Add transport comms tests

transport/http_transport_test.go

@@ -7,7 +7,17 @@ import (
 	"github.com/micro/go-micro/transport"
 )
 
-func TestHTTPTransport_PortRange(t *testing.T) {
+func expectedPort(t *testing.T, expected string, lsn transport.Listener) {
+	parts := strings.Split(lsn.Addr(), ":")
+	port := parts[len(parts)-1]
+
+	if port != expected {
+		lsn.Close()
+		t.Errorf("Expected address to be `%s`, got `%s`", expected, port)
+	}
+}
+
+func TestHTTPTransportPortRange(t *testing.T) {
 	tp := transport.NewTransport([]string{})
 
 	lsn1, err := tp.Listen(":44444-44448")
@@ -32,12 +42,62 @@ func TestHTTPTransport_PortRange(t *testing.T) {
 	lsn2.Close()
 }
 
-func expectedPort(t *testing.T, expected string, lsn transport.Listener) {
-	parts := strings.Split(lsn.Addr(), ":")
-	port := parts[len(parts)-1]
+func TestHTTPTransportCommunication(t *testing.T) {
+	tr := transport.NewTransport([]string{})
 
-	if port != expected {
-		lsn.Close()
-		t.Errorf("Expected address to be `%s`, got `%s`", expected, port)
+	l, err := tr.Listen(":0")
+	if err != nil {
+		t.Errorf("Unexpected listen err: %v", err)
+	}
+	defer l.Close()
+
+	fn := func(sock transport.Socket) {
+		defer sock.Close()
+
+		for {
+			var m transport.Message
+			if err := sock.Recv(&m); err != nil {
+				return
+			}
+
+			t.Logf("Successfully received %+v", m)
+
+			if err := sock.Send(&m); err != nil {
+				return
+			}
+		}
+	}
+
+	go func() {
+		if err := l.Accept(fn); err != nil {
+			t.Errorf("Unexpected accept err: %v", err)
+		}
+	}()
+
+	c, err := tr.Dial(l.Addr())
+	if err != nil {
+		t.Errorf("Unexpected dial err: %v", err)
+	}
+	defer c.Close()
+
+	m := transport.Message{
+		Header: map[string]string{
+			"Content-Type": "application/json",
+		},
+		Body: []byte(`{"message": "Hello World"}`),
+	}
+
+	if err := c.Send(&m); err != nil {
+		t.Errorf("Unexpected send err: %v", err)
+	}
+
+	var rm transport.Message
+
+	if err := c.Recv(&rm); err != nil {
+		t.Errorf("Unexpected recv err: %v", err)
+	}
+
+	if string(rm.Body) != string(m.Body) {
+		t.Errorf("Expected %v, got %v", m.Body, rm.Body)
 	}
 }