func testNewServerRPC(t *testing.T, addr string) {
client, err := protorpc.Dial("tcp", addr)
if err != nil {
t.Fatal("dialing", err)
}
defer client.Close()
// Synchronous calls
args := &Args{7, 8}
reply := new(Reply)
err = client.Call("newServer.Arith.Add", args, reply)
if err != nil {
t.Errorf("Add: expected no error but got string %q", err.Error())
}
if reply.C != args.A+args.B {
t.Errorf("Add: expected %d got %d", reply.C, args.A+args.B)
}
}
func TestProtoError(t *testing.T) {
if runtime.GOOS == "plan9" {
t.Skip("skipping test; see http://golang.org/issue/8908")
}
defer func() {
err := recover()
if err == nil {
t.Fatal("no error")
}
if !strings.Contains("reading body proto: wrong wireType = 2 for field C", err.(error).Error()) {
t.Fatal("expected proto', got", err)
}
}()
protorpc.Register(new(S))
listen, err := net.Listen("tcp", "127.0.0.1:0")
if err != nil {
panic(err)
}
go protorpc.Accept(listen)
client, err := protorpc.Dial("tcp", listen.Addr().String())
if err != nil {
panic(err)
}
var reply Reply
err = client.Call("S.Recv", nil, &reply)
if err != nil {
panic(err)
}
fmt.Printf("%#v\n", reply)
client.Close()
listen.Close()
}
func dialDirect() (*protorpc.Client, error) {
return protorpc.Dial("tcp", serverAddr)
}
func testRPC(t *testing.T, addr string) {
client, err := protorpc.Dial("tcp", addr)
if err != nil {
t.Fatal("dialing", err)
}
defer client.Close()
// Synchronous calls
log.Println("Synchronous calls")
args := &Args{7, 8}
reply := new(Reply)
err = client.Call("Arith.Add", args, reply)
if err != nil {
t.Errorf("Add: expected no error but got string %q", err.Error())
}
if reply.C != args.A+args.B {
t.Errorf("Add: expected %d got %d", reply.C, args.A+args.B)
}
// Nonexistent method
log.Println("Nonexistent method")
args = &Args{7, 0}
reply = new(Reply)
err = client.Call("Arith.BadOperation", args, reply)
// expect an error
if err == nil {
t.Error("BadOperation: expected error")
} else if !strings.HasPrefix(err.Error(), "rpc: can't find method ") {
t.Errorf("BadOperation: expected can't find method error; got %q", err)
}
// Unknown service
log.Println("Unknown service")
args = &Args{7, 8}
reply = new(Reply)
err = client.Call("Arith.Unknown", args, reply)
if err == nil {
t.Error("expected error calling unknown service")
} else if strings.Index(err.Error(), "method") < 0 {
t.Error("expected error about method; got", err)
}
// Out of order.
log.Println("Out of order")
args = &Args{7, 8}
mulReply := new(Reply)
log.Println("Aritu.Mul")
mulCall := client.Go("Arith.Mul", args, mulReply, nil)
addReply := new(Reply)
log.Println("Aritu.Add")
addCall := client.Go("Arith.Add", args, addReply, nil)
addCall = <-addCall.Done
if addCall.Error != nil {
t.Errorf("Add: expected no error but got string %q", addCall.Error.Error())
}
if addReply.C != args.A+args.B {
t.Errorf("Add: expected %d got %d", addReply.C, args.A+args.B)
}
mulCall = <-mulCall.Done
if mulCall.Error != nil {
t.Errorf("Mul: expected no error but got string %q", mulCall.Error.Error())
}
if mulReply.C != args.A*args.B {
t.Errorf("Mul: expected %d got %d", mulReply.C, args.A*args.B)
}
// // Error test
// args = &Args{7, 0}
// reply = new(Reply)
// err = client.Call("Arith.Div", args, reply)
// // expect an error: zero divide
// if err == nil {
// t.Error("Div: expected error")
// } else if err.Error() != "divide by zero" {
// t.Error("Div: expected divide by zero error; got", err)
// }
//
// // Bad type.
// reply = new(Reply)
// err = client.Call("Arith.Add", reply, reply) // args, reply would be the correct thing to use
// if err == nil {
// t.Error("expected error calling Arith.Add with wrong arg type")
// } else if strings.Index(err.Error(), "type") < 0 {
// t.Error("expected error about type; got", err)
// }
//
// // Non-struct argument
// const Val = 12345
// str := new(Str)
// str.Val = fmt.Sprint(Val)
// reply = new(Reply)
// err = client.Call("Arith.Scan", str, reply)
// if err != nil {
// t.Errorf("Scan: expected no error but got string %q", err.Error())
// } else if reply.C != Val {
// t.Errorf("Scan: expected %d got %d", Val, reply.C)
// }
//
// // Non-struct reply
// args = &Args{27, 35}
// str.Val = ""
// err = client.Call("Arith.String", args, str)
// if err != nil {
// t.Errorf("String: expected no error but got string %q", err.Error())
// }
// expect := fmt.Sprintf("%d+%d=%d", args.A, args.B, args.A+args.B)
// if str.Val != expect {
// t.Errorf("String: expected %s got %s", expect, str)
// }
//
// args = &Args{7, 8}
// reply = new(Reply)
// err = client.Call("Arith.Mul", args, reply)
// if err != nil {
// t.Errorf("Mul: expected no error but got string %q", err.Error())
// }
// if reply.C != args.A*args.B {
// t.Errorf("Mul: expected %d got %d", reply.C, args.A*args.B)
// }
//
// // ServiceName contain "." character
// args = &Args{7, 8}
// reply = new(Reply)
// err = client.Call("net.rpc.Arith.Add", args, reply)
// if err != nil {
// t.Errorf("Add: expected no error but got string %q", err.Error())
// }
// if reply.C != args.A+args.B {
// t.Errorf("Add: expected %d got %d", reply.C, args.A+args.B)
// }
}