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K6
lib
dumpMemMapFsToBuf

How to use dumpMemMapFsToBuf method of lib Package

Best K6 code snippet using lib.dumpMemMapFsToBuf

old_archive_test.go

Source:old_archive_test.go

...11	"github.com/luckybroman5/http-log-reconstructor/k6/lib/scheduler"12	"github.com/spf13/afero"13	"github.com/stretchr/testify/require"14)15func dumpMemMapFsToBuf(fs afero.Fs) (*bytes.Buffer, error) {16	var b = bytes.NewBuffer(nil)17	var w = tar.NewWriter(b)18	err := fsext.Walk(fs, afero.FilePathSeparator,19		filepath.WalkFunc(func(filePath string, info os.FileInfo, err error) error {20			if filePath == afero.FilePathSeparator {21				return nil // skip the root22			}23			if err != nil {24				return err25			}26			if info.IsDir() {27				return w.WriteHeader(&tar.Header{28					Name:     path.Clean(filepath.ToSlash(filePath)[1:]),29					Mode:     0555,30					Typeflag: tar.TypeDir,31				})32			}33			var data []byte34			data, err = afero.ReadFile(fs, filePath)35			if err != nil {36				return err37			}38			err = w.WriteHeader(&tar.Header{39				Name:     path.Clean(filepath.ToSlash(filePath)[1:]),40				Mode:     0644,41				Size:     int64(len(data)),42				Typeflag: tar.TypeReg,43			})44			if err != nil {45				return err46			}47			_, err = w.Write(data)48			if err != nil {49				return err50			}51			return nil52		}))53	if err != nil {54		return nil, err55	}56	return b, w.Close()57}58func TestOldArchive(t *testing.T) {59	var testCases = map[string]string{60		// map of filename to data for each main file tested61		"github.com/luckybroman5/http-log-reconstructor/k6/samples/example.js": `github file`,62		"cdnjs.com/packages/Faker":                    `faker file`,63		"C:/something/path2":                          `windows script`,64		"/absolulte/path2":                            `unix script`,65	}66	for filename, data := range testCases {67		filename, data := filename, data68		t.Run(filename, func(t *testing.T) {69			metadata := `{"filename": "` + filename + `", "options": {}}`70			fs := makeMemMapFs(t, map[string][]byte{71				// files72				"/files/github.com/luckybroman5/http-log-reconstructor/k6/samples/example.js": []byte(`github file`),73				"/files/cdnjs.com/packages/Faker":                    []byte(`faker file`),74				"/files/example.com/path/to.js":                      []byte(`example.com file`),75				"/files/_/C/something/path":                          []byte(`windows file`),76				"/files/_/absolulte/path":                            []byte(`unix file`),77				// scripts78				"/scripts/github.com/luckybroman5/http-log-reconstructor/k6/samples/example.js2": []byte(`github script`),79				"/scripts/cdnjs.com/packages/Faker2":                    []byte(`faker script`),80				"/scripts/example.com/path/too.js":                      []byte(`example.com script`),81				"/scripts/_/C/something/path2":                          []byte(`windows script`),82				"/scripts/_/absolulte/path2":                            []byte(`unix script`),83				"/data":                                                 []byte(data),84				"/metadata.json":                                        []byte(metadata),85			})86			buf, err := dumpMemMapFsToBuf(fs)87			require.NoError(t, err)88			var (89				expectedFilesystems = map[string]afero.Fs{90					"file": makeMemMapFs(t, map[string][]byte{91						"/C:/something/path":  []byte(`windows file`),92						"/absolulte/path":     []byte(`unix file`),93						"/C:/something/path2": []byte(`windows script`),94						"/absolulte/path2":    []byte(`unix script`),95					}),96					"https": makeMemMapFs(t, map[string][]byte{97						"/example.com/path/to.js":                       []byte(`example.com file`),98						"/example.com/path/too.js":                      []byte(`example.com script`),99						"/github.com/luckybroman5/http-log-reconstructor/k6/samples/example.js":  []byte(`github file`),100						"/cdnjs.com/packages/Faker":                     []byte(`faker file`),101						"/github.com/luckybroman5/http-log-reconstructor/k6/samples/example.js2": []byte(`github script`),102						"/cdnjs.com/packages/Faker2":                    []byte(`faker script`),103					}),104				}105			)106			arc, err := ReadArchive(buf)107			require.NoError(t, err)108			diffMapFilesystems(t, expectedFilesystems, arc.Filesystems)109		})110	}111}112func TestUnknownPrefix(t *testing.T) {113	fs := makeMemMapFs(t, map[string][]byte{114		"/strange/something": []byte(`github file`),115	})116	buf, err := dumpMemMapFsToBuf(fs)117	require.NoError(t, err)118	_, err = ReadArchive(buf)119	require.Error(t, err)120	require.Equal(t, err.Error(),121		"unknown file prefix `strange` for file `strange/something`")122}123func TestFilenamePwdResolve(t *testing.T) {124	var tests = []struct {125		Filename, Pwd, version              string126		expectedFilenameURL, expectedPwdURL *url.URL127		expectedError                       string128	}{129		{130			Filename:            "/home/nobody/something.js",131			Pwd:                 "/home/nobody",132			expectedFilenameURL: &url.URL{Scheme: "file", Path: "/home/nobody/something.js"},133			expectedPwdURL:      &url.URL{Scheme: "file", Path: "/home/nobody"},134		},135		{136			Filename:            "github.com/luckybroman5/http-log-reconstructor/k6/samples/http2.js",137			Pwd:                 "github.com/luckybroman5/http-log-reconstructor/k6/samples",138			expectedFilenameURL: &url.URL{Opaque: "github.com/luckybroman5/http-log-reconstructor/k6/samples/http2.js"},139			expectedPwdURL:      &url.URL{Opaque: "github.com/luckybroman5/http-log-reconstructor/k6/samples"},140		},141		{142			Filename:            "cdnjs.com/libraries/Faker",143			Pwd:                 "/home/nobody",144			expectedFilenameURL: &url.URL{Opaque: "cdnjs.com/libraries/Faker"},145			expectedPwdURL:      &url.URL{Scheme: "file", Path: "/home/nobody"},146		},147		{148			Filename:            "example.com/something/dot.js",149			Pwd:                 "example.com/something/",150			expectedFilenameURL: &url.URL{Host: "example.com", Scheme: "", Path: "/something/dot.js"},151			expectedPwdURL:      &url.URL{Host: "example.com", Scheme: "", Path: "/something"},152		},153		{154			Filename:            "https://example.com/something/dot.js",155			Pwd:                 "https://example.com/something",156			expectedFilenameURL: &url.URL{Host: "example.com", Scheme: "https", Path: "/something/dot.js"},157			expectedPwdURL:      &url.URL{Host: "example.com", Scheme: "https", Path: "/something"},158			version:             "0.25.0",159		},160		{161			Filename:      "ftps://example.com/something/dot.js",162			Pwd:           "https://example.com/something",163			expectedError: "only supported schemes for imports are file and https",164			version:       "0.25.0",165		},166		{167			Filename:      "https://example.com/something/dot.js",168			Pwd:           "ftps://example.com/something",169			expectedError: "only supported schemes for imports are file and https",170			version:       "0.25.0",171		},172	}173	for _, test := range tests {174		metadata := `{175		"filename": "` + test.Filename + `",176		"pwd": "` + test.Pwd + `",177		"k6version": "` + test.version + `",178		"options": {}179	}`180		buf, err := dumpMemMapFsToBuf(makeMemMapFs(t, map[string][]byte{181			"/metadata.json": []byte(metadata),182		}))183		require.NoError(t, err)184		arc, err := ReadArchive(buf)185		if test.expectedError != "" {186			require.Error(t, err)187			require.Contains(t, err.Error(), test.expectedError)188		} else {189			require.NoError(t, err)190			require.Equal(t, test.expectedFilenameURL, arc.FilenameURL)191			require.Equal(t, test.expectedPwdURL, arc.PwdURL)192		}193	}194}195func TestDerivedExecutionDiscarding(t *testing.T) {196	var emptyConfigMap scheduler.ConfigMap197	var tests = []struct {198		metadata     string199		expExecution interface{}200		expError     string201	}{202		{203			metadata: `{204				"filename": "/test.js", "pwd": "/",205				"options": { "execution": { "something": "invalid" } }206			}`,207			expExecution: emptyConfigMap,208		},209		{210			metadata: `{211				"filename": "/test.js", "pwd": "/",212				"k6version": "0.24.0",213				"options": { "execution": { "something": "invalid" } }214			}`,215			expExecution: emptyConfigMap,216		},217		{218			metadata: `blah`,219			expError: "invalid character",220		},221		{222			metadata: `{223				"filename": "/test.js", "pwd": "/",224				"k6version": "0.24.0"225			}`,226			expError: "missing options key",227		},228		{229			metadata: `{230				"filename": "/test.js", "pwd": "/",231				"k6version": "0.24.0",232				"options": "something invalid"233			}`,234			expError: "wrong options type in metadata.json",235		},236		{237			metadata: `{238				"filename": "/test.js", "pwd": "/",239				"k6version": "0.25.0",240				"options": { "execution": { "something": "invalid" } }241			}`,242			expError: "cannot unmarshal string",243		},244		{245			metadata: `{246				"filename": "/test.js", "pwd": "/",247				"k6version": "0.25.0",248				"options": { "execution": { "default": { "type": "per-vu-iterations" } } }249			}`,250			expExecution: scheduler.ConfigMap{251				DefaultSchedulerName: scheduler.NewPerVUIterationsConfig(DefaultSchedulerName),252			},253		},254	}255	for _, test := range tests {256		buf, err := dumpMemMapFsToBuf(makeMemMapFs(t, map[string][]byte{257			"/metadata.json": []byte(test.metadata),258		}))259		require.NoError(t, err)260		arc, err := ReadArchive(buf)261		if test.expError != "" {262			require.Error(t, err)263			require.Contains(t, err.Error(), test.expError)264		} else {265			require.NoError(t, err)266			require.Equal(t, test.expExecution, arc.Options.Execution)267		}268	}269}...

