/*
* 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.core.type;
import java.lang.annotation.Inherited;
import junit.framework.TestCase;
import org.springframework.core.type.classreading.MetadataReaderFactory;
import org.springframework.core.type.classreading.MetadataReader;
import org.springframework.core.type.classreading.SimpleMetadataReaderFactory;
import org.springframework.core.type.filter.AnnotationTypeFilter;
import org.springframework.stereotype.Component;
/**
* @author Ramnivas Laddad
* @author Juergen Hoeller
*/
public class AnnotationTypeFilterTests extends TestCase {
public void testDirectAnnotationMatch() throws Exception {
MetadataReaderFactory metadataReaderFactory = new SimpleMetadataReaderFactory();
String classUnderTest = "org.springframework.core.type.AnnotationTypeFilterTests$SomeComponent";
MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(classUnderTest);
AnnotationTypeFilter filter = new AnnotationTypeFilter(InheritedAnnotation.class);
assertTrue(filter.match(metadataReader, metadataReaderFactory));
ClassloadingAssertions.assertClassNotLoaded(classUnderTest);
}
public void testInheritedAnnotationFromInterfaceDoesNotMatch() throws Exception {
MetadataReaderFactory metadataReaderFactory = new SimpleMetadataReaderFactory();
String classUnderTest = "org.springframework.core.type.AnnotationTypeFilterTests$SomeSubClassOfSomeComponentInterface";
MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(classUnderTest);
AnnotationTypeFilter filter = new AnnotationTypeFilter(InheritedAnnotation.class);
// Must fail as annotation on interfaces should not be considered a match
assertFalse(filter.match(metadataReader, metadataReaderFactory));
ClassloadingAssertions.assertClassNotLoaded(classUnderTest);
}
public void testInheritedAnnotationFromBaseClassDoesMatch() throws Exception {
MetadataReaderFactory metadataReaderFactory = new SimpleMetadataReaderFactory();
String classUnderTest = "org.springframework.core.type.AnnotationTypeFilterTests$SomeSubClassOfSomeComponent";
MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(classUnderTest);
AnnotationTypeFilter filter = new AnnotationTypeFilter(InheritedAnnotation.class);
assertTrue(filter.match(metadataReader, metadataReaderFactory));
ClassloadingAssertions.assertClassNotLoaded(classUnderTest);
}
public void testNonInheritedAnnotationDoesNotMatch() throws Exception {
MetadataReaderFactory metadataReaderFactory = new SimpleMetadataReaderFactory();
String classUnderTest = "org.springframework.core.type.AnnotationTypeFilterTests$SomeSubclassOfSomeClassMarkedWithNonInheritedAnnotation";
MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(classUnderTest);
AnnotationTypeFilter filter = new AnnotationTypeFilter(NonInheritedAnnotation.class);
// Must fail as annotation isn't inherited
assertFalse(filter.match(metadataReader, metadataReaderFactory));
ClassloadingAssertions.assertClassNotLoaded(classUnderTest);
}
public void testNonAnnotatedClassDoesntMatch() throws Exception {
MetadataReaderFactory metadataReaderFactory = new SimpleMetadataReaderFactory();
String classUnderTest = "org.springframework.core.type.AnnotationTypeFilterTests$SomeNonCandidateClass";
MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(classUnderTest);
AnnotationTypeFilter filter = new AnnotationTypeFilter(Component.class);
assertFalse(filter.match(metadataReader, metadataReaderFactory));
ClassloadingAssertions.assertClassNotLoaded(classUnderTest);
}
// We must use a standalone set of types to ensure that no one else is loading them
// and interfering with ClassloadingAssertions.assertClassNotLoaded()
@Inherited
private static @interface InheritedAnnotation {
}
@InheritedAnnotation
private static class SomeComponent {
}
@InheritedAnnotation
private static interface SomeComponentInterface {
}
private static class SomeSubClassOfSomeComponentInterface implements SomeComponentInterface {
}
private static class SomeSubClassOfSomeComponent extends SomeComponent {
}
private static @interface NonInheritedAnnotation {
}
@NonInheritedAnnotation
private static class SomeClassMarkedWithNonInheritedAnnotation {
}
private static class SomeSubclassOfSomeClassMarkedWithNonInheritedAnnotation extends SomeClassMarkedWithNonInheritedAnnotation {
}
private static class SomeNonCandidateClass {
}
}