Merge pull request #948 from benlovell/add_element_disabled

Add element disabled?

lib/capybara/driver/node.rb

@@ -57,6 +57,10 @@ module Capybara
         raise NotImplementedError
       end
 
+      def disabled?
+        raise NotImplementedError
+      end
+
       def path
         raise NotSupportedByDriverError
       end

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/node/simple.rb

@@ -108,6 +108,15 @@ module Capybara
         native[:checked]
       end
 
+      ##
+      #
+      # Whether or not the element is disabled.
+      #
+      # @return [Boolean]     Whether the element is disabled
+      def disabled?
+        native[:disabled]
+      end
+
       ##
       #
       # Whether or not the element is selected.

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/selenium/node.rb

@@ -70,6 +70,10 @@ class Capybara::Selenium::Node < Capybara::Driver::Node
     selected and selected != "false"
   end
 
+  def disabled?
+    !native.enabled?
+  end
+
   alias :checked? :selected?
 
   def find(locator)

lib/capybara/spec/session/node_spec.rb

@@ -81,6 +81,14 @@ 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_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 +9,19 @@
       <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_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>

spec/basic_node_spec.rb

@@ -10,6 +10,11 @@ describe Capybara do
             <p>Yes it is</p>
           </div>
 
+          <form>
+            <input type="text" name="bleh" disabled="disabled"/>
+            <input type="text" name="meh"/>
+          </form>
+
           <div id="footer" style="display: none">
             <p>c2010</p>
             <p>Jonas Nicklas</p>
@@ -77,13 +82,18 @@ describe Capybara do
     end
 
     it "allows finding elements and extracting the path" do
-      string.find('//input').value.should == 'bar'
+      string.find('//div/input').value.should == 'bar'
       string.find('//select').value.should == 'Capybara'
     end
 
     it "allows finding elements and checking if they are visible" do
       string.find('//h1').should be_visible
-      string.find('//input').should_not be_visible
+      string.find('//div/input').should_not be_visible
+    end
+
+    it "allows finding elements and checking if they are disabled" do
+      string.find('//form/input[@name="bleh"]').should be_disabled
+      string.find('//form/input[@name="meh"]').should_not be_disabled
     end
   end
 end