w.Header().Set(xMinIOErrCodeHeader, err.Code)
	w.Header().Set(xMinIOErrDescHeader, "\""+err.Description+"\"")
	writeResponse(w, err.HTTPStatusCode, nil, mimeNone)
}

func writeErrorResponseString(ctx context.Context, w http.ResponseWriter, err APIError, reqURL *url.URL) {
	// Generate string error response.
	writeResponse(w, err.HTTPStatusCode, []byte(err.Description), mimeNone)
}

	if entity == "" {
		return toAPIError(ctx, fmt.Errorf("error exporting %s with: %w", fname, err))
	}
	return toAPIError(ctx, fmt.Errorf("error exporting %s from %s with: %w", entity, fname, err))
}

// wraps import error for more context
func importError(ctx context.Context, err error, fname, entity string) APIError {
	if entity == "" {

		t.Fatalf("no error should happen when migrate scanner, valuer struct, got error %v", err)
	}

	data := SerializerStruct{}

	if err := DB.Create(&data).Error; err != nil {
		t.Fatalf("failed to create data, got error %v", err)
	}

	var result SerializerStruct
	if err := DB.First(&result, data.ID).Error; err != nil {
		t.Fatalf("failed to query data, got error %v", err)
	}

			{AssociationEmptyUserID: &id, Name: "foo"},
		},
	}

	err := DB.Session(&gorm.Session{FullSaveAssociations: true}).Create(&user).Error
	if err != nil {
		t.Fatalf("Failed to create, got error: %v", err)
	}

	var result AssociationEmptyUser
	err = DB.Preload("Pets").First(&result, &id).Error
	if err != nil {
		t.Fatalf("Failed to find, got error: %v", err)
	}

	AssertEqual(t, result, user)

	err := obj.MakeBucket(context.Background(), "string", MakeBucketOptions{})
	if err != nil {
		t.Fatalf("%s: <ERROR> %s", instanceType, err)
	}
	err = obj.MakeBucket(context.Background(), "string", MakeBucketOptions{})
	if err == nil {
		t.Fatalf("%s: Expected error but found nil.", instanceType)
	}

	if err.Error() != "Bucket exists: string" {

					t.Errorf("error loading index: %v", err)
				}
				t.Log("size:", len(idx))
				t.Log(string(index.JSON()))
				if index.TotalUncompressed != int64(len(tt.data)) {
					t.Errorf("Expected size %d, got %d", len(tt.data), index.TotalUncompressed)
				}
			}
			var stdBuf bytes.Buffer
			w := s2.NewWriter(&stdBuf)
			_, err = io.CopyBuffer(w, bytes.NewReader(tt.data), buf)
			if err != nil {
				t.Fatal(err)
			}

		t.Fatalf("failed to create data from map, got error: %v", err)
	}

	var result User
	if err := DB.Where("name = ?", "create_from_map").First(&result).Error; err != nil || result.Age != 18 {
		t.Fatalf("failed to create from map, got error %v", err)
	}

	if err := DB.Model(&User{}).Create(map[string]interface{}{"name": "create_from_map_1", "age": 18}).Error; err != nil {

			}
			r.err = err
			return err
		}

		var err error
		var meta metaCacheEntry
		if meta.name, err = r.mr.ReadString(); err != nil {
			if err == io.EOF {
				err = io.ErrUnexpectedEOF
			}
			r.err = err
			return err
		}
		if meta.metadata, err = r.mr.ReadBytes(metaDataPoolGet()); err != nil {
			if err == io.EOF {
				err = io.ErrUnexpectedEOF
			}
			r.err = err

		t.Errorf("Should got no error when creating data, but got %v", err)
	}

	if err := DB.Model(&data).Update("password", EncryptedData("xnewpass")).Error; err == nil {
		t.Errorf("Should failed to update data with invalid data")
	}

	if err := DB.Model(&data).Update("password", EncryptedData("newpass")).Error; err != nil {
		t.Errorf("Should got no error update data with valid data, but got %v", err)
	}

		},
	}

	values := []*Value{&value1, &value2}
	if err := DB.Create(&values).Error; err != nil {
		t.Errorf("failed to create value, got err: %v", err)
	}

	var find1 Value
	err := DB.Joins("Nested").Joins("Nested.Join").Preload("Nested.Preloads").First(&find1, value1.ID).Error
	if err != nil {
		t.Errorf("failed to find value, got err: %v", err)
	}
	AssertEqual(t, find1, value1)

	var find2 Value