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require 'fileutils'
module FileUpdateCheckerWithEnumerableTestCases
include FileUtils
def setup
@tmpdir = Dir.mktmpdir(nil, __dir__)
@files = %w(foo.rb bar.rb baz.rb).map {|f| "#{@tmpdir}/#{f}"}
FileUtils.touch(@files)
end
def teardown
FileUtils.rm_rf(@tmpdir)
end
def test_should_not_execute_the_block_if_no_paths_are_given
i = 0
checker = new_checker { i += 1 }
assert !checker.execute_if_updated
assert_equal 0, i
end
def test_should_not_invoke_the_block_if_no_file_has_changed
i = 0
checker = new_checker(@files) { i += 1 }
assert !checker.execute_if_updated
assert_equal 0, i
end
def test_should_invoke_the_block_if_a_file_has_changed
i = 0
checker = new_checker(@files) { i += 1 }
touch(@files)
assert checker.execute_if_updated
assert_equal 1, i
end
def test_updated_should_become_true_when_watched_files_are_deleted
i = 0
checker = new_checker(@files) { i += 1 }
assert !checker.updated?
rm_f(@files)
assert checker.updated?
end
def test_should_detect_deleted_files
i = 0
checker = new_checker(@files) { i += 1 }
rm_f(@files)
assert checker.execute_if_updated
assert_equal 1, i
end
def test_should_be_robust_to_handle_files_with_wrong_modified_time
i = 0
now = Time.now
time = Time.mktime(now.year + 1, now.month, now.day) # wrong mtime from the future
File.utime(time, time, @files[0])
checker = new_checker(@files) { i += 1 }
touch(@files[1..-1])
assert checker.execute_if_updated
assert_equal 1, i
end
def test_should_cache_updated_result_until_execute
i = 0
checker = new_checker(@files) { i += 1 }
assert !checker.updated?
touch(@files)
assert checker.updated?
checker.execute
assert !checker.updated?
end
def test_should_invoke_the_block_if_a_watched_dir_changes
i = 0
checker = new_checker([], @tmpdir => :rb) { i += 1 }
touch(@files)
assert checker.execute_if_updated
assert_equal 1, i
end
def test_should_not_invoke_the_block_if_a_watched_dir_does_not_change
i = 0
checker = new_checker([], @tmpdir => :txt) { i += 1 }
touch(@files)
assert !checker.execute_if_updated
assert_equal 0, i
end
def test_does_not_assume_files_exist_on_instantiation
i = 0
non_existing = "#{@tmpdir}/non_existing.rb"
checker = new_checker([non_existing]) { i += 1 }
touch(non_existing)
assert checker.execute_if_updated
assert_equal 1, i
end
def test_detects_files_in_new_subdirectories
i = 0
checker = new_checker([], @tmpdir => :rb) { i += 1 }
subdir = "#{@tmpdir}/subdir"
mkdir(subdir)
wait
assert !checker.execute_if_updated
assert_equal 0, i
touch("#{subdir}/nested.rb")
assert checker.execute_if_updated
assert_equal 1, i
end
def test_looked_up_extensions_are_inherited_in_subdirectories_not_listening_to_them
i = 0
subdir = "#{@tmpdir}/subdir"
mkdir(subdir)
checker = new_checker([], @tmpdir => :rb, subdir => :txt) { i += 1 }
touch("#{@tmpdir}/new.txt")
assert !checker.execute_if_updated
assert_equal 0, i
# subdir does not look for Ruby files, but its parent @tmpdir does.
touch("#{subdir}/nested.rb")
assert checker.execute_if_updated
assert_equal 1, i
touch("#{subdir}/nested.txt")
assert checker.execute_if_updated
assert_equal 2, i
end
end
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