Files
next-tjwater-server/tests/unit/test_peripheral_push_sync.py
T

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Python

import asyncio
import json
from uuid import uuid4
import httpx
import pytest
from scripts.run_operational_worker import CredentialProvider, WorkerSettings
from scripts import sync_peripheral_work_orders as sync_module
from scripts.sync_peripheral_work_orders import PeripheralWorkOrderSynchronizer
@pytest.fixture
def anyio_backend():
return "asyncio"
class PushStream(httpx.AsyncByteStream):
def __init__(self):
self.messages = asyncio.Queue()
self.closed = False
async def __aiter__(self):
while True:
yield await self.messages.get()
self.messages.task_done()
async def aclose(self):
self.closed = True
def publish(self, project_id, order_id, sequence, *, aggregate_type="peripheral_work_order"):
event = {
"schema": "workbench-event@1", "event_seq": sequence,
"event_id": str(uuid4()), "project_id": project_id,
"topic": "workbench.work_order.changed", "aggregate_type": aggregate_type,
"aggregate_id": order_id, "aggregate_revision": 1,
"occurred_at": "2026-10-08T00:00:00Z",
"metadata": {"source": "peripheral_sample", "work_order_id": order_id},
}
self.messages.put_nowait(
f"id: {sequence}\nevent: workbench_event\ndata: {json.dumps(event)}\n\n".encode()
)
def test_large_source_burst_coalesces_to_full_reconciliation_with_bounded_ids():
settings = WorkerSettings("http://server.test", "http://agent.test", str(uuid4()), bearer="TEST_ONLY")
synchronizer = PeripheralWorkOrderSynchronizer(None, settings, "http://sample.test", CredentialProvider(settings))
order_id = str(uuid4())
for _ in range(1000):
synchronizer._queue_order(order_id)
assert synchronizer.pending_order_ids == {order_id}
for _ in range(1000):
synchronizer._queue_order(str(uuid4()))
assert synchronizer.full_reconcile
assert synchronizer.pending_order_ids == set()
@pytest.mark.anyio
async def test_source_push_synchronizes_new_and_updated_orders_without_waiting_for_reconciliation():
project_id, order_id, task_id = map(str, (uuid4(), uuid4(), uuid4()))
settings = WorkerSettings("http://server.test", "http://agent.test", project_id, bearer="TEST_ONLY")
stream = PushStream()
orders, tasks, cursors, task_queries = [], [], [], []
initial_scan, projected = asyncio.Event(), asyncio.Event()
scan_count = 0
def handler(request):
nonlocal scan_count
assert request.headers["X-Project-Id"] == project_id
assert request.headers["Authorization"] == "Bearer TEST_ONLY"
if request.url.path.endswith("sync-snapshot"):
return httpx.Response(200, json={"event_cursor": 20})
if request.url.path.endswith("/events"):
cursors.append(request.url.params["after"])
return httpx.Response(200, headers={"Content-Type": "text/event-stream"}, stream=stream)
if request.url.host == "sample.test":
scan_count += 1
initial_scan.set()
if request.url.path.endswith(f"/work-orders/{order_id}"):
return httpx.Response(200, json=orders[0])
return httpx.Response(200, json={"items": orders, "next_cursor": None})
if request.method == "GET":
task_queries.append(dict(request.url.params))
return httpx.Response(200, json={"items": tasks, "next_offset": None})
body = json.loads(request.content)
if request.url.path.endswith("external-feedback"):
tasks[0]["source"]["external_revision"] = body["source_revision"]
tasks[0]["status"] = body["status"]
projected.set()
return httpx.Response(200, json={"task": tasks[0]})
task = {**body, "task_id": task_id}
tasks.append(task)
return httpx.Response(201, json=task)
async with httpx.AsyncClient(transport=httpx.MockTransport(handler)) as client:
synchronizer = PeripheralWorkOrderSynchronizer(
client, settings, "http://sample.test", CredentialProvider(settings),
)
runner = asyncio.create_task(synchronizer.serve())
try:
await asyncio.wait_for(initial_scan.wait(), timeout=3)
orders.append({
"project_id": project_id, "work_order_id": order_id, "origin": "synthetic",
"revision": 1, "title": "预约维修", "summary": "等待现场处理", "priority": "normal",
"status": "open", "created_at": "2026-10-08T00:00:00Z",
"updated_at": "2026-10-08T00:00:00Z", "scheduled_at": None,
"work_order_type": "general",
})
stream.publish(project_id, order_id, 21)
await asyncio.wait_for(projected.wait(), timeout=3)
assert tasks[0]["source"]["external_revision"] == 1
projected.clear()
orders[0].update(revision=2, status="in_progress")
stream.publish(project_id, order_id, 22)
await asyncio.wait_for(projected.wait(), timeout=3)
assert tasks[0]["source"]["external_revision"] == 2
assert tasks[0]["status"] == "in_progress"
assert scan_count == 3 # Startup plus two pushed source changes.
