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pubsub_test.go
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// Go binding for nanomsg
package nanomsg
import (
"testing"
"time"
)
var socketAddress string = "inproc://a"
func TestPubSub(t *testing.T) {
var err error
var pub *PubSocket
var sub1, sub2 *SubSocket
if pub, err = NewPubSocket(); err != nil {
t.Fatal(err)
}
if _, err = pub.Bind(socketAddress); err != nil {
t.Fatal(err)
}
if sub1, err = NewSubSocket(); err != nil {
t.Fatal(err)
}
if sub2, err = NewSubSocket(); err != nil {
t.Fatal(err)
}
if err = sub1.Subscribe(""); err != nil {
t.Fatal(err)
}
if err = sub2.Subscribe(""); err != nil {
t.Fatal(err)
}
if _, err = sub1.Connect(socketAddress); err != nil {
t.Fatal(err)
}
if _, err = sub2.Connect(socketAddress); err != nil {
t.Fatal(err)
}
// Wait till connections are established to prevent message loss.
time.Sleep(10 * time.Millisecond)
nbytes, err := pub.Send([]byte("0123456789012345678901234567890123456789"), 0)
if err != nil {
t.Fatal(err)
} else if nbytes != 40 {
t.Fatal(nbytes)
}
buf, err := sub1.Recv(0)
if err != nil {
t.Fatal(err)
} else if len(buf) != 40 {
t.Fatal(len(buf))
}
buf, err = sub2.Recv(0)
if err != nil {
t.Fatal(err)
} else if len(buf) != 40 {
t.Fatal(len(buf))
}
if err = pub.Close(); err != nil {
t.Fatal(err)
}
if err = sub1.Close(); err != nil {
t.Fatal(err)
}
if err = sub2.Close(); err != nil {
t.Fatal(err)
}
}