diff --git a/agents/diamagent_test.go b/agents/diamagent_test.go
index 106fff56f..a8139e670 100644
--- a/agents/diamagent_test.go
+++ b/agents/diamagent_test.go
@@ -535,3 +535,16 @@ func TestProcessRequest(t *testing.T) {
 	}
 
 }
+
+func TestV1GetActiveSessionIDs(t *testing.T) {
+	da := &DiameterAgent{}
+	ignParam := "ignore"
+	var sessionIDs []*sessions.SessionID
+	err := da.V1GetActiveSessionIDs(ignParam, &sessionIDs)
+	if err != utils.ErrNotImplemented {
+		t.Errorf("Expected ErrNotImplemented, but got: %v", err)
+	}
+	if len(sessionIDs) != 0 {
+		t.Errorf("Expected sessionIDs slice to be empty, but got %d items", len(sessionIDs))
+	}
+}
diff --git a/agents/kamevent_test.go b/agents/kamevent_test.go
index 688b7f0ac..2716d4303 100644
--- a/agents/kamevent_test.go
+++ b/agents/kamevent_test.go
@@ -826,3 +826,89 @@ func TestKamEventKamReplyString(t *testing.T) {
 		t.Errorf("Unexpected TransactionLabel in parsed KamReply: expected %s, got %v", "label", parsedReply["TransactionLabel"])
 	}
 }
+
+func TestKamDlgReplyString(t *testing.T) {
+	kdr := &KamDlgReply{}
+	expectedJSON := `{"Event":"","Jsonrpl_body":null}`
+	result := kdr.String()
+	if result != expectedJSON {
+		t.Errorf("Expected %s, but got %s", expectedJSON, result)
+	}
+}
+
+func TestNewKamDlgReply(t *testing.T) {
+	validJSON := []byte(`{"Field1":"test","Field2":123}`)
+	expectedReply := KamDlgReply{}
+	rpl, err := NewKamDlgReply(validJSON)
+	if err != nil {
+		t.Errorf("Expected no error, but got %v", err)
+	}
+	if rpl != expectedReply {
+		t.Errorf("Expected %+v, but got %+v", expectedReply, rpl)
+	}
+	invalidJSON := []byte(`{"Field1":"test","Field2":}`)
+	_, err = NewKamDlgReply(invalidJSON)
+	if err == nil {
+		t.Errorf("Expected an error, but got nil")
+	}
+	emptyJSON := []byte(`{}`)
+	expectedEmptyReply := KamDlgReply{}
+	rpl, err = NewKamDlgReply(emptyJSON)
+	if err != nil {
+		t.Errorf("Expected no error, but got %v", err)
+	}
+
+	if rpl != expectedEmptyReply {
+		t.Errorf("Expected %+v, but got %+v", expectedEmptyReply, rpl)
+	}
+}
+
+func TestAsKamAuthReplyProcessStats(t *testing.T) {
+	kamEvData := KamEvent{}
+	authArgs := &sessions.V1AuthorizeArgs{
+		ProcessStats: true,
+	}
+	statQueueIDs := []string{"queue1", "queue2", "queue3"}
+	authReply := &sessions.V1AuthorizeReply{
+		StatQueueIDs: &statQueueIDs,
+	}
+	kar, err := kamEvData.AsKamAuthReply(authArgs, authReply, nil)
+	if err != nil {
+		t.Errorf("Expected no error, but got %v", err)
+	}
+	expectedStatQueues := "queue1,queue2,queue3"
+	if kar.StatQueues != expectedStatQueues {
+		t.Errorf("Expected StatQueues to be %s, but got %s", expectedStatQueues, kar.StatQueues)
+	}
+}
+
+func TestAsKamAuthReplyProcessThresholds(t *testing.T) {
+	kamEvData := KamEvent{
+		KamTRIndex: "index123",
+		KamTRLabel: "label123",
+	}
+	authArgs := &sessions.V1AuthorizeArgs{
+		ProcessThresholds: true,
