Do not activate Met.no without setting a Home coordinates (#48741)

tests/components/met/test_init.py

@@ -1,6 +1,15 @@
 """Test the Met integration init."""
-from homeassistant.components.met.const import DOMAIN
-from homeassistant.config_entries import ENTRY_STATE_LOADED, ENTRY_STATE_NOT_LOADED
+from homeassistant.components.met.const import (
+    DEFAULT_HOME_LATITUDE,
+    DEFAULT_HOME_LONGITUDE,
+    DOMAIN,
+)
+from homeassistant.config import async_process_ha_core_config
+from homeassistant.config_entries import (
+    ENTRY_STATE_LOADED,
+    ENTRY_STATE_NOT_LOADED,
+    ENTRY_STATE_SETUP_ERROR,
+)
 
 from . import init_integration
 
@@ -17,3 +26,24 @@ async def test_unload_entry(hass):
 
     assert entry.state == ENTRY_STATE_NOT_LOADED
     assert not hass.data.get(DOMAIN)
+
+
+async def test_fail_default_home_entry(hass, caplog):
+    """Test abort setup of default home location."""
+    await async_process_ha_core_config(
+        hass,
+        {"latitude": 52.3731339, "longitude": 4.8903147},
+    )
+
+    assert hass.config.latitude == DEFAULT_HOME_LATITUDE
+    assert hass.config.longitude == DEFAULT_HOME_LONGITUDE
+
+    entry = await init_integration(hass, track_home=True)
+
+    assert len(hass.config_entries.async_entries(DOMAIN)) == 1
+    assert entry.state == ENTRY_STATE_SETUP_ERROR
+
+    assert (
+        "Skip setting up met.no integration; No Home location has been set"
+        in caplog.text
+    )