xref/ontohub/.simplecov

APP_ROOT = Pathname.new(File.expand_path('..', __FILE__)).expand_path

class AppRootFilter < SimpleCov::Filter
  def matches?(source_file)
    source_file.filename.sub(/^#{excluded_path.to_s}.*/, '').empty?
  end

  def excluded_path
    APP_ROOT.join(filter_argument).expand_path
  end
end

def app_root
  Pathname.new(File.expand_path('../../', __FILE__))
end

def gemset_definition_file
  rbenv = app_root.join('.rbenv-gemsets')
  rbenv if rbenv.exist?
end

def gemsets
  file = gemset_definition_file
  if File.exist? file.to_s
    file.readlines.map(&:strip).select { |line| !line.empty? }
  else
    []
  end
end

if ENV['COVERAGE']
  SimpleCov.start do
    add_group "Controllers", "app/controllers"
    add_group "FakeRecords", "app/fake_records"
    add_group "Helpers",     "app/helpers"
    add_group "Models",      "app/models"
    add_group "Serializers", "app/serializers"
    add_group "ViewHelpers", "app/viewhelpers"
    add_group "Lib",         "lib"

    add_filter AppRootFilter.new('config/')
    add_filter AppRootFilter.new('spec/')
    add_filter AppRootFilter.new('test/')

    gemsets.each do |gemset|
      add_filter AppRootFilter.new("#{gemset}/")
    end

    # Set timeout for merging coverage results to 30 minutes
    merge_timeout(30 * 60)
  end
end