Issue #524 switch from cool to heat don't change the target temp (#529)

* Preparation tests ok

* Fixed

---------

Co-authored-by: Jean-Marc Collin <jean-marc.collin-extern@renault.com>

custom_components/versatile_thermostat/base_thermostat.py

@@ -13,7 +13,6 @@ from homeassistant.util import dt as dt_util
 from homeassistant.core import (
     HomeAssistant,
     callback,
-    CoreState,
     Event,
     State,
 )
@@ -57,7 +56,6 @@ from homeassistant.const import (
     STATE_UNKNOWN,
     STATE_OFF,
     STATE_ON,
-    EVENT_HOMEASSISTANT_START,
     STATE_HOME,
     STATE_NOT_HOME,
 )
@@ -299,7 +297,7 @@ class BaseThermostat(ClimateEntity, RestoreEntity, Generic[T]):
         self._presets: dict[str, Any] = {}  # presets
         self._presets_away: dict[str, Any] = {}  # presets_away
 
-        self._attr_preset_modes: list[str] | None
+        self._attr_preset_modes: list[str] = []
 
         self._use_central_config_temperature = False
 
@@ -1237,7 +1235,7 @@ class BaseThermostat(ClimateEntity, RestoreEntity, Generic[T]):
             )
 
         # If AC is on maybe we have to change the temperature in force mode, but not in frost mode (there is no Frost protection possible in AC mode)
-        if self._hvac_mode == HVACMode.COOL and self.preset_mode != PRESET_NONE:
+        if self._hvac_mode in [HVACMode.COOL, HVACMode.HEAT, HVACMode.HEAT_COOL] and self.preset_mode != PRESET_NONE:
             if self.preset_mode != PRESET_FROST_PROTECTION:
                 await self._async_set_preset_mode_internal(self.preset_mode, True)
             else:
@@ -2183,7 +2181,7 @@ class BaseThermostat(ClimateEntity, RestoreEntity, Generic[T]):
             new_central_mode,
         )
 
-        first_init = self._last_central_mode == None
+        first_init = self._last_central_mode is None
 
         self._last_central_mode = new_central_mode
 

custom_components/versatile_thermostat/climate.py

@@ -72,6 +72,13 @@ async def async_setup_entry(
         entity = ThermostatOverClimate(hass, unique_id, name, entry.data)
     elif vt_type == CONF_THERMOSTAT_VALVE:
         entity = ThermostatOverValve(hass, unique_id, name, entry.data)
+    else:
+        _LOGGER.error(
+            "Cannot create Versatile Thermostat name=%s of type %s which is unknown",
+            name,
+            vt_type,
+        )
+        return
 
     async_add_entities([entity], True)
 

custom_components/versatile_thermostat/config_flow.py

@@ -99,30 +99,31 @@ class VersatileThermostatBaseConfigFlow(FlowHandler):
 
     def _init_feature_flags(self, _):
         """Fix features selection depending to infos"""
-        is_empty: bool = False  # TODO remove this not bool(infos)
         is_central_config = (
             self._infos.get(CONF_THERMOSTAT_TYPE) == CONF_THERMOSTAT_CENTRAL_CONFIG
         )
 
         self._infos[CONF_USE_WINDOW_FEATURE] = (
-            is_empty
+            self._infos.get(CONF_USE_WINDOW_CENTRAL_CONFIG)
             or self._infos.get(CONF_WINDOW_SENSOR) is not None
             or self._infos.get(CONF_WINDOW_AUTO_OPEN_THRESHOLD) is not None
         )
-        self._infos[CONF_USE_MOTION_FEATURE] = (
-            is_empty
-            or self._infos.get(CONF_MOTION_SENSOR) is not None
-            or is_central_config
-        )
-        self._infos[CONF_USE_POWER_FEATURE] = is_empty or (
+        self._infos[CONF_USE_MOTION_FEATURE] = self._infos.get(
+            CONF_USE_MOTION_FEATURE
+        ) and (self._infos.get(CONF_MOTION_SENSOR) is not None or is_central_config)
+
+        self._infos[CONF_USE_POWER_FEATURE] = self._infos.get(
+            CONF_USE_POWER_CENTRAL_CONFIG
+        ) or (
             self._infos.get(CONF_POWER_SENSOR) is not None
             and self._infos.get(CONF_MAX_POWER_SENSOR) is not None
         )
         self._infos[CONF_USE_PRESENCE_FEATURE] = (
-            is_empty or self._infos.get(CONF_PRESENCE_SENSOR) is not None
+            self._infos.get(CONF_USE_PRESENCE_CENTRAL_CONFIG)
+            or self._infos.get(CONF_PRESENCE_SENSOR) is not None
         )
 
