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How to use Apply method of lib Package

Best K6 code snippet using lib.Apply

testsuite.go

Source:testsuite.go

...19)20// TestApplier applies the test context21type TestApplier interface {22	TestContext(context.Context) (context.Context, func(), error)23	Apply(context.Context, Applier) (string, func(), error)24}25// FSSuite runs the path test suite26func FSSuite(t *testing.T, a TestApplier) {27	t.Run("Basic", makeTest(t, a, basicTest))28	t.Run("Deletion", makeTest(t, a, deletionTest))29	t.Run("Update", makeTest(t, a, updateTest))30	t.Run("DirectoryPermission", makeTest(t, a, directoryPermissionsTest))31	t.Run("ParentDirectoryPermission", makeTest(t, a, parentDirectoryPermissionsTest))32	t.Run("HardlinkUnmodified", makeTest(t, a, hardlinkUnmodified))33	t.Run("HardlinkBeforeUnmodified", makeTest(t, a, hardlinkBeforeUnmodified))34	t.Run("HardlinkBeforeModified", makeTest(t, a, hardlinkBeforeModified))35}36func makeTest(t *testing.T, ta TestApplier, as []Applier) func(t *testing.T) {37	return func(t *testing.T) {38		ctx, cleanup, err := ta.TestContext(context.Background())39		if err != nil {40			t.Fatalf("Unable to get test context: %+v", err)41		}42		defer cleanup()43		applyDir, err := ioutil.TempDir("", "test-expected-")44		if err != nil {45			t.Fatalf("Unable to make temp directory: %+v", err)46		}47		defer os.RemoveAll(applyDir)48		for i, a := range as {49			testDir, c, err := ta.Apply(ctx, a)50			if err != nil {51				t.Fatalf("Apply failed at %d: %+v", i, err)52			}53			if err := a.Apply(applyDir); err != nil {54				if c != nil {55					c()56				}57				t.Fatalf("Error applying change to apply directory: %+v", err)58			}59			err = CheckDirectoryEqual(applyDir, testDir)60			if c != nil {61				c()62			}63			if err != nil {64				t.Fatalf("Directories not equal at %d (expected <> tested): %+v", i, err)65			}66		}67	}68}69var (70	// baseApplier creates a basic filesystem layout71	// with multiple types of files for basic tests.72	baseApplier = Apply(73		CreateDir("/etc/", 0755),74		CreateFile("/etc/hosts", []byte("127.0.0.1 localhost"), 0644),75		Link("/etc/hosts", "/etc/hosts.allow"),76		CreateDir("/usr/local/lib", 0755),77		CreateFile("/usr/local/lib/libnothing.so", []byte{0x00, 0x00}, 0755),78		Symlink("libnothing.so", "/usr/local/lib/libnothing.so.2"),79		CreateDir("/home", 0755),80		CreateDir("/home/derek", 0700),81		// TODO: CreateSocket: how should Sockets be handled in continuity?82	)83	// basicTest covers basic operations84	basicTest = []Applier{85		baseApplier,86		Apply(87			CreateFile("/etc/hosts", []byte("127.0.0.1 localhost.localdomain"), 0644),88			CreateFile("/etc/fstab", []byte("/dev/sda1\t/\text4\tdefaults 1 1\n"), 0600),89			CreateFile("/etc/badfile", []byte(""), 0666),90			CreateFile("/home/derek/.zshrc", []byte("#ZSH is just better\n"), 0640),91		),92		Apply(93			Remove("/etc/badfile"),94			Rename("/home/derek", "/home/notderek"),95		),96		Apply(97			RemoveAll("/usr"),98			Remove("/etc/hosts.allow"),99		),100		Apply(101			RemoveAll("/home"),102			CreateDir("/home/derek", 0700),103			CreateFile("/home/derek/.bashrc", []byte("#not going away\n"), 0640),104			Link("/etc/hosts", "/etc/hosts.allow"),105		),106	}107	// deletionTest covers various deletion scenarios to ensure108	// deletions are properly picked up and applied109	deletionTest = []Applier{110		Apply(111			CreateDir("/test/somedir", 0755),112			CreateDir("/lib", 0700),113			CreateFile("/lib/hidden", []byte{}, 0644),114		),115		Apply(116			CreateFile("/test/a", []byte{}, 0644),117			CreateFile("/test/b", []byte{}, 0644),118			CreateDir("/test/otherdir", 0755),119			CreateFile("/test/otherdir/.empty", []byte{}, 0644),120			RemoveAll("/lib"),121			CreateDir("/lib", 0700),122			CreateFile("/lib/not-hidden", []byte{}, 0644),123		),124		Apply(125			Remove("/test/a"),126			Remove("/test/b"),127			RemoveAll("/test/otherdir"),128			CreateFile("/lib/newfile", []byte{}, 0644),129		),130	}131	// updateTest covers file updates for content and permission132	updateTest = []Applier{133		Apply(134			CreateDir("/d1", 0755),135			CreateDir("/d2", 0700),136			CreateFile("/d1/f1", []byte("something..."), 0644),137			CreateFile("/d1/f2", []byte("else..."), 0644),138			CreateFile("/d1/f3", []byte("entirely..."), 0644),139		),140		Apply(141			CreateFile("/d1/f1", []byte("file content of a different length"), 0664),142			Remove("/d1/f3"),143			CreateFile("/d1/f3", []byte("updated content"), 0664),144			Chmod("/d1/f2", 0766),145			Chmod("/d2", 0777),146		),147	}148	// directoryPermissionsTest covers directory permissions on update149	directoryPermissionsTest = []Applier{150		Apply(151			CreateDir("/d1", 0700),152			CreateDir("/d2", 0751),153			CreateDir("/d3", 0777),154		),155		Apply(156			CreateFile("/d1/f", []byte("irrelevant"), 0644),157			CreateDir("/d1/d", 0700),158			CreateFile("/d1/d/f", []byte("irrelevant"), 0644),159			CreateFile("/d2/f", []byte("irrelevant"), 0644),160			CreateFile("/d3/f", []byte("irrelevant"), 0644),161		),162	}163	// parentDirectoryPermissionsTest covers directory permissions for updated164	// files165	parentDirectoryPermissionsTest = []Applier{166		Apply(167			CreateDir("/d1", 0700),168			CreateDir("/d1/a", 0700),169			CreateDir("/d1/a/b", 0700),170			CreateDir("/d1/a/b/c", 0700),171			CreateFile("/d1/a/b/f", []byte("content1"), 0644),172			CreateDir("/d2", 0751),173			CreateDir("/d2/a/b", 0751),174			CreateDir("/d2/a/b/c", 0751),175			CreateFile("/d2/a/b/f", []byte("content1"), 0644),176		),177		Apply(178			CreateFile("/d1/a/b/f", []byte("content1"), 0644),179			Chmod("/d1/a/b/c", 0700),180			CreateFile("/d2/a/b/f", []byte("content2"), 0644),181			Chmod("/d2/a/b/c", 0751),182		),183	}184	hardlinkUnmodified = []Applier{185		baseApplier,186		Apply(187			CreateFile("/etc/hosts", []byte("127.0.0.1 localhost.localdomain"), 0644),188		),189		Apply(190			Link("/etc/hosts", "/etc/hosts.deny"),191		),192	}193	// Hardlink name before with modification194	// Tests link is created for unmodified files when a new hard linked file is seen first195	hardlinkBeforeUnmodified = []Applier{196		baseApplier,197		Apply(198			CreateFile("/etc/hosts", []byte("127.0.0.1 localhost.localdomain"), 0644),199		),200		Apply(201			Link("/etc/hosts", "/etc/before-hosts"),202		),203	}204	// Hardlink name after without modification205	// tests link is created for modified file with new hardlink206	hardlinkBeforeModified = []Applier{207		baseApplier,208		Apply(209			CreateFile("/etc/hosts", []byte("127.0.0.1 localhost.localdomain"), 0644),210		),211		Apply(212			Remove("/etc/hosts"),213			CreateFile("/etc/hosts", []byte("127.0.0.1 localhost"), 0644),214			Link("/etc/hosts", "/etc/before-hosts"),215		),216	}217)...

