video thumbnails

backend/src/test_support/mod.rs

@@ -112,6 +112,26 @@ impl ObjectStorage for FakeStorage {
             .ok_or_else(|| anyhow!("object {key} missing"))
     }
 
+    async fn get_object_range(
+        &self,
+        key: &str,
+        start: u64,
+        end: Option<u64>,
+    ) -> Result<Vec<u8>> {
+        let guard = self.objects.lock().await;
+        let bytes = guard
+            .get(key)
+            .map(|obj| obj.bytes.clone())
+            .ok_or_else(|| anyhow!("object {key} missing"))?;
+
+        let start_idx = start as usize;
+        let end_idx = end.map(|idx| idx.saturating_add(1) as usize).unwrap_or(bytes.len());
+        if start_idx >= bytes.len() {
+            return Ok(Vec::new());
+        }
+        Ok(bytes[start_idx..end_idx.min(bytes.len())].to_vec())
+    }
+
     async fn delete_object(&self, key: &str) -> Result<()> {
         let mut guard = self.objects.lock().await;
         guard.remove(key);