Update module go.k6.io/k6 to v0.57.0

[elastic-renovate-prod]

This PR contains the following updates:

Package	Type	Update	Change
go.k6.io/k6	require	minor	v0.56.0 -> v0.57.0

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Release Notes

grafana/k6 (go.k6.io/k6)

v0.57.0

Compare Source

k6 v0.57.0 is here 🎉! This release includes:

• Introducing helpers for functional testing.
• The k6 new command now supports templates and ProjectIDs.
• The k6/experimental/csv module gets a new asObjects option.
• We no longer support the k6/experimental/browser module, in favor of k6/browser.
• Moving most of non-public APIs to the internal package.

Breaking changes

• #​4161 Drops k6/experimental/browser. If you're still using it, follow the instructions to move to the graduated and stable k6/browser module.
• #​4133 Moves all not publicly used APIs in internal package. This was based on the publicly available extensions for k6 and may break private ones. More APIs will likely be removed or updated in follow-up releases after this more mechanical change.
• #​4292 TypeScript is automatically supported and recognized if the script files use the .ts extension. It also deprecates experimental_enhanced compatibility mode as it is no longer necessary.

New features

New functional testing focused official jslib k6-testing

The k6 team has been developing a new official jslib dedicated to functional testing. While it is still under active development and will potentially see breaking changes, the set of APIs and behaviors it offers are meant to make their way into k6 eventually, and it is now available for early feedback.

k6-testing is a k6 JavaScript library that offers a seamless way to write functional tests in k6, using a Playwright-compatible assertions API. It exposes an expect function, with which assertions can be performed using specific matchers that reflect the expected results.
Unlike current k6's check when expects assertions fail, the test will immediately fail with a clear error message, including the expected and actual values in a similar fashion to what users would observe when using Playwright assertions.

There are many generic matchers (and more to come), such as toEqual, toBe, or toBeTruthy, to only name a few, that can be used to assert conditions during a k6 test.

import { expect } from 'https://jslib.k6.io/k6-testing/0.2.0/index.js';

export default function () {
    const response = http.get('https://test.k6.io');
    expect(response.status).toEqual(200);
    expect(response.body).toBeTruthy();
    expect(response.json()).toEqual(JSON.stringify({ message: 'Hello, world!' }));
}

k6-jslib-testing also includes browser-specific async matchers that wait until the expected condition is met such as toBeVisible, toBeDisabled, or toBeChecked, to name a few.

import { expect } from "https://jslib.k6.io/k6-testing/0.2.0/index.js";
import { browser } from "k6/browser";

export const options = {
  scenarios: {
    ui: {
      executor: "shared-iterations",
      options: {
        browser: {
          type: "chromium",
        },
      },
    },
  },
};

export default async function () {
  const page = await browser.newPage();

  try {
    // Navigate to the page
    await page.goto("https://test.k6.io/my_messages.php");

    // Type into the login input field: 'testlogin'
    const loc = await page.locator('input[name="login"]');
    await loc.type("testlogin");

    // Assert that the login input field is visible
    await expect(page.locator('input[name="login"]')).toBeVisible();

    // Expecting this to fail as we have typed 'testlogin' into the input instead of 'foo'
    await expect(page.locator('input[name="login"]')).toHaveValue("foo");
  } finally {
    await page.close();
  }
}

It is currently available as part of the jslib.k6.io repository and is available to use in your k6 tests by adding the following import:

import { expect } from "https://jslib.k6.io/k6-testing/0.2.0/index.js";

Try it out and give us feedback or contribute to the project on the k6-jslib-testing repository!

--template and --project-id flags for k6 new command #​4153

The k6 new command has been revamped to provide an improved experience when scaffolding new k6 tests. It now supports a --template flag with options such as minimal, protocol, and browser, letting you generate a script tailored to your specific use case.

The command also now accepts a --project-id flag, which allows you to easily parameterize the test's Grafana Cloud configuration.

### Create a new k6 script using the 'protocol' template
$ k6 new --template protocol

### Create a Grafana k6 cloud-ready script with a specific project ID
$ k6 new --project-id 12345

New asObjects option in k6/experimental/csv module #​4295

The CSV module's parsing operations now support the asObjects option, which enables parsing CSV data into JavaScript objects instead of arrays of strings (the default behavior).

When asObjects is set to true, the module parses CSV data into objects where:

• Column names from the header row become object keys.
• Column values become the corresponding object values.
• An error is thrown if no header row exists or if options modify the parsing start point.

