Merge pull request #1000 from twalpole/readonly

Readonly attribute support for text and textarea elements

lib/capybara/rack_test/node.rb

@@ -27,7 +27,7 @@ class Capybara::RackTest::Node < Capybara::Driver::Node
     elsif input_field?
       set_input(value)
     elsif textarea?
-      native.content = value.to_s
+      native.content = value.to_s unless self[:readonly]
     end
   end
 
@@ -160,7 +160,7 @@ private
       end
       native.remove
     else
-      native['value'] = value.to_s
+      native['value'] = value.to_s unless self[:readonly]
     end
   end
 

lib/capybara/selenium/node.rb

@@ -37,7 +37,8 @@ class Capybara::Selenium::Node < Capybara::Driver::Node
       path_names = value.to_s.empty? ? [] : value
       native.send_keys(*path_names)
     elsif tag_name == 'textarea' or tag_name == 'input'
-      driver.browser.execute_script "arguments[0].value = ''", native
+      #script can change a readonly element which user input cannot, so dont execute if readonly
+      driver.browser.execute_script "arguments[0].value = ''", native unless self[:readonly]
       native.send_keys(value.to_s)
     end
   end

lib/capybara/spec/session/node_spec.rb

@@ -71,6 +71,18 @@ Capybara::SpecHelper.spec "node" do
       @session.first('//input').set('')
       @session.first('//input').value.should == ''
     end
+    
+    it "should not set if the text field is readonly" do
+      @session.first('//input[@readonly]').value.should == 'should not change'
+      @session.first('//input[@readonly]').set('changed')
+      @session.first('//input[@readonly]').value.should == 'should not change'
+    end
+    
+    it "should not set if the textarea is readonly" do
+      @session.first('//textarea[@readonly]').value.should == 'textarea should not change'
+      @session.first('//textarea[@readonly]').set('changed')
+      @session.first('//textarea[@readonly]').value.should == 'textarea should not change'
+    end      
   end
 
   describe "#tag_name" do

lib/capybara/spec/views/with_html.erb

@@ -28,11 +28,13 @@
 
 <p>
   <input type="text" id="test_field" value="monkey"/>
+  <input type="text" readonly="readonly" value="should not change" />
   <textarea id="normal">
 banana</textarea>
   <textarea id="additional_newline">
 
 banana</textarea>
+  <textarea readonly="readonly">textarea should not change</textarea>
   <a href="/redirect_back">BackToMyself</a>
   <a title="twas a fine link" href="/redirect">A link came first</a>
   <a title="a fine link" href="/with_simple_html">A link</a>