Deduplicate strings and fix sentence-casing in proximity (home-assistant#147777)

* Deduplicate strings and fix sentence-casing in `proximity`

* Update test_init.py

Author: NoRi2909

homeassistant/components/proximity/strings.json

@@ -1,13 +1,13 @@
 {
   "title": "Proximity",
   "config": {
-    "flow_title": "Proximity",
+    "flow_title": "[%key:component::proximity::title%]",
     "step": {
       "user": {
         "data": {
           "zone": "Zone to track distance to",
           "ignored_zones": "Zones to ignore",
-          "tracked_entities": "Devices or Persons to track",
+          "tracked_entities": "Devices or persons to track",
           "tolerance": "Tolerance distance"
         }
       }
@@ -21,34 +21,34 @@
     "step": {
       "init": {
         "data": {
-          "zone": "Zone to track distance to",
-          "ignored_zones": "Zones to ignore",
-          "tracked_entities": "Devices or Persons to track",
-          "tolerance": "Tolerance distance"
+          "zone": "[%key:component::proximity::config::step::user::data::zone%]",
+          "ignored_zones": "[%key:component::proximity::config::step::user::data::ignored_zones%]",
+          "tracked_entities": "[%key:component::proximity::config::step::user::data::tracked_entities%]",
+          "tolerance": "[%key:component::proximity::config::step::user::data::tolerance%]"
         }
       }
     }
   },
   "entity": {
     "sensor": {
       "dir_of_travel": {
-        "name": "{tracked_entity} Direction of travel",
+        "name": "{tracked_entity} direction of travel",
         "state": {
           "arrived": "Arrived",
           "away_from": "Away from",
           "stationary": "Stationary",
           "towards": "Towards"
         }
       },
-      "dist_to_zone": { "name": "{tracked_entity} Distance" },
+      "dist_to_zone": { "name": "{tracked_entity} distance" },
       "nearest": { "name": "Nearest device" },
       "nearest_dir_of_travel": {
         "name": "Nearest direction of travel",
         "state": {
-          "arrived": "Arrived",
-          "away_from": "Away from",
-          "stationary": "Stationary",
-          "towards": "Towards"
+          "arrived": "[%key:component::proximity::entity::sensor::dir_of_travel::state::arrived%]",
+          "away_from": "[%key:component::proximity::entity::sensor::dir_of_travel::state::away_from%]",
+          "stationary": "[%key:component::proximity::entity::sensor::dir_of_travel::state::stationary%]",
+          "towards": "[%key:component::proximity::entity::sensor::dir_of_travel::state::towards%]"
         }
       },
       "nearest_dist_to_zone": { "name": "Nearest distance" }

tests/components/proximity/test_init.py

@@ -871,7 +871,7 @@ async def test_sensor_unique_ids(
     assert entity
     assert entity.unique_id == f"{mock_config.entry_id}_{t1.id}_dist_to_zone"
     state = hass.states.get(sensor_t1)
-    assert state.attributes.get(ATTR_FRIENDLY_NAME) == "Home Test tracker 1 Distance"
+    assert state.attributes.get(ATTR_FRIENDLY_NAME) == "Home Test tracker 1 distance"
 
     entity = entity_registry.async_get("sensor.home_test2_distance")
     assert entity