FreeMarkerInXmlTest.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.io.Resources;
import org.apache.ibatis.jdbc.ScriptRunner;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;

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

/**
 * Test of using FreeMarker inside XML mapper config.
 *
 * @author elwood
 */
public class FreeMarkerInXmlTest {
    protected static SqlSessionFactory sqlSessionFactory;

    @BeforeClass
    public static void setUp() throws Exception {
        Connection conn = null;

        try {
            Class.forName("org.hsqldb.jdbcDriver");
            conn = DriverManager.getConnection("jdbc:hsqldb:mem:db2", "sa", "");

            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();
            reader.close();

            reader = Resources.getResourceAsReader("org/mybatis/scripting/freemarker/mapper-config.xml");
            sqlSessionFactory = new SqlSessionFactoryBuilder().build(reader);
            reader.close();
        } finally {
            if (conn != null) {
                conn.close();
            }
        }
    }

    @Test
    public void testNoParamsCall() {
        try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
            List<Name> allNames = sqlSession.selectList("getAllNames");
            Assert.assertTrue(allNames.size() == 5);
        }
    }

    @Test
    public void testMyBatisParamCall() {
        try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
            HashMap<String, Object> paramsMap = new HashMap<>();
            paramsMap.put("name", "Pebbles");
            Name pebble = sqlSession.selectOne("findName", paramsMap);
            Assert.assertTrue(pebble != null && pebble.getFirstName().equals("Pebbles"));
        }
    }

    @Test
    public void testInQuery() {
        try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
            HashMap<String, Object> paramsMap = new HashMap<>();
            paramsMap.put("ids", new ArrayList<Integer>() {{
                add(1);
                add(3);
                add(4);
            }});
            List<Name> namesByIds = sqlSession.selectList("findNamesByIds", paramsMap);
            Assert.assertTrue(namesByIds.size() == 3);
        }
    }

    @Test
    public void testParamObject() {
        try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
            Name name = sqlSession.selectOne("find", new NameParam(4));
            Assert.assertTrue(name != null && name.getId() == 4);
        }
    }

    @Test
    public void testStringParam() {
        try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
            List<Name> stdLangResult = sqlSession.selectList("getNamesOddBehaviourStdLang", "Pebbles");
            List<Name> freeMarkerLangResult = sqlSession.selectList("getNamesOddBehaviourFreeMarkerLang", "Pebbles");
            Assert.assertTrue(stdLangResult.size() == 1);
            Assert.assertTrue(stdLangResult.get(0).getFirstName().equals("Pebbles"));
            Assert.assertTrue(freeMarkerLangResult.size() == 1);
            Assert.assertTrue(freeMarkerLangResult.get(0).getFirstName().equals("Pebbles"));
        }
    }
}