With the option set to true,

import http from 'k6/http';
import csv from 'k6/experimental/csv';

const csvData = csv.parse('data.csv', { asObjects: true });

the following CSV file:

name,age,city
John,30,New York
Jane,25,Los Angeles

will be parsed into the following JavaScript objects:

[
  { name: 'John', age: '30', city: 'New York' },
  { name: 'Jane', age: '25', city: 'Los Angeles' },
]

Refer to the CSV module's documentation for more information.

UX improvements and enhancements

• #​4176 Warns on using shorthand options when that override scenarios.
• #​4293 Renames browser data directory name prefix from xk6-browser-data- to k6browser-data-.
• #​4513 Adds support for file scheme URLs across file loading APIs - open, k6/experimental/fs.open and k6/net/grpc.Client#load.
• #​4517 Switches from the legacy examples to quickpizza.grafana.com.

Bug fixes

• #​4536, #​4534, #​4533, #​4531, #​4530, #​4528, #​4523, #​4522, #​4521 Fix possible data races while using k6 browser's APIs.
• #​4174 Fixes an NPD during a click, which could occur when either the load generator or chrome instance is under a lot of load.
• #​4192 Fixes a memory leak in general event handling between components.
• #​4280 Fixes an NPD by not disposing of the original handle.
• #​4288 Cleans up browser download path artifacts after a test run.
• #​4532 Fixes --local-execution runs by isolating Archive's urls.

Maintenance and internal improvements

• #​4184 Fixes some browser Windows tests.
• #​4131 Moves experimental WebSocket code into the k6 codebase.
• #​4143 Fixes for k6packager workflow building image to do k6 releases.
• #​4172 Drops Slack URL from the README.
• #​4173 Updates dependencies in gRPC example server.
• #​4187 Removes packaging folder from browser module - not needed after it was moved to the k6 codebase.
• #​4188, #​4190 Merge xk6-webcrypto extension code into k6.
• #​4189 Uses modulestest to make experimental streams test simpler.
• #​4191 Removes BaseEventEmitter from components that don't work with it.
• #​4201 Tracks more dependencies to dependabot.
• #​4212 Fixes gRPC tests after update to golang internal test certificates.
• #​4213 Updates k6-taskqueue-lib to v0.1.3.
• #​4271 Runs dependabot weekly instead of daily.
• #​4275 Fixes the browser module working with reused VUs that originally weren't used in browser scenarios.
• #​4276 REST API stays on while outputs are flushing, only stopping after that.
• #​4294 TestStreamLogsToLogger: increase wait time to get less flakiness.
• #​4209, #​4208, #​4196, #​4195, #​4193, #​4177, #​4163, #​4151, #​4213 Update direct dependencies.
• #​4198 Adds a multiple forward-slash test case. Thanks, @​apatruni, for the contribution!
• #​4504, #​4506 Update the golangci-lint version.
• #​4298 Adds test coverage for configuration file's operations.

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[elastic-renovate-prod]

ℹ Artifact update notice

File name: go.mod

In order to perform the update(s) described in the table above, Renovate ran the go get command, which resulted in the following additional change(s):

• 13 additional dependencies were updated
• The go directive was updated for compatibility reasons

Details:

Package	Change
go	1.23.6 -> 1.24.0
golang.org/x/time	v0.8.0 -> v0.9.0
github.com/mailru/easyjson	v0.7.7 -> v0.9.0
github.com/mattn/go-colorable	v0.1.13 -> v0.1.14
go.opentelemetry.io/otel	v1.29.0 -> v1.31.0
go.opentelemetry.io/otel/metric	v1.29.0 -> v1.31.0
go.opentelemetry.io/otel/sdk	v1.29.0 -> v1.31.0
go.opentelemetry.io/otel/trace	v1.29.0 -> v1.31.0
golang.org/x/net	v0.33.0 -> v0.34.0
golang.org/x/sys	v0.28.0 -> v0.29.0
google.golang.org/genproto/googleapis/api	v0.0.0-20240822170219-fc7c04adadcd -> v0.0.0-20241015192408-796eee8c2d53
google.golang.org/genproto/googleapis/rpc	v0.0.0-20240822170219-fc7c04adadcd -> v0.0.0-20241015192408-796eee8c2d53
google.golang.org/grpc	v1.67.1 -> v1.69.4
google.golang.org/protobuf	v1.35.1 -> v1.36.3

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