package test.sql;
import org.eweb4j.config.EWeb4JConfig;
import org.eweb4j.orm.sql.DeleteSqlCreator;
import org.eweb4j.orm.sql.SqlFactory;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
import test.po.Master;
import test.po.Pet;
/**
* 测试删除sql语句创建类的所有方法
*
* @author weiwei
*
*/
public class TestDeleteSql {
private static DeleteSqlCreator<Pet> delete;
private static Pet pet;
@BeforeClass
public static void prepare() throws Exception {
String err = EWeb4JConfig.start("start.eweb.xml");
if (err != null){
System.out.println(">>>EWeb4J Start Error --> " + err);
System.exit(-1);
}
pet = new Pet();
pet.setAge(30);
delete = SqlFactory.getDeleteSql(pet);
}
/**
* 删除记录(按主键)
*
* @param ts
* @return
*/
@Test
public void testDeleteById() {
pet.setPetId(10);
String sql = delete.delete()[0];
Assert.assertEquals("DELETE FROM t_pet WHERE id = '10' ;", sql);
}
/**
* 删除记录，按给定字段
*
* @param columns
* @return
*/
@Test
public void testDeleteByField() {
String sql = delete.delete(new String[] { "age" })[0];
Assert.assertEquals("DELETE FROM t_pet WHERE age = '30' ;", sql);
}
/**
* 测试一(多)对一关系的删除sql语句生成
*
* @throws Exception
*/
@Test
public void testDeleteByOneRelField() throws Exception {
Master master = new Master();
master.setId(5);
pet.setMaster(master);
String[] fields = { "master" };
String sql = delete.delete(fields)[0];
Assert.assertEquals("DELETE FROM t_pet WHERE master_id = '5' ;", sql);
}
/**
* 删除记录，按给定字段、给定值
*
* @param clazz
* @param fields
* @param values
* @return
*/
@Test
public void testDeleteByFieldAndValue() {
String sql = delete.delete(new String[] { "age" },
new String[] { "50" })[0];
Assert.assertEquals("DELETE FROM t_pet WHERE age = '50' ;", sql);
}
/**
* 给定条件删除记录
*
* @param clazz
* @param condition
* @return
*/
@Test
public void testDeleteWhere() {
pet.setName("weiwei");
String sql = delete.deleteWhere("name = 'weiwei'");
Assert.assertEquals("DELETE FROM t_pet WHERE name = 'weiwei' ;", sql);
}
/**
* 给定条件删除记录，支持？占位符
*
* @param clazz
* @param condition
* @param args
* @return
*/
@Test
public void testDeleteWhereByArgs() {
String sql = delete.deleteWhere("name = ?");
Assert.assertEquals("DELETE FROM t_pet WHERE name = ? ;", sql);
}
}