2 files changed, 22 insertions, 2 deletions
diff --git a/railties/test/application/initializers/load_path_test.rb b/railties/test/application/initializers/load_path_test.rb
index b39b9ecaae..d31915e129 100644
--- a/railties/test/application/initializers/load_path_test.rb
+++ b/railties/test/application/initializers/load_path_test.rb
@@ -19,6 +19,23 @@ module ApplicationTests
       assert $:.include?("#{app_path}/app/models")
     end
 
+    test "initializing an application adds lib path on inheritance hook" do
+      app_file "lib/foo.rb", <<-RUBY
+        module Foo; end
+      RUBY
+
+      add_to_config <<-RUBY
+        require "foo"
+        raise "Expected Foo to be defined" unless defined?(Foo)
+      RUBY
+
+      assert_nothing_raised do
+        require "#{app_path}/config/environment"
+      end
+
+      assert $:.include?("#{app_path}/lib")
+    end
+
     test "initializing an application eager load any path under app" do
       app_file "app/anything/foo.rb", <<-RUBY
         module Foo; end
diff --git a/railties/test/generators/generators_test_helper.rb b/railties/test/generators/generators_test_helper.rb
index d8bdb344f2..4a5a9b2932 100644
--- a/railties/test/generators/generators_test_helper.rb
+++ b/railties/test/generators/generators_test_helper.rb
@@ -1,4 +1,6 @@
 require 'abstract_unit'
+require 'rails/generators'
+require 'rails/generators/test_case'
 
 module Rails
   def self.root
@@ -8,8 +10,9 @@ end
 Rails.application.config.root = Rails.root
 Rails.application.config.generators.templates = [File.join(Rails.root, "lib", "templates")]
 
-require 'rails/generators'
-require 'rails/generators/test_case'
+# Call configure to load the settings from
+# Rails.application.config.generators to Rails::Generators
+Rails::Generators.configure!
 
 require 'active_record'
 require 'action_dispatch'