ci_reporter | popular test frameworks that allows you to generate XML | Unit Testing library

require 'bundler'

dependencies = Bundler::Definition.build('Gemfile','Gemfile.lock',nil).
     dependencies.each_with_object(Hash.new { |h,k| h[k] = [] }) do |dep,obj| 
       dep.groups.each do |g|
         obj[g] << {name: dep.name,
          required_version: dep.requirement.requirements.join,
          actual_version: dep.to_spec.version.to_s
          }
       end
end

{:default=>
  [{:name=>"rake", :required_version=>"=11.3.0", :actual_version=>"11.3.0"},
   {:name=>"rails", :required_version=>"=4.2.5.2", :actual_version=>"4.2.5.2"},
   {:name=>"arel", :required_version=>"=6.0.3", :actual_version=>"6.0.3"},
   {:name=>"activerecord",
    :required_version=>"~>4.2.0",
    :actual_version=>"4.2.8"},
   {:name=>"activerecord-sqlserver-adapter",
    :required_version=>"~>4.2.0",
    :actual_version=>"4.2.18"},
   {:name=>"tiny_tds", :required_version=>"~>0.7.0", :actual_version=>"0.7.0"}],
 :doc=>
  [{:name=>"sdoc", :required_version=>"~>0.4.0", :actual_version=>"0.4.2"}],
 :development=>
  [{:name=>"byebug", :required_version=>">=0", :actual_version=>"9.0.6"},
   {:name=>"web-console",
    :required_version=>"~>2.0",
    :actual_version=>"2.3.0"},
   {:name=>"capistrano",
    :required_version=>"=3.7.2",
    :actual_version=>"3.7.2"}],
 :test=>
  [{:name=>"byebug", :required_version=>">=0", :actual_version=>"9.0.6"}]}

  def dep_to_hash(dep)
    {name: dep.name,
      required_version: dep.requirement.requirements.join,
      actual_version: dep.to_spec.version.to_s,
      dependencies: dep.to_spec.dependencies.select {|d| d.type == :runtime}.each_with_object(Hash.new { |h,k| h[k] = [] }) do |dep2,obj|
        obj[dep2.type] << dep_to_hash(dep2)
      end
      }
  end


  deps = Bundler::Definition.build('Gemfile','Gemfile.lock',nil).
     dependencies.each_with_object(Hash.new { |h,k| h[k] = [] }) do |dep,obj| 
       dep.groups.each do |g|
         obj[g] << dep_to_hash(dep)
       end
  end

 {:default=>
  [{:name=>"rails",
    :required_version=>"=4.2.5.2",
    :actual_version=>"4.2.5.2",
    :dependencies=>
     {:runtime=>
       [{:name=>"activesupport",
         :required_version=>"=4.2.5.2",
         :actual_version=>"4.2.5.2",
         :dependencies=>
          {:runtime=>
            [{:name=>"i18n",
              :required_version=>"~>0.7",
              :actual_version=>"0.8.1",
              :dependencies=>{}},
             {:name=>"json",
              :required_version=>">=1.7.7~>1.7",
              :actual_version=>"1.8.6",
              :dependencies=>{}},

    require 'bundler'
    def add_to_dep(dep,top_level)
      deps = dep.to_spec.dependencies.select {|d| d.type == :runtime}
      deps.each do |dep|
        add_to_dep(dep,top_level) 
      end
      # handle existing dependencies by using highest version
      exists = top_level.grep(/#{dep.name}/)[0]
      if exists
        version = exists.split(',').last
        new_version = dep.to_spec.version.to_s
        if new_version > version
          top_level.delete_at(top_level.index(exists))
          top_level << "#{dep.name}, #{dep.to_spec.version}" 
        end
      else
        top_level << "#{dep.name}, #{dep.to_spec.version}"
      end  
    end


    deps = Bundler::Definition.build('Gemfile','Gemfile.lock',nil).
       dependencies.each_with_object(Hash.new { |h,k| h[k] = [] }) do |dep,obj| 
         dep.groups.each do |g|
           add_to_dep(dep,obj[g])
         end
    end.each {|_k,v| v.sort!}

{:default=>
  ["actionmailer, 4.2.5.2",
   "actionpack, 4.2.8",
   "actionview, 4.2.8",
   "activejob, 4.2.5.2",
   "activemodel, 4.2.8",
   "activerecord, 4.2.8",
   "activerecord-sqlserver-adapter, 4.2.18",
   "activesupport, 4.2.8",
   "arel, 6.0.4",
   "axlsx, 2.0.1",
   "builder, 3.2.3",
   "bundler, 1.14.6",
   "coffee-rails, 4.1.1",
   "coffee-script, 2.4.1",
   "coffee-script-source, 1.12.2",
   "concurrent-ruby, 1.0.5",
   "erubis, 2.7.0",
   "execjs, 2.7.0",
   "globalid, 0.4.0",
   "hash-deep-merge, 0.1.1",
   "htmlentities, 4.3.4",
   "i18n, 0.8.1",
   "jbuilder, 2.6.2",
   "jquery-rails, 4.2.2",
   "jquery-ui-rails, 6.0.1",
   "json, 1.8.6",
   "lazy_high_charts, 1.5.6",
   "loofah, 2.0.3",
   "mail, 2.6.5",
   "mime-types, 3.1",
   "mime-types-data, 3.2016.0521",