python · miss-islington · Jan 23, 2025
@@ -98,8 +98,8 @@ def test_click_help(self):
            dialog.buttons['Help'].invoke()
            title, contents = view.kwds['title'], view.kwds['contents']
        self.assertEqual(title, 'Help for IDLE preferences')
-        self.assertTrue(contents.startswith('When you click') and
-                        contents.endswith('a different name.\n'))
+        self.assertStartsWith(contents, 'When you click')
+        self.assertEndsWith(contents,'a different name.\n')


 class FontPageTest(unittest.TestCase):

@@ -256,7 +256,7 @@ def test_init(self):
        flist = None
        master_window = self.root
        sv = debugger.StackViewer(master_window, flist, gui)
-        self.assertTrue(hasattr(sv, 'stack'))
+        self.assertHasAttr(sv, 'stack')

    def test_load_stack(self):
        # Test the .load_stack() method against a fixed test stack.

@@ -143,7 +143,7 @@ def test_found(self):
        self.assertIn(pat, lines[0])
        self.assertIn('py: 1:', lines[1])  # line number 1
        self.assertIn('2', lines[3])  # hits found 2
-        self.assertTrue(lines[4].startswith('(Hint:'))
+        self.assertStartsWith(lines[4], '(Hint:')


 class Default_commandTest(unittest.TestCase):

@@ -27,7 +27,7 @@ def tearDownClass(cls):
    def test_creator(self):
        mc = self.mc
        self.assertIs(multicall._multicall_dict[Text], mc)
-        self.assertTrue(issubclass(mc, Text))
+        self.assertIsSubclass(mc, Text)
        mc2 = multicall.MultiCallCreator(Text)
        self.assertIs(mc, mc2)


@@ -134,10 +134,10 @@ def test_c_source_name(self):

    def test_good_module_name(self):
        dialog = self.Dummy_ModuleName('idlelib')
-        self.assertTrue(dialog.entry_ok().endswith('__init__.py'))
+        self.assertEndsWith(dialog.entry_ok(), '__init__.py')
        self.assertEqual(dialog.entry_error['text'], '')
        dialog = self.Dummy_ModuleName('idlelib.idle')
-        self.assertTrue(dialog.entry_ok().endswith('idle.py'))
+        self.assertEndsWith(dialog.entry_ok(), 'idle.py')
        self.assertEqual(dialog.entry_error['text'], '')


@@ -389,7 +389,7 @@ def test_click_module_name(self):
        self.assertEqual(dialog.text0, 'idlelib')
        self.assertEqual(dialog.entry.get(), 'idlelib')
        dialog.button_ok.invoke()
-        self.assertTrue(dialog.result.endswith('__init__.py'))
+        self.assertEndsWith(dialog.result, '__init__.py')
        root.destroy()



@@ -34,7 +34,7 @@ def test_close(self):
        redir.register('insert', Func)
        redir.close()
        self.assertEqual(redir._operations, {})
-        self.assertFalse(hasattr(self.text, 'widget'))
+        self.assertNotHasAttr(self.text, 'widget')


 class WidgetRedirectorTest(unittest.TestCase):

@@ -725,7 +725,7 @@ def test_copy(self):

        text.tag_add('sel', f'{first_line}.0', 'end-1c')
        selected_text = text.get('sel.first', 'sel.last')
-        self.assertTrue(selected_text.startswith('if True:\n'))
+        self.assertStartsWith(selected_text, 'if True:\n')
        self.assertIn('\n1\n', selected_text)

        text.event_generate('<<copy>>')
@@ -749,7 +749,7 @@ def test_copy_with_prompts(self):

        text.tag_add('sel', f'{first_line}.3', 'end-1c')
        selected_text = text.get('sel.first', 'sel.last')
-        self.assertTrue(selected_text.startswith('True:\n'))
+        self.assertStartsWith(selected_text, 'True:\n')

        selected_lines_text = text.get('sel.first linestart', 'sel.last')
        selected_lines = selected_lines_text.split('\n')