* Fix test/unit tests

* Add bundler

.gitignore

@@ -3,3 +3,5 @@ pkg
 Gemfile.lock
 .rbenv-version
 docs
+pkg
+fakefs.gemspec

Gemfile.lock

@@ -0,0 +1,37 @@
+GEM
+  remote: http://rubygems.org/
+  specs:
+    diff-lcs (1.1.3)
+    git (1.2.5)
+    jeweler (1.8.4)
+      bundler (~> 1.0)
+      git (>= 1.2.5)
+      rake
+      rdoc
+    json (1.7.5)
+    rake (10.0.0)
+    rdiscount (1.6.8)
+    rdoc (3.12)
+      json (~> 1.4)
+    rspec (2.12.0)
+      rspec-core (~> 2.12.0)
+      rspec-expectations (~> 2.12.0)
+      rspec-mocks (~> 2.12.0)
+    rspec-core (2.12.0)
+    rspec-expectations (2.12.0)
+      diff-lcs (~> 1.1.3)
+    rspec-mocks (2.12.0)
+    sdoc (0.3.19)
+      json (>= 1.1.3)
+      rdoc (~> 3.10)
+    sdoc-helpers (0.1.4)
+      sdoc (~> 0.2)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  jeweler
+  rdiscount
+  rspec
+  sdoc-helpers

Rakefile

@@ -1,16 +1,25 @@
 $LOAD_PATH.unshift File.join(File.dirname(__FILE__))
 $LOAD_PATH.unshift File.join(File.dirname(__FILE__), 'test')
 
-desc "Run tests"
-task :test do
-  Dir['test/**/*_test.rb'].each { |file| require file }
+require "bundler/setup"
+
+require 'rake/testtask'
+
+Rake::TestTask.new do |t|
+  t.libs << "test"
+  t.test_files = FileList['test/**/*test.rb']
+  t.verbose = true
 end
 
-task :default => [:test, :spec]
+begin
+  require 'rspec/core/rake_task'
+  desc "Run specs"
+  RSpec::Core::RakeTask.new
+rescue LoadError
+  puts "Spec task can't be loaded. `gem install rspec`"
+end
 
-require 'rspec/core/rake_task'
-desc "Run specs"
-RSpec::Core::RakeTask.new
+task :default => [:test, :spec]
 
 begin
   require 'jeweler'