StillHammer/GroveEngine
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094ab28865
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3 Commits

Author SHA1 Message Date
StillHammer
094ab28865 feat: Add integration test scenarios 11-13 for IO and DataNode systems 
Added three new integration test scenario documents:
- Scenario 11: IO System Stress Test - Tests IntraIO pub/sub with pattern matching, batching, backpressure, and thread safety
- Scenario 12: DataNode Integration Test - Tests IDataTree with hot-reload, persistence, hashing, and performance on 1000+ nodes
- Scenario 13: Cross-System Integration - Tests IO + DataNode working together with config hot-reload chains and concurrent access

Also includes comprehensive DataNode system architecture analysis documentation.

These scenarios complement the existing test suite by covering the IO communication layer and data management systems that were previously untested.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-18 15:09:39 +08:00
StillHammer
3864450b0d feat: Add Scenario 7 - Limit Tests with extreme conditions 
Implements comprehensive limit testing for hot-reload system:
- Large state serialization (100k particles, 1M terrain cells)
- Long initialization with timeout detection
- Memory pressure testing (50 consecutive reloads)
- Incremental reload stability (10 iterations)
- State corruption detection and validation

New files:
- planTI/scenario_07_limits.md: Complete test documentation
- tests/modules/HeavyStateModule.{h,cpp}: Heavy state simulation module
- tests/integration/test_07_limits.cpp: 5-test integration suite

Fixes:
- src/ModuleLoader.cpp: Add null-checks to all log functions to prevent cleanup crashes
- src/SequentialModuleSystem.cpp: Check logger existence before creation to avoid duplicate registration
- tests/CMakeLists.txt: Add HeavyStateModule library and test_07_limits target

All tests pass with exit code 0:
- TEST 1: Large State - getState 1.77ms, setState 200ms ✓
- TEST 2: Timeout - Detected at 3.2s ✓
- TEST 3: Memory Pressure - 0.81MB growth over 50 reloads ✓
- TEST 4: Incremental - 173ms avg reload time ✓
- TEST 5: Corruption - Invalid state rejected ✓

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-17 11:29:48 +08:00
StillHammer
d8c5f93429 feat: Add comprehensive hot-reload test suite with 3 integration scenarios 
This commit implements a complete test infrastructure for validating
hot-reload stability and robustness across multiple scenarios.

## New Test Infrastructure

### Test Helpers (tests/helpers/)
- TestMetrics: FPS, memory, reload time tracking with statistics
- TestReporter: Assertion tracking and formatted test reports
- SystemUtils: Memory usage monitoring via /proc/self/status
- TestAssertions: Macro-based assertion framework

### Test Modules
- TankModule: Realistic module with 50 tanks for production testing
- ChaosModule: Crash-injection module for robustness validation
- StressModule: Lightweight module for long-duration stability tests

## Integration Test Scenarios

### Scenario 1: Production Hot-Reload (test_01_production_hotreload.cpp)
✅ PASSED - End-to-end hot-reload validation
- 30 seconds simulation (1800 frames @ 60 FPS)
- TankModule with 50 tanks, realistic state
- Source modification (v1.0 → v2.0), recompilation, reload
- State preservation: positions, velocities, frameCount
- Metrics: ~163ms reload time, 0.88MB memory growth

### Scenario 2: Chaos Monkey (test_02_chaos_monkey.cpp)
✅ PASSED - Extreme robustness testing
- 150+ random crashes per run (5% crash probability per frame)
- 5 crash types: runtime_error, logic_error, out_of_range, domain_error, state corruption
- 100% recovery rate via automatic hot-reload
- Corrupted state detection and rejection
- Random seed for unpredictable crash patterns
- Proof of real reload: temporary files in /tmp/grove_module_*.so

### Scenario 3: Stress Test (test_03_stress_test.cpp)
✅ PASSED - Long-duration stability validation
- 10 minutes simulation (36000 frames @ 60 FPS)
- 120 hot-reloads (every 5 seconds)
- 100% reload success rate (120/120)
- Memory growth: 2 MB (threshold: 50 MB)
- Avg reload time: 160ms (threshold: 500ms)
- No memory leaks, no file descriptor leaks

## Core Engine Enhancements

### ModuleLoader (src/ModuleLoader.cpp)
- Temporary file copy to /tmp/ for Linux dlopen cache bypass
- Robust reload() method: getState() → unload() → load() → setState()
- Automatic cleanup of temporary files
- Comprehensive error handling and logging

### DebugEngine (src/DebugEngine.cpp)
- Automatic recovery in processModuleSystems()
- Exception catching → logging → module reload → continue
- Module state dump utilities for debugging

### SequentialModuleSystem (src/SequentialModuleSystem.cpp)
- extractModule() for safe module extraction
- registerModule() for module re-registration
- Enhanced processModules() with error handling

## Build System
- CMake configuration for test infrastructure
- Shared library compilation for test modules (.so)
- CTest integration for all scenarios
- PIC flag management for spdlog compatibility

## Documentation (planTI/)
- Complete test architecture documentation
- Detailed scenario specifications with success criteria
- Global test plan and validation thresholds

## Validation Results
All 3 integration scenarios pass successfully:
- Production hot-reload: State preservation validated
- Chaos Monkey: 100% recovery from 150+ crashes
- Stress Test: Stable over 120 reloads, minimal memory growth

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-13 22:13:07 +08:00