PreparedParamsTest.java

/**
 *    Copyright 2015 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.mybatis.scripting.freemarker;

import org.apache.ibatis.exceptions.PersistenceException;
import org.apache.ibatis.io.Resources;
import org.apache.ibatis.jdbc.ScriptRunner;
import org.apache.ibatis.mapping.Environment;
import org.apache.ibatis.session.Configuration;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;
import org.apache.ibatis.transaction.TransactionFactory;
import org.apache.ibatis.transaction.jdbc.JdbcTransactionFactory;
import org.hsqldb.jdbc.JDBCDataSource;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;

import java.io.Reader;
import java.sql.Connection;
import java.util.ArrayList;
import java.util.List;

/**
 * Test of using FreeMarker to generate prepared statements parameters.
 *
 * @author elwood
 */
public class PreparedParamsTest {
    protected static SqlSessionFactory sqlSessionFactory;

    @BeforeClass
    public static void setUp() throws Exception {
        Class.forName("org.hsqldb.jdbcDriver");

        JDBCDataSource dataSource = new JDBCDataSource();
        dataSource.setUrl("jdbc:hsqldb:mem:db3");
        dataSource.setUser("sa");
        dataSource.setPassword("");

        try (Connection conn = dataSource.getConnection()) {
            try (Reader reader = Resources.getResourceAsReader("org/mybatis/scripting/freemarker/create-db.sql")) {
                ScriptRunner runner = new ScriptRunner(conn);
                runner.setLogWriter(null);
                runner.setErrorLogWriter(null);
                runner.runScript(reader);
                conn.commit();
            }
        }

        TransactionFactory transactionFactory = new JdbcTransactionFactory();
        Environment environment = new Environment("development", transactionFactory, dataSource);

        // You can call configuration.setDefaultScriptingLanguage(FreeMarkerLanguageDriver.class)
        // after this to use FreeMarker driver by default.
        Configuration configuration = new Configuration(environment);

        configuration.addMapper(PreparedParamsMapper.class);
        sqlSessionFactory = new SqlSessionFactoryBuilder().build(configuration);
    }

    @Test
    public void testInCall() {
        try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
            PreparedParamsMapper mapper = sqlSession.getMapper(PreparedParamsMapper.class);
            List<Name> names = mapper.findByNames(new ArrayList<String>() {{
                add("Pebbles");
                add("Barney");
                add("Betty");
            }});
            Assert.assertTrue(names.size() == 3);
        }
    }

    /**
     * PersistenceException will be thrown with cause of UnsupportedOperationException
     */
    @Test(expected = PersistenceException.class)
    public void testParamsObjectCall() {
        try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
            PreparedParamsMapper mapper = sqlSession.getMapper(PreparedParamsMapper.class);
            mapper.findUsingParamsObject(new PreparedParam());
        }
    }

    @Test
    public void testNoParamsCall() {
        try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
            PreparedParamsMapper mapper = sqlSession.getMapper(PreparedParamsMapper.class);
            Name name = mapper.findUsingParams(new PreparedParam.InnerClass());
            Assert.assertTrue(name != null && name.getFirstName().equals("Wilma"));
        }
    }
}