ansible-roles/apt/tests/spec/main_spec.rb

require 'net/http'
require 'uri'

require 'serverspec'
set :backend, :exec

describe file("/etc/apt/sources.list.d/backports.list") do
  it { should be_file }
end

describe file("/etc/apt/preferences.d/0-backports-defaults") do
  it { should be_file }
end

describe command("grep 'main contrib non-free' /etc/apt/sources.list.d/backports.list") do
  its(:stdout) { should_not be_empty }
  its(:exit_status) { should eq 0 }
end

describe command("grep 'main contrib non-free' /etc/apt/sources.list") do
  its(:stdout) { should_not be_empty }
  its(:exit_status) { should eq 0 }
end