spec/ruby/core/process/initgroups_spec.rb


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require_relative '../../spec_helper'

describe "Process.initgroups" do
  platform_is_not :windows, :android do
    as_user do
      it "initializes the supplemental group access list" do
        name = `id -un`.strip
        groups = Process.groups
        gid = groups.max.to_i + 1
        augmented_groups = `id -G`.scan(/\d+/).map {|i| i.to_i} << gid
        if Process.uid == 0
          Process.groups = []
          Process.initgroups(name, gid).sort.should == augmented_groups.sort
          Process.groups.sort.should == augmented_groups.sort
          Process.groups = groups
        else
          -> { Process.initgroups(name, gid) }.should raise_error(Errno::EPERM)
        end
      end
    end
  end
end