"""Test different accessory types: Thermostats."""
from collections import namedtuple
from unittest.mock import patch

import pytest

from homeassistant.components.climate.const import (
    ATTR_CURRENT_TEMPERATURE,
    ATTR_HVAC_ACTIONS,
    ATTR_HVAC_MODE,
    ATTR_HVAC_MODES,
    ATTR_MAX_TEMP,
    ATTR_MIN_TEMP,
    ATTR_TARGET_TEMP_HIGH,
    ATTR_TARGET_TEMP_LOW,
    ATTR_TARGET_TEMP_STEP,
    CURRENT_HVAC_COOL,
    CURRENT_HVAC_HEAT,
    CURRENT_HVAC_IDLE,
    DEFAULT_MAX_TEMP,
    DEFAULT_MIN_TEMP,
    DOMAIN as DOMAIN_CLIMATE,
    HVAC_MODE_COOL,
    HVAC_MODE_HEAT,
    HVAC_MODE_HEAT_COOL,
    HVAC_MODE_OFF,
)
from homeassistant.components.homekit.const import (
    ATTR_VALUE,
    DEFAULT_MAX_TEMP_WATER_HEATER,
    DEFAULT_MIN_TEMP_WATER_HEATER,
    PROP_MAX_VALUE,
    PROP_MIN_STEP,
    PROP_MIN_VALUE,
)
from homeassistant.components.water_heater import DOMAIN as DOMAIN_WATER_HEATER
from homeassistant.const import (
    ATTR_ENTITY_ID,
    ATTR_SUPPORTED_FEATURES,
    ATTR_TEMPERATURE,
    CONF_TEMPERATURE_UNIT,
    TEMP_FAHRENHEIT,
)

from tests.common import async_mock_service
from tests.components.homekit.common import patch_debounce


@pytest.fixture(scope="module")
def cls():
    """Patch debounce decorator during import of type_thermostats."""
    patcher = patch_debounce()
    patcher.start()
    _import = __import__(
        "homeassistant.components.homekit.type_thermostats",
        fromlist=["Thermostat", "WaterHeater"],
    )
    patcher_tuple = namedtuple("Cls", ["thermostat", "water_heater"])
    yield patcher_tuple(thermostat=_import.Thermostat, water_heater=_import.WaterHeater)
    patcher.stop()


async def test_thermostat(hass, hk_driver, cls, events):
    """Test if accessory and HA are updated accordingly."""
    entity_id = "climate.test"

    hass.states.async_set(entity_id, HVAC_MODE_OFF)
    await hass.async_block_till_done()
    acc = cls.thermostat(hass, hk_driver, "Climate", entity_id, 2, None)
    await hass.async_add_job(acc.run)
    await hass.async_block_till_done()

    assert acc.aid == 2
    assert acc.category == 9  # Thermostat

    assert acc.get_temperature_range() == (7.0, 35.0)
    assert acc.char_current_heat_cool.value == 0
    assert acc.char_target_heat_cool.value == 0
    assert acc.char_current_temp.value == 21.0
    assert acc.char_target_temp.value == 21.0
    assert acc.char_display_units.value == 0
    assert acc.char_cooling_thresh_temp is None
    assert acc.char_heating_thresh_temp is None

    assert acc.char_target_temp.properties[PROP_MAX_VALUE] == DEFAULT_MAX_TEMP
    assert acc.char_target_temp.properties[PROP_MIN_VALUE] == DEFAULT_MIN_TEMP
    assert acc.char_target_temp.properties[PROP_MIN_STEP] == 0.5

    hass.states.async_set(
        entity_id,
        HVAC_MODE_HEAT,
        {
            ATTR_TEMPERATURE: 22.2,
            ATTR_CURRENT_TEMPERATURE: 17.8,
            ATTR_HVAC_ACTIONS: CURRENT_HVAC_HEAT,
        },
    )
    await hass.async_block_till_done()
    assert acc.char_target_temp.value == 22.0
    assert acc.char_current_heat_cool.value == 1
    assert acc.char_target_heat_cool.value == 1
    assert acc.char_current_temp.value == 18.0
    assert acc.char_display_units.value == 0