-        self._infos[CONF_USE_CENTRAL_BOILER_FEATURE] = is_empty or (
+        self._infos[CONF_USE_CENTRAL_BOILER_FEATURE] = (
             self._infos.get(CONF_CENTRAL_BOILER_ACTIVATION_SRV) is not None
             and self._infos.get(CONF_CENTRAL_BOILER_DEACTIVATION_SRV) is not None
         )

custom_components/versatile_thermostat/prop_algorithm.py

@@ -14,6 +14,10 @@ PROPORTIONAL_MIN_DURATION_SEC = 10
 FUNCTION_TYPE = [PROPORTIONAL_FUNCTION_ATAN, PROPORTIONAL_FUNCTION_LINEAR]
 
 
+def is_number(value):
+    return isinstance(value, (int, float))
+
+
 class PropAlgorithm:
     """This class aims to do all calculation of the Proportional alogorithm"""
 
@@ -36,6 +40,30 @@ class PropAlgorithm:
             cycle_min,
             minimal_activation_delay,
         )
+
+        # Issue 506 - check parameters
+        if (
+            vtherm_entity_id is None
+            or not is_number(tpi_coef_int)
+            or not is_number(tpi_coef_ext)
+            or not is_number(cycle_min)
+            or not is_number(minimal_activation_delay)
+            or function_type != PROPORTIONAL_FUNCTION_TPI
+        ):
+            _LOGGER.error(
+                "%s - configuration is wrong. function_type=%s, entity_id is %s, tpi_coef_int is %s, tpi_coef_ext is %s, cycle_min is %s, minimal_activation_delay is %s",
+                vtherm_entity_id,
+                function_type,
+                vtherm_entity_id,
+                tpi_coef_int,
+                tpi_coef_ext,
+                cycle_min,
+                minimal_activation_delay,
+            )
+            raise TypeError(
+                f"TPI parameters are not set correctly. VTherm will not work as expected. Please reconfigure it correctly. See previous log for values"
+            )
+
         self._vtherm_entity_id = vtherm_entity_id
         self._function = function_type
         self._tpi_coef_int = tpi_coef_int

custom_components/versatile_thermostat/thermostat_climate.py

@@ -142,7 +142,17 @@ class ThermostatOverClimate(BaseThermostat[UnderlyingClimate]):
         """Sends the regulated temperature to all underlying"""
 
         if self.hvac_mode == HVACMode.OFF:
-            _LOGGER.debug("%s - don't send regulated temperature cause VTherm is off ")
+            _LOGGER.debug(
+                "%s - don't send regulated temperature cause VTherm is off ", self
+            )
+            return
+
+        if self.target_temperature is None:
+            _LOGGER.warning(
+                "%s - don't send regulated temperature cause VTherm target_temp (%s) is None. This should be a temporary warning message.",
+                self,
+                self.target_temperature,
+            )
             return
 
         _LOGGER.info(
@@ -169,16 +179,17 @@ class ThermostatOverClimate(BaseThermostat[UnderlyingClimate]):
 
         # use _attr_target_temperature_step to round value if _auto_regulation_dtemp is equal to 0
         regulation_step = self._auto_regulation_dtemp if self._auto_regulation_dtemp else self._attr_target_temperature_step
-        _LOGGER.debug("%s - usage of regulation_step: %.2f ",
-                      self,
-                      regulation_step)
-        
-        new_regulated_temp = round_to_nearest(
-            self._regulation_algo.calculate_regulated_temperature(
-                self.current_temperature, self._cur_ext_temp
-            ),
-            regulation_step,
-        )
+        _LOGGER.debug("%s - usage regulation_step: %.2f ", self, regulation_step)
+
+        if self.current_temperature is not None:
+            new_regulated_temp = round_to_nearest(
+                self._regulation_algo.calculate_regulated_temperature(
+                    self.current_temperature, self._cur_ext_temp
+                ),
+                regulation_step,
+            )
+        else:
+            new_regulated_temp = self.target_temperature
         dtemp = new_regulated_temp - self._regulated_target_temp
 
