How to use Validate method of cmd Package

Best K6 code snippet using cmd.Validate

input_test.go

Source:input_test.go

...41func TestInputVars_MergeCmdFlags(t *testing.T) {42	assert := assert.New(t)43	config := getValidInputVars()44	config.Debug = false45	assert.Nil(config.Validate())46	cmdFlags := CmdFlags{47		Debug: true,48		ProjectId: "cmd-project-id",49		ProjectName: "cmd-project-name",50	}51	cmdFlags.AwsConfig.Region = "eu-west-1"52	cmdFlags.AwsConfig.KeyId = "cmd-key-123"53	cmdFlags.AwsConfig.SecretKey = "#cmd-098#"54	assert.NotEqual("cmd-project-name", config.ProjectName)55	assert.NotEqual("cmd-project-id", config.ProjectId)56	assert.NotEqual("eu-west-1", config.AwsConfig.Region)57	assert.NotEqual("cmd-key-123", config.AwsConfig.KeyId)58	assert.NotEqual("#cmd-098#", config.AwsConfig.SecretKey)59	config.MergeCmdFlags(cmdFlags)60	assert.True(config.Debug)61	assert.Equal("cmd-project-name", config.ProjectName)62	assert.Equal("cmd-project-id", config.ProjectId)63	assert.Equal("eu-west-1", config.AwsConfig.Region)64	assert.Equal("cmd-key-123", config.AwsConfig.KeyId)65	assert.Equal("#cmd-098#", config.AwsConfig.SecretKey)66	config = getValidInputVars()67	config.Debug = true68	cmdFlags.Debug = false69	config.MergeCmdFlags(cmdFlags)70	assert.True(config.Debug)71	config = getValidInputVars()72	config.Debug = false73	cmdFlags.Debug = false74	config.MergeCmdFlags(cmdFlags)75	assert.False(config.Debug)76	config = getValidInputVars()77	oldKeyId := config.AwsConfig.KeyId78	oldSecretKey := config.AwsConfig.SecretKey79	cmdFlags.AwsConfig.KeyId = ""80	config.MergeCmdFlags(cmdFlags)81	assert.Equal(oldKeyId, config.AwsConfig.KeyId)82	assert.Equal(oldSecretKey, config.AwsConfig.SecretKey)83	config = getValidInputVars()84	oldKeyId = config.AwsConfig.KeyId85	oldSecretKey = config.AwsConfig.SecretKey86	cmdFlags.AwsConfig.SecretKey = ""87	config.MergeCmdFlags(cmdFlags)88	assert.Equal(oldKeyId, config.AwsConfig.KeyId)89	assert.Equal(oldSecretKey, config.AwsConfig.SecretKey)90}91func TestInputVars_Validate(t *testing.T) {92	assert := assert.New(t)93	// Init config94	config := getValidInputVars()95	assert.Nil(config.Validate())96	// Test Short Project Name97	config.ProjectName = "ab"98	assert.NotNil(config.Validate())99	// Test empty project name100	config.ProjectName = ""101	assert.NotNil(config.Validate())102	// Reset config103	config = getValidInputVars()104	assert.Nil(config.Validate())105	// Test Short project id106	config.ProjectId = "ab"107	assert.NotNil(config.Validate())108	// Test empty project id109	config.ProjectId = ""110	assert.NotNil(config.Validate())111	// Reset config112	config = getValidInputVars()113	assert.Nil(config.Validate())114	// Test empty cluster id115	config.ClusterId = ""116	assert.NotNil(config.Validate())117	testMasterCountValidation(assert)118	testInfraCountValidation(assert)119	testAppCountValidation(assert)120	testStorageValidation(assert)121	testDomainValidation(assert)122	testAwsValidation(assert)123}124func TestLoadInputVars(t *testing.T) {125	testFile := TEST_CONFIG_FILE126	assert := assert.New(t)127	config := LoadConfigFromFile(testFile)128	assert.NotNil(config)129	assert.Equal("TestProject", config.ProjectName)130	assert.Equal("TestId", config.ProjectId)131	assert.Equal("test.de", config.Domain)132	assert.Equal("1234", config.ClusterId)133	assert.True(config.AggregatedLogging)134	assert.False(config.ClusterMetrics)135	assert.True(config.RegistryToS3)136	assert.True(config.Storage.EnableEfs)137	assert.False(config.Storage.EncryptEfs)138	assert.False(config.Storage.EnableEbs)139	assert.True(config.Storage.EncryptEbs)140	assert.Equal("ebs", config.Storage.Default)141	assert.Equal(10, config.NodeCounts.Master)142	assert.Equal(1, config.NodeCounts.Infra)143	