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NestedResultHandlerMultipleAssociationTest.java
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NestedResultHandlerMultipleAssociationTest.java
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/**
* Copyright 2009-2019 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.ibatis.submitted.nestedresulthandler_multiple_association;
import java.io.Reader;
import java.util.List;
import org.apache.ibatis.BaseDataTest;
import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;
class NestedResultHandlerMultipleAssociationTest {
private static SqlSessionFactory sqlSessionFactory;
@BeforeAll
static void setUp() throws Exception {
// create an SqlSessionFactory
try (Reader reader = Resources
.getResourceAsReader("org/apache/ibatis/submitted/nestedresulthandler_multiple_association/mybatis-config.xml")) {
sqlSessionFactory = new SqlSessionFactoryBuilder().build(reader);
}
// populate in-memory database
BaseDataTest.runScript(sqlSessionFactory.getConfiguration().getEnvironment().getDataSource(),
"org/apache/ibatis/submitted/nestedresulthandler_multiple_association/CreateDB.sql");
}
@Test
void failure() {
try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
// Parents have child going from somewhere to somewhere, they are stored in
// a Binome object
// In this test we have 2 parents:
// Parent1 is going from Child1 to Child2
// Parent2 is going from Child2 to Child3 and from Child1 to Child2
// You'll see a NULL entry in the list instead of the Binome Child1/Child2
List<ParentBean> list = sqlSession.selectList("selectParentBeans");
for (ParentBean pb : list) {
for (Binome<ChildBean, ChildBean> childs : pb.getChilds()) {
Assertions.assertNotNull(childs);
Assertions.assertNotNull(childs.getOne());
Assertions.assertNotNull(childs.getTwo());
}
}
}
}
@Test
void success() {
try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
ParentBean parent = sqlSession.selectOne("selectParentBeanById", 2);
// If you only select the Parent2 it works
for (Binome<ChildBean, ChildBean> childs : parent.getChilds()) {
Assertions.assertNotNull(childs);
Assertions.assertNotNull(childs.getOne());
Assertions.assertNotNull(childs.getTwo());
}
}
}
}