tests := []struct {
		name                 string
		filesToWrite         []string
		expectedPatchSets    []*patchSet
		expectedPatchFiles   []string
		expectedIgnoredFiles []string
		expectedError        bool
		patchData            string
	}{
		{
			name:         "valid: patch files are sorted and non-patch files are ignored",

func TestGenerate(t *testing.T) {
	// If filesToWrite is set, write the generated content to disk.
	// In the special case of "all", write all files in filemap.
	write := *filesToWrite != ""
	var files []string // files to process
	if *filesToWrite != "" && *filesToWrite != "all" {
		files = strings.Split(*filesToWrite, ",")
	} else {
		for file := range filemap {
			files = append(files, file)
		}

	tests := map[string]struct {
		filesToWrite  map[string]*clientcmdapi.Config
		initConfig    *kubeadmapi.InitConfiguration
		expectedError bool
	}{
		"files don't exist": {
			initConfig:    initConfig,
			expectedError: true,
		},
		"some files don't exist": {
			filesToWrite: map[string]*clientcmdapi.Config{
				kubeadmconstants.AdminKubeConfigFileName:      config,