/*
* Copyright 2002-2013 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.configuration;
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.AnnotationConfigApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
import org.springframework.tests.sample.beans.TestBean;
import static org.hamcrest.CoreMatchers.*;
import static org.junit.Assert.*;
/**
* Tests that @Import may be used both as a locally declared and meta-declared
* annotation, that all declarations are processed, and that any local declaration
* is processed last.
*
* @author Chris Beams
* @since 3.1
*/
@SuppressWarnings("resource")
public class ImportAnnotationDetectionTests {
@Test
public void multipleMetaImportsAreProcessed() {
AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext();
ctx.register(MultiMetaImportConfig.class);
ctx.refresh();
assertThat(ctx.containsBean("testBean1"), is(true));
assertThat(ctx.containsBean("testBean2"), is(true));
}
@Test
public void localAndMetaImportsAreProcessed() {
AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext();
ctx.register(MultiMetaImportConfigWithLocalImport.class);
ctx.refresh();
assertThat(ctx.containsBean("testBean1"), is(true));
assertThat(ctx.containsBean("testBean2"), is(true));
assertThat(ctx.containsBean("testBean3"), is(true));
}
@Test
public void localImportIsProcessedLast() {
AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext();
ctx.register(MultiMetaImportConfigWithLocalImportWithBeanOverride.class);
ctx.refresh();
assertThat(ctx.containsBean("testBean1"), is(true));
assertThat(ctx.containsBean("testBean2"), is(true));
assertThat(ctx.getBean("testBean2", TestBean.class).getName(), is("2a"));
}
@Test
public void importFromBean() throws Exception {
AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext();
ctx.register(ImportFromBean.class);
ctx.refresh();
assertThat(ctx.containsBean("importAnnotationDetectionTests.ImportFromBean"), is(true));
assertThat(ctx.containsBean("testBean1"), is(true));
assertThat(ctx.getBean("testBean1", TestBean.class).getName(), is("1"));
}
@Configuration
@MetaImport1
@MetaImport2
static class MultiMetaImportConfig {
}
@Configuration
@MetaImport1
@MetaImport2
@Import(Config3.class)
static class MultiMetaImportConfigWithLocalImport {
}
@Configuration
@MetaImport1
@MetaImport2
@Import(Config2a.class)
static class MultiMetaImportConfigWithLocalImportWithBeanOverride {
}
@Target(ElementType.TYPE)
@Retention(RetentionPolicy.RUNTIME)
@Import(Config1.class)
@interface MetaImport1 {
}
@Target(ElementType.TYPE)
@Retention(RetentionPolicy.RUNTIME)
@Import(Config2.class)
@interface MetaImport2 {
}
@Configuration
static class Config1 {
@Bean
TestBean testBean1() {
return new TestBean("1");
}
}
@Configuration
static class Config2 {
@Bean
TestBean testBean2() {
return new TestBean("2");
}
}
@Configuration
static class Config2a {
@Bean
TestBean testBean2() {
return new TestBean("2a");
}
}
@Configuration
static class Config3 {
@Bean
TestBean testBean3() {
return new TestBean("3");
}
}
@MetaImport1
static class ImportFromBean {
}
}