import asyncio

import httpx
import uvicorn
from fastapi import FastAPI
from starlette.responses import StreamingResponse


async def main():
    loop = asyncio.get_running_loop()
    loop.set_task_factory(asyncio.eager_task_factory)

    app = FastAPI()

    @app.get("/")
    async def get():
        async def _():
            yield "1"

        return StreamingResponse(
            _(),
        )

    server = uvicorn.Server(
        uvicorn.Config(
            app,
            host="0.0.0.0",
            port=8080,
        )
    )
    asyncio.create_task(server.serve())

    client = httpx.AsyncClient()
    await client.get("http://localhost:8080")


if __name__ == "__main__":
    asyncio.run(main())