Test invalid payload type for websocket subscription

tests/components/knx/conftest.py

@@ -11,7 +11,13 @@ from xknx.dpt import DPTArray, DPTBinary
 from xknx.io import DEFAULT_MCAST_GRP, DEFAULT_MCAST_PORT
 from xknx.telegram import Telegram, TelegramDirection
 from xknx.telegram.address import GroupAddress, IndividualAddress
-from xknx.telegram.apci import APCI, GroupValueRead, GroupValueResponse, GroupValueWrite
+from xknx.telegram.apci import (
+    APCI,
+    GroupValueRead,
+    GroupValueResponse,
+    GroupValueWrite,
+    IndividualAddressRead,
+)
 
 from homeassistant.components.knx.const import (
     CONF_KNX_AUTOMATIC,
@@ -188,6 +194,19 @@ class KNXTestKit:
         await self.xknx.telegrams.join()
         await self.hass.async_block_till_done()
 
+    async def receive_individual_address_read(self):
+        """Inject incoming IndividualAddressRead telegram."""
+        self.xknx.telegrams.put_nowait(
+            Telegram(
+                destination_address=IndividualAddress(self.INDIVIDUAL_ADDRESS),
+                direction=TelegramDirection.INCOMING,
+                payload=IndividualAddressRead(),
+                source_address=IndividualAddress("1.3.5"),
+            )
+        )
+        await self.xknx.telegrams.join()
+        await self.hass.async_block_till_done()
+
     async def receive_read(
         self,
         group_address: str,

tests/components/knx/test_websocket.py

@@ -46,6 +46,7 @@ async def test_knx_subscribe_telegrams_command(
     await knx.receive_read("1/2/3")
     await knx.receive_write("1/3/4", True)
     await knx.receive_write("1/3/4", False)
+    await knx.receive_individual_address_read()
     await knx.receive_write("1/3/8", (0x34, 0x45))
     # send outgoing events
     await hass.services.async_call(
@@ -92,6 +93,6 @@ async def test_knx_subscribe_telegrams_command(
     assert res["event"]["type"] == "GroupValueWrite"
     assert (
         res["event"]["source_address"] == "0.0.0"
-    )  # needs to be the currently connected IA connected to
+    )  # needs to be the IA currently connected to
     assert res["event"]["direction"] == "label.outgoing"
     assert res["event"]["timestamp"] is not None