str(self.child2))
+        self.assertEqual(self.nb.select(), str(self.child2))
 
         self.nb.tab(self.child1, text='a', underline=0)
         self.nb.enable_traversal()
         self.nb.event_generate('<Alt-a>')
-        self.failUnlessEqual(self.nb.select(), str(self.child1))
+        self.assertEqual(self.nb.select(), str(self.child1))
 
 
 class TreeviewTest(unittest.TestCase):
@@ -730,17 +730,17 @@ class TreeviewTest(unittest.TestCase):
 
     def test_bbox(self):
         self.tv.pack()
-        self.failUnlessEqual(self.tv.bbox(''), '')
+        self.assertEqual(self.tv.bbox(''), '')
         self.tv.wait_visibility()
         self.tv.update()
 
         item_id = self.tv.insert('', 'end')
         children = self.tv.get_children()
-        self.failUnless(children)
+        self.assertTrue(children)
 
         bbox = self.tv.bbox(children[0])
-        self.failUnlessEqual(len(bbox), 4)
-        self.failUnless(isinstance(bbox, tuple))
+        self.assertEqual(len(bbox), 4)
+        self.assertTrue(isinstance(bbox, tuple))
         for item in bbox:
             if not isinstance(item, int):
                 self.fail("Invalid bounding box: %s" % bbox)
@@ -751,86 +751,86 @@ class TreeviewTest(unittest.TestCase):
         self.tv.column('test', width=50)
         bbox_column0 = self.tv.bbox(children[0], 0)
         root_width = self.tv.column('#0', width=None)
-        self.failUnlessEqual(bbox_column0[0], bbox[0] + root_width)
+        self.assertEqual(bbox_column0[0], bbox[0] + root_width)
 
         # verify that bbox of a closed item is the empty string
         child1 = self.tv.insert(item_id, 'end')
-        self.failUnlessEqual(self.tv.bbox(child1), '')
+        self.assertEqual(self.tv.bbox(child1), '')
 
 
     def test_children(self):
         # no children yet, should get an empty tuple
-        self.failUnlessEqual(self.tv.get_children(), ())
+        self.assertEqual(self.tv.get_children(), ())
 
         item_id = self.tv.insert('', 'end')
-        self.failUnless(isinstance(self.tv.get_children(), tuple))
-        self.failUnlessEqual(self.tv.get_children()[0], item_id)
+        self.assertTrue(isinstance(self.tv.get_children(), tuple))
+        self.assertEqual(self.tv.get_children()[0], item_id)
 
         # add item_id and child3 as children of child2
         child2 = self.tv.insert('', 'end')
         child3 = self.tv.insert('', 'end')
         self.tv.set_children(child2, item_id, child3)
-        self.failUnlessEqual(self.tv.get_children(child2), (item_id, child3))
+        self.assertEqual(self.tv.get_children(child2), (item_id, child3))
 
         # child3 has child2 as parent, thus trying to set child2 as a children
         # of child3 should result in an error
-        self.failUnlessRaises(tkinter.TclError,
+        self.assertRaises(tkinter.TclError,
             self.tv.set_children, child3, child2)
 
         # remove child2 children
         self.tv.set_children(child2)
-        self.failUnlessEqual(self.tv.get_children(child2), ())
+        self.assertEqual(self.tv.get_children(child2), ())
 
         # remove root's children
         self.tv.set_children('')
-        self.failUnlessEqual(self.tv.get_children(), ())
+        self.assertEqual(self.tv.get_children(), ())
 
 
     def test_column(self):
         # return a dict with all options/values
-        self.failUnless(isinstance(self.tv.column('#0'), dict))
+        self.assertTrue(isinstance(self.tv.column('#0'), dict))
         # return a single value of the given option
-        self.failUnless(isinstance(self.tv.column('#0', width=None), int))
+        self.assertTrue(isinstance(self.tv.column('#0', width=None), int))
         # set a new value for an option
         self.tv.column('#0', width=10)
         # testing new way to get option value
-        self.failUnlessEqual(self.tv.column('#0', 'width'), 10)
-        self.failUnlessEqual(self.tv.column('#0', width=None), 10)
+        self.assertEqual(self.tv.column('#0', 'width'), 10)
+        self.assertEqual(self.tv.column('#0', width=None), 10)
         # check read-only option
-        self.failUnlessRaises(tkinter.TclError, self.tv.column, '#0', id='X')
+        self.assertRaises(tkinter.TclError, self.tv.column, '#0', id='X')
 
