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Jenkins User Conference San Francisco, Oct 2nd 2011 Extreme Testing with Jenkins and Selenium Jason Huggins (@hugs) CTO, Cofounder - Sauce Labs Inc Creator - Selenium Saucelabs.com
Jenkins User Conference San Francisco, Oct 2nd 2011 Selenium’s #1, baby!
Jenkins User Conference San Francisco, Oct 2nd 2011 2 Extreme Stories In the cloud In the garage
Jenkins User Conference San Francisco, Oct 2nd 2011 Mantra: • Parallelizability (p15y) leads to fast software builds. • Fast builds lead to happy developers. • Happy developers lead to happy customers.
Jenkins User Conference San Francisco, Oct 2nd 2011 • Q: Want happy customers? • A: Use parallel-ready testing tools!
Jenkins User Conference San Francisco, Oct 2nd 2011 Story #1- Massive testing (in the cloud)
Jenkins User Conference San Francisco, Oct 2nd 2011 A large domestic airline
Jenkins User Conference San Francisco, Oct 2nd 2011 • Build and test entire site in 20 minutes. • (10 min build, 10 min Selenium testing) • Massive parallelism
Jenkins User Conference San Francisco, Oct 2nd 2011 Parallelism x2!
Jenkins User Conference San Francisco, Oct 2nd 2011 Jenkins • 1 Jenkins master • 10 physical slaves • 10 Virtual IPs per slave • 100 potential total nodes • Each Jenkins executor on client side couldgenerate ~30 threads at Sauce for cloud testing • 100 x 30 -> 3000 potential parallel threads of test execution. * * Current use about 30-300 cloud browsers running tests at any give time throughout the entire day.
Jenkins User Conference San Francisco, Oct 2nd 2011 JBehave • Every story is written with JBehave • JBehavecan parallelize each story. • JBehave -> regex -> groovy page objects- >java -> Selenium2 • Each story compiles to an end-to-end full stack + Selenium test run.
Jenkins User Conference San Francisco, Oct 2nd 2011 All that... multiplied • Smoke suite • Regression suite • Team-specific feature testing • plus • Component tests • JavaScript unit tests (jasmine)
Jenkins User Conference San Francisco, Oct 2nd 2011 Process • Trunk-based development (aka "Don't break the build!") • Branch per release • At any given moment, 2 lines (release branch + trunk) are in use. • Fixes go to trunk first, then branch • Feature toggles (aka "Feature flags") • Every jBehave test suite stands up its own app stack for testing. (Amdahl's Law)
Jenkins User Conference San Francisco, Oct 2nd 2011 Next... • Improve reliability, then go for scale and speed
Jenkins User Conference San Francisco, Oct 2nd 2011 More info about JBehave • https://github.com/paul- hammant/jbehave-webdriver-tutorial
Jenkins User Conference San Francisco, Oct 2nd 2011 Story #2 – Mobile Testing (with Robots!)
Jenkins User Conference San Francisco, Oct 2nd 2011 Bitbeambot (http://bitbeam.org)
Jenkins User Conference San Francisco, Oct 2nd 2011 Video Demo (click to start)
Jenkins User Conference San Francisco, Oct 2nd 2011 BitbeamBot – What? • A computer-controlled (CNC) robot for testing applications on mobile devices • Open Source components: – Electronics: Arduino – Mechanics: Bitbeam • Lego Technic compatible building toy • Made from Basswood • Designed with 3D tool OpenSCAD • Lasercut at TechShop San Francisco – Software: Python, Selenium
Jenkins User Conference San Francisco, Oct 2nd 2011 BitbeamBot - Why? • Selenium is a software-based robot. • Selenium’s mission is to mimic and automate how users interact with an application. • For mobile, this means handling real devices. • BitbeamBot is an experiment to take Selenium out of the screen and into the real world.
Jenkins User Conference San Francisco, Oct 2nd 2011 The "Clicker" (1st prototype)
Jenkins User Conference San Francisco, Oct 2nd 2011
Jenkins User Conference San Francisco, Oct 2nd 2011 Links: • JBehave: https://github.com/paul-hammant/jbehave- webdriver-tutorial • Selenium: http://seleniumhq.org • Bitbeam: http://bitbeam.org https://github.com/hugs/bitbeam • Sauce Labs: http://saucelabs.com • Me (Jason Huggins): http://twitter.com/hugs
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