Ignore comment nodes in NodeSet#text.

lib/oga/xml/node_set.rb

@@ -240,7 +240,7 @@ module Oga
       alias_method :attr, :attribute
 
       ##
-      # Returns the text of all nodes in the set.
+      # Returns the text of all nodes in the set, ignoring comment nodes.
       #
       # @return [String]
       #
@@ -248,7 +248,7 @@ module Oga
         text = ''
 
         @nodes.each do |node|
-          if node.respond_to?(:text)
+          if node.respond_to?(:text) and !node.is_a?(Comment)
             text << node.text
           end
         end

spec/oga/xml/node_set_spec.rb

@@ -311,18 +311,20 @@ describe Oga::XML::NodeSet do
   context '#text' do
     before do
       child   = Oga::XML::Text.new(:text => 'foo')
+      comment = Oga::XML::Comment.new(:text => 'bar')
+      cdata   = Oga::XML::Cdata.new(:text => 'baz')
+      text    = Oga::XML::Text.new(:text => "\nbar")
 
       @el = Oga::XML::Element.new(
         :name     => 'a',
-        :children => described_class.new([child])
+        :children => described_class.new([child, comment, cdata])
       )
 
-      @txt = Oga::XML::Text.new(:text => "\nbar")
-      @set = described_class.new([@el, @txt])
+      @set = described_class.new([@el, text])
     end
 
     example 'return the text of all nodes' do
-      @set.text.should == "foo\nbar"
+      @set.text.should == "foobaz\nbar"
     end
   end
 end