{String: "90402c78d2dccddee1e9e86222ce2c6361675f3529d26000ae2e900ff216b3cb59e130e092d8a2981e776f4d0bd60941-1", ShouldFail: true}, // 11
}

func TestParse(t *testing.T) {
	for i, test := range parseTests {
		etag, err := Parse(test.String)
		if err == nil && test.ShouldFail {
			t.Fatalf("Test %d: parse should have failed but succeeded", i)
		}
		if err != nil && !test.ShouldFail {

		return false
	}

	for i := range expected {
		// If entry in expected is not same as entry it got, the test is failed.
		if expected[i] != got[i] {
			return false
		}
	}

	// expected and got have same entries.
	return true
}

// teardown - cleans up test directories.
func teardown(testResults []result) {
	for _, r := range testResults {
		os.RemoveAll(r.dir)
	}
}

	for _, lang := range user.Languages {
		DB.Create(&lang)
	}
	user.Friends = []*User{{Name: "friend-1"}, {Name: "friend-2"}}

	if err := DB.Save(&user).Error; err != nil {
		t.Fatalf("errors happened when update: %v", err)
	}

	var user2 User
	DB.Preload("Languages").Preload("Friends").Find(&user2, "id = ?", user.ID)
	CheckUser(t, user2, user)

	for idx := range user.Friends {

	g := errgroup.WithNErrs(len(storageDisks))
	for index := range storageDisks {
		g.Go(func() error {
			if storageDisks[index] == nil {
				// we ignore disk not found errors
				return nil
			}
			volsInfo, err := storageDisks[index].ListVols(ctx)
			if err != nil {
				return err
			}

			for _, volInfo := range volsInfo {
				// StorageAPI can send volume names which are

func HammerMutex(m *DRWMutex, loops int, cdone chan bool) {
	for range loops {
		m.Lock(id, source)
		m.Unlock(context.Background())
	}
	cdone <- true
}

// Borrowed from mutex_test.go
func TestMutex(t *testing.T) {
	loops := 200
	if testing.Short() {
		loops = 5
	}
	c := make(chan bool)
	m := NewDRWMutex(ds, "test")
	for range 10 {
		go HammerMutex(m, loops, c)
	}
	for range 10 {
		<-c

		}},
		{ObjectRemovedAll, []Name{ObjectRemovedDelete, ObjectRemovedDeleteMarkerCreated, ObjectRemovedNoOP, ObjectRemovedDeleteAllVersions}},
		{ObjectAccessedHead, []Name{ObjectAccessedHead}},
	}

	for i, testCase := range testCases {
		result := testCase.name.Expand()

		if !reflect.DeepEqual(result, testCase.expectedResult) {
			t.Errorf("test %v: result: expected: %v, got: %v", i+1, testCase.expectedResult, result)
		}
	}
}

		return err
	}

	targetList, err := fetchSubSysTargets(ctx, cfg, subSys, transport)
	if err != nil {
		return err
	}

	for _, target := range targetList {
		defer target.Close()
	}

	for _, target := range targetList {
		yes, err := target.IsActive()
		if err == nil && !yes {
			err = ErrTargetsOffline
		}
		if err != nil {
			return fmt.Errorf("error (%s): %w", target.ID(), err)

	metrics := make([]prometheus.Metric, 0, len(m.values))
	for metricName, mv := range m.values {
		desc := m.descriptors[metricName]
		promDesc := desc.toPromDesc(namePrefix, extraLabels)
		for _, v := range mv {
			// labelValues is in the same order as the variable labels in the
			// descriptor.
			labelValues := make([]string, 0, len(v.Labels))
			for _, k := range desc.VariableLabels {
				labelValues = append(labelValues, v.Labels[k])

func (c *CoreDNS) List() (map[string][]SrvRecord, error) {
	srvRecords := map[string][]SrvRecord{}
	for _, domainName := range c.domainNames {
		key := msgPath(fmt.Sprintf("%s.", domainName), c.prefixPath)
		records, err := c.list(key+etcdPathSeparator, true)
		if err != nil {
			return srvRecords, err
		}
		for _, record := range records {
			if record.Key == "" {
				continue
			}

		}

		decoded := encoded
		if !test.shouldFail {
			if test.reconstructParity {
				for j := range decoded {
					if decoded[j] == nil {
						t.Errorf("Test %d: failed to reconstruct shard %d", i, j)
					}
				}
			} else {
				for j := range decoded[:test.dataBlocks] {
					if decoded[j] == nil {
						t.Errorf("Test %d: failed to reconstruct data shard %d", i, j)
					}
				}