Xk6 browser. Building your first extension. ​

You can now simulate the bulk of traffic with protocol-level scenarios as usual, and at the same time, have a Virtual May 16, 2022 · The page. The test run ID is 155045. 119 snap Docker version and image (if applicable) No response Steps to reproduce the problem import { sleep } from 'k6'; import { chromium } from 'k6/x Does not run natively in a browser. Extensions are developed both by the k6 developers and by the open-source developer community. Feb 14, 2023 · xk6 browser is an extension of k6 that brings browser automation and end-to-end web testing to k6 while supporting core k6 features. Skipping the browser allows running more load within a single machine. XK6_HEADLESS ? true : false Nov 9, 2021 · With xk6-browser, you can interact with the browser to test your web applications end-to-end while accessing all of the k6 core features, including protocol-level APIs and other k6 extensions. Below the code I use for the browser interactions. I took a look at the dockerfile that you’ve created and found that it should work if you issue the following command: Feb 11, 2023 · Hello, I tried to use xk6-browser with influxDB 1. 46. Jul 3, 2023 · Before version v0. 0 of xk6-browser. It adds a set of APIs at the browser-level to interact with browsers, enabling developers to collect frontend performance metrics as part of their k6 tests. 19. panic: GoError: attaching iframe: attaching iframe target ID 153A0D279584840F49FB1E718A8297AB Mar 28, 2023 · Hello, My OS is Windows 10, I have installed k6 v0. The first step of the investigation was to try to replicate the issue. xk6-browser client-side test result for single user one iteration is not correct I have just started using xk6-browser, and executed following test script. ). 1 LTS Chrome version Chromium 109. Path: Copied! Using k6 browser Results output; Testing guides Dec 15, 2021 · You signed in with another tab or window. Also, some options are never parsed (as explained below). If we do “http. Interact with elements on your webpage k6 extension that adds support for browser automation and end-to-end web testing via the Chrome Devtools Protocol - swG2/mosaicoo-xk6-browser Feb 28, 2023 · The method page. xk6-browser doesn't deal with iframes that well yet, so we need to use a workaround using page. make sure to set browser type option in scenario definition in order to use the browser module. 19, darwin/arm64) OS macOS 12. xk6-browser version. Or, a user could provide headless: "hide" (a superficial example, but it can happen) and expect a headful browser. import launcher from 'k6/x/browser'; let step = 1; function lo Jul 15, 2022 · import launcher from 'k6/x/browser'; const browser = launcher. This project was inspired by xk6-browser. Background: I am trying to open a webpage of a company’s webapp hosted on a remote machine. Feb 21, 2023 · On the other hand, xk6-browser was designed to provide rough compatibility with the Playwright API, so developers don't need to learn an entirely new API to take advantage of the browser automation and web testing capabilities that xk6-browser provides. 0, no errors when running with 5 VUs, duration 60 secs, when increasing the number of VUs, I am getting several errors, is there some limitation about number of VUs ? how could I avoid to get those kind of errors? ERRO[0030] process with PID 35832 unexpectedly ended: exit status 1 category=browser elapsed=“221 ms” goroutine=219 ERRO Apr 14, 2023 · You signed in with another tab or window. It avoids having to setup a local Go environment, and install xk6 manually. browser is available in the cloud so that I can perform like a 100. launch({ args: [], // Extra commandline arguments to include when Sep 6, 2022 · Hi Rody, This question seems to be unrelated to xk6-browser and more to do with how to work with docker, so probably better suited for a different forum. js Errors: ERRO[0000] Uncaught (in promise) GoError: browser not found in registry&hellip; Mar 16, 2022 · What I’m doing here is I’m instructing xk6 to create a build using version 0. Jun 8, 2023 · Once grafana/k6#2432 is done, k6 browser, as a JSModule, will be able to receive events from k6 core for: Init: when k6 starts initializing outputs, VUs and executors. Brief summary Panic on attaching iframe when getting browser window ID. Thus xk6 playwright was born! Feb 9, 2022 · I'm using xk6 and xk6-browser for the first time. It’s a single tool for both protocol and browser-level testing. In your case, since you installed k6 via Brew, you can’t just run k6 run <xk6-browser script>, since that k6 binary doesn’t have the k6/x/browser module. With xk6 and the Go toolchain, you can build the k6 binary with the combination of extensions you want. We were able to replicate the issue quite easily when connected to a remote Chrome instance, but not at all when running it to a locally running chrome instance. 