feat(work-orders): synchronize peripheral changes through events
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import asyncio
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import json
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from uuid import uuid4
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import httpx
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import pytest
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from scripts.run_operational_worker import CredentialProvider, WorkerSettings
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from scripts import sync_peripheral_work_orders as sync_module
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from scripts.sync_peripheral_work_orders import PeripheralWorkOrderSynchronizer
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@pytest.fixture
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def anyio_backend():
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return "asyncio"
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class PushStream(httpx.AsyncByteStream):
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def __init__(self):
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self.messages = asyncio.Queue()
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self.closed = False
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async def __aiter__(self):
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while True:
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yield await self.messages.get()
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self.messages.task_done()
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async def aclose(self):
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self.closed = True
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def publish(self, project_id, order_id, sequence, *, aggregate_type="peripheral_work_order"):
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event = {
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"schema": "workbench-event@1", "event_seq": sequence,
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"event_id": str(uuid4()), "project_id": project_id,
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"topic": "workbench.work_order.changed", "aggregate_type": aggregate_type,
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"aggregate_id": order_id, "aggregate_revision": 1,
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"occurred_at": "2026-10-08T00:00:00Z",
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"metadata": {"source": "peripheral_sample", "work_order_id": order_id},
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}
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self.messages.put_nowait(
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f"id: {sequence}\nevent: workbench_event\ndata: {json.dumps(event)}\n\n".encode()
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)
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@pytest.mark.anyio
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async def test_source_push_synchronizes_new_and_updated_orders_without_waiting_for_reconciliation():
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project_id, order_id, task_id = map(str, (uuid4(), uuid4(), uuid4()))
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settings = WorkerSettings("http://server.test", "http://agent.test", project_id, bearer="TEST_ONLY")
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stream = PushStream()
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orders, tasks, cursors = [], [], []
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initial_scan, projected = asyncio.Event(), asyncio.Event()
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scan_count = 0
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def handler(request):
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nonlocal scan_count
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assert request.headers["X-Project-Id"] == project_id
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assert request.headers["Authorization"] == "Bearer TEST_ONLY"
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if request.url.path.endswith("sync-snapshot"):
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return httpx.Response(200, json={"event_cursor": 20})
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if request.url.path.endswith("/events"):
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cursors.append(request.url.params["after"])
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return httpx.Response(200, headers={"Content-Type": "text/event-stream"}, stream=stream)
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if request.url.host == "sample.test":
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scan_count += 1
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initial_scan.set()
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return httpx.Response(200, json={"items": orders, "next_cursor": None})
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if request.method == "GET":
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return httpx.Response(200, json={"items": tasks, "next_offset": None})
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body = json.loads(request.content)
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if request.url.path.endswith("external-feedback"):
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tasks[0]["source"]["external_revision"] = body["source_revision"]
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tasks[0]["status"] = body["status"]
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projected.set()
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return httpx.Response(200, json={"task": tasks[0]})
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task = {**body, "task_id": task_id}
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tasks.append(task)
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return httpx.Response(201, json=task)
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async with httpx.AsyncClient(transport=httpx.MockTransport(handler)) as client:
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synchronizer = PeripheralWorkOrderSynchronizer(
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client, settings, "http://sample.test", CredentialProvider(settings),
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)
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runner = asyncio.create_task(synchronizer.serve())
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try:
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await asyncio.wait_for(initial_scan.wait(), timeout=3)
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orders.append({
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"project_id": project_id, "work_order_id": order_id, "origin": "synthetic",
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"revision": 1, "title": "预约维修", "summary": "等待现场处理", "priority": "normal",
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"status": "open", "created_at": "2026-10-08T00:00:00Z",
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"updated_at": "2026-10-08T00:00:00Z", "scheduled_at": None,
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"work_order_type": "general",
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})
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stream.publish(project_id, order_id, 21)
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await asyncio.wait_for(projected.wait(), timeout=3)
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assert tasks[0]["source"]["external_revision"] == 1
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projected.clear()
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orders[0].update(revision=2, status="in_progress")
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stream.publish(project_id, order_id, 22)
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await asyncio.wait_for(projected.wait(), timeout=3)
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assert tasks[0]["source"]["external_revision"] == 2
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assert tasks[0]["status"] == "in_progress"
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assert scan_count == 3 # Startup plus two pushed source changes.