assert.Equal(0, config.NodeCounts.App)144	assert.Equal("t2.nano", config.NodeTypes.Bastion)145	assert.Equal("m5.xlarge", config.NodeTypes.Master)146	assert.Equal("m5.large", config.NodeTypes.Infra)147	assert.Equal("m5.xxlarge", config.NodeTypes.App)148	assert.Equal("eu-central-1", config.AwsConfig.Region)149	assert.Equal("key-123", config.AwsConfig.KeyId)150	assert.Equal("#9876#", config.AwsConfig.SecretKey)151}152func testMasterCountValidation(assert *assert.Assertions) {153	config := getValidInputVars()154	assert.Nil(config.Validate())155	// Test invalid master count156	config.NodeCounts.Master = 0157	assert.NotNil(config.Validate())158	config.NodeCounts.Master = -1159	assert.NotNil(config.Validate())160	config.NodeCounts.Master = -9999161	assert.NotNil(config.Validate())162	config.NodeCounts.Master = 2163	assert.NotNil(config.Validate())164	// Test valid master count165	config.NodeCounts.Master = 1166	assert.Nil(config.Validate())167	config.NodeCounts.Master = 3168	assert.Nil(config.Validate())169	config.NodeCounts.Master = 9999170	assert.Nil(config.Validate())171}172func testInfraCountValidation(assert *assert.Assertions) {173	config := getValidInputVars()174	assert.Nil(config.Validate())175	// Test invalid master count176	config.NodeCounts.Infra = 0177	assert.NotNil(config.Validate())178	config.NodeCounts.Infra = -1179	assert.NotNil(config.Validate())180	config.NodeCounts.Infra = -9999181	assert.NotNil(config.Validate())182	// Test valid master count183	config.NodeCounts.Infra = 1184	assert.Nil(config.Validate())185	config.NodeCounts.Infra = 3186	assert.Nil(config.Validate())187	config.NodeCounts.Infra = 9999188	assert.Nil(config.Validate())189}190func testAppCountValidation(assert *assert.Assertions) {191	config := getValidInputVars()192	assert.Nil(config.Validate())193	// Test invalid master count194	config.NodeCounts.App = 0195	assert.NotNil(config.Validate())196	config.NodeCounts.App = -1197	assert.NotNil(config.Validate())198	config.NodeCounts.App = -9999199	assert.NotNil(config.Validate())200	// Test valid master count201	config.NodeCounts.App = 1202	assert.Nil(config.Validate())203	config.NodeCounts.App = 3204	assert.Nil(config.Validate())205	config.NodeCounts.App = 9999206	assert.Nil(config.Validate())207}208func testStorageValidation(assert *assert.Assertions) {209	config := getValidInputVars()210	assert.Nil(config.Validate())211	// Test no active storage provider212	config.Storage.EnableEbs = false213	config.Storage.EnableEfs = false214	assert.NotNil(config.Validate())215	// Reset config216	config = getValidInputVars()217	assert.Nil(config.Validate())218	// test invalid default219	config.Storage.Default = "invalid"220	assert.NotNil(config.Validate())221	// Reset config222	config = getValidInputVars()223	assert.Nil(config.Validate())224	// test disabled default storage EBS225	config.Storage.Default = "ebs"226	config.Storage.EnableEbs = false227	assert.NotNil(config.Validate())228	// Reset config229	config = getValidInputVars()230	assert.Nil(config.Validate())231	// test disabled default storage EFS232	config.Storage.Default = "efs"233	config.Storage.EnableEfs = false234	assert.NotNil(config.Validate())235	// Reset config236	config = getValidInputVars()237	assert.Nil(config.Validate())238	// Aggregated logging require ebs239	config.AggregatedLogging = true240	config.Storage.EnableEbs = false241	assert.NotNil(config.Validate())242}243func testDomainValidation(assert *assert.Assertions) {244	config := getValidInputVars()245	assert.Nil(config.Validate())246	// test valid domain247	config.Domain = "codecentric.de"248	assert.Nil(config.Validate())249	// test valid subdomain250	config.Domain = "test.codecentric.de"251	assert.Nil(config.Validate())252	config.Domain = "sub.sub.sub.sub.codecentric.de"253	assert.Nil(config.Validate())254	// test invalid domain255	config.Domain = "abcd"256	assert.NotNil(config.Validate())257	config.Domain = "codecentric.codecentric11"258	assert.NotNil(config.Validate())259	// test invalid subdomain260	config.Domain = "123@dd.codecentric.de"261	assert.NotNil(config.Validate())262}263func testAwsValidation(assert *assert.Assertions) {264	config := getValidInputVars()265	assert.Nil(config.Validate())266	// test invalid region267	config.AwsConfig.Region = "europa-central-1"268	assert.NotNil(config.Validate())269	config.AwsConfig.Region = "eu-central"270	assert.NotNil(config.Validate())271	config.AwsConfig.Region = "eu-1"272	assert.NotNil(config.Validate())273	config.AwsConfig.Region = "eu-de-1"274	assert.NotNil(config.Validate())275	config.AwsConfig.Region = "eu-central-1a"276	assert.NotNil(config.Validate())277	// test valid region278	config.AwsConfig.Region = "eu-central-1"279	assert.Nil(config.Validate())280	config.AwsConfig.Region = "us-west-1"281	assert.Nil(config.Validate())282	config.AwsConfig.Region = "eu-west-1"283	assert.Nil(config.Validate())284	config.AwsConfig.Region = "ap-north-1"285	assert.Nil(config.Validate())286	// Reset config287	config = getValidInputVars()288	assert.Nil(config.Validate())289	// Test invalid node types bastion290	config.NodeTypes.Bastion = "t99.large"291	assert.NotNil(config.Validate())292	config.NodeTypes.Bastion = "z3.large"293	assert.NotNil(config.Validate())294	config.NodeTypes.Bastion = "t.large"295	assert.NotNil(config.Validate())296	config.NodeTypes.Bastion = "large"297	assert.NotNil(config.Validate())298	// test valid node types bastion299	config.NodeTypes.Bastion = "m4.xlarge"300	assert.Nil(config.Validate())301	config.NodeTypes.Bastion = "x1e.xlarge"302	assert.Nil(config.Validate())303	// Reset config304	config = getValidInputVars()305	assert.Nil(config.Validate())306	// Test invalid node types master307	config.NodeTypes.Master = "t99.large"308	assert.NotNil(config.Validate())309	config.NodeTypes.Master = "z3.large"310	assert.NotNil(config.Validate())311	config.NodeTypes.Master = "t.large"312	assert.NotNil(config.Validate())313	config.NodeTypes.Master = "large"314	assert.NotNil(config.Validate())315	// test valid node types master316	config.NodeTypes.Master = "m4.xlarge"317	assert.Nil(config.Validate())318	config.NodeTypes.Master = "x1e.xlarge"319	assert.Nil(config.Validate())320	// Reset config321	config = getValidInputVars()322	assert.Nil(config.Validate())323	// Test invalid node types infra324	config.NodeTypes.Infra = "t99.large"325	assert.NotNil(config.Validate())326	config.NodeTypes.Infra = "z3.large"327	assert.NotNil(config.Validate())328	config.NodeTypes.Infra = "t.large"329	assert.NotNil(config.Validate())330	config.NodeTypes.Infra = "large"331	assert.NotNil(config.Validate())332	// test valid node types infra333	config.NodeTypes.Infra = "m4.xlarge"334	assert.Nil(config.Validate())335	config.NodeTypes.Infra = "x1e.xlarge"336	assert.Nil(config.Validate())337	config.NodeTypes.Infra = "m5d.xlarge"338	assert.Nil(config.Validate())339	// Reset config340	config = getValidInputVars()341	assert.Nil(config.Validate())342	// Test invalid node types app343	config.NodeTypes.App = "t99.large"344	assert.NotNil(config.Validate())345	config.NodeTypes.App = "z3.large"346	assert.NotNil(config.Validate())347	config.NodeTypes.App = "t.large"348	assert.NotNil(config.Validate())349	config.NodeTypes.App = "large"350	assert.NotNil(config.Validate())351	config.NodeTypes.App = "t2-medium"352	assert.NotNil(config.Validate())353	// test valid node types app354	config.NodeTypes.App = "m4.xlarge"355	assert.Nil(config.Validate())356	config.NodeTypes.App = "x1e.xlarge"357	assert.Nil(config.Validate())358}...

