Do not probe linkplay device if another config entry already contains the host (#146305)

* Do not probe if config entry already contains the host

* Add unit test

* Use common fixture

homeassistant/components/linkplay/config_flow.py

@@ -31,6 +31,9 @@ class LinkPlayConfigFlow(ConfigFlow, domain=DOMAIN):
     ) -> ConfigFlowResult:
         """Handle Zeroconf discovery."""
 
+        # Do not probe the device if the host is already configured
+        self._async_abort_entries_match({CONF_HOST: discovery_info.host})
+
         session: ClientSession = await async_get_client_session(self.hass)
         bridge: LinkPlayBridge | None = None
 

tests/components/linkplay/test_config_flow.py

@@ -220,3 +220,28 @@ async def test_user_flow_errors(
         CONF_HOST: HOST,
     }
     assert result["result"].unique_id == UUID
+
+
+@pytest.mark.usefixtures("mock_linkplay_factory_bridge")
+async def test_zeroconf_no_probe_existing_device(
+    hass: HomeAssistant, mock_linkplay_factory_bridge: AsyncMock
+) -> None:
+    """Test we do not probe the device is the host is already configured."""
+    entry = MockConfigEntry(
+        data={CONF_HOST: HOST},
+        domain=DOMAIN,
+        title=NAME,
+        unique_id=UUID,
+    )
+    entry.add_to_hass(hass)
+
+    result = await hass.config_entries.flow.async_init(
+        DOMAIN,
+        context={"source": SOURCE_ZEROCONF},
+        data=ZEROCONF_DISCOVERY,
+    )
+    await hass.async_block_till_done()
+
+    assert result["type"] is FlowResultType.ABORT
+    assert result["reason"] == "already_configured"
+    assert len(mock_linkplay_factory_bridge.mock_calls) == 0