Spring Framework example source code file (BeanFactoryDataSourceLookupTests.java)

This example Spring Framework source code file (BeanFactoryDataSourceLookupTests.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

a, beanfactory, beanfactory, beanfactorydatasourcelookup, beanfactorydatasourcelookup, beanfactorydatasourcelookuptests, datasource, exception, exception, mockcontrol, mockcontrol, sql, string, stubdatasource, testcase

The Spring Framework BeanFactoryDataSourceLookupTests.java source code

/*
 * Copyright 2002-2007 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.lookup;

import javax.sql.DataSource;

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

import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.BeanNotOfRequiredTypeException;
import org.springframework.test.AssertThrows;

/**
 * @author Rick Evans
 * @author Juergen Hoeller
 */
public class BeanFactoryDataSourceLookupTests extends TestCase {

	private static final String DATASOURCE_BEAN_NAME = "dataSource";


	public void testLookupSunnyDay() throws Exception {
		MockControl mockBeanFactory = MockControl.createControl(BeanFactory.class);
		BeanFactory beanFactory = (BeanFactory) mockBeanFactory.getMock();

		beanFactory.getBean(DATASOURCE_BEAN_NAME, DataSource.class);
		StubDataSource expectedDataSource = new StubDataSource();
		mockBeanFactory.setReturnValue(expectedDataSource);

		mockBeanFactory.replay();

		BeanFactoryDataSourceLookup lookup = new BeanFactoryDataSourceLookup();
		lookup.setBeanFactory(beanFactory);
		DataSource dataSource = lookup.getDataSource(DATASOURCE_BEAN_NAME);
		assertNotNull("A DataSourceLookup implementation must *never* return null from getDataSource(): this one obviously (and incorrectly) is", dataSource);
		assertSame(expectedDataSource, dataSource);

		mockBeanFactory.verify();
	}

	public void testLookupWhereBeanFactoryYieldsNonDataSourceType() throws Exception {
		MockControl mockBeanFactory = MockControl.createControl(BeanFactory.class);
		final BeanFactory beanFactory = (BeanFactory) mockBeanFactory.getMock();

		beanFactory.getBean(DATASOURCE_BEAN_NAME, DataSource.class);
		mockBeanFactory.setThrowable(new BeanNotOfRequiredTypeException(DATASOURCE_BEAN_NAME, DataSource.class, String.class));

		mockBeanFactory.replay();

		new AssertThrows(DataSourceLookupFailureException.class) {
			public void test() throws Exception {
				BeanFactoryDataSourceLookup lookup = new BeanFactoryDataSourceLookup(beanFactory);
				lookup.getDataSource(DATASOURCE_BEAN_NAME);
			}
		}.runTest();

		mockBeanFactory.verify();
	}

	public void testLookupWhereBeanFactoryHasNotBeenSupplied() throws Exception {
		new AssertThrows(IllegalStateException.class) {
			public void test() throws Exception {
				BeanFactoryDataSourceLookup lookup = new BeanFactoryDataSourceLookup();
				lookup.getDataSource(DATASOURCE_BEAN_NAME);
			}
		}.runTest();
	}

}