diff --git a/utils/telegram/telegram_test.go b/utils/telegram/telegram_test.go
new file mode 100644
index 0000000..ab2c3f2
--- /dev/null
+++ b/utils/telegram/telegram_test.go
@@ -0,0 +1,153 @@
+package telegram
+
+import (
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"os"
+	"reflect"
+	"testing"
+	"time"
+	"zeril-bot/utils/structs"
+)
+
+func TestNew(t *testing.T) {
+	token := "123123:test"
+	t.Setenv("TELE_BOT_TOKEN", token)
+
+	endpoint := BASE_URL + "/bot" + os.Getenv("TELE_BOT_TOKEN")
+
+	type args struct {
+		http    *http.Client
+		baseUrl string
+	}
+
+	tests := []struct {
+		name string
+		args args
+		want *Telegram
+	}{
+		{
+			name: "Test Nil",
+			args: args{
+				http:    nil,
+				baseUrl: BASE_URL,
+			},
+			want: &Telegram{
+				client:   nil,
+				endpoint: endpoint,
+			},
+		},
+		{
+			name: "Test happy case",
+			args: args{
+				http:    &http.Client{},
+				baseUrl: BASE_URL,
+			},
+			want: &Telegram{
+				client:   &http.Client{},
+				endpoint: endpoint,
+			},
+		},
+		{
+			name: "Test with client config",
+			args: args{
+				http: &http.Client{
+					Timeout: 30 * time.Second,
+				},
+				baseUrl: BASE_URL,
+			},
+			want: &Telegram{
+				client: &http.Client{
+					Timeout: 30 * time.Second,
+				},
+				endpoint: endpoint,
+			},
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			got := New(test.args.http, test.args.baseUrl)
+			if !reflect.DeepEqual(got, test.want) {
+				t.Errorf("New() = %v, want %v", got, test.want)
+			}
+		})
+	}
+}
+
+func TestSendMessage(t *testing.T) {
+	token := "123123:test"
+	t.Setenv("TELE_BOT_TOKEN", token)
+
+	t.Run("Test Happy Case", func(t *testing.T) {
+		server := createHappyServer(t)
+		defer server.Close()
+
+		telegram := New(server.Client(), server.URL)
+		err := telegram.SendMessage(structs.DataTele{
+			ChatId:       123,
+			Username:     "totanvix",
+			ChatType:     "private",
+			ReplyMessage: "test",
+		})
+
+		if err != nil {
+			t.Errorf("SendMessage() got %v, want = %v", err.Error(), nil)
+		}
+	})
+
+	t.Run("Test Telegram Bad Request", func(t *testing.T) {
+		server := createBadServer(t)
+		defer server.Close()
+
+		telegram := New(server.Client(), server.URL)
+		err := telegram.SendMessage(structs.DataTele{
+			ChatId:       123,
+			Username:     "totanvix",
+			ChatType:     "private",
+			ReplyMessage: "test",
+		})
+
+		if err == nil {
+			t.Errorf("SendMessage() not return error, want error")
+		}
+	})
+}
+
+func createHappyServer(t *testing.T) *httptest.Server {
+	t.Helper()
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(200)
+		res := make(map[string]any)
+		res["ok"] = true
+		res["result"] = map[string]any{
+			"message_id": 123,
+			"chat": map[string]int{
+				"id": 1,
+			},
+			"text": "test",
+		}
+		response, _ := json.Marshal(res)
+		w.Write(response)
+	}))
+
+	return server
+}
+
+func createBadServer(t *testing.T) *httptest.Server {
+	t.Helper()
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(400)
+		res := make(map[string]any)
+		res["ok"] = false
+		res["error_code"] = 400
+		res["description"] = ""
+		response, _ := json.Marshal(res)
+		w.Write(response)
+	}))
+
+	return server
+}