spring学习12-使用junit4进行单元测试

 

pom.xml

    <?xml version="1.0" encoding="UTF-8"?>
    <project xmlns="http://maven.apache.org/POM/4.0.0"
             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
             xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
        <modelVersion>4.0.0</modelVersion>
     
        <groupId>com.geyao</groupId>
        <artifactId>spring01geyao</artifactId>
        <version>1.0-SNAPSHOT</version>
     
        <dependencies>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-context</artifactId>
                <version>4.3.13.RELEASE</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-test</artifactId>
                <version>4.3.13.RELEASE</version>
            </dependency>
            <dependency>
                <groupId>log4j</groupId>
                <artifactId>log4j</artifactId>
                <version>1.2.17</version>
            </dependency>
            <dependency>
                <groupId>junit</groupId>
                <artifactId>junit</artifactId>
                <version>4.12</version>
            </dependency>
     
        </dependencies>
     
    </project>

CompactDisc类

    package soundSystem;
     
     
    import org.springframework.stereotype.Component;
     
    @Component
    public class CompactDisc {
     
        public CompactDisc() {
            super();
            System.out.println("compactdisc无参构造方法");
        }
        public void play(){
            System.out.println("正在播放音乐....");
        }
    }

CDplay类

    package soundSystem;
     
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.stereotype.Component;
     
    @Component
    public class CDPlayer {
        private CompactDisc cd;
     
        public CDPlayer() {
            super();
            System.out.println("CDPlayer无参构造方法");
        }
    @Autowired
        public CDPlayer(CompactDisc cd) {
            this.cd = cd;
            System.out.println("CDPlayer有参构造方法");
        }
     
        public void play(){
            cd.play();
        }
    }

appconfig类

    package soundSystem;
     
    import org.springframework.context.annotation.ComponentScan;
    //spring注解类
    @ComponentScan
    public class Appconfig {
    }

apptest类

    package soundSystem;
     
    import org.junit.Test;
    import org.junit.runner.RunWith;
    import org.springframework.context.ApplicationContext;
    import org.springframework.context.annotation.AnnotationConfigApplicationContext;
    //@RunWith(SpringJunit4ClassRunner.class)
    //@ContextConfiguration(class=)
    public class AppTest {
        @Test
        public void testPlay(){
            ApplicationContext context=new AnnotationConfigApplicationContext(Appconfig.class);
            CDPlayer player=context.getBean(CDPlayer.class);
            player.play();
        }
    }

