From cce925c06ccb2aa6e06d3734065c361fac3556ef Mon Sep 17 00:00:00 2001
From: Erik Montnemery <erik@montnemery.com>
Date: Tue, 29 Oct 2024 16:11:48 +0100
Subject: [PATCH] Fix bad falsy-check in homeassistant.set_location service
 (#129389)

---
 .../components/homeassistant/__init__.py         |  2 +-
 tests/components/homeassistant/test_init.py      | 16 ++++++++++++++--
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/homeassistant/components/homeassistant/__init__.py b/homeassistant/components/homeassistant/__init__.py
index 3f123e07f6c..dc33b0c63e3 100644
--- a/homeassistant/components/homeassistant/__init__.py
+++ b/homeassistant/components/homeassistant/__init__.py
@@ -282,7 +282,7 @@ async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:  # noqa:
             "longitude": call.data[ATTR_LONGITUDE],
         }
 
-        if elevation := call.data.get(ATTR_ELEVATION):
+        if (elevation := call.data.get(ATTR_ELEVATION)) is not None:
             service_data["elevation"] = elevation
 
         await hass.config.async_update(**service_data)
diff --git a/tests/components/homeassistant/test_init.py b/tests/components/homeassistant/test_init.py
index 665cc2b6bb4..33d78cd6c9f 100644
--- a/tests/components/homeassistant/test_init.py
+++ b/tests/components/homeassistant/test_init.py
@@ -242,7 +242,7 @@ async def test_setting_location(hass: HomeAssistant) -> None:
     assert elevation != 50
     await hass.services.async_call(
         "homeassistant",
-        "set_location",
+        SERVICE_SET_LOCATION,
         {"latitude": 30, "longitude": 40},
         blocking=True,
     )
@@ -253,12 +253,24 @@ async def test_setting_location(hass: HomeAssistant) -> None:
 
     await hass.services.async_call(
         "homeassistant",
-        "set_location",
+        SERVICE_SET_LOCATION,
         {"latitude": 30, "longitude": 40, "elevation": 50},
         blocking=True,
     )
+    assert hass.config.latitude == 30
+    assert hass.config.longitude == 40
     assert hass.config.elevation == 50
 
+    await hass.services.async_call(
+        "homeassistant",
+        SERVICE_SET_LOCATION,
+        {"latitude": 30, "longitude": 40, "elevation": 0},
+        blocking=True,
+    )
+    assert hass.config.latitude == 30
+    assert hass.config.longitude == 40
+    assert hass.config.elevation == 0
+
 
 async def test_require_admin(
     hass: HomeAssistant, hass_read_only_user: MockUser