feat: communication using custom packet protocol

1 files changed, 50 insertions, 0 deletions

diff --git a/internal/packet/packet_test.go b/internal/packet/packet_test.go
new file mode 100644
index 0000000..20370af
--- /dev/null
+++ b/internal/packet/packet_test.go
@@ -0,0 +1,50 @@
+package packet
+
+import (
+	"testing"
+
+	"github.com/vmihailenco/msgpack/v5"
+)
+
+func TestMsgPackEncoding(t *testing.T) {
+	request := EkoMessage{Message: "test"}
+	data, err := msgpack.Marshal(&request)
+	if err != nil {
+		t.Errorf("encoding error: %v", err)
+		return
+	}
+	var response EkoMessage
+	err = msgpack.Unmarshal(data, &response)
+	if err != nil {
+		t.Errorf("decoding error: %v", err)
+		return
+	}
+	if request.Message != response.Message {
+		t.Errorf("%v != %v", request.Message, response.Message)
+		return
+	}
+}
+
+func TestPacketMsgPackEncoding(t *testing.T) {
+	request := EkoMessage{Message: "test"}
+	encoder1, err := NewMsgPackEncoder(&request)
+	encoder2, _ := NewMsgPackEncoder(&request)
+	if err != nil {
+		t.Errorf("encoding error: %v", err)
+		return
+	}
+	encodedBytes := make([]byte, PACKET_MAX_SIZE)
+	n, _ := encoder2.Read(encodedBytes[HEADER_SIZE:])
+
+	packet := NewPacket(encoder1)
+	var response EkoMessage
+	err = packet.DecodePayload(&response)
+	if err != nil {
+		t.Errorf("decoding error: %#v: packet: %v encoder: %v", err, packet.Payload(), encodedBytes[HEADER_SIZE:HEADER_SIZE+n])
+		return
+	}
+	if request.Message != response.Message {
+		t.Errorf("%v != %v", request.Message, response.Message)
+		return
+	}
+}