import asyncio

from torba.client.basenetwork import ClientSession
from torba.orchstr8 import Conductor
from torba.testcase import IntegrationTestCase
import lbry.wallet


class TestSessionBloat(IntegrationTestCase):
    """
    Tests that server cleans up stale connections after session timeout and client times out too.
    """

    LEDGER = lbry.wallet

    async def test_session_bloat_from_socket_timeout(self):
        await self.conductor.stop_spv()
        self.conductor.spv_node.session_timeout = 1
        await self.conductor.start_spv()
        session = ClientSession(network=None, server=self.ledger.network.client.server, timeout=0.2)
        await session.create_connection()
        session.ping_task.cancel()
        await session.send_request('server.banner', ())
        self.assertEqual(len(self.conductor.spv_node.server.session_mgr.sessions), 1)
        self.assertFalse(session.is_closing())
        await asyncio.sleep(1.1)
        with self.assertRaises(asyncio.TimeoutError):
            await session.send_request('server.banner', ())
        self.assertTrue(session.is_closing())
        self.assertEqual(len(self.conductor.spv_node.server.session_mgr.sessions), 0)