micro/transport/memory/memory_test.go

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package memory
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import (
"testing"
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"github.com/micro/go-micro/transport"
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)
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func TestMemoryTransport(t *testing.T) {
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tr := NewTransport()
// bind / listen
l, err := tr.Listen("localhost:8080")
if err != nil {
t.Fatalf("Unexpected error listening %v", err)
}
defer l.Close()
// accept
go func() {
if err := l.Accept(func(sock transport.Socket) {
for {
var m transport.Message
if err := sock.Recv(&m); err != nil {
return
}
t.Logf("Server Received %s", string(m.Body))
if err := sock.Send(&transport.Message{
Body: []byte(`pong`),
}); err != nil {
return
}
}
}); err != nil {
t.Fatalf("Unexpected error accepting %v", err)
}
}()
// dial
c, err := tr.Dial("localhost:8080")
if err != nil {
t.Fatalf("Unexpected error dialing %v", err)
}
defer c.Close()
// send <=> receive
for i := 0; i < 3; i++ {
if err := c.Send(&transport.Message{
Body: []byte(`ping`),
}); err != nil {
return
}
var m transport.Message
if err := c.Recv(&m); err != nil {
return
}
t.Logf("Client Received %s", string(m.Body))
}
}
func TestListener(t *testing.T) {
tr := NewTransport()
// bind / listen on random port
l, err := tr.Listen(":0")
if err != nil {
t.Fatalf("Unexpected error listening %v", err)
}
defer l.Close()
// try again
l2, err := tr.Listen(":0")
if err != nil {
t.Fatalf("Unexpected error listening %v", err)
}
defer l2.Close()
// now make sure it still fails
l3, err := tr.Listen(":8080")
if err != nil {
t.Fatalf("Unexpected error listening %v", err)
}
defer l3.Close()
if _, err := tr.Listen(":8080"); err == nil {
t.Fatal("Expected error binding to :8080 got nil")
}
}