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assert cursors == ["20"]
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finally:
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runner.cancel()
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await asyncio.gather(runner, return_exceptions=True)
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assert stream.closed
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@pytest.mark.anyio
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async def test_expired_cursor_rebuilds_baseline_and_wakes_source_reconciliation():
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project_id = str(uuid4())
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settings = WorkerSettings("http://server.test", "http://agent.test", project_id, bearer="TEST_ONLY")
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stream = PushStream()
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refreshed = asyncio.Event()
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baselines = iter([10, 30])
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cursors = []
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def handler(request):
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if request.url.path.endswith("sync-snapshot"):
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cursor = next(baselines)
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if cursor == 30:
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refreshed.set()
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return httpx.Response(200, json={"event_cursor": cursor})
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cursors.append(request.url.params["after"])
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return httpx.Response(200, stream=stream)
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async with httpx.AsyncClient(transport=httpx.MockTransport(handler)) as client:
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synchronizer = PeripheralWorkOrderSynchronizer(
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client, settings, "http://sample.test", CredentialProvider(settings),
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)
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listener = asyncio.create_task(synchronizer.listen())
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try:
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await asyncio.wait_for(synchronizer.wake.wait(), timeout=3)
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synchronizer.wake.clear()
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stream.messages.put_nowait(b"event: reset_required\ndata: {}\n\n")
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await asyncio.wait_for(refreshed.wait(), timeout=3)
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assert synchronizer.wake.is_set()
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assert synchronizer.cursor == 30
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assert cursors == ["10"]
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finally:
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listener.cancel()
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await asyncio.gather(listener, return_exceptions=True)
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@pytest.mark.anyio
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async def test_projection_events_and_duplicate_source_events_do_not_trigger_extra_scans():
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project_id, order_id = str(uuid4()), str(uuid4())
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settings = WorkerSettings("http://server.test", "http://agent.test", project_id, bearer="TEST_ONLY")
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stream = PushStream()
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def handler(request):
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if request.url.path.endswith("sync-snapshot"):
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return httpx.Response(200, json={"event_cursor": 20})
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return httpx.Response(200, stream=stream)
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async with httpx.AsyncClient(transport=httpx.MockTransport(handler)) as client:
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synchronizer = PeripheralWorkOrderSynchronizer(
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client, settings, "http://sample.test", CredentialProvider(settings),
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)
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listener = asyncio.create_task(synchronizer.listen())
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try:
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await asyncio.wait_for(synchronizer.wake.wait(), timeout=3)
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synchronizer.wake.clear()
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stream.publish(project_id, order_id, 21, aggregate_type="operational_action")
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await asyncio.wait_for(stream.messages.join(), timeout=3)
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assert not synchronizer.wake.is_set()
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stream.publish(project_id, order_id, 22)
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await asyncio.wait_for(stream.messages.join(), timeout=3)
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assert synchronizer.wake.is_set()
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synchronizer.wake.clear()
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stream.publish(project_id, order_id, 22)
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await asyncio.wait_for(stream.messages.join(), timeout=3)
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assert not synchronizer.wake.is_set()
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finally:
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listener.cancel()
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await asyncio.gather(listener, return_exceptions=True)
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@pytest.mark.anyio
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async def test_disconnect_resumes_after_last_consumed_event():
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project_id, order_id = str(uuid4()), str(uuid4())
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settings = WorkerSettings("http://server.test", "http://agent.test", project_id, bearer="TEST_ONLY")
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stream = PushStream()
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stream.publish(project_id, order_id, 21)
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first_message = stream.messages.get_nowait()
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stream.messages.task_done()
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reconnected, cursors = asyncio.Event(), []
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def handler(request):
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if request.url.path.endswith("sync-snapshot"):
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return httpx.Response(200, json={"event_cursor": 20})