dumpMemMapFsToBuf

Using AI Code Generation

1import (2type MemMapFs struct {3}4func (m *MemMapFs) GetAttr(name string, context *fuse.Context) (*fuse.Attr, fuse.Status) {5	fmt.Printf("GetAttr(%q)6	return &fuse.Attr{Mode: fuse.S_IFDIR | 0755}, fuse.OK7}8func (m *MemMapFs) OpenDir(name string, context *fuse.Context) (c []fuse.DirEntry, code fuse.Status) {9	fmt.Printf("OpenDir(%q)10	return []fuse.DirEntry{11		{Name: "hello", Mode: fuse.S_IFREG | 0644},12		{Name: "world", Mode: fuse.S_IFREG | 0644},13	}, fuse.OK14}15func (m *MemMapFs) Open(name string, flags uint32, context *fuse.Context) (file nodefs.File, code fuse.Status) {16	fmt.Printf("Open(%q)17	return nodefs.NewDataFile([]byte("Hello World18}19func (m *MemMapFs) String() string {20}21func main() {22	if len(os.Args) != 2 {23		fmt.Printf("usage: %s MOUNTPOINT24		os.Exit(2)25	}26	pathfs := pathfs.NewPathNodeFs(&MemMapFs{FileSystem: pathfs.NewDefaultFileSystem()}, nil)27	conn := nodefs.NewFileSystemConnector(pathfs.Root(), nil)28	server, _, err := nodefs.MountRoot(os.Args[1], conn.Root(), nil)29	if err != nil {30		log.Fatal("Mount fail: %v", err)31	}32	lib := lib.New()33	lib.DumpMemMapFsToBuf(server)34	server.Serve()35}36import (37type Lib struct {

dumpMemMapFsToBuf

Using AI Code Generation

1import (2type Lib struct{}3func (l *Lib) DumpMemMapFsToBuf() (string, error) {4    err = filepath.Walk("/tmp/mem_map_fs", func(path string, info os.FileInfo, err error) error {5        if err != nil {6        }7        if info.IsDir() {8        }9        f, err := os.Open(path)10        if err != nil {11        }12        defer f.Close()13        _, err = io.Copy(&buf, f)14        if err != nil {15        }16    })17    if err != nil {18    }19    return buf.String(), nil20}21func main() {22    l := &Lib{}23    buf, err := l.DumpMemMapFsToBuf()24    if err != nil {25        panic(err)26    }27    fmt.Println(buf)28}29func Copy(dst Writer, src Reader) (written int64, err error) {30    if wt, ok := src.(WriterTo); ok

dumpMemMapFsToBuf

Using AI Code Generation

1import (2func main() {3    memFs := afero.NewMemMapFs()4    _, err := memFs.Create("test.txt")5    if err != nil {6        fmt.Println(err)7    }8    buf := new(bytes.Buffer)9    err = afero.DumpMemMapFsToBuf(memFs, buf)10    if err != nil {11        fmt.Println(err)12    }13    fmt.Println(buf.String())14}

dumpMemMapFsToBuf

Using AI Code Generation

1func main() {2    dumpMemMapFsToBuf(&buf)3    fmt.Printf("%s", buf.String())4}5func dumpMemMapFsToBuf(buf *bytes.Buffer) {6    fs := afero.NewMemMapFs()7    fs.Mkdir("/test", 0777)8    afero.WriteFile(fs, "/test/test.txt", []byte("hello"), 0777)9    afero.Walk(fs, "/", func(path string, info os.FileInfo, err error) error {10        buf.WriteString(path + "11    })12}

dumpMemMapFsToBuf

Using AI Code Generation

1func main() {2    fs := memfs.New()3    f, err := fs.Create("foo.txt")4    if err != nil {5        panic(err)6    }7    defer f.Close()8    f.Write([]byte("Hello, world!"))9    buf := new(bytes.Buffer)10    memfs.DumpMemMapFsToBuf(fs, buf)11    fmt.Println(buf.String())12}13func main() {14    fs := memfs.New()15    f, err := fs.Create("foo.txt")16    if err != nil {17        panic(err)18    }19    defer f.Close()20    f.Write([]byte("Hello, world!"))21    memfs.DumpMemMapFsToFile(fs, "foo.txt")22}23func main() {24    fs := memfs.New()25    f, err := fs.Create("foo.txt")26    if err != nil {27        panic(err)28    }29    defer f.Close()30    f.Write([]byte("Hello, world!"))31    memfs.DumpMemMapFs(fs)32}33func main() {34    fs := memfs.New()35    f, err := fs.Create("foo.txt")36    if err != nil {37        panic(err

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