From 7de1fe7416410f51d6e7280f1552cfd77b301ffd Mon Sep 17 00:00:00 2001
From: springstan <46536646+springstan@users.noreply.github.com>
Date: Sat, 19 Sep 2020 17:30:22 +0200
Subject: [PATCH] Use percentage constant in more integrations (#40165)

---
 homeassistant/components/growatt_server/sensor.py     | 5 +++--
 homeassistant/components/numato/__init__.py           | 4 ++--
 tests/components/nut/test_sensor.py                   | 6 +++---
 tests/testing_config/custom_components/test/sensor.py | 2 +-
 4 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/homeassistant/components/growatt_server/sensor.py b/homeassistant/components/growatt_server/sensor.py
index 384b35a0aff..e6ed422db0f 100644
--- a/homeassistant/components/growatt_server/sensor.py
+++ b/homeassistant/components/growatt_server/sensor.py
@@ -22,6 +22,7 @@ from homeassistant.const import (
     ELECTRICAL_CURRENT_AMPERE,
     ENERGY_KILO_WATT_HOUR,
     FREQUENCY_HERTZ,
+    PERCENTAGE,
     POWER_WATT,
     TEMP_CELSIUS,
     VOLT,
@@ -231,7 +232,7 @@ STORAGE_SENSOR_TYPES = {
     ),
     "storage_battery_percentage": (
         "Battery percentage",
-        "%",
+        PERCENTAGE,
         "capacity",
         {"device_class": DEVICE_CLASS_BATTERY},
     ),
@@ -339,7 +340,7 @@ STORAGE_SENSOR_TYPES = {
     ),
     "storage_load_percentage": (
         "Load percentage",
-        "%",
+        PERCENTAGE,
         "loadPercent",
         {"device_class": DEVICE_CLASS_BATTERY, "round": 2},
     ),
diff --git a/homeassistant/components/numato/__init__.py b/homeassistant/components/numato/__init__.py
index 8efc56e12fe..0f088cd179d 100644
--- a/homeassistant/components/numato/__init__.py
+++ b/homeassistant/components/numato/__init__.py
@@ -12,6 +12,7 @@ from homeassistant.const import (
     CONF_SWITCHES,
     EVENT_HOMEASSISTANT_START,
     EVENT_HOMEASSISTANT_STOP,
+    PERCENTAGE,
 )
 import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.discovery import load_platform
@@ -31,7 +32,6 @@ CONF_DST_UNIT = "unit"
 DEFAULT_INVERT_LOGIC = False
 DEFAULT_SRC_RANGE = [0, 1024]
 DEFAULT_DST_RANGE = [0.0, 100.0]
-DEFAULT_UNIT = "%"
 DEFAULT_DEV = [f"/dev/ttyACM{i}" for i in range(10)]
 
 PORT_RANGE = range(1, 8)  # ports 0-7 are ADC capable
@@ -82,7 +82,7 @@ ADC_SCHEMA = vol.Schema(
         vol.Required(CONF_NAME): cv.string,
         vol.Optional(CONF_SRC_RANGE, default=DEFAULT_SRC_RANGE): int_range,
         vol.Optional(CONF_DST_RANGE, default=DEFAULT_DST_RANGE): float_range,
-        vol.Optional(CONF_DST_UNIT, default=DEFAULT_UNIT): cv.string,
+        vol.Optional(CONF_DST_UNIT, default=PERCENTAGE): cv.string,
     }
 )
 
diff --git a/tests/components/nut/test_sensor.py b/tests/components/nut/test_sensor.py
index 42fdc09e2b1..4950d467d6a 100644
--- a/tests/components/nut/test_sensor.py
+++ b/tests/components/nut/test_sensor.py
@@ -72,7 +72,7 @@ async def test_5e850i(hass):
         "device_class": "battery",
         "friendly_name": "Ups1 Battery Charge",
         "state": "Online",
-        "unit_of_measurement": "%",
+        "unit_of_measurement": PERCENTAGE,
     }
     # Only test for a subset of attributes in case
     # HA changes the implementation and a new one appears
@@ -97,7 +97,7 @@ async def test_5e650i(hass):
         "device_class": "battery",
         "friendly_name": "Ups1 Battery Charge",
         "state": "Online Battery Charging",
-        "unit_of_measurement": "%",
+        "unit_of_measurement": PERCENTAGE,
     }
     # Only test for a subset of attributes in case
     # HA changes the implementation and a new one appears
@@ -125,7 +125,7 @@ async def test_backupsses600m1(hass):
         "device_class": "battery",
         "friendly_name": "Ups1 Battery Charge",
         "state": "Online",
-        "unit_of_measurement": "%",
+        "unit_of_measurement": PERCENTAGE,
     }
     # Only test for a subset of attributes in case
     # HA changes the implementation and a new one appears
diff --git a/tests/testing_config/custom_components/test/sensor.py b/tests/testing_config/custom_components/test/sensor.py
index 7cb8bb070b1..d9ed47844af 100644
--- a/tests/testing_config/custom_components/test/sensor.py
+++ b/tests/testing_config/custom_components/test/sensor.py
@@ -22,7 +22,7 @@ UNITS_OF_MEASUREMENT = {
     sensor.DEVICE_CLASS_POWER: "kW",  # power (W/kW)
     sensor.DEVICE_CLASS_CURRENT: "A",  # current (A)
     sensor.DEVICE_CLASS_ENERGY: "kWh",  # energy (Wh/kWh)
-    sensor.DEVICE_CLASS_POWER_FACTOR: "%",  # power factor (no unit, min: -1.0, max: 1.0)
+    sensor.DEVICE_CLASS_POWER_FACTOR: PERCENTAGE,  # power factor (no unit, min: -1.0, max: 1.0)
     sensor.DEVICE_CLASS_VOLTAGE: "V",  # voltage (V)
 }