/*
* Copyright 2002-2013 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.beans.factory.config;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;
import org.springframework.beans.FatalBeanException;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.NoSuchBeanDefinitionException;
import org.springframework.beans.factory.support.DefaultListableBeanFactory;
import org.springframework.core.NestedCheckedException;
import org.springframework.core.NestedRuntimeException;
import static org.junit.Assert.*;
import static org.mockito.BDDMockito.*;
import static org.springframework.beans.factory.support.BeanDefinitionBuilder.*;
/**
* Unit tests for {@link ServiceLocatorFactoryBean}.
*
* @author Colin Sampaleanu
* @author Rick Evans
* @author Chris Beams
*/
public class ServiceLocatorFactoryBeanTests {
private DefaultListableBeanFactory bf;
@Before
public void setUp() {
bf = new DefaultListableBeanFactory();
}
@Test
public void testNoArgGetter() {
bf.registerBeanDefinition("testService", genericBeanDefinition(TestService.class).getBeanDefinition());
bf.registerBeanDefinition("factory",
genericBeanDefinition(ServiceLocatorFactoryBean.class)
.addPropertyValue("serviceLocatorInterface", TestServiceLocator.class)
.getBeanDefinition());
TestServiceLocator factory = (TestServiceLocator) bf.getBean("factory");
TestService testService = factory.getTestService();
assertNotNull(testService);
}
@Test
public void testErrorOnTooManyOrTooFew() throws Exception {
bf.registerBeanDefinition("testService", genericBeanDefinition(TestService.class).getBeanDefinition());
bf.registerBeanDefinition("testServiceInstance2", genericBeanDefinition(TestService.class).getBeanDefinition());
bf.registerBeanDefinition("factory",
genericBeanDefinition(ServiceLocatorFactoryBean.class)
.addPropertyValue("serviceLocatorInterface", TestServiceLocator.class)
.getBeanDefinition());
bf.registerBeanDefinition("factory2",
genericBeanDefinition(ServiceLocatorFactoryBean.class)
.addPropertyValue("serviceLocatorInterface", TestServiceLocator2.class)
.getBeanDefinition());
bf.registerBeanDefinition("factory3",
genericBeanDefinition(ServiceLocatorFactoryBean.class)
.addPropertyValue("serviceLocatorInterface", TestService2Locator.class)
.getBeanDefinition());
try {
TestServiceLocator factory = (TestServiceLocator) bf.getBean("factory");
factory.getTestService();
fail("Must fail on more than one matching type");
}
catch (NoSuchBeanDefinitionException ex) { /* expected */ }
try {
TestServiceLocator2 factory = (TestServiceLocator2) bf.getBean("factory2");
factory.getTestService(null);
fail("Must fail on more than one matching type");
}
catch (NoSuchBeanDefinitionException ex) { /* expected */ }
try {
TestService2Locator factory = (TestService2Locator) bf.getBean("factory3");
factory.getTestService();
fail("Must fail on no matching types");
}
catch (NoSuchBeanDefinitionException ex) { /* expected */ }
}
@Test
public void testErrorOnTooManyOrTooFewWithCustomServiceLocatorException() {
bf.registerBeanDefinition("testService", genericBeanDefinition(TestService.class).getBeanDefinition());
bf.registerBeanDefinition("testServiceInstance2", genericBeanDefinition(TestService.class).getBeanDefinition());
bf.registerBeanDefinition("factory",
genericBeanDefinition(ServiceLocatorFactoryBean.class)
.addPropertyValue("serviceLocatorInterface", TestServiceLocator.class)
.addPropertyValue("serviceLocatorExceptionClass", CustomServiceLocatorException1.class)
.getBeanDefinition());
bf.registerBeanDefinition("factory2",
genericBeanDefinition(ServiceLocatorFactoryBean.class)
.addPropertyValue("serviceLocatorInterface", TestServiceLocator2.class)
.addPropertyValue("serviceLocatorExceptionClass", CustomServiceLocatorException2.class)
.getBeanDefinition());
bf.registerBeanDefinition("factory3",
genericBeanDefinition(ServiceLocatorFactoryBean.class)
.addPropertyValue("serviceLocatorInterface", TestService2Locator.class)
.addPropertyValue("serviceLocatorExceptionClass", CustomServiceLocatorException3.class)
.getBeanDefinition());
try {
TestServiceLocator factory = (TestServiceLocator) bf.getBean("factory");
factory.getTestService();
fail("Must fail on more than one matching type");
}
catch (CustomServiceLocatorException1 expected) {
