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Automated Testing for Web-based Systems on Embedded Devices
The document discusses automated testing of embedded web applications, covering challenges, browser automation tools, and standards like WebDriver. It highlights the necessity of testing web apps in live systems due to hardware and browser differences. Key automation tools mentioned include Selenium, WebDriverIO, and Playwright, with an emphasis on the evolution toward asynchronous testing and better integration with system environments.
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Automated Testing for Web-based Systems on Embedded Devices
- 1. Automated testing of EmbeddedWeb Applications Lauro Moura lmoura@igalia.com 1 / 28
- 2. About me At Igaliasince 2020 WebKit team QA, WebDriver Other work done in the past: EFL (JS and C# bindings) Maemo (Python bindings, Nix WebKit port) Automated testing for Web-based embedded systems Lauro Moura, 2023-04-18 2 / 28
- 3. About Igalia Specialized OpenSource consultancy, founded in 2001 Fully remote, HQ in A Coruña (Spain). Flat structure. Top contributors to all the main Web Rendering Engines WebKit, Chromium, Gecko and Servo Active contributor to other areas and OSS projects V8, SpiderMonkey, JSC, LLVM, Node.js, GStreamer, Mesa, Linux Kernel... Members of several working groups: W3C, WHATWG, WPT, TC39, OpenJS, Test262, Khronos... Automated testing for Web-based embedded systems Lauro Moura, 2023-04-18 3 / 28
- 4. Agenda Embedded Web Apps SomeChallenges in Web Apps Challenges of Embedded Web Apps Browser automation overview Browser automation tools Automated testing for Web-based embedded systems Lauro Moura, 2023-04-18 4 / 28
- 5. Web Applications "Write once,run anywhere!" Automated testing for Web-based embedded systems Lauro Moura, 2023-04-18 5 / 28
- 6. Web Applications Fast developmentcycles Fast deployment Large ecosystem Automated testing for Web-based embedded systems Lauro Moura, 2023-04-18 6 / 28
- 7. Web Apps inreal life "Write once, run _mostly_ anywhere!" "Works better with $BROWSER" Automated testing for Web-based embedded systems Lauro Moura, 2023-04-18 7 / 28
- 8. Why does thishappen? Engine differences: Blink vs WebKit vs Gecko Browser diferences: Chrome vs Brave vs Edge, Safari vs GNOME Web Versioning: Canary, Stable, ESR Browser engines != Desktop browsers != Mobile browsers Automated testing for Web-based embedded systems Lauro Moura, 2023-04-18 8 / 28
- 9. It's also abouthardware Desktop? Tablet? Phone? 4k? 1080p? Scaled or native resolution? What kind of interaction? Mouse? Gestures? Automated testing for Web-based embedded systems Lauro Moura, 2023-04-18 9 / 28
- 10. Embedded Web Applications Notjust a generic site running on a generic mobile browser Load specific resources... (e.g. using a local server) ... from specific browsers We can expand the browser with new APIs Automated testing for Web-based embedded systems Lauro Moura, 2023-04-18 10 / 28
- 11. Embedded Web Applications inreal life But we might have different devices... ...with different hardware capabilities... (e.g. different GPUs, screens) Or different browser versions Thankfully, still less variables Automated testing for Web-based embedded systems Lauro Moura, 2023-04-18 11 / 28
- 12. Other differences Generic websitesare usually sandboxed Embedded web apps might need to interact with the system Testing the web app in a live system is a must Automated testing for Web-based embedded systems Lauro Moura, 2023-04-18 12 / 28
- 13. But how totest a web app? Automated testing for Web-based embedded systems Lauro Moura, 2023-04-18 13 / 28
- 14. Automation != Testing Automationis a tool Crawling the web Filing taxes Running test steps Automated testing for Web-based embedded systems Lauro Moura, 2023-04-18 14 / 28
- 15. Originally, mimick useractions Navigate to $URL Find input for value "name" Enter text "John Doe" Find button with label "Confirm" Click this button Search for message "User created" Automated testing for Web-based embedded systems Lauro Moura, 2023-04-18 15 / 28
- 16. Brief history ofbrowser automation Early 2000's efforts Selenium + WebDriver = Selenium WebDriver W3C WebDriver standard in 2018 Supported by major browsers WebDriver "Classic" HTTP-based protocol (remote connections) Automated testing for Web-based embedded systems Lauro Moura, 2023-04-18 16 / 28
- 17. WebDriver Classic, underthe hood Commands Responds User Browser Automated testing for Web-based embedded systems Lauro Moura, 2023-04-18 17 / 28
- 18. Mimicking the useris not enough Logic moving into the frontend Asynchronous tasks Polling is tricky Developer tools/inspectors evolution Enabling two-way communication with the browser Automation tools based on these protocols Browser-specific solutions? in active development o/ W3C WebDriver BiDi WebKit support incoming Automated testing for Web-based embedded systems Lauro Moura, 2023-04-18 18 / 28
- 19. WebDriver BiDi, underthe hood Commands Events User Browser Automated testing for Web-based embedded systems Lauro Moura, 2023-04-18 19 / 28
- 20. WebDriver Bidi Based onWebSockets Extends WebDriver Classic Still perform user actions Monitor the browser state without polling Monitor messages log Observe changes DOM Intercept and mock requests network Automated testing for Web-based embedded systems Lauro Moura, 2023-04-18 20 / 28
- 21. What about Browser AutomationTools? Automated testing for Web-based embedded systems Lauro Moura, 2023-04-18 21 / 28
- 22. Selenium One of themost well known tools around Deeply influenced the WebDriver standard JavaScript, Python, Java, Ruby, C#... Selenium Grid Automated testing for Web-based embedded systems Lauro Moura, 2023-04-18 22 / 28
- 23. WebDriverIO Also based onthe W3C WebDriver Written in JavaScript Built-in support for Cucumber, Mocha and Jasmine test frameworks Automated testing for Web-based embedded systems Lauro Moura, 2023-04-18 23 / 28
- 24. Playwright Puppeteer background Developed byMicrosoft Autowaits feature Depends on patched Firefox or WebKit, though... Automated testing for Web-based embedded systems Lauro Moura, 2023-04-18 24 / 28
- 25. Recap Embedded Web Appsrun in controlled scenarios But testing how it integrates in the system is crucial WebDriver BiDi features allows better testing of such apps Automated testing for Web-based embedded systems Lauro Moura, 2023-04-18 25 / 28
- 26. Questions? Automated testing forWeb-based embedded systems Lauro Moura, 2023-04-18 26 / 28
- 27. Thank you! Automated testingfor Web-based embedded systems Lauro Moura, 2023-04-18 27 / 28
- 28.