Implemented Node#click

lib/capybara/driver/webkit/node.rb

@@ -25,7 +25,7 @@ class Capybara::Driver::Webkit
     end
 
     def click
-      raise NotImplementedError
+      invoke "click"
     end
 
     def drag_to(element)

spec/driver_spec.rb

@@ -9,6 +9,7 @@ describe Capybara::Driver::Webkit do
           <script type="text/javascript">
             document.write("<p id='greeting'>he" + "llo</p>");
           </script>
+          <a href="/next">Next</a>
         </body></html>
       HTML
       [200,
@@ -58,6 +59,7 @@ describe Capybara::Driver::Webkit do
           <script type="text/javascript">
             document.write("<p id='greeting'>he" + "llo</p>");
           </script><p id="greeting">hello</p>
+          <a href="/next">Next</a>
         
 </body></html>}
   end
@@ -126,6 +128,11 @@ describe Capybara::Driver::Webkit do
       to raise_error(Capybara::Driver::Webkit::WebkitError)
   end
 
+  it "clicks an element" do
+    subject.find("//a").first.click
+    subject.current_url =~ %r{/next$}
+  end
+
   it "returns a node's tag name" do
     subject.find("//p").first.tag_name.should == "p"
   end

src/capybara.js

@@ -28,6 +28,12 @@ Capybara = {
 
   tagName: function(index) {
     return this.nodes[index].tagName.toLowerCase();
+  },
+
+  click: function (index) {
+    var clickEvent = document.createEvent('MouseEvents');
+    clickEvent.initMouseEvent('click', true, true, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);
+    this.nodes[index].dispatchEvent(clickEvent);
   }
 };