validate_test.go

Source:validate_test.go

...8	"github.com/hashicorp/consul/sdk/testutil"9	"github.com/mitchellh/cli"10	require "github.com/stretchr/testify/require"11)12func TestValidateCommand_noTabs(t *testing.T) {13	t.Parallel()14	if strings.ContainsRune(New(nil).Help(), '\t') {15		t.Fatal("help has tabs")16	}17}18func TestValidateCommand_FailOnEmptyFile(t *testing.T) {19	t.Parallel()20	tmpFile := testutil.TempFile(t, "consul")21	defer os.RemoveAll(tmpFile.Name())22	cmd := New(cli.NewMockUi())23	args := []string{tmpFile.Name()}24	code := cmd.Run(args)25	require.NotEqual(t, 0, code)26}27func TestValidateCommand_SucceedOnMinimalConfigFile(t *testing.T) {28	t.Parallel()29	td := testutil.TempDir(t, "consul")30	defer os.RemoveAll(td)31	fp := filepath.Join(td, "config.json")32	err := ioutil.WriteFile(fp, []byte(`{"bind_addr":"10.0.0.1", "data_dir":"`+td+`"}`), 0644)33	require.Nilf(t, err, "err: %s", err)34	cmd := New(cli.NewMockUi())35	args := []string{fp}36	code := cmd.Run(args)37	require.Equal(t, 0, code)38}39func TestValidateCommand_SucceedWithMinimalJSONConfigFormat(t *testing.T) {40	t.Parallel()41	td := testutil.TempDir(t, "consul")42	defer os.RemoveAll(td)43	fp := filepath.Join(td, "json.conf")44	err := ioutil.WriteFile(fp, []byte(`{"bind_addr":"10.0.0.1", "data_dir":"`+td+`"}`), 0644)45	require.Nilf(t, err, "err: %s", err)46	cmd := New(cli.NewMockUi())47	args := []string{"--config-format", "json", fp}48	code := cmd.Run(args)49	require.Equal(t, 0, code)50}51func TestValidateCommand_SucceedWithMinimalHCLConfigFormat(t *testing.T) {52	t.Parallel()53	td := testutil.TempDir(t, "consul")54	defer os.RemoveAll(td)55	fp := filepath.Join(td, "hcl.conf")56	err := ioutil.WriteFile(fp, []byte("bind_addr = \"10.0.0.1\"\ndata_dir = \""+td+"\""), 0644)57	require.Nilf(t, err, "err: %s", err)58	cmd := New(cli.NewMockUi())59	args := []string{"--config-format", "hcl", fp}60	code := cmd.Run(args)61	require.Equal(t, 0, code)62}63func TestValidateCommand_SucceedWithJSONAsHCL(t *testing.T) {64	t.Parallel()65	td := testutil.TempDir(t, "consul")66	defer os.RemoveAll(td)67	fp := filepath.Join(td, "json.conf")68	err := ioutil.WriteFile(fp, []byte(`{"bind_addr":"10.0.0.1", "data_dir":"`+td+`"}`), 0644)69	require.Nilf(t, err, "err: %s", err)70	cmd := New(cli.NewMockUi())71	args := []string{"--config-format", "hcl", fp}72	code := cmd.Run(args)73	require.Equal(t, 0, code)74}75func TestValidateCommand_SucceedOnMinimalConfigDir(t *testing.T) {76	t.Parallel()77	td := testutil.TempDir(t, "consul")78	defer os.RemoveAll(td)79	err := ioutil.WriteFile(filepath.Join(td, "config.json"), []byte(`{"bind_addr":"10.0.0.1", "data_dir":"`+td+`"}`), 0644)80	require.Nilf(t, err, "err: %s", err)81	cmd := New(cli.NewMockUi())82	args := []string{td}83	code := cmd.Run(args)84	require.Equal(t, 0, code)85}86func TestValidateCommand_FailForInvalidJSONConfigFormat(t *testing.T) {87	t.Parallel()88	td := testutil.TempDir(t, "consul")89	defer os.RemoveAll(td)90	fp := filepath.Join(td, "hcl.conf")91	err := ioutil.WriteFile(fp, []byte(`bind_addr = "10.0.0.1"\ndata_dir = "`+td+`"`), 0644)92	require.Nilf(t, err, "err: %s", err)93	cmd := New(cli.NewMockUi())94	args := []string{"--config-format", "json", fp}95	code := cmd.Run(args)96	require.NotEqual(t, 0, code)97}98func TestValidateCommand_Quiet(t *testing.T) {99	t.Parallel()100	td := testutil.TempDir(t, "consul")101	defer os.RemoveAll(td)102	fp := filepath.Join(td, "config.json")103	err := ioutil.WriteFile(fp, []byte(`{"bind_addr":"10.0.0.1", "data_dir":"`+td+`"}`), 0644)104	require.Nilf(t, err, "err: %s", err)105	ui := cli.NewMockUi()106	cmd := New(ui)107	args := []string{"-quiet", td}108	code := cmd.Run(args)109	require.Equalf(t, 0, code, "return code - expected: 0, bad: %d, %s", code, ui.ErrorWriter.String())110	require.Equal(t, "", ui.OutputWriter.String())111}...

