Spring Framework example source code file (RowMapperTests.java)

This example Spring Framework source code file (RowMapperTests.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Spring Framework tags/keywords

connection, jdbc, jdbctemplate, mockcontrol, mockcontrol, object, preparedstatement, preparedstatement, sql, sql, sqlexception, sqlexception, statement, testbean, testrowmapper, util

The Spring Framework RowMapperTests.java source code

/*
 * Copyright 2002-2006 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.springframework.jdbc.core;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.sql.Types;
import java.util.List;

import junit.framework.TestCase;
import org.easymock.MockControl;

import org.springframework.beans.TestBean;
import org.springframework.jdbc.datasource.SingleConnectionDataSource;
import org.springframework.jdbc.support.SQLStateSQLExceptionTranslator;

/**
 * @author Juergen Hoeller
 * @since 02.08.2004
 */
public class RowMapperTests extends TestCase {

	private MockControl conControl;

	private Connection con;

	private MockControl rsControl;

	private ResultSet rs;

	private JdbcTemplate jdbcTemplate;

	private List result;

	protected void setUp() throws SQLException {
		conControl = MockControl.createControl(Connection.class);
		con = (Connection) conControl.getMock();
		con.isClosed();
		conControl.setDefaultReturnValue(false);

		rsControl = MockControl.createControl(ResultSet.class);
		rs = (ResultSet) rsControl.getMock();
		rs.next();
		rsControl.setReturnValue(true, 1);
		rs.getString(1);
		rsControl.setReturnValue("tb1", 1);
		rs.getInt(2);
		rsControl.setReturnValue(1, 1);
		rs.next();
		rsControl.setReturnValue(true, 1);
		rs.getString(1);
		rsControl.setReturnValue("tb2", 1);
		rs.getInt(2);
		rsControl.setReturnValue(2, 1);
		rs.next();
		rsControl.setReturnValue(false, 1);
		rs.close();
		rsControl.setVoidCallable(1);
		rsControl.replay();

		jdbcTemplate = new JdbcTemplate();
		jdbcTemplate.setDataSource(new SingleConnectionDataSource(con, false));
		jdbcTemplate.setExceptionTranslator(new SQLStateSQLExceptionTranslator());
		jdbcTemplate.afterPropertiesSet();
	}

	public void testStaticQueryWithRowMapper() throws SQLException {
		MockControl stmtControl = MockControl.createControl(Statement.class);
		Statement stmt = (Statement) stmtControl.getMock();

		con.createStatement();
		conControl.setReturnValue(stmt, 1);
		stmt.executeQuery("some SQL");
		stmtControl.setReturnValue(rs, 1);
		stmt.getWarnings();
		stmtControl.setReturnValue(null, 1);
		stmt.close();
		stmtControl.setVoidCallable(1);

		conControl.replay();
		stmtControl.replay();

		result = jdbcTemplate.query("some SQL", new TestRowMapper());

		stmtControl.verify();
		verify();
	}

	public void testPreparedStatementCreatorWithRowMapper() throws SQLException {
		MockControl psControl = MockControl.createControl(PreparedStatement.class);
		final PreparedStatement ps = (PreparedStatement) psControl.getMock();

		ps.executeQuery();
		psControl.setReturnValue(rs, 1);
		ps.getWarnings();
		psControl.setReturnValue(null, 1);
		ps.close();
		psControl.setVoidCallable(1);

		conControl.replay();
		psControl.replay();

		result = jdbcTemplate.query(
				new PreparedStatementCreator() {
					public PreparedStatement createPreparedStatement(Connection con) throws SQLException {
						return ps;
					}
				}, new TestRowMapper());

		psControl.verify();
		verify();
	}

	public void testPreparedStatementSetterWithRowMapper() throws SQLException {
		MockControl psControl = MockControl.createControl(PreparedStatement.class);
		final PreparedStatement ps = (PreparedStatement) psControl.getMock();

		con.prepareStatement("some SQL");
		conControl.setReturnValue(ps, 1);
		ps.setString(1, "test");
		psControl.setVoidCallable(1);
		ps.executeQuery();
		psControl.setReturnValue(rs, 1);
		ps.getWarnings();
		psControl.setReturnValue(null, 1);
		ps.close();
		psControl.setVoidCallable(1);

		conControl.replay();
		psControl.replay();

		result = jdbcTemplate.query(
				"some SQL",
				new PreparedStatementSetter() {
					public void setValues(PreparedStatement ps) throws SQLException {
						ps.setString(1, "test");
					}
				}, new TestRowMapper());

		psControl.verify();
		verify();
	}

	public void testQueryWithArgsAndRowMapper() throws SQLException {
		MockControl psControl = MockControl.createControl(PreparedStatement.class);
		final PreparedStatement ps = (PreparedStatement) psControl.getMock();

		con.prepareStatement("some SQL");
		conControl.setReturnValue(ps, 1);
		ps.setString(1, "test1");
		ps.setString(2, "test2");
		psControl.setVoidCallable(1);
		ps.executeQuery();
		psControl.setReturnValue(rs, 1);
		ps.getWarnings();
		psControl.setReturnValue(null, 1);
		ps.close();
		psControl.setVoidCallable(1);

		conControl.replay();
		psControl.replay();

		result = jdbcTemplate.query(
				"some SQL",
				new Object[] {"test1", "test2"},
				new TestRowMapper());

		psControl.verify();
		verify();
	}

	public void testQueryWithArgsAndTypesAndRowMapper() throws SQLException {
		MockControl psControl = MockControl.createControl(PreparedStatement.class);
		final PreparedStatement ps = (PreparedStatement) psControl.getMock();

		con.prepareStatement("some SQL");
		conControl.setReturnValue(ps, 1);
		ps.setString(1, "test1");
		ps.setString(2, "test2");
		psControl.setVoidCallable(1);
		ps.executeQuery();
		psControl.setReturnValue(rs, 1);
		ps.getWarnings();
		psControl.setReturnValue(null, 1);
		ps.close();
		psControl.setVoidCallable(1);

		conControl.replay();
		psControl.replay();

		result = jdbcTemplate.query(
				"some SQL",
				new Object[] {"test1", "test2"},
				new int[] {Types.VARCHAR, Types.VARCHAR},
				new TestRowMapper());

		psControl.verify();
		verify();
	}

	protected void verify() {
		conControl.verify();
		rsControl.verify();

		assertTrue(result != null);
		assertEquals(2, result.size());
		TestBean tb1 = (TestBean) result.get(0);
		TestBean tb2 = (TestBean) result.get(1);
		assertEquals("tb1", tb1.getName());
		assertEquals(1, tb1.getAge());
		assertEquals("tb2", tb2.getName());
		assertEquals(2, tb2.getAge());
	}


	private static class TestRowMapper implements RowMapper {

		public Object mapRow(ResultSet rs, int rowNum) throws SQLException {
			return new TestBean(rs.getString(1), rs.getInt(2));
		}
	}

}