Don't forget to use `@RunWith(SpringRunner.class)` for dependency injection in test classes.

Mar 31, 2024#异常 #JavaWeb32

AI Translation

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AI-generated summary

The test class is missing dependency injection for ZsxqApi and is showing null when running. To fix this, add @RunWith(SpringRunner.class) to enable dependency injection and other functionalities during testing.

The test class below, at first glance, seems fine, but after running it, it keeps showing that ZsxqApi has not been injected and is null

@SpringBootTest
public class AppTest {
    @Value("${ChatBot-api.groupId}")
    private String groupId;

    @Value("${ChatBot-api.cookie}")
    private String cookie;

    @Autowired
    private ZsxqApi zsxqApi;

    @Test
    public void Test() throws IOException {
        zsxqApi.getWithoutCommentsTopics(groupId, cookie);
    }
}

Solution#

Add @RunWith(SpringRunner.class): Indicates that during testing, dependency injection and other functionalities can be performed

@RunWith(SpringRunner.class)
@SpringBootTest
public class AppTest {
  ……
}