chore: import upstream snapