k6 extension for writing files, implemented using the xk6 system.
xk6 build v0.58.0 --with github.com/avitalique/xk6-file@latestimport http from 'k6/http';
import { check } from 'k6';
import file from 'k6/x/file';
const filepath = 'sample-output.txt';
const binaryFilepath = 'sample-image.jpg';
const dirPath = 'test-dir';
export default function () {
// Write/append string to file
file.writeString(filepath, 'New file. First line.\n');
file.appendString(filepath, `Second line. VU: ${__VU} - ITER: ${__ITER}`);
// Read file
const fileContent = file.readFile(filepath);
check(fileContent, {
"file content is correct": (content) =>
content.includes("New file. First line.") &&
content.includes(`Second line. VU: ${__VU} - ITER: ${__ITER}`),
});
// Remove rows from text file/clear file content/delete file
file.removeRowsBetweenValues(filepath, 2, 2);
file.clearFile(filepath);
file.deleteFile(filepath);
// Write binary file
let response = http.get("https://upload.wikimedia.org/wikipedia/commons/3/3f/JPEG_example_flower.jpg", {
responseType: "binary",
});
check(response, { 'status was 200': response.status === 200 });
file.writeBytes(binaryFilepath, Array.from(new Uint8Array(response.body)));
// Rename file
file.renameFile(binaryFilepath, 'renamed-image.jpg')
// Create directory
file.createDirectory(dirPath);
check(file.writeString(`${dirPath}/test-file.txt`, "Testing directory creation.") === undefined, {
"directory created": (result) => result,
});
// Delete directory
file.deleteDirectory(dirPath);
check(
(() => {
try {
file.writeString(`${dirPath}/test-file.txt`, "This should fail.");
return false;
} catch (e) {
return true;
}
})(),
{
"directory deleted": (result) => result,
}
);
}./k6 run examples/sample-script.js