diff --git a/spring-batch-core/src/test/java/org/springframework/batch/core/configuration/xml/AnnotationMethodResolverTests.java b/spring-batch-core/src/test/java/org/springframework/batch/core/configuration/xml/AnnotationMethodResolverTests.java new file mode 100644 index 000000000..0b50d9415 --- /dev/null +++ b/spring-batch-core/src/test/java/org/springframework/batch/core/configuration/xml/AnnotationMethodResolverTests.java @@ -0,0 +1,101 @@ +/* + * 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.batch.core.configuration.xml; + +import static org.junit.Assert.assertNotNull; +import static org.junit.Assert.assertNull; + +import java.lang.annotation.ElementType; +import java.lang.annotation.Retention; +import java.lang.annotation.RetentionPolicy; +import java.lang.annotation.Target; +import java.lang.reflect.Method; + +import org.junit.Test; +import org.springframework.batch.core.configuration.util.AnnotationMethodResolver; + +/** + * @author Mark Fisher + */ +public class AnnotationMethodResolverTests { + + @Test + public void singleAnnotation() { + AnnotationMethodResolver resolver = new AnnotationMethodResolver(TestAnnotation.class); + Method method = resolver.findMethod(SingleAnnotationTestBean.class); + assertNotNull(method); + } + + @Test(expected = IllegalArgumentException.class) + public void multipleAnnotations() { + AnnotationMethodResolver resolver = new AnnotationMethodResolver(TestAnnotation.class); + resolver.findMethod(MultipleAnnotationTestBean.class); + } + + @Test + public void noAnnotations() { + AnnotationMethodResolver resolver = new AnnotationMethodResolver(TestAnnotation.class); + Method method = resolver.findMethod(NoAnnotationTestBean.class); + assertNull(method); + } + + + @Target(ElementType.METHOD) + @Retention(RetentionPolicy.RUNTIME) + private static @interface TestAnnotation { + } + + + private static class SingleAnnotationTestBean { + + @TestAnnotation + public String upperCase(String s) { + return s.toUpperCase(); + } + + public String lowerCase(String s) { + return s.toLowerCase(); + } + } + + + private static class MultipleAnnotationTestBean { + + @TestAnnotation + public String upperCase(String s) { + return s.toUpperCase(); + } + + @TestAnnotation + public String lowerCase(String s) { + return s.toLowerCase(); + } + } + + + private static class NoAnnotationTestBean { + + public String upperCase(String s) { + return s.toUpperCase(); + } + + String lowerCase(String s) { + return s.toLowerCase(); + } + } + +}