diff --git a/app/dispatcher/testing/dispatcher.go b/app/dispatcher/testing/dispatcher.go
new file mode 100644
index 00000000..63d21941
--- /dev/null
+++ b/app/dispatcher/testing/dispatcher.go
@@ -0,0 +1,28 @@
+package testing
+
+import (
+	v2net "github.com/v2ray/v2ray-core/common/net"
+	"github.com/v2ray/v2ray-core/transport/ray"
+)
+
+type TestPacketDispatcher struct {
+	LastPacket v2net.Packet
+	Handler    func(packet v2net.Packet, traffic ray.OutboundRay)
+}
+
+func (this *TestPacketDispatcher) DispatchToOutbound(packet v2net.Packet) ray.InboundRay {
+	traffic := ray.NewRay()
+	this.LastPacket = packet
+	if this.Handler == nil {
+		go func() {
+			for payload := range traffic.OutboundInput() {
+				traffic.OutboundOutput() <- payload.Prepend([]byte("Processed: "))
+			}
+			close(traffic.OutboundOutput())
+		}()
+	} else {
+		go this.Handler(packet, traffic)
+	}
+
+	return traffic
+}
diff --git a/proxy/dokodemo/dokodemo_test.go b/proxy/dokodemo/dokodemo_test.go
index ad011161..d8a7afad 100644
--- a/proxy/dokodemo/dokodemo_test.go
+++ b/proxy/dokodemo/dokodemo_test.go
@@ -4,61 +4,37 @@ import (
 	"net"
 	"testing"
 
+	testdispatcher "github.com/v2ray/v2ray-core/app/dispatcher/testing"
+	v2net "github.com/v2ray/v2ray-core/common/net"
 	v2nettesting "github.com/v2ray/v2ray-core/common/net/testing"
-	_ "github.com/v2ray/v2ray-core/proxy/freedom"
-	"github.com/v2ray/v2ray-core/shell/point"
+	netassert "github.com/v2ray/v2ray-core/common/net/testing/assert"
+	. "github.com/v2ray/v2ray-core/proxy/dokodemo"
 	v2testing "github.com/v2ray/v2ray-core/testing"
 	"github.com/v2ray/v2ray-core/testing/assert"
-	"github.com/v2ray/v2ray-core/testing/servers/tcp"
-	"github.com/v2ray/v2ray-core/testing/servers/udp"
 )
 
 func TestDokodemoTCP(t *testing.T) {
 	v2testing.Current(t)
 
-	port := v2nettesting.PickPort()
+	testPacketDispatcher := &testdispatcher.TestPacketDispatcher{}
 
 	data2Send := "Data to be sent to remote."
 
-	tcpServer := &tcp.Server{
-		Port: port,
-		MsgProcessor: func(data []byte) []byte {
-			buffer := make([]byte, 0, 2048)
-			buffer = append(buffer, []byte("Processed: ")...)
-			buffer = append(buffer, data...)
-			return buffer
-		},
-	}
-	_, err := tcpServer.Start()
-	assert.Error(err).IsNil()
+	dokodemo := NewDokodemoDoor(&Config{
+		Address: v2net.IPAddress([]byte{1, 2, 3, 4}),
+		Port:    128,
+		Network: v2net.TCPNetwork.AsList(),
+		Timeout: 600,
+	}, testPacketDispatcher)
 
-	pointPort := v2nettesting.PickPort()
-	config := &point.Config{
-		Port: pointPort,
-		InboundConfig: &point.ConnectionConfig{
-			Protocol: "dokodemo-door",
-			Settings: []byte(`{
-        "address": "127.0.0.1",
-        "port": ` + port.String() + `,
-        "network": "tcp",
-        "timeout": 0
-      }`),
-		},
-		OutboundConfig: &point.ConnectionConfig{
-			Protocol: "freedom",
-			Settings: nil,
-		},
-	}
-
-	point, err := point.NewPoint(config)
-	assert.Error(err).IsNil()
-
-	err = point.Start()
+	port := v2nettesting.PickPort()
+	err := dokodemo.Listen(port)
 	assert.Error(err).IsNil()
+	netassert.Port(port).Equals(dokodemo.Port())
 
 	tcpClient, err := net.DialTCP("tcp", nil, &net.TCPAddr{
 		IP:   []byte{127, 0, 0, 1},
-		Port: int(pointPort),
+		Port: int(port),
 		Zone: "",
 	})
 	assert.Error(err).IsNil()
@@ -72,54 +48,33 @@ func TestDokodemoTCP(t *testing.T) {
 	tcpClient.Close()
 
 	assert.StringLiteral("Processed: " + data2Send).Equals(string(response[:nBytes]))
+	assert.Bool(testPacketDispatcher.LastPacket.Destination().IsTCP()).IsTrue()
+	netassert.Address(testPacketDispatcher.LastPacket.Destination().Address()).Equals(v2net.IPAddress([]byte{1, 2, 3, 4}))
+	netassert.Port(testPacketDispatcher.LastPacket.Destination().Port()).Equals(128)
 }
 
 func TestDokodemoUDP(t *testing.T) {
 	v2testing.Current(t)
 
-	port := v2nettesting.PickPort()
+	testPacketDispatcher := &testdispatcher.TestPacketDispatcher{}
 
 	data2Send := "Data to be sent to remote."
 
-	udpServer := &udp.Server{
-		Port: port,
-		MsgProcessor: func(data []byte) []byte {
-			buffer := make([]byte, 0, 2048)
-			buffer = append(buffer, []byte("Processed: ")...)
-			buffer = append(buffer, data...)
-			return buffer
-		},
-	}
-	_, err := udpServer.Start()
-	assert.Error(err).IsNil()
+	dokodemo := NewDokodemoDoor(&Config{
+		Address: v2net.IPAddress([]byte{5, 6, 7, 8}),
+		Port:    256,
+		Network: v2net.UDPNetwork.AsList(),
+		Timeout: 600,
+	}, testPacketDispatcher)
 
-	pointPort := v2nettesting.PickPort()
-	config := &point.Config{
-		Port: pointPort,
-		InboundConfig: &point.ConnectionConfig{
-			Protocol: "dokodemo-door",
-			Settings: []byte(`{
-        "address": "127.0.0.1",
-        "port": ` + port.String() + `,
-        "network": "udp",
-        "timeout": 0
-      }`),
-		},
-		OutboundConfig: &point.ConnectionConfig{
-			Protocol: "freedom",
-			Settings: nil,
-		},
-	}
-
-	point, err := point.NewPoint(config)
-	assert.Error(err).IsNil()
-
-	err = point.Start()
+	port := v2nettesting.PickPort()
+	err := dokodemo.Listen(port)
 	assert.Error(err).IsNil()
+	netassert.Port(port).Equals(dokodemo.Port())
 
 	udpClient, err := net.DialUDP("udp", nil, &net.UDPAddr{
 		IP:   []byte{127, 0, 0, 1},
-		Port: int(pointPort),
+		Port: int(port),
 		Zone: "",
 	})
 	assert.Error(err).IsNil()
@@ -132,4 +87,7 @@ func TestDokodemoUDP(t *testing.T) {
 	udpClient.Close()
 
 	assert.StringLiteral("Processed: " + data2Send).Equals(string(response[:nBytes]))
+	assert.Bool(testPacketDispatcher.LastPacket.Destination().IsUDP()).IsTrue()
+	netassert.Address(testPacketDispatcher.LastPacket.Destination().Address()).Equals(v2net.IPAddress([]byte{5, 6, 7, 8}))
+	netassert.Port(testPacketDispatcher.LastPacket.Destination().Port()).Equals(256)
 }