Rakefile in howitzer-2.0.3 vs Rakefile in howitzer-2.1.0

@@ -13,10 +13,26 @@
 
 Cucumber::Rake::Task.new(:cucumber, 'Run all cucumber features') do |t|
   t.fork = false
 end
 
+RuboCop::RakeTask.new
+
 YARD::Rake::YardocTask.new { |_t| }
 
-RuboCop::RakeTask.new
+namespace :yard do
+  desc 'Validate yard coverage'
+  task :validate do
+    log = StringIO.new
+    YARD::Logger.instance(log)
+    doc = YARD::CLI::Yardoc.new
+    doc.use_document_file = false
+    doc.use_yardopts_file = false
+    doc.generate = false
+    doc.run('--list-undoc')
+    output = log.string
+    puts output
+    exit(1) unless output.include?('100.00% documented')
+  end
+end
 
-task default: %i[rubocop spec cucumber]
+task default: %i[rubocop yard:validate spec cucumber]