如何在使用@RunWith和@ContextConfiguration注释的jUnit测试中访问Spring上下文？

发布于 2024-08-24 17:29:16 字数 358 浏览 8 评论 0原文

我有以下测试类

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = {"/services-test-config.xml"})
public class MySericeTest {

  @Autowired
  MyService service;
...

}

是否可以通过其中一种方法以编程方式访问 services-test-config.xml ？喜欢：

ApplicationContext ctx = somehowGetContext();

原文

I have following test class

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = {"/services-test-config.xml"})
public class MySericeTest {

  @Autowired
  MyService service;
...

}

Is it possible to access services-test-config.xml programmatically in one of such methods? Like:

ApplicationContext ctx = somehowGetContext();

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岁吢 2024-08-31 17:29:16

这也很好用：

@Autowired
ApplicationContext context;

This works fine too:

@Autowired
ApplicationContext context;

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趴在窗边数星星i 2024-08-31 17:29:16

由于测试也将像 Spring bean 一样实例化，因此您只需要实现 ApplicationContextAware 接口：

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = {"/services-test-config.xml"})
public class MySericeTest implements ApplicationContextAware
{

  @Autowired
  MyService service;
...
    @Override
    public void setApplicationContext(ApplicationContext context)
            throws BeansException
    {
        // Do something with the context here
    }
}

对于非 xml 需求，您也可以这样做：

@RunWith(SpringJUnit4ClassRunner.class)
/* must provide some "root" for the app-context, use unit-test file name to the context is empty */
@ContextConfiguration(classes = MyUnitTestClass.class)
public class MyUnitTestClass implements ApplicationContextAware {

Since the tests will be instantiated like a Spring bean too, you just need to implement the ApplicationContextAware interface:

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = {"/services-test-config.xml"})
public class MySericeTest implements ApplicationContextAware
{

  @Autowired
  MyService service;
...
    @Override
    public void setApplicationContext(ApplicationContext context)
            throws BeansException
    {
        // Do something with the context here
    }
}

For non xml needs, you can also do this:

@RunWith(SpringJUnit4ClassRunner.class)
/* must provide some "root" for the app-context, use unit-test file name to the context is empty */
@ContextConfiguration(classes = MyUnitTestClass.class)
public class MyUnitTestClass implements ApplicationContextAware {

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萌能量女王 2024-08-31 17:29:16

如果您的测试类扩展了 Spring JUnit 类
（例如，AbstractTransactionalJUnit4SpringContextTests 或任何其他扩展 AbstractSpringContextTests 的类），您可以通过调用 getContext() 方法来访问应用上下文。
查看 org.springframework 包的 javadocs。测试。

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时间你老了 2024-08-31 17:29:16

可以使用 SpringClassRule 注入 ApplicationContext 类的实例
和 SpringMethodRule 规则。如果您想使用它可能会非常方便
另一个非 Spring 跑步者。这是一个例子：

@ContextConfiguration(classes = BeanConfiguration.class)
public static class SpringRuleUsage {

    @ClassRule
    public static final SpringClassRule springClassRule = new SpringClassRule();

    @Rule
    public final SpringMethodRule springMethodRule = new SpringMethodRule();

    @Autowired
    private ApplicationContext context;

    @Test
    public void shouldInjectContext() {
    }
}

It's possible to inject instance of ApplicationContext class by using SpringClassRule
and SpringMethodRule rules. It might be very handy if you would like to use
another non-Spring runners. Here's an example:

@ContextConfiguration(classes = BeanConfiguration.class)
public static class SpringRuleUsage {

    @ClassRule
    public static final SpringClassRule springClassRule = new SpringClassRule();

    @Rule
    public final SpringMethodRule springMethodRule = new SpringMethodRule();

    @Autowired
    private ApplicationContext context;

    @Test
    public void shouldInjectContext() {
    }
}

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(り薆情海 2024-08-31 17:29:16

创建了一篇与此问题相关的帖子，这确实有助于获得信心

尝试此链接了解更多详细信息

@Test
void TestBeanLaunch()
{
    context.run(it -> {
        /*
         * I can use assertThat to assert on the context
         * and check if the @Bean configured is present
         * (and unique)
         */
        assertThat(it).hasSingleBean(PracticeApplication.class);
        assertThat(it).hasSingleBean(PracticeApplication.TestBean.class);
        assertThat(it.getBean("BeanTest")).isInstanceOf(PracticeApplication.TestBean.class);
    });
}

Created one post related to this issue, this really helpful to gain confidence

Try this link for more details

@Test
void TestBeanLaunch()
{
    context.run(it -> {
        /*
         * I can use assertThat to assert on the context
         * and check if the @Bean configured is present
         * (and unique)
         */
        assertThat(it).hasSingleBean(PracticeApplication.class);
        assertThat(it).hasSingleBean(PracticeApplication.TestBean.class);
        assertThat(it.getBean("BeanTest")).isInstanceOf(PracticeApplication.TestBean.class);
    });
}

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