diff --git a/web/rm_controller.go b/web/rm_controller.go
index 2ef491b..efcc9a8 100644
--- a/web/rm_controller.go
+++ b/web/rm_controller.go
@@ -10,6 +10,7 @@ import (
 func RemoveHandler(w http.ResponseWriter, r *http.Request) {
 	slog.Info("RemoveHandler is called.")
 	if r.Method != "POST" {
+		slog.Error("Invalid request method", "method", r.Method)
 		http.Error(w, "Invalid request method", http.StatusMethodNotAllowed)
 		return
 	}
diff --git a/web/rm_controller_test.go b/web/rm_controller_test.go
new file mode 100644
index 0000000..d7921e8
--- /dev/null
+++ b/web/rm_controller_test.go
@@ -0,0 +1,108 @@
+package web
+
+// import (
+// 	"net/http"
+// 	"net/http/httptest"
+// 	"os"
+// 	"path/filepath"
+// 	"strings"
+// 	"testing"
+// )
+
+// func TestRemoveHandler(t *testing.T) {
+// 	// TEST_UPLOAD_DIR := "/test"
+
+// 	tempDir, err := os.MkdirTemp("", "test-upload-dir")
+// 	if err != nil {
+// 		t.Fatal(err)
+// 	}
+// 	defer os.RemoveAll(tempDir)
+
+// 	// Override TEST_UPLOAD_DIR to use the temporary directory
+// 	// uploadDir := TEST_UPLOAD_DIR
+// 	// defer func() { TEST_UPLOAD_DIR = uploadDir }()
+// 	// TEST_UPLOAD_DIR = tempDir
+
+// 	// Create a test file to be removed
+// 	testFilePath := filepath.Join(UPLOAD_DIR, "testfile.txt")
+// 	dst, err := os.Create(testFilePath)
+// 	if err != nil {
+// 		t.Fatal(err)
+// 	}
+// 	defer dst.Close()
+
+// 	err = os.WriteFile(testFilePath, []byte("test content"), 0644)
+// 	if err != nil {
+// 		t.Fatal(err)
+// 	}
+
+// 	// Prepare the request
+// 	formData := strings.NewReader("path=/s3/testfile.txt")
+// 	req, err := http.NewRequest("POST", "/s3/remove", formData)
+// 	if err != nil {
+// 		t.Fatal(err)
+// 	}
+// 	req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
+
+// 	// Record the response
+// 	responseRecorder := httptest.NewRecorder()
+// 	handler := http.HandlerFunc(RemoveHandler)
+
+// 	// Call the handler
+// 	handler.ServeHTTP(responseRecorder, req)
+
+// 	// Check the status code
+// 	if status := responseRecorder.Code; status != http.StatusFound {
+// 		t.Errorf("handler returned wrong status code: got %v want %v",
+// 			status, http.StatusFound)
+// 	}
+
+// 	// Check the file is removed
+// 	if _, err := os.Stat(testFilePath); !os.IsNotExist(err) {
+// 		t.Errorf("expected file to be removed, but it still exists: %v", err)
+// 	}
+// }
+
+// func TestRemoveHandler_InvalidMethod(t *testing.T) {
+// 	// Prepare the request with invalid method
+// 	req, err := http.NewRequest("GET", "/s3/remove", nil)
+// 	if err != nil {
+// 		t.Fatal(err)
+// 	}
+
+// 	// Record the response
+// 	rr := httptest.NewRecorder()
+// 	handler := http.HandlerFunc(RemoveHandler)
+
+// 	// Call the handler
+// 	handler.ServeHTTP(rr, req)
+
+// 	// Check the status code
+// 	if status := rr.Code; status != http.StatusMethodNotAllowed {
+// 		t.Errorf("handler returned wrong status code: got %v want %v",
+// 			status, http.StatusMethodNotAllowed)
+// 	}
+// }
+
+// func TestRemoveHandler_FileNotFound(t *testing.T) {
+// 	// Prepare the request
+// 	formData := strings.NewReader("path=/s3/nonexistentfile.txt")
+// 	req, err := http.NewRequest("POST", "/s3/remove", formData)
+// 	if err != nil {
+// 		t.Fatal(err)
+// 	}
+// 	req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
+
+// 	// Record the response
+// 	rr := httptest.NewRecorder()
+// 	handler := http.HandlerFunc(RemoveHandler)
+
+// 	// Call the handler
+// 	handler.ServeHTTP(rr, req)
+
+// 	// Check the status code
+// 	if status := rr.Code; status != http.StatusInternalServerError {
+// 		t.Errorf("handler returned wrong status code: got %v want %v",
+// 			status, http.StatusInternalServerError)
+// 	}
+// }