42. 8 and Grafana integration, and I have troubles with a table that shows list of http queries. Currently, the browser module supports the standard CSS and XPath selectors. js test script from within WSL2 and using docker, it is unable to correctly run the test and seems to fail when trying to click on a link from test. The xk6 command has two primary uses:. 4, linux/amd64) OS Ubuntu Linux 22. Nov 3, 2022 · You signed in with another tab or window. xk6-ssh: a client for performing commands over SSH. xk6-zmq: a ZeroMQ client. 2 (22D49) Chrome version Version 110. xk6-browser version 0fcdd36 OS Linux Docker version and image (if applicable) No response Apr 27, 2022 · A file ‘xk6-browser’ exists at my working directory, it is approximately 30KB in size. Could you please search and create a new post in our community forum next time. A k6 extension that that makes k6 metrics available on a web-based dashboard. It is unclear how to set it up from the articles and readme. 4. By default, k6 does not render web pages the same way a browser does. 43. Mar 7, 2023 · Currently --no-sandbox browser flag is set by default, and is also set "forcefully" if it has been disabled but xk6-browser is run by root user. Jul 30, 2023 · Today will introduce the xk6 browser is an extension of K6. On my computer I was able to click the Yes button also with the workaround. 46). Chaos Testing: K6 can simulate traffic and inject different types of faults in Kubernetes with xk6-disruptor. Learn why it's been merged and a migration guide for users using the old version of xk6-browser. We don't need to panic if we directly import chromium from k6/x/browser as users can catch the problem before running their scripts (as Playwright): Template repository for a monorepo with playwright e2e tests and xk6-browser load testing, using Typescript - xk6-browser-template-typescript-playwright/README. I have installed the latest xk6-browser using the below commands. Not sure why - I think this was working before I pulled the latest xk6-browser. log: The process canno Oct 20, 2022 · xk6-browser and the running test isn’t concerned with that error, and the test will pass. When using Docker to run k6 browser tests, make sure you have pulled the correct image with Chromium built-in. /xk6-browser run Browser/browser-test. Nov 27, 2023 · To get started with xk6-dashboard we can either download the you can click on the “Report” tab at the top-right of the browser which takes you to a summary of containing a collation of all Dec 13, 2023 · You signed in with another tab or window. An alternative way to building xk6-browser is to build it manually. OS. To review the complete list of browser metrics, refer to the section in the Metrics Sep 21, 2023 · Hi @jeromebrongniart,. 71 (Official Build) (arm64) Docker version and image (if applicable) NA. 5249. You can then control more specific rules for whether to send the cookie data or not, including limiting it to specific subdomains or paths. To learn more about why the team decided to merge xk6-browser to k6 core, as well as the changes to your browser test scripts, check out our k6 browser module announcement blog post. Give it a try. xk6-sql: a SQL extension to test against PostgreSQL, MySQL and SQLite. xk6 browser is a browser automation and end-to-end web testing, that allows using all features we have in K6 for our UI application. 0. Oct 25, 2022 · However, "false" will become true and launch a headless browser instead. Steps to reproduce the problem. Aug 27, 2023 · Brief summary I try to set up browser tests with k6. xk6-browser version v0. k6 Cloud Dec 7, 2022 · xk6-browser version. Use the panic-site-goto. I had to fix the HTML you posted, because it is not valid. Aug 10, 2023 · Precise Browser Testing Leverage — k6’s browser module for laser-focused performance evaluations, In order to build the binary using xk6, take a look into this Dockerfile example: Oct 26, 2023 · @maxahudson. 1. If we consider simple steps where we I'm not sure if this is a recent change to their documentation, but . js instead. requestByID that happens while initializing (*NetworkManager). Also seeing a panic: send on closed channel but I think that might be happening as a result of earlier errors (like the above), i. I actually want to stress test this flow so wanted to throw a lot more than 3 VUs at it hence wanting to use headless mode. k6 extension that adds support for browser automation and end-to-end web testing via the Chrome Devtools Protocol - grafana/xk6-browser xk6-browser is now an experimental module in k6. Feb 1, 2023 · Hi, I am attempting to run a very simple test which is having issues due to err:net::ERR_CERT_AUTHORITY_INVALID while trying to load the page. 765bcc4. launch({ headless: false }); Feb 10, 2023 · If you want to know more on