hermes-agent/tests/test_pty_keepalive_ws.py

136 lines
4.4 KiB
Python

import json
import pytest
from hermes_cli import web_server
class FakeBridge:
def __init__(self):
self.alive = True
def read(self, timeout):
return b"" # idle forever
def write(self, data):
pass
def resize(self, cols, rows):
pass
def close(self):
self.alive = False
@pytest.fixture
def pty_keepalive_harness(monkeypatch):
spawned = []
def fake_spawn(argv, cwd=None, env=None):
b = FakeBridge()
spawned.append(argv)
return b
monkeypatch.setattr(web_server.PtyBridge, "spawn", staticmethod(fake_spawn))
monkeypatch.setattr(web_server, "_ws_auth_reason", lambda ws: (None, "test"))
monkeypatch.setattr(web_server, "_ws_host_origin_reason", lambda ws: None)
monkeypatch.setattr(web_server, "_ws_client_reason", lambda ws: None)
async def fake_argv(**kw):
resume = "child" if kw.get("resume") == "parent" else kw.get("resume")
env = {"HERMES_TUI_RESUME": resume} if resume else {}
return (["x", resume or "fresh"], "/tmp", env)
monkeypatch.setattr(web_server, "_resolve_chat_argv_async", fake_argv)
try:
yield spawned
finally:
web_server.PTY_REGISTRY._sessions.clear()
@pytest.mark.asyncio
async def test_attach_token_reuses_same_session(pty_keepalive_harness):
"""Two connects with the same ?attach= token hit one spawned bridge."""
from starlette.testclient import TestClient
client = TestClient(web_server.app)
with client.websocket_connect("/api/pty?attach=TOK1") as ws1:
ws1.send_bytes(b"hi")
with client.websocket_connect("/api/pty?attach=TOK1") as ws2:
ws2.send_bytes(b"again")
assert len(pty_keepalive_harness) == 1 # reattached, did not respawn
@pytest.mark.asyncio
async def test_attach_token_reuses_same_resume(pty_keepalive_harness):
from starlette.testclient import TestClient
client = TestClient(web_server.app)
with client.websocket_connect("/api/pty?attach=TOK1&resume=same") as ws1:
ws1.send_bytes(b"hi")
with client.websocket_connect("/api/pty?attach=TOK1&resume=same") as ws2:
ws2.send_bytes(b"again")
assert pty_keepalive_harness == [["x", "same"]]
@pytest.mark.asyncio
async def test_attach_token_does_not_reuse_different_resume(pty_keepalive_harness):
"""A keep-alive token must not pin /chat to an old selected session."""
from starlette.testclient import TestClient
client = TestClient(web_server.app)
with client.websocket_connect("/api/pty?attach=TOK1&resume=old") as ws1:
ws1.send_bytes(b"hi")
with client.websocket_connect("/api/pty?attach=TOK1&resume=new") as ws2:
ws2.send_bytes(b"again")
assert pty_keepalive_harness == [["x", "old"], ["x", "new"]]
@pytest.mark.asyncio
async def test_attach_token_reuses_canonical_resume(pty_keepalive_harness):
from starlette.testclient import TestClient
client = TestClient(web_server.app)
with client.websocket_connect("/api/pty?attach=TOK1&resume=parent") as ws1:
ws1.send_bytes(b"hi")
with client.websocket_connect("/api/pty?attach=TOK1&resume=child") as ws2:
ws2.send_bytes(b"again")
assert pty_keepalive_harness == [["x", "child"]]
@pytest.mark.asyncio
async def test_attach_token_does_not_reuse_different_profile(pty_keepalive_harness):
from starlette.testclient import TestClient
client = TestClient(web_server.app)
with client.websocket_connect("/api/pty?attach=TOK1&profile=alpha") as ws1:
ws1.send_bytes(b"hi")
with client.websocket_connect("/api/pty?attach=TOK1&profile=beta") as ws2:
ws2.send_bytes(b"again")
assert len(pty_keepalive_harness) == 2
@pytest.mark.asyncio
async def test_attach_token_reuses_default_chat_after_active_session_fallback(
pty_keepalive_harness, tmp_path, monkeypatch
):
from starlette.testclient import TestClient
active_session_file = tmp_path / "active-session.json"
monkeypatch.setattr(
web_server,
"_active_session_file_for_channel",
lambda app, channel: active_session_file,
)
client = TestClient(web_server.app)
with client.websocket_connect("/api/pty?attach=TOK1&channel=CHAT") as ws1:
ws1.send_bytes(b"hi")
active_session_file.write_text(json.dumps({"session_id": "existing"}))
with client.websocket_connect("/api/pty?attach=TOK1&channel=CHAT") as ws2:
ws2.send_bytes(b"again")
assert pty_keepalive_harness == [["x", "fresh"]]