grpc-go/internal/transport/proxy_test.go

106 lines
2.7 KiB
Go

//go:build !race
// +build !race
/*
*
* Copyright 2017 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package transport
import (
"context"
"net"
"net/http"
"net/netip"
"testing"
"time"
"google.golang.org/grpc/internal/proxyattributes"
"google.golang.org/grpc/internal/testutils"
"google.golang.org/grpc/internal/testutils/proxyserver"
"google.golang.org/grpc/resolver"
)
func (s) TestHTTPConnectWithServerHello(t *testing.T) {
serverMessage := []byte("server-hello")
blis, err := testutils.LocalTCPListener()
if err != nil {
t.Fatalf("failed to listen: %v", err)
}
reqCheck := func(req *http.Request) {
if req.Method != http.MethodConnect {
t.Errorf("unexpected Method %q, want %q", req.Method, http.MethodConnect)
}
host, _, err := net.SplitHostPort(req.URL.Host)
if err != nil {
t.Error(err)
}
_, err = netip.ParseAddr(host)
if err != nil {
t.Error(err)
}
}
pServer := proxyserver.New(t, reqCheck, true)
msg := []byte{4, 3, 5, 2}
recvBuf := make([]byte, len(msg))
done := make(chan error, 1)
go func() {
in, err := blis.Accept()
if err != nil {
done <- err
return
}
defer in.Close()
in.Write(serverMessage)
in.Read(recvBuf)
done <- nil
}()
// Dial to proxy server.
ctx, cancel := context.WithTimeout(context.Background(), time.Second)
defer cancel()
c, err := proxyDial(ctx, resolver.Address{Addr: pServer.Addr}, "test", proxyattributes.Options{ConnectAddr: blis.Addr().String()})
if err != nil {
t.Fatalf("HTTP connect Dial failed: %v", err)
}
defer c.Close()
c.SetDeadline(time.Now().Add(defaultTestTimeout))
// Send msg on the connection.
c.Write(msg)
if err := <-done; err != nil {
t.Fatalf("Failed to accept: %v", err)
}
// Check received msg.
if string(recvBuf) != string(msg) {
t.Fatalf("Received msg: %v, want %v", recvBuf, msg)
}
if len(serverMessage) > 0 {
gotServerMessage := make([]byte, len(serverMessage))
if _, err := c.Read(gotServerMessage); err != nil {
t.Errorf("Got error while reading message from server: %v", err)
return
}
if string(gotServerMessage) != string(serverMessage) {
t.Errorf("Message from server: %v, want %v", gotServerMessage, serverMessage)
}
}
}