    hass.states.async_set(
        entity_id,
        HVAC_MODE_HEAT,
        {
            ATTR_TEMPERATURE: 22.0,
            ATTR_CURRENT_TEMPERATURE: 23.0,
            ATTR_HVAC_ACTIONS: CURRENT_HVAC_IDLE,
        },
    )
    await hass.async_block_till_done()
    assert acc.char_target_temp.value == 22.0
    assert acc.char_current_heat_cool.value == 0
    assert acc.char_target_heat_cool.value == 1
    assert acc.char_current_temp.value == 23.0
    assert acc.char_display_units.value == 0

    hass.states.async_set(
        entity_id,
        HVAC_MODE_COOL,
        {
            ATTR_TEMPERATURE: 20.0,
            ATTR_CURRENT_TEMPERATURE: 25.0,
            ATTR_HVAC_ACTIONS: CURRENT_HVAC_COOL,
        },
    )
    await hass.async_block_till_done()
    assert acc.char_target_temp.value == 20.0
    assert acc.char_current_heat_cool.value == 2
    assert acc.char_target_heat_cool.value == 2
    assert acc.char_current_temp.value == 25.0
    assert acc.char_display_units.value == 0

    hass.states.async_set(
        entity_id,
        HVAC_MODE_COOL,
        {
            ATTR_TEMPERATURE: 20.0,
            ATTR_CURRENT_TEMPERATURE: 19.0,
            ATTR_HVAC_ACTIONS: CURRENT_HVAC_IDLE,
        },
    )
    await hass.async_block_till_done()
    assert acc.char_target_temp.value == 20.0
    assert acc.char_current_heat_cool.value == 0
    assert acc.char_target_heat_cool.value == 2
    assert acc.char_current_temp.value == 19.0
    assert acc.char_display_units.value == 0

    hass.states.async_set(
        entity_id,
        HVAC_MODE_OFF,
        {ATTR_TEMPERATURE: 22.0, ATTR_CURRENT_TEMPERATURE: 18.0},
    )
    await hass.async_block_till_done()
    assert acc.char_target_temp.value == 22.0
    assert acc.char_current_heat_cool.value == 0
    assert acc.char_target_heat_cool.value == 0
    assert acc.char_current_temp.value == 18.0
    assert acc.char_display_units.value == 0

    hass.states.async_set(
        entity_id,
        HVAC_MODE_HEAT_COOL,
        {
            ATTR_HVAC_MODES: [HVAC_MODE_HEAT, HVAC_MODE_COOL],
            ATTR_TEMPERATURE: 22.0,
            ATTR_CURRENT_TEMPERATURE: 18.0,
            ATTR_HVAC_ACTIONS: CURRENT_HVAC_HEAT,
        },
    )
    await hass.async_block_till_done()
    assert acc.char_target_temp.value == 22.0
    assert acc.char_current_heat_cool.value == 1
    assert acc.char_target_heat_cool.value == 3
    assert acc.char_current_temp.value == 18.0
    assert acc.char_display_units.value == 0

    hass.states.async_set(
        entity_id,
        HVAC_MODE_HEAT_COOL,
        {
            ATTR_HVAC_MODES: [HVAC_MODE_HEAT, HVAC_MODE_COOL],
            ATTR_TEMPERATURE: 22.0,
            ATTR_CURRENT_TEMPERATURE: 25.0,
            ATTR_HVAC_ACTIONS: CURRENT_HVAC_COOL,
        },
    )
    await hass.async_block_till_done()
    assert acc.char_target_temp.value == 22.0
    assert acc.char_current_heat_cool.value == 2
    assert acc.char_target_heat_cool.value == 3
    assert acc.char_current_temp.value == 25.0
    assert acc.char_display_units.value == 0

    hass.states.async_set(
        entity_id,
        HVAC_MODE_HEAT_COOL,
        {
            ATTR_HVAC_MODES: [HVAC_MODE_HEAT, HVAC_MODE_COOL],
            ATTR_TEMPERATURE: 22.0,
            ATTR_CURRENT_TEMPERATURE: 22.0,
            ATTR_HVAC_ACTIONS: CURRENT_HVAC_IDLE,
        },
    )
    await hass.async_block_till_done()
    assert acc.char_target_temp.value == 22.0
    assert acc.char_current_heat_cool.value == 0
    assert acc.char_target_heat_cool.value == 3
    assert acc.char_current_temp.value == 22.0
    assert acc.char_display_units.value == 0

