Rakefile in dklet-0.1.1 vs Rakefile in dklet-0.1.2

@@ -2,5 +2,24 @@
 require "rspec/core/rake_task"
 
 RSpec::Core::RakeTask.new(:spec)
 
 task :default => :spec
+
+desc 'test dklet gem'
+task :test do
+  app_path = 'tmp/hidklet'
+  result = system <<~Desc
+    mkdir -p #{File.dirname(app_path)}
+    rm -f #{app_path}
+    mkdklet #{app_path}
+    #{app_path} help
+    #{app_path} # main task
+    #{app_path} clean --image
+  Desc
+
+  if result
+    puts 'everything ok' 
+  else
+    puts 'something wrong'
+  end
+end