c.Helper()
	ui, err := admClnt.GetUserInfo(ctx, accessKey)
	if err != nil {
		c.Fatalf("should be able to get user info: %v", err)
	}
	return ui
}

func (c *check) mustNotCreateIAMUser(ctx context.Context, admClnt *madmin.AdminClient) {
	c.Helper()
	randUser := mustGetUUID()
	randPass := mustGetUUID()

// admin-handler unit tests.
type adminErasureTestBed struct {
	erasureDirs []string
	objLayer    ObjectLayer
	router      *mux.Router
	done        context.CancelFunc
}

// prepareAdminErasureTestBed - helper function that setups a single-node
// Erasure backend for admin-handler tests.
func prepareAdminErasureTestBed(ctx context.Context) (*adminErasureTestBed, error) {
	ctx, cancel := context.WithCancel(ctx)

				noQuorum, err := refreshLock(ctx, dm.clnt, id, source, quorum)
				if err == nil && noQuorum {
					// Clean the lock locally and in remote nodes
					forceUnlock(ctx, dm.clnt, id)
					// Execute the caller lock loss callback
					if lockLossCallback != nil {
						lockLossCallback()
					}
					return
				}

				refreshTimer.Reset(dm.refreshInterval)
			}
		}
	}()
}

	}
	return nil
}

// CreateHeader adds a file to the zip archive using the provided [FileHeader]
// for the file metadata. [Writer] takes ownership of fh and may mutate
// its fields. The caller must not modify fh after calling [Writer.CreateHeader].
//
// This returns a [Writer] to which the file contents should be written.
// The file's contents must be written to the io.Writer before the next

		f = strings.TrimPrefix(filepath.ToSlash(f), filepath.ToSlash(trimString))
	}
	return filepath.FromSlash(f)
}

func getSource(level int) string {
	pc, file, lineNumber, ok := runtime.Caller(level)
	if ok {
		// Clean up the common prefixes
		file = trimTrace(file)
		_, funcName := filepath.Split(runtime.FuncForPC(pc).Name())
		return fmt.Sprintf("%v:%v:%v()", file, lineNumber, funcName)
	}

	_, err = readXLMetaNoData(bytes.NewReader(buf), int64(len(buf)))
	if err == nil {
		t.Fatal("expected error but returned success")
	}
}

func TestXLV2FormatData(t *testing.T) {
	failOnErr := func(err error) {
		t.Helper()
		if err != nil {
			t.Fatal(err)
		}
	}
	data := []byte("some object data")
	data2 := []byte("some other object data")

	xl := xlMetaV2{}
	fi := FileInfo{
		Volume:           "volume",

//     In this case, the caller has to decrypt the ETag first
//     before calling Format.
//     S3 clients expect that the ETag of an SSE-S3 encrypted
//     single-part object is equal to the object's content MD5.
//     Formatting the SSE-S3 ETag before decryption will result
//     in a random-looking ETag which an S3 client will not accept.
//
// Hence, a caller has to check:
//
//	if method == SSE-S3 {

//
// 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 cmd This file implements helper functions to validate AWS
// Signature Version '4' authorization header.
//
// This package provides comprehensive helpers for following signature
// types.
// - Based on Authorization header.

	if err != nil {
		return toStorageErr(err)
	}
	return toStorageErr(st.Results(func(in []byte) error {
		_, err := wr.Write(in)
		return err
	}))
}

// WalkDirHandler - remote caller to list files and folders in a requested directory path.
func (s *storageRESTServer) WalkDirHandler(ctx context.Context, payload []byte, _ <-chan []byte, out chan<- []byte) (gerr *grid.RemoteErr) {
	var opts WalkDirOptions

				return err
			}
		}
	}
	return nil
}

// sleepWatchInstall blocks until any file change for the binaries or config are detected.
// At that point, the func yields so the caller can recheck the validity of the install.
// If an error occurs or context is canceled, the function will return an error.
func (in *Installer) sleepWatchInstall(ctx context.Context, installedBinFiles sets.String) error {