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