will create output directory if doesn't exist

lib/git_stats/generator.rb

@@ -5,7 +5,7 @@ module GitStats
     delegate :render_all, to: :@view
 
     def initialize(repo_path, out_path)
-      validate_paths(repo_path, out_path)
+      validate_repo_path(repo_path)
 
       @repo = GitData::Repo.new(path: repo_path)
       view_data = StatsView::ViewData.new(@repo)
@@ -15,18 +15,12 @@ module GitStats
     end
 
     private
-    def validate_paths(repo_path, out_path)
+
-      validate_repo_path(repo_path)
-      validate_out_path(out_path)
-    end
 
     def validate_repo_path(repo_path)
       raise ArgumentError, "#{repo_path} is not a git repository" unless Dir.exists?("#{repo_path}/.git")
     end
 
-    def validate_out_path(out_path)
-      raise ArgumentError, "#{out_path} is not a directory" unless Dir.exists?(out_path)
-    end
   end
 
 end

lib/git_stats/stats_view/view.rb

@@ -60,9 +60,14 @@ module GitStats
       end
 
       def prepare_static_content
+        create_out_dir
         FileUtils.cp_r(Dir["../../../../templates/static/*".absolute_path], @out_path)
       end
 
+      def create_out_dir
+        FileUtils.mkdir_p(@out_path) unless Dir.exists?(@out_path)
+      end
+
       def prepare_assets
         FileUtils.cp_r('../../../../templates/assets'.absolute_path, @out_path)
       end

spec/git_data/generator_spec.rb

@@ -13,11 +13,6 @@ describe GitStats::Generator do
     expect { generator }.to raise_error(ArgumentError)
   end
 
-  it "should raise exception if given out directory doesn't exist" do
-    Dir.should_receive(:exists?).with(out_path).and_return(false)
-    expect { generator }.to raise_error(ArgumentError)
-  end
-
   it 'should pass command observer to repo' do
     repo = double('repo')
     GitStats::GitData::Repo.should_receive(:new).with(path: repo_path).and_return(repo)