class RSpec::Core::Bisect::Server

def self.run
  server = new
  server.start
  yield server
ensure
  server.stop
end

def capture_run_results(files_or_directories_to_run=[], expected_failures=[])
  self.expected_failures  = expected_failures
  self.files_or_directories_to_run = files_or_directories_to_run
  self.latest_run_results = nil
  run_output = yield
  if latest_run_results.nil? || latest_run_results.all_example_ids.empty?
    raise_bisect_failed(run_output)
  end
  latest_run_results
end

def drb_port
  @drb_port ||= Integer(@drb.uri[/\d+$/])
end

def raise_bisect_failed(run_output)
  raise BisectFailedError, "Failed to get results from the spec " \
        "run. Spec run output:\n\n#{run_output}"
end

def start
  # Only allow remote DRb requests from this machine.
  DRb.install_acl ACL.new(%w[ deny all allow localhost allow 127.0.0.1 ])
  # We pass `nil` as the first arg to allow it to pick a DRb port.
  @drb = DRb.start_service(nil, self)
end

def stop
  @drb.stop_service
end