Add sensor platform to Jellyfin (#79966)

tests/components/jellyfin/test_sensor.py

@@ -0,0 +1,51 @@
+"""Tests for the Jellyfin sensor platform."""
+from unittest.mock import MagicMock
+
+from homeassistant.components.jellyfin.const import DOMAIN
+from homeassistant.components.sensor import ATTR_STATE_CLASS
+from homeassistant.const import (
+    ATTR_DEVICE_CLASS,
+    ATTR_FRIENDLY_NAME,
+    ATTR_ICON,
+    ATTR_UNIT_OF_MEASUREMENT,
+)
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers import device_registry as dr, entity_registry as er
+
+from tests.common import MockConfigEntry
+
+
+async def test_watching(
+    hass: HomeAssistant,
+    init_integration: MockConfigEntry,
+    mock_jellyfin: MagicMock,
+) -> None:
+    """Test the Jellyfin watching sensor."""
+    device_registry = dr.async_get(hass)
+    entity_registry = er.async_get(hass)
+
+    state = hass.states.get("sensor.jellyfin_server")
+    assert state
+    assert state.attributes.get(ATTR_DEVICE_CLASS) is None
+    assert state.attributes.get(ATTR_FRIENDLY_NAME) == "JELLYFIN-SERVER"
+    assert state.attributes.get(ATTR_ICON) == "mdi:television-play"
+    assert state.attributes.get(ATTR_STATE_CLASS) is None
+    assert state.attributes.get(ATTR_UNIT_OF_MEASUREMENT) == "Watching"
+    assert state.state == "1"
+
+    entry = entity_registry.async_get(state.entity_id)
+    assert entry
+    assert entry.device_id
+    assert entry.entity_category is None
+    assert entry.unique_id == "SERVER-UUID-watching"
+
+    device = device_registry.async_get(entry.device_id)
+    assert device
+    assert device.configuration_url is None
+    assert device.connections == set()
+    assert device.entry_type is dr.DeviceEntryType.SERVICE
+    assert device.hw_version is None
+    assert device.identifiers == {(DOMAIN, "SERVER-UUID")}
+    assert device.manufacturer == "Jellyfin"
+    assert device.name == "JELLYFIN-SERVER"
+    assert device.sw_version is None