-        self.failUnlessRaises(tkinter.TclError, self.tv.column, 'invalid')
+        self.assertRaises(tkinter.TclError, self.tv.column, 'invalid')
         invalid_kws = [
             {'unknown_option': 'some value'},  {'stretch': 'wrong'},
             {'anchor': 'wrong'}, {'width': 'wrong'}, {'minwidth': 'wrong'}
         ]
         for kw in invalid_kws:
-            self.failUnlessRaises(tkinter.TclError, self.tv.column, '#0',
+            self.assertRaises(tkinter.TclError, self.tv.column, '#0',
                 **kw)
 
 
     def test_delete(self):
-        self.failUnlessRaises(tkinter.TclError, self.tv.delete, '#0')
+        self.assertRaises(tkinter.TclError, self.tv.delete, '#0')
 
         item_id = self.tv.insert('', 'end')
         item2 = self.tv.insert(item_id, 'end')
-        self.failUnlessEqual(self.tv.get_children(), (item_id, ))
-        self.failUnlessEqual(self.tv.get_children(item_id), (item2, ))
+        self.assertEqual(self.tv.get_children(), (item_id, ))
+        self.assertEqual(self.tv.get_children(item_id), (item2, ))
 
         self.tv.delete(item_id)
-        self.failIf(self.tv.get_children())
+        self.assertFalse(self.tv.get_children())
 
         # reattach should fail
-        self.failUnlessRaises(tkinter.TclError,
+        self.assertRaises(tkinter.TclError,
             self.tv.reattach, item_id, '', 'end')
 
         # test multiple item delete
         item1 = self.tv.insert('', 'end')
         item2 = self.tv.insert('', 'end')
-        self.failUnlessEqual(self.tv.get_children(), (item1, item2))
+        self.assertEqual(self.tv.get_children(), (item1, item2))
 
         self.tv.delete(item1, item2)
-        self.failIf(self.tv.get_children())
+        self.assertFalse(self.tv.get_children())
 
 
     def test_detach_reattach(self):
@@ -840,81 +840,81 @@ class TreeviewTest(unittest.TestCase):
         # calling detach without items is valid, although it does nothing
         prev = self.tv.get_children()
         self.tv.detach() # this should do nothing
-        self.failUnlessEqual(prev, self.tv.get_children())
+        self.assertEqual(prev, self.tv.get_children())
 
-        self.failUnlessEqual(self.tv.get_children(), (item_id, ))
-        self.failUnlessEqual(self.tv.get_children(item_id), (item2, ))
+        self.assertEqual(self.tv.get_children(), (item_id, ))
+        self.assertEqual(self.tv.get_children(item_id), (item2, ))
 
         # detach item with children
         self.tv.detach(item_id)
-        self.failIf(self.tv.get_children())
+        self.assertFalse(self.tv.get_children())
 
         # reattach item with children
         self.tv.reattach(item_id, '', 'end')
-        self.failUnlessEqual(self.tv.get_children(), (item_id, ))
-        self.failUnlessEqual(self.tv.get_children(item_id), (item2, ))
+        self.assertEqual(self.tv.get_children(), (item_id, ))
+        self.assertEqual(self.tv.get_children(item_id), (item2, ))
 
         # move a children to the root
         self.tv.move(item2, '', 'end')
-        self.failUnlessEqual(self.tv.get_children(), (item_id, item2))
-        self.failUnlessEqual(self.tv.get_children(item_id), ())
+        self.assertEqual(self.tv.get_children(), (item_id, item2))
+        self.assertEqual(self.tv.get_children(item_id), ())
 
         # bad values
-        self.failUnlessRaises(tkinter.TclError,
+        self.assertRaises(tkinter.TclError,
             self.tv.reattach, 'nonexistent', '', 'end')
-        self.failUnlessRaises(tkinter.TclError,
+        self.assertRaises(tkinter.TclError,
             self.tv.detach, 'nonexistent')
-        self.failUnlessRaises(tkinter.TclError,
+        self.assertRaises(tkinter.TclError,
             self.tv.reattach, item2, 'otherparent', 'end')
-        self.failUnlessRaises(tkinter.TclError,
+        self.assertRaises(tkinter.TclError,
             self.tv.reattach, item2, '', 'invalid')
 