assertTrue(expected.getCause() instanceof NoSuchBeanDefinitionException);
}
try {
TestServiceLocator2 factory2 = (TestServiceLocator2) bf.getBean("factory2");
factory2.getTestService(null);
fail("Must fail on more than one matching type");
}
catch (CustomServiceLocatorException2 expected) {
assertTrue(expected.getCause() instanceof NoSuchBeanDefinitionException);
}
try {
TestService2Locator factory3 = (TestService2Locator) bf.getBean("factory3");
factory3.getTestService();
fail("Must fail on no matching type");
}
catch (CustomServiceLocatorException3 ex) { /* expected */ }
}
@Test
public void testStringArgGetter() throws Exception {
bf.registerBeanDefinition("testService", genericBeanDefinition(TestService.class).getBeanDefinition());
bf.registerBeanDefinition("factory",
genericBeanDefinition(ServiceLocatorFactoryBean.class)
.addPropertyValue("serviceLocatorInterface", TestServiceLocator2.class)
.getBeanDefinition());
// test string-arg getter with null id
TestServiceLocator2 factory = (TestServiceLocator2) bf.getBean("factory");
@SuppressWarnings("unused")
TestService testBean = factory.getTestService(null);
// now test with explicit id
testBean = factory.getTestService("testService");
// now verify failure on bad id
try {
factory.getTestService("bogusTestService");
fail("Illegal operation allowed");
}
catch (NoSuchBeanDefinitionException ex) { /* expected */ }
}
@Ignore @Test // worked when using an ApplicationContext (see commented), fails when using BeanFactory
public void testCombinedLocatorInterface() {
bf.registerBeanDefinition("testService", genericBeanDefinition(TestService.class).getBeanDefinition());
bf.registerAlias("testService", "1");
bf.registerBeanDefinition("factory",
genericBeanDefinition(ServiceLocatorFactoryBean.class)
.addPropertyValue("serviceLocatorInterface", TestServiceLocator3.class)
.getBeanDefinition());
// StaticApplicationContext ctx = new StaticApplicationContext();
// ctx.registerPrototype("testService", TestService.class, new MutablePropertyValues());
// ctx.registerAlias("testService", "1");
// MutablePropertyValues mpv = new MutablePropertyValues();
// mpv.addPropertyValue("serviceLocatorInterface", TestServiceLocator3.class);
// ctx.registerSingleton("factory", ServiceLocatorFactoryBean.class, mpv);
// ctx.refresh();
TestServiceLocator3 factory = (TestServiceLocator3) bf.getBean("factory");
TestService testBean1 = factory.getTestService();
TestService testBean2 = factory.getTestService("testService");
TestService testBean3 = factory.getTestService(1);
TestService testBean4 = factory.someFactoryMethod();
assertNotSame(testBean1, testBean2);
assertNotSame(testBean1, testBean3);
assertNotSame(testBean1, testBean4);
assertNotSame(testBean2, testBean3);
assertNotSame(testBean2, testBean4);
assertNotSame(testBean3, testBean4);
assertTrue(factory.toString().indexOf("TestServiceLocator3") != -1);
}
@Ignore @Test // worked when using an ApplicationContext (see commented), fails when using BeanFactory
public void testServiceMappings() {
bf.registerBeanDefinition("testService1", genericBeanDefinition(TestService.class).getBeanDefinition());
bf.registerBeanDefinition("testService2", genericBeanDefinition(ExtendedTestService.class).getBeanDefinition());
bf.registerBeanDefinition("factory",
genericBeanDefinition(ServiceLocatorFactoryBean.class)
.addPropertyValue("serviceLocatorInterface", TestServiceLocator3.class)
.addPropertyValue("serviceMappings", "=testService1\n1=testService1\n2=testService2")
.getBeanDefinition());
// StaticApplicationContext ctx = new StaticApplicationContext();
// ctx.registerPrototype("testService1", TestService.class, new MutablePropertyValues());
// ctx.registerPrototype("testService2", ExtendedTestService.class, new MutablePropertyValues());
// MutablePropertyValues mpv = new MutablePropertyValues();
// mpv.addPropertyValue("serviceLocatorInterface", TestServiceLocator3.class);
// mpv.addPropertyValue("serviceMappings", "=testService1\n1=testService1\n2=testService2");
// ctx.registerSingleton("factory", ServiceLocatorFactoryBean.class, mpv);
// ctx.refresh();
TestServiceLocator3 factory = (TestServiceLocator3) bf.getBean("factory");
TestService testBean1 = factory.getTestService();
TestService testBean2 = factory.getTestService("testService1");