         if not force and abs(dtemp) < self._auto_regulation_dtemp:
@@ -203,8 +214,10 @@ class ThermostatOverClimate(BaseThermostat[UnderlyingClimate]):
             offset_temp = 0
             device_temp = 0
             if (
+                # current_temperature is set
+                self.current_temperature is not None
                 # regulation can use the device_temp
-                self.auto_regulation_use_device_temp
+                and self.auto_regulation_use_device_temp
                 # and we have access to the device temp
                 and (device_temp := under.underlying_current_temperature) is not None
                 # and target is not reach (ie we need regulation)

tests/commons.py

@@ -987,3 +987,8 @@ async def set_climate_preset_temp(
     )
     if temp_entity:
         await temp_entity.async_set_native_value(temp)
+    else:
+        _LOGGER.warning(
+            "commons tests set_cliamte_preset_temp: cannot find number entity with entity_id '%s'",
+            number_entity_id,
+        )

tests/test_auto_regulation.py

@@ -53,18 +53,6 @@ async def test_over_climate_regulation(
         return_value=fake_underlying_climate,
     ):
         entity = await create_thermostat(hass, entry, "climate.theoverclimatemockname")
-        # entry.add_to_hass(hass)
-        # await hass.config_entries.async_setup(entry.entry_id)
-        # assert entry.state is ConfigEntryState.LOADED
-        #
-        # def find_my_entity(entity_id) -> ClimateEntity:
-        #    """Find my new entity"""
-        #    component: EntityComponent[ClimateEntity] = hass.data[CLIMATE_DOMAIN]
-        #    for entity in component.entities:
-        #        if entity.entity_id == entity_id:
-        #            return entity
-        #
-        # entity: ThermostatOverClimate = find_my_entity("climate.theoverclimatemockname")
 
         assert entity
         assert isinstance(entity, ThermostatOverClimate)
@@ -163,18 +151,6 @@ async def test_over_climate_regulation_ac_mode(
         return_value=fake_underlying_climate,
     ):
         entity = await create_thermostat(hass, entry, "climate.theoverclimatemockname")
-        # entry.add_to_hass(hass)
-        # await hass.config_entries.async_setup(entry.entry_id)
-        # assert entry.state is ConfigEntryState.LOADED
-        #
-        # def find_my_entity(entity_id) -> ClimateEntity:
-        #     """Find my new entity"""
-        #     component: EntityComponent[ClimateEntity] = hass.data[CLIMATE_DOMAIN]
-        #     for entity in component.entities:
-        #         if entity.entity_id == entity_id:
-        #             return entity
-        #
-        # entity: ThermostatOverClimate = find_my_entity("climate.theoverclimatemockname")
 
         assert entity
         assert isinstance(entity, ThermostatOverClimate)
@@ -626,9 +602,7 @@ async def test_over_climate_regulation_dtemp_null(
 
             # the regulated temperature should be greater
             assert entity.regulated_target_temp > entity.target_temperature
-            assert (
-                entity.regulated_target_temp == 20 + 0.9
-            ) 
+            assert entity.regulated_target_temp == 20 + 0.9
 
             # change temperature so that the regulated temperature should slow down
         event_timestamp = now - timedelta(minutes=13)
@@ -641,9 +615,7 @@ async def test_over_climate_regulation_dtemp_null(
 
             # the regulated temperature should be greater
             assert entity.regulated_target_temp > entity.target_temperature
-            assert (
-                entity.regulated_target_temp == 20 + 0.5
-            ) 
+            assert entity.regulated_target_temp == 20 + 0.5
 
         old_regulated_temp = entity.regulated_target_temp
         # Test if a small temperature change is taken into account : change temperature so that dtemp < 0.5 and time is > period_min (+ 3min)
@@ -656,4 +628,4 @@ async def test_over_climate_regulation_dtemp_null(
             await send_ext_temperature_change_event(entity, 10, event_timestamp)
 
