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pj
b667abbbca
* perf(sidecar): use exec-out + tmpfs for hierarchy dump Avoids FUSE overhead on /sdcard and shell startup cost by using exec-out with /data/local/tmp. Saves ~100ms per hierarchy fetch. * perf(sidecar): replace Thread.sleep waitForIdle with real idle detection Poll `dumpsys window -a` for mAnimating=true every 50ms instead of blindly sleeping. Breaks early when device is idle, saving 500-800ms per step since most settle in <200ms after an action. * test(sidecar): add idle detection parsing tests * perf(runner): parallelize hierarchy, metrics, and logs fetch Run fetchHierarchy, captureMetrics, and collectLogs concurrently via errgroup so metrics+logs (~150ms) hide behind the hierarchy fetch (~2s) instead of running serially. * perf(runner): pipeline post-action screenshot with next step Defer the post-action screenshot from step N and run it concurrently with step N+1's hierarchy/metrics/logs fetch. Saves ~335ms per step by hiding screenshot latency behind the hierarchy fetch. * test(runner): add tests for parallel fetch and pipelined screenshots Verify that hierarchy, metrics, and logs are all called per step. Verify post-action screenshots are written with correct step indices when pipelined, including the final flush after the loop. * perf(sidecar): grep mAnimating on-device instead of pulling full dump The full `dumpsys window -a` output is ~88KB per poll. Running grep on-device transfers only a count byte, cutting per-poll overhead from ~63ms to ~56ms and eliminating 88KB of ADB transfer.
sanderling
Autonomous property-based testing for mobile apps. Specs in TypeScript. Core in Go. Drives the app under test through Maestro and an in-app SDK.
Alpha. Android emulator only. Full scope in the v0.1.0 roadmap.
Docs
After a sanderling test run, browse traces locally with sanderling inspect. It opens a web UI for stepping through actions, screenshots, snapshots, residual formulas, and exceptions.
sanderling, a wading bird that probes the shoreline for bugs that lie beneath.