问题描述
编写测试的方法:
public class SampleClassA {
@Value("${aws.s3.bucket}")
private String bucketName;
public Object retrieveObject(String fileUUID) {
Object repodoc = new Object();
MetaData MetaData = getMetaData(fileUUID);
repodoc.setDocumentContent(retrieveFileFromS3(AppUtils.getKeyPath(MetaData.getPath(),bucketName,fileUUID)));
return repodoc;
}
}
AppUtils 方法:
public final class AppUtils {
public static String getKeyPath(String path,String bucketName,String fileUUID){
if(path.startsWith(bucketName)){
return (path.replace((bucketName+"/"),"")+"/"+fileUUID);
} else {
throw new Exception(ErrorCode.INVALID_PATH);
}
}
}
我的 JUnit:
@RunWith(MockitoJUnitRunner.class)
@SpringBoottest(classes = S3DocumentManagerImpl.class)
@EnableConfigurationProperties
@ActiveProfiles("test")
public class SampleClassATest {
@Value("${aws.s3.bucket}")
private String bucketName;
String fileUUID;
@Spy
SampleClassA sampleClassA1;
@InjectMocks
SampleClassA sampleClassA;
@BeforeEach
void setUp() {
}
@Before
public void setup() {
fileUUID = "TestFileUUID";
repoObj = new Object();
MetaData = new MetaData();
bucketName = "testBucket";
}
@Test
public void retrieveObjectSuccesstest() throws Exception {
MetaData = CreateObjectsForEntityStub.createMetaDataModel();
doReturn(MetaData).when(sampleClassA1).getMetaData(fileUUID);
when(repository.findById(fileUUID)).thenReturn(Optional.of(MetaData));
//Here Bucket Name has Value form application-test.properties
doReturn(null).when(sampleClassA1).retrieveFileFromS3(AppUtils.getKeyPath(MetaData.getPath(),fileUUID));
//When called from below bucketName is null
repoObj = sampleClassA.retrieveObject(fileUUID);
assertEquals(repoObj.getRepositoryDocumentId(),fileUUID);
}
}
当从 Mockito 调用时,bucketName 的值存在并从我的 applications-test.properties 中选取,而当从测试中调用实际方法时,bucketName 为空。这导致我的测试在到达 AppUtils.getKeyPath() 时因空指针异常而失败。如何修复此单元测试?
解决方法
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