Add min_mireds and max_mireds to MQTT Light (#32613)

* Add min_mireds and max_mireds to MQTT Light

* Add abbreviations for min_mireds and max_mireds

* Add tests for min_mireds and max_mireds

homeassistant/components/mqtt/abbreviations.py

@@ -69,6 +69,8 @@ ABBREVIATIONS = {
     "json_attr": "json_attributes",
     "json_attr_t": "json_attributes_topic",
     "json_attr_tpl": "json_attributes_template",
+    "max_mirs": "max_mireds",
+    "min_mirs": "min_mireds",
     "max_temp": "max_temp",
     "min_temp": "min_temp",
     "mode_cmd_t": "mode_command_topic",

homeassistant/components/mqtt/light/schema_basic.py

@@ -71,6 +71,8 @@ CONF_EFFECT_VALUE_TEMPLATE = "effect_value_template"
 CONF_HS_COMMAND_TOPIC = "hs_command_topic"
 CONF_HS_STATE_TOPIC = "hs_state_topic"
 CONF_HS_VALUE_TEMPLATE = "hs_value_template"
+CONF_MAX_MIREDS = "max_mireds"
+CONF_MIN_MIREDS = "min_mireds"
 CONF_RGB_COMMAND_TEMPLATE = "rgb_command_template"
 CONF_RGB_COMMAND_TOPIC = "rgb_command_topic"
 CONF_RGB_STATE_TOPIC = "rgb_state_topic"
@@ -116,6 +118,8 @@ PLATFORM_SCHEMA_BASIC = (
             vol.Optional(CONF_HS_COMMAND_TOPIC): mqtt.valid_publish_topic,
             vol.Optional(CONF_HS_STATE_TOPIC): mqtt.valid_subscribe_topic,
             vol.Optional(CONF_HS_VALUE_TEMPLATE): cv.template,
+            vol.Optional(CONF_MAX_MIREDS): cv.positive_int,
+            vol.Optional(CONF_MIN_MIREDS): cv.positive_int,
             vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
             vol.Optional(CONF_ON_COMMAND_TYPE, default=DEFAULT_ON_COMMAND_TYPE): vol.In(
                 VALUES_ON_COMMAND_TYPE
@@ -564,6 +568,16 @@ class MqttLight(
         """Return the color temperature in mired."""
         return self._color_temp
 
+    @property
+    def min_mireds(self):
+        """Return the coldest color_temp that this light supports."""
+        return self._config.get(CONF_MIN_MIREDS, super().min_mireds)
+
+    @property
+    def max_mireds(self):
+        """Return the warmest color_temp that this light supports."""
+        return self._config.get(CONF_MAX_MIREDS, super().max_mireds)
+
     @property
     def white_value(self):
         """Return the white property."""

homeassistant/components/mqtt/light/schema_json.py

@@ -81,6 +81,9 @@ CONF_FLASH_TIME_LONG = "flash_time_long"
 CONF_FLASH_TIME_SHORT = "flash_time_short"
 CONF_HS = "hs"
 
+CONF_MAX_MIREDS = "max_mireds"
+CONF_MIN_MIREDS = "min_mireds"
+
 # Stealing some of these from the base MQTT configs.
 PLATFORM_SCHEMA_JSON = (
     mqtt.MQTT_RW_PLATFORM_SCHEMA.extend(
@@ -100,6 +103,8 @@ PLATFORM_SCHEMA_JSON = (
                 CONF_FLASH_TIME_SHORT, default=DEFAULT_FLASH_TIME_SHORT
             ): cv.positive_int,
             vol.Optional(CONF_HS, default=DEFAULT_HS): cv.boolean,
+            vol.Optional(CONF_MAX_MIREDS): cv.positive_int,
+            vol.Optional(CONF_MIN_MIREDS): cv.positive_int,
             vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
             vol.Optional(CONF_OPTIMISTIC, default=DEFAULT_OPTIMISTIC): cv.boolean,
             vol.Optional(CONF_QOS, default=mqtt.DEFAULT_QOS): vol.All(
@@ -358,6 +363,16 @@ class MqttLightJson(
         """Return the color temperature in mired."""
         return self._color_temp
 
+    @property
+    def min_mireds(self):
+        """Return the coldest color_temp that this light supports."""
+        return self._config.get(CONF_MIN_MIREDS, super().min_mireds)
+
+    @property
+    def max_mireds(self):
+        """Return the warmest color_temp that this light supports."""
+        return self._config.get(CONF_MAX_MIREDS, super().max_mireds)
+
     @property
     def effect(self):
         """Return the current effect."""

