RUBY-370: allow :j option

Author: banker

lib/mongo/networking.rb

@@ -225,7 +225,7 @@ def build_last_error_message(message, db_name, opts)
       cmd = BSON::OrderedHash.new
       cmd[:getlasterror] = 1
       if opts.is_a?(Hash)
-        opts.assert_valid_keys(:w, :wtimeout, :fsync)
+        opts.assert_valid_keys(:w, :wtimeout, :fsync, :j)
         cmd.merge!(opts)
       end
       message.put_binary(BSON::BSON_CODER.serialize(cmd, false).to_s)

test/collection_test.rb

@@ -206,6 +206,14 @@ def test_safe_mode_with_advanced_safe_with_invalid_options
     end
   end
 
+  if @@version >= "2.0.0"
+    def test_safe_mode_with_journal_commit_option
+      @@test.insert({:foo => 1}, :safe => {:j => true})
+      @@test.update({:foo => 1}, {:foo => 2}, :safe => {:j => true})
+      @@test.remove({:foo => 2}, :safe => {:j => true})
+    end
+  end
+
   def test_update
     id1 = @@test.save("x" => 5)
     @@test.update({}, {"$inc" => {"x" => 1}})