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package integration_tests
import (
"net/http"
"os"
"testing"
"time"
"github.com/ethereum-optimism/optimism/proxyd"
"github.com/stretchr/testify/require"
)
const (
batchTimeoutResponse = `{"error":{"code":-32015,"message":"gateway timeout"},"id":null,"jsonrpc":"2.0"}`
)
func TestBatchTimeout(t *testing.T) {
slowBackend := NewMockBackend(nil)
defer slowBackend.Close()
require.NoError(t, os.Setenv("SLOW_BACKEND_RPC_URL", slowBackend.URL()))
config := ReadConfig("batch_timeout")
client := NewProxydClient("http://127.0.0.1:8545")
shutdown, err := proxyd.Start(config)
require.NoError(t, err)
defer shutdown()
slowBackend.SetHandler(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
// check the config. The sleep duration should be at least double the server.timeout_seconds config to prevent flakes
time.Sleep(time.Second * 2)
BatchedResponseHandler(200, goodResponse)(w, r)
}))
res, statusCode, err := client.SendBatchRPC(
NewRPCReq("1", "eth_chainId", nil),
NewRPCReq("1", "eth_chainId", nil),
)
require.NoError(t, err)
require.Equal(t, 504, statusCode)
RequireEqualJSON(t, []byte(batchTimeoutResponse), res)
require.Equal(t, 1, len(slowBackend.Requests()))
}