diff options
Diffstat (limited to 'activesupport/test/file_update_checker_shared_tests.rb')
| -rw-r--r-- | activesupport/test/file_update_checker_shared_tests.rb | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/activesupport/test/file_update_checker_shared_tests.rb b/activesupport/test/file_update_checker_shared_tests.rb new file mode 100644 index 0000000000..100cbc9756 --- /dev/null +++ b/activesupport/test/file_update_checker_shared_tests.rb @@ -0,0 +1,241 @@ +require 'fileutils' + +module FileUpdateCheckerSharedTests + extend ActiveSupport::Testing::Declarative + include FileUtils + + def tmpdir + @tmpdir ||= Dir.mktmpdir(nil, __dir__) + end + + def tmpfile(name) + "#{tmpdir}/#{name}" + end + + def tmpfiles + @tmpfiles ||= %w(foo.rb bar.rb baz.rb).map { |f| tmpfile(f) } + end + + def teardown + FileUtils.rm_rf(@tmpdir) if defined? @tmpdir + end + + test 'should not execute the block if no paths are given' do + i = 0 + + checker = new_checker { i += 1 } + + assert !checker.execute_if_updated + assert_equal 0, i + end + + test 'should not execute the block if no files change' do + i = 0 + + FileUtils.touch(tmpfiles) + + checker = new_checker(tmpfiles) { i += 1 } + + assert !checker.execute_if_updated + assert_equal 0, i + end + + test 'should execute the block once when files are created' do + i = 0 + + checker = new_checker(tmpfiles) { i += 1 } + + touch(tmpfiles) + + assert checker.execute_if_updated + assert_equal 1, i + end + + test 'should execute the block once when files are modified' do + i = 0 + + FileUtils.touch(tmpfiles) + + checker = new_checker(tmpfiles) { i += 1 } + + touch(tmpfiles) + + assert checker.execute_if_updated + assert_equal 1, i + end + + test 'should execute the block once when files are deleted' do + i = 0 + + FileUtils.touch(tmpfiles) + + checker = new_checker(tmpfiles) { i += 1 } + + rm_f(tmpfiles) + + assert checker.execute_if_updated + assert_equal 1, i + end + + + test 'updated should become true when watched files are created' do + i = 0 + + checker = new_checker(tmpfiles) { i += 1 } + assert !checker.updated? + + touch(tmpfiles) + + assert checker.updated? + end + + + test 'updated should become true when watched files are modified' do + i = 0 + + FileUtils.touch(tmpfiles) + + checker = new_checker(tmpfiles) { i += 1 } + assert !checker.updated? + + touch(tmpfiles) + + assert checker.updated? + end + + test 'updated should become true when watched files are deleted' do + i = 0 + + FileUtils.touch(tmpfiles) + + checker = new_checker(tmpfiles) { i += 1 } + assert !checker.updated? + + rm_f(tmpfiles) + + assert checker.updated? + end + + test 'should be robust to handle files with wrong modified time' do + i = 0 + + FileUtils.touch(tmpfiles) + + now = Time.now + time = Time.mktime(now.year + 1, now.month, now.day) # wrong mtime from the future + File.utime(time, time, tmpfiles[0]) + + checker = new_checker(tmpfiles) { i += 1 } + + touch(tmpfiles[1..-1]) + + assert checker.execute_if_updated + assert_equal 1, i + end + + test 'should cache updated result until execute' do + i = 0 + + checker = new_checker(tmpfiles) { i += 1 } + assert !checker.updated? + + touch(tmpfiles) + + assert checker.updated? + checker.execute + assert !checker.updated? + end + + test 'should execute the block if files change in a watched directory one extension' do + i = 0 + + checker = new_checker([], tmpdir => :rb) { i += 1 } + + touch(tmpfile('foo.rb')) + + assert checker.execute_if_updated + assert_equal 1, i + end + + test 'should execute the block if files change in a watched directory several extensions' do + i = 0 + + checker = new_checker([], tmpdir => [:rb, :txt]) { i += 1 } + + touch(tmpfile('foo.rb')) + + assert checker.execute_if_updated + assert_equal 1, i + + touch(tmpfile('foo.txt')) + + assert checker.execute_if_updated + assert_equal 2, i + end + + test 'should not execute the block if the file extension is not watched' do + i = 0 + + checker = new_checker([], tmpdir => :txt) { i += 1 } + + touch(tmpfile('foo.rb')) + + assert !checker.execute_if_updated + assert_equal 0, i + end + + test 'does not assume files exist on instantiation' do + i = 0 + + non_existing = tmpfile('non_existing.rb') + checker = new_checker([non_existing]) { i += 1 } + + touch(non_existing) + + assert checker.execute_if_updated + assert_equal 1, i + end + + test 'detects files in new subdirectories' do + i = 0 + + checker = new_checker([], tmpdir => :rb) { i += 1 } + + subdir = tmpfile('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 + + test 'looked up extensions are inherited in subdirectories not listening to them' do + i = 0 + + subdir = tmpfile('subdir') + mkdir(subdir) + + checker = new_checker([], tmpdir => :rb, subdir => :txt) { i += 1 } + + touch(tmpfile('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 |