Rakefile in devinstall-1.2.1 vs Rakefile in devinstall-1.2.2

@@ -1,15 +1,30 @@
-require "bundler/gem_tasks"
+require 'bundler/gem_tasks'
+require 'rspec/core/rake_task'
+
+desc 'Run all examples'
+RSpec::Core::RakeTask.new(:spec) do |t|
+  t.pattern = './spec/spec_helper.rb'
+  t.rspec_opts = %w{--colour --format documentation}
+end
+
+desc 'Run tests with SimpleCov'
+task :coverage do
+  require 'simplecov'
+  require 'simplecov-gem-adapter'
+  SimpleCov.start 'gem'
+  Rake::Task[:spec].execute
+end