From 5cf5f5b4cf044ca07d63a401d91aef741f088290 Mon Sep 17 00:00:00 2001
From: Bouwe Westerdijk <11290930+bouwew@users.noreply.github.com>
Date: Thu, 21 Sep 2023 19:31:53 +0200
Subject: [PATCH] Add missing step-differentiation for the Plugwise
 temperature_offset (#100654)

---
 homeassistant/components/plugwise/number.py |  6 +++++-
 tests/components/plugwise/test_number.py    | 14 +++++++++++++-
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/homeassistant/components/plugwise/number.py b/homeassistant/components/plugwise/number.py
index 7e387abea02..9865aec2242 100644
--- a/homeassistant/components/plugwise/number.py
+++ b/homeassistant/components/plugwise/number.py
@@ -114,7 +114,11 @@ class PlugwiseNumberEntity(PlugwiseEntity, NumberEntity):
         self._attr_mode = NumberMode.BOX
         self._attr_native_max_value = self.device[description.key]["upper_bound"]
         self._attr_native_min_value = self.device[description.key]["lower_bound"]
-        self._attr_native_step = max(self.device[description.key]["resolution"], 0.5)
+
+        native_step = self.device[description.key]["resolution"]
+        if description.key != "temperature_offset":
+            native_step = max(native_step, 0.5)
+        self._attr_native_step = native_step
 
     @property
     def native_value(self) -> float:
diff --git a/tests/components/plugwise/test_number.py b/tests/components/plugwise/test_number.py
index 6572a0df20e..6fa65b3e65a 100644
--- a/tests/components/plugwise/test_number.py
+++ b/tests/components/plugwise/test_number.py
@@ -71,10 +71,22 @@ async def test_adam_dhw_setpoint_change(
     )
 
 
+async def test_adam_temperature_offset(
+    hass: HomeAssistant, mock_smile_adam: MagicMock, init_integration: MockConfigEntry
+) -> None:
+    """Test creation of the temperature_offset number."""
+    state = hass.states.get("number.zone_thermostat_jessie_temperature_offset")
+    assert state
+    assert float(state.state) == 0.0
+    assert state.attributes.get("min") == -2.0
+    assert state.attributes.get("max") == 2.0
+    assert state.attributes.get("step") == 0.1
+
+
 async def test_adam_temperature_offset_change(
     hass: HomeAssistant, mock_smile_adam: MagicMock, init_integration: MockConfigEntry
 ) -> None:
-    """Test changing of number entities."""
+    """Test changing of the temperature_offset number."""
     await hass.services.async_call(
         NUMBER_DOMAIN,
         SERVICE_SET_VALUE,