Move transport to network/transport

network/transport/grpc/grpc_test.go

@@ -0,0 +1,109 @@
+package grpc
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/micro/go-micro/network/transport"
+)
+
+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 TestGRPCTransportPortRange(t *testing.T) {
+	tp := NewTransport()
+
+	lsn1, err := tp.Listen(":44444-44448")
+	if err != nil {
+		t.Errorf("Did not expect an error, got %s", err)
+	}
+	expectedPort(t, "44444", lsn1)
+
+	lsn2, err := tp.Listen(":44444-44448")
+	if err != nil {
+		t.Errorf("Did not expect an error, got %s", err)
+	}
+	expectedPort(t, "44445", lsn2)
+
+	lsn, err := tp.Listen(":0")
+	if err != nil {
+		t.Errorf("Did not expect an error, got %s", err)
+	}
+
+	lsn.Close()
+	lsn1.Close()
+	lsn2.Close()
+}
+
+func TestGRPCTransportCommunication(t *testing.T) {
+	tr := NewTransport()
+
+	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
+			}
+
+			if err := sock.Send(&m); err != nil {
+				return
+			}
+		}
+	}
+
+	done := make(chan bool)
+
+	go func() {
+		if err := l.Accept(fn); err != nil {
+			select {
+			case <-done:
+			default:
+				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{
+			"X-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)
+	}
+
+	close(done)
+}