             # the regulated temperature should be greater. This does not work if dtemp is not null
-            assert entity.regulated_target_temp > old_regulated_temp
+            assert entity.regulated_target_temp > old_regulated_temp

tests/test_bugs.py

@@ -12,6 +12,18 @@ from homeassistant.components.climate import (
     SERVICE_SET_TEMPERATURE,
 )
 
+
+from custom_components.versatile_thermostat.config_flow import (
+    VersatileThermostatBaseConfigFlow,
+)
+from custom_components.versatile_thermostat.thermostat_valve import ThermostatOverValve
+from custom_components.versatile_thermostat.thermostat_climate import (
+    ThermostatOverClimate,
+)
+from custom_components.versatile_thermostat.thermostat_switch import (
+    ThermostatOverSwitch,
+)
+
 from .commons import *
 
 logging.getLogger().setLevel(logging.DEBUG)
@@ -1013,3 +1025,189 @@ async def test_bug_508(
                 ),
             ]
         )
+
+
+@pytest.mark.parametrize("expected_lingering_tasks", [True])
+@pytest.mark.parametrize("expected_lingering_timers", [True])
+async def test_bug_500_1(hass: HomeAssistant, init_vtherm_api) -> None:
+    """Test that the form is served with no input"""
+
+    config = {
+        CONF_THERMOSTAT_TYPE: CONF_THERMOSTAT_SWITCH,
+        CONF_USE_WINDOW_CENTRAL_CONFIG: True,
+        CONF_USE_POWER_CENTRAL_CONFIG: True,
+        CONF_USE_PRESENCE_CENTRAL_CONFIG: True,
+        CONF_USE_MOTION_FEATURE: True,
+        CONF_MOTION_SENSOR: "sensor.theMotionSensor",
+    }
+
+    flow = VersatileThermostatBaseConfigFlow(config)
+
+    assert flow._infos[CONF_USE_WINDOW_FEATURE] is True
+    assert flow._infos[CONF_USE_POWER_FEATURE] is True
+    assert flow._infos[CONF_USE_PRESENCE_FEATURE] is True
+    assert flow._infos[CONF_USE_MOTION_FEATURE] is True
+
+
+@pytest.mark.parametrize("expected_lingering_tasks", [True])
+@pytest.mark.parametrize("expected_lingering_timers", [True])
+async def test_bug_500_2(hass: HomeAssistant, init_vtherm_api) -> None:
+    """Test that the form is served with no input"""
+
+    config = {
+        CONF_THERMOSTAT_TYPE: CONF_THERMOSTAT_SWITCH,
+        CONF_USE_WINDOW_CENTRAL_CONFIG: False,
+        CONF_USE_POWER_CENTRAL_CONFIG: False,
+        CONF_USE_PRESENCE_CENTRAL_CONFIG: False,
+        CONF_USE_MOTION_FEATURE: False,
+    }
+
+    flow = VersatileThermostatBaseConfigFlow(config)
+
+    assert flow._infos[CONF_USE_WINDOW_FEATURE] is False
+    assert flow._infos[CONF_USE_POWER_FEATURE] is False
+    assert flow._infos[CONF_USE_PRESENCE_FEATURE] is False
+    assert flow._infos[CONF_USE_MOTION_FEATURE] is False
+
+
+@pytest.mark.parametrize("expected_lingering_tasks", [True])
+@pytest.mark.parametrize("expected_lingering_timers", [True])
+async def test_bug_500_3(hass: HomeAssistant, init_vtherm_api) -> None:
+    """Test that the form is served with no input"""
+
+    config = {
+        CONF_THERMOSTAT_TYPE: CONF_THERMOSTAT_SWITCH,
+        CONF_USE_WINDOW_CENTRAL_CONFIG: False,
+        CONF_WINDOW_SENSOR: "sensor.theWindowSensor",
+        CONF_USE_POWER_CENTRAL_CONFIG: False,
+        CONF_POWER_SENSOR: "sensor.thePowerSensor",
+        CONF_MAX_POWER_SENSOR: "sensor.theMaxPowerSensor",
+        CONF_USE_PRESENCE_CENTRAL_CONFIG: False,
+        CONF_PRESENCE_SENSOR: "sensor.thePresenceSensor",
+        CONF_USE_MOTION_FEATURE: True,  # motion sensor need to be checked AND a motion sensor set
+        CONF_MOTION_SENSOR: "sensor.theMotionSensor",
+    }
+
+    flow = VersatileThermostatBaseConfigFlow(config)
+
+    assert flow._infos[CONF_USE_WINDOW_FEATURE] is True
+    assert flow._infos[CONF_USE_POWER_FEATURE] is True
+    assert flow._infos[CONF_USE_PRESENCE_FEATURE] is True
+    assert flow._infos[CONF_USE_MOTION_FEATURE] is True
+
+
+@pytest.mark.parametrize("expected_lingering_tasks", [True])
+@pytest.mark.parametrize("expected_lingering_timers", [True])
+async def test_bug_524(hass: HomeAssistant, skip_hass_states_is_state):