         # multiple detach
         self.tv.detach(item_id, item2)
-        self.failUnlessEqual(self.tv.get_children(), ())
-        self.failUnlessEqual(self.tv.get_children(item_id), ())
+        self.assertEqual(self.tv.get_children(), ())
+        self.assertEqual(self.tv.get_children(item_id), ())
 
 
     def test_exists(self):
-        self.failUnlessEqual(self.tv.exists('something'), False)
-        self.failUnlessEqual(self.tv.exists(''), True)
-        self.failUnlessEqual(self.tv.exists({}), False)
+        self.assertEqual(self.tv.exists('something'), False)
+        self.assertEqual(self.tv.exists(''), True)
+        self.assertEqual(self.tv.exists({}), False)
 
         # the following will make a tk.call equivalent to
         # tk.call(treeview, "exists") which should result in an error
         # in the tcl interpreter since tk requires an item.
-        self.failUnlessRaises(tkinter.TclError, self.tv.exists, None)
+        self.assertRaises(tkinter.TclError, self.tv.exists, None)
 
 
     def test_focus(self):
         # nothing is focused right now
-        self.failUnlessEqual(self.tv.focus(), '')
+        self.assertEqual(self.tv.focus(), '')
 
         item1 = self.tv.insert('', 'end')
         self.tv.focus(item1)
-        self.failUnlessEqual(self.tv.focus(), item1)
+        self.assertEqual(self.tv.focus(), item1)
 
         self.tv.delete(item1)
-        self.failUnlessEqual(self.tv.focus(), '')
+        self.assertEqual(self.tv.focus(), '')
 
         # try focusing inexistent item
-        self.failUnlessRaises(tkinter.TclError, self.tv.focus, 'hi')
+        self.assertRaises(tkinter.TclError, self.tv.focus, 'hi')
 
 
     def test_heading(self):
         # check a dict is returned
-        self.failUnless(isinstance(self.tv.heading('#0'), dict))
+        self.assertTrue(isinstance(self.tv.heading('#0'), dict))
 
         # check a value is returned
         self.tv.heading('#0', text='hi')
-        self.failUnlessEqual(self.tv.heading('#0', 'text'), 'hi')
-        self.failUnlessEqual(self.tv.heading('#0', text=None), 'hi')
+        self.assertEqual(self.tv.heading('#0', 'text'), 'hi')
+        self.assertEqual(self.tv.heading('#0', text=None), 'hi')
 
         # invalid option
-        self.failUnlessRaises(tkinter.TclError, self.tv.heading, '#0',
+        self.assertRaises(tkinter.TclError, self.tv.heading, '#0',
             background=None)
         # invalid value
-        self.failUnlessRaises(tkinter.TclError, self.tv.heading, '#0',
+        self.assertRaises(tkinter.TclError, self.tv.heading, '#0',
             anchor=1)
 
 
@@ -940,7 +940,7 @@ class TreeviewTest(unittest.TestCase):
         success = []
         commands = self.tv.master._tclCommands
         self.tv.heading('#0', command=str(self.tv.heading('#0', command=None)))
-        self.failUnlessEqual(commands, self.tv.master._tclCommands)
+        self.assertEqual(commands, self.tv.master._tclCommands)
         simulate_heading_click(5, 5)
         if not success:
             self.fail("The command associated to the treeview heading wasn't "
@@ -954,92 +954,92 @@ class TreeviewTest(unittest.TestCase):
 
     def test_index(self):
         # item 'what' doesn't exist
-        self.failUnlessRaises(tkinter.TclError, self.tv.index, 'what')
+        self.assertRaises(tkinter.TclError, self.tv.index, 'what')
 
-        self.failUnlessEqual(self.tv.index(''), 0)
+        self.assertEqual(self.tv.index(''), 0)
 
         item1 = self.tv.insert('', 'end')
         item2 = self.tv.insert('', 'end')
         c1 = self.tv.insert(item1, 'end')
         c2 = self.tv.insert(item1, 'end')
-        self.failUnlessEqual(self.tv.index(item1), 0)
-        self.failUnlessEqual(self.tv.index(c1), 0)
-        self.failUnlessEqual(self.tv.index(c2), 1)
-        self.failUnlessEqual(self.tv.index(item2), 1)
+        self.assertEqual(self.tv.index(item1), 0)
+        self.assertEqual(self.tv.index(c1), 0)
+        self.assertEqual(self.tv.index(c2), 1)
+        self.assertEqual(self.tv.index(item2), 1)
 
         self.tv.move(item2, '', 0)
-        self.failUnlessEqual(self.tv.index(item2), 0)
-        self.failUnlessEqual(self.tv.index(item1), 1)
+        self.assertEqual(self.tv.index(item2), 0)
+        self.assertEqual(self.tv.index(item1), 1)
 
