Implement `mkdir' task action

features/actions/mkdir.feature

@@ -0,0 +1,14 @@
+@sshd
+Feature: `mkdir' task action
+
+  Scenario: creates directory given as argument
+    Given a recipe with:
+      """
+      target 'some_host.test'
+
+      task :create_some_dir do
+        mkdir 'some_directory'
+      end
+      """
+    When I successfully execute the recipe
+    Then the remote directory "some_directory" must exists

features/steps/remote_steps.rb

@@ -6,6 +6,10 @@ Given /^a remote file named "([^"]+)"$/ do |file_name|
   write_file file_name, ''
 end
 
+Then /^the remote directory "([^"]+)" should exists$/ do |path|
+  check_directory_presence([path], true)
+end
+
 Then /^the remote file "([^"]+)" should contain "([^"]+)"/ do |path, content|
   check_file_content path, content, true
 end

lib/producer/core.rb

@@ -2,6 +2,7 @@
 require 'producer/core/action'
 require 'producer/core/actions/echo'
 require 'producer/core/actions/shell_command'
+require 'producer/core/actions/mkdir'
 require 'producer/core/actions/file_writer'
 
 # condition tests (need to be defined before the condition DSL)

lib/producer/core/actions/mkdir.rb

@@ -0,0 +1,15 @@
+module Producer
+  module Core
+    module Actions
+      class Mkdir < Action
+        def apply
+          fs.mkdir path
+        end
+
+        def path
+          arguments.first
+        end
+      end
+    end
+  end
+end

lib/producer/core/remote/fs.rb

@@ -26,6 +26,10 @@ module Producer
           false
         end
 
+        def mkdir(path)
+          sftp.mkdir! path
+        end
+
         def file_write(path, content)
           sftp.file.open path, 'w' do |f|
             f.write content

lib/producer/core/task/dsl.rb

@@ -13,6 +13,7 @@ module Producer
         define_action :echo,  Actions::Echo
         define_action :sh,    Actions::ShellCommand
 
+        define_action :mkdir,       Actions::Mkdir
         define_action :file_write,  Actions::FileWriter
 
         attr_reader :env, :block, :actions

spec/producer/core/actions/mkdir_spec.rb

@@ -0,0 +1,23 @@
+require 'spec_helper'
+
+module Producer::Core
+  describe Actions::Mkdir do
+    let(:env)       { Env.new }
+    let(:path)      { 'some_path' }
+    subject(:mkdir) { Actions::Mkdir.new(env, path) }
+
+    describe '#apply' do
+      it 'creates directory on remote filesystem' do
+        expect(mkdir.fs).to receive(:mkdir).with(path)
+        mkdir.apply
+      end
+    end
+
+    describe '#path' do
+      it 'returns the path' do
+        expect(mkdir.path).to eq path
+      end
+    end
+  end
+end
+

spec/producer/core/remote/fs_spec.rb

@@ -112,6 +112,18 @@ module Producer::Core
       end
     end
 
+    describe '#mkdir' do
+      let(:sftp)  { double 'sftp' }
+      let(:path)  { 'some_directory_path' }
+
+      before { allow(fs).to receive(:sftp) { sftp } }
+
+      it 'creates the directory' do
+        expect(sftp).to receive(:mkdir!).with(path)
+        fs.mkdir path
+      end
+    end
+
     describe '#file_write' do
       let(:sftp)    { double('sftp').as_null_object }
       let(:file)    { double('sftp').as_null_object }

spec/producer/core/task/dsl_spec.rb

@@ -6,7 +6,7 @@ module Producer::Core
     let(:env)     { Env.new }
     subject(:dsl) { Task::DSL.new(env, &block) }
 
-    %w[echo sh file_write].each do |action|
+    %w[echo sh mkdir file_write].each do |action|
       it "has `#{action}' action defined" do
         expect(dsl).to respond_to action.to_sym
       end