diff options
Diffstat (limited to 'Lib/test/test_argparse.py')
| -rw-r--r-- | Lib/test/test_argparse.py | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/Lib/test/test_argparse.py b/Lib/test/test_argparse.py index b1f72a3..753a8da 100644 --- a/Lib/test/test_argparse.py +++ b/Lib/test/test_argparse.py @@ -4981,6 +4981,46 @@ class TestHelpMetavarTypeFormatter(HelpTestCase): version = '' +class TestHelpUsageLongSubparserCommand(TestCase): + """Test that subparser commands are formatted correctly in help""" + maxDiff = None + + def test_parent_help(self): + def custom_formatter(prog): + return argparse.RawTextHelpFormatter(prog, max_help_position=50) + + parent_parser = argparse.ArgumentParser( + prog='PROG', + formatter_class=custom_formatter + ) + + cmd_subparsers = parent_parser.add_subparsers(title="commands", + metavar='CMD', + help='command to use') + cmd_subparsers.add_parser("add", + help="add something") + + cmd_subparsers.add_parser("remove", + help="remove something") + + cmd_subparsers.add_parser("a-very-long-command", + help="command that does something") + + parser_help = parent_parser.format_help() + self.assertEqual(parser_help, textwrap.dedent('''\ + usage: PROG [-h] CMD ... + + options: + -h, --help show this help message and exit + + commands: + CMD command to use + add add something + remove remove something + a-very-long-command command that does something + ''')) + + # ===================================== # Optional/Positional constructor tests # ===================================== |