Spring Framework example source code file (MethodLocatingFactoryBeanTests.java)

This example Spring Framework source code file (MethodLocatingFactoryBeanTests.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

abstractscalarmocktemplate, beanfactory, beanfactory, beanfactoryscalarmocktemplate, beanfactoryscalarmocktemplate, bingo, exception, exception, method, methodlocatingfactorybean, methodlocatingfactorybean, object, reflection, string, testcase

The Spring Framework MethodLocatingFactoryBeanTests.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.aop.config;

import java.lang.reflect.Method;

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

import org.springframework.beans.factory.BeanFactory;
import org.springframework.mock.easymock.AbstractScalarMockTemplate;
import org.springframework.test.AssertThrows;

/**
 * @author Rick Evans
 */
public final class MethodLocatingFactoryBeanTests extends TestCase {

	private static final String BEAN_NAME = "string";


	public void testIsSingleton() throws Exception {
		MethodLocatingFactoryBean factory = new MethodLocatingFactoryBean();
		assertTrue(factory.isSingleton());
	}

	public void testGetObjectType() throws Exception {
		MethodLocatingFactoryBean factory = new MethodLocatingFactoryBean();
		assertEquals(Method.class, factory.getObjectType());
	}

	public void testWithNullTargetBeanName() throws Exception {
		new BeanFactoryScalarMockTemplate() {
			public void doTestInternal(final BeanFactory beanFactory) throws Exception {
				new AssertThrows(IllegalArgumentException.class) {
					public void test() throws Exception {
						MethodLocatingFactoryBean factory = new MethodLocatingFactoryBean();
						factory.setMethodName("toString()");
						factory.setBeanFactory(beanFactory);
					}
				}.runTest();
			}
		}.test();
	}

	public void testWithEmptyTargetBeanName() throws Exception {
		new BeanFactoryScalarMockTemplate() {
			public void doTestInternal(final BeanFactory beanFactory) throws Exception {
				new AssertThrows(IllegalArgumentException.class) {
					public void test() throws Exception {
						MethodLocatingFactoryBean factory = new MethodLocatingFactoryBean();
						factory.setTargetBeanName("");
						factory.setMethodName("toString()");
						factory.setBeanFactory(beanFactory);
					}
				}.runTest();
			}
		}.test();
	}

	public void testWithNullTargetMethodName() throws Exception {
		new BeanFactoryScalarMockTemplate() {
			public void doTestInternal(final BeanFactory beanFactory) throws Exception {
				new AssertThrows(IllegalArgumentException.class) {
					public void test() throws Exception {
						MethodLocatingFactoryBean factory = new MethodLocatingFactoryBean();
						factory.setTargetBeanName(BEAN_NAME);
						factory.setBeanFactory(beanFactory);
					}
				}.runTest();
			}
		}.test();
	}

	public void testWithEmptyTargetMethodName() throws Exception {
		new BeanFactoryScalarMockTemplate() {
			public void doTestInternal(final BeanFactory beanFactory) throws Exception {
				new AssertThrows(IllegalArgumentException.class) {
					public void test() throws Exception {
						MethodLocatingFactoryBean factory = new MethodLocatingFactoryBean();
						factory.setTargetBeanName(BEAN_NAME);
						factory.setMethodName("");
						factory.setBeanFactory(beanFactory);
					}
				}.runTest();
			}
		}.test();
	}

	public void testWhenTargetBeanClassCannotBeResolved() throws Exception {
		new BeanFactoryScalarMockTemplate() {
			protected void setupBeanFactoryExpectations(MockControl mockControl, BeanFactory beanFactory) throws Exception {
				beanFactory.getType(BEAN_NAME);
				mockControl.setReturnValue(null);
			}
			protected void doTestInternal(final BeanFactory beanFactory) throws Exception {
				new AssertThrows(IllegalArgumentException.class) {
					public void test() throws Exception {
						MethodLocatingFactoryBean factory = new MethodLocatingFactoryBean();
						factory.setTargetBeanName(BEAN_NAME);
						factory.setMethodName("toString()");
						factory.setBeanFactory(beanFactory);
					}
				}.runTest();
			}
		}.test();
	}

	public void testSunnyDayPath() throws Exception {
		new BeanFactoryScalarMockTemplate() {
			protected void setupBeanFactoryExpectations(MockControl mockControl, BeanFactory beanFactory) throws Exception {
				beanFactory.getType(BEAN_NAME);
				mockControl.setReturnValue(String.class);
			}
			protected void doTestInternal(final BeanFactory beanFactory) throws Exception {
				MethodLocatingFactoryBean factory = new MethodLocatingFactoryBean();
				factory.setTargetBeanName(BEAN_NAME);
				factory.setMethodName("toString()");
				factory.setBeanFactory(beanFactory);
				Object result = factory.getObject();
				assertNotNull(result);
				assertTrue(result instanceof Method);
				Method method = (Method) result;
				assertEquals("Bingo", method.invoke("Bingo", new Object[]{}));
			}
		}.test();
	}

	public void testWhereMethodCannotBeResolved() throws Exception {
		new BeanFactoryScalarMockTemplate() {
			protected void setupBeanFactoryExpectations(MockControl mockControl, BeanFactory beanFactory) throws Exception {
				beanFactory.getType(BEAN_NAME);
				mockControl.setReturnValue(String.class);
			}
			protected void doTestInternal(final BeanFactory beanFactory) throws Exception {
				new AssertThrows(IllegalArgumentException.class) {
					public void test() throws Exception {
						MethodLocatingFactoryBean factory = new MethodLocatingFactoryBean();
						factory.setTargetBeanName(BEAN_NAME);
						factory.setMethodName("loadOfOld()");
						factory.setBeanFactory(beanFactory);
					}
				}.runTest();
			}
		}.test();
	}


	private static abstract class BeanFactoryScalarMockTemplate extends AbstractScalarMockTemplate {

		public BeanFactoryScalarMockTemplate() {
			super(BeanFactory.class);
		}

		public void setupExpectations(MockControl mockControl, Object mockObject) throws Exception {
			setupBeanFactoryExpectations(mockControl, (BeanFactory) mockObject);
		}

		public void doTest(Object mockObject) throws Exception {
			doTestInternal((BeanFactory) mockObject);
		}

		protected void setupBeanFactoryExpectations(MockControl mockControl, BeanFactory beanFactory) throws Exception {
		}

		protected abstract void doTestInternal(final BeanFactory beanFactory) throws Exception;
	}

}