diff --git a/src/application/services/batch_operations.rs b/src/application/services/batch_operations.rs
index a149ff6c..901abb66 100755
--- a/src/application/services/batch_operations.rs
+++ b/src/application/services/batch_operations.rs
@@ -467,6 +467,7 @@ impl BatchOperationService {
                     result.stats.successful += 1;
                 }
                 Err(e) => {
+                    tracing::debug!("Failed to trash file {}: {}", file_id, e);
                     result.failed.push((file_id, e.to_string()));
                     result.stats.failed += 1;
                 }
@@ -530,6 +531,7 @@ impl BatchOperationService {
                     result.stats.successful += 1;
                 }
                 Err(e) => {
+                    tracing::debug!("Failed to trash folder {}: {}", folder_id, e);
                     result.failed.push((folder_id, e.to_string()));
                     result.stats.failed += 1;
                 }
diff --git a/src/application/services/batch_operations_test.rs b/src/application/services/batch_operations_test.rs
new file mode 100644
index 00000000..3d468bbe
--- /dev/null
+++ b/src/application/services/batch_operations_test.rs
@@ -0,0 +1,92 @@
+//! Tests for batch operations
+//!
+//! This module contains tests for batch operation functionality,
+//! including the trash folders fix for issue #124.
+
+#[cfg(test)]
+mod tests {
+    use std::sync::Arc;
+
+    use crate::application::services::batch_operations::{BatchOperationService, BatchResult, BatchStats};
+    use crate::application::services::file_retrieval_service::FileRetrievalService;
+    use crate::application::services::file_management_service::FileManagementService;
+    use crate::application::services::folder_service::FolderService;
+    use crate::common::config::AppConfig;
+    use crate::infrastructure::repositories::pg::file_blob_read_repository::FileBlobReadRepository;
+    use crate::infrastructure::repositories::pg::file_blob_write_repository::FileBlobWriteRepository;
+    use crate::infrastructure::repositories::pg::folder_db_repository::FolderDbRepository;
+
+    /// Test that verifies the result mapping logic for batch operations.
+    /// This addresses issue #124 where batch folder trash was reporting 0/1 successful.
+    #[test]
+    fn test_trash_result_mapping() {
+        // Test Ok(()) maps to Ok(id)
+        let folder_id = "test-folder-id".to_string();
+        let trash_result: Result<(), String> = Ok(());
+        let id_for_result = folder_id.clone();
+        let mapped = trash_result.map(|_| id_for_result);
+        
+        assert!(mapped.is_ok(), "Ok result should remain Ok after mapping");
+        assert_eq!(mapped.unwrap(), folder_id, "Mapped result should contain the folder_id");
+
+        // Test Err maps to Err (preserved)
+        let folder_id2 = "test-folder-id-2".to_string();
+        let trash_result2: Result<(), String> = Err("Some error".to_string());
+        let id_for_result2 = folder_id2.clone();
+        let mapped2 = trash_result2.map(|_| id_for_result2);
+        
+        assert!(mapped2.is_err(), "Err result should remain Err after mapping");
+    }
+
+    /// Test that batch result counting works correctly
+    #[test]
+    fn test_batch_result_counting() {
+        let mut result = BatchResult {
+            successful: Vec::new(),
+            failed: Vec::new(),
+            stats: BatchStats {
+                total: 3,
+                successful: 0,
+                failed: 0,
+                execution_time_ms: 0,
+                max_concurrency: 1,
+            },
+        };
+
+        // Simulate processing 2 successes and 1 failure
+        result.successful.push("id1".to_string());
+        result.stats.successful += 1;
+        
+        result.successful.push("id3".to_string());
+        result.stats.successful += 1;
+        
+        result.failed.push(("id2".to_string(), "error".to_string()));
+        result.stats.failed += 1;
+
+        assert_eq!(result.stats.successful, 2, "Should have 2 successful");
+        assert_eq!(result.stats.failed, 1, "Should have 1 failed");
+        assert_eq!(result.successful.len(), 2, "Successful vector should have 2 items");
+        assert_eq!(result.failed.len(), 1, "Failed vector should have 1 item");
+    }
+
+    /// Test that BatchOperationService can be created with stub repositories
+    #[tokio::test]
+    async fn test_batch_service_creation() {
+        let folder_repo = Arc::new(FolderDbRepository::new_stub());
+        let file_read_repo = Arc::new(FileBlobReadRepository::new_stub());
+        let file_write_repo = Arc::new(FileBlobWriteRepository::new_stub());
+        
+        let file_retrieval = Arc::new(FileRetrievalService::new(file_read_repo));
+        let file_management = Arc::new(FileManagementService::new(file_write_repo));
+        let folder_service = Arc::new(FolderService::new(folder_repo));
+        
+        let _batch_service = BatchOperationService::new(
+            file_retrieval,
+            file_management,
+            folder_service,
+            AppConfig::default(),
+        );
+        
+        // Service created successfully
+    }
+}
diff --git a/src/application/services/mod.rs b/src/application/services/mod.rs
index 1fc27b90..8db8ccc1 100755
--- a/src/application/services/mod.rs
+++ b/src/application/services/mod.rs
@@ -22,6 +22,8 @@ pub mod trash_service;
 pub mod wopi_lock_service;
 pub mod wopi_token_service;
 
+#[cfg(test)]
+mod batch_operations_test;
 #[cfg(test)]
 mod idor_protection_test;
 #[cfg(test)]