         # check that index still works even after its parent and siblings
         # have been detached
         self.tv.detach(item1)
-        self.failUnlessEqual(self.tv.index(c2), 1)
+        self.assertEqual(self.tv.index(c2), 1)
         self.tv.detach(c1)
-        self.failUnlessEqual(self.tv.index(c2), 0)
+        self.assertEqual(self.tv.index(c2), 0)
 
         # but it fails after item has been deleted
         self.tv.delete(item1)
-        self.failUnlessRaises(tkinter.TclError, self.tv.index, c2)
+        self.assertRaises(tkinter.TclError, self.tv.index, c2)
 
 
     def test_insert_item(self):
         # parent 'none' doesn't exist
-        self.failUnlessRaises(tkinter.TclError, self.tv.insert, 'none', 'end')
+        self.assertRaises(tkinter.TclError, self.tv.insert, 'none', 'end')
 
         # open values
-        self.failUnlessRaises(tkinter.TclError, self.tv.insert, '', 'end',
+        self.assertRaises(tkinter.TclError, self.tv.insert, '', 'end',
             open='')
-        self.failUnlessRaises(tkinter.TclError, self.tv.insert, '', 'end',
+        self.assertRaises(tkinter.TclError, self.tv.insert, '', 'end',
             open='please')
-        self.failIf(self.tv.delete(self.tv.insert('', 'end', open=True)))
-        self.failIf(self.tv.delete(self.tv.insert('', 'end', open=False)))
+        self.assertFalse(self.tv.delete(self.tv.insert('', 'end', open=True)))
+        self.assertFalse(self.tv.delete(self.tv.insert('', 'end', open=False)))
 
         # invalid index
-        self.failUnlessRaises(tkinter.TclError, self.tv.insert, '', 'middle')
+        self.assertRaises(tkinter.TclError, self.tv.insert, '', 'middle')
 
         # trying to duplicate item id is invalid
         itemid = self.tv.insert('', 'end', 'first-item')
-        self.failUnlessEqual(itemid, 'first-item')
-        self.failUnlessRaises(tkinter.TclError, self.tv.insert, '', 'end',
+        self.assertEqual(itemid, 'first-item')
+        self.assertRaises(tkinter.TclError, self.tv.insert, '', 'end',
             'first-item')
-        self.failUnlessRaises(tkinter.TclError, self.tv.insert, '', 'end',
+        self.assertRaises(tkinter.TclError, self.tv.insert, '', 'end',
             MockTclObj('first-item'))
 
         # unicode values
         value = '\xe1ba'
         item = self.tv.insert('', 'end', values=(value, ))
-        self.failUnlessEqual(self.tv.item(item, 'values'), (value, ))
-        self.failUnlessEqual(self.tv.item(item, values=None), (value, ))
+        self.assertEqual(self.tv.item(item, 'values'), (value, ))
+        self.assertEqual(self.tv.item(item, values=None), (value, ))
 
         self.tv.item(item, values=list(self.tv.item(item, values=None)))
-        self.failUnlessEqual(self.tv.item(item, values=None), (value, ))
+        self.assertEqual(self.tv.item(item, values=None), (value, ))
 
-        self.failUnless(isinstance(self.tv.item(item), dict))
+        self.assertTrue(isinstance(self.tv.item(item), dict))
 
         # erase item values
         self.tv.item(item, values='')
-        self.failIf(self.tv.item(item, values=None))
+        self.assertFalse(self.tv.item(item, values=None))
 
         # item tags
         item = self.tv.insert('', 'end', tags=[1, 2, value])
-        self.failUnlessEqual(self.tv.item(item, tags=None), ('1', '2', value))
+        self.assertEqual(self.tv.item(item, tags=None), ('1', '2', value))
         self.tv.item(item, tags=[])
-        self.failIf(self.tv.item(item, tags=None))
+        self.assertFalse(self.tv.item(item, tags=None))
         self.tv.item(item, tags=(1, 2))
-        self.failUnlessEqual(self.tv.item(item, tags=None), ('1', '2'))
+        self.assertEqual(self.tv.item(item, tags=None), ('1', '2'))
 
         # values with spaces
         item = self.tv.insert('', 'end', values=('a b c',
             '%s %s' % (value, value)))
-        self.failUnlessEqual(self.tv.item(item, values=None),
+        self.assertEqual(self.tv.item(item, values=None),
             ('a b c', '%s %s' % (value, value)))
 
