MONGOID-4118: Count must be cast to integer

Author: durran

lib/mongo/collection/view/readable.rb

@@ -138,7 +138,7 @@ def count(options = {})
           cmd[:limit] = options[:limit] if options[:limit]
           cmd[:maxTimeMS] = options[:max_time_ms] if options[:max_time_ms]
           read_with_retry do
-            database.command(cmd, options).n
+            database.command(cmd, options).n.to_i
           end
         end
 

spec/mongo/collection/view/readable_spec.rb

@@ -227,6 +227,10 @@
       it 'returns the count of matching documents' do
         expect(view.count).to eq(1)
       end
+
+      it 'returns an integer' do
+        expect(view.count).to be_a(Integer)
+      end
     end
 
     context 'when no selector is provided' do