"github.com/dustin/go-humanize"
)

const (
	iso8601DateFormat = "20060102T150405Z"
)

func newPostPolicyBytesV4WithContentRange(credential, bucketName, objectKey string, expiration time.Time) []byte {
	t := UTCNow()
	// Add the expiration date.
	expirationStr := fmt.Sprintf(`"expiration": "%s"`, expiration.Format(iso8601TimeFormat))
	// Add the bucket condition, only accept buckets equal to the one passed.

	h.mutex.Lock()
	defer h.mutex.Unlock()

	h.healFailedItemsMap[healType]++
	h.lastHealActivity = UTCNow()
}

func (h *healSequence) countScanned(healType madmin.HealItemType) {
	h.mutex.Lock()
	defer h.mutex.Unlock()

	h.scannedItemsMap[healType]++
	h.lastHealActivity = UTCNow()
}

func (h *healSequence) countHealed(healType madmin.HealItemType) {
	h.mutex.Lock()
	defer h.mutex.Unlock()

	deadline := UTCNow().Add(leakDetectDeadline * time.Second)
	for {
		// get sack snapshot of relevant go routines.
		leaked := initialSnapShot.CompareCurrentSnapshot()
		// current stack snapshot matches the initial one, no leaks, return.
		if len(leaked) == 0 {
			return
		}
		// wait a test again will deadline.
		if UTCNow().Before(deadline) {

		// Not all locks can be taken on resources,
		// reject it completely.
		return false, nil
	}

	// No locks held on the all resources, so claim write
	// lock on all resources at once.
	now := UTCNow()
	for i, resource := range args.Resources {
		l.lockMap[resource] = []lockRequesterInfo{
			{
				Name:            resource,
				Writer:          true,
				Source:          args.Source,

package cmd

import (
	"testing"
)

func TestNewRequestID(t *testing.T) {
	// Ensure that it returns an alphanumeric result of length 16.
	id := mustGetRequestID(UTCNow())

	if len(id) != 16 {
		t.Fail()
	}

	var e rune
	for _, char := range id {
		e = char

		// Ensure that it is alphanumeric, in this case, between 0-9 and A-Z.

	}

	// If the host which signed the request is slightly ahead in time (by less than globalMaxSkewTime) the
	// request should still be allowed.
	if pSignValues.Date.After(UTCNow().Add(globalMaxSkewTime)) {
		return ErrRequestNotReadyYet
	}

	if UTCNow().Sub(pSignValues.Date) > pSignValues.Expires {
		return ErrExpiredPresignRequest
	}

	// Save the date and expires.
	t := pSignValues.Date

	r.mostRecentStatsMu.Lock()
	if len(r.mostRecentStats.Stats) == 0 {
		r.mostRecentStats = BucketStatsMap{Stats: make(map[string]BucketStats, 1), Timestamp: UTCNow()}
	}
	if len(bs.ReplicationStats.Stats) > 0 {
		r.mostRecentStats.Stats[bucket] = bs
	}
	r.mostRecentStats.Timestamp = UTCNow()
	r.mostRecentStatsMu.Unlock()
	return bs
}

// get the most current of in-memory replication stats  and data usage info from crawler.

		// timestamp of last successful refresh
		config.lastRefreshedAt = UTCNow()
		return nil
	default:
		return err
	}

	// Reset drivercache built using current config
	clear(config.drivercache)
	// Remove existing tier configs
	clear(config.Tiers)
	// Copy over the new tier configs
	maps.Copy(config.Tiers, newConfig.Tiers)
	config.lastRefreshedAt = UTCNow()
	return nil
}

		},
	}

	// Run tests
	for _, tt := range testCases {
		t.Run(tt.name, func(t *testing.T) {
			if tt.expired {
				// Expired already.
				pp.SetExpires(UTCNow().AddDate(0, 0, -10))
			} else {
				// Expires in 10 days.
				pp.SetExpires(UTCNow().AddDate(0, 0, 10))
			}

			tt.fv.Set("Policy", base64.StdEncoding.EncodeToString([]byte(pp.String())))

}

// getNodeQueueStats returns replication operational stats at the node level
func (r *ReplicationStats) getNodeQueueStats(bucket string) (qs ReplQNodeStats) {
	qs.NodeName = globalLocalNodeName
	qs.Uptime = UTCNow().Unix() - globalBootTime.Unix()
	grs := globalReplicationStats.Load()
	if grs != nil {
		qs.ActiveWorkers = grs.ActiveWorkers()
	} else {
		qs.ActiveWorkers = ActiveWorkerStat{}
	}