[Rebased] Disable display of detailed exceptions

features/allow_rescue.feature

@@ -23,20 +23,24 @@ Feature: Allow Cucumber to rescue exceptions
       Feature: posts
         @allow-rescue
         Scenario: See posts
-          When I look at the posts
+        When I look at the posts
+        Then I should see the public error page
       """
     And I write to "features/step_definitions/posts_steps.rb" with:
       """
       When /^I look at the posts$/ do
         visit '/posts'
       end
+      Then /^I should see the public error page$/ do
+        expect(page).to have_content "We're sorry, but something went wrong."
+      end
       """
     And I run `bundle exec rake db:migrate`
     And I run `bundle exec cucumber`
     Then the feature run should pass with:
       """
       1 scenario (1 passed)
-      1 step (1 passed)
+      2 steps (2 passed)
       """
 
   Scenario: Don't allow rescue

lib/cucumber/rails/action_controller.rb

@@ -7,6 +7,7 @@ class ActionDispatch::ShowExceptions
 
   def call(env)
     env['action_dispatch.show_exceptions'] = !!ActionController::Base.allow_rescue
+    env['action_dispatch.show_detailed_exceptions'] = !ActionController::Base.allow_rescue
     __cucumber_orig_call__(env)
   end
 end