init.go

Source:init.go

1package cmd2import (3	"github.com/aaabramov/goal/lib"4	"github.com/spf13/cobra"5	"gopkg.in/yaml.v2"6	"io/ioutil"7)8// initCmd represents the init command9var initCmd = &cobra.Command{10	Use:   "init",11	Short: "Create new goal.yaml file in current file",12	Long:  "Create new goal.yaml file in current file",13	Run: func(cmd *cobra.Command, args []string) {14		initGoals("goal.yaml")15	},16}17func init() {18	rootCmd.AddCommand(initCmd)19	// TODO: support templates20}21var defaultGoals = map[string]lib.YamlGoal{22	"test": {23		Desc:   "Run go tests",24		Cmd:    "go",25		Args:   []string{"test", "-v", "./..."},26		Assert: nil,27	},28	"terraform-workspace": {29		Desc:   "Current terraform workspace",30		Cmd:    "terraform",31		Args:   []string{"workspace", "show"},32		Assert: nil,33	},34	"terraform-apply": {35		Desc: "See https://github.com/aaabramov/goal/tree/master/examples/terraform",36		Envs: &map[string]lib.YamlEnvGoal{37			"dev": {38				Desc: "Terraform apply on dev",39				Cmd:  "terraform",40				Args: []string{"apply", "-var-file", "vars/dev.tfvars"},41				Assert: []lib.YamlAssert{42					{43						TerraformWorkspace: "dev",44					}},45			},46			"stage": {47				Desc: "Terraform apply on stage",48				Cmd:  "terraform",49				Args: []string{"apply", "-var-file", "vars/stage.tfvars"},50				Assert: []lib.YamlAssert{51					{52						TerraformWorkspace: "stage",53					},54				},55			},56		},57	},58	"k8s-apply": {59		Desc: "See https://github.com/aaabramov/goal/tree/master/examples/kubectl",60		Envs: &map[string]lib.YamlEnvGoal{61			"dev": {62				Desc: "kubectl apply on dev",63				Cmd:  "kubectl",64				Args: []string{"apply", "-f", "deployment.yaml"},65				Assert: []lib.YamlAssert{66					{67						KubectlContext: "gke_project_region_dev",68					},69					{70						Approval: "yes",71					},72				},73			},74			"stage": {75				Desc: "kubectl apply on stage",76				Cmd:  "kubectl",77				Args: []string{"apply", "-f", "deployment.yaml"},78				Assert: []lib.YamlAssert{79					{80						KubectlContext: "gke_project_region_stage",81					},82					{83						Approval: "yes",84					},85				},86			},87		},88	},89	"helm-upgrade": {90		Desc: "See https://github.com/aaabramov/goal/tree/master/examples/helm",91		Envs: &map[string]lib.YamlEnvGoal{92			"dev": {93				Desc: "helm upgrade on dev",94				Cmd:  "helm",95				Args: []string{"upgrade", "release-name", "-f", "values.yaml", "-f", "values/dev.yaml", "."},96				Assert: []lib.YamlAssert{97					{98						KubectlContext: "gke_project_region_dev",99					}},100			},101			"stage": {102				Desc: "helm upgrade on stage",103				Cmd:  "helm",104				Args: []string{"upgrade", "release-name", "-f", "values.yaml", "-f", "values/stage.yaml", "."},105				Assert: []lib.YamlAssert{106					{107						KubectlContext: "gke_project_region_stage",108					}},109			},110		},111	},112	"gcloud-ssh": {113		Desc: "See https://github.com/aaabramov/goal/tree/master/examples/gcloud",114		Envs: &map[string]lib.YamlEnvGoal{115			"dev": {116				Desc: "SSH to dev",117				Cmd:  "gcloud",118				Args: []string{"compute", "ssh", "dev-vm", "--zone=us-central1-c"},119				Assert: []lib.YamlAssert{120					{121						GcloudProject: "dev-project",122					}},123			},124			"stage": {125				Desc: "SSH to stage",126				Cmd:  "gcloud",127				Args: []string{"compute", "ssh", "stage-vm", "--zone=us-central1-c"},128				Assert: []lib.YamlAssert{129					{130						GcloudProject: "stage-project",131					}},132			},133		},134	},135}136func initGoals(filename string) {137	lib.Info("â Generating default %s file", filename)138	bytes, err := yaml.Marshal(defaultGoals)139	if err != nil {140		lib.Fatal("â Failed to generate default YAML for goals")141	}142	if err = ioutil.WriteFile(filename, bytes, 0644); err != nil {143		lib.Fatal("â Failed to create %s", filename)144	}145	lib.Info("â Generated default %s file. Try running `goal` to see available goals.", filename)146}...