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cursors.append(request.url.params["after"])
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if len(cursors) == 1:
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return httpx.Response(200, content=first_message)
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reconnected.set()
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return httpx.Response(200, stream=stream)
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async with httpx.AsyncClient(transport=httpx.MockTransport(handler)) as client:
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synchronizer = PeripheralWorkOrderSynchronizer(
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client, settings, "http://sample.test", CredentialProvider(settings),
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)
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listener = asyncio.create_task(synchronizer.listen())
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try:
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await asyncio.wait_for(reconnected.wait(), timeout=3)
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assert cursors == ["20", "21"]
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finally:
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listener.cancel()
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await asyncio.gather(listener, return_exceptions=True)
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@pytest.mark.anyio
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async def test_failed_scan_retries_without_requiring_another_source_message(monkeypatch):
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project_id = str(uuid4())
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settings = WorkerSettings("http://server.test", "http://agent.test", project_id, bearer="TEST_ONLY")
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stream = PushStream()
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recovered, attempts = asyncio.Event(), 0
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def handler(request):
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if request.url.path.endswith("sync-snapshot"):
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return httpx.Response(200, json={"event_cursor": 20})
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return httpx.Response(200, stream=stream)
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async def sync_once(*_args):
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nonlocal attempts
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attempts += 1
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if attempts == 1:
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raise httpx.ConnectError("AUTOTEST temporary source outage")
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recovered.set()
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return 0
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monkeypatch.setattr(sync_module, "sync_once", sync_once)
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async with httpx.AsyncClient(transport=httpx.MockTransport(handler)) as client:
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synchronizer = PeripheralWorkOrderSynchronizer(
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client, settings, "http://sample.test", CredentialProvider(settings),
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)
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runner = asyncio.create_task(synchronizer.serve())
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try:
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await asyncio.wait_for(recovered.wait(), timeout=8)
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assert attempts == 2
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finally:
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runner.cancel()
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await asyncio.gather(runner, return_exceptions=True)
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@pytest.mark.anyio
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async def test_source_event_during_scan_schedules_another_pass(monkeypatch):
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project_id, order_id = str(uuid4()), str(uuid4())
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settings = WorkerSettings("http://server.test", "http://agent.test", project_id, bearer="TEST_ONLY")
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stream = PushStream()
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scanning, release, caught_up = asyncio.Event(), asyncio.Event(), asyncio.Event()
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attempts = 0
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def handler(request):
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if request.url.path.endswith("sync-snapshot"):
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return httpx.Response(200, json={"event_cursor": 20})
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return httpx.Response(200, stream=stream)
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async def sync_once(*_args):
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nonlocal attempts
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attempts += 1
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if attempts == 1:
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scanning.set()
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await release.wait()
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else:
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caught_up.set()
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return 0
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monkeypatch.setattr(sync_module, "sync_once", sync_once)
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async with httpx.AsyncClient(transport=httpx.MockTransport(handler)) as client:
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synchronizer = PeripheralWorkOrderSynchronizer(
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client, settings, "http://sample.test", CredentialProvider(settings),
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)
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runner = asyncio.create_task(synchronizer.serve())
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try:
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await asyncio.wait_for(scanning.wait(), timeout=3)
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stream.publish(project_id, order_id, 21)
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await asyncio.wait_for(stream.messages.join(), timeout=3)
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release.set()
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await asyncio.wait_for(caught_up.wait(), timeout=3)
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assert attempts == 2
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finally:
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runner.cancel()
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await asyncio.gather(runner, return_exceptions=True)
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