Function test_cli_source_prioritization

tests/test_source_cli.py:209–233

(env)

def test_cli_source_prioritization(env):
    class CfgDefault(BaseSettings):
        foo: str

    class CfgPrioritized(BaseSettings):
        foo: str

        @classmethod
        def settings_customise_sources(
            cls,
            settings_cls: type[BaseSettings],
            init_settings: PydanticBaseSettingsSource,
            env_settings: PydanticBaseSettingsSource,
            dotenv_settings: PydanticBaseSettingsSource,
            file_secret_settings: PydanticBaseSettingsSource,
        ) -> tuple[PydanticBaseSettingsSource, ...]:
            return env_settings, CliSettingsSource(settings_cls, cli_parse_args=['--foo', 'FOO FROM CLI'])

    env.set('FOO', 'FOO FROM ENV')

    cfg = CliApp.run(CfgDefault, cli_args=['--foo', 'FOO FROM CLI'])
    assert cfg.model_dump() == {'foo': 'FOO FROM CLI'}

    cfg = CfgPrioritized()
    assert cfg.model_dump() == {'foo': 'FOO FROM ENV'}


def test_cli_alias_subcommand_and_positional_args(capsys, monkeypatch):