Railtie test

test/railtie_test.rb

@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+require 'test_helper'
+
+class RailtieTest < Test::Unit::TestCase
+  should "load processors" do
+    FileUtils.mkdir_p('tmp/rails/lib/paperclip_processors')
+    File.write(Rails.root.join('lib/paperclip_processors/some_custom_processor.rb'), <<~RUBY)
+      class Paperclip::SomeCustomProcessor < Paperclip::Processor
+      end
+    RUBY
+    Paperclip::Railtie.initializers.each(&:run)
+    assert defined?(Paperclip::SomeCustomProcessor)
+  end
+
+  should "load rake tasks" do
+    require 'rake'
+    require 'rake/testtask'
+
+    Rails.application.load_tasks
+    assert_equal Rake::Task, Rake.application["paperclip:refresh:thumbnails"].class
+  end
+end

test/test_helper.rb

@@ -30,6 +30,7 @@ if ENV['COVERAGE']
     add_group "Libraries", "lib/"
 
     track_files "{lib}/**/*.rb"
+    add_filter "lib/tasks/paperclip_tasks.rake" # TODO: вообще по-хорошема надо и его покрыть
   end
 end