Extracting ruby gem

Extracting ruby gem

• 1.
  Yura Tolstik Ruby/Rails developerat Altoros Development t witter: @yltsrc email: yltsrc@gmail.com
• 2.
  Extracting ruby gem Why? Reusable code Easy to install Easy to share
• 3.
  Lets start Findcode duplications Write tests if not exists Ready?
• 4.
  How to create creating a gem specification file (mygem.gemspec) bundle gem mygem and do all things by hand...
• 5.
  By hand?
• 6.
  mygem.gemspec Gem::Specification.new do |s| s.name = "mygem" s.version = Mygem::VERSION s.authors = ["Yura Tolstik"] s.email = ["yltsrc@gmail.com"] s.homepage = "http://github.com/yltsrc/mygem" s.summary = %q{My first gem} s.description = %q{Create ruby gem step by step with bundler} s.license = "MIT" s.files = `git ls-files`.split("n") s.test_files = `git ls-files -- spec/*`.split("n") s.require_paths = ["lib"] s.add_development_dependency "rake" s.add_development_dependency "rspec" end
• 7.
  spec_helper.rb $LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'lib')) $LOAD_PATH.unshift(File.dirname(__FILE__)) require'rspec' require 'newgem' RSpec.configure do |config| # if needed end
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  Extract tests describe "Mygem"do describe "#hello" do it "should return 'Hello world!'" do @base = "" @base.extend(Mygem::Base) @base.hello.should eql("Hello world!") end end end
• 9.
  Extract methods module Mygem module Base def hello "Hello #{self.empty? ? 'world' : self}!" end end end
• 10.
  Rakefile require "bundler/gem_tasks" require 'rspec/core' require'rspec/core/rake_task' RSpec::Core::RakeTask.new(:spec) do |spec| spec.pattern = FileList['spec/**/*_spec.rb'] end task :default => :spec
• 11.
  Test rake spec
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  Build rake build or gem build mygem.gemspec
• 13.
  Publish rake release or gem push mygem-0.0.1.gem
• 14.
  My own gemserver gem help generate_index gem help server
• 15.
  Questions http://gembundler.com/rubygems.html http://docs.rubygems.org/read/chapter/20