annotationbeanwiringinforesolvertests.java

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/*
 * Copyright 2002-2006 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.beans.factory.annotation;

import junit.framework.TestCase;
import org.springframework.beans.factory.wiring.BeanWiringInfo;

/**
 * Unit tests for the AnnotationBeanWiringInfoResolver class.
 *
 * @author Rick Evans
 */
public final class AnnotationBeanWiringInfoResolverTests extends TestCase {

	public void testResolveWiringInfo() throws Exception {
		try {
			new AnnotationBeanWiringInfoResolver().resolveWiringInfo(null);
			fail("Must have thrown an IllegalArgumentException by this point (null argument).");
		}
		catch (IllegalArgumentException expected) {
		}
	}

	public void testResolveWiringInfoWithAnInstanceOfANonAnnotatedClass() throws Exception {
		AnnotationBeanWiringInfoResolver resolver = new AnnotationBeanWiringInfoResolver();
		BeanWiringInfo info = resolver.resolveWiringInfo("java.lang.String is not @Configurable");
		assertNull("Must be returning null for a non-@Configurable class instance", info);
	}

	public void testResolveWiringInfoWithAnInstanceOfAnAnnotatedClass() throws Exception {
		AnnotationBeanWiringInfoResolver resolver = new AnnotationBeanWiringInfoResolver();
		BeanWiringInfo info = resolver.resolveWiringInfo(new Soap());
		assertNotNull("Must *not* be returning null for a non-@Configurable class instance", info);
	}

	public void testResolveWiringInfoWithAnInstanceOfAnAnnotatedClassWithAutowiringTurnedOffExplicitly() throws Exception {
		AnnotationBeanWiringInfoResolver resolver = new AnnotationBeanWiringInfoResolver();
		BeanWiringInfo info = resolver.resolveWiringInfo(new WirelessSoap());
		assertNotNull("Must *not* be returning null for an @Configurable class instance even when autowiring is NO", info);
		assertFalse(info.indicatesAutowiring());
		assertEquals(WirelessSoap.class.getName(), info.getBeanName());
	}

	public void testResolveWiringInfoWithAnInstanceOfAnAnnotatedClassWithAutowiringTurnedOffExplicitlyAndCustomBeanName() throws Exception {
		AnnotationBeanWiringInfoResolver resolver = new AnnotationBeanWiringInfoResolver();
		BeanWiringInfo info = resolver.resolveWiringInfo(new NamedWirelessSoap());
		assertNotNull("Must *not* be returning null for an @Configurable class instance even when autowiring is NO", info);
		assertFalse(info.indicatesAutowiring());
		assertEquals("DerBigStick", info.getBeanName());
	}


	@Configurable()
	private static final class Soap {
	}

	@Configurable(autowire = Autowire.NO)
	private static final class WirelessSoap {
	}

	@Configurable(autowire = Autowire.NO, value = "DerBigStick")
	private static final class NamedWirelessSoap {
	}
	
}