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File Manager

Path: /opt/chef.upgrade/embedded/lib/ruby/gems/2.3.0/gems/rake-10.4.2/test/

Viewing File: test_rake_file_task.rb

require File.expand_path('../helper', __FILE__)
require 'fileutils'
require 'pathname'

class TestRakeFileTask < Rake::TestCase
  include Rake

  def setup
    super

    Task.clear
    @runs = Array.new
    FileUtils.rm_f NEWFILE
    FileUtils.rm_f OLDFILE
  end

  def test_file_need
    name = "dummy"
    file name

    ftask = Task[name]

    assert_equal name.to_s, ftask.name
    File.delete(ftask.name) rescue nil

    assert ftask.needed?, "file should be needed"
    assert_equal Rake::LATE, ftask.timestamp

    open(ftask.name, "w") { |f| f.puts "HI" }

    assert_equal nil, ftask.prerequisites.map { |n| Task[n].timestamp }.max
    assert ! ftask.needed?, "file should not be needed"
  ensure
    File.delete(ftask.name) rescue nil
  end

  def test_file_times_new_depends_on_old
    create_timed_files(OLDFILE, NEWFILE)

    t1 = Rake.application.intern(FileTask, NEWFILE).enhance([OLDFILE])
    t2 = Rake.application.intern(FileTask, OLDFILE)
    assert ! t2.needed?, "Should not need to build old file"
    assert ! t1.needed?, "Should not need to rebuild new file because of old"
  end

  def test_file_times_new_depend_on_regular_task_timestamps
    load_phony

    name = "dummy"
    task name

    create_timed_files(NEWFILE)

    t1 = Rake.application.intern(FileTask, NEWFILE).enhance([name])

    assert t1.needed?, "depending on non-file task uses Time.now"

    task(name => :phony)

    assert t1.needed?, "unless the non-file task has a timestamp"
  end

  def test_file_times_old_depends_on_new
    create_timed_files(OLDFILE, NEWFILE)

    t1 = Rake.application.intern(FileTask, OLDFILE).enhance([NEWFILE])
    t2 = Rake.application.intern(FileTask, NEWFILE)
    assert ! t2.needed?, "Should not need to build new file"
    preq_stamp = t1.prerequisites.map { |t| Task[t].timestamp }.max
    assert_equal t2.timestamp, preq_stamp
    assert t1.timestamp < preq_stamp, "T1 should be older"
    assert t1.needed?, "Should need to rebuild old file because of new"
  end

  def test_file_depends_on_task_depend_on_file
    create_timed_files(OLDFILE, NEWFILE)

    file NEWFILE => [:obj] do |t| @runs << t.name end
    task :obj => [OLDFILE] do |t| @runs << t.name end
    file OLDFILE           do |t| @runs << t.name end

    Task[:obj].invoke
    Task[NEWFILE].invoke
    assert @runs.include?(NEWFILE)
  end

  def test_existing_file_depends_on_non_existing_file
    create_file(OLDFILE)
    delete_file(NEWFILE)
    file NEWFILE            do |t| @runs << t.name end
    file OLDFILE => NEWFILE do |t| @runs << t.name end

    Task[OLDFILE].invoke

    assert_equal [NEWFILE, OLDFILE], @runs
  end

  def test_needed_eh_build_all
    create_file 'a'

    file 'a'

    a_task = Task['a']

    refute a_task.needed?

    Rake.application.options.build_all = true

    assert a_task.needed?
  ensure
    delete_file 'a'
  end

  def test_needed_eh_dependency
    create_file 'a', Time.now
    create_file 'b', Time.now - 60

    create_file 'c', Time.now
    create_file 'd', Time.now - 60

    file 'b' => 'a'

    b_task = Task['b']

    assert b_task.needed?

    file 'c' => 'd'

    c_task = Task['c']

    refute c_task.needed?
  ensure
    delete_file 'old'
    delete_file 'new'
  end

  def test_needed_eh_exists
    name = "dummy"
    file name

    ftask = Task[name]

    assert ftask.needed?

    create_file name

    refute ftask.needed?
  ensure
    delete_file name
  end

  def test_source_is_first_prerequisite
    t = file :f => ["preqA", "preqB"]
    assert_equal "preqA", t.source
  end

  def test_sources_is_all_prerequisites
    t = file :f => ["preqA", "preqB"]
    assert_equal ["preqA", "preqB"], t.sources
  end

  def test_task_can_be_pathname
      name = "dummy"
      file Pathname.new name

      ftask = Task[name]

      assert_equal name.to_s, ftask.name
  end

  def test_prerequisite_can_be_pathname
    t = file :f => Pathname.new("preq")
    assert_equal "preq", t.source
  end

  # I have currently disabled this test.  I'm not convinced that
  # deleting the file target on failure is always the proper thing to
  # do.  I'm willing to hear input on this topic.
  def ztest_file_deletes_on_failure
    task :obj
    file NEWFILE => [:obj] do |t|
      FileUtils.touch NEWFILE
      fail "Ooops"
    end
    assert Task[NEWFILE]
    begin
      Task[NEWFILE].invoke
    rescue Exception
    end
    assert(! File.exist?(NEWFILE), "NEWFILE should be deleted")
  end

  def load_phony
    load File.join(@rake_lib, "rake/phony.rb")
  end

end