Spring Framework example source code file (DriverManagerDataSourceTests.java)

This example Spring Framework source code file (DriverManagerDataSourceTests.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

classnotfoundexception, connection, connection, drivermanagerdatasource, drivermanagerdatasource, exception, illegalstateexception, jdbc, mockcontrol, properties, properties, sql, string, string, testcase, testdrivermanagerdatasource, util

The Spring Framework DriverManagerDataSourceTests.java source code

/*
 * Copyright 2002-2008 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.datasource;

import java.sql.Connection;
import java.util.Properties;

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

/**
 * @author Rod Johnson
 */
public class DriverManagerDataSourceTests extends TestCase {

	public void testStandardUsage() throws Exception {
		final String jdbcUrl = "url";
		final String uname = "uname";
		final String pwd = "pwd";

		MockControl ctrlConnection =
			MockControl.createControl(Connection.class);
		final Connection mockConnection = (Connection) ctrlConnection.getMock();
		ctrlConnection.replay();

		class TestDriverManagerDataSource extends DriverManagerDataSource {
			protected Connection getConnectionFromDriverManager(String url, Properties props) {
				assertEquals(jdbcUrl, url);
				assertEquals(uname, props.getProperty("user"));
				assertEquals(pwd, props.getProperty("password"));
				return mockConnection;
			}
		}

		DriverManagerDataSource ds = new TestDriverManagerDataSource();
		//ds.setDriverClassName("foobar");
		ds.setUrl(jdbcUrl);
		ds.setUsername(uname);
		ds.setPassword(pwd);

		Connection actualCon = ds.getConnection();
		assertTrue(actualCon == mockConnection);

		assertTrue(ds.getUrl().equals(jdbcUrl));
		assertTrue(ds.getPassword().equals(pwd));
		assertTrue(ds.getUsername().equals(uname));

		ctrlConnection.verify();
	}

	public void testUsageWithConnectionProperties() throws Exception {
		final String jdbcUrl = "url";

		final Properties connProps = new Properties();
		connProps.setProperty("myProp", "myValue");
		connProps.setProperty("yourProp", "yourValue");
		connProps.setProperty("user", "uname");
		connProps.setProperty("password", "pwd");

		MockControl ctrlConnection =
			MockControl.createControl(Connection.class);
		final Connection mockConnection = (Connection) ctrlConnection.getMock();
		ctrlConnection.replay();

		class TestDriverManagerDataSource extends DriverManagerDataSource {
			protected Connection getConnectionFromDriverManager(String url, Properties props) {
				assertEquals(jdbcUrl, url);
				assertEquals("uname", props.getProperty("user"));
				assertEquals("pwd", props.getProperty("password"));
				assertEquals("myValue", props.getProperty("myProp"));
				assertEquals("yourValue", props.getProperty("yourProp"));
				return mockConnection;
			}
		}

		DriverManagerDataSource ds = new TestDriverManagerDataSource();
		//ds.setDriverClassName("foobar");
		ds.setUrl(jdbcUrl);
		ds.setConnectionProperties(connProps);

		Connection actualCon = ds.getConnection();
		assertTrue(actualCon == mockConnection);

		assertTrue(ds.getUrl().equals(jdbcUrl));

		ctrlConnection.verify();
	}

	public void testUsageWithConnectionPropertiesAndUserCredentials() throws Exception {
		final String jdbcUrl = "url";
		final String uname = "uname";
		final String pwd = "pwd";

		final Properties connProps = new Properties();
		connProps.setProperty("myProp", "myValue");
		connProps.setProperty("yourProp", "yourValue");
		connProps.setProperty("user", "uname2");
		connProps.setProperty("password", "pwd2");

		MockControl ctrlConnection =
			MockControl.createControl(Connection.class);
		final Connection mockConnection = (Connection) ctrlConnection.getMock();
		ctrlConnection.replay();

		class TestDriverManagerDataSource extends DriverManagerDataSource {
			protected Connection getConnectionFromDriverManager(String url, Properties props) {
				assertEquals(jdbcUrl, url);
				assertEquals(uname, props.getProperty("user"));
				assertEquals(pwd, props.getProperty("password"));
				assertEquals("myValue", props.getProperty("myProp"));
				assertEquals("yourValue", props.getProperty("yourProp"));
				return mockConnection;
			}
		}

		DriverManagerDataSource ds = new TestDriverManagerDataSource();
		//ds.setDriverClassName("foobar");
		ds.setUrl(jdbcUrl);
		ds.setUsername(uname);
		ds.setPassword(pwd);
		ds.setConnectionProperties(connProps);

		Connection actualCon = ds.getConnection();
		assertTrue(actualCon == mockConnection);

		assertTrue(ds.getUrl().equals(jdbcUrl));
		assertTrue(ds.getPassword().equals(pwd));
		assertTrue(ds.getUsername().equals(uname));

		ctrlConnection.verify();
	}

	public void testInvalidClassName() throws Exception {
		String bogusClassName = "foobar";
		DriverManagerDataSource ds = new DriverManagerDataSource();
		try {
			ds.setDriverClassName(bogusClassName);
			fail("Should have thrown IllegalStateException");
		}
		catch (IllegalStateException ex) {
			// OK
			assertTrue(ex.getCause() instanceof ClassNotFoundException);
		}
	}

}