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Sybil-2/ios/Tests/Fixtures/agent_server.py
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2026-10-14 13:34:37 -07:00
#!/usr/bin/env python3
"""Local-only deterministic Agent contract fixture. Never contacts external services.
Run with Python + aiohttp, then xcodebuild test -scheme SybilAgentUI.
"""
import asyncio
import datetime
import json
from aiohttp import web
sockets = set()
messages = []
requests = {}
read_cursor = 0
cursor = 0
busy = False
attempts = {}
log = []
reply_tasks = set()
def stamp():
return datetime.datetime.now(datetime.timezone.utc).isoformat(timespec='milliseconds').replace('+00:00', 'Z')
def activity():
return dict(state='thinking' if busy else 'idle', isThinking=busy, queued=0,
backgroundWorkers=0, tools=[], queuedMessages=[])
def message(content, role='assistant', id=None, info=None):
global cursor
cursor += 1
row = dict(id=id or f'outbound:{cursor}', role=role, content=content, createdAt=stamp(),
metadata=dict(kind='message', entryId=cursor, status='complete', **(info or {})))
messages.append(row)
return row
def page(rows, position=None, more=False):
return dict(conversationId='fixture-root', messages=rows, cursor=str(cursor if position is None else position), beforeCursor='1', hasMore=more)
async def broadcast(frame):
for socket in list(sockets):
try:
await socket.send_json(frame)
except ConnectionError:
sockets.discard(socket)
async def emit(content):
row = message(content)
await broadcast(dict(type='messages', **page([row])))
return row
async def reply(content):
global busy, cursor
await asyncio.sleep(1.2)
tool = message('Inspecting the fixture', 'tool', id=f'tool:{cursor + 1}')
tool['metadata'].update(kind='tool_call', toolCallId=tool['id'], toolName='fixture_search', status='initiated', args={'query': content}, startedAt=stamp())
await broadcast(dict(type='messages', **page([tool])))
await asyncio.sleep(0.8)
cursor += 1
tool = dict(tool, metadata=dict(tool['metadata'], entryId=cursor, status='completed', resultPreview='Fixture result: 3 matches'))
messages[messages.index(next(m for m in messages if m['id'] == tool['id']))] = tool
await broadcast(dict(type='messages', **page([tool])))
failed = message('Fixture unavailable', 'tool', id=f'tool:{cursor + 1}')
failed['metadata'].update(kind='tool_call', toolName='fixture_error', status='failed', args={'source': 'local only'}, error='Simulated tool failure')
await broadcast(dict(type='messages', **page([failed])))
await emit(f'**Finished:** {content}\n\nThe local fixture returned three matches.')
# Deliberately stale busy frame after the public reply.
await broadcast(dict(type='activity', conversationId='fixture-root', activity=activity()))
await asyncio.sleep(0.5)
busy = False
await broadcast(dict(type='activity', conversationId='fixture-root', activity=activity()))
async def route(request):
global read_cursor, cursor, busy
path = request.path
log.append(dict(method=request.method, path=path, query=dict(request.query)))
if path == '/control':
body = await request.json()
action = body.get('action')
if action == 'reset':
for task in reply_tasks:
task.cancel()
reply_tasks.clear()
messages.clear(); requests.clear(); attempts.clear(); cursor = 0; read_cursor = 0; busy = False
for i in range(body.get('count', 3)):
message(f'History message {i + 1}: local simulator fixture.')
