1 files changed, 52 insertions, 0 deletions
diff --git a/internal/network/network_test.go b/internal/network/network_test.go
new file mode 100644
index 0000000..9dbc416
--- /dev/null
+++ b/internal/network/network_test.go
@@ -0,0 +1,52 @@
+package network
+
+import (
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+)
+
+// TestPeerToPeerCommunication tests if two peers can communicate.
+func TestPeerToPeerCommunication(t *testing.T) {
+	// Create a mock of the first peer (peer-1)
+	peer1IP := "127.0.0.1"
+	peer1Port := 9001
+	peer1 := NewTCPNetwork("peer-1", peer1IP, peer1Port)
+
+	// Create a mock of the second peer (peer-2)
+	peer2IP := "127.0.0.1"
+	peer2Port := 9002
+	peer2 := NewTCPNetwork("peer-2", peer2IP, peer2Port)
+
+	// Register a message handler on peer-2 to receive the message from peer-1
+	peer2.RegisterHandler("chat", func(msg Message) {
+		assert.Equal(t, "peer-1", msg.Source.ID)
+		assert.Equal(t, "Hey from peer-1!", string(msg.Payload))
+	})
+
+	// Start the first peer and add the second peer
+	go peer1.AddPeer("peer-2", peer2IP, peer2Port)
+	go peer2.AddPeer("peer-1", peer1IP, peer1Port)
+
+	// Wait for the connections to be established
+	// You might need a little more time based on network delay and retry logic
+	time.Sleep(5 * time.Second)
+
+	// Send a message from peer-1 to peer-2
+	err := peer1.Send("peer-2", "chat", []byte("Hey from peer-1!"))
+	assert.NoError(t, err)
+
+	// Allow some time for the message to be received and handled
+	time.Sleep(2 * time.Second)
+}
+
+// TestSendFailure tests if sending a message fails when no connection exists.
+func TestSendFailure(t *testing.T) {
+	peer1 := NewTCPNetwork("peer-1", "127.0.0.1", 9001)
+	_ = NewTCPNetwork("peer-2", "127.0.0.1", 9002)
+
+	// Attempt to send a message without establishing a connection first
+	err := peer1.Send("peer-2", "chat", []byte("Message without connection"))
+	assert.Error(t, err, "Expected error when sending to a non-connected peer")
+}