Spring 单元测试配置
增加相关依赖
增加扫描包目录
@Configuration
@ComponentScan("pr.iceworld.fernando.demospringtest")
public class ConfigComponentScan {
}
定义相关service或者component
// 此类定义组件注解
@Service
public class ServiceA {
public void doAction() {
System.out.println("serviceA.doAction()");
}
}
// 此类没有定义组件注解
public class ServiceB {
public void doAction() {
System.out.println("serviceB.doAction()");
}
}
增加测试额外配置文件 如 spring-conf.xml
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd ">
@RunWith(SpringJUnit4ClassRunner.class)
// 增加单元测试额外配置文件
@ContextConfiguration(locations = {"classpath:spring-conf.xml"})
public class TestBase {
@Autowired
ServiceB serviceB;
@Test
public void doAction() {
AnnotationConfigApplicationContext annotationConfigApplicationContext = new AnnotationConfigApplicationContext(ConfigComponentScan.class);
ServiceA serviceA = annotationConfigApplicationContext.getBean(ServiceA.class);
serviceA.doAction();
serviceB.doAction();
}
}
serviceA.doAction()
serviceB.doAction()
那有什么方法可以让component scan 与 xml 配置在测试中同时加载，而不需要其中一个从ApplicationContext 中显示获取，使用 @ContextHierarchy
package org.springframework.test.context;
// ...
/**
* ...
* This annotation may be used as a meta-annotation to create custom composed annotations.
* ...
*/
@Target(ElementType.TYPE)
@Retention(RetentionPolicy.RUNTIME)
@Documented
@Inherited
public @interface ContextHierarchy {
/**
* A list of {@link ContextConfiguration @ContextConfiguration} instances,
* each of which defines a level in the context hierarchy.
*
If you need to merge or override the configuration for a given level
* of the context hierarchy within a test class hierarchy, you must explicitly
* name that level by supplying the same value to the {@link ContextConfiguration#name
* name} attribute in {@code @ContextConfiguration} at each level in the
* class hierarchy. See the class-level Javadoc for examples.
*/
ContextConfiguration[] value();
}
@RunWith(SpringJUnit4ClassRunner.class)
@ContextHierarchy(
value = {
@ContextConfiguration(
classes = ConfigComponentScan.class
),
@ContextConfiguration(
locations = {"classpath:spring-conf.xml"}
)
}
)
public class TestBase {
@Autowired
ServiceB serviceB;
@Autowired
ServiceA serviceA;
@Test
public void doAction() {
serviceA.doAction();
serviceB.doAction();
}
}
正常输出结果
serviceA.doAction()
serviceB.doAction()
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