Moved test to shared_example_for in driver, included test both for rack_test and selenium

lib/capybara/rack_test/browser.rb

@@ -126,5 +126,4 @@ protected
     env
   end
 
-
 end

lib/capybara/spec/driver.rb

@@ -295,3 +295,11 @@ shared_examples_for "driver with infinite redirect detection" do
     end.should raise_error(Capybara::InfiniteRedirectError)
   end
 end
+
+shared_examples_for "driver with referer support" do
+  it "should preserve the original referer URL when following a redirect" do
+    @driver.visit('/referer_base')
+    @driver.find('//a[@href="redirect_and_keep_referer"]').first.click
+    @driver.body.should include('referer_base')
+  end
+end

lib/capybara/spec/test_app.rb

@@ -23,15 +23,15 @@ class TestApp < Sinatra::Base
   end
 
   get '/referer_base' do
-    'Referer base <a href="redirect_and_keep_referer">Link that will redirect</a>'
+    'Referer base: <a href="redirect_and_keep_referer">Link that will redirect</a>'
   end
 
   get '/redirect_and_keep_referer' do
-    redirect '/check_referer'
+    redirect '/get_referer'
   end
 
-  get '/check_referer' do
+  get '/get_referer' do
-    'Check referer'
+    'Got referer: ' + request.referer
   end
 
   get '/host' do

spec/driver/rack_test_driver_spec.rb

@@ -30,6 +30,7 @@ describe Capybara::RackTest::Driver do
   it_should_behave_like "driver with status code support"
   it_should_behave_like "driver with cookies support"
   it_should_behave_like "driver with infinite redirect detection"
+  it_should_behave_like "driver with referer support"
 
   describe '#reset!' do
     it { @driver.visit('/foo'); lambda { @driver.reset! }.should change(@driver, :current_url).to('') }
@@ -86,14 +87,4 @@ describe Capybara::RackTest::Driver do
       @driver.body.should include('foobar')
     end
   end
-
-  describe "keeping referer on redirect" do
-    it "should not update HTTP_REFERER on redirects" do
-      @driver.visit('/referer_base')
-      @driver.visit('/redirect_and_keep_referer')
-      @driver.body.should include('Check referer')
-      @driver.request.referer.should =~ /referer_base/
-    end
-
-  end
 end

spec/driver/selenium_driver_spec.rb

@@ -13,6 +13,7 @@ describe Capybara::Selenium::Driver do
   it_should_behave_like "driver with support for window switching"
   it_should_behave_like "driver without status code support"
   it_should_behave_like "driver with cookies support"
+  it_should_behave_like "driver with referer support"
 
   unless Config::CONFIG['host_os'] =~ /mswin|mingw/
     it "should not interfere with forking child processes" do