add tests to IndexResolver BatchHandler

meilisearch-lib/src/tasks/handlers/mod.rs

@@ -2,3 +2,33 @@ pub mod dump_handler;
 pub mod empty_handler;
 mod index_resolver_handler;
 pub mod snapshot_handler;
+
+#[cfg(test)]
+mod test {
+    use time::OffsetDateTime;
+
+    use crate::tasks::{
+        batch::{Batch, BatchContent},
+        task::{Task, TaskContent},
+    };
+
+    pub fn task_to_batch(task: Task) -> Batch {
+        let content = match task.content {
+            TaskContent::DocumentAddition { .. } => {
+                BatchContent::DocumentAddtitionBatch(vec![task])
+            }
+            TaskContent::DocumentDeletion(_)
+            | TaskContent::SettingsUpdate { .. }
+            | TaskContent::IndexDeletion
+            | TaskContent::IndexCreation { .. }
+            | TaskContent::IndexUpdate { .. } => BatchContent::IndexUpdate(task),
+            TaskContent::Dump { .. } => BatchContent::Dump(task),
+        };
+
+        Batch {
+            id: Some(1),
+            created_at: OffsetDateTime::now_utc(),
+            content,
+        }
+    }
+}