Function test_cli_remove_empty_groups

tests/test_source_cli.py:1900–1937

(capsys, monkeypatch)

def test_cli_remove_empty_groups(capsys, monkeypatch):
    class SubModel(BaseModel):
        pass

    class Settings(BaseSettings, cli_prog_name='example.py'):
        sub_model: SubModel

        model_config = SettingsConfigDict(cli_parse_args=True)

    with monkeypatch.context() as m:
        m.setattr(sys, 'argv', ['example.py', '--help'])

        with pytest.raises(SystemExit):
            Settings(_cli_avoid_json=False)

        assert (
            capsys.readouterr().out
            == f"""usage: example.py [-h] [--sub_model [JSON]]

{ARGPARSE_OPTIONS_TEXT}:
  -h, --help          show this help message and exit

sub_model options:
  --sub_model [JSON]  set sub_model from JSON string (default: {{}})
"""
        )

        with pytest.raises(SystemExit):
            Settings(_cli_avoid_json=True)

        assert (
            capsys.readouterr().out
            == f"""usage: example.py [-h]

{ARGPARSE_OPTIONS_TEXT}:
  -h, --help  show this help message and exit
"""
        )


def test_cli_hide_none_type(capsys, monkeypatch):