give access to articles from all pages, through @articles var

lib/toto.rb

@@ -112,14 +112,22 @@ def http code
     end
 
     def articles
-      Dir["#{Paths[:articles]}/*.#{self[:ext]}"]
+      self.class.articles self[:ext]
+    end
+
+    def self.articles ext
+      Dir["#{Paths[:articles]}/*.#{ext}"]
     end
 
     class Context
       include Template
 
       def initialize ctx = {}, config = {}, path = "/"
         @config, @ctx, @path = config, ctx, path
+        @articles = Site.articles(@config[:ext]).reverse.map do |a|
+          Article.new(File.new(a), @config)
+        end
+
         ctx.each do |k, v|
           meta_def(k) { ctx.instance_of?(Hash) ? v : ctx.send(k) }
         end

test/templates/about.rhtml

@@ -0,0 +1 @@
+<span id="count"><%= @articles.length %></span>

test/toto_test.rb

@@ -33,6 +33,7 @@
     setup { @toto.get('/about') }
     asserts("returns a 200")                { topic.status }.equals 200
     asserts("body is not empty")            { not topic.body.empty? }
+    should("have access to @articles")      { topic.body }.includes_html("#count" => /5/)
   end
 
   context "GET a single article" do