ImmutablePOJOTest.java

/*
 *    Copyright 2009-2025 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
 *
 *       https://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
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package org.apache.ibatis.submitted.immutable_constructor;

import static org.junit.jupiter.api.Assertions.assertEquals;

import java.io.Reader;

import org.apache.ibatis.BaseDataTest;
import org.apache.ibatis.exceptions.PersistenceException;
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;

final class ImmutablePOJOTest {

  private static final Integer POJO_ID = 1;
  private static final String POJO_DESCRIPTION = "Description of immutable";

  private static SqlSessionFactory factory;

  @BeforeAll
  static void setupClass() throws Exception {
    try (Reader reader = Resources
        .getResourceAsReader("org/apache/ibatis/submitted/immutable_constructor/ibatisConfig.xml")) {
      factory = new SqlSessionFactoryBuilder().build(reader);
    }

    BaseDataTest.runScript(factory.getConfiguration().getEnvironment().getDataSource(),
        "org/apache/ibatis/submitted/immutable_constructor/CreateDB.sql");
  }

  @Test
  void shouldLoadImmutablePOJOBySignature() {
    try (SqlSession session = factory.openSession()) {
      final ImmutablePOJOMapper mapper = session.getMapper(ImmutablePOJOMapper.class);
      final ImmutablePOJO pojo = mapper.getImmutablePOJO(POJO_ID);

      assertEquals(POJO_ID, pojo.getImmutableId());
      assertEquals(POJO_DESCRIPTION, pojo.getImmutableDescription());
    }
  }

  @Test
  void shouldFailLoadingImmutablePOJO() {
    try (SqlSession session = factory.openSession()) {
      final ImmutablePOJOMapper mapper = session.getMapper(ImmutablePOJOMapper.class);
      Assertions.assertThrows(PersistenceException.class, () -> mapper.getImmutablePOJONoMatchingConstructor(POJO_ID));
    }
  }

}