e2e by TesterArmy: Open-Source Agentic E2E Testing Explained

e2e by TesterArmy is an Apache-2.0 open-source end-to-end testing framework for web and mobile applications that combines plain-English AI agent steps with deterministic locators and assertions. Tests can use AI selectively through actions, assertions, waits, and extraction steps, while conventional locator-only tests require no model; verified agent actions are cached and replayed without further model calls, with the agent resuming if the interface no longer matches recorded controls or outcomes. The framework supports configurable AI SDK providers, local and hosted models, browser testing through Playwright-based Chromium, Firefox, and WebKit engines, and mobile testing on iOS simulators and Android emulators, alongside API testing and migration guides for established frameworks. It provides CI features including JUnit reporting, artifacts, failure pages, sharding, rerunning failed tests, and GitHub pull-request comments. For cloud execution, its Chromium web engine can connect to TestMu AI Automation Cloud through the Chrome DevTools Protocol, enabling parallel remote Chrome sessions with videos and logs, while test pass/fail reporting remains managed by e2e.

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