Fix diagnostics page for routing errors.

actionpack/CHANGELOG.md

@@ -68,9 +68,9 @@
           <%= f.text_field :version %>
         <% end %>
 
-*   Refactor ActionDispatch::ShowExceptions. Controller is responsible for choice to show exceptions. *Sergey Nartimov*
+*   Refactor ActionDispatch::ShowExceptions. Controller is responsible for choosing to show exceptions when `consider_all_requests_local` is false. *Sergey Nartimov*
 
-    It's possible to override +show_detailed_exceptions?+ in controllers to specify which requests should provide debugging information on errors.
+    It's possible to override `show_detailed_exceptions?` in controllers to specify which requests should provide debugging information on errors.
 
 *   Responders now return 204 No Content for API requests without a response body (as in the new scaffold) *José Valim*
 

actionpack/lib/action_controller/metal/rescue.rb

@@ -3,11 +3,6 @@ module Rescue
     extend ActiveSupport::Concern
     include ActiveSupport::Rescuable
 
-    included do
-      config_accessor :consider_all_requests_local
-      self.consider_all_requests_local = false if consider_all_requests_local.nil?
-    end
-
     def rescue_with_handler(exception)
       if (exception.respond_to?(:original_exception) &&
           (orig_exception = exception.original_exception) &&
@@ -18,14 +13,14 @@ def rescue_with_handler(exception)
     end
 
     def show_detailed_exceptions?
-      consider_all_requests_local || request.local?
+      request.local?
     end
 
     private
       def process_action(*args)
         super
       rescue Exception => exception
-        request.env['action_dispatch.show_detailed_exceptions'] = show_detailed_exceptions?
+        request.env['action_dispatch.show_detailed_exceptions'] ||= show_detailed_exceptions?
         rescue_with_handler(exception) || raise(exception)
       end
   end

actionpack/lib/action_controller/railtie.rb

@@ -21,8 +21,6 @@ class Railtie < Rails::Railtie
       paths   = app.config.paths
       options = app.config.action_controller
 
-      options.consider_all_requests_local ||= app.config.consider_all_requests_local
-
       options.assets_dir           ||= paths["public"].first
       options.javascripts_dir      ||= paths["public/javascripts"].first
       options.stylesheets_dir      ||= paths["public/stylesheets"].first

actionpack/test/controller/show_exceptions_test.rb

@@ -5,9 +5,17 @@ class ShowExceptionsController < ActionController::Base
     use ActionDispatch::ShowExceptions
     use ActionDispatch::DebugExceptions
 
+    before_filter :only => :another_boom do
+      request.env["action_dispatch.show_detailed_exceptions"] = true
+    end
+
     def boom
       raise 'boom!'
     end
+
+    def another_boom
+      raise 'boom!'
+    end
   end
 
   class ShowExceptionsTest < ActionDispatch::IntegrationTest
@@ -27,9 +35,8 @@ class ShowExceptionsTest < ActionDispatch::IntegrationTest
       end
     end
 
-    test 'show diagnostics from a remote ip when consider_all_requests_local is true' do
-      ShowExceptionsController.any_instance.stubs(:consider_all_requests_local).returns(true)
-      @app = ShowExceptionsController.action(:boom)
+    test 'show diagnostics from a remote ip when env is already set' do
+      @app = ShowExceptionsController.action(:another_boom)
       self.remote_addr = '208.77.188.166'
       get '/'
       assert_match(/boom/, body)

railties/lib/rails/application.rb

@@ -168,6 +168,7 @@ def env_config
         "action_dispatch.parameter_filter" => config.filter_parameters,
         "action_dispatch.secret_token" => config.secret_token,
         "action_dispatch.show_exceptions" => config.action_dispatch.show_exceptions,
+        "action_dispatch.show_detailed_exceptions" => config.consider_all_requests_local,
         "action_dispatch.logger" => Rails.logger,
         "action_dispatch.backtrace_cleaner" => Rails.backtrace_cleaner
       })

railties/test/application/middleware/exceptions_test.rb

@@ -45,7 +45,7 @@ def call(env)
       assert_equal 404, last_response.status
     end
 
-    test "unspecified route when set action_dispatch.show_exceptions to false" do
+    test "unspecified route when action_dispatch.show_exceptions is not set raises an exception" do
       app.config.action_dispatch.show_exceptions = false
 
       assert_raise(ActionController::RoutingError) do
@@ -53,11 +53,22 @@ def call(env)
       end
     end
 
-    test "unspecified route when set action_dispatch.show_exceptions to true" do
+    test "unspecified route when action_dispatch.show_exceptions is set shows 404" do
       app.config.action_dispatch.show_exceptions = true
 
       assert_nothing_raised(ActionController::RoutingError) do
         get '/foo'
+        assert_match "The page you were looking for doesn't exist.", last_response.body
+      end
+    end
+
+    test "unspecified route when action_dispatch.show_exceptions and consider_all_requests_local are set shows diagnostics" do
+      app.config.action_dispatch.show_exceptions = true
+      app.config.consider_all_requests_local = true
+
+      assert_nothing_raised(ActionController::RoutingError) do
+        get '/foo'
+        assert_match "No route matches", last_response.body
       end
     end