elif action == 'reply':
await emit(body.get('content', 'Late asynchronous fixture reply'))
elif action == 'long-tool':
row = message('Local tool output', 'tool')
row['metadata'].update(kind='tool_call', toolName='fixture_long', status='completed',
args={'source': 'local only'}, result='\n'.join(f'Result line {i}' for i in range(80)))
await broadcast(dict(type='messages', **page([row])))
elif action == 'busy':
busy = body.get('value', True)
await broadcast(dict(type='activity', conversationId='fixture-root', activity=activity()))
elif action == 'read':
read_cursor = cursor
elif action == 'disconnect':
for socket in list(sockets):
await socket.close(code=1012)
elif action == 'malformed':
await broadcast(dict(type='messages', conversationId='fixture-root', messages=[{'id': 'broken'}], cursor='999999', beforeCursor=None, hasMore=False))
return web.json_response(dict(cursor=cursor, readCursor=read_cursor, messages=messages, requests=requests, log=log))
if path == '/api/v1/auth/session':
return web.json_response(dict(authenticated=True, mode='token'))
if path == '/api/v1/workspace-items':
return web.json_response(dict(items=[], hasMore=False))
if path == '/api/v1/chats':
return web.json_response(dict(chats=[]))
if path == '/api/v1/searches':
return web.json_response(dict(searches=[]))
if path == '/api/v1/models':
return web.json_response(dict(providers={}))
if path == '/api/v1/active-runs':
return web.json_response(dict(chats=[], searches=[]))
if path.startswith('/api/v1/agent') and path != '/api/v1/agent/ws':
if request.headers.get('Authorization') != 'Bearer fixture-token':
return web.json_response(dict(error='Fixture token missing'), status=401)
if path == '/api/v1/agent':
return web.json_response(dict(id='fixture-root', title='Sybil Agent', type='persistent-agent', model='fixture', protocol='pi-room.v1', websocket='/v1/agent/ws', activity=activity()))
if path == '/api/v1/agent/read-state':
if request.method == 'PUT':
read_cursor = max(read_cursor, int((await request.json())['cursor']))
return web.json_response(dict(cursor=str(read_cursor), updatedAt=stamp()))
if path == '/api/v1/agent/messages':
if request.method == 'POST':
body = await request.json()
key, content = body['requestId'], body['content']
attempts[key] = attempts.get(key, 0) + 1
if content == 'retry fixture' and attempts[key] == 1:
return web.json_response(dict(error='Simulated uncertain admission; retry'), status=502)
receipt = dict(id=len(requests) + 1, status='queued', messageId=f'inbound:sybil:{key}')
if key not in requests:
requests[key] = receipt
row = message(content, 'user', id=receipt['messageId'])
busy = True
await broadcast(dict(type='messages', **page([row])))
await broadcast(dict(type='activity', conversationId='fixture-root', activity=activity()))
task = asyncio.create_task(reply(content))
reply_tasks.add(task)
task.add_done_callback(reply_tasks.discard)
if content == 'echo wins fixture':
await asyncio.sleep(0.3)
return web.json_response(dict(error='Lost HTTP acknowledgement'), status=502)
return web.json_response(requests[key], status=202)
after = int(request.query.get('after', 0))
rows = [m for m in messages if m['metadata']['entryId'] > after]
limit = min(int(request.query.get('limit', 200)), 200)
selected = rows[:limit]
return web.json_response(page(selected, selected[-1]['metadata']['entryId'] if len(rows) > limit else cursor, len(rows) > limit))
if path == '/api/v1/agent/ws':
if request.query:
return web.Response(status=400)
socket = web.WebSocketResponse(); await socket.prepare(request)
auth = await socket.receive_json(timeout=5)
if auth.get('token') != 'fixture-token' or auth.get('type') != 'auth':
await socket.close(code=4401); return socket
log.append(dict(authAfter=auth.get('after')))
sockets.add(socket)
await socket.send_json(dict(type='ready', protocol='pi-room.v1', conversationId='fixture-root'))
await socket.send_json(dict(type='messages', **page([m for m in messages if m['metadata']['entryId'] > int(auth.get('after', 0))])))
await socket.send_json(dict(type='activity', conversationId='fixture-root', activity=activity()))
try:
async for frame in socket:
if frame.type == web.WSMsgType.TEXT:
data = json.loads(frame.data)
if data.get('type') == 'ping':
await socket.send_json(dict(type='pong'))
finally:
sockets.discard(socket)
return socket
return web.json_response(dict(error='No fixture for this endpoint'), status=404)
for i in range(3):
message(f'History message {i + 1}: local simulator fixture.')
app = web.Application()
app.router.add_route('*', '/{path:.*}', route)
web.run_app(app, host='127.0.0.1', port=8799)