Add some deprecations for logic being removed in 4.0

actionpack/lib/action_controller/metal/compatibility.rb

@@ -1,3 +1,5 @@
+require 'active_support/deprecation'
+
 module ActionController
   module Compatibility
     extend ActiveSupport::Concern
@@ -24,13 +26,19 @@ class << self
       )
 
       def rescue_action(env)
+        ActiveSupport::Deprecation.warn "Calling `rescue_action` is deprecated and will be removed in Rails 4.0.", caller
         raise env["action_dispatch.rescue.exception"]
       end
     end
 
     # For old tests
-    def initialize_template_class(*) end
-    def assign_shortcuts(*) end
+    def initialize_template_class(*)
+      ActiveSupport::Deprecation.warn "Calling `initialize_template_class` is deprecated and has no effect anymore.", caller
+    end
+
+    def assign_shortcuts(*)
+      ActiveSupport::Deprecation.warn "Calling `assign_shortcuts` is deprecated and has no effect anymore.", caller
+    end
 
     def _normalize_options(options)
       options[:text] = nil if options.delete(:nothing) == true
@@ -44,6 +52,9 @@ def render_to_body(options)
     end
 
     def _handle_method_missing
+      ActiveSupport::Deprecation.warn "Using `method_missing` to handle non" \
+        " existing actions is deprecated and will be removed in Rails 4.0, " \
+        " please use `action_missing` instead.", caller
       method_missing(@_action_name.to_sym)
     end
 
@@ -52,6 +63,8 @@ def method_for_action(action_name)
     end
 
     def performed?
+      ActiveSupport::Deprecation.warn "Calling `performed?` is deprecated and will " \
+        "be removed in Rails 4.0. Please check for `response_body` presence instead.", caller
       response_body
     end
   end

actionpack/test/controller/base_test.rb

@@ -161,7 +161,9 @@ def test_process_should_be_precise
 
   def test_get_on_priv_should_show_selector
     use_controller MethodMissingController
-    get :shouldnt_be_called
+    assert_deprecated /Using `method_missing` to handle .* use `action_missing` instead/ do
+      get :shouldnt_be_called
+    end
     assert_response :success
     assert_equal 'shouldnt_be_called', @response.body
   end
@@ -170,14 +172,18 @@ def test_method_missing_is_not_an_action_name
     use_controller MethodMissingController
     assert !@controller.__send__(:action_method?, 'method_missing')
 
-    get :method_missing
+    assert_deprecated /Using `method_missing` to handle .* use `action_missing` instead/ do
+      get :method_missing
+    end
     assert_response :success
     assert_equal 'method_missing', @response.body
   end
 
   def test_method_missing_should_recieve_symbol
     use_controller AnotherMethodMissingController
-    get :some_action
+    assert_deprecated /Using `method_missing` to handle .* use `action_missing` instead/ do
+      get :some_action
+    end
     assert_kind_of NameError, @controller._exception
   end
 

actionpack/test/controller/caching_test.rb

@@ -686,8 +686,6 @@ def setup
     @controller.params = @params
     @controller.request = @request
     @controller.response = @response
-    @controller.send(:initialize_template_class, @response)
-    @controller.send(:assign_shortcuts, @request, @response)
   end
 
   def test_fragment_cache_key

actionpack/test/controller/render_test.rb

@@ -54,7 +54,7 @@ def conditional_hello
 
   def conditional_hello_with_record
     record = Struct.new(:updated_at, :cache_key).new(Time.now.utc.beginning_of_day, "foo/123")
-    
+
     if stale?(record)
       render :action => 'hello_world'
     end

actionpack/test/controller/view_paths_test.rb

@@ -22,16 +22,9 @@ def hello_world; render(:template => 'test/hello_world'); end
   end
 
   def setup
-    # TestController.view_paths = nil
-
     @request  = ActionController::TestRequest.new
     @response = ActionController::TestResponse.new
-
     @controller = TestController.new
-    # Following is needed in order to setup @controller.template object properly
-    @controller.send :assign_shortcuts, @request, @response
-    @controller.send :initialize_template_class, @response
-
     @paths = TestController.view_paths
   end