    # Set from HomeKit
    call_set_temperature = async_mock_service(hass, DOMAIN_CLIMATE, "set_temperature")
    call_set_hvac_mode = async_mock_service(hass, DOMAIN_CLIMATE, "set_hvac_mode")

    await hass.async_add_job(acc.char_target_temp.client_update_value, 19.0)
    await hass.async_block_till_done()
    assert call_set_temperature
    assert call_set_temperature[0].data[ATTR_ENTITY_ID] == entity_id
    assert call_set_temperature[0].data[ATTR_TEMPERATURE] == 19.0
    assert acc.char_target_temp.value == 19.0
    assert len(events) == 1
    assert events[-1].data[ATTR_VALUE] == "19.0°C"

    await hass.async_add_job(acc.char_target_heat_cool.client_update_value, 1)
    await hass.async_block_till_done()
    assert call_set_hvac_mode
    assert call_set_hvac_mode[0].data[ATTR_ENTITY_ID] == entity_id
    assert call_set_hvac_mode[0].data[ATTR_HVAC_MODE] == HVAC_MODE_HEAT
    assert acc.char_target_heat_cool.value == 1
    assert len(events) == 2
    assert events[-1].data[ATTR_VALUE] == HVAC_MODE_HEAT


async def test_thermostat_auto(hass, hk_driver, cls, events):
    """Test if accessory and HA are updated accordingly."""
    entity_id = "climate.test"

    # support_auto = True
    hass.states.async_set(entity_id, HVAC_MODE_OFF, {ATTR_SUPPORTED_FEATURES: 6})
    await hass.async_block_till_done()
    acc = cls.thermostat(hass, hk_driver, "Climate", entity_id, 2, None)
    await hass.async_add_job(acc.run)
    await hass.async_block_till_done()

    assert acc.char_cooling_thresh_temp.value == 23.0
    assert acc.char_heating_thresh_temp.value == 19.0

    assert acc.char_cooling_thresh_temp.properties[PROP_MAX_VALUE] == DEFAULT_MAX_TEMP
    assert acc.char_cooling_thresh_temp.properties[PROP_MIN_VALUE] == DEFAULT_MIN_TEMP
    assert acc.char_cooling_thresh_temp.properties[PROP_MIN_STEP] == 0.5
    assert acc.char_heating_thresh_temp.properties[PROP_MAX_VALUE] == DEFAULT_MAX_TEMP
    assert acc.char_heating_thresh_temp.properties[PROP_MIN_VALUE] == DEFAULT_MIN_TEMP
    assert acc.char_heating_thresh_temp.properties[PROP_MIN_STEP] == 0.5

    hass.states.async_set(
        entity_id,
        HVAC_MODE_HEAT_COOL,
        {
            ATTR_HVAC_MODE: HVAC_MODE_HEAT_COOL,
            ATTR_TARGET_TEMP_HIGH: 22.0,
            ATTR_TARGET_TEMP_LOW: 20.0,
            ATTR_CURRENT_TEMPERATURE: 18.0,
            ATTR_HVAC_ACTIONS: CURRENT_HVAC_HEAT,
        },
    )
    await hass.async_block_till_done()
    assert acc.char_heating_thresh_temp.value == 20.0
    assert acc.char_cooling_thresh_temp.value == 22.0
    assert acc.char_current_heat_cool.value == 1
    assert acc.char_target_heat_cool.value == 3
    assert acc.char_current_temp.value == 18.0
    assert acc.char_display_units.value == 0