TestService testBean3 = factory.getTestService(1);
TestService testBean4 = factory.getTestService(2);
assertNotSame(testBean1, testBean2);
assertNotSame(testBean1, testBean3);
assertNotSame(testBean1, testBean4);
assertNotSame(testBean2, testBean3);
assertNotSame(testBean2, testBean4);
assertNotSame(testBean3, testBean4);
assertFalse(testBean1 instanceof ExtendedTestService);
assertFalse(testBean2 instanceof ExtendedTestService);
assertFalse(testBean3 instanceof ExtendedTestService);
assertTrue(testBean4 instanceof ExtendedTestService);
}
@Test(expected = IllegalArgumentException.class)
public void testNoServiceLocatorInterfaceSupplied() throws Exception {
new ServiceLocatorFactoryBean().afterPropertiesSet();
}
@Test(expected = IllegalArgumentException.class)
public void testWhenServiceLocatorInterfaceIsNotAnInterfaceType() throws Exception {
ServiceLocatorFactoryBean factory = new ServiceLocatorFactoryBean();
factory.setServiceLocatorInterface(getClass());
factory.afterPropertiesSet();
// should throw, bad (non-interface-type) serviceLocator interface supplied
}
@Test(expected = IllegalArgumentException.class)
public void testWhenServiceLocatorExceptionClassToExceptionTypeWithOnlyNoArgCtor() throws Exception {
ServiceLocatorFactoryBean factory = new ServiceLocatorFactoryBean();
factory.setServiceLocatorExceptionClass(ExceptionClassWithOnlyZeroArgCtor.class);
// should throw, bad (invalid-Exception-type) serviceLocatorException class supplied
}
@Test(expected = IllegalArgumentException.class)
@SuppressWarnings("unchecked")
public void testWhenServiceLocatorExceptionClassIsNotAnExceptionSubclass() throws Exception {
ServiceLocatorFactoryBean factory = new ServiceLocatorFactoryBean();
factory.setServiceLocatorExceptionClass((Class) getClass());
// should throw, bad (non-Exception-type) serviceLocatorException class supplied
}
@Test(expected = UnsupportedOperationException.class)
public void testWhenServiceLocatorMethodCalledWithTooManyParameters() throws Exception {
ServiceLocatorFactoryBean factory = new ServiceLocatorFactoryBean();
factory.setServiceLocatorInterface(ServiceLocatorInterfaceWithExtraNonCompliantMethod.class);
factory.afterPropertiesSet();
ServiceLocatorInterfaceWithExtraNonCompliantMethod locator = (ServiceLocatorInterfaceWithExtraNonCompliantMethod) factory.getObject();
locator.getTestService("not", "allowed"); //bad method (too many args, doesn't obey class contract)
}
@Test
public void testRequiresListableBeanFactoryAndChokesOnAnythingElse() throws Exception {
BeanFactory beanFactory = mock(BeanFactory.class);
try {
ServiceLocatorFactoryBean factory = new ServiceLocatorFactoryBean();
factory.setBeanFactory(beanFactory);
}
catch (FatalBeanException ex) {
// expected
}
}
public static class TestService {
}
public static class ExtendedTestService extends TestService {
}
public static class TestService2 {
}
public static interface TestServiceLocator {
TestService getTestService();
}
public static interface TestServiceLocator2 {
TestService getTestService(String id) throws CustomServiceLocatorException2;
}
public static interface TestServiceLocator3 {
TestService getTestService();
TestService getTestService(String id);
TestService getTestService(int id);
TestService someFactoryMethod();
}
public static interface TestService2Locator {
TestService2 getTestService() throws CustomServiceLocatorException3;
}
public static interface ServiceLocatorInterfaceWithExtraNonCompliantMethod {
TestService2 getTestService();
TestService2 getTestService(String serviceName, String defaultNotAllowedParameter);
}
@SuppressWarnings("serial")
public static class CustomServiceLocatorException1 extends NestedRuntimeException {
public CustomServiceLocatorException1(String message, Throwable cause) {
super(message, cause);
}
}
@SuppressWarnings("serial")
public static class CustomServiceLocatorException2 extends NestedCheckedException {
public CustomServiceLocatorException2(Throwable cause) {
super("", cause);
}
}
@SuppressWarnings("serial")
public static class CustomServiceLocatorException3 extends NestedCheckedException {
public CustomServiceLocatorException3(String message) {
super(message);
}
}
@SuppressWarnings("serial")
public static class ExceptionClassWithOnlyZeroArgCtor extends Exception {
}
}