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rails--rails/activesupport/test/file_update_checker_test.rb

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2010-06-20 07:26:42 -04:00
require 'abstract_unit'
require 'test/unit'
require 'fileutils'
MTIME_FIXTURES_PATH = File.expand_path("../fixtures", __FILE__)
class FileUpdateCheckerTest < Test::Unit::TestCase
FILES = %w(1.txt 2.txt 3.txt)
def setup
FileUtils.touch(FILES)
end
def teardown
FileUtils.rm(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_invoke_the_block_on_first_call_if_it_does_not_calculate_last_updated_at_on_load
i = 0
checker = ActiveSupport::FileUpdateChecker.new(FILES){ i += 1 }
checker.execute_if_updated
assert_equal 1, i
end
def test_should_not_invoke_the_block_on_first_call_if_it_calculates_last_updated_at_on_load
i = 0
checker = ActiveSupport::FileUpdateChecker.new(FILES, true){ 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 { checker.execute_if_updated }
assert_equal 1, i
end
def test_should_invoke_the_block_if_a_file_has_changed
i = 0
checker = ActiveSupport::FileUpdateChecker.new(FILES){ i += 1 }
checker.execute_if_updated
sleep(1)
FileUtils.touch(FILES)
checker.execute_if_updated
assert_equal 2, i
end
end