    hass.states.async_set(
        entity_id,
        HVAC_MODE_HEAT_COOL,
        {
            ATTR_HVAC_MODE: HVAC_MODE_HEAT_COOL,
            ATTR_TARGET_TEMP_HIGH: 23.0,
            ATTR_TARGET_TEMP_LOW: 19.0,
            ATTR_CURRENT_TEMPERATURE: 24.0,
            ATTR_HVAC_ACTIONS: CURRENT_HVAC_COOL,
        },
    )
    await hass.async_block_till_done()
    assert acc.char_heating_thresh_temp.value == 19.0
    assert acc.char_cooling_thresh_temp.value == 23.0
    assert acc.char_current_heat_cool.value == 2
    assert acc.char_target_heat_cool.value == 3
    assert acc.char_current_temp.value == 24.0
    assert acc.char_display_units.value == 0

    hass.states.async_set(
        entity_id,
        HVAC_MODE_HEAT_COOL,
        {
            ATTR_HVAC_MODE: HVAC_MODE_HEAT_COOL,
            ATTR_TARGET_TEMP_HIGH: 23.0,
            ATTR_TARGET_TEMP_LOW: 19.0,
            ATTR_CURRENT_TEMPERATURE: 21.0,
            ATTR_HVAC_ACTIONS: CURRENT_HVAC_IDLE,
        },
    )
    await hass.async_block_till_done()
    assert acc.char_heating_thresh_temp.value == 19.0
    assert acc.char_cooling_thresh_temp.value == 23.0
    assert acc.char_current_heat_cool.value == 0
    assert acc.char_target_heat_cool.value == 3
    assert acc.char_current_temp.value == 21.0
    assert acc.char_display_units.value == 0

    # Set from HomeKit
    call_set_temperature = async_mock_service(hass, DOMAIN_CLIMATE, "set_temperature")

    await hass.async_add_job(acc.char_heating_thresh_temp.client_update_value, 20.0)
    await hass.async_block_till_done()
    assert call_set_temperature[0]
    assert call_set_temperature[0].data[ATTR_ENTITY_ID] == entity_id
    assert call_set_temperature[0].data[ATTR_TARGET_TEMP_LOW] == 20.0
    assert acc.char_heating_thresh_temp.value == 20.0
    assert len(events) == 1
    assert events[-1].data[ATTR_VALUE] == "heating threshold 20.0°C"

    await hass.async_add_job(acc.char_cooling_thresh_temp.client_update_value, 25.0)
    await hass.async_block_till_done()
    assert call_set_temperature[1]
    assert call_set_temperature[1].data[ATTR_ENTITY_ID] == entity_id
    assert call_set_temperature[1].data[ATTR_TARGET_TEMP_HIGH] == 25.0
    assert acc.char_cooling_thresh_temp.value == 25.0
    assert len(events) == 2
    assert events[-1].data[ATTR_VALUE] == "cooling threshold 25.0°C"


async def test_thermostat_power_state(hass, hk_driver, cls, events):
    """Test if accessory and HA are updated accordingly."""
    entity_id = "climate.test"

    # SUPPORT_ON_OFF = True
    hass.states.async_set(
        entity_id,
        HVAC_MODE_HEAT,
        {
            ATTR_SUPPORTED_FEATURES: 4096,
            ATTR_HVAC_MODE: HVAC_MODE_HEAT,
            ATTR_TEMPERATURE: 23.0,
            ATTR_CURRENT_TEMPERATURE: 18.0,
            ATTR_HVAC_ACTIONS: CURRENT_HVAC_HEAT,
        },
    )
    await hass.async_block_till_done()
    acc = cls.thermostat(hass, hk_driver, "Climate", entity_id, 2, None)
    await hass.async_add_job(acc.run)
    await hass.async_block_till_done()

    assert acc.char_current_heat_cool.value == 1
    assert acc.char_target_heat_cool.value == 1

