Fail when `mkdir' misses arguments

lib/producer/core/actions/mkdir.rb

@@ -3,6 +3,8 @@ module Producer
     module Actions
       class Mkdir < Action
         def setup
+          check_arguments_size! 1
+          @path = Pathname.new(arguments.first)
           @options[:permissions]  = @options.delete :mode if @options.key? :mode
           @options[:owner]        = @options.delete :user if @options.key? :user
         end
@@ -12,19 +14,12 @@ module Producer
         end
 
         def apply
-          path.descend do |p|
+          @path.descend do |p|
             next if fs.dir? p
             fs.mkdir p.to_s
             fs.setstat p.to_s, @options unless @options.empty?
           end
         end
-
-
-        private
-
-        def path
-          Pathname.new(arguments.first)
-        end
       end
     end
   end

spec/producer/core/actions/mkdir_spec.rb

@@ -5,8 +5,8 @@ module Producer::Core
     describe Mkdir, :env do
       let(:path)      { 'some_path' }
       let(:options)   { { } }
-      let(:arguments) { [path, options] }
-      subject(:mkdir) { described_class.new(env, *arguments) }
+      let(:arguments) { [path] }
+      subject(:mkdir) { described_class.new(env, *arguments, options) }
 
       it_behaves_like 'action'
 
@@ -20,6 +20,14 @@ module Producer::Core
         it 'translates user option as owner' do
           expect(mkdir.options[:owner]).to eq 'root'
         end
+
+        context 'when path is missing' do
+          let(:path) { nil }
+
+          it 'raises ArgumentError' do
+            expect { mkdir }.to raise_error ArgumentError
+          end
+        end
       end
 
       describe '#apply' do