How to Migrate from Selenium to Playwright

Migrating from Selenium to Playwright is largely a mechanical syntax conversion, but the significant engineering work lies in adapting to Playwright’s lazy locators, strict selector matching, auto-waiting behavior, non-retrying query methods, and fixture-based test harness. Strict mode exposes ambiguous selectors that Selenium silently handled by selecting the first matching element, while lazy locators eliminate stale-element errors by resolving elements at the time of use. Most explicit waits can be removed when Playwright’s actionability checks cover the condition, but application-state waits should become retrying assertions such as visibility, text, count, or URL expectations; direct calls such as textContent and getAttribute do not retry and can introduce races. Teams should assess migration suitability based on actual issues such as flaky waits, stale references, grid maintenance, difficult cross-origin flows, and limited debugging, while retaining Selenium for requirements involving native mobile testing, Appium, specific real-browser versions, or Safari. The recommended approach is to audit existing waits, sleeps, locator strategies, page factories, driver infrastructure, and mobile dependencies before converting, then migrate incrementally while running both suites in parallel. Playwright simplifies page objects, authentication reuse, tabs, frames, dialogs, reporting, and parallel execution, but requires redesigned equivalents for Selenium-specific constructs such as driver factories, implicit waits, Action chains, capabilities, and browser switching.

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