用于集成测试的 AWS S3 Java Embedded Mock

Question

在互联网上搜索嵌入式 Java AWS S3 模拟的良好解决方案后，S3Ninja和S3Proxy似乎是最受欢迎的解决方案。

但是，似乎没有一种简单的方法可以以编程方式启动它们。放弃 S3Ninja 后，我尝试使用 S3Proxy 来完成，但效果不佳。

Maven 依赖项

<dependency>
    <groupId>org.gaul</groupId>
    <artifactId>s3proxy</artifactId>
    <version>${s3proxy.version}</version>
    <scope>test</scope>
</dependency>

代码

String endpoint = "http://127.0.0.1:8085";
URI uri = URI.create(endpoint);
Properties properties = new Properties();
properties.setProperty("s3proxy.authorization", "none");
properties.setProperty("s3proxy.endpoint", endpoint);
properties.setProperty("jclouds.provider", "filesystem");
properties.setProperty("jclouds.filesystem.basedir", "/tmp/s3proxy");

ContextBuilder builder = ContextBuilder
        .newBuilder("filesystem")
        .credentials("x", "x")
        .modules(ImmutableList.<Module>of(new SLF4JLoggingModule()))
        .overrides(properties);
BlobStoreContext context = builder.build(BlobStoreContext.class);
BlobStore blobStore = context.getBlobStore();

S3Proxy s3Proxy = S3Proxy.builder().awsAuthentication("x", "x").endpoint(uri).keyStore("", "").blobStore(blobStore).build();
s3Proxy.start();

BasicAWSCredentials awsCredentials = new BasicAWSCredentials("x", "x");

AmazonS3Client client = new AmazonS3Client(awsCredentials, new ClientConfiguration());
client.setEndpoint(endpoint);

// Should Throw AWS Client Exception as Bucket / Key does not exist!
GetObjectRequest objectRequest = new GetObjectRequest("bucket", "key");
S3Object object = client.getObject(objectRequest);

s3Proxy.stop();

例外

java.lang.NoSuchMethodError: com.google.gson.internal.bind.ReflectiveTypeAdapterFactory.<init>(Lcom/google/gson/internal/ConstructorConstructor;Lcom/google/gson/FieldNamingStrategy;Lcom/google/gson/internal/Excluder;)V

at org.jclouds.json.internal.DeserializationConstructorAndReflectiveTypeAdapterFactory.<init>(DeserializationConstructorAndReflectiveTypeAdapterFactory.java:116)
at org.jclouds.json.config.GsonModule.provideGson(GsonModule.java:129)

...

at org.jclouds.providers.config.BindProviderMetadataContextAndCredentials.backend(BindProviderMetadataContextAndCredentials.java:84)

...

at org.jclouds.ContextBuilder.build(ContextBuilder.java:581)

任何帮助都非常感谢。我确信这是许多与 AWS S3 交互的 Java 集成测试的重要要求。

Answer 1

只是评论一下原因是因为您的项目使用的是有冲突的 gson 版本。S3Proxy 的 dep 需要 gson 2.5。