/*
* Copyright 2002-2015 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.test.context.support;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import org.junit.Test;
import org.springframework.context.annotation.Configuration;
import static org.junit.Assert.*;
import static org.springframework.test.context.support.AnnotationConfigContextLoaderUtils.*;
/**
* Unit tests for {@link AnnotationConfigContextLoaderUtils}.
*
* @author Sam Brannen
* @since 4.1.5
*/
public class AnnotationConfigContextLoaderUtilsTests {
@Test(expected = IllegalArgumentException.class)
public void detectDefaultConfigurationClassesWithNullDeclaringClass() {
detectDefaultConfigurationClasses(null);
}
@Test
public void detectDefaultConfigurationClassesWithoutConfigurationClass() {
Class<?>[] configClasses = detectDefaultConfigurationClasses(NoConfigTestCase.class);
assertNotNull(configClasses);
assertEquals(0, configClasses.length);
}
@Test
public void detectDefaultConfigurationClassesWithExplicitConfigurationAnnotation() {
Class<?>[] configClasses = detectDefaultConfigurationClasses(ExplicitConfigTestCase.class);
assertNotNull(configClasses);
assertArrayEquals(new Class<?>[] { ExplicitConfigTestCase.Config.class }, configClasses);
}
@Test
public void detectDefaultConfigurationClassesWithConfigurationMetaAnnotation() {
Class<?>[] configClasses = detectDefaultConfigurationClasses(MetaAnnotatedConfigTestCase.class);
assertNotNull(configClasses);
assertArrayEquals(new Class<?>[] { MetaAnnotatedConfigTestCase.Config.class }, configClasses);
}
private static class NoConfigTestCase {
}
private static class ExplicitConfigTestCase {
@Configuration
static class Config {
}
}
@Configuration
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.TYPE)
private static @interface MetaConfig {
}
private static class MetaAnnotatedConfigTestCase {
@MetaConfig
static class Config {
}
}
}