import asyncio
import pytest
from events import AsyncEventQueue

def test_async_event_queue_put_get():
    """Verify that an event can be asynchronously put and retrieved from the queue."""
    async def run_test():
        queue = AsyncEventQueue()
        event_name = "test_event"
        payload = {"data": "hello"}
        
        await queue.put(event_name, payload)
        ret_name, ret_payload = await queue.get()
        
        assert ret_name == event_name
        assert ret_payload == payload

    asyncio.run(run_test())

def test_async_event_queue_multiple():
    """Verify that multiple events can be asynchronously put and retrieved in order."""
    async def run_test():
        queue = AsyncEventQueue()
        
        await queue.put("event1", 1)
        await queue.put("event2", 2)
        
        name1, val1 = await queue.get()
        name2, val2 = await queue.get()
        
        assert name1 == "event1"
        assert val1 == 1
        assert name2 == "event2"
        assert val2 == 2

    asyncio.run(run_test())

def test_async_event_queue_none_payload():
    """Verify that an event with None payload works correctly."""
    async def run_test():
        queue = AsyncEventQueue()
        await queue.put("no_payload")
        name, payload = await queue.get()
        assert name == "no_payload"
        assert payload is None

    asyncio.run(run_test())