validate.go

Source:validate.go

...15	cmdutil "github.com/marmotedu/iam/internal/iamctl/cmd/util"16	"github.com/marmotedu/iam/internal/iamctl/util/templates"17	"github.com/marmotedu/iam/pkg/cli/genericclioptions"18)19// ValidateOptions is an options struct to support 'validate' sub command.20type ValidateOptions struct {21	genericclioptions.IOStreams22}23// ValidateInfo defines the validate information.24type ValidateInfo struct {25	ItemName string26	Status   string27	Message  string28}29var validateExample = templates.Examples(`30		# Validate the basic environment for iamctl to run31		iamctl validate`)32// NewValidateOptions returns an initialized ValidateOptions instance.33func NewValidateOptions(ioStreams genericclioptions.IOStreams) *ValidateOptions {34	return &ValidateOptions{35		IOStreams: ioStreams,36	}37}38// NewCmdValidate returns new initialized instance of 'validate' sub command.39func NewCmdValidate(f cmdutil.Factory, ioStreams genericclioptions.IOStreams) *cobra.Command {40	o := NewValidateOptions(ioStreams)41	cmd := &cobra.Command{42		Use:                   "validate",43		DisableFlagsInUseLine: true,44		Aliases:               []string{},45		Short:                 "Validate the basic environment for iamctl to run",46		TraverseChildren:      true,47		Long:                  "Validate the basic environment for iamctl to run.",48		Example:               validateExample,49		Run: func(cmd *cobra.Command, args []string) {50			cmdutil.CheckErr(o.Complete(f, cmd, args))51			cmdutil.CheckErr(o.Validate(cmd, args))52			cmdutil.CheckErr(o.Run(args))53		},54		SuggestFor: []string{},55	}56	return cmd57}58// Complete completes all the required options.59func (o *ValidateOptions) Complete(f cmdutil.Factory, cmd *cobra.Command, args []string) error {60	return nil61}62// Validate makes sure there is no discrepency in command options.63func (o *ValidateOptions) Validate(cmd *cobra.Command, args []string) error {64	return nil65}66// Run executes a validate sub command using the specified options.67func (o *ValidateOptions) Run(args []string) error {68	data := [][]string{}69	FAIL := color.RedString("FAIL")70	PASS := color.GreenString("PASS")71	validateInfo := ValidateInfo{}72	// check if can access db73	validateInfo.ItemName = "iam-apiserver"74	target, err := url.Parse(viper.GetString("server.address"))75	if err != nil {76		return err77	}78	_, err = net.Dial("tcp", target.Host)79	// defer client.Close()80	if err != nil {81		validateInfo.Status = FAIL82		validateInfo.Message = fmt.Sprintf("%v", err)83	} else {84		validateInfo.Status = PASS85		validateInfo.Message = ""86	}87	data = append(data, []string{validateInfo.ItemName, validateInfo.Status, validateInfo.Message})88	table := tablewriter.NewWriter(o.Out)89	table.SetAlignment(tablewriter.ALIGN_LEFT)90	table.SetColWidth(iamctl.TableWidth)91	table.SetHeader([]string{"ValidateItem", "Result", "Message"})92	for _, v := range data {93		table.Append(v)94	}95	table.Render()96	return nil97}...