运行结果

    [INFO ] 2019-10-29 21:19:35,531 method:org.springframework.context.support.AbstractApplicationContext.prepareRefresh(AbstractApplicationContext.java:583)
    Refreshing org.springframework.context.annotation.AnnotationConfigApplicationContext@32709393: startup date [Tue Oct 29 21:19:35 CST 2019]; root of context hierarchy
    [DEBUG] 2019-10-29 21:19:35,565 method:org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:221)
    Creating shared instance of singleton bean 'org.springframework.context.annotation.internalConfigurationAnnotationProcessor'
    [DEBUG] 2019-10-29 21:19:35,566 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:449)
    Creating instance of bean 'org.springframework.context.annotation.internalConfigurationAnnotationProcessor'
    [DEBUG] 2019-10-29 21:19:35,602 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539)
    Eagerly caching bean 'org.springframework.context.annotation.internalConfigurationAnnotationProcessor' to allow for resolving potential circular references
    [DEBUG] 2019-10-29 21:19:35,609 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:485)
    Finished creating instance of bean 'org.springframework.context.annotation.internalConfigurationAnnotationProcessor'
    [DEBUG] 2019-10-29 21:19:35,717 method:org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:221)
    Creating shared instance of singleton bean 'org.springframework.context.annotation.internalAutowiredAnnotationProcessor'
    [DEBUG] 2019-10-29 21:19:35,718 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:449)
    Creating instance of bean 'org.springframework.context.annotation.internalAutowiredAnnotationProcessor'
    [DEBUG] 2019-10-29 21:19:35,720 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539)
    Eagerly caching bean 'org.springframework.context.annotation.internalAutowiredAnnotationProcessor' to allow for resolving potential circular references
    [DEBUG] 2019-10-29 21:19:35,772 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:485)
    Finished creating instance of bean 'org.springframework.context.annotation.internalAutowiredAnnotationProcessor'
    [DEBUG] 2019-10-29 21:19:35,773 method:org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:221)
    Creating shared instance of singleton bean 'org.springframework.context.annotation.internalRequiredAnnotationProcessor'
    [DEBUG] 2019-10-29 21:19:35,774 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:449)
    Creating instance of bean 'org.springframework.context.annotation.internalRequiredAnnotationProcessor'
    [DEBUG] 2019-10-29 21:19:35,775 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539)
    Eagerly caching bean 'org.springframework.context.annotation.internalRequiredAnnotationProcessor' to allow for resolving potential circular references
    [DEBUG] 2019-10-29 21:19:35,792 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:485)
    Finished creating instance of bean 'org.springframework.context.annotation.internalRequiredAnnotationProcessor'
    [DEBUG] 2019-10-29 21:19:35,806 method:org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:730)
    Pre-instantiating singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@124c278f: defining beans [org.springframework.context.annotation.internalConfigurationAnnotationProcessor,org.springframework.context.annotation.internalAutowiredAnnotationProcessor,org.springframework.context.annotation.internalRequiredAnnotationProcessor,org.springframework.context.event.internalEventListenerProcessor,org.springframework.context.event.internalEventListenerFactory,appconfig,CDPlayer,compactDisc]; root of factory hierarchy
    [DEBUG] 2019-10-29 21:19:35,806 method:org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:251)
    Returning cached instance of singleton bean 'org.springframework.context.annotation.internalConfigurationAnnotationProcessor'
    [DEBUG] 2019-10-29 21:19:35,807 method:org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:251)
    Returning cached instance of singleton bean 'org.springframework.context.annotation.internalAutowiredAnnotationProcessor'
    [DEBUG] 2019-10-29 21:19:35,810 method:org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:251)
    Returning cached instance of singleton bean 'org.springframework.context.annotation.internalRequiredAnnotationProcessor'
    [DEBUG] 2019-10-29 21:19:35,813 method:org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:221)
    Creating shared instance of singleton bean 'org.springframework.context.event.internalEventListenerProcessor'
    [DEBUG] 2019-10-29 21:19:35,815 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:449)
    Creating instance of bean 'org.springframework.context.event.internalEventListenerProcessor'
    [DEBUG] 2019-10-29 21:19:35,825 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539)
    Eagerly caching bean 'org.springframework.context.event.internalEventListenerProcessor' to allow for resolving potential circular references
    [DEBUG] 2019-10-29 21:19:35,834 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:485)
    Finished creating instance of bean 'org.springframework.context.event.internalEventListenerProcessor'
    [DEBUG] 2019-10-29 21:19:35,835 method:org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:221)
    Creating shared instance of singleton bean 'org.springframework.context.event.internalEventListenerFactory'
    [DEBUG] 2019-10-29 21:19:35,836 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:449)
    Creating instance of bean 'org.springframework.context.event.internalEventListenerFactory'
    [DEBUG] 2019-10-29 21:19:35,836 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539)
    Eagerly caching bean 'org.springframework.context.event.internalEventListenerFactory' to allow for resolving potential circular references
    [DEBUG] 2019-10-29 21:19:35,844 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:485)
    Finished creating instance of bean 'org.springframework.context.event.internalEventListenerFactory'
    [DEBUG] 2019-10-29 21:19:35,846 method:org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:221)
    Creating shared instance of singleton bean 'appconfig'
    [DEBUG] 2019-10-29 21:19:35,846 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:449)
    Creating instance of bean 'appconfig'
    [DEBUG] 2019-10-29 21:19:35,848 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539)
    Eagerly caching bean 'appconfig' to allow for resolving potential circular references
    [DEBUG] 2019-10-29 21:19:35,855 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:485)
    Finished creating instance of bean 'appconfig'
    [DEBUG] 2019-10-29 21:19:35,856 method:org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:221)
    Creating shared instance of singleton bean 'CDPlayer'
    [DEBUG] 2019-10-29 21:19:35,857 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:449)
    Creating instance of bean 'CDPlayer'
    [DEBUG] 2019-10-29 21:19:35,876 method:org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:221)
    Creating shared instance of singleton bean 'compactDisc'
    [DEBUG] 2019-10-29 21:19:35,877 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:449)
    Creating instance of bean 'compactDisc'
    compactdisc无参构造方法
    [DEBUG] 2019-10-29 21:19:35,878 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539)
    Eagerly caching bean 'compactDisc' to allow for resolving potential circular references
    [DEBUG] 2019-10-29 21:19:35,885 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:485)
    Finished creating instance of bean 'compactDisc'
    [DEBUG] 2019-10-29 21:19:35,886 method:org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:757)
    Autowiring by type from bean name 'CDPlayer' via constructor to bean named 'compactDisc'
    CDPlayer有参构造方法
    [DEBUG] 2019-10-29 21:19:35,889 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539)
    Eagerly caching bean 'CDPlayer' to allow for resolving potential circular references
    [DEBUG] 2019-10-29 21:19:35,891 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:485)
    Finished creating instance of bean 'CDPlayer'
    [DEBUG] 2019-10-29 21:19:35,891 method:org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:251)
    Returning cached instance of singleton bean 'compactDisc'
    [DEBUG] 2019-10-29 21:19:35,892 method:org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:251)
    Returning cached instance of singleton bean 'org.springframework.context.event.internalEventListenerFactory'
    [DEBUG] 2019-10-29 21:19:35,970 method:org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:251)
    Returning cached instance of singleton bean 'lifecycleProcessor'
    [DEBUG] 2019-10-29 21:19:35,980 method:org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:251)
    Returning cached instance of singleton bean 'CDPlayer'
    正在播放音乐....
     
    Process finished with exit code 0