/* Copyright (C) 2002-2007 MySQL AB This program is free software; you can redistribute it and/or modify it under the terms of version 2 of the GNU General Public License as  published by the Free Software Foundation. There are special exceptions to the terms and conditions of the GPL  as it is applied to this software. View the full text of the  exception in file EXCEPTIONS-CONNECTOR-J in the directory of this  software distribution. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */package testsuite.simple;import testsuite.BaseTestCase;import java.io.File;import java.sql.Connection;import java.util.Hashtable;import javax.naming.Context;import javax.naming.InitialContext;import javax.naming.Name;import javax.naming.NameParser;import javax.naming.Reference;import javax.naming.spi.ObjectFactory;import javax.sql.DataSource;import javax.sql.PooledConnection;import com.mysql.jdbc.jdbc2.optional.MysqlConnectionPoolDataSource;import com.mysql.jdbc.jdbc2.optional.MysqlXADataSource;/** *  * @author Mark Matthews * @version $Id: DataSourceTest.java 6562 2007-09-05 16:02:17Z mmatthews $ */public class DataSourceTest extends BaseTestCase {	// ~ Instance fields	// --------------------------------------------------------	private Context ctx;	private File tempDir;	// ~ Constructors	// -----------------------------------------------------------	/**	 * Creates a new DataSourceTest object.	 * 	 * @param name	 *            DOCUMENT ME!	 */	public DataSourceTest(String name) {		super(name);	}	// ~ Methods	// ----------------------------------------------------------------	/**	 * Runs all test cases in this test suite	 * 	 * @param args	 */	public static void main(String[] args) {		junit.textui.TestRunner.run(DataSourceTest.class);	}	/**	 * Sets up this test, calling registerDataSource() to bind a DataSource into	 * JNDI, using the FSContext JNDI provider from Sun	 * 	 * @throws Exception	 *             if an error occurs.	 */	public void setUp() throws Exception {		super.setUp();		registerDataSource();	}	/**	 * Un-binds the DataSource, and cleans up the filesystem	 * 	 * @throws Exception	 *             if an error occurs	 */	public void tearDown() throws Exception {		this.ctx.unbind(this.tempDir.getAbsolutePath() + "/test");		this.ctx.close();		this.tempDir.delete();		super.tearDown();	}	/**	 * Tests that we can get a connection from the DataSource bound in JNDI	 * during test setup	 * 	 * @throws Exception	 *             if an error occurs	 */	public void testDataSource() throws Exception {		NameParser nameParser = this.ctx.getNameParser("");		Name datasourceName = nameParser.parse(this.tempDir.getAbsolutePath()				+ "/test");		Object obj = this.ctx.lookup(datasourceName);		DataSource boundDs = null;		if (obj instanceof DataSource) {			boundDs = (DataSource) obj;		} else if (obj instanceof Reference) {			//			// For some reason, this comes back as a Reference			// instance under CruiseControl !?			//			Reference objAsRef = (Reference) obj;			ObjectFactory factory = (ObjectFactory) Class.forName(					objAsRef.getFactoryClassName()).newInstance();			boundDs = (DataSource) factory.getObjectInstance(objAsRef,					datasourceName, this.ctx, new Hashtable());		}		assertTrue("Datasource not bound", boundDs != null);		Connection con = boundDs.getConnection();		con.close();		assertTrue("Connection can not be obtained from data source",				con != null);	}	/**	 * Tests whether Connection.changeUser() (and thus pooled connections)	 * restore character set information correctly.	 * 	 * @throws Exception	 *             if the test fails.	 */	public void testChangeUserAndCharsets() throws Exception {		if (versionMeetsMinimum(4, 1)) {			MysqlConnectionPoolDataSource ds = new MysqlConnectionPoolDataSource();			ds.setURL(BaseTestCase.dbUrl);			ds.setCharacterEncoding("utf-8");			PooledConnection pooledConnection = ds.getPooledConnection();			Connection connToMySQL = pooledConnection.getConnection();			this.rs = connToMySQL.createStatement().executeQuery(					"SELECT @@character_set_results");			assertTrue(this.rs.next());						String toCheck = null;						if (versionMeetsMinimum(4, 1, 15)) {				if (versionMeetsMinimum(5, 0)) {					if (versionMeetsMinimum(5, 0, 13)) {						toCheck = null;					} else {						toCheck = "NULL";					}				} else {					toCheck = null;				}			} else {				toCheck = "NULL";			}						assertEquals(toCheck, this.rs.getString(1));			this.rs = connToMySQL.createStatement().executeQuery(					"SHOW SESSION VARIABLES LIKE 'character_set_client'");			assertTrue(this.rs.next());			assertEquals("utf8", this.rs.getString(2));			connToMySQL.close();			connToMySQL = pooledConnection.getConnection();			this.rs = connToMySQL.createStatement().executeQuery(					"SELECT @@character_set_results");			assertTrue(this.rs.next());			assertEquals(toCheck, this.rs.getString(1));			this.rs = connToMySQL.createStatement().executeQuery(					"SHOW SESSION VARIABLES LIKE 'character_set_client'");			assertTrue(this.rs.next());			assertEquals("utf8", this.rs.getString(2));			pooledConnection.getConnection().close();		}	}	/**	 * Tests whether XADataSources can be bound into JNDI	 * 	 * @throws Exception if the test fails.	 */	public void testXADataSource() throws Exception {			MysqlXADataSource ds = new MysqlXADataSource();		ds.setUrl(dbUrl);				String name = "XA";		this.ctx.rebind(name, ds);		Object result = this.ctx.lookup(name);		assertNotNull("XADataSource not bound into JNDI", result);	}		/**	 * This method is separated from the rest of the example since you normally	 * would NOT register a JDBC driver in your code. It would likely be	 * configered into your naming and directory service using some GUI.	 * 	 * @throws Exception	 *             if an error occurs	 */	private void registerDataSource() throws Exception {		this.tempDir = File.createTempFile("jnditest", null);		this.tempDir.delete();		this.tempDir.mkdir();		this.tempDir.deleteOnExit();		com.mysql.jdbc.jdbc2.optional.MysqlDataSource ds;		Hashtable env = new Hashtable();		env.put(Context.INITIAL_CONTEXT_FACTORY,				"com.sun.jndi.fscontext.RefFSContextFactory");		this.ctx = new InitialContext(env);		assertTrue("Naming Context not created", this.ctx != null);		ds = new com.mysql.jdbc.jdbc2.optional.MysqlDataSource();		ds.setUrl(dbUrl); // from BaseTestCase		this.ctx.bind(this.tempDir.getAbsolutePath() + "/test", ds);	}}