Apply

Using AI Code Generation

1import (2func main() {3  fmt.Println("Hello, playground")4  fmt.Println(lib.Apply(5, 10))5}6func Apply(a, b int) int {7}

Apply

Using AI Code Generation

1import (2func main() {3 fmt.Println("Hello World")4 lib.Apply()5}6import (7func Apply() {8 fmt.Println("Applying...")9}

Apply

Using AI Code Generation

1import (2func main() {3   z = lib.Apply(x, y)4   fmt.Printf("z = %d", z)5}6import (7func main() {8   z = lib.Apply(x, y)9   fmt.Printf("z = %d", z)10}11import (12func main() {13   z = lib.Apply(x, y)14   fmt.Printf("z = %d", z)15}

Apply

Using AI Code Generation

1import (2func main() {3	fmt.Println(lib.Apply(1, 2, lib.Add))4}5import (6func main() {7	fmt.Println(lib.Apply(1, 2, lib.Multiply))8}9func Add(a, b int) int {10}11func Multiply(a, b int) int {12}13func Apply(a, b int, f func(int, int) int) int {14	return f(a, b)15}16import "testing"17func TestAdd(t *testing.T) {18	if Add(1, 2) != 3 {19		t.Fail()20	}21}22func TestMultiply(t *testing.T) {23	if Multiply(2, 3) != 6 {24		t.Fail()25	}26}

Apply

Using AI Code Generation

1import (2func main() {3    a.Apply()4    fmt.Println("Done")5}6import (7func main() {8    a.Apply()9    fmt.Println("Done")10    b.Apply()11    fmt.Println("Done")12}

Apply

Using AI Code Generation

1func main() {2    fmt.Println(a, b)3    lib.Apply(a, b)4}5import "fmt"6func Apply(a int, b int) {7    fmt.Println(a, b)8}9import "testing"10func TestApply(t *testing.T) {11    Apply(1, 2)12}13--- PASS: TestApply (0.00s)

Apply

Using AI Code Generation

1import (2func main() {3 fmt.Println(lib.Apply(a, b))4}5func Apply(a int, b int) int {6}7import (

Apply

Using AI Code Generation

1import (2func main() {3	fmt.Println("Hello World")4	apply.Apply(1, 2, add)5}6func add(x int, y int) int {7}8func Apply(x int, y int, f func(int, int) int) int {9	return f(x, y)10}11import (12func main() {13	fmt.Println("Hello World")14	apply.Apply(1, 2, add)15}16func add(x int, y int) int {17}18func Apply(x int, y int, f func(int, int) int) int {19	return f(x, y)20}

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