recorder := httptest.NewRecorder()
			request := httptest.NewRequest(http.MethodHead, "/bucket/a", bytes.NewReader([]byte{}))
			request.Header.Set(xhttp.IfNoneMatch, tc.ifNoneMatch)
			request.Header.Set(xhttp.IfModifiedSince, tc.ifModifiedSince)
			request.Header.Set(xhttp.IfMatch, tc.ifMatch)
			request.Header.Set(xhttp.IfUnmodifiedSince, tc.ifUnmodifiedSince)

		}
	}

	for _, objLock := range []string{
		xhttp.AmzObjectLockMode,
		xhttp.AmzObjectLockLegalHold,
		xhttp.AmzObjectLockRetainUntilDate,
	} {
		if values, ok := cloneHeader[objLock]; ok {
			args[strings.TrimPrefix(objLock, "X-Amz-")] = values
		}
		cloneHeader.Del(objLock)
	}

	for key, values := range cloneHeader {
		if strings.EqualFold(key, xhttp.AmzObjectTagging) {
			continue
		}

func setEventStreamHeaders(w http.ResponseWriter) {
	w.Header().Set(xhttp.ContentType, "text/event-stream")
	w.Header().Set(xhttp.CacheControl, "no-cache") // nginx to turn off buffering
	w.Header().Set("X-Accel-Buffering", "no")      // nginx to turn off buffering
}

// Write http common headers
func setCommonHeaders(w http.ResponseWriter) {
	// Set the "Server" http header.
	w.Header().Set(xhttp.ServerInfo, MinioStoreName)

		writeResponse(w, http.StatusServiceUnavailable, nil, mimeNone)
		return nil
	}

	if !globalBucketMetadataSys.Initialized() {
		w.Header().Set(xhttp.MinIOServerStatus, "bucket-metadata-offline")
		writeResponse(w, http.StatusServiceUnavailable, nil, mimeNone)
		return nil
	}

	if !globalIAMSys.Initialized() {
		w.Header().Set(xhttp.MinIOServerStatus, "iam-offline")

// verifies if any of the necessary query params are missing in the presigned request.
func doesV4PresignParamsExist(query url.Values) APIErrorCode {
	v4PresignQueryParams := []string{xhttp.AmzAlgorithm, xhttp.AmzCredential, xhttp.AmzSignature, xhttp.AmzDate, xhttp.AmzSignedHeaders, xhttp.AmzExpires}
	for _, v4PresignQueryParam := range v4PresignQueryParams {
		if _, ok := query[v4PresignQueryParam]; !ok {
			return ErrInvalidQueryParams
		}
	}

			objectName := "dummy-object"
			functionID := "lambda1"
			functionToken := "token123"

			// Lambda mock server
			lambdaServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
				w.Header().Set(xhttp.AmzRequestRoute, functionID)
				w.Header().Set(xhttp.AmzRequestToken, functionToken)

		{
			name: "several",
			arg: map[string]string{
				xhttp.AmzRestore:                 "FAILED",
				xhttp.ContentMD5:                 mustGetUUID(),
				xhttp.AmzBucketReplicationStatus: "PENDING",
				xhttp.ContentType:                "application/json",
			},
		},
		{
			name: "someempty",
			arg: map[string]string{
				xhttp.AmzRestore:                 "",
				xhttp.ContentMD5:                 mustGetUUID(),

		},
	}
	return eventData, nil
}

func fwdHeadersToS3(h http.Header, w http.ResponseWriter) {
	const trim = "x-amz-fwd-header-"
	for k, v := range h {
		if stringsHasPrefixFold(k, trim) {
			w.Header()[k[len(trim):]] = v
		}
	}
}

func fwdStatusToAPIError(statusCode int, resp *http.Response) *APIError {
	if statusCode < http.StatusBadRequest {
		return nil
	}

//
// 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

import (
	"bytes"
	"net/http"
	"testing"
	"time"

	"github.com/minio/minio/internal/bucket/lifecycle"
	xhttp "github.com/minio/minio/internal/http"
)

// TestParseRestoreObjStatus tests parseRestoreObjStatus
func TestParseRestoreObjStatus(t *testing.T) {

func httpTracerMiddleware(h http.Handler) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		// Setup a http request response recorder - this is needed for
		// http stats requests and audit if enabled.
		respRecorder := xhttp.NewResponseRecorder(w)

		// Setup a http request body recorder
		reqRecorder := &xhttp.RequestRecorder{Reader: r.Body}
		r.Body = reqRecorder