Spring Framework example source code file (AnnotationBeanNameGeneratorTests.java)

This example Spring Framework source code file (AnnotationBeanNameGeneratorTests.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

annotatedbeandefinition, annotationbeannamegenerator, annotationbeannamegeneratortests, beandefinitionregistry, beandefinitionregistry, component, componentwithblankname, mockcontrol, mockcontrol, string, string, testcase, the, the

The Spring Framework AnnotationBeanNameGeneratorTests.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.context.annotation;

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

import org.springframework.beans.factory.annotation.AnnotatedBeanDefinition;
import org.springframework.beans.factory.annotation.AnnotatedGenericBeanDefinition;
import org.springframework.beans.factory.support.BeanDefinitionRegistry;
import org.springframework.stereotype.Component;
import org.springframework.util.StringUtils;

/**
 * @author Rick Evans
 * @author Juergen Hoeller
 * @author Mark Fisher
 */
public class AnnotationBeanNameGeneratorTests extends TestCase {

	private AnnotationBeanNameGenerator beanNameGenerator = new AnnotationBeanNameGenerator();


	public void testGenerateBeanNameWithNamedComponent() {
		MockControl control = MockControl.createControl(BeanDefinitionRegistry.class);
		BeanDefinitionRegistry registry = (BeanDefinitionRegistry) control.getMock();
		control.replay();

		AnnotatedBeanDefinition bd = new AnnotatedGenericBeanDefinition(ComponentWithName.class);
		String beanName = this.beanNameGenerator.generateBeanName(bd, registry);
		assertNotNull("The generated beanName must *never* be null.", beanName);
		assertTrue("The generated beanName must *never* be blank.", StringUtils.hasText(beanName));
		assertEquals("walden", beanName);

		control.verify();
	}

	public void testGenerateBeanNameWithDefaultNamedComponent() {
		MockControl control = MockControl.createControl(BeanDefinitionRegistry.class);
		BeanDefinitionRegistry registry = (BeanDefinitionRegistry) control.getMock();
		control.replay();

		AnnotatedBeanDefinition bd = new AnnotatedGenericBeanDefinition(DefaultNamedComponent.class);
		String beanName = this.beanNameGenerator.generateBeanName(bd, registry);
		assertNotNull("The generated beanName must *never* be null.", beanName);
		assertTrue("The generated beanName must *never* be blank.", StringUtils.hasText(beanName));
		assertEquals("thoreau", beanName);

		control.verify();
	}

	public void testGenerateBeanNameWithNamedComponentWhereTheNameIsBlank() {
		MockControl control = MockControl.createControl(BeanDefinitionRegistry.class);
		BeanDefinitionRegistry registry = (BeanDefinitionRegistry) control.getMock();
		control.replay();

		AnnotatedBeanDefinition bd = new AnnotatedGenericBeanDefinition(ComponentWithBlankName.class);
		String beanName = this.beanNameGenerator.generateBeanName(bd, registry);
		assertNotNull("The generated beanName must *never* be null.", beanName);
		assertTrue("The generated beanName must *never* be blank.", StringUtils.hasText(beanName));

		String expectedGeneratedBeanName = this.beanNameGenerator.buildDefaultBeanName(bd);

		assertEquals(expectedGeneratedBeanName, beanName);

		control.verify();
	}

	public void testGenerateBeanNameWithAnonymousComponentYieldsGeneratedBeanName() {
		MockControl control = MockControl.createControl(BeanDefinitionRegistry.class);
		BeanDefinitionRegistry registry = (BeanDefinitionRegistry) control.getMock();
		control.replay();

		AnnotatedBeanDefinition bd = new AnnotatedGenericBeanDefinition(AnonymousComponent.class);
		String beanName = this.beanNameGenerator.generateBeanName(bd, registry);
		assertNotNull("The generated beanName must *never* be null.", beanName);
		assertTrue("The generated beanName must *never* be blank.", StringUtils.hasText(beanName));

		String expectedGeneratedBeanName = this.beanNameGenerator.buildDefaultBeanName(bd);

		assertEquals(expectedGeneratedBeanName, beanName);

		control.verify();
	}


	@Component("walden")
	private static class ComponentWithName {
	}


	@Component(" ")
	private static class ComponentWithBlankName {
	}


	@Component
	private static class AnonymousComponent {
	}

}