# frozen_string_literal: true

require 'fileutils'
require 'tempfile'
require 'pathname'

module PuppetlabsSpec
  # A support module for testing files.
  module Files
    # This code exists only to support tests that run as root, pretty much.
    # Once they have finally been eliminated this can all go... --daniel 2011-04-08
    def self.in_tmp(path)
      tempdir = Dir.tmpdir

      Pathname.new(path).ascend do |dir|
        return true if File.identical?(tempdir, dir)
      end

      false
    end

    def self.cleanup
      $global_tempfiles ||= []
      while (path = $global_tempfiles.pop)
        raise "Not deleting tmpfile #{path} outside regular tmpdir" unless in_tmp(path)

        begin
          FileUtils.rm_r path, secure: true
        rescue Errno::ENOENT
          # nothing to do
        end
      end
    end

    def make_absolute(path)
      path = File.expand_path(path)
      path[0] = 'c' if Puppet.features.microsoft_windows?
      path
    end

    def tmpfilename(name)
      # Generate a temporary file, just for the name...
      source = Tempfile.new(name)
      path = source.path
      source.close!

      # ...record it for cleanup,
      $global_tempfiles ||= []
      $global_tempfiles << File.expand_path(path)

      # ...and bam.
      path
    end

    def tmpdir(name)
      path = tmpfilename(name)
      FileUtils.mkdir_p(path)
      path
    end
  end
end