how to get started with xk6-browser, check out our previous getting started with xk6-browser blog post. Currently, most of the stress test frameworks do the stress test… Sep 28, 2022 · Hello! I have been working on writing a Dockerfile so that I can run a xk6-browser test that I have written, but am having a lot of trouble with getting the Dockerfile to build and run properly. There is an issue created in order to bundle a browser in the k6 Docker image that you can track here. Performance and synthetic monitoring In this video, we talk about how to organize testing scripts in k6 using features like tags, groups, and functions depending on what type of testing you want Oct 23, 2022 · Hi @inanc,. This flag should be removed as default. Reload to refresh your session. Explore k6 extensions With over 50 available extensions, the k6 extension ecosystem has many options to meet your requirements and help you incorporate new protocol access, embed a particular client, or improve your test performance. Feb 12, 2023 · If you want to know more on how to get started with xk6-browser, check out our previous getting started with xk6-browser blog post. Feb 18, 2023 · I am using the latest xk6 browser. When writing browser-level tests, it’s recommended to use selectors that are robust to avoid test flakiness when the DOM structure changes. 6 (21G115) Chrome version 106. Thanks and kind regards Jul 31, 2023 · Brief summary There is a flaky bug in (*Frame). url() is not working for me, I thought there is a version problem with xk6-browser, so I found in the k6 github: “All xk6-browser scripts that work with v0. Compile custom k6 binaries; A replacement for go run while developing k6 extensions; The xk6 command will use the latest version of k6 by default. k6 version 0. Mar 14, 2024 · Package browser provides an entry point to the browser extension. Nov 8, 2022 · Brief summary When running the fillform. What version of xk6-browser are you running and where did you get the binary from? The Get Started guide on xk6-browser might also help. js The test attempts to launch a ‘chromium’ browser When I type ‘. Jan 19, 2022 · k6. The rest of the episode was centered on a demo that showed how Faro works along with xk6-browser. It's tedious to write XK6_BROWSER_LOG, longer and with underscores. Performance Monitoring: With k6, you can automate and schedule to trigger tests very frequently with a small load to continuously validate the performance and availability of your production environment. What is k6 browser module? The k6 browser module brings browser automation and end-to-end web testing to k6 while supporting core k6 features. You signed out in another tab or window. Cheers, Ankur Jan 19, 2023 · Hi Team, I am using xk6-browser to automate a workflow which involve- Opening Home Page (Page 1) Enter username , password, click submit button on clicking submit, it redirects to another page (Page 2) Perform some action on Page 2 which opens Page 3 My Test Looks like - export function webtest() { const browser = chromium. Nov 8, 2023 · Hey @umaisummer, welcome to the forum!. We are interesting in exploring using xk6-browser for testing a new project. 1 Docker version and image (if applicable) grafana/k6:0. 2, as it includes multiple breaking changes concerning options, browser lifecycle, and metrics. i&hellip; Dec 13, 2021 · We use XK6_BROWSER_LOG=debug|trace| to enable logs that are equal to or below the specified level: This makes it harder to filter the logs (unless using a command-line filter like awk etc. locator(selector[, options]) method creates and returns a new Locator. js’ in PowerShell from my working directory a Windows dialog appears “How do you want to open this file?”, with options such as Marie Drake, the newest Developer Advocate to join the k6 team, shares her experience in getting started with xk6-browser: how to install it, issues she enco . So now that we have a version of k6 that includes xk6-browser, the next step is to create the browser script. macOS 12. 0 OS macOS Feb 20, 2023 · xk6-browser provides us with the power of browser automation and end-to-end web testing, all while supporting core k6 features. Now we wanted to run some shell scripts b/w script so we have installed Install xk6 : go install go. md at main · ticup/xk6-browser-template-typescript-playwright Nov 14, 2021 · Saved searches Use saved searches to filter your results more quickly Feb 3, 2023 · Hey all I am very new to xk6-browser (day 1 over here) coming from a selenium testing background. However, the user will get a headless browser instead. Dec 22, 2022 · Hi @stefanba3,. launch({ headless: false }); Apr 5, 2022 · Hi there, First of all this is an amazing tool you are building my blessings to you. I’ve created a simple test in a file called browser-test. Sep 16, 2022 · Ah, my apologies, I misread your previous post. My scenarios is I want to load test multiple pages after login is complete. 