/*
* Copyright 2002-2009 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 static org.junit.Assert.*;
import org.junit.Test;
import org.springframework.beans.factory.parsing.BeanDefinitionParsingException;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ConfigurationClassParser;
import org.springframework.context.annotation.Import;
import test.beans.TestBean;
/**
* TCK-style unit tests for handling circular use of the {@link Import} annotation. Explore
* subclass hierarchy for specific concrete implementations.
*
* @author Chris Beams
*/
public abstract class AbstractCircularImportDetectionTests {
protected abstract ConfigurationClassParser newParser();
protected abstract String loadAsConfigurationSource(Class<?> clazz) throws Exception;
@Test
public void simpleCircularImportIsDetected() throws Exception {
boolean threw = false;
try {
newParser().parse(loadAsConfigurationSource(A.class), null);
} catch (BeanDefinitionParsingException ex) {
assertTrue("Wrong message. Got: " + ex.getMessage(),
ex.getMessage().contains(
"Illegal attempt by @Configuration class 'AbstractCircularImportDetectionTests.B' " +
"to import class 'AbstractCircularImportDetectionTests.A'"));
threw = true;
}
assertTrue(threw);
}
@Test
public void complexCircularImportIsDetected() throws Exception {
boolean threw = false;
try {
newParser().parse(loadAsConfigurationSource(X.class), null);
}
catch (BeanDefinitionParsingException ex) {
assertTrue("Wrong message. Got: " + ex.getMessage(),
ex.getMessage().contains(
"Illegal attempt by @Configuration class 'AbstractCircularImportDetectionTests.Z2' " +
"to import class 'AbstractCircularImportDetectionTests.Z'"));
threw = true;
}
assertTrue(threw);
}
@Configuration
@Import(B.class)
static class A {
@Bean
TestBean b1() {
return new TestBean();
}
}
@Configuration
@Import(A.class)
static class B {
@Bean
TestBean b2() {
return new TestBean();
}
}
@Configuration
@Import( { Y.class, Z.class })
class X {
@Bean
TestBean x() {
return new TestBean();
}
}
@Configuration
class Y {
@Bean
TestBean y() {
return new TestBean();
}
}
@Configuration
@Import( { Z1.class, Z2.class })
class Z {
@Bean
TestBean z() {
return new TestBean();
}
}
@Configuration
class Z1 {
@Bean
TestBean z1() {
return new TestBean();
}
}
@Configuration
@Import(Z.class)
class Z2 {
@Bean
TestBean z2() {
return new TestBean();
}
}
}