assert task_queries[0] == {"limit": "100", "offset": "0"}
assert all(query["peripheral_work_order_id"] == order_id for query in task_queries[1:])
assert cursors == ["20"]
finally:
runner.cancel()
await asyncio.gather(runner, return_exceptions=True)
assert stream.closed
@pytest.mark.anyio
async def test_expired_cursor_rebuilds_baseline_and_wakes_source_reconciliation():
project_id = str(uuid4())
settings = WorkerSettings("http://server.test", "http://agent.test", project_id, bearer="TEST_ONLY")
stream = PushStream()
refreshed = asyncio.Event()
baselines = iter([10, 30])
cursors = []
def handler(request):
if request.url.path.endswith("sync-snapshot"):
cursor = next(baselines)
if cursor == 30:
refreshed.set()
return httpx.Response(200, json={"event_cursor": cursor})
cursors.append(request.url.params["after"])
return httpx.Response(200, stream=stream)
async with httpx.AsyncClient(transport=httpx.MockTransport(handler)) as client:
synchronizer = PeripheralWorkOrderSynchronizer(
client, settings, "http://sample.test", CredentialProvider(settings),
)
listener = asyncio.create_task(synchronizer.listen())
try:
await asyncio.wait_for(synchronizer.wake.wait(), timeout=3)
synchronizer.wake.clear()
stream.messages.put_nowait(b"event: reset_required\ndata: {}\n\n")
await asyncio.wait_for(refreshed.wait(), timeout=3)
assert synchronizer.wake.is_set()
assert synchronizer.cursor == 30
assert cursors == ["10"]
finally:
listener.cancel()
await asyncio.gather(listener, return_exceptions=True)
@pytest.mark.anyio
async def test_projection_events_and_duplicate_source_events_do_not_trigger_extra_scans():
project_id, order_id = str(uuid4()), str(uuid4())
settings = WorkerSettings("http://server.test", "http://agent.test", project_id, bearer="TEST_ONLY")
stream = PushStream()
def handler(request):
if request.url.path.endswith("sync-snapshot"):
return httpx.Response(200, json={"event_cursor": 20})
return httpx.Response(200, stream=stream)
async with httpx.AsyncClient(transport=httpx.MockTransport(handler)) as client:
synchronizer = PeripheralWorkOrderSynchronizer(
client, settings, "http://sample.test", CredentialProvider(settings),
)
listener = asyncio.create_task(synchronizer.listen())
try:
await asyncio.wait_for(synchronizer.wake.wait(), timeout=3)
synchronizer.wake.clear()
stream.publish(project_id, order_id, 21, aggregate_type="operational_action")
await asyncio.wait_for(stream.messages.join(), timeout=3)
assert not synchronizer.wake.is_set()
stream.publish(project_id, order_id, 22)
await asyncio.wait_for(stream.messages.join(), timeout=3)
assert synchronizer.wake.is_set()
synchronizer.wake.clear()
stream.publish(project_id, order_id, 22)
await asyncio.wait_for(stream.messages.join(), timeout=3)
assert not synchronizer.wake.is_set()
finally:
listener.cancel()
await asyncio.gather(listener, return_exceptions=True)
@pytest.mark.anyio
async def test_disconnect_resumes_after_last_consumed_event():
project_id, order_id = str(uuid4()), str(uuid4())
settings = WorkerSettings("http://server.test", "http://agent.test", project_id, bearer="TEST_ONLY")
stream = PushStream()
stream.publish(project_id, order_id, 21)
first_message = stream.messages.get_nowait()
stream.messages.task_done()
