Correct set_temperature in modbus climate (#52923)

tests/components/modbus/test_climate.py

@@ -3,7 +3,15 @@ import pytest
 
 from homeassistant.components.climate import DOMAIN as CLIMATE_DOMAIN
 from homeassistant.components.climate.const import HVAC_MODE_AUTO
-from homeassistant.components.modbus.const import CONF_CLIMATES, CONF_TARGET_TEMP
+from homeassistant.components.modbus.const import (
+    CONF_CLIMATES,
+    CONF_DATA_TYPE,
+    CONF_TARGET_TEMP,
+    DATA_TYPE_FLOAT32,
+    DATA_TYPE_FLOAT64,
+    DATA_TYPE_INT16,
+    DATA_TYPE_INT32,
+)
 from homeassistant.const import (
     ATTR_TEMPERATURE,
     CONF_ADDRESS,
@@ -110,6 +118,46 @@ async def test_service_climate_update(hass, mock_pymodbus):
     assert hass.states.get(ENTITY_ID).state == "auto"
 
 
+@pytest.mark.parametrize(
+    "data_type, temperature, result",
+    [
+        (DATA_TYPE_INT16, 35, [0x00]),
+        (DATA_TYPE_INT32, 36, [0x00, 0x00]),
+        (DATA_TYPE_FLOAT32, 37.5, [0x00, 0x00]),
+        (DATA_TYPE_FLOAT64, "39", [0x00, 0x00, 0x00, 0x00]),
+    ],
+)
+async def test_service_climate_set_temperature(
+    hass, data_type, temperature, result, mock_pymodbus
+):
+    """Run test for service homeassistant.update_entity."""
+    config = {
+        CONF_CLIMATES: [
+            {
+                CONF_NAME: CLIMATE_NAME,
+                CONF_TARGET_TEMP: 117,
+                CONF_ADDRESS: 117,
+                CONF_SLAVE: 10,
+                CONF_DATA_TYPE: data_type,
+            }
+        ]
+    }
+    mock_pymodbus.read_holding_registers.return_value = ReadResult(result)
+    await prepare_service_update(
+        hass,
+        config,
+    )
+    await hass.services.async_call(
+        CLIMATE_DOMAIN,
+        "set_temperature",
+        {
+            "entity_id": ENTITY_ID,
+            ATTR_TEMPERATURE: temperature,
+        },
+        blocking=True,
+    )
+
+
 test_value = State(ENTITY_ID, 35)
 test_value.attributes = {ATTR_TEMPERATURE: 37}