package example import ( "fmt" "net" "reflect" "testing" "time" "google.golang.org/grpc" "golang.org/x/net/context" cmn "github.com/tendermint/tendermint/libs/common" "github.com/tendermint/tendermint/libs/log" abcicli "github.com/tendermint/tendermint/abci/client" "github.com/tendermint/tendermint/abci/example/code" "github.com/tendermint/tendermint/abci/example/kvstore" abciserver "github.com/tendermint/tendermint/abci/server" "github.com/tendermint/tendermint/abci/types" ) func TestKVStore(t *testing.T) { fmt.Println("### Testing KVStore") testStream(t, kvstore.NewKVStoreApplication()) } func TestBaseApp(t *testing.T) { fmt.Println("### Testing BaseApp") testStream(t, types.NewBaseApplication()) } func TestGRPC(t *testing.T) { fmt.Println("### Testing GRPC") testGRPCSync(t, types.NewGRPCApplication(types.NewBaseApplication())) } func testStream(t *testing.T, app types.Application) { numDeliverTxs := 200000 // Start the listener server := abciserver.NewSocketServer("unix://test.sock", app) server.SetLogger(log.TestingLogger().With("module", "abci-server")) if err := server.Start(); err != nil { t.Fatalf("Error starting socket server: %v", err.Error()) } defer server.Stop() // Connect to the socket client := abcicli.NewSocketClient("unix://test.sock", false) client.SetLogger(log.TestingLogger().With("module", "abci-client")) if err := client.Start(); err != nil { t.Fatalf("Error starting socket client: %v", err.Error()) } defer client.Stop() done := make(chan struct{}) counter := 0 client.SetResponseCallback(func(req *types.Request, res *types.Response) { // Process response switch r := res.Value.(type) { case *types.Response_DeliverTx: counter++ if r.DeliverTx.Code != code.CodeTypeOK { t.Error("DeliverTx failed with ret_code", r.DeliverTx.Code) } if counter > numDeliverTxs { t.Fatalf("Too many DeliverTx responses. Got %d, expected %d", counter, numDeliverTxs) } if counter == numDeliverTxs { go func() { time.Sleep(time.Second * 2) // Wait for a bit to allow counter overflow close(done) }() return } case *types.Response_Flush: // ignore default: t.Error("Unexpected response type", reflect.TypeOf(res.Value)) } }) // Write requests for counter := 0; counter < numDeliverTxs; counter++ { // Send request reqRes := client.DeliverTxAsync([]byte("test")) _ = reqRes // check err ? // Sometimes send flush messages if counter%123 == 0 { client.FlushAsync() // check err ? } } // Send final flush message client.FlushAsync() <-done } //------------------------- // test grpc func dialerFunc(addr string, timeout time.Duration) (net.Conn, error) { return cmn.Connect(addr) } func testGRPCSync(t *testing.T, app *types.GRPCApplication) { numDeliverTxs := 2000 // Start the listener server := abciserver.NewGRPCServer("unix://test.sock", app) server.SetLogger(log.TestingLogger().With("module", "abci-server")) if err := server.Start(); err != nil { t.Fatalf("Error starting GRPC server: %v", err.Error()) } defer server.Stop() // Connect to the socket conn, err := grpc.Dial("unix://test.sock", grpc.WithInsecure(), grpc.WithDialer(dialerFunc)) if err != nil { t.Fatalf("Error dialing GRPC server: %v", err.Error()) } defer conn.Close() client := types.NewABCIApplicationClient(conn) // Write requests for counter := 0; counter < numDeliverTxs; counter++ { // Send request response, err := client.DeliverTx(context.Background(), &types.RequestDeliverTx{Tx: []byte("test")}) if err != nil { t.Fatalf("Error in GRPC DeliverTx: %v", err.Error()) } counter++ if response.Code != code.CodeTypeOK { t.Error("DeliverTx failed with ret_code", response.Code) } if counter > numDeliverTxs { t.Fatal("Too many DeliverTx responses") } t.Log("response", counter) if counter == numDeliverTxs { go func() { time.Sleep(time.Second * 2) // Wait for a bit to allow counter overflow }() } } }