倒底该怎么写DAO的单元测试？
import java.util.Date;public class ModelBasicFactory {/** * @generatedpublic static TsyscodeCard createTsyscodeCard(){TsyscodeCard tsyscodeCard = new TsyscodeCard();tsyscodeCard.setCid(3);tsyscodeCard.setDescription("testString");tsyscodeCard.setCodename("testString");tsyscodeCard.setCodeid("testString");return tsyscodeCard;}public static TsyscodeCard[] createTsyscodeCards(int size){TsyscodeCard[] tsyscodeCards = new TsyscodeCard[size];for(int i=0;i<size;i++){tsyscodeCards[i] = new TsyscodeCard();tsyscodeCards[i].setCid(3);tsyscodeCards[i].setDescription("testString");tsyscodeCards[i].setCodename("testString");tsyscodeCards[i].setCodeid("testString");}return tsyscodeCards;}}