Bring back config.action_view.cache_template_loading [#5847 state:resolved]

3 files changed, 25 insertions, 4 deletions

diff --git a/actionpack/lib/action_view/base.rb b/actionpack/lib/action_view/base.rb
index 15944138f7..92ff3380b0 100644
--- a/actionpack/lib/action_view/base.rb
+++ b/actionpack/lib/action_view/base.rb
@@ -172,6 +172,14 @@ module ActionView #:nodoc:
     class << self
       delegate :erb_trim_mode=, :to => 'ActionView::Template::Handlers::ERB'
       delegate :logger, :to => 'ActionController::Base', :allow_nil => true
+
+      def cache_template_loading
+        ActionView::Resolver.caching?
+      end
+
+      def cache_template_loading=(value)
+        ActionView::Resolver.caching = value
+      end
     end
 
     attr_accessor :_template
diff --git a/actionpack/lib/action_view/railtie.rb b/actionpack/lib/action_view/railtie.rb
index 71cd1a788a..501ec07b09 100644
--- a/actionpack/lib/action_view/railtie.rb
+++ b/actionpack/lib/action_view/railtie.rb
@@ -35,5 +35,13 @@ module ActionView
         end
       end
     end
+
+    initializer "action_view.caching" do |app|
+      ActiveSupport.on_load(:action_view) do
+        if app.config.action_view.cache_template_loading.nil?
+          ActionView::Resolver.caching = app.config.cache_classes
+        end
+      end
+    end
   end
-end
\ No newline at end of file
+end
diff --git a/actionpack/lib/action_view/template/resolver.rb b/actionpack/lib/action_view/template/resolver.rb
index a17454da28..0dccc99d14 100644
--- a/actionpack/lib/action_view/template/resolver.rb
+++ b/actionpack/lib/action_view/template/resolver.rb
@@ -5,6 +5,13 @@ require "action_view/template"
 module ActionView
   # = Action View Resolver
   class Resolver
+    cattr_accessor :caching
+    self.caching = true
+
+    class << self
+      alias :caching? :caching
+    end
+
     def initialize
       @cached = Hash.new { |h1,k1| h1[k1] = Hash.new { |h2,k2|
         h2[k2] = Hash.new { |h3,k3| h3[k3] = Hash.new { |h4,k4| h4[k4] = {} } } } }
@@ -23,9 +30,7 @@ module ActionView
 
   private
 
-    def caching?
-      @caching ||= !defined?(Rails.application) || Rails.application.config.cache_classes
-    end
+    delegate :caching?, :to => "self.class"
 
     # This is what child classes implement. No defaults are needed
     # because Resolver guarantees that the arguments are present and