How to better test

IF DEBUG # 1.
// hardcoded false data codes, wrapped in a macro inside conditional compilation

if DEBUG

titleLabel.text = "这是一个标题这是一个标题这是一个标题这是一个标题这"
thumbnailImageView.image = UIImage(named:"sampleImage")
avatarImageView.image = UIImage(named:"sampleImage")
authorNameLabel.text = "作者名"
viewCountLabel.text = "1000"
commentCountLabel.text = "1000"

endif