reconnected, cursors = asyncio.Event(), []
def handler(request):
if request.url.path.endswith("sync-snapshot"):
return httpx.Response(200, json={"event_cursor": 20})
cursors.append(request.url.params["after"])
if len(cursors) == 1:
return httpx.Response(200, content=first_message)
reconnected.set()
return httpx.Response(200, stream=stream)
async with httpx.AsyncClient(transport=httpx.MockTransport(handler)) as client:
synchronizer = PeripheralWorkOrderSynchronizer(
client, settings, "http://sample.test", CredentialProvider(settings),
)
listener = asyncio.create_task(synchronizer.listen())
try:
await asyncio.wait_for(reconnected.wait(), timeout=3)
assert cursors == ["20", "21"]
finally:
listener.cancel()
await asyncio.gather(listener, return_exceptions=True)
@pytest.mark.anyio
async def test_failed_scan_retries_without_requiring_another_source_message(monkeypatch):
project_id = str(uuid4())
settings = WorkerSettings("http://server.test", "http://agent.test", project_id, bearer="TEST_ONLY")
stream = PushStream()
recovered, attempts = asyncio.Event(), 0
def handler(request):
if request.url.path.endswith("sync-snapshot"):
return httpx.Response(200, json={"event_cursor": 20})
return httpx.Response(200, stream=stream)
async def sync_once(*_args, **_kwargs):
nonlocal attempts
attempts += 1
if attempts == 1:
raise httpx.ConnectError("AUTOTEST temporary source outage")
recovered.set()
return 0
monkeypatch.setattr(sync_module, "sync_once", sync_once)
async with httpx.AsyncClient(transport=httpx.MockTransport(handler)) as client:
synchronizer = PeripheralWorkOrderSynchronizer(
client, settings, "http://sample.test", CredentialProvider(settings),
)
runner = asyncio.create_task(synchronizer.serve())
try:
await asyncio.wait_for(recovered.wait(), timeout=8)
assert attempts == 2
finally:
runner.cancel()
await asyncio.gather(runner, return_exceptions=True)
@pytest.mark.anyio
async def test_source_event_during_scan_schedules_another_pass(monkeypatch):
project_id, order_id = str(uuid4()), str(uuid4())
settings = WorkerSettings("http://server.test", "http://agent.test", project_id, bearer="TEST_ONLY")
stream = PushStream()
scanning, release, caught_up = asyncio.Event(), asyncio.Event(), asyncio.Event()
attempts = 0
def handler(request):
if request.url.path.endswith("sync-snapshot"):
return httpx.Response(200, json={"event_cursor": 20})
return httpx.Response(200, stream=stream)
async def sync_once(*_args, **kwargs):
nonlocal attempts
attempts += 1
if attempts == 1:
scanning.set()
await release.wait()
else:
assert kwargs["work_order_ids"] == {order_id}
caught_up.set()
return 0
monkeypatch.setattr(sync_module, "sync_once", sync_once)
async with httpx.AsyncClient(transport=httpx.MockTransport(handler)) as client:
synchronizer = PeripheralWorkOrderSynchronizer(
client, settings, "http://sample.test", CredentialProvider(settings),
)
runner = asyncio.create_task(synchronizer.serve())
try:
await asyncio.wait_for(scanning.wait(), timeout=3)
stream.publish(project_id, order_id, 21)
await asyncio.wait_for(stream.messages.join(), timeout=3)
release.set()
await asyncio.wait_for(caught_up.wait(), timeout=3)
assert attempts == 2
finally:
runner.cancel()
await asyncio.gather(runner, return_exceptions=True)