Gemfile in blacklight-4.7.0 vs Gemfile in blacklight-4.8.0

@@ -1,19 +1,54 @@
-source 'http://rubygems.org'
+source 'https://rubygems.org'
 
 # Please see blacklight.gemspec for dependency information.
 gemspec
 
 gem 'simplecov', :platform => :mri
 gem 'simplecov-rcov', :platform => :mri
+gem 'json', '~> 1.8'
 
 group :test do
   gem 'devise'
   gem 'devise-guests'
-  gem "bootstrap-sass"
+  gem 'bootstrap-sass'
   gem 'turbolinks'
   gem 'poltergeist'
 end
 
+# BEGIN ENGINE_CART BLOCK
+# engine_cart: 1.0.1
+# engine_cart stanza: 0.10.0
+# the below comes from engine_cart, a gem used to test this Rails engine gem in the context of a Rails app.
+file = File.expand_path('Gemfile', ENV['ENGINE_CART_DESTINATION'] || ENV['RAILS_ROOT'] || File.expand_path('.internal_test_app', File.dirname(__FILE__)))
+if File.exist?(file)
+  begin
+    eval_gemfile file
+  rescue Bundler::GemfileError => e
+    Bundler.ui.warn '[EngineCart] Skipping Rails application dependencies:'
+    Bundler.ui.warn e.message
+  end
+else
+  Bundler.ui.warn "[EngineCart] Unable to find test application dependencies in #{file}, using placeholder dependencies"
+  if ENV['RAILS_VERSION']
+    if ENV['RAILS_VERSION'] == 'edge'
+      gem 'rails', github: 'rails/rails'
+      ENV['ENGINE_CART_RAILS_OPTIONS'] = '--edge --skip-turbolinks'
+    else
+      gem 'rails', ENV['RAILS_VERSION']
+    end
+  end
+  case ENV['RAILS_VERSION']
+  when /^4.2/
+    gem 'responders', '~> 2.0'
+    gem 'sass-rails', '>= 5.0'
+    gem 'coffee-rails', '~> 4.1.0'
+  when /^4.[01]/
+    gem 'sass-rails', '< 5.0'
+  end
+end
+# END ENGINE_CART BLOCK
+
 if File.exists?('spec/test_app_templates/Gemfile.extra')
   eval File.read('spec/test_app_templates/Gemfile.extra'), nil, 'spec/test_app_templates/Gemfile.extra'
 end
+gem 'transpec'