Selenium WebDriver and Advanced Concepts Questions
Expert-level knowledge of Selenium WebDriver including advanced locator strategies, handling dynamic elements, JavaScript execution, waits (implicit, explicit, fluent), browser window and tab management, and cross-browser compatibility. Understanding of Selenium architecture, limitations, and when to use alternatives.
EasyTechnical
78 practiced
Outline the key steps to integrate Selenium automated tests into a CI pipeline (Jenkins, GitHub Actions, Azure DevOps). Cover environment provisioning (browsers and drivers), test discovery, running tests in parallel, artifact collection (screenshots, videos, logs), producing machine-readable test reports, and how to immediately notify developers of failures.
MediumSystem Design
91 practiced
Describe how to architect automated test suites to maximize fast feedback for developers while preserving deeper regression coverage. Cover applying the test pyramid, tagging tests (smoke, fast-ui, slow-ui), selective test runs on PRs, nightly full suites, test data strategies, and how to combine test selection with parallel execution for speed.
EasyTechnical
73 practiced
Describe how to manage browser windows and tabs with Selenium WebDriver: how to open a new tab or window, how to get and switch between window handles, how to close a tab and restore focus, and common pitfalls such as stale handles or unexpected focus changes. Include what to do when a new window is opened asynchronously by the page.
EasyTechnical
82 practiced
Describe implicit waits, explicit waits, and fluent waits in Selenium WebDriver. Explain how each works (polling frequency, exceptions ignored), typical use cases and pitfalls such as test slowdown or masking synchronization issues, and give one practical example of when to prefer explicit wait over implicit wait.
MediumTechnical
99 practiced
A Selenium test passes locally but fails in CI with NoSuchElementException. Provide a systematic debugging plan to find the root cause, including how to reproduce the CI environment locally, what logs and artifacts to collect (page source, console logs, screenshots), how to check for headless or resolution differences, and steps to determine if the issue is timing, environment, or data-related.
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