fix tests

Author: Andy Landy

tests/dumps/test_main.argparse_code_wrong_args.txt

@@ -26,35 +26,6 @@ Traceback with variables (most recent call last):
 namespace = Namespace(arg=None)
       action = _StoreAction(option_strings=['--arg'], dest='arg', nargs=None, const=None, default=None, type=<class 'int'>, choices=None, help=None, metavar=None)
   File "...omitted for tests only.../argparse.py", line...omitted for tests only..., in _parse_known_args
-    self.error(_('the following arguments are required: %s') %
-      i = 1
-      arg_string_pattern_parts = ['O', 'A']
-arg_strings_iter = list_iterator()
-      arg_string = 'value'
-      option_tuple = None
-      pattern = 'A'
-      consume_optional = <function ArgumentParser._parse_known_args.<locals>.consume_optional at 0x...omitted for tests only...>
-      consume_positionals = <function ArgumentParser._parse_known_args.<locals>.consume_positionals at 0x...omitted for tests only...>
-      max_option_string_index = 0
-      next_option_string_index = 0
-      stop_index = 1
-      required_actions = ['--arg']
-action = _StoreAction(option_strings=['--arg'], dest='arg', nargs=None, const=None, default=None, type=<class 'int'>, choices=None, help=None, metavar=None)
-      action_conflicts = {}
-      arg_strings = ['--wrong', 'value']
-arg_strings_pattern = 'OA'
-      extras = ['--wrong', 'value']
-namespace = Namespace(arg=None)
-      option_string_indices = {0: (None, '--wrong', None)}
-      positionals = []
-seen_actions = set()
-      seen_non_default_actions = set()
-      self = ArgumentParser(prog='code.py', usage=None, description=None, formatter_class=<class 'argparse.HelpFormatter'>, conflict_handler='error', add_help=True)
-      start_index = 1
-      take_action = <function ArgumentParser._parse_known_args.<locals>.take_action at 0x...omitted for tests only...>
-  File "...omitted for tests only.../argparse.py", line...omitted for tests only..., in error
-    self.exit(2, _('%(prog)s: error: %(message)s/n') % args)
-      self = ArgumentParser(prog='code.py', usage=None, description=None, formatter_class=<class 'argparse.HelpFormatter'>, conflict_handler='error', add_help=True)
       message = 'the following arguments are required: --arg'
       args = {'prog': 'code.py', 'message': 'the following arguments are required: --arg'}
   File "...omitted for tests only.../argparse.py", line...omitted for tests only..., in exit

tests/test_main.py

@@ -144,6 +144,9 @@ def do_test_code_(main_argv: List[str], lines: List[str], code_argv: List[str],
             code_argv=code_argv,
             raises=raises
         )
+        if out.startswith('usage:') and out.count('\n') > 37:  # :)
+            lines = out.split('\n')
+            out = '\n'.join(lines[:27] + lines[-10:])  # argparse codes differs in py versions
         out = re.sub(r'\[([^-][^\s]+) \[[^\s]+ ...]]', r'[\1 ...]', out)
         out = re.sub(r']\s+', ']\n', out)
         out = out.replace('optional arguments', 'options')