}

	if err := tx.Where("name=?", "zzjin").Delete(&User{}).Error; err != nil {
		tx.Rollback()
		t.Errorf("Failed to run one transaction, got error %v\n", err)
	}

	if err := tx.Create(&User{Name: "zzjin"}).Error; err != nil {
		tx.Rollback()
		t.Errorf("Failed to run one transaction, got error %v\n", err)
	}

	if err := tx.Commit().Error; err != nil {

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

package cmd

import (
	"errors"
	"testing"
	"time"

	"github.com/google/uuid"
	"github.com/minio/minio/internal/bucket/lifecycle"
)

func (x xlMetaV2) listFreeVersions(volume, path string) ([]FileInfo, error) {
	fivs, err := x.ListVersions(volume, path, true)
	if err != nil {
		return nil, err
	}
	n := 0

    except yaml.YAMLError:
        raise HTTPException(status_code=422, detail="Invalid YAML")
    try:
        item = Item.parse_obj(data)
    except ValidationError as e:
        raise HTTPException(status_code=422, detail=e.errors())

        raise HTTPException(status_code=422, detail="Invalid YAML")
    try:
        item = Item.model_validate(data)
    except ValidationError as e:
        raise HTTPException(status_code=422, detail=e.errors(include_url=False))

	config.drivercache[tierName] = d

	return nil
}

// Remove removes tier if it is empty.
func (config *TierConfigMgr) Remove(ctx context.Context, tier string, force bool) error {
	d, err := config.getDriver(ctx, tier)
	if err != nil {
		if errors.Is(err, errTierNotFound) {
			return nil
		}
		return err
	}
	if !force {
		if inuse, err := d.InUse(ctx); err != nil {
			return err
		} else if inuse {

// extractHostPort - extracts host/port from many address formats
// such as, ":9000", "localhost:9000", "http://localhost:9000/"
func extractHostPort(hostAddr string) (string, string, error) {
	var addr, scheme string

	if hostAddr == "" {
		return "", "", errors.New("unable to process empty address")
	}

	// Simplify the work of url.Parse() and always send a url with

		clnt, err := minio.New(u.Host, opts)
		if err != nil {
			log.Println(fmt.Errorf("Error while initializing Minio client, %s", err))
			http.Error(w, err.Error(), http.StatusBadRequest)
			return
		}
		buckets, err := clnt.ListBuckets(r.Context())
		if err != nil {
			log.Println(fmt.Errorf("Error while listing buckets, %s", err))
			http.Error(w, err.Error(), http.StatusBadRequest)
			return
		}
		creds, _ := sts.Get()

	default:
		gridLogIf(m.ctx, errors.New("output unblocked overflow"))
	}
}

func (m *muxServer) ping(seq uint32) pongMsg {
	if !m.checkSeq(seq) {
		msg := fmt.Sprintf("receive sequence number mismatch. want %d, got %d", m.RecvSeq, seq)
		return pongMsg{Err: &msg}
	}
	select {
	case <-m.ctx.Done():
		err := context.Cause(m.ctx).Error()
		return pongMsg{Err: &err}
	default:

			parser.lineNum++
			if !parser.pseudo(test.pseudo, tokenize(test.operands)) {
				t.Fatalf("Wrong pseudo-instruction: %s", test.pseudo)
			}
			errorLine := buf.String()
			if test.expected != errorLine {
				t.Errorf("Unexpected error %q; expected %q", errorLine, test.expected)
			}
			buf.Reset()
		}
	}

}

func doCheckPet(t *testing.T, pet Pet, expect Pet, unscoped bool) {
	if pet.ID != 0 {
		var newPet Pet
		if err := db(unscoped).Where("id = ?", pet.ID).First(&newPet).Error; err != nil {
			t.Fatalf("errors happened when query: %v", err)
		} else {
			AssertObjEqual(t, newPet, pet, "ID", "CreatedAt", "UpdatedAt", "DeletedAt", "UserID", "Name")