def test_set_utime_without_exif_date():
filesystem = FileSystem()
temporary_folder, folder = helper.create_working_folder()
origin = os.path.join(folder,'photo.jpg')
shutil.copyfile(helper.get_file('no-exif.jpg'), origin)
media_initial = Photo(origin)
metadata_initial = media_initial.get_metadata()
initial_stat = os.stat(origin)
initial_time = int(min(initial_stat.st_mtime, initial_stat.st_ctime))
initial_checksum = helper.checksum(origin)
assert initial_time == time.mktime(metadata_initial['date_taken'])
filesystem.set_utime_from_metadata(media_initial.get_metadata(), media_initial.get_file_path())
final_stat = os.stat(origin)
final_checksum = helper.checksum(origin)
media_final = Photo(origin)
metadata_final = media_final.get_metadata()
shutil.rmtree(folder)
assert initial_time == final_stat.st_mtime
assert final_stat.st_mtime == time.mktime(metadata_final['date_taken']), (final_stat.st_mtime, time.mktime(metadata_final['date_taken']))
assert initial_checksum == final_checksum