+    """Test when switching from Cool to Heat the new temperature in Heat mode should be used"""
+
+    vtherm_api: VersatileThermostatAPI = VersatileThermostatAPI.get_vtherm_api(hass)
+
+    # The temperatures to set
+    temps = {
+        "frost": 7.0,
+        "eco": 17.0,
+        "comfort": 19.0,
+        "boost": 21.0,
+        "eco_ac": 27.0,
+        "comfort_ac": 25.0,
+        "boost_ac": 23.0,
+        "frost_away": 7.1,
+        "eco_away": 17.1,
+        "comfort_away": 19.1,
+        "boost_away": 21.1,
+        "eco_ac_away": 27.1,
+        "comfort_ac_away": 25.1,
+        "boost_ac_away": 23.1,
+    }
+
+    config_entry = MockConfigEntry(
+        domain=DOMAIN,
+        title="TheOverClimateMockName",
+        unique_id="overClimateUniqueId",
+        data={
+            CONF_NAME: "overClimate",
+            CONF_TEMP_SENSOR: "sensor.mock_temp_sensor",
+            CONF_THERMOSTAT_TYPE: CONF_THERMOSTAT_CLIMATE,
+            CONF_EXTERNAL_TEMP_SENSOR: "sensor.mock_ext_temp_sensor",
+            CONF_CYCLE_MIN: 5,
+            CONF_TEMP_MIN: 15,
+            CONF_TEMP_MAX: 30,
+            CONF_USE_WINDOW_FEATURE: False,
+            CONF_USE_MOTION_FEATURE: False,
+            CONF_USE_POWER_FEATURE: False,
+            CONF_USE_PRESENCE_FEATURE: True,
+            CONF_PRESENCE_SENSOR: "binary_sensor.presence_sensor",
+            CONF_CLIMATE: "climate.mock_climate",
+            CONF_MINIMAL_ACTIVATION_DELAY: 30,
+            CONF_SECURITY_DELAY_MIN: 5,
+            CONF_SECURITY_MIN_ON_PERCENT: 0.3,
+            CONF_AUTO_FAN_MODE: CONF_AUTO_FAN_TURBO,
+            CONF_AC_MODE: True,
+        },
+        # | temps,
+    )
+
+    fake_underlying_climate = MockClimate(
+        hass=hass,
+        unique_id="mock_climate",
+        name="mock_climate",
+        hvac_modes=[HVACMode.OFF, HVACMode.COOL, HVACMode.HEAT, HVACMode.FAN_ONLY],
+    )
+
+    with patch(
+        "custom_components.versatile_thermostat.underlyings.UnderlyingClimate.find_underlying_climate",
+        return_value=fake_underlying_climate,
+    ):
+        vtherm: ThermostatOverClimate = await create_thermostat(
+            hass, config_entry, "climate.overclimate"
+        )
+
+    assert vtherm is not None
+
+    # We search for NumberEntities
+    for preset_name, value in temps.items():
+
+        await set_climate_preset_temp(vtherm, preset_name, value)
+
+        temp_entity: NumberEntity = search_entity(
+            hass,
+            "number.overclimate_preset_" + preset_name + PRESET_TEMP_SUFFIX,
+            NUMBER_DOMAIN,
+        )
+        assert temp_entity
+        # Because set_value is not implemented in Number class (really don't understand why...)
+        assert temp_entity.state == value
+
+    # 1. Set mode to Heat and preset to Comfort
+    await send_presence_change_event(vtherm, True, False, datetime.now())
+    await vtherm.async_set_hvac_mode(HVACMode.HEAT)
+    await vtherm.async_set_preset_mode(PRESET_COMFORT)
+    await hass.async_block_till_done()
+
+    assert vtherm.target_temperature == 19.0
+
+    # 2. Only change the HVAC_MODE (and keep preset to comfort)
+    await vtherm.async_set_hvac_mode(HVACMode.COOL)
+    await hass.async_block_till_done()
+    assert vtherm.target_temperature == 25.0
+
+    # 3. Only change the HVAC_MODE (and keep preset to comfort)
+    await vtherm.async_set_hvac_mode(HVACMode.HEAT)
+    await hass.async_block_till_done()
+    assert vtherm.target_temperature == 19.0
+
+    # 4. Change presence to off
+    await send_presence_change_event(vtherm, False, True, datetime.now())
+    await hass.async_block_till_done()
+    assert vtherm.target_temperature == 19.1
+
+    # 5. Change hvac_mode to AC
+    await vtherm.async_set_hvac_mode(HVACMode.COOL)
+    await hass.async_block_till_done()
+    assert vtherm.target_temperature == 25.1
+
+    # 6. Change presence to on
+    await send_presence_change_event(vtherm, True, False, datetime.now())
+    await hass.async_block_till_done()
+    assert vtherm.target_temperature == 25

