Add zwave_js support for HeatIt Z-TRM2fx (#50317)

* Add zwave_js support for HeatIt Z-TRM2fx

* fix docstring

* use AwesomeVersion to support firmware version ranges

* add guard against empty firmware range

* switch guard approach to raise exception sooner

* make post init more generic

* Set up firmware range schema as AwesomeVersion during initialization

* Update homeassistant/components/zwave_js/discovery.py

Co-authored-by: Martin Hjelmare <marhje52@gmail.com>

* Allow min_ver and max_ver to be None

* fix docstring

* reduce import scope

Co-authored-by: Martin Hjelmare <marhje52@gmail.com>

tests/components/zwave_js/test_climate.py

@@ -28,6 +28,7 @@ from homeassistant.components.climate.const import (
     SERVICE_SET_PRESET_MODE,
     SERVICE_SET_TEMPERATURE,
     SUPPORT_FAN_MODE,
+    SUPPORT_PRESET_MODE,
     SUPPORT_TARGET_TEMPERATURE,
     SUPPORT_TARGET_TEMPERATURE_RANGE,
 )
@@ -436,8 +437,10 @@ async def test_setpoint_thermostat(hass, client, climate_danfoss_lc_13, integrat
     client.async_send_command_no_wait.reset_mock()
 
 
-async def test_thermostat_heatit(hass, client, climate_heatit_z_trm3, integration):
-    """Test a thermostat v2 command class entity."""
+async def test_thermostat_heatit_z_trm3(
+    hass, client, climate_heatit_z_trm3, integration
+):
+    """Test a heatit Z-TRM3 entity."""
     node = climate_heatit_z_trm3
     state = hass.states.get(CLIMATE_FLOOR_THERMOSTAT_ENTITY)
 
@@ -501,6 +504,53 @@ async def test_thermostat_heatit(hass, client, climate_heatit_z_trm3, integratio
     assert state.attributes[ATTR_CURRENT_TEMPERATURE] == 25.5
 
 
+async def test_thermostat_heatit_z_trm2fx(
+    hass, client, climate_heatit_z_trm2fx, integration
+):
+    """Test a heatit Z-TRM2fx entity."""
+    node = climate_heatit_z_trm2fx
+    state = hass.states.get(CLIMATE_FLOOR_THERMOSTAT_ENTITY)
+
+    assert state
+    assert state.state == HVAC_MODE_HEAT
+    assert state.attributes[ATTR_HVAC_MODES] == [
+        HVAC_MODE_OFF,
+        HVAC_MODE_HEAT,
+        HVAC_MODE_COOL,
+    ]
+    assert state.attributes[ATTR_CURRENT_TEMPERATURE] == 28.8
+    assert state.attributes[ATTR_TEMPERATURE] == 29
+    assert (
+        state.attributes[ATTR_SUPPORTED_FEATURES]
+        == SUPPORT_TARGET_TEMPERATURE | SUPPORT_PRESET_MODE
+    )
+    assert state.attributes[ATTR_MIN_TEMP] == 7
+    assert state.attributes[ATTR_MAX_TEMP] == 35
+
+    # Try switching to external sensor
+    event = Event(
+        type="value updated",
+        data={
+            "source": "node",
+            "event": "value updated",
+            "nodeId": 24,
+            "args": {
+                "commandClassName": "Configuration",
+                "commandClass": 112,
+                "endpoint": 0,
+                "property": 2,
+                "propertyName": "Sensor mode",
+                "newValue": 4,
+                "prevValue": 2,
+            },
+        },
+    )
+    node.receive_event(event)
+    state = hass.states.get(CLIMATE_FLOOR_THERMOSTAT_ENTITY)
+    assert state
+    assert state.attributes[ATTR_CURRENT_TEMPERATURE] == 0
+
+
 async def test_thermostat_srt321_hrt4_zw(hass, client, srt321_hrt4_zw, integration):
     """Test a climate entity from a HRT4-ZW / SRT321 thermostat device.