"""Contract tests for BSDPlatform — verifies it fulfils Platform.

Runs on Linux. Tests verify the interface exists.
"""
from __future__ import annotations

from trcc.adapters.system.bsd_platform import BSDPlatform
from trcc.core.ports import Platform


class TestBSDPlatformIsPlatform:
    def test_is_os_platform(self):
        assert isinstance(BSDPlatform(), Platform)


class TestBSDPlatformContract:
    def setup_method(self):
        self._p = BSDPlatform()

    def test_create_detect_fn_exists(self):
        assert callable(self._p.create_detect_fn)

    def test_create_sensor_enumerator_exists(self):
        assert callable(self._p.create_sensor_enumerator)

    def test_autostart_methods_exist(self):
        assert callable(self._p.autostart_enable)
        assert callable(self._p.autostart_disable)
        assert callable(self._p.autostart_enabled)

    def test_get_memory_info_exists(self):
        assert callable(self._p.get_memory_info)

    def test_get_disk_info_exists(self):
        assert callable(self._p.get_disk_info)

    def test_config_dir_returns_string(self):
        assert isinstance(self._p.config_dir(), str)

    def test_distro_name_returns_string(self):
        assert isinstance(self._p.distro_name(), str)