Preview: client_test.go
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/proc/thread-self/root/opt/golang/1.22.0/src/net/rpc/client_test.go
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package rpc
import (
"errors"
"fmt"
"net"
"strings"
"testing"
)
type shutdownCodec struct {
responded chan int
closed bool
}
func (c *shutdownCodec) WriteRequest(*Request, any) error { return nil }
func (c *shutdownCodec) ReadResponseBody(any) error { return nil }
func (c *shutdownCodec) ReadResponseHeader(*Response) error {
c.responded <- 1
return errors.New("shutdownCodec ReadResponseHeader")
}
func (c *shutdownCodec) Close() error {
c.closed = true
return nil
}
func TestCloseCodec(t *testing.T) {
codec := &shutdownCodec{responded: make(chan int)}
client := NewClientWithCodec(codec)
<-codec.responded
client.Close()
if !codec.closed {
t.Error("client.Close did not close codec")
}
}
// Test that errors in gob shut down the connection. Issue 7689.
type R struct {
msg []byte // Not exported, so R does not work with gob.
}
type S struct{}
func (s *S) Recv(nul *struct{}, reply *R) error {
*reply = R{[]byte("foo")}
return nil
}
func TestGobError(t *testing.T) {
defer func() {
err := recover()
if err == nil {
t.Fatal("no error")
}
if !strings.Contains(err.(error).Error(), "reading body unexpected EOF") {
t.Fatal("expected `reading body unexpected EOF', got", err)
}
}()
Register(new(S))
listen, err := net.Listen("tcp", "127.0.0.1:0")
if err != nil {
panic(err)
}
go Accept(listen)
client, err := Dial("tcp", listen.Addr().String())
if err != nil {
panic(err)
}
var reply Reply
err = client.Call("S.Recv", &struct{}{}, &reply)
if err != nil {
panic(err)
}
fmt.Printf("%#v\n", reply)
client.Close()
listen.Close()
}
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