+	}
+	thresholdIDs := []string{"threshold1", "threshold2", "threshold3"}
+	authReply := &sessions.V1AuthorizeReply{
+		ThresholdIDs: &thresholdIDs,
+	}
+	kar, err := kamEvData.AsKamAuthReply(authArgs, authReply, nil)
+	if err != nil {
+		t.Errorf("Expected no error, but got %v", err)
+	}
+	expectedThresholds := "threshold1,threshold2,threshold3"
+	if kar.Thresholds != expectedThresholds {
+		t.Errorf("Expected Thresholds to be %s, but got %s", expectedThresholds, kar.Thresholds)
+	}
+}
+
+func TestV1AuthorizeArgsParseFlags(t *testing.T) {
+	kev := make(KamEvent)
+	args := kev.V1AuthorizeArgs()
+	if !args.GetMaxUsage {
+		t.Error("Expected GetMaxUsage to be true when CGRFlags is not present")
+	}
+
+}
diff --git a/agents/libdiam_test.go b/agents/libdiam_test.go
index 320cea6fd..98630f05e 100644
--- a/agents/libdiam_test.go
+++ b/agents/libdiam_test.go
@@ -1189,3 +1189,19 @@ func TestLibDiamBareErr(t *testing.T) {
 		t.Errorf("Expected CommandFlags to be set to ErrorFlag, got %v", result.Header.CommandFlags)
 	}
 }
+
+func TestHeaderLenDiam(t *testing.T) {
+	a := &diam.AVP{
+		Flags: avp.Vbit,
+	}
+	result := headerLen(a)
+	if result != 12 {
+		t.Errorf("Expected headerLen to return 12 for Vbit set, got: %d", result)
+	}
+	a.Flags = 0
+	result = headerLen(a)
+	if result != 8 {
+		t.Errorf("Expected headerLen to return 8 for Vbit not set, got: %d", result)
+	}
+
+}
diff --git a/agents/libhttpagent_test.go b/agents/libhttpagent_test.go
index eb14657db..8c1692e17 100644
--- a/agents/libhttpagent_test.go
+++ b/agents/libhttpagent_test.go
@@ -22,8 +22,11 @@ import (
 	"bufio"
 	"bytes"
 	"net/http"
+	"net/http/httptest"
 	"strings"
 	"testing"
+
+	"github.com/cgrates/cgrates/utils"
 	//"github.com/cgrates/cgrates/utils"
 )
 
@@ -191,3 +194,39 @@ func TestHttpXmlDPFieldAsInterface2(t *testing.T) {
 		t.Errorf("expecting: 0.0225, received: <%s>", data)
 	}
 }
+
+func TestStringMethod(t *testing.T) {
+	req, err := http.NewRequest("GET", "http://cgrates.com", nil)
+	if err != nil {
+		t.Fatalf("Failed to create request: %v", err)
+	}
+	hU := &httpUrlDP{
+		req: req,
+	}
+	str := hU.String()
+	expectedPrefix := "GET / HTTP/1.1\r\nHost: cgrates.com\r\n"
+	if str[:len(expectedPrefix)] != expectedPrefix {
+		t.Errorf("Expected request string to start with '%s', got '%s'", expectedPrefix, str)
+	}
+}
+
+func TestNewHATextPlainEncoder(t *testing.T) {
+	w := httptest.NewRecorder()
+	_, err := newHATextPlainEncoder(w)
+	if err != nil {
+		t.Fatalf("Unexpected error creating encoder: %v", err)
+	}
+
+}
+
+func TestRemoteHost(t *testing.T) {
+	addr := "192.168.1.1:2012"
+	hU := &httpXmlDP{
+		addr: addr,
+	}
+	remoteAddr := hU.RemoteHost()
+	expectedAddr := utils.NewNetAddr("TCP", addr)
+	if remoteAddr.String() != expectedAddr.String() {
+		t.Errorf("Expected RemoteHost to return %v, but got %v", expectedAddr, remoteAddr)
+	}
+}