minio/cmd/gateway/gcs/gateway-gcs_test.go
Harshavardhana 069432566f update license change for MinIO
Signed-off-by: Harshavardhana <harsha@minio.io>
2021-04-23 11:58:53 -07:00

492 lines
17 KiB
Go

// Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package gcs
import (
"fmt"
"io/ioutil"
"os"
"path"
"reflect"
"testing"
"time"
"cloud.google.com/go/storage"
"google.golang.org/api/googleapi"
miniogo "github.com/minio/minio-go/v7"
minio "github.com/minio/minio/cmd"
)
func TestToGCSPageToken(t *testing.T) {
testCases := []struct {
Name string
Token string
}{
{
Name: "A",
Token: "CgFB",
},
{
Name: "AAAAAAAAAA",
Token: "CgpBQUFBQUFBQUFB",
},
{
Name: "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
Token: "CmRBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFB",
},
{
Name: "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
Token: "CpEDQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUE=",
},
{
Name: "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
Token: "CpIDQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFB",
},
{
Name: "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
Token: "CpMDQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQQ==",
},
{
Name: "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
Token: "CvQDQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUE=",
},
}
for i, testCase := range testCases {
if toGCSPageToken(testCase.Name) != testCase.Token {
t.Errorf("Test %d: Expected %s, got %s", i+1, toGCSPageToken(testCase.Name), testCase.Token)
}
}
}
// TestIsValidGCSProjectIDFormat tests isValidGCSProjectIDFormat
func TestValidGCSProjectIDFormat(t *testing.T) {
testCases := []struct {
ProjectID string
Valid bool
}{
{"", false},
{"a", false},
{"Abc", false},
{"1bcd", false},
// 5 chars
{"abcdb", false},
// 6 chars
{"abcdbz", true},
// 30 chars
{"project-id-1-project-id-more-1", true},
// 31 chars
{"project-id-1-project-id-more-11", false},
{"storage.googleapis.com", false},
{"http://storage.googleapis.com", false},
{"http://localhost:9000", false},
{"project-id-1", true},
{"project-id-1988832", true},
{"projectid1414", true},
}
for i, testCase := range testCases {
valid := isValidGCSProjectIDFormat(testCase.ProjectID)
if valid != testCase.Valid {
t.Errorf("Test %d: Expected %v, got %v", i+1, valid, testCase.Valid)
}
}
}
// Test for isGCSMarker.
func TestIsGCSMarker(t *testing.T) {
testCases := []struct {
marker string
expected bool
}{
{
marker: "{minio}gcs123",
expected: true,
},
{
marker: "{mini_no}tgcs123",
expected: false,
},
{
marker: "{minioagainnotgcs123",
expected: false,
},
{
marker: "obj1",
expected: false,
},
}
for i, tc := range testCases {
if actual := isGCSMarker(tc.marker); actual != tc.expected {
t.Errorf("Test %d: marker is %s, expected %v but got %v",
i+1, tc.marker, tc.expected, actual)
}
}
}
// Test for gcsMultipartMetaName.
func TestGCSMultipartMetaName(t *testing.T) {
uploadID := "a"
expected := path.Join(gcsMinioMultipartPathV1, uploadID, gcsMinioMultipartMeta)
got := gcsMultipartMetaName(uploadID)
if expected != got {
t.Errorf("expected: %s, got: %s", expected, got)
}
}
// Test for gcsMultipartDataName.
func TestGCSMultipartDataName(t *testing.T) {
var (
uploadID = "a"
etag = "b"
partNumber = 1
)
expected := path.Join(gcsMinioMultipartPathV1, uploadID, fmt.Sprintf("%05d.%s", partNumber, etag))
got := gcsMultipartDataName(uploadID, partNumber, etag)
if expected != got {
t.Errorf("expected: %s, got: %s", expected, got)
}
}
func TestFromMinioClientListBucketResultToV2Info(t *testing.T) {
listBucketResult := miniogo.ListBucketResult{
IsTruncated: false,
Marker: "testMarker",
NextMarker: "testMarker2",
CommonPrefixes: []miniogo.CommonPrefix{{Prefix: "one"}, {Prefix: "two"}},
Contents: []miniogo.ObjectInfo{{Key: "testobj", ContentType: ""}},
}
listBucketV2Info := minio.ListObjectsV2Info{
Prefixes: []string{"one", "two"},
Objects: []minio.ObjectInfo{{Name: "testobj", Bucket: "testbucket", UserDefined: map[string]string{"Content-Type": ""}}},
IsTruncated: false,
ContinuationToken: "testMarker",
NextContinuationToken: "testMarker2",
}
