lib/csv2hash/adapters/csv_adapter.rb in csv2hash-0.7.6 vs lib/csv2hash/adapters/csv_adapter.rb in csv2hash-0.7.7

@@ -11,10 +11,17 @@
       def initialize file_path
         self.file_path = file_path
       end
 
       def source
+        check_file!
         CSV.read self.file_path
+      end
+
+      private
+
+      def check_file!
+        raise ::Csv2hash::InvalidFile unless File.extname(self.file_path) =~ /csv/i
       end
 
     end
   end
 end