    hass.states.async_set(
        entity_id,
        HVAC_MODE_OFF,
        {
            ATTR_HVAC_MODE: HVAC_MODE_HEAT,
            ATTR_TEMPERATURE: 23.0,
            ATTR_CURRENT_TEMPERATURE: 18.0,
            ATTR_HVAC_ACTIONS: CURRENT_HVAC_IDLE,
        },
    )
    await hass.async_block_till_done()
    assert acc.char_current_heat_cool.value == 0
    assert acc.char_target_heat_cool.value == 0

    hass.states.async_set(
        entity_id,
        HVAC_MODE_OFF,
        {
            ATTR_HVAC_MODE: HVAC_MODE_OFF,
            ATTR_TEMPERATURE: 23.0,
            ATTR_CURRENT_TEMPERATURE: 18.0,
            ATTR_HVAC_ACTIONS: CURRENT_HVAC_IDLE,
        },
    )
    await hass.async_block_till_done()
    assert acc.char_current_heat_cool.value == 0
    assert acc.char_target_heat_cool.value == 0

    # Set from HomeKit
    call_set_hvac_mode = async_mock_service(hass, DOMAIN_CLIMATE, "set_hvac_mode")

    await hass.async_add_job(acc.char_target_heat_cool.client_update_value, 1)
    await hass.async_block_till_done()
    assert call_set_hvac_mode
    assert call_set_hvac_mode[0].data[ATTR_ENTITY_ID] == entity_id
    assert call_set_hvac_mode[0].data[ATTR_HVAC_MODE] == HVAC_MODE_HEAT
    assert acc.char_target_heat_cool.value == 1
    assert len(events) == 1
    assert events[-1].data[ATTR_VALUE] == HVAC_MODE_HEAT

    await hass.async_add_job(acc.char_target_heat_cool.client_update_value, 0)
    await hass.async_block_till_done()
    assert acc.char_target_heat_cool.value == 0
    assert len(events) == 2
    assert events[-1].data[ATTR_VALUE] == HVAC_MODE_OFF


async def test_thermostat_fahrenheit(hass, hk_driver, cls, events):
    """Test if accessory and HA are updated accordingly."""
    entity_id = "climate.test"

    # support_ = True
    hass.states.async_set(entity_id, HVAC_MODE_OFF, {ATTR_SUPPORTED_FEATURES: 6})
    await hass.async_block_till_done()
    with patch.object(hass.config.units, CONF_TEMPERATURE_UNIT, new=TEMP_FAHRENHEIT):
        acc = cls.thermostat(hass, hk_driver, "Climate", entity_id, 2, None)
    await hass.async_add_job(acc.run)
    await hass.async_block_till_done()

    hass.states.async_set(
        entity_id,
        HVAC_MODE_HEAT_COOL,
        {
            ATTR_HVAC_MODE: HVAC_MODE_HEAT_COOL,
            ATTR_TARGET_TEMP_HIGH: 75.2,
            ATTR_TARGET_TEMP_LOW: 68.1,
            ATTR_TEMPERATURE: 71.6,
            ATTR_CURRENT_TEMPERATURE: 73.4,
        },
    )
    await hass.async_block_till_done()
    assert acc.get_temperature_range() == (7.0, 35.0)
    assert acc.char_heating_thresh_temp.value == 20.0
    assert acc.char_cooling_thresh_temp.value == 24.0
    assert acc.char_current_temp.value == 23.0
    assert acc.char_target_temp.value == 22.0
    assert acc.char_display_units.value == 1

    # Set from HomeKit
    call_set_temperature = async_mock_service(hass, DOMAIN_CLIMATE, "set_temperature")

    await hass.async_add_job(acc.char_cooling_thresh_temp.client_update_value, 23)
    await hass.async_block_till_done()
    assert call_set_temperature[0]
    assert call_set_temperature[0].data[ATTR_ENTITY_ID] == entity_id
    assert call_set_temperature[0].data[ATTR_TARGET_TEMP_HIGH] == 73.5
    assert call_set_temperature[0].data[ATTR_TARGET_TEMP_LOW] == 68
    assert len(events) == 1
    assert events[-1].data[ATTR_VALUE] == "cooling threshold 73.5°F"

