Spring boot application-test.properties不在被测试组件内初始化

Question

我正在为一个从application.properties中获取值的组件编写测试。

在测试本身中，从application-test.properies中正确提取值。我使用了@testpropertysource(locations=“classpath：application-test.properties”）

然而，在测试的类中，这些值不会被拾取，并且是空值。

测试：

@RunWith(SpringJUnit4ClassRunner.class)
@TestPropertySource(locations = "classpath:application-test.properties")
public class ArtifactAssociationHandlerTest {

private InputStream inputStreamMock;
private ArtifactEntity artifactMock;
private ArtifactDeliveriesRequestDto requestDto;
@Value("${sdc.be.endpoint}")
private String sdcBeEndpoint;
@Value("${sdc.be.protocol}")
private String sdcBeProtocol;
@Value("${sdc.be.external.user}")
private String sdcUser;
@Value("${sdc.be.external.password}")
private String sdcPassword;

@Mock
private RestTemplate restClientMock;

@Mock
private RestTemplateBuilder builder;

@InjectMocks
private ArtifactAssociationService associationService;

@Before
public void setUp() throws IOException {
    inputStreamMock = IOUtils.toInputStream("some test data for my input stream", "UTF-8");
    artifactMock = new ArtifactEntity(FILE_NAME, inputStreamMock);
    requestDto = new ArtifactDeliveriesRequestDto("POST",END_POINT);
    MockitoAnnotations.initMocks(this);
    associationService = Mockito.spy(new ArtifactAssociationService(builder));
    associationService.setRestClient(restClientMock);
}

测试的组件：

@Component("ArtifactAssociationHandler")
public class ArtifactAssociationService {

@Value("${sdc.be.endpoint}")
private String sdcBeEndpoint;
@Value("${sdc.be.protocol}")
private String sdcBeProtocol;
@Value("${sdc.be.external.user}")
private String sdcUser;
@Value("${sdc.be.external.password}")
private String sdcPassword;

private RestTemplate restClient;

@Autowired
public ArtifactAssociationService(RestTemplateBuilder builder) {
    this.restClient = builder.build();
}

 void setRestClient(RestTemplate restClient){
    this.restClient = restClient;
}

如何使用application-test.properties正确地测试它？

Answer 1

您的setup方法正在创建ArtifactAssociationService的实例。这意味着它不是一个Spring bean，因此不执行任何依赖项注入。这包括注入到用@value注释的字段中。

如果您希望@value-注释字段注入它们的值，您必须使ArtifactAssociationService实例成为bean，例如通过在@configuration类中使用@bean方法创建它。