Fix entity translations

tests/test_sensor.py

@@ -2,6 +2,7 @@
 
 from __future__ import annotations
 
+import json
 from pathlib import Path
 from unittest.mock import Mock
 
@@ -89,6 +90,31 @@ def test_total_sensor_count_and_unique_ids() -> None:
     sensors = _sensors(FakeClient())
     assert len(sensors) == 32
     assert len({sensor.unique_id for sensor in sensors}) == len(sensors)
+    assert {sensor.unique_id for sensor in sensors} == {
+        f"arkteos_zuran4_{description.key}" for description in SENSOR_DESCRIPTIONS
+    }
+
+
+def test_sensor_translation_keys_are_specific_and_translated() -> None:
+    translations_path = Path(__file__).parents[1] / "custom_components" / "arkteos" / "translations"
+    french_sensors = json.loads((translations_path / "fr.json").read_text())["entity"]["sensor"]
+    english_sensors = json.loads((translations_path / "en.json").read_text())["entity"]["sensor"]
+    translation_keys = [description.translation_key for description in SENSOR_DESCRIPTIONS]
+
+    assert all(translation_keys)
+    assert len(translation_keys) == len(set(translation_keys))
+    assert set(translation_keys) == set(french_sensors) == set(english_sensors)
+    assert all("name" in french_sensors[key] for key in translation_keys)
+    assert all("name" in english_sensors[key] for key in translation_keys)
+    assert not {"Temperature", "Power", "Frequency", "Duration", "Pressure", "Voltage", "Volume flow rate"} & {
+        english_sensors[key]["name"] for key in translation_keys
+    }
+
+
+def test_entities_expose_their_description_translation_key() -> None:
+    sensors = _sensors(FakeClient())
+    assert all(sensor.has_entity_name for sensor in sensors)
+    assert all(sensor.translation_key == sensor.entity_description.translation_key for sensor in sensors)
 
 
 def test_all_node_red_keys_are_described() -> None: