from custom_components.localthings.registry.capability import Capability
from custom_components.localthings.registry.entities import BinarySensorDesc


def test_capability_defaults():
    c = Capability(
        href="/kidslock/vs/0",
        entities=(BinarySensorDesc(key="child_lock", field="x.com.samsung.da.kidsLock"),),
    )
    assert c.poll_tier == "cold"
    assert len(c.entities) == 1


def test_capability_is_frozen():
    c = Capability(href="/kidslock/vs/0", entities=())
    try:
        setattr(c, "href", "/other/vs/0")
    except Exception:
        return
    raise AssertionError("expected frozen dataclass")