         # text
-        self.failUnlessEqual(self.tv.item(
+        self.assertEqual(self.tv.item(
             self.tv.insert('', 'end', text="Label here"), text=None),
             "Label here")
-        self.failUnlessEqual(self.tv.item(
+        self.assertEqual(self.tv.item(
             self.tv.insert('', 'end', text=value), text=None),
             value)
 
@@ -1047,29 +1047,29 @@ class TreeviewTest(unittest.TestCase):
     def test_set(self):
         self.tv['columns'] = ['A', 'B']
         item = self.tv.insert('', 'end', values=['a', 'b'])
-        self.failUnlessEqual(self.tv.set(item), {'A': 'a', 'B': 'b'})
+        self.assertEqual(self.tv.set(item), {'A': 'a', 'B': 'b'})
 
         self.tv.set(item, 'B', 'a')
-        self.failUnlessEqual(self.tv.item(item, values=None), ('a', 'a'))
+        self.assertEqual(self.tv.item(item, values=None), ('a', 'a'))
 
         self.tv['columns'] = ['B']
-        self.failUnlessEqual(self.tv.set(item), {'B': 'a'})
+        self.assertEqual(self.tv.set(item), {'B': 'a'})
 
         self.tv.set(item, 'B', 'b')
-        self.failUnlessEqual(self.tv.set(item, column='B'), 'b')
-        self.failUnlessEqual(self.tv.item(item, values=None), ('b', 'a'))
+        self.assertEqual(self.tv.set(item, column='B'), 'b')
+        self.assertEqual(self.tv.item(item, values=None), ('b', 'a'))
 
         self.tv.set(item, 'B', 123)
-        self.failUnlessEqual(self.tv.set(item, 'B'), 123)
-        self.failUnlessEqual(self.tv.item(item, values=None), (123, 'a'))
-        self.failUnlessEqual(self.tv.set(item), {'B': 123})
+        self.assertEqual(self.tv.set(item, 'B'), 123)
+        self.assertEqual(self.tv.item(item, values=None), (123, 'a'))
+        self.assertEqual(self.tv.set(item), {'B': 123})
 
         # inexistent column
-        self.failUnlessRaises(tkinter.TclError, self.tv.set, item, 'A')
-        self.failUnlessRaises(tkinter.TclError, self.tv.set, item, 'A', 'b')
+        self.assertRaises(tkinter.TclError, self.tv.set, item, 'A')
+        self.assertRaises(tkinter.TclError, self.tv.set, item, 'A', 'b')
 
         # inexistent item
-        self.failUnlessRaises(tkinter.TclError, self.tv.set, 'notme')
+        self.assertRaises(tkinter.TclError, self.tv.set, 'notme')
 
 
     def test_tag_bind(self):
@@ -1095,28 +1095,28 @@ class TreeviewTest(unittest.TestCase):
                 pos_y.add(i)
                 found.add(item_id)
 
-        self.failUnlessEqual(len(pos_y), 2) # item1 and item2 y pos
+        self.assertEqual(len(pos_y), 2) # item1 and item2 y pos
         for y in pos_y:
             support.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
-        self.failUnlessEqual(len(events), 4)
+        self.assertEqual(len(events), 4)
         for evt in zip(events[::2], events[1::2]):
-            self.failUnlessEqual(evt, (1, 2))
+            self.assertEqual(evt, (1, 2))
 
 
     def test_tag_configure(self):
         # Just testing parameter passing for now
-        self.failUnlessRaises(TypeError, self.tv.tag_configure)
-        self.failUnlessRaises(tkinter.TclError, self.tv.tag_configure,
+        self.assertRaises(TypeError, self.tv.tag_configure)
+        self.assertRaises(tkinter.TclError, self.tv.tag_configure,
             'test', sky='blue')
         self.tv.tag_configure('test', foreground='blue')
-        self.failUnlessEqual(self.tv.tag_configure('test', 'foreground'),
+        self.assertEqual(self.tv.tag_configure('test', 'foreground'),
             'blue')
-        self.failUnlessEqual(self.tv.tag_configure('test', foreground=None),
+        self.assertEqual(self.tv.tag_configure('test', foreground=None),
             'blue')
-        self.failUnless(isinstance(self.tv.tag_configure('test'), dict))
+        self.assertTrue(isinstance(self.tv.tag_configure('test'), dict))
 
 
 tests_gui = (