/*
* Copyright 2012-2017 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.boot.autoconfigure;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.util.ArrayList;
import java.util.List;
import org.junit.Test;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.annotation.Configuration;
import org.springframework.util.ClassUtils;
import static org.assertj.core.api.Assertions.assertThat;
/**
* Tests for {@link ImportAutoConfiguration}.
*
* @author Phillip Webb
*/
public class ImportAutoConfigurationTests {
@Test
public void multipleAnnotationsShouldMergeCorrectly() {
assertThat(getImportedConfigBeans(Config.class)).containsExactly("ConfigA",
"ConfigB", "ConfigC", "ConfigD");
assertThat(getImportedConfigBeans(AnotherConfig.class)).containsExactly("ConfigA",
"ConfigB", "ConfigC", "ConfigD");
}
@Test
public void classesAsAnAlias() throws Exception {
assertThat(getImportedConfigBeans(AnotherConfigUsingClasses.class))
.containsExactly("ConfigA", "ConfigB", "ConfigC", "ConfigD");
}
@Test
public void excluding() throws Exception {
assertThat(getImportedConfigBeans(ExcludingConfig.class))
.containsExactly("ConfigA", "ConfigB", "ConfigD");
}
private List<String> getImportedConfigBeans(Class<?> config) {
AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(
config);
String shortName = ClassUtils.getShortName(ImportAutoConfigurationTests.class);
int beginIndex = shortName.length() + 1;
List<String> orderedConfigBeans = new ArrayList<>();
for (String bean : context.getBeanDefinitionNames()) {
if (bean.contains("$Config")) {
String shortBeanName = ClassUtils.getShortName(bean);
orderedConfigBeans.add(shortBeanName.substring(beginIndex));
}
}
context.close();
return orderedConfigBeans;
}
@ImportAutoConfiguration({ ConfigD.class, ConfigB.class })
@MetaImportAutoConfiguration
static class Config {
}
@MetaImportAutoConfiguration
@ImportAutoConfiguration({ ConfigB.class, ConfigD.class })
static class AnotherConfig {
}
@MetaImportAutoConfiguration
@ImportAutoConfiguration(classes = { ConfigB.class, ConfigD.class })
static class AnotherConfigUsingClasses {
}
@ImportAutoConfiguration(classes = { ConfigD.class,
ConfigB.class }, exclude = ConfigC.class)
@MetaImportAutoConfiguration
static class ExcludingConfig {
}
@Retention(RetentionPolicy.RUNTIME)
@ImportAutoConfiguration({ ConfigC.class, ConfigA.class })
@interface MetaImportAutoConfiguration {
}
@Configuration
static class ConfigA {
}
@Configuration
@AutoConfigureAfter(ConfigA.class)
static class ConfigB {
}
@Configuration
@AutoConfigureAfter(ConfigB.class)
static class ConfigC {
}
@Configuration
@AutoConfigureAfter(ConfigC.class)
static class ConfigD {
}
}