Merge commit 'mainstream/master'

Conflicts:
	actionpack/lib/action_controller/base.rb
	railties/guides/source/caching_with_rails.textile

1 files changed, 15 insertions, 0 deletions

diff --git a/actionpack/lib/action_controller/testing/performance.rb b/actionpack/lib/action_controller/testing/performance.rb
new file mode 100644
index 0000000000..d88180087d
--- /dev/null
+++ b/actionpack/lib/action_controller/testing/performance.rb
@@ -0,0 +1,15 @@
+require 'active_support/testing/performance'
+require 'active_support/testing/default'
+
+module ActionController
+  # An integration test that runs a code profiler on your test methods.
+  # Profiling output for combinations of each test method, measurement, and
+  # output format are written to your tmp/performance directory.
+  #
+  # By default, process_time is measured and both flat and graph_html output
+  # formats are written, so you'll have two output files per test method.
+  class PerformanceTest < ActionController::IntegrationTest
+    include ActiveSupport::Testing::Performance
+    include ActiveSupport::Testing::Default
+  end
+end