if got := minio.FromMinioClientListBucketResultToV2Info("testbucket", listBucketResult); !reflect.DeepEqual(got, listBucketV2Info) {
t.Errorf("fromMinioClientListBucketResultToV2Info() = %v, want %v", got, listBucketV2Info)
}
}
// Test for gcsParseProjectID
func TestGCSParseProjectID(t *testing.T) {
f, err := ioutil.TempFile("", "")
if err != nil {
t.Error(err)
return
}
defer os.Remove(f.Name())
defer f.Close()
contents := `
{
"type": "service_account",
"project_id": "miniotesting"
}
`
f.WriteString(contents)
projectID, err := gcsParseProjectID(f.Name())
if err != nil {
t.Fatal(err)
}
if projectID != "miniotesting" {
t.Errorf(`Expected projectID value to be "miniotesting"`)
}
if _, err = gcsParseProjectID("non-existent"); err == nil {
t.Errorf(`Expected to fail but succeeded reading "non-existent"`)
}
f.WriteString(`,}`)
if _, err := gcsParseProjectID(f.Name()); err == nil {
t.Errorf(`Expected to fail reading corrupted credentials file`)
}
}
func TestGCSToObjectError(t *testing.T) {
testCases := []struct {
params []string
gcsErr error
expectedErr error
}{
{
[]string{}, nil, nil,
},
{
[]string{}, fmt.Errorf("Not *Error"), fmt.Errorf("Not *Error"),
},
{
[]string{"bucket"},
fmt.Errorf("storage: bucket doesn't exist"),
minio.BucketNotFound{
Bucket: "bucket",
},
},
{
[]string{"bucket", "object"},
fmt.Errorf("storage: object doesn't exist"),
minio.ObjectNotFound{
Bucket: "bucket",
Object: "object",
},
},
{
[]string{"bucket", "object", "uploadID"},
fmt.Errorf("storage: object doesn't exist"),
minio.InvalidUploadID{
UploadID: "uploadID",
},
},
{
[]string{},
fmt.Errorf("Unknown error"),
fmt.Errorf("Unknown error"),
},
{
[]string{"bucket", "object"},
&googleapi.Error{
Message: "No list of errors",
},
&googleapi.Error{
Message: "No list of errors",
},
},
{
[]string{"bucket", "object"},
&googleapi.Error{
Errors: []googleapi.ErrorItem{{
Reason: "conflict",
Message: "You already own this bucket. Please select another name.",
}},
},
minio.BucketAlreadyOwnedByYou{
Bucket: "bucket",
},
},
{
[]string{"bucket", "object"},
&googleapi.Error{
Errors: []googleapi.ErrorItem{{
Reason: "conflict",
Message: "Sorry, that name is not available. Please try a different one.",
}},
},
minio.BucketAlreadyExists{
Bucket: "bucket",
},
},
{
[]string{"bucket", "object"},
&googleapi.Error{
Errors: []googleapi.ErrorItem{{
Reason: "conflict",
}},
},
minio.BucketNotEmpty{Bucket: "bucket"},
},
{
[]string{"bucket"},
&googleapi.Error{
Errors: []googleapi.ErrorItem{{
Reason: "notFound",
}},
},
minio.BucketNotFound{
Bucket: "bucket",
},
},
{
[]string{"bucket", "object"},
&googleapi.Error{
Errors: []googleapi.ErrorItem{{
Reason: "notFound",
}},
},
minio.ObjectNotFound{
Bucket: "bucket",
Object: "object",
},
},
{
[]string{"bucket"},
&googleapi.Error{
Errors: []googleapi.ErrorItem{{
Reason: "invalid",
}},
},
minio.BucketNameInvalid{
Bucket: "bucket",
},
},
{
[]string{"bucket", "object"},
&googleapi.Error{
Errors: []googleapi.ErrorItem{{
Reason: "forbidden",
}},
},
minio.PrefixAccessDenied{
Bucket: "bucket",
Object: "object",
},
},
{
[]string{"bucket", "object"},
&googleapi.Error{
Errors: []googleapi.ErrorItem{{
Reason: "keyInvalid",
}},
},
minio.PrefixAccessDenied{
Bucket: "bucket",
Object: "object",
},
},
{
[]string{"bucket", "object"},
&googleapi.Error{
Errors: []googleapi.ErrorItem{{
Reason: "required",
}},
},
minio.PrefixAccessDenied{
Bucket: "bucket",
Object: "object",
},
},
}
for i, testCase := range testCases {
actualErr := gcsToObjectError(testCase.gcsErr, testCase.params...)
if actualErr != nil {
if actualErr.Error() != testCase.expectedErr.Error() {
t.Errorf("Test %d: Expected %s, got %s", i+1, testCase.expectedErr, actualErr)
}
}
}
}
func TestS3MetaToGCSAttributes(t *testing.T) {
headers := map[string]string{
"accept-encoding": "gzip",
"content-encoding": "gzip",
"cache-control": "age: 3600",
"content-disposition": "dummy",
"content-type": "application/javascript",
"Content-Language": "en",
"X-Amz-Meta-Hdr": "value",
"X-Amz-Meta-X-Amz-Key": "hu3ZSqtqwn+aL4V2VhAeov4i+bG3KyCtRMSXQFRHXOk=",
"X-Amz-Meta-X-Amz-Matdesc": "{}",
"X-Amz-Meta-X-Amz-Iv": "eWmyryl8kq+EVnnsE7jpOg==",
}
// Only X-Amz-Meta- prefixed entries will be returned in
// Metadata (without the prefix!)
