2021-12-04 16:42:11 +00:00

99 lines
1.7 KiB
Go

package rpc2
import (
"net"
"testing"
"time"
)
const (
network = "tcp4"
addr = "127.0.0.1:5000"
)
func TestTCPGOB(t *testing.T) {
type Args struct{ A, B int }
type Reply int
lis, err := net.Listen(network, addr)
if err != nil {
t.Fatal(err)
}
srv := NewServer()
srv.Handle("add", func(client *Client, args *Args, reply *Reply) error {
*reply = Reply(args.A + args.B)
var rep Reply
err := client.Call("mult", Args{2, 3}, &rep)
if err != nil {
t.Fatal(err)
}
if rep != 6 {
t.Fatalf("not expected: %d", rep)
}
return nil
})
number := make(chan int, 1)
srv.Handle("set", func(client *Client, i int, _ *struct{}) error {
number <- i
return nil
})
go srv.Accept(lis)
conn, err := net.Dial(network, addr)
if err != nil {
t.Fatal(err)
}
clt := NewClient(conn)
clt.Handle("mult", func(client *Client, args *Args, reply *Reply) error {
*reply = Reply(args.A * args.B)
return nil
})
go clt.Run()
defer clt.Close()
// Test Call.
var rep Reply
err = clt.Call("add", Args{1, 2}, &rep)
if err != nil {
t.Fatal(err)
}
if rep != 3 {
t.Fatalf("not expected: %d", rep)
}
// Test notification.
err = clt.Notify("set", 6)
if err != nil {
t.Fatal(err)
}
select {
case i := <-number:
if i != 6 {
t.Fatalf("unexpected number: %d", i)
}
case <-time.After(time.Second):
t.Fatal("did not get notification")
}
// Test blocked request
clt.SetBlocking(true)
err = clt.Call("add", Args{1, 2}, &rep)
if err != nil {
t.Fatal(err)
}
if rep != 3 {
t.Fatalf("not expected: %d", rep)
}
// Test undefined method.
err = clt.Call("foo", 1, &rep)
if err.Error() != "rpc2: can't find method foo" {
t.Fatal(err)
}
}