Reimagining Flutter UI tests with Patrol
summary
Patrol is an open‑source, Flutter‑first UI testing framework from Linkode that runs tests in Dart, uses Flutter Test for widget access and native tooling (UIAutomator / XCUITest) for native automation. It replaces integration_test to avoid rebuilding per test by running many tests in a single app binary while keeping isolation via instrumentation processes, enables sharding and hot restart, and exposes a patrol tester plus custom finders that cut verbose examples (a signup test shrinks from ~23 to 9 lines). It is production‑used and had ~398 GitHub stars at the time.
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chapters (9)
- 0:00Introduction to Patrol
- 1:08Problems with Flutter UI testing
- 5:24Existing testing solutions
- 14:39Why we built Patrol
- 18:57Patrol’s Flutter-first approach
- 23:09Native UI automation in Patrol
- 26:58Custom finders and shorter tests
- 31:36Improved integration testing
- 33:28Support and open-source call
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