lib/mongo/bulk_write.rb in mongo-2.18.1 vs lib/mongo/bulk_write.rb in mongo-2.18.2

@@ -113,11 +113,12 @@
     #       { delete_one: { filter: { _id: 2 }}}
     #     ]
     #   )
     #
     # @param [ Mongo::Collection ] collection The collection.
-    # @param [ Array<Hash, BSON::Document> ] requests The requests, cannot be empty.
+    # @param [ Enumerable<Hash, BSON::Document> ] requests The requests,
+    #   cannot be empty.
     # @param [ Hash, BSON::Document ] options The options.
     #
     # @since 2.1.0
     def initialize(collection, requests, options = {})
       @collection = collection
@@ -328,14 +329,13 @@
     #
     # @raise [ Error::InvalidUpdateDocument, Error::InvalidReplacementDocument,
     #   ArgumentError ]
     #   if the document is invalid.
     def validate_requests!
-      if @requests.empty?
-        raise ArgumentError, "Bulk write requests cannot be empty"
-      end
+      requests_empty = true
       @requests.each do |req|
+        requests_empty = false
         if op = req.keys.first
           if [:update_one, :update_many].include?(op)
             if doc = maybe_first(req.dig(op, :update))
               if key = doc.keys&.first
                 unless key.to_s.start_with?("$")
@@ -357,9 +357,11 @@
                 end
               end
             end
           end
         end
+      end.tap do
+        raise ArgumentError, "Bulk write requests cannot be empty" if requests_empty
       end
     end
 
     # If the given object is an array return the first element, otherwise
     # return the given object.