expectedHeaders := map[string]string{
"x-goog-meta-Hdr": "value",
"x-goog-meta-X-Amz-Key": "hu3ZSqtqwn+aL4V2VhAeov4i+bG3KyCtRMSXQFRHXOk=",
"x-goog-meta-X-Amz-Matdesc": "{}",
"x-goog-meta-X-Amz-Iv": "eWmyryl8kq+EVnnsE7jpOg==",
}
attrs := storage.ObjectAttrs{}
applyMetadataToGCSAttrs(headers, &attrs)
if !reflect.DeepEqual(attrs.Metadata, expectedHeaders) {
t.Fatalf("Test failed, expected %#v, got %#v", expectedHeaders, attrs.Metadata)
}
if attrs.CacheControl != headers["cache-control"] {
t.Fatalf("Test failed with Cache-Control mistmatch, expected %s, got %s", headers["cache-control"], attrs.CacheControl)
}
if attrs.ContentDisposition != headers["content-disposition"] {
t.Fatalf("Test failed with Content-Disposition mistmatch, expected %s, got %s", headers["content-disposition"], attrs.ContentDisposition)
}
if attrs.ContentEncoding != headers["content-encoding"] {
t.Fatalf("Test failed with Content-Encoding mistmatch, expected %s, got %s", headers["content-encoding"], attrs.ContentEncoding)
}
if attrs.ContentLanguage != headers["Content-Language"] {
t.Fatalf("Test failed with Content-Language mistmatch, expected %s, got %s", headers["Content-Language"], attrs.ContentLanguage)
}
if attrs.ContentType != headers["content-type"] {
t.Fatalf("Test failed with Content-Type mistmatch, expected %s, got %s", headers["content-type"], attrs.ContentType)
}
}
func TestGCSAttrsToObjectInfo(t *testing.T) {
metadata := map[string]string{
"x-goog-meta-Hdr": "value",
"x-goog-meta-x_amz_key": "hu3ZSqtqwn+aL4V2VhAeov4i+bG3KyCtRMSXQFRHXOk=",
"x-goog-meta-x-amz-matdesc": "{}",
"x-goog-meta-X-Amz-Iv": "eWmyryl8kq+EVnnsE7jpOg==",
}
expectedMeta := map[string]string{
"X-Amz-Meta-Hdr": "value",
"X-Amz-Meta-X_amz_key": "hu3ZSqtqwn+aL4V2VhAeov4i+bG3KyCtRMSXQFRHXOk=",
"X-Amz-Meta-X-Amz-Matdesc": "{}",
"X-Amz-Meta-X-Amz-Iv": "eWmyryl8kq+EVnnsE7jpOg==",
"Cache-Control": "max-age: 3600",
"Content-Disposition": "dummy",
"Content-Encoding": "gzip",
"Content-Language": "en",
"Content-Type": "application/javascript",
}
attrs := storage.ObjectAttrs{
Name: "test-obj",
Bucket: "test-bucket",
Updated: time.Now(),
Size: 123,
CRC32C: 45312398,
CacheControl: "max-age: 3600",
ContentDisposition: "dummy",
ContentEncoding: "gzip",
ContentLanguage: "en",
ContentType: "application/javascript",
Metadata: metadata,
}
expectedETag := minio.ToS3ETag(fmt.Sprintf("%d", attrs.CRC32C))
objInfo := fromGCSAttrsToObjectInfo(&attrs)
if !reflect.DeepEqual(objInfo.UserDefined, expectedMeta) {
t.Fatalf("Test failed, expected %#v, got %#v", expectedMeta, objInfo.UserDefined)
}
if objInfo.Name != attrs.Name {
t.Fatalf("Test failed with Name mistmatch, expected %s, got %s", attrs.Name, objInfo.Name)
}
if objInfo.Bucket != attrs.Bucket {
t.Fatalf("Test failed with Bucket mistmatch, expected %s, got %s", attrs.Bucket, objInfo.Bucket)
}
if !objInfo.ModTime.Equal(attrs.Updated) {
t.Fatalf("Test failed with ModTime mistmatch, expected %s, got %s", attrs.Updated, objInfo.ModTime)
}
if objInfo.Size != attrs.Size {
t.Fatalf("Test failed with Size mistmatch, expected %d, got %d", attrs.Size, objInfo.Size)
}
if objInfo.ETag != expectedETag {
t.Fatalf("Test failed with ETag mistmatch, expected %s, got %s", expectedETag, objInfo.ETag)
}
}