From badd06ede0dff2ae995acb8b095edfc3dd6b7956 Mon Sep 17 00:00:00 2001
From: Joakim Plate <elupus@ecce.se>
Date: Sun, 4 Jun 2023 10:39:28 +0200
Subject: [PATCH] Adjust liter unit and add gallons per minute

---
 homeassistant/const.py                |  3 ++-
 homeassistant/util/unit_conversion.py |  3 +++
 tests/util/test_unit_conversion.py    | 18 ++++++++++++++++++
 3 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/homeassistant/const.py b/homeassistant/const.py
index 71fad5c82f8..e71457f3c1e 100644
--- a/homeassistant/const.py
+++ b/homeassistant/const.py
@@ -1041,7 +1041,8 @@ class UnitOfVolumeFlowRate(StrEnum):
 
     CUBIC_METERS_PER_HOUR = "m³/h"
     CUBIC_FEET_PER_MINUTE = "ft³/m"
-    LITERS_PER_MINUTE = "l/m"
+    LITERS_PER_MINUTE = "L/min"
+    GALLONS_PER_MINUTE = "gal/min"
 
 
 _DEPRECATED_VOLUME_FLOW_RATE_CUBIC_METERS_PER_HOUR: Final = DeprecatedConstantEnum(
diff --git a/homeassistant/util/unit_conversion.py b/homeassistant/util/unit_conversion.py
index 8fb87d04822..15912fa2f6e 100644
--- a/homeassistant/util/unit_conversion.py
+++ b/homeassistant/util/unit_conversion.py
@@ -532,9 +532,12 @@ class VolumeFlowRateConverter(BaseUnitConverter):
         / (_HRS_TO_MINUTES * _CUBIC_FOOT_TO_CUBIC_METER),
         UnitOfVolumeFlowRate.LITERS_PER_MINUTE: 1
         / (_HRS_TO_MINUTES * _L_TO_CUBIC_METER),
+        UnitOfVolumeFlowRate.GALLONS_PER_MINUTE: 1
+        / (_HRS_TO_MINUTES * _GALLON_TO_CUBIC_METER),
     }
     VALID_UNITS = {
         UnitOfVolumeFlowRate.CUBIC_FEET_PER_MINUTE,
         UnitOfVolumeFlowRate.CUBIC_METERS_PER_HOUR,
         UnitOfVolumeFlowRate.LITERS_PER_MINUTE,
+        UnitOfVolumeFlowRate.GALLONS_PER_MINUTE,
     }
diff --git a/tests/util/test_unit_conversion.py b/tests/util/test_unit_conversion.py
index 8b662c398d9..08d362072d4 100644
--- a/tests/util/test_unit_conversion.py
+++ b/tests/util/test_unit_conversion.py
@@ -434,6 +434,12 @@ _CONVERTED_VALUE: dict[
             0.58857777,
             UnitOfVolumeFlowRate.CUBIC_FEET_PER_MINUTE,
         ),
+        (
+            1,
+            UnitOfVolumeFlowRate.CUBIC_METERS_PER_HOUR,
+            4.40286754,
+            UnitOfVolumeFlowRate.GALLONS_PER_MINUTE,
+        ),
         (
             1,
             UnitOfVolumeFlowRate.LITERS_PER_MINUTE,
@@ -446,6 +452,12 @@ _CONVERTED_VALUE: dict[
             0.03531466,
             UnitOfVolumeFlowRate.CUBIC_FEET_PER_MINUTE,
         ),
+        (
+            1,
+            UnitOfVolumeFlowRate.LITERS_PER_MINUTE,
+            0.264172052,
+            UnitOfVolumeFlowRate.GALLONS_PER_MINUTE,
+        ),
         (
             1,
             UnitOfVolumeFlowRate.CUBIC_FEET_PER_MINUTE,
@@ -458,6 +470,12 @@ _CONVERTED_VALUE: dict[
             28.3168465,
             UnitOfVolumeFlowRate.LITERS_PER_MINUTE,
         ),
+        (
+            1,
+            UnitOfVolumeFlowRate.CUBIC_FEET_PER_MINUTE,
+            7.48051948,
+            UnitOfVolumeFlowRate.GALLONS_PER_MINUTE,
+        ),
     ],
 }