class ChefSpec::Coverage::BerkshelfFilter

def initialize(berksfile)
  @berksfile = berksfile
  @metadatas = if berksfile.respond_to?(:dependencies)
                 berksfile.dependencies
                   .select(&:metadata?)
                   .map(&:name)
               else
                 berksfile.sources.collect do |source|
                   location = source.location
                   if location.respond_to?(:metadata?) && location.metadata?
                     source
                   else
                     nil
                   end
                 end.compact.map(&:name)
               end
end

def matches?(resource)
  return true if resource.source_line.nil?
  normalized_source_line = resource.source_line.gsub("\\", "/")
  normalized_source_line =~ %r{cookbooks/(?!#{@metadatas.join('|')})}
end