diff --git a/src/operations/operations_tests.rs b/src/operations/operations_tests.rs
new file mode 100644
index 0000000..0ed7ecc
--- /dev/null
+++ b/src/operations/operations_tests.rs
@@ -0,0 +1,29 @@
+use crate::operations::{FileInfo, SyncStats};
+
+#[test]
+fn test_file_info_formatting() {
+    let file = FileInfo {
+        name: "test.txt".to_string(),
+        path: "/path/test.txt".to_string(),
+        size: 1500,
+        is_dir: false,
+        modified: None,
+    };
+
+    assert_eq!(file.format_size(), "1.5 KB");
+    assert_eq!(file.icon(), "📄");
+}
+
+#[test]
+fn test_sync_stats_formatting() {
+    let stats = SyncStats {
+        transferred: 1024,
+        files: 10,
+        errors: 0,
+        checks: 100,
+        elapsed_time: 5.0,
+        transfer_speed: 2_500_000.0, // Добавлен .0 для f64
+    };
+
+    assert_eq!(stats.format_speed(), "2.4 MB/s");
+}