Validate

Using AI Code Generation

1cmd.Validate()2cmd.Validate()3cmd.Validate()4cmd.Validate()5cmd.Validate()6cmd.Validate()7cmd.Validate()8cmd.Validate()9cmd.Validate()10cmd.Validate()11cmd.Validate()12cmd.Validate()13cmd.Validate()14cmd.Validate()15cmd.Validate()16cmd.Validate()17cmd.Validate()18cmd.Validate()19cmd.Validate()20cmd.Validate()21cmd.Validate()22cmd.Validate()23cmd.Validate()24cmd.Validate()25cmd.Validate()

Validate

Using AI Code Generation

1import (2var (3	cmd = &cobra.Command{4		Run: func(cmd *cobra.Command, args []string) {5			fmt.Println("Inside Run")6		},7	}8func Execute() {9	if err := cmd.Execute(); err != nil {10		fmt.Println(err)11	}12}13func main() {14	Execute()15}16import (17var (18	cmd = &cobra.Command{19		Run: func(cmd *cobra.Command, args []string) {20			fmt.Println("Inside Run")21		},22	}23func Execute() {24	if err := cmd.Execute(); err != nil {25		fmt.Println(err)26	}27}28import "github.com/akhilrex/cobra/cmd"29func main() {

Validate

Using AI Code Generation

1func main() {2    c := cmd{[]string{"a", "b", "c"}}3    err := c.Validate()4    if err != nil {5        fmt.Println(err)6    }7}8func main() {9    c := cmd{[]string{"a", "b", "c"}}10    err := c.Validate()11    if err != nil {12        fmt.Println(err)13    }14}15func main() {16    c := cmd{[]string{"a", "b", "c"}}17    err := c.Validate()18    if err != nil {19        fmt.Println(err)20    }21}22func main() {23    c := cmd{[]string{"a", "b", "c"}}24    err := c.Validate()25    if err != nil {26        fmt.Println(err)27    }28}29func main() {30    c := cmd{[]string{"a", "b", "c"}}31    err := c.Validate()32    if err != nil {33        fmt.Println(err)34    }35}36func main() {37    c := cmd{[]string{"a", "b", "c"}}38    err := c.Validate()39    if err != nil {40        fmt.Println(err)41    }42}43func main() {44    c := cmd{[]string{"a", "b", "c"}}45    err := c.Validate()46    if err != nil {47        fmt.Println(err)48    }49}50func main() {51    c := cmd{[]string{"a", "b", "c"}}52    err := c.Validate()53    if err != nil {54        fmt.Println(err)55    }56}57func main() {58    c := cmd{[]string{"a", "b", "c"}}59    err := c.Validate()60    if err != nil {61        fmt.Println(err)62    }63}

Validate

Using AI Code Generation

1import (2type Cmd struct {3	run func(cmd *Cmd, args []string)4}5func NewCmd(name string, short string, long string, run func(cmd *Cmd, args []string)) *Cmd {6	cmd := &Cmd{7	}8	cmd.flagSet = flag.NewFlagSet(name, flag.ExitOnError)9}10func (cmd *Cmd) Validate() error {11	if cmd.name == "" {12		return fmt.Errorf("cmd name is required")13	}14	if cmd.run == nil {15		return fmt.Errorf("cmd run method is required")16	}17}18func main() {19	cmd := NewCmd("validate", "Validate command", "Validate command", func(cmd *Cmd, args []string) {20		fmt.Println("Command is validated")21	})22	err := cmd.Validate()23	if err != nil {24		fmt.Println(err)25		os.Exit(1)26	}27	cmd.run(cmd, os.Args[1:])28}

Validate

Using AI Code Generation

1import (2type Command struct {3}4func (c *Command) Validate() error {5    if len(c.Args) > 0 {6        for _, arg := range c.Args {7            if !strings.Contains(c.Usage, arg) {8                return errors.New("error: required argument '" + arg + "' not found")9            }10        }11    }12    if c.FlagSet != nil {13        c.FlagSet.VisitAll(func(f *flag.Flag) {14            if strings.Contains(f.Usage, "required") && !f.Changed {15                return errors.New("error: required flag '" + f.Name + "' not found")16            }17        })18    }19}20func main() {21    cmd := &Command{22        Args: []string{"arg1", "arg2"},23    }24    fs := flag.NewFlagSet("test", flag.ExitOnError)25    fs.String("flag1", "", "flag1 (required)")26    fs.String("flag2", "", "flag2 (required)")27    err := cmd.Validate()28    if err != nil {29        fmt.Println(err.Error())30        fmt.Println(cmd.Usage)31        os.Exit(1)32    }33}

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