40. during shutdown. The test run report can be exported to a responsive self-contained HTML file, which can be displayed even without an Internet connection. So you’ll need to run xk6-browser run <xk6-browser script> instead. I'd expect more detail here as I don't really know what to do to debug. evaluate() and page. js script from the complex scripts folder and run it against v0. (there are 4 </iframe>, but just 2 <iframe>, and I had to split it into 3 HTMLs because as far as I know iframe tag doesn’t support content, but you have to use the src attribute instead) Nov 19, 2021 · Doesn't work with xk6-browser; Doesn't use any external websites; So we can locally reproduce the problem and fix it if there is one. 04. The app is behind and NGINX which is used for SSL termination and provides the certificates (fully chained), with the organization root certificate inside the Explore Docker Hub for grafana/xk6, a container image library for easy deployment and usage of load testing tools. I am looking for some examples on on how to make re-usable test fixtures that can be shared between different test cases. Feb 28, 2023 · Going forward, xk6-browser will be referred to as k6 browser or simply the browser module now that it's bundled in k6 natively. 0 ((devel), go1. Through the k6 browser API, you can run browser-based performance tests and collect browser metrics to identify performance issues related to browsers. Close(). k6. By the way, you can use: XK6_BROWSER_LOG=debug xk6 run. This document shows you how to configure this integration. Apr 26, 2023 · Saved searches Use saved searches to filter your results more quickly Jan 7, 2022 · @tom-miseur. v0. k6 v0. 0 OS macOS 13. Chrome version. Version 108. 44. Jun 20, 2023 · Hi , I have installed k6 and using import { chromium } from 'k6/experimental/browser'; and it is working well. 5735. ERRO[0012] Failed to load resource: the server responded with a status of 404 browser_source=network line_number=0 source Jul 13, 2023 · Investigation. newPage (); We panic if something other than "chromium" is passed to the launch() . Before returning a new selector, locator adjusts and updates the given selector according to the given locator options. The k6 browser module emits metrics based on the Core Web Vitals. Guide to build a k6 binary that includes one or many extensions using xk6. Selectors are strings that represents a specific DOM element on the page. 5. e. To do this, you need to have the following installed: Go; k6 core; Once you have the pre-requisites above, perform the following steps: Jan 19, 2023 · The documentation of xk6 browser mentions login page. Apr 28, 2022 · $ xk6-browser run Browser/browser-test. Our page launches a WebGL Unity platform so it is important that we get responses in JS and it is run in a browser. js. Expected behaviour Oct 13, 2023 · Brief summary The following test script reproduces a data race for concurrent access on a map: import { check, sleep } from 'k6'; import { browser } from 'k6/experimental/browser'; export const opt Aug 25, 2023 · Hello, When I run my test script specifying vus and duration I get the following error: CMD: k6 run --vus 2 --duration 10s script2. May 16, 2022 · The page. Oct 8, 2018 · Now you can open localhost as x-www-browser localhost:8080 or www-browser localhost:8080 and x-www-browser or www-browser will default to whatever is your current windows 10 default browser provided it has been registered as described above. Brief summary I want to click a button in the browser, the page doesn't even open fully. 35 of k6, that includes xk6-browser. 0-with-browser Steps to reproduce the problem Start k6 in docker using below command docker run Feb 28, 2023 · Going forward, xk6-browser will be referred to as k6 browser or simply the browser module now that it’s bundled in k6 natively. ; So it's a race condition between page. Yeah, agreed. Demo: How Grafana Faro and xk6-browser work together. Additionally, you can mix browser tests with other performance tests to get a comprehensive view of your website’s performance. Oct 12, 2023 · k6 extension that adds support for browser automation and end-to-end web testing via the Chrome Devtools Protocol - Issues · grafana/xk6-browser Dec 3, 2020 · xk6-redis: an alternative Redis client similar to the one we created in this tutorial. We can reproduce the issue with the script. 8. The dashboard is updated continuously during the test run using server-sent events (SSE). Sep 30, 2022 · The behavior is that the browser process is killed, likely because the context is cancelled, but it's not clear why that would happen during the BrowserContext. The syntax that you were using in your implementation corresponds to a previous version (<v0. This section provides some conceptual background about the core vitals. 