NODEDC_MISSION_CORE/tests/test_live_perception_shadow.py

100 lines
2.9 KiB
Python

from __future__ import annotations
import asyncio
import stat
import threading
from pathlib import Path
import numpy as np
from k1link.compute.live_perception import (
LivePerceptionIngress,
encode_live_perception_result,
)
from k1link.device_plugins.xgrids_k1.live_perception_shadow import (
build_live_perception_shadow_router,
ensure_live_shadow_token,
)
def test_shadow_token_is_stable_and_private(tmp_path: Path) -> None:
path, token = ensure_live_shadow_token(tmp_path)
repeated_path, repeated_token = ensure_live_shadow_token(tmp_path)
assert repeated_path == path
assert repeated_token == token
assert stat.S_IMODE(path.stat().st_mode) == 0o600
assert stat.S_IMODE(path.parent.stat().st_mode) == 0o700
def test_shadow_router_exposes_only_the_exclusive_binary_stream() -> None:
ingress = LivePerceptionIngress()
router = build_live_perception_shadow_router(
ingress,
"test-plugin",
bearer_token="x" * 43,
)
assert len(router.routes) == 1
assert router.routes[0].path == (
"/api/v1/device-plugins/test-plugin/live-perception-shadow"
)
def test_shadow_router_accepts_only_validated_diagnostic_results_back() -> None:
ingress = LivePerceptionIngress()
received: list[bytes] = []
published = threading.Event()
def receive_result(payload: bytes) -> bool:
received.append(payload)
published.set()
return True
router = build_live_perception_shadow_router(
ingress,
"test-plugin",
bearer_token="x" * 43,
result_receiver=receive_result,
)
ingress.begin_session("session-1")
encoded = encode_live_perception_result(
frame_index=0,
source_frame_index=0,
session_seconds=0.0,
captured_at_epoch_ns=1,
image_jpeg=bytes.fromhex("ffd878ffd9"),
segmentation_mask=np.zeros((600, 800), dtype=np.uint8),
objects=[],
delivery={"health": "healthy"},
)
class FakeWebSocket:
def __init__(self) -> None:
self.headers = {"authorization": f"Bearer {'x' * 43}"}
self.messages = [
{"type": "websocket.receive", "bytes": encoded},
{"type": "websocket.disconnect"},
]
self.sent: list[bytes] = []
self.accepted = False
async def accept(self) -> None:
self.accepted = True
async def receive(self) -> dict[str, object]:
await asyncio.sleep(0)
return self.messages.pop(0)
async def send_bytes(self, payload: bytes) -> None:
self.sent.append(payload)
async def close(self, **_: object) -> None:
return
websocket = FakeWebSocket()
asyncio.run(router.routes[0].endpoint(websocket)) # type: ignore[attr-defined]
assert websocket.accepted is True
assert published.is_set()
assert received == [encoded]