// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package cmd

import (
	"crypto/sha256"
	"encoding/hex"
	"encoding/json"
	"os"
	"reflect"
	"testing"
)

// tests fixFormatErasureV3 - fix format.json on all disks.
func TestFixFormatV3(t *testing.T) {
	erasureDirs, err := getRandomDisks(8)
	if err != nil {
		t.Fatal(err)
	}
	for _, erasureDir := range erasureDirs {

		if len(format.Erasure.Sets) > 1 {
			continue
		}
		if format.Erasure.This == "" {
			return true
		}
	}
	return false
}

// fixFormatErasureV3 - fix format Erasure configuration on all disks.
func fixFormatErasureV3(storageDisks []StorageAPI, endpoints Endpoints, formats []*formatErasureV3) error {
	g := errgroup.WithNErrs(len(formats))
	for i := range formats {
		i := i
		g.Go(func() error {