    await hass.async_add_job(acc.char_heating_thresh_temp.client_update_value, 22)
    await hass.async_block_till_done()
    assert call_set_temperature[1]
    assert call_set_temperature[1].data[ATTR_ENTITY_ID] == entity_id
    assert call_set_temperature[1].data[ATTR_TARGET_TEMP_HIGH] == 73.5
    assert call_set_temperature[1].data[ATTR_TARGET_TEMP_LOW] == 71.5
    assert len(events) == 2
    assert events[-1].data[ATTR_VALUE] == "heating threshold 71.5°F"

    await hass.async_add_job(acc.char_target_temp.client_update_value, 24.0)
    await hass.async_block_till_done()
    assert call_set_temperature[2]
    assert call_set_temperature[2].data[ATTR_ENTITY_ID] == entity_id
    assert call_set_temperature[2].data[ATTR_TEMPERATURE] == 75.0
    assert len(events) == 3
    assert events[-1].data[ATTR_VALUE] == "75.0°F"


async def test_thermostat_get_temperature_range(hass, hk_driver, cls):
    """Test if temperature range is evaluated correctly."""
    entity_id = "climate.test"

    hass.states.async_set(entity_id, HVAC_MODE_OFF)
    await hass.async_block_till_done()
    acc = cls.thermostat(hass, hk_driver, "Climate", entity_id, 2, None)

    hass.states.async_set(
        entity_id, HVAC_MODE_OFF, {ATTR_MIN_TEMP: 20, ATTR_MAX_TEMP: 25}
    )
    await hass.async_block_till_done()
    assert acc.get_temperature_range() == (20, 25)

    acc._unit = TEMP_FAHRENHEIT
    hass.states.async_set(
        entity_id, HVAC_MODE_OFF, {ATTR_MIN_TEMP: 60, ATTR_MAX_TEMP: 70}
    )
    await hass.async_block_till_done()
    assert acc.get_temperature_range() == (15.5, 21.0)


async def test_thermostat_temperature_step_whole(hass, hk_driver, cls):
    """Test climate device with single digit precision."""
    entity_id = "climate.test"

    hass.states.async_set(entity_id, HVAC_MODE_OFF, {ATTR_TARGET_TEMP_STEP: 1})
    await hass.async_block_till_done()
    acc = cls.thermostat(hass, hk_driver, "Climate", entity_id, 2, None)
    await hass.async_add_job(acc.run)
    await hass.async_block_till_done()

    assert acc.char_target_temp.properties[PROP_MIN_STEP] == 1.0


async def test_water_heater(hass, hk_driver, cls, events):
    """Test if accessory and HA are updated accordingly."""
    entity_id = "water_heater.test"

    hass.states.async_set(entity_id, HVAC_MODE_HEAT)
    await hass.async_block_till_done()
    acc = cls.water_heater(hass, hk_driver, "WaterHeater", entity_id, 2, None)
    await hass.async_add_job(acc.run)
    await hass.async_block_till_done()

    assert acc.aid == 2
    assert acc.category == 9  # Thermostat

    assert acc.char_current_heat_cool.value == 1  # Heat
    assert acc.char_target_heat_cool.value == 1  # Heat
    assert acc.char_current_temp.value == 50.0
    assert acc.char_target_temp.value == 50.0
    assert acc.char_display_units.value == 0

    assert (
        acc.char_target_temp.properties[PROP_MAX_VALUE] == DEFAULT_MAX_TEMP_WATER_HEATER
    )
    assert (
        acc.char_target_temp.properties[PROP_MIN_VALUE] == DEFAULT_MIN_TEMP_WATER_HEATER
    )
    assert acc.char_target_temp.properties[PROP_MIN_STEP] == 0.5

    hass.states.async_set(
        entity_id,
        HVAC_MODE_HEAT,
        {ATTR_HVAC_MODE: HVAC_MODE_HEAT, ATTR_TEMPERATURE: 56.0},
    )
    await hass.async_block_till_done()
    assert acc.char_target_temp.value == 56.0
    assert acc.char_current_temp.value == 56.0
    assert acc.char_target_heat_cool.value == 1
    assert acc.char_current_heat_cool.value == 1
    assert acc.char_display_units.value == 0

    hass.states.async_set(
        entity_id, HVAC_MODE_HEAT_COOL, {ATTR_HVAC_MODE: HVAC_MODE_HEAT_COOL}
    )
    await hass.async_block_till_done()
    assert acc.char_target_heat_cool.value == 1
    assert acc.char_current_heat_cool.value == 1

