.withCannedACL(CannedAccessControlList.BucketOwnerFullControl);
            InitiateMultipartUploadResult initResponse = amazonS3Client.initiateMultipartUpload(initRequest);
            try {
                long filePosition = 0;
                long partSize = s3ConnectionProperties.getPartSize();

            getPartETag() >> Mock(PartETag)
        }

        when:
        client.put(Mock(InputStream), 12L, uri)
        then:
        1 * amazonS3Client.initiateMultipartUpload(*_) >> { args ->
            InitiateMultipartUploadRequest initiateMultipartUploadRequest = args[0]
            assert initiateMultipartUploadRequest.bucketName == bucketName

type Initiator Owner

// Owner - bucket owner/principal
type Owner struct {
	ID          string
	DisplayName string
}

// InitiateMultipartUploadResponse container for InitiateMultiPartUpload response, provides uploadID to start MultiPart upload
type InitiateMultipartUploadResponse struct {
	XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ InitiateMultipartUploadResult" json:"-"`