How to use createAndReadFile method of js Package

Best K6 code snippet using js.createAndReadFile

initcontext_test.go

Source:initcontext_test.go

...211			assert.NoError(t, err)212		})213	})214}215func createAndReadFile(t *testing.T, file string, content []byte, expectedLength int, binary bool) (*BundleInstance, error) {216	fs := afero.NewMemMapFs()217	assert.NoError(t, fs.MkdirAll("/path/to", 0755))218	assert.NoError(t, afero.WriteFile(fs, "/path/to/"+file, content, 0644))219	binaryArg := ""220	if binary {221		binaryArg = ",\"b\""222	}223	data := fmt.Sprintf(`224		export let data = open("/path/to/%s"%s);225		var expectedLength = %d;226		if (data.length != expectedLength) {227			throw new Error("Length not equal, expected: " + expectedLength + ", actual: " + data.length);228		}229		export default function() {}230	`, file, binaryArg, expectedLength)231	b, err := getSimpleBundle("/path/to/script.js", data, fs)232	if !assert.NoError(t, err) {233		return nil, err234	}235	bi, err := b.Instantiate()236	if !assert.NoError(t, err) {237		return nil, err238	}239	return bi, nil240}241func TestInitContextOpen(t *testing.T) {242	testCases := []struct {243		content []byte244		file    string245		length  int246	}{247		{[]byte("hello world!"), "ascii", 12},248		{[]byte("?((Â¯Â°Â·._.â¢ Å£â¬$Å£É¨É²Ç¥ ÂµÉ²É¨È¼à¹Äâ¬Î£SÐ« É¨É² Ð6 â¢._.Â·Â°Â¯))Øâ¢"), "utf", 47},249		{[]byte{044, 226, 130, 172}, "utf-8", 2}, // $â¬250		//{[]byte{00, 36, 32, 127}, "utf-16", 2},   // $â¬251	}252	for _, tc := range testCases {253		t.Run(tc.file, func(t *testing.T) {254			bi, err := createAndReadFile(t, tc.file, tc.content, tc.length, false)255			if !assert.NoError(t, err) {256				return257			}258			assert.Equal(t, string(tc.content), bi.Runtime.Get("data").Export())259		})260	}261	t.Run("Binary", func(t *testing.T) {262		bi, err := createAndReadFile(t, "/path/to/file.bin", []byte("hi!\x0f\xff\x01"), 6, true)263		if !assert.NoError(t, err) {264			return265		}266		bytes := []byte{104, 105, 33, 15, 255, 1}267		assert.Equal(t, bytes, bi.Runtime.Get("data").Export())268	})269	testdata := map[string]string{270		"Absolute": "/path/to/file",271		"Relative": "./file",272	}273	for name, loadPath := range testdata {274		t.Run(name, func(t *testing.T) {275			_, err := createAndReadFile(t, loadPath, []byte("content"), 7, false)276			if !assert.NoError(t, err) {277				return278			}279		})280	}281	t.Run("Nonexistent", func(t *testing.T) {282		path := filepath.FromSlash("/nonexistent.txt")283		_, err := getSimpleBundle("/script.js", `open("/nonexistent.txt"); export default function() {}`)284		assert.EqualError(t, err, fmt.Sprintf("GoError: open %s: file does not exist", path))285	})286	t.Run("Directory", func(t *testing.T) {287		path := filepath.FromSlash("/some/dir")288		fs := afero.NewMemMapFs()289		assert.NoError(t, fs.MkdirAll(path, 0755))...

createAndReadFile

Using AI Code Generation

1import (2func main() {3	js.Global.Call("createAndReadFile")4}5import (6func main() {7	js.Global.Call("createAndReadFile")8}9import (10func main() {11	js.Global.Call("createAndReadFile")12}13import (14func main() {15	js.Global.Call("createAndReadFile")16}17import (18func main() {19	js.Global.Call("createAndReadFile")20}21import (22func main() {23	js.Global.Call("createAndReadFile")24}25import (26func main() {27	js.Global.Call("createAndReadFile")28}29import (30func main() {31	js.Global.Call("createAndReadFile")32}33import (34func main() {35	js.Global.Call("createAndReadFile")36}37import (38func main() {39	js.Global.Call("createAndReadFile")40}

createAndReadFile

Using AI Code Generation

1import (2func main() {3	c := make(chan struct{}, 0)4	window := js.Global()5	document := window.Get("document")6	body := document.Get("body")7	div := document.Call("createElement", "div")8	div.Set("innerHTML", "Hello, WebAssembly!")9	body.Call("appendChild", div)10	fmt.Println("Hello, WebAssembly!")11}

createAndReadFile

Using AI Code Generation

1import (2func main() {3	js.Global().Set("createAndReadFile", js.FuncOf(createAndReadFile))4	select {}5}6func createAndReadFile(this js.Value, args []js.Value) interface{} {

createAndReadFile

Using AI Code Generation

1func main() {2	js.Global().Call("createAndReadFile", "test.txt", "Hello World")3}4function createAndReadFile(name, content) {5  var file = new File([content], name, {type: "text/plain"});6  var reader = new FileReader();7  reader.onload = function(e) {8    console.log(e.target.result);9  }10  reader.readAsText(file);11}12Recommended Posts: Node.js | fs.appendFile() method13Node.js | fs.appendFileSync() method14Node.js | fs.access() method15Node.js | fs.accessSync() method16Node.js | fs.writeFile() method17Node.js | fs.writeFileSync() method18Node.js | fs.readFile() method19Node.js | fs.readFileSync() method20Node.js | fs.unlink() method21Node.js | fs.unlinkSync() method22Node.js | fs.rename() method23Node.js | fs.renameSync() method24Node.js | fs.copyFile() method25Node.js | fs.copyFileSync() method26Node.js | fs.mkdir() method27Node.js | fs.mkdirSync() method28Node.js | fs.rmdir() method29Node.js | fs.rmdirSync() method30Node.js | fs.readdir() method31Node.js | fs.readdirSync() method32Node.js | fs.stat() method33Node.js | fs.statSync() method34Node.js | fs.watch() method35Node.js | fs.watchFile() method36Node.js | fs.unwatchFile() method37Node.js | fs.createReadStream() method38Node.js | fs.createWriteStream() method39Node.js | fs.watch() method40Node.js | fs.watchFile() method41Node.js | fs.unwatchFile() method42Node.js | fs.createReadStream() method

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