Rakefile in cos-0.1.0 vs Rakefile in cos-0.1.1

@@ -1,10 +1,27 @@
-require "bundler/gem_tasks"
-require "rake/testtask"
+#!/usr/bin/env rake
 
-Rake::TestTask.new(:test) do |t|
-  t.libs << "test"
-  t.libs << "lib"
-  t.test_files = FileList['test/**/*_test.rb']
+require 'bundler'
+require 'bundler/gem_tasks'
+require 'rspec/core/rake_task'
+
+# Rspec 单元测试
+RSpec::Core::RakeTask.new(:spec) do
+  Bundler.setup(:default, :test)
+end
+
+# 运行示例
+task :example do
+  FileList['example/**/*.rb'].each do |f|
+    puts "==== Run example: #{f} ===="
+    ruby f
+  end
+end
+
+require 'rake/testtask'
+
+# 集成测试
+Rake::TestTask.new do |t|
+  t.pattern = 'test/**/*_test.rb'
 end
 
 task :default => :spec