State of end-to-end testing for
modern web applications
VLAD FILIPPOV
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About Vlad
// software engineer
// full stack web developer
// open-source contributor
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In this talk …
● History of web application testing
● Testing challenges
● Learn new automation tools
● Demos!
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Testing Web Apps
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Testing Web Apps
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2004 → 2014 → 2024
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2004
• First versions of Selenium
2006+
• First versions of Selenium WebDriver
• Headless webkit testing via PhantomJS
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2014
(from my 2014 presentation)
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2024
WebDriverIO Playwright
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Goals of these tests
● Track down code regressions
● Cross-browser compatibility testing
● Cost-effective testing with real user behaviour
● Full end-to-end workflow
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Goals of these tests
● Track down code regressions
● Cross-browser compatibility testing
● Cost-effective testing with real user behaviour
● Full end-to-end workflow
● Confidence in shipping code
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Testing Challenges
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Writing tests
“How do I find the password reset button for my tests?”
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Flaky tests
“I’ve looked everywhere for it and gave up!”
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Continuous integration challenges
“What is wrong with my test?”
“I need to be able to run tests locally and in CI”
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Solving these problems…
● Flaky tests
● Spending time writing tests
● Continuous integration
● Debugging
● Slow Tests