Spring整合Junit详解

1，整合Junit4

maven引入spring-test 和 junit4

            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-test</artifactId>
                <version>5.2.22.RELEASE</version>
            </dependency>            
            <dependency>
                <groupId>junit</groupId>
                <artifactId>junit</artifactId>
                <version>4.13</version>
                <scope>test</scope>
            </dependency>

在test目录下创建测试类

@RunWith(SpringJUnit4ClassRunner.class)  //启用Junit4
@ContextConfiguration("classpath:META-INF/context-junit.xml") //加载配置文件
public class SpringJunit4 {
    @Autowired
    private Machine machine;
    @Test
    public void test1() throws Exception {
        System.out.println(machine.getObject());
    }
}

2，整合Junit5

1，maven引入spring-test 和 junit5

JUnit 5 =JUnit Platform+JUnit Jupiter+JUnit Vintage

            <!-- junit 5 -->
            <dependency>
                <groupId>org.junit.jupiter</groupId>
                <artifactId>junit-jupiter</artifactId>
                <version>5.8.2</version>
                <scope>test</scope>
            </dependency>

2，在test目录下创建测试类

@ExtendWith(SpringExtension.class) //启用Junit5
@ContextConfiguration("classpath:META-INF/context-junit.xml") //加载配置文件
public class SpringJunit5 {
    @Autowired
    private Machine machine;
    @Test
    public void test1() throws Exception {
        System.out.println(machine.getObject());
    }
}

说明：在spring5中，可以用复合注解 @SpringJUnitConfig(locations = {"classpath:META-INF/context-junit.xml"}) 代替@ExtendWith(SpringExtension.class) 和@ContextConfiguration("classpath:META-INF/context-junit.xml")

//@ExtendWith(SpringExtension.class) //启用Junit5
//@ContextConfiguration("classpath:META-INF/context-junit.xml") //加载配置文件
@SpringJUnitConfig(locations = {"classpath:META-INF/context-junit.xml"})
public class SpringJunit5 {
    @Autowired
    private Machine machine;
    @Test
    public void test1() throws Exception {
        System.out.println(machine.getObject());
    }
}

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