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openswarm/backend/tests/test_browser_command_timeout.py
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99 lines
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Python

"""Per-action browser-command timeouts.
A hung tab makes every command block to its timeout; a flat 30s let one wedged
page spin ~20 minutes across retries. These pin that the bound is now short and
per-action, so a freeze surfaces in seconds.
"""
import asyncio
import time
import pytest
from backend.apps.agents.core import ws_manager as wsm
class p_FakeSock:
async def send_text(self, _):
return None
def p_mgr():
m = wsm.ConnectionManager()
m.global_connections = [p_FakeSock()] # get past the 'no dashboard' guard
return m
def test_timeout_map_reads_are_short_navigation_longer():
# reads/clicks act on a loaded page -> short; navigation loads network -> longer
assert wsm.BROWSER_CMD_TIMEOUT_DEFAULT <= 15
assert wsm.BROWSER_CMD_TIMEOUTS["navigate"] <= 25
assert wsm.BROWSER_CMD_TIMEOUTS["navigate"] > wsm.BROWSER_CMD_TIMEOUT_DEFAULT
# the old flat 30s is gone for the common path
assert wsm.BROWSER_CMD_TIMEOUT_DEFAULT < 30
@pytest.mark.asyncio
async def test_hung_command_returns_fast_at_the_bound(monkeypatch):
# shrink the bounds so the test is quick, then never resolve the future: the command must return a timeout error at ~the (default) bound, not hang.
monkeypatch.setattr(wsm, "BROWSER_CMD_TIMEOUT_DEFAULT", 0.3)
monkeypatch.setattr(wsm, "BROWSER_CMD_TIMEOUTS", {"navigate": 0.6})
m = p_mgr()
t0 = time.monotonic()
res = await m.send_browser_command("rid1", "get_text", "b1", {}) # never resolved
elapsed = time.monotonic() - t0
assert res == {"error": "Browser command timed out"}
assert 0.25 < elapsed < 1.0, f"a read should time out near its 0.3s bound, took {elapsed:.2f}s"
@pytest.mark.asyncio
async def test_navigate_gets_the_longer_leash(monkeypatch):
monkeypatch.setattr(wsm, "BROWSER_CMD_TIMEOUT_DEFAULT", 0.3)
monkeypatch.setattr(wsm, "BROWSER_CMD_TIMEOUTS", {"navigate": 0.7})
m = p_mgr()
t0 = time.monotonic()
await m.send_browser_command("rid2", "navigate", "b1", {"url": "x"})
elapsed = time.monotonic() - t0
assert elapsed > 0.5, "navigate should use its longer bound, not the default"
@pytest.mark.asyncio
async def test_lost_first_delivery_heals_via_rebroadcast(monkeypatch):
# a silently-dead socket eats the first broadcast; the re-send after the rebroadcast interval must reach the (reconnected) client and succeed
monkeypatch.setattr(wsm, "BROWSER_CMD_TIMEOUT_DEFAULT", 5.0)
monkeypatch.setattr(wsm, "BROWSER_CMD_REBROADCAST_S", 0.1)
m = p_mgr()
sends = []
class p_CountingSock:
async def send_text(self, payload):
sends.append(payload)
if len(sends) >= 2: # first delivery "lost", second lands
rid = next(iter(m.browser_futures))
m.resolve_browser_command(rid, {"text": "ok"})
m.global_connections = [p_CountingSock()]
res = await m.send_browser_command("rid4", "get_text", "b1", {})
assert res == {"text": "ok"}
assert len(sends) >= 2, "command must be re-broadcast until a client answers"
@pytest.mark.asyncio
async def test_a_resolved_command_returns_immediately(monkeypatch):
# a healthy command returns the moment the renderer resolves it, not at the bound
monkeypatch.setattr(wsm, "BROWSER_CMD_TIMEOUT_DEFAULT", 5.0)
m = p_mgr()
async def p_resolve_soon():
await asyncio.sleep(0.05)
# find the pending future and resolve it like the renderer would
rid = next(iter(m.browser_futures))
m.resolve_browser_command(rid, {"text": "ok", "url": "u"})
asyncio.create_task(p_resolve_soon())
t0 = time.monotonic()
res = await m.send_browser_command("rid3", "get_text", "b1", {})
elapsed = time.monotonic() - t0
assert res == {"text": "ok", "url": "u"}
assert elapsed < 1.0, "healthy command returns on resolve, not at the timeout"