Merge commit 'rails/3-0-unstable'

Conflicts:

	actionpack/lib/action_controller/base.rb
	actionpack/lib/action_dispatch/http/mime_type.rb
	actionpack/lib/action_dispatch/http/request.rb
	actionpack/lib/action_view/base.rb
	actionpack/lib/action_view/paths.rb
	actionpack/test/controller/session/cookie_store_test.rb
	actionpack/test/dispatch/rack_test.rb
	actionpack/test/dispatch/request_test.rb

1 files changed, 21 insertions, 0 deletions

diff --git a/actionpack/lib/action_controller/testing/assertions/model.rb b/actionpack/lib/action_controller/testing/assertions/model.rb
new file mode 100644
index 0000000000..3a7b39b106
--- /dev/null
+++ b/actionpack/lib/action_controller/testing/assertions/model.rb
@@ -0,0 +1,21 @@
+module ActionController
+  module Assertions
+    module ModelAssertions
+      # Ensures that the passed record is valid by Active Record standards and
+      # returns any error messages if it is not.
+      #
+      # ==== Examples
+      #
+      #   # assert that a newly created record is valid
+      #   model = Model.new
+      #   assert_valid(model)
+      #
+      def assert_valid(record)
+        ::ActiveSupport::Deprecation.warn("assert_valid is deprecated. Use assert record.valid? instead", caller)
+        clean_backtrace do
+          assert record.valid?, record.errors.full_messages.join("\n")
+        end
+      end
+    end
+  end
+end