async def test_requesthandleradapter_write_response_to_client(handleradapter,
webapp):
resp_msg = MagicMock()
resp_msg.keep_alive = MagicMock(return_value='wololo')
aiothttp_req = MagicMock()
aiohttp_res = AsyncMock()
aiohttp_res.prepare = AsyncMock(return_value=resp_msg)
req = HttpRequestController(webapp, aiothttp_req)
res = req.response
res._build_aiohttp_response = MagicMock(return_value=aiohttp_res)
handleradapter.keep_alive = MagicMock()
await handleradapter._write_response_to_client(req, res)
aiohttp_res.prepare.assert_called_once_with(aiothttp_req)
aiohttp_res.write_eof.assert_called_once_with()
handleradapter.keep_alive.assert_called_once_with("wololo")
resp_msg.keep_alive.assert_called_once_with()
