require 'abstract_unit' require 'fileutils' require 'thread' MTIME_FIXTURES_PATH = File.expand_path("../fixtures", __FILE__) class FileUpdateCheckerWithEnumerableTest < ActiveSupport::TestCase FILES = %w(1.txt 2.txt 3.txt) def setup FileUtils.mkdir_p("tmp_watcher") FileUtils.touch(FILES) end def teardown FileUtils.rm_rf("tmp_watcher") FileUtils.rm_rf(FILES) end def test_should_not_execute_the_block_if_no_paths_are_given i = 0 checker = ActiveSupport::FileUpdateChecker.new([]){ i += 1 } checker.execute_if_updated assert_equal 0, i end def test_should_not_invoke_the_block_if_no_file_has_changed i = 0 checker = ActiveSupport::FileUpdateChecker.new(FILES){ i += 1 } 5.times { assert !checker.execute_if_updated } assert_equal 0, i end def test_should_invoke_the_block_if_a_file_has_changed i = 0 checker = ActiveSupport::FileUpdateChecker.new(FILES){ i += 1 } sleep(1) FileUtils.touch(FILES) assert checker.execute_if_updated assert_equal 1, i end def test_should_be_robust_enough_to_handle_deleted_files i = 0 checker = ActiveSupport::FileUpdateChecker.new(FILES){ i += 1 } FileUtils.rm(FILES) assert !checker.execute_if_updated assert_equal 0, i end def test_should_cache_updated_result_until_execute i = 0 checker = ActiveSupport::FileUpdateChecker.new(FILES){ i += 1 } assert !checker.updated? sleep(1) FileUtils.touch(FILES) assert checker.updated? checker.execute assert !checker.updated? end def test_should_invoke_the_block_if_a_watched_dir_changed_its_glob i = 0 checker = ActiveSupport::FileUpdateChecker.new([], "tmp_watcher" => [:txt]){ i += 1 } FileUtils.cd "tmp_watcher" do FileUtils.touch(FILES) end assert checker.execute_if_updated assert_equal 1, i end def test_should_not_invoke_the_block_if_a_watched_dir_changed_its_glob i = 0 checker = ActiveSupport::FileUpdateChecker.new([], "tmp_watcher" => :rb){ i += 1 } FileUtils.cd "tmp_watcher" do FileUtils.touch(FILES) end assert !checker.execute_if_updated assert_equal 0, i end def test_should_not_block_if_a_strange_filename_used FileUtils.mkdir_p("tmp_watcher/valid,yetstrange,path,") FileUtils.touch(FILES.map { |file_name| "tmp_watcher/valid,yetstrange,path,/#{file_name}" }) test = Thread.new do ActiveSupport::FileUpdateChecker.new([],"tmp_watcher/valid,yetstrange,path," => :txt) { i += 1 } Thread.exit end test.priority = -1 test.join(5) assert !test.alive? end end