tests/test_central_boiler.py

@@ -731,7 +731,7 @@ async def test_update_central_boiler_state_simple_climate(
         "custom_components.versatile_thermostat.underlyings.UnderlyingClimate.find_underlying_climate",
         return_value=climate1,
     ):
-        entity: ThermostatOverValve = await create_thermostat(
+        entity: ThermostatOverClimate = await create_thermostat(
             hass, entry, "climate.theoverclimatemockname"
         )
         assert entity

tests/test_last_seen.py

@@ -5,9 +5,6 @@ from unittest.mock import patch, call
 from datetime import timedelta, datetime
 import logging
 
-from custom_components.versatile_thermostat.thermostat_climate import (
-    ThermostatOverClimate,
-)
 from custom_components.versatile_thermostat.thermostat_switch import (
     ThermostatOverSwitch,
 )

tests/test_start.py

@@ -254,6 +254,9 @@ async def test_over_switch_deactivate_preset(
             CONF_HEATER_KEEP_ALIVE: 0,
             CONF_SECURITY_DELAY_MIN: 10,
             CONF_MINIMAL_ACTIVATION_DELAY: 10,
+            CONF_PROP_FUNCTION: PROPORTIONAL_FUNCTION_TPI,
+            CONF_TPI_COEF_INT: 0.6,
+            CONF_TPI_COEF_EXT: 0.01,
         },
     )
 