    # Set from HomeKit
    call_set_temperature = async_mock_service(
        hass, DOMAIN_WATER_HEATER, "set_temperature"
    )

    await hass.async_add_job(acc.char_target_temp.client_update_value, 52.0)
    await hass.async_block_till_done()
    assert call_set_temperature
    assert call_set_temperature[0].data[ATTR_ENTITY_ID] == entity_id
    assert call_set_temperature[0].data[ATTR_TEMPERATURE] == 52.0
    assert acc.char_target_temp.value == 52.0
    assert len(events) == 1
    assert events[-1].data[ATTR_VALUE] == "52.0°C"

    await hass.async_add_job(acc.char_target_heat_cool.client_update_value, 0)
    await hass.async_block_till_done()
    assert acc.char_target_heat_cool.value == 1

    await hass.async_add_job(acc.char_target_heat_cool.client_update_value, 2)
    await hass.async_block_till_done()
    assert acc.char_target_heat_cool.value == 1

    await hass.async_add_job(acc.char_target_heat_cool.client_update_value, 3)
    await hass.async_block_till_done()
    assert acc.char_target_heat_cool.value == 1


async def test_water_heater_fahrenheit(hass, hk_driver, cls, events):
    """Test if accessory and HA are update accordingly."""
    entity_id = "water_heater.test"

    hass.states.async_set(entity_id, HVAC_MODE_HEAT)
    await hass.async_block_till_done()
    with patch.object(hass.config.units, CONF_TEMPERATURE_UNIT, new=TEMP_FAHRENHEIT):
        acc = cls.water_heater(hass, hk_driver, "WaterHeater", entity_id, 2, None)
    await hass.async_add_job(acc.run)
    await hass.async_block_till_done()

    hass.states.async_set(entity_id, HVAC_MODE_HEAT, {ATTR_TEMPERATURE: 131})
    await hass.async_block_till_done()
    assert acc.char_target_temp.value == 55.0
    assert acc.char_current_temp.value == 55.0
    assert acc.char_display_units.value == 1

    # Set from HomeKit
    call_set_temperature = async_mock_service(
        hass, DOMAIN_WATER_HEATER, "set_temperature"
    )

    await hass.async_add_job(acc.char_target_temp.client_update_value, 60)
    await hass.async_block_till_done()
    assert call_set_temperature
    assert call_set_temperature[0].data[ATTR_ENTITY_ID] == entity_id
    assert call_set_temperature[0].data[ATTR_TEMPERATURE] == 140.0
    assert acc.char_target_temp.value == 60.0
    assert len(events) == 1
    assert events[-1].data[ATTR_VALUE] == "140.0°F"


async def test_water_heater_get_temperature_range(hass, hk_driver, cls):
    """Test if temperature range is evaluated correctly."""
    entity_id = "water_heater.test"

    hass.states.async_set(entity_id, HVAC_MODE_HEAT)
    await hass.async_block_till_done()
    acc = cls.thermostat(hass, hk_driver, "WaterHeater", entity_id, 2, None)

    hass.states.async_set(
        entity_id, HVAC_MODE_HEAT, {ATTR_MIN_TEMP: 20, ATTR_MAX_TEMP: 25}
    )
    await hass.async_block_till_done()
    assert acc.get_temperature_range() == (20, 25)

    acc._unit = TEMP_FAHRENHEIT
    hass.states.async_set(
        entity_id, HVAC_MODE_OFF, {ATTR_MIN_TEMP: 60, ATTR_MAX_TEMP: 70}
    )
    await hass.async_block_till_done()
    assert acc.get_temperature_range() == (15.5, 21.0)
