added remove all item from queue

tests/unit/test_download_service.py

@@ -340,6 +340,37 @@ class TestQueueControl:
         assert count == 1
         assert len(download_service._completed_items) == 0
 
+    @pytest.mark.asyncio
+    async def test_clear_pending(self, download_service):
+        """Test clearing all pending downloads from the queue."""
+        # Add multiple items to the queue
+        await download_service.add_to_queue(
+            serie_id="series-1",
+            serie_folder="test-series-1",
+            serie_name="Test Series 1",
+            episodes=[EpisodeIdentifier(season=1, episode=1)],
+        )
+        await download_service.add_to_queue(
+            serie_id="series-2",
+            serie_folder="test-series-2",
+            serie_name="Test Series 2",
+            episodes=[
+                EpisodeIdentifier(season=1, episode=2),
+                EpisodeIdentifier(season=1, episode=3),
+            ],
+        )
+
+        # Verify items were added
+        assert len(download_service._pending_queue) == 3
+
+        # Clear pending queue
+        count = await download_service.clear_pending()
+
+        # Verify all pending items were cleared
+        assert count == 3
+        assert len(download_service._pending_queue) == 0
+        assert len(download_service._pending_items_by_id) == 0
+
 
 class TestPersistence:
     """Test queue persistence functionality."""