Python assertions

Author: AndrewRadev

ftplugin/python/switch.vim

@@ -7,4 +7,5 @@ let b:switch_definitions =
       \   g:switch_builtins.python_dict_get,
       \   g:switch_builtins.python_string_style,
       \   g:switch_builtins.python_dict_style,
+      \   g:switch_builtins.python_asserts,
       \ ]

plugin/switch.vim

@@ -253,6 +253,12 @@ let g:switch_builtins =
       \     '''\(\%([^''\\]\|\\.\)*\)''':  '"\1"',
       \     'f\@!"\(\%([^"\\]\|\\.\)*\)"': 'f"\1"',
       \   },
+      \   'python_asserts': {
+      \     '\<assertTrue\>':      'assertFalse',
+      \     '\<assertFalse\>':     'assertTrue',
+      \     '\<assertIsNone\>':    'assertIsNotNone',
+      \     '\<assertIsNotNone\>': 'assertIsNone',
+      \   },
       \ }
 
 let g:switch_definitions =