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/*
* Copyright 2002-2014 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 java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import example.scannable.DefaultNamedComponent;
import org.junit.Test;
import org.springframework.beans.factory.annotation.AnnotatedBeanDefinition;
import org.springframework.beans.factory.annotation.AnnotatedGenericBeanDefinition;
import org.springframework.beans.factory.support.BeanDefinitionRegistry;
import org.springframework.beans.factory.support.SimpleBeanDefinitionRegistry;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Controller;
import org.springframework.stereotype.Service;
import org.springframework.util.StringUtils;
import static org.junit.Assert.*;
/**
* Unit tests for {@link AnnotationBeanNameGenerator}.
*
* @author Rick Evans
* @author Juergen Hoeller
* @author Mark Fisher
* @author Chris Beams
* @author Sam Brannen
*/
public class AnnotationBeanNameGeneratorTests {
private AnnotationBeanNameGenerator beanNameGenerator = new AnnotationBeanNameGenerator();
@Test
public void generateBeanNameWithNamedComponent() {
BeanDefinitionRegistry registry = new SimpleBeanDefinitionRegistry();
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);
}
@Test
public void generateBeanNameWithDefaultNamedComponent() {
BeanDefinitionRegistry registry = new SimpleBeanDefinitionRegistry();
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);
}
@Test
public void generateBeanNameWithNamedComponentWhereTheNameIsBlank() {
BeanDefinitionRegistry registry = new SimpleBeanDefinitionRegistry();
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);
}
@Test
public void generateBeanNameWithAnonymousComponentYieldsGeneratedBeanName() {
BeanDefinitionRegistry registry = new SimpleBeanDefinitionRegistry();
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);
}
@Test
public void generateBeanNameFromMetaComponentWithStringValue() {
BeanDefinitionRegistry registry = new SimpleBeanDefinitionRegistry();
AnnotatedBeanDefinition bd = new AnnotatedGenericBeanDefinition(ComponentFromStringMeta.class);
String beanName = this.beanNameGenerator.generateBeanName(bd, registry);
assertEquals("henry", beanName);
}
@Test
public void generateBeanNameFromMetaComponentWithNonStringValue() {
BeanDefinitionRegistry registry = new SimpleBeanDefinitionRegistry();
AnnotatedBeanDefinition bd = new AnnotatedGenericBeanDefinition(ComponentFromNonStringMeta.class);
String beanName = this.beanNameGenerator.generateBeanName(bd, registry);
assertEquals("annotationBeanNameGeneratorTests.ComponentFromNonStringMeta", beanName);
}
/**
* @since 4.0.1
* @see https://jira.spring.io/browse/SPR-11360
*/
@Test
public void generateBeanNameFromComposedControllerAnnotationWithoutName() {
BeanDefinitionRegistry registry = new SimpleBeanDefinitionRegistry();
AnnotatedBeanDefinition bd = new AnnotatedGenericBeanDefinition(ComposedControllerAnnotationWithoutName.class);
String beanName = this.beanNameGenerator.generateBeanName(bd, registry);
String expectedGeneratedBeanName = this.beanNameGenerator.buildDefaultBeanName(bd);
assertEquals(expectedGeneratedBeanName, beanName);
}
/**
* @since 4.0.1
* @see https://jira.spring.io/browse/SPR-11360
*/
@Test
public void generateBeanNameFromComposedControllerAnnotationWithBlankName() {
BeanDefinitionRegistry registry = new SimpleBeanDefinitionRegistry();
AnnotatedBeanDefinition bd = new AnnotatedGenericBeanDefinition(ComposedControllerAnnotationWithBlankName.class);
String beanName = this.beanNameGenerator.generateBeanName(bd, registry);
String expectedGeneratedBeanName = this.beanNameGenerator.buildDefaultBeanName(bd);
assertEquals(expectedGeneratedBeanName, beanName);
}
/**
* @since 4.0.1
* @see https://jira.spring.io/browse/SPR-11360
*/
@Test
public void generateBeanNameFromComposedControllerAnnotationWithStringValue() {
BeanDefinitionRegistry registry = new SimpleBeanDefinitionRegistry();
AnnotatedBeanDefinition bd = new AnnotatedGenericBeanDefinition(
ComposedControllerAnnotationWithStringValue.class);
String beanName = this.beanNameGenerator.generateBeanName(bd, registry);
assertEquals("restController", beanName);
}
@Component("walden")
private static class ComponentWithName {
}
@Component(" ")
private static class ComponentWithBlankName {
}
@Component
private static class AnonymousComponent {
}
@Service("henry")
private static class ComponentFromStringMeta {
}
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.TYPE)
@Component
public @interface NonStringMetaComponent {
long value();
}
@NonStringMetaComponent(123)
private static class ComponentFromNonStringMeta {
}
/**
* @see org.springframework.web.bind.annotation.RestController
*/
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.TYPE)
@Controller
public static @interface TestRestController {
String value() default "";
}
@TestRestController
public static class ComposedControllerAnnotationWithoutName {
}
@TestRestController(" ")
public static class ComposedControllerAnnotationWithBlankName {
}
@TestRestController("restController")
public static class ComposedControllerAnnotationWithStringValue {
}
}
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