fix the test to handle the document deletion correctly

index-scheduler/src/lib.rs

@@ -1758,8 +1758,13 @@ mod tests {
             .unwrap();
         snapshot!(snapshot_index_scheduler(&index_scheduler), name: "registered_the_second_task");
 
-        handle.advance_one_successful_batch(); // The deletion AND addition should've been batched together
+        // The deletion should have failed because it can't create an index
-        snapshot!(snapshot_index_scheduler(&index_scheduler), name: "after_processing_the_batch");
+        handle.advance_one_failed_batch();
+        snapshot!(snapshot_index_scheduler(&index_scheduler), name: "after_failing_the_deletion");
+
+        // The addition should works
+        handle.advance_one_successful_batch();
+        snapshot!(snapshot_index_scheduler(&index_scheduler), name: "after_last_successful_addition");
 
         let index = index_scheduler.index("doggos").unwrap();
         let rtxn = index.read_txn().unwrap();

index-scheduler/src/snapshots/lib.rs/document_deletion_and_document_addition/after_failing_the_deletion.snap

@@ -0,0 +1,43 @@
+---
+source: index-scheduler/src/lib.rs
+---
+### Autobatching Enabled = true
+### Processing Tasks:
+[]
+----------------------------------------------------------------------
+### All Tasks:
+0 {uid: 0, status: failed, error: ResponseError { code: 200, message: "Index `doggos` not found.", error_code: "index_not_found", error_type: "invalid_request", error_link: "https://docs.meilisearch.com/errors#index_not_found" }, details: { received_document_ids: 2, deleted_documents: Some(0) }, kind: DocumentDeletion { index_uid: "doggos", documents_ids: ["1", "2"] }}
+1 {uid: 1, status: enqueued, details: { received_documents: 3, indexed_documents: None }, kind: DocumentAdditionOrUpdate { index_uid: "doggos", primary_key: Some("id"), method: ReplaceDocuments, content_file: 00000000-0000-0000-0000-000000000000, documents_count: 3, allow_index_creation: true }}
+----------------------------------------------------------------------
+### Status:
+enqueued [1,]
+failed [0,]
+----------------------------------------------------------------------
+### Kind:
+"documentAdditionOrUpdate" [1,]
+"documentDeletion" [0,]
+----------------------------------------------------------------------
+### Index Tasks:
+doggos [0,1,]
+----------------------------------------------------------------------
+### Index Mapper:
+[]
+----------------------------------------------------------------------
+### Canceled By:
+
+----------------------------------------------------------------------
+### Enqueued At:
+[timestamp] [0,]
+[timestamp] [1,]
+----------------------------------------------------------------------
+### Started At:
+[timestamp] [0,]
+----------------------------------------------------------------------
+### Finished At:
+[timestamp] [0,]
+----------------------------------------------------------------------
+### File Store:
+00000000-0000-0000-0000-000000000000
+
+----------------------------------------------------------------------
+

index-scheduler/src/snapshots/lib.rs/document_deletion_and_document_addition/after_last_successful_addition.snap

@@ -0,0 +1,45 @@
+---
+source: index-scheduler/src/lib.rs
+---
+### Autobatching Enabled = true
+### Processing Tasks:
+[]
+----------------------------------------------------------------------
+### All Tasks:
+0 {uid: 0, status: failed, error: ResponseError { code: 200, message: "Index `doggos` not found.", error_code: "index_not_found", error_type: "invalid_request", error_link: "https://docs.meilisearch.com/errors#index_not_found" }, details: { received_document_ids: 2, deleted_documents: Some(0) }, kind: DocumentDeletion { index_uid: "doggos", documents_ids: ["1", "2"] }}
+1 {uid: 1, status: succeeded, details: { received_documents: 3, indexed_documents: Some(3) }, kind: DocumentAdditionOrUpdate { index_uid: "doggos", primary_key: Some("id"), method: ReplaceDocuments, content_file: 00000000-0000-0000-0000-000000000000, documents_count: 3, allow_index_creation: true }}
+----------------------------------------------------------------------
+### Status:
+enqueued []
+succeeded [1,]
+failed [0,]
+----------------------------------------------------------------------
+### Kind:
+"documentAdditionOrUpdate" [1,]
+"documentDeletion" [0,]
+----------------------------------------------------------------------
+### Index Tasks:
+doggos [0,1,]
+----------------------------------------------------------------------
+### Index Mapper:
+["doggos"]
+----------------------------------------------------------------------
+### Canceled By:
+
+----------------------------------------------------------------------
+### Enqueued At:
+[timestamp] [0,]
+[timestamp] [1,]
+----------------------------------------------------------------------
+### Started At:
+[timestamp] [0,]
+[timestamp] [1,]
+----------------------------------------------------------------------
+### Finished At:
+[timestamp] [0,]
+[timestamp] [1,]
+----------------------------------------------------------------------
+### File Store:
+
+----------------------------------------------------------------------
+

index-scheduler/src/snapshots/lib.rs/document_deletion_and_document_addition/documents.snap

@@ -0,0 +1,17 @@
+---
+source: index-scheduler/src/lib.rs
+---
+[
+  {
+    "id": 1,
+    "doggo": "jean bob"
+  },
+  {
+    "id": 2,
+    "catto": "jorts"
+  },
+  {
+    "id": 3,
+    "doggo": "bork"
+  }
+]

index-scheduler/src/utils.rs

@@ -439,20 +439,23 @@ impl IndexScheduler {
                         provided_ids: received_document_ids,
                         deleted_documents,
                     } => {
-                        if let Some(deleted_documents) = deleted_documents {
-                            assert_eq!(status, Status::Succeeded);
-                            assert!(deleted_documents <= received_document_ids as u64);
                         assert_eq!(kind.as_kind(), Kind::DocumentDeletion);
-
+                        let KindWithContent::DocumentDeletion {
-                            match &kind {
+                            ref index_uid,
-                                KindWithContent::DocumentDeletion { index_uid, documents_ids } => {
+                            ref documents_ids,
+                        } = kind else { unreachable!() };
                         assert_eq!(&task_index_uid.unwrap(), index_uid);
-                                    assert!(documents_ids.len() >= received_document_ids);
+
+                        match status {
+                            Status::Enqueued | Status::Processing => (),
+                            Status::Succeeded => {
+                                assert!(deleted_documents.unwrap() <= received_document_ids as u64);
+                                assert!(documents_ids.len() == received_document_ids);
                             }
-                                _ => panic!(),
+                            Status::Failed | Status::Canceled => {
+                                assert!(deleted_documents == Some(0));
+                                assert!(documents_ids.len() == received_document_ids);
                             }
-                        } else {
-                            assert_ne!(status, Status::Succeeded);
                         }
                     }
                     Details::ClearAll { deleted_documents } => {