}

func TestKMSParseHTTP(t *testing.T) {
	for i, test := range kmsParseHTTPTests {
		_, _, err := S3KMS.ParseHTTP(test.Header)
		if err == nil && test.ShouldFail {
			t.Errorf("Test %d: should fail but succeeded", i)
		}
		if err != nil && !test.ShouldFail {
			t.Errorf("Test %d: should pass but failed with: %v", i, err)
		}
	}
}

var s3IsRequestedTests = []struct {
	Header   http.Header

func loadBucketReplicationMetrics(ctx context.Context, m MetricValues, c *metricsCache, buckets []string) error {
	if globalSiteReplicationSys.isEnabled() {
		return nil
	}

	dataUsageInfo, err := c.dataUsageInfo.Get()
	if err != nil {
		metricsLogIf(ctx, err)
		return nil
	}

	bucketReplStats := globalReplicationStats.Load().getAllLatest(dataUsageInfo.BucketsUsage)
	for _, bucket := range buckets {

		})
	}

	csvWriter.Flush()
	return buf.Bytes()
}

type nullResponseWriter struct{}

func (w *nullResponseWriter) Header() http.Header {
	return nil
}

func (w *nullResponseWriter) Write(p []byte) (int, error) {
	return len(p), nil
}

func (w *nullResponseWriter) WriteHeader(statusCode int) {
}

func (w *nullResponseWriter) Flush() {
}

func (returning Returning) MergeClause(clause *Clause) {
	if v, ok := clause.Expression.(Returning); ok && len(returning.Columns) > 0 {
		if v.Columns != nil {
			returning.Columns = append(v.Columns, returning.Columns...)
		} else {
			returning.Columns = nil
		}
	}
	clause.Expression = returning

		copy(exprs, w.Exprs)
		copy(exprs[len(w.Exprs):], where.Exprs)
		where.Exprs = exprs
	}

	clause.Expression = where
}

func And(exprs ...Expression) Expression {
	if len(exprs) == 0 {
		return nil
	}

	if len(exprs) == 1 {
		if _, ok := exprs[0].(OrConditions); !ok {
			return exprs[0]
		}
	}

	return AndConditions{Exprs: exprs}
}

type AndConditions struct {

// such as transfer rate and objects queued.
func loadClusterReplicationMetrics(ctx context.Context, m MetricValues, c *metricsCache) error {
	st := globalReplicationStats.Load()
	if st == nil {
		return nil
	}

	qs := st.getNodeQueueStatsSummary()

	qt := qs.QStats
	m.Set(replicationAverageQueuedBytes, float64(qt.Avg.Bytes))
	m.Set(replicationAverageQueuedCount, float64(qt.Avg.Count))

	"syscall"
)

// GetInfo returns total and free bytes available in a directory, e.g. `/`.
func GetInfo(path string, _ bool) (info Info, err error) {
	s := syscall.Statfs_t{}
	err = syscall.Statfs(path, &s)
	if err != nil {
		return Info{}, err
	}
	reservedBlocks := s.Bfree - uint64(s.Bavail)
	info = Info{
		Total:  uint64(s.Bsize) * (s.Blocks - reservedBlocks),
		Free:   uint64(s.Bsize) * uint64(s.Bavail),
		Files:  s.Files,

		expectErr      bool
	}{
		{case1Policy, case1Result, false},
		{case2Policy, case2Result, false},
		{case3Policy, nil, true},
	}

	for i, testCase := range testCases {
		result, err := PolicyToBucketAccessPolicy(testCase.bucketPolicy)
		expectErr := (err != nil)

		if expectErr != testCase.expectErr {
			t.Fatalf("case %v: error: expected: %v, got: %v\n", i+1, testCase.expectErr, expectErr)
		}

// loadDriveMetrics - `MetricsLoaderFn` for node drive metrics.
func loadDriveMetrics(ctx context.Context, m MetricValues, c *metricsCache) error {
	driveMetrics, err := c.driveMetrics.Get()
	if err != nil {
		metricsLogIf(ctx, err)
		return nil
	}

	for _, disk := range driveMetrics.storageInfo.Disks {
		labels := []string{
			driveL, disk.DrivePath,
			poolIndexL, strconv.Itoa(disk.PoolIndex),

	for _, e := range elems {
		if elem == e {
			return true
		}
	}
	return false
}

func AssertEqual(x, y interface{}) bool {
	if reflect.DeepEqual(x, y) {
		return true
	}
	if x == nil || y == nil {
		return false
	}

	xval := reflect.ValueOf(x)
	yval := reflect.ValueOf(y)
	if xval.Kind() == reflect.Ptr && xval.IsNil() ||
		yval.Kind() == reflect.Ptr && yval.IsNil() {
		return false
	}