homeassistant/components/mqtt/light/schema_template.py

@@ -63,6 +63,8 @@ CONF_COMMAND_ON_TEMPLATE = "command_on_template"
 CONF_EFFECT_LIST = "effect_list"
 CONF_EFFECT_TEMPLATE = "effect_template"
 CONF_GREEN_TEMPLATE = "green_template"
+CONF_MAX_MIREDS = "max_mireds"
+CONF_MIN_MIREDS = "min_mireds"
 CONF_RED_TEMPLATE = "red_template"
 CONF_STATE_TEMPLATE = "state_template"
 CONF_WHITE_VALUE_TEMPLATE = "white_value_template"
@@ -79,6 +81,8 @@ PLATFORM_SCHEMA_TEMPLATE = (
             vol.Optional(CONF_EFFECT_LIST): vol.All(cv.ensure_list, [cv.string]),
             vol.Optional(CONF_EFFECT_TEMPLATE): cv.template,
             vol.Optional(CONF_GREEN_TEMPLATE): cv.template,
+            vol.Optional(CONF_MAX_MIREDS): cv.positive_int,
+            vol.Optional(CONF_MIN_MIREDS): cv.positive_int,
             vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
             vol.Optional(CONF_OPTIMISTIC, default=DEFAULT_OPTIMISTIC): cv.boolean,
             vol.Optional(CONF_RED_TEMPLATE): cv.template,
@@ -337,6 +341,16 @@ class MqttTemplate(
         """Return the color temperature in mired."""
         return self._color_temp
 
+    @property
+    def min_mireds(self):
+        """Return the coldest color_temp that this light supports."""
+        return self._config.get(CONF_MIN_MIREDS, super().min_mireds)
+
+    @property
+    def max_mireds(self):
+        """Return the warmest color_temp that this light supports."""
+        return self._config.get(CONF_MAX_MIREDS, super().max_mireds)
+
     @property
     def hs_color(self):
         """Return the hs color value [int, int]."""

tests/components/mqtt/test_light.py

@@ -1483,3 +1483,22 @@ async def test_entity_debug_info_message(hass, mqtt_mock):
     await help_test_entity_debug_info_message(
         hass, mqtt_mock, light.DOMAIN, DEFAULT_CONFIG
     )
+
+
+async def test_max_mireds(hass, mqtt_mock):
+    """Test setting min_mireds and max_mireds."""
+    config = {
+        light.DOMAIN: {
+            "platform": "mqtt",
+            "name": "test",
+            "command_topic": "test_max_mireds/set",
+            "color_temp_command_topic": "test_max_mireds/color_temp/set",
+            "max_mireds": 370,
+        }
+    }
+
+    assert await async_setup_component(hass, light.DOMAIN, config)
+
+    state = hass.states.get("light.test")
+    assert state.attributes.get("min_mireds") == 153
+    assert state.attributes.get("max_mireds") == 370

tests/components/mqtt/test_light_json.py

@@ -1219,3 +1219,23 @@ async def test_entity_debug_info_message(hass, mqtt_mock):
     await help_test_entity_debug_info_message(
         hass, mqtt_mock, light.DOMAIN, DEFAULT_CONFIG, payload='{"state":"ON"}'
     )
+
+
+async def test_max_mireds(hass, mqtt_mock):
+    """Test setting min_mireds and max_mireds."""
+    config = {
+        light.DOMAIN: {
+            "platform": "mqtt",
+            "schema": "json",
+            "name": "test",
+            "command_topic": "test_max_mireds/set",
+            "color_temp": True,
+            "max_mireds": 370,
+        }
+    }
+
+    assert await async_setup_component(hass, light.DOMAIN, config)
+
+    state = hass.states.get("light.test")
+    assert state.attributes.get("min_mireds") == 153
+    assert state.attributes.get("max_mireds") == 370

tests/components/mqtt/test_light_template.py

@@ -976,3 +976,25 @@ async def test_entity_debug_info_message(hass, mqtt_mock):
         }
     }
     await help_test_entity_debug_info_message(hass, mqtt_mock, light.DOMAIN, config)
+
+
+async def test_max_mireds(hass, mqtt_mock):
+    """Test setting min_mireds and max_mireds."""
+    config = {
+        light.DOMAIN: {
+            "platform": "mqtt",
+            "schema": "template",
+            "name": "test",
+            "command_topic": "test_max_mireds/set",
+            "command_on_template": "on",
+            "command_off_template": "off",
+            "color_temp_template": "{{ value }}",
+            "max_mireds": 370,
+        }
+    }
+
+    assert await async_setup_component(hass, light.DOMAIN, config)
+
+    state = hass.states.get("light.test")
+    assert state.attributes.get("min_mireds") == 153
+    assert state.attributes.get("max_mireds") == 370