from id_configurator.modules import base as base_module
from id_configurator.modules.base import (
    Module,
    all_modules,
    register,
    sanitize_filename,
)


def test_register_and_all_modules_are_isolated(monkeypatch) -> None:
    monkeypatch.setattr(base_module, "_REGISTRY", [])

    class DummyModule(Module):
        name = "dummy"

        def is_relevant(self, context) -> bool:
            return True

        def apply(self, context) -> None:
            pass

    register(DummyModule)

    assert all_modules() == [DummyModule]


def test_sanitize_filename_leaves_plain_names_untouched() -> None:
    assert sanitize_filename("interdiode") == "interdiode"


def test_sanitize_filename_replaces_forward_slash() -> None:
    assert sanitize_filename("../../etc/passwd") == "______etc_passwd"


def test_sanitize_filename_replaces_backslash() -> None:
    assert sanitize_filename(r"a\b") == "a_b"


def test_sanitize_filename_replaces_non_identifier_characters() -> None:
    assert sanitize_filename("My Root CA (v2).pem\n") == "My_Root_CA__v2__pem_"


def test_sanitize_filename_keeps_letters_digits_underscore_and_dash() -> None:
    assert sanitize_filename("Inter_Diode-2026") == "Inter_Diode-2026"


def test_sanitize_filename_never_returns_dot_names() -> None:
    assert sanitize_filename(".") == "_"
    assert sanitize_filename("..") == "__"


def test_sanitize_filename_never_returns_empty_string() -> None:
    assert sanitize_filename("") == "_"