Added function to get client ID, and a test for it

client.go

@@ -85,6 +85,14 @@ func (client *Client) Context() context.Context {
 	return client.ctx
 }
 
+// ID gets the unique identifier for the client, which could be used in data structures
+func (client *Client) ID() string {
+	client.mutex.RLock()
+	defer client.mutex.RUnlock()
+
+	return client.id
+}
+
 // Nick gets the nick of the client
 func (client *Client) Nick() string {
 	client.mutex.RLock()

client_test.go

@@ -8,7 +8,7 @@ import (
 	"git.aiterp.net/gisle/irc/internal/irctest"
 )
 
-func TestClientInteraction(t *testing.T) {
+func TestClient(t *testing.T) {
 	client := irc.New(context.Background(), irc.Config{
 		Nick:         "Test",
 		User:         "Tester",
@@ -16,6 +16,11 @@ func TestClientInteraction(t *testing.T) {
 		Alternatives: []string{"Test2", "Test3", "Test4"},
 	})
 
+	t.Logf("Client.ID = %#+v", client.ID())
+	if client.ID() == "" {
+		t.Fail()
+	}
+
 	interaction := irctest.Interaction{
 		Strict: false,
 		Lines: []irctest.InteractionLine{