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- Add BatchProcessingStressTests for high-concurrency and sustained load validation - Add BatchProcessingThreadSafetyTests to verify thread-safe record processing - Add isolation tests for DynamoDB, Kinesis, SQS, and typed batch processors - Add StaticResultPropertyTests to validate static result property behavior - Add helper classes for concurrent invocation results, test event factory, and record handlers - Add project reference to BatchProcessing library in test project - Verify batch processor maintains correctness under high concurrency (20-100 concurrent invocations) - Validate thread safety with concurrent record processing and state isolation - Ensure no record leakage between concurrent invocations - Test stress scenarios with varying concurrency levels and iteration counts
…ic operations - Replace mutable CacheObject properties with immutable read-only fields to prevent concurrent modification issues - Change CacheManager.Set() to use atomic AddOrUpdate instead of TryGetValue/TryAdd pattern for thread-safe cache updates - Convert CacheObject to sealed class and make Value and ExpiryTime properties read-only - Replace nullable TimeSpan _defaultMaxAge with long _defaultMaxAgeTicks for Interlocked compatibility - Convert _raiseTransformationError from bool to volatile int for Interlocked operations - Mark _cache and _transformManager fields as volatile to ensure visibility across threads - Use Interlocked.Exchange and Interlocked.Read for atomic access to _defaultMaxAgeTicks - Add comprehensive concurrency tests for cache thread safety, parameter retrieval, async context, and transformer operations - Update InternalsVisibleTo to expose new test helpers for concurrency testing - Ensures Parameters module is safe for concurrent access in multi-threaded Lambda environments
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Codecov Report❌ Patch coverage is Additional details and impacted files@@ Coverage Diff @@
## develop #1098 +/- ##
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+ Coverage 78.50% 78.95% +0.44%
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Files 299 299
Lines 12375 12435 +60
Branches 1492 1489 -3
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+ Hits 9715 9818 +103
+ Misses 2186 2140 -46
- Partials 474 477 +3 ☔ View full report in Codecov by Sentry. 🚀 New features to boost your workflow:
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leandrodamascena
previously approved these changes
Dec 18, 2025
2 tasks
…atting - Add System.Globalization using statement to KafkaHandlerFunctionalTests.cs - Add System.Globalization using statement to Protobuf/HandlerTests.cs - Replace string interpolation with string.Format using CultureInfo.InvariantCulture in JSON handler test - Replace string interpolation with string.Format using CultureInfo.InvariantCulture in Avro handler test - Replace string interpolation with string.Format using CultureInfo.InvariantCulture in Protobuf handler test - Replace string interpolation with string.Format using CultureInfo.InvariantCulture in ProtobufHandlerTests - Ensure consistent culture-independent string formatting across all Kafka test handlers
- Convert test methods from synchronous to async Task return types - Replace CountdownEvent with TaskCompletionSource for async-friendly synchronization - Replace Thread.Sleep with await Task.Delay for non-blocking delays - Replace Task.Run with async lambda expressions for proper async context - Replace ManualResetEventSlim with TaskCompletionSource for event signaling - Use Task.WhenAll instead of Task.WaitAll for async task completion - Use Interlocked.Increment for thread-safe counter management - Improve assertion messages for better test failure diagnostics - Eliminate blocking synchronization primitives in favor of async patterns for better concurrency testing
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leandrodamascena
approved these changes
Dec 18, 2025
1 task
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Issue number: #1097
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