Added disabled? to the node

lib/capybara/node/element.rb

@@ -142,6 +142,16 @@ module Capybara
         synchronize { base.selected? }
       end
 
+      ##
+      #
+      # Whether or not the element is disabled.
+      #
+      # @return [Boolean]     Whether the element is disabled
+      #
+      def disabled?
+        synchronize { base.disabled? }
+      end
+
       ##
       #
       # An XPath expression describing where on the page the element can be found

lib/capybara/rack_test/node.rb

@@ -68,6 +68,10 @@ class Capybara::RackTest::Node < Capybara::Driver::Node
     string_node.selected?
   end
 
+  def disabled?
+    string_node.disabled?
+  end
+
   def path
     native.path
   end

lib/capybara/spec/session/node_spec.rb

@@ -81,6 +81,15 @@ Capybara::SpecHelper.spec "node" do
     end
   end
 
+  describe "#disabled?" do
+    it "should extract disabled node" do
+      @session.visit('/form')
+      @session.find('//input[@id="customer_name"]').should be_disabled
+      @session.find('//input[@id="customer_age"]').should be_disabled
+      @session.find('//input[@id="customer_email"]').should_not be_disabled
+    end
+  end
+
   describe "#visible?" do
     it "should extract node visibility" do
       @session.first('//a').should be_visible

lib/capybara/spec/views/form.erb

@@ -9,8 +9,25 @@
       <option>Mr</option>
       <option>Miss</option>
     </select>
+    </p>
+
+  <p>
+    <label for="customer_name">Customer Name
+      <input type="text" name="form[customer_name]" value="Blah" id="customer_name" disabled="disabled"/>
+    </label>
   </p>
 
+  <p>
+    <label for="customer_age">Customer Age
+      <input type="text" name="form[customer_age]" value="33" id="customer_age" disabled=""/>
+    </label>
+    </p>
+
+  <p>
+    <label for="customer_email">Customer Email
+      <input type="text" name="form[customer_email]" value="ben@ben.com" id="customer_email"/>
+    </label>
+  </p>
 
   <p>
     <label for="form_other_title">Other title</label>