t.Errorf("name of file #%v in walk, got %q, want %q", i, got[i].name, tc.wantFiles[i].name)
				}
				if got[i].mode&(fs.ModeDir|0700) != tc.wantFiles[i].mode {
					t.Errorf("mode&(fs.ModeDir|0700) for mode of file #%v in walk, got %v, want %v", i, got[i].mode&(fs.ModeDir|0700), tc.wantFiles[i].mode)
				}
				if got[i].isDir != tc.wantFiles[i].isDir {

			return fmt.Errorf("failed to write %v to %v: %v", cpuQuotaStr, cgroupPath, err)
		}
	}
	if resourceConfig.CPUPeriod != nil {
		cpuPeriodStr = strconv.FormatUint(*resourceConfig.CPUPeriod, 10)
		if err := os.WriteFile(filepath.Join(cgroupPath, "cpu.cfs_period_us"), []byte(cpuPeriodStr), 0700); err != nil {

	// comma "," separator.
	{"", "2006-01-02 15:04:05,9999 -0700 MST", "2010-02-04 21:00:57 -0800 PST", true, false, 1, 0},
	{"", "2006-01-02 15:04:05,999999999 -0700 MST", "2010-02-04 21:00:57 -0800 PST", true, false, 1, 0},
	{"", "2006-01-02 15:04:05,9999 -0700 MST", "2010-02-04 21:00:57.0123 -0800 PST", true, false, 1, 4},
	{"", "2006-01-02 15:04:05,999999999 -0700 MST", "2010-02-04 21:00:57.0123 -0800 PST", true, false, 1, 4},

	realManifestDir := filepath.Join(kubernetesDir, constants.ManifestsSubDirName)
	if err := os.Mkdir(realManifestDir, 0700); err != nil {
		return nil, errors.Wrapf(err, "couldn't create a realManifestDir for the upgrade")
	}

	upgradedManifestDir := filepath.Join(kubernetesDir, "upgraded-manifests")
	if err := os.Mkdir(upgradedManifestDir, 0700); err != nil {
		return nil, errors.Wrapf(err, "couldn't create a upgradedManifestDir for the upgrade")
	}

	// creates target folder if not already exists
	if err := os.MkdirAll(tempDir, 0700); err != nil {
		return "", errors.Wrapf(err, "failed to create directory %q", tempDir)
	}

	timestampDirName := fmt.Sprintf("%s-%s", dirName, time.Now().Format("2006-01-02-15-04-05"))
	timestampDir := filepath.Join(tempDir, timestampDirName)
	if err := os.Mkdir(timestampDir, 0700); err != nil {
		return "", errors.Wrap(err, "could not create timestamp directory")

func mktmpdir(t *testing.T) string {
	tmpdir, err := os.MkdirTemp("", "gcimporter_test")
	if err != nil {
		t.Fatal("mktmpdir:", err)
	}
	if err := os.Mkdir(filepath.Join(tmpdir, "testdata"), 0700); err != nil {
		os.RemoveAll(tmpdir)
		t.Fatal("mktmpdir:", err)
	}
	return tmpdir
}

func TestImportTestdata(t *testing.T) {
	// This package only handles gc export data.
	if runtime.Compiler != "gc" {

	days := [...]string{"2", "02"}     // day = 1*2DIGIT
	years := [...]string{"2006", "06"} // year = 4*DIGIT / 2*DIGIT
	seconds := [...]string{":05", ""}  // second
	// "-0700 (MST)" is not in RFC 5322, but is common.
	zones := [...]string{"-0700", "MST", "UT"} // zone = (("+" / "-") 4DIGIT) / "UT" / "GMT" / ...

	for _, dow := range dows {
		for _, day := range days {
			for _, year := range years {

// The parent directory of the csrPath will be created as needed with file mode 0700.
func WriteCSR(csrDir, name string, csr *x509.CertificateRequest) error {
	if csr == nil {
		return errors.New("certificate request cannot be nil when writing to file")
	}

	csrPath := pathForCSR(csrDir, name)
	if err := os.MkdirAll(filepath.Dir(csrPath), os.FileMode(0700)); err != nil {

// WriteStaticPodToDisk writes a static pod file to disk
func WriteStaticPodToDisk(componentName, manifestDir string, pod v1.Pod) error {

	// creates target folder if not already exists
	if err := os.MkdirAll(manifestDir, 0700); err != nil {
		return errors.Wrapf(err, "failed to create directory %q", manifestDir)
	}

	// writes the pod to disk
	serialized, err := kubeadmutil.MarshalToYaml(&pod, v1.SchemeGroupVersion)
	if err != nil {

00000230  17 aa 28 56 20 ee 82 fd  de d1 55 b8 e9 27 ae 3d  |..(V .....U..'.=|
00000240  e1 44 d6 0b b9 7a 25 77  b0 f1 be 64 ae cc 0d 44  |.D...z%w...d...D|
00000250  af 57 32 9f cf bc c0 07  00 0b 19 97 08 0a d5 50  |.W2............P|
00000260  20 0e ef d5 1e 2e 68 82  ae 2d 84 47 3d 9b 5b 24  | .....h..-.G=.[$|
00000270  55 95 b2 93 e0 60 a2 cd  e5 72 69 b3 e2 de da 70  |U....`...ri....p|