Binary uplink takes audio chunks beside image frames (openpanel VS4)

backend/tests/api/routes/test_cameras.py

@@ -248,7 +248,7 @@ def test_a_frame_the_device_may_not_send_is_dropped(
 
     # By fixed keys, never in the words the device chose.
     said = [r.getMessage() for r in caplog.records if "Dropped a frame" in r.message]
-    for key in ("not_image", "not_wired", "media_type", "not_a_frame"):
+    for key in ("not_media", "not_wired", "media_type", "not_a_frame"):
         assert f"Dropped a frame from cam1: {FRAME_REFUSALS[key]}" in said
     assert any(FRAME_REFUSALS["not_a_device"] in line for line in said)
     assert not any("elsewhere" in line or "text/html" in line for line in said)
@@ -268,6 +268,35 @@ def test_an_unpaired_device_is_closed_and_its_frames_stop(
         assert closed.value.code == 1008
 
 
+def test_a_device_streams_audio_chunks_on_its_socket(
+    client: TestClient, superuser_token_headers: dict[str, str]
+) -> None:
+    """A microphone's chunks take the camera's path, in their own family."""
+    _panels(client, superuser_token_headers, {"panels": [{"id": "mic1"}]})
+    device = _pair(client, superuser_token_headers, "mic1")
+    port = {"port": "mic", "direction": "in", "dtype": "audio"}
+    reported = client.put(
+        f"{PREFIX}/mic1/report", headers=device, json={**REPORT, "ports": [port]}
+    )
+    assert reported.status_code == 200, reported.text
+    node = _device_node(
+        "mic1",
+        node="panel",
+        provides=[{"name": "mic", "port": "mic", "dtype": "audio"}],
+    )
+    _publish_flow(client, superuser_token_headers, "voice", [node])
+    controller = client.app.state.flow_controller
+    with client.websocket_connect(SOCKET, headers=device) as ws:
+        ws.receive_json()
+        ws.send_bytes(frame("voice.mic", b"\x00\x01"))  # an image on an audio port
+        ws.send_bytes(frame("voice.mic", b"\x00\x02", "audio/L16;rate=16000"))
+        value = wait_for(
+            lambda: (controller.values().get("voice.mic") or {}).get("value")
+        )
+    assert value["media_type"] == "audio/L16;rate=16000"
+    assert client.app.state.artifact_store.volatile.get(value["digest"]) == b"\x00\x02"
+
+
 def test_a_frame_past_the_cap_is_dropped(
     client: TestClient, camera, monkeypatch: pytest.MonkeyPatch
 ) -> None: