import asyncio

import pytest


@pytest.mark.asyncio
async def test_swarm_conn_close(swarm_conn_pair):
    conn_0, conn_1 = swarm_conn_pair

    assert not conn_0.event_closed.is_set()
    assert not conn_1.event_closed.is_set()

    await conn_0.close()

    await asyncio.sleep(0.01)

    assert conn_0.event_closed.is_set()
    assert conn_1.event_closed.is_set()
    assert conn_0 not in conn_0.swarm.connections.values()
    assert conn_1 not in conn_1.swarm.connections.values()


@pytest.mark.asyncio
async def test_swarm_conn_streams(swarm_conn_pair):
    conn_0, conn_1 = swarm_conn_pair

    assert len(await conn_0.get_streams()) == 0
    assert len(await conn_1.get_streams()) == 0

    stream_0_0 = await conn_0.new_stream()
    await asyncio.sleep(0.01)
    assert len(await conn_0.get_streams()) == 1
    assert len(await conn_1.get_streams()) == 1

    stream_0_1 = await conn_0.new_stream()
    await asyncio.sleep(0.01)
    assert len(await conn_0.get_streams()) == 2
    assert len(await conn_1.get_streams()) == 2

    conn_0.remove_stream(stream_0_0)
    assert len(await conn_0.get_streams()) == 1
    conn_0.remove_stream(stream_0_1)
    assert len(await conn_0.get_streams()) == 0
    # Nothing happen if `stream_0_1` is not present or already removed.
    conn_0.remove_stream(stream_0_1)