tests/test_temp_number.py

@@ -79,6 +79,7 @@ async def test_add_number_for_central_config(
             CONF_SECURITY_MIN_ON_PERCENT: 0.5,
             CONF_SECURITY_DEFAULT_ON_PERCENT: 0.2,
             CONF_USE_CENTRAL_BOILER_FEATURE: False,
+            CONF_PROP_FUNCTION: PROPORTIONAL_FUNCTION_TPI,
         }
         | temps,
     )
@@ -156,6 +157,7 @@ async def test_add_number_for_central_config_without_temp(
             CONF_TEMP_MAX: 30,
             CONF_TPI_COEF_INT: 0.5,
             CONF_TPI_COEF_EXT: 0.02,
+            CONF_PROP_FUNCTION: PROPORTIONAL_FUNCTION_TPI,
             CONF_WINDOW_DELAY: 15,
             CONF_WINDOW_AUTO_OPEN_THRESHOLD: 4,
             CONF_WINDOW_AUTO_CLOSE_THRESHOLD: 1,
@@ -250,6 +252,7 @@ async def test_add_number_for_central_config_without_temp_ac_mode(
             CONF_AC_MODE: True,
             CONF_TPI_COEF_INT: 0.5,
             CONF_TPI_COEF_EXT: 0.02,
+            CONF_PROP_FUNCTION: PROPORTIONAL_FUNCTION_TPI,
             CONF_WINDOW_DELAY: 15,
             CONF_WINDOW_AUTO_OPEN_THRESHOLD: 4,
             CONF_WINDOW_AUTO_CLOSE_THRESHOLD: 1,
@@ -343,6 +346,7 @@ async def test_add_number_for_central_config_without_temp_restore(
             CONF_AC_MODE: False,
             CONF_TPI_COEF_INT: 0.5,
             CONF_TPI_COEF_EXT: 0.02,
+            CONF_PROP_FUNCTION: PROPORTIONAL_FUNCTION_TPI,
             CONF_WINDOW_DELAY: 15,
             CONF_WINDOW_AUTO_OPEN_THRESHOLD: 4,
             CONF_WINDOW_AUTO_CLOSE_THRESHOLD: 1,
@@ -441,6 +445,7 @@ async def test_add_number_for_over_switch_use_central(
             CONF_AC_MODE: False,
             CONF_TPI_COEF_INT: 0.5,
             CONF_TPI_COEF_EXT: 0.02,
+            CONF_PROP_FUNCTION: PROPORTIONAL_FUNCTION_TPI,
             CONF_USE_PRESENCE_CENTRAL_CONFIG: True,
             CONF_USE_ADVANCED_CENTRAL_CONFIG: True,
             CONF_USE_MAIN_CENTRAL_CONFIG: True,
@@ -666,6 +671,7 @@ async def test_add_number_for_over_switch_use_central_presets_and_restore(
             CONF_AC_MODE: False,
             CONF_TPI_COEF_INT: 0.5,
             CONF_TPI_COEF_EXT: 0.02,
+            CONF_PROP_FUNCTION: PROPORTIONAL_FUNCTION_TPI,
             CONF_CYCLE_MIN: 5,
             CONF_HEATER: "switch.mock_switch1",
             CONF_USE_PRESENCE_FEATURE: True,
@@ -788,6 +794,7 @@ async def test_change_central_config_temperature(
             CONF_TEMP_MAX: 30,
             CONF_TPI_COEF_INT: 0.5,
             CONF_TPI_COEF_EXT: 0.02,
+            CONF_PROP_FUNCTION: PROPORTIONAL_FUNCTION_TPI,
             CONF_CYCLE_MIN: 5,
             CONF_VALVE: "switch.mock_valve",
             CONF_USE_PRESENCE_FEATURE: True,
@@ -823,6 +830,7 @@ async def test_change_central_config_temperature(
             CONF_TPI_COEF_INT: 0.5,
             CONF_TPI_COEF_EXT: 0.02,
             CONF_CYCLE_MIN: 5,
+            CONF_PROP_FUNCTION: PROPORTIONAL_FUNCTION_TPI,
             CONF_VALVE: "switch.mock_valve",
             CONF_USE_PRESENCE_FEATURE: True,
             CONF_USE_PRESENCE_CENTRAL_CONFIG: False,
@@ -905,6 +913,7 @@ async def test_change_vtherm_temperature(
             CONF_TPI_COEF_INT: 0.5,
             CONF_TPI_COEF_EXT: 0.02,
             CONF_CYCLE_MIN: 5,
+            CONF_PROP_FUNCTION: PROPORTIONAL_FUNCTION_TPI,
             CONF_VALVE: "switch.mock_valve",
             CONF_USE_PRESENCE_FEATURE: True,
             CONF_USE_PRESENCE_CENTRAL_CONFIG: True,
@@ -939,6 +948,7 @@ async def test_change_vtherm_temperature(
             CONF_TPI_COEF_INT: 0.5,
             CONF_TPI_COEF_EXT: 0.02,
             CONF_CYCLE_MIN: 5,
+            CONF_PROP_FUNCTION: PROPORTIONAL_FUNCTION_TPI,
             CONF_VALVE: "switch.mock_valve",
             CONF_USE_PRESENCE_FEATURE: True,
             CONF_USE_PRESENCE_CENTRAL_CONFIG: False,
@@ -1022,6 +1032,7 @@ async def test_change_vtherm_temperature_with_presence(
             CONF_TEMP_MAX: 30,
             CONF_TPI_COEF_INT: 0.5,
             CONF_TPI_COEF_EXT: 0.02,
+            CONF_PROP_FUNCTION: PROPORTIONAL_FUNCTION_TPI,
             CONF_CYCLE_MIN: 5,
             CONF_AC_MODE: True,
             CONF_VALVE: "switch.mock_valve",
@@ -1063,6 +1074,7 @@ async def test_change_vtherm_temperature_with_presence(
             CONF_TEMP_MAX: 30,
             CONF_TPI_COEF_INT: 0.5,
             CONF_TPI_COEF_EXT: 0.02,
+            CONF_PROP_FUNCTION: PROPORTIONAL_FUNCTION_TPI,
             CONF_CYCLE_MIN: 5,
             CONF_VALVE: "switch.mock_valve",
             CONF_USE_PRESENCE_FEATURE: True,

