MainThreadMonitor: increased threshold#2662
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See also #2517. We keep getting flaky failures with this in CI, which is annoying because it marks the whole test run as failed and it doesn't retry. The reason for that is because we have to use `fatalError` and can't use `fail()` because this detection has to happen outside the main thread. If the main thread is blocked, well, we can't rely `XCTest` to run in the main thread. Ultimately, we can't guarantee that CI machines will be fast enough to ensure they don't get blocked. The purpose of this class was to detect deadlocks. By increasing it to 30 seconds, we pretty much avoid flaky failures for slow CI machines, but still have the ability to detect if the main thread is deadlocked due to a locking issue.
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I think this is extra obvious today because for some reason CircleCI seems to be taking 2x the time building. |
Codecov Report
@@ Coverage Diff @@
## main #2662 +/- ##
==========================================
+ Coverage 86.37% 86.39% +0.02%
==========================================
Files 207 207
Lines 14561 14561
==========================================
+ Hits 12577 12580 +3
+ Misses 1984 1981 -3 |
aboedo
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Jun 15, 2023
NachoSoto
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Jun 22, 2023
**This is an automatic release.** ### Bugfixes * `PurchasesOrchestrator`: update `CustomerInfoManager` cache after processing transactions (#2676) via NachoSoto (@NachoSoto) * `ErrorResponse`: drastically improved error messages, no more "unknown error"s (#2660) via NachoSoto (@NachoSoto) * `PaywallExtensions`: post purchases with `Offering` identifier (#2645) via NachoSoto (@NachoSoto) * Support `product_plan_identifier` for purchased subscriptions from `Google Play` (#2654) via Josh Holtz (@joshdholtz) ### Performance Improvements * `copy(with: VerificationResult)`: optimization to avoid copies (#2639) via NachoSoto (@NachoSoto) ### Other Changes * `ETagManager`: refactored e-tag creation and tests (#2671) via NachoSoto (@NachoSoto) * `getPromotionalOffer`: return `ErrorCode.ineligibleError` if receipt is not found (#2678) via NachoSoto (@NachoSoto) * `TimingUtil`: removed slow purchase logs (#2677) via NachoSoto (@NachoSoto) * `CI`: changed `Codecov` to `informational` (#2670) via NachoSoto (@NachoSoto) * `LoadShedderIntegrationTests`: verify requests are actually handled by load shedder (#2663) via NachoSoto (@NachoSoto) * `ETagManager.httpResultFromCacheOrBackend`: return response headers (#2666) via NachoSoto (@NachoSoto) * `Integration Tests`: added tests to verify 304 behavior (#2659) via NachoSoto (@NachoSoto) * `HTTPClient`: disable `URLSession` cache (#2668) via NachoSoto (@NachoSoto) * Documented `HTTPStatusCode.isSuccessfullySynced` (#2661) via NachoSoto (@NachoSoto) * `NetworkError.signatureVerificationFailed`: added status code to error `userInfo` (#2657) via NachoSoto (@NachoSoto) * `HTTPClient`: improved log for failed requests (#2669) via NachoSoto (@NachoSoto) * `ETagManager`: added new verbose logs (#2656) via NachoSoto (@NachoSoto) * `Signature Verification`: added test-only log for debugging invalid signatures (#2658) via NachoSoto (@NachoSoto) * Fixed `HTTPResponse.description` (#2664) via NachoSoto (@NachoSoto) * Changed `Logger` to use `os_log` (#2608) via NachoSoto (@NachoSoto) * `MainThreadMonitor`: increased threshold (#2662) via NachoSoto (@NachoSoto) * `debugRevenueCatOverlay`: display `receiptURL` (#2652) via NachoSoto (@NachoSoto) * `PurchaseTester`: added ability to display `debugRevenueCatOverlay` (#2653) via NachoSoto (@NachoSoto) * `debugRevenueCatOverlay`: ability to close on `macOS`/`Catalyst` (#2649) via NachoSoto (@NachoSoto) * `debugRevenueCatOverlay`: added support for `macOS` (#2648) via NachoSoto (@NachoSoto) * `LoadShedderIntegrationTests`: enable signature verification (#2655) via NachoSoto (@NachoSoto) * `ImageSnapshot`: fixed Xcode 15 compilation (#2651) via NachoSoto (@NachoSoto) * `OfferingsManager`: don't clear offerings cache timestamp when request fails (#2359) via NachoSoto (@NachoSoto) * `StoreKitObserverModeIntegrationTests`: added test for posting renewals (#2590) via NachoSoto (@NachoSoto) * Always initialize `StoreKit2TransactionListener` even on SK1 mode (#2612) via NachoSoto (@NachoSoto) * `ErrorUtils.missingReceiptFileError`: added receipt URL `userInfo` context (#2650) via NachoSoto (@NachoSoto) * Added `.xcprivacy` for Xcode 15 (#2619) via NachoSoto (@NachoSoto) * `Trusted Entitlements`: added debug log with `ResponseVerificationMode` (#2647) via NachoSoto (@NachoSoto) * `debugRevenueCatOverlay`: simplified title (#2641) via NachoSoto (@NachoSoto) * Simplified `Purchases.updateAllCachesIfNeeded` (#2626) via NachoSoto (@NachoSoto) * `HTTPResponseTests`: fixed disabled test (#2643) via NachoSoto (@NachoSoto) * Add `InternalDangerousSettings.forceSignatureFailures` (#2635) via NachoSoto (@NachoSoto) * `IntegrationTests`: explicit `StoreKit 1` mode (#2636) via NachoSoto (@NachoSoto) * `Signing`: removed API for loading key from a file (#2638) via NachoSoto (@NachoSoto)
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See also #2517.
We keep getting flaky failures with this in CI, which is annoying because it marks the whole test run as failed and it doesn't retry.
The reason for that is because we have to use
fatalErrorand can't usefail()because this detection has to happen outside the main thread.If the main thread is blocked, well, we can't rely
XCTestto run in the main thread.Ultimately, we can't guarantee that CI machines will be fast enough to ensure they don't get blocked.
The purpose of this class was to detect deadlocks. By increasing it to 30 seconds, we pretty much avoid flaky failures for slow CI machines, but still have the ability to detect if the main thread is deadlocked due to a locking issue.