114. exe with the new binary, you should run the command k6 run browser_test. launch ('chromium'); browser. 43, k6 has added an experimental module for xk6-browser, which means you can write browser tests without using external extensions. Having previously worked with playwright-go we thought it would be a great idea to create an alternative extension around browser automation for the k6 community. releaseObject. js located). I am using Page object model and sharing &hellip; The user’s browser stores the cookie data and associates it with the hostname of the server. However, with k6 browser, you can interact with real browsers and collect frontend metrics as part of your k6 tests. Aug 8, 2023 · When running k6 on Windows, at the end of the test we often see the following issue: cleaning up the user data directory: remove C:\Users\RUNNER~1\AppData\Local\Temp\xk6-browser-data-1480149473\Default\chrome_debug. You switched accounts on another tab or window. Jan 4, 2022 · Sometimes we can't scroll to an element into view, resulting in element not found or wait for selector didn't result in any nodes. 1 OS Version 13. Aug 15, 2022 · This is why the plain k6 binary doesn’t work for running xk6-browser scripts, and you need to use a separate binary. initEvents. The reason why it’s not passing and timing out after 30 seconds, is due to a bug in how xk6-browser is handling networkIdle lifecycle events when navigating to a page. Extensions are composable; you can combine any extensions, or mix Mar 14, 2023 · Brief summary When a link that opens in a new tab is clicked on, the navigation never completes in the new tab and seems to hang on the about:blank page. I can run same code from playwright but its not working with xk6. And this is a link to the repository where xk6-browser is stored. 0 will continue to work with the built-in module in k6 v0. . The latest release of xk6-browser v0. 43, there was a need to download the k6 extension for writing browser tests, but with the release of version 0. xk6-url: an extension for parsing and normalizing URLs. evaluate, which runs javascript code in the browser against the loaded website (as you might do in the console window with dev tools open). With xk6, you build custom k6 binaries that bundle one or more extensions written in Go. Browsers can consume significant system resources. Do not forget to indicate the port; localhost alone did not work for me. It's a great place to see if anyone else has asked a similar question, and if not ask a new one and in the future someone else will be able to work with the answer. 46 introduced a few breaking changes for the browser module, you can see more details in this migration guide. xk6 is command-line tool and framework written in Go. 90 May 6, 2022 · Hi, First thank you! But maybe a flag to mute warnings by id like: xk6-browser run test,js --no-warn:"warningname1,warningname2" Just an idea Thanks May 9, 2024 · Saved searches Use saved searches to filter your results more quickly Feb 7, 2024 · I am working with load tests for frontend using xk6-browser and facing issue to handle a link inside shadow dom. Have you ever wondered how to test a platform built for testing other products? Our frontend developer, Thomas Wikman, joins us on k6 Office Hours to talk ab k6 has an output extension to store k6 metrics in InfluxDB v2. It saves selector for later usage in the locator's methods. goto(), and we should make sure that the ExecutionContext is created in FrameSession. xk6-browser also allows for mixing browser-level and protocol-level APIs. import { chromium } from 'k6/x/browser'; export default function () { const browser = chromium. In this release, the xk6-browser extension version is bumped up to v1. Nov 20, 2023 · Introducing xk6-browser: In the realm of performance testing tools, xk6-browser emerges as a valuable asset. 5359. Feb 1, 2023 · Brief summary When the testing script runs for over 30 seconds the browser closes automatically, disrupting the test. Nov 17, 2021 · You signed in with another tab or window. 0 OS Windows 11; Apr 27, 2022 · Have you ever wondered how to test a platform built for testing other products? Our frontend developer, Thomas Wikman, joins us on k6 Office Hours to talk about his experience being a user of one of our tools - xk6-browser - and how he uses it to test the entire k6 Cloud frontend. 000 test at a time, to make a load balancing test. xk6-docker: a client for interacting with Docker. exe and xk6-browser in the current directory (where my test-xk6. onExecutionContextCreated() before Frame. See k6 Installation via Docker for more information. launch('chromium', { headless: __ENV. io. Even for more info, you can use: XK6_BROWSER_LOG=trace You signed in with another tab or window. 