added test and changed paginate method to return a string

lib/kaminari/helpers/action_view_extension.rb

@@ -18,7 +18,8 @@ module Kaminari
       # * <tt>:remote</tt> - Ajax? (false by default)
       # * <tt>:ANY_OTHER_VALUES</tt> - Any other hash key & values would be directly passed into each tag as :locals value.
       def paginate(scope, options = {}, &block)
-        Kaminari::Helpers::Paginator.new self, options.reverse_merge(:current_page => scope.current_page, :num_pages => scope.num_pages, :per_page => scope.limit_value, :param_name => Kaminari.config.param_name, :remote => false)
+        paginator = Kaminari::Helpers::Paginator.new self, options.reverse_merge(:current_page => scope.current_page, :num_pages => scope.num_pages, :per_page => scope.limit_value, :param_name => Kaminari.config.param_name, :remote => false)
+        paginator.to_s
       end
     end
   end

spec/helpers/action_view_extension_spec.rb

@@ -0,0 +1,21 @@
+require File.expand_path('../spec_helper', File.dirname(__FILE__))
+include Kaminari::ActionViewExtension
+
+describe 'Kaminari::ActionViewExtension' do
+  describe '#paginate' do
+    before do
+      @author = User.create! :name => 'author'
+      @books = 2.times.map { @author.books_authored.create! }
+      @books = Book.page(1)
+    end
+    subject { paginate( @books ) }
+    it { should be_a(String) }
+
+    context "escaping the pagination for javascript" do
+      it "should escape for javascript" do
+        lambda { escape_javascript( paginate( @books ) ) }.should_not raise_error
+      end
+    end
+  end
+end
+