tests/test_tpi.py

@@ -3,7 +3,10 @@
 from homeassistant.components.climate import HVACMode
 
 from custom_components.versatile_thermostat.base_thermostat import BaseThermostat
-from custom_components.versatile_thermostat.prop_algorithm import PropAlgorithm
+from custom_components.versatile_thermostat.prop_algorithm import (
+    PropAlgorithm,
+    PROPORTIONAL_FUNCTION_TPI,
+)
 from .commons import *  # pylint: disable=wildcard-import, unused-wildcard-import
 
 
@@ -121,3 +124,123 @@ async def test_tpi_calculation(
     assert tpi_algo.calculated_on_percent == 0
     assert tpi_algo.on_time_sec == 0
     assert tpi_algo.off_time_sec == 300
+
+
+@pytest.mark.parametrize("expected_lingering_tasks", [True])
+@pytest.mark.parametrize("expected_lingering_timers", [True])
+async def test_wrong_tpi_parameters(
+    hass: HomeAssistant, skip_hass_states_is_state: None
+):  # pylint: disable=unused-argument
+    """Test the wrong TPI parameters"""
+
+    # Nominal case
+    try:
+        algo = PropAlgorithm(
+            PROPORTIONAL_FUNCTION_TPI,
+            0.6,
+            0.01,
+            5,
+            1,
+            "entity_id",
+        )
+        # We should not be there
+        assert True
+    except TypeError as e:
+        # the normal case
+        assert False
+
+    # Test TPI function
+    try:
+        algo = PropAlgorithm(
+            "WRONG",
+            1,
+            0,
+            2,
+            3,
+            "entity_id",
+        )
+        # We should not be there
+        assert False
+    except TypeError as e:
+        # the normal case
+        pass
+
+    # Test coef_int
+    try:
+        algo = PropAlgorithm(
+            PROPORTIONAL_FUNCTION_TPI,
+            None,
+            0,
+            2,
+            3,
+            "entity_id",
+        )
+        # We should not be there
+        assert False
+    except TypeError as e:
+        # the normal case
+        pass
+
+    # Test coef_ext
+    try:
+        algo = PropAlgorithm(
+            PROPORTIONAL_FUNCTION_TPI,
+            0.6,
+            None,
+            2,
+            3,
+            "entity_id",
+        )
+        # We should not be there
+        assert False
+    except TypeError as e:
+        # the normal case
+        pass
+
+    # Test cycle_min
+    try:
+        algo = PropAlgorithm(
+            PROPORTIONAL_FUNCTION_TPI,
+            0.6,
+            0.00001,
+            None,
+            3,
+            "entity_id",
+        )
+        # We should not be there
+        assert False
+    except TypeError as e:
+        # the normal case
+        pass
+
+    # Test minimal_activation_delay
+    try:
+        algo = PropAlgorithm(
+            PROPORTIONAL_FUNCTION_TPI,
+            0.6,
+            0.00001,
+            0,
+            None,
+            "entity_id",
+        )
+        # We should not be there
+        assert False
+    except TypeError as e:
+        # the normal case
+        pass
+
+    # Test vtherm_entity_id
+    try:
+        algo = PropAlgorithm(
+            PROPORTIONAL_FUNCTION_TPI,
+            0.6,
+            0.00001,
+            0,
+            12,
+            None,
+        )
+        # We should not be there
+        assert False
+    except TypeError as e:
+        # the normal case
+        pass