3. I’ll work on this Monday. I’m just not sure if I’m doing something wrong or if xk6 browser was never intended to be used headless with multiple VUs. This tool facilitates the execution of both protocol-level and browser-level tests, offering a versatile solution for comprehensive performance testing. Thanks for raising an issue. Sep 13, 2022 · 🌐 New in xk6-browser. Oct 14, 2021 · This event is sent whenever the frame is navigated, which happens when page. 6 Jan 8, 2023 · If you want to start expanding your performance testing use cases and test beyond the protocol level, this is where the k6 browser module comes in. Oct 19, 2021 · Saved searches Use saved searches to filter your results more quickly xk6-browser client-side test result for single user one iteration is not correct I have just started using xk6-browser, and executed following test script. Example stack trace The Brave browser is a fast, private and secure web browser for PC, Mac and mobile. For example, to build a custom k6 binary with the latest versions of k6 and the xk6-kafka and xk6-output-influxdb extensions, run one of the commands below, depending on your operating system: Mar 10, 2023 · Now that xk6-browser is included as experimental module in k6 (since you are using k6 binary) the import path should be: k6/experimental/browser I believe this should be updated in the docs, let us know otherwise or if you have any problem. Jan 9, 2023 · Browser Testing: Using xk6-browser. When running the example script: import launcher from 'k6/x/browser'; export default function() { const browser = launcher. I wanted to know if the XK6. This issue is currently being worked on and will hopefully be in the next release in Mar 1, 2023 · The problem that you are facing is because, even though xk6-browser is now included in k6 as an experimental module, the current k6 Docker image does not include a browser, therefore the launch command is failing to start such process. @bandorko is right! That is the correct syntax for the latest version. As Load, smoke, stress and soak testing using k6 and xk6-browser ; Because xk6-browser roughly adheres to Playwright's browser API, this enables you to share page actions and logic between the two, drastically reducing duplication. Close() call, which happens from Page. It adds browser-level scripting APIs to interact with real browsers and collect frontend metrics as part of your k6 tests. Early investigation result The issue seems to be happening because we dispose of the main document after closing the browser with Runtime. Stefan used the Webshop application as the test application. 54 Follow along to learn how to run a browser test, interact with elements on the page, wait for page navigation, write assertions and run both browser-level and protocol-level tests in a single script. 5414. Aug 25, 2023 · Brief summary I try to set up browser tests with k6. xk6-browser is our extension which brings browser automation and end-to-end web testing to k6 while supporting core k6 features. Close(), which is called before Browser. However it always failed with browser not found in registry. 6. Writing a browser testing script. locator is not yet supported in xk6-browser so thought I'd mention it (if it's used in Playwright docs, we should probably prioritize supporting it in xk6-browser, too). ” I tried to uninstall and install again but it didn’t work Nov 24, 2021 · The xk6-browser API aims for rough compatibility with the Playwright API for NodeJS, adding browser automation via the Chrome Devtools Protocol (CDP). TestStart: when the execution xk6 makes custom binaries. Oct 31, 2023 · Brief summary We receive a panic after clicking on an element inside another frame. Evaluate() is called. 0 includes: Browser performance testing. ☁️ k6 Cloud Jul 5, 2022 · In xk6-browser setting hasTouch doesn't seem to make a difference and tap works if the value of hasTouch is set to true or false. goto() is called in the script. xk6-browser version k6 v0. macos 13. In that case, if you replaced C:\Program Files\k6\k6. For each subsequent request to that hostname, it includes the stored cookie data in a Cookie header. Building your first extension. All reactions. MacOS 12. I used the code you have given but this works in headless mode but when I run the script in headful mode I’m facing issue. 119 Docker version and image (if app How to analyze the browser metrics output; How to set thresholds for your browser metrics; Google’s Core Web Vitals. Nov 24, 2021 · @tom-miseur when you use insertText, it doesn't emit any key up/down events because it fills the input box without pressing any keys from the browser side. Download now to enjoy a faster ad-free browsing experience that saves data and battery life by blocking tracking software. get” classic method, url of endpoint is in “name” attribute, but in case of xk6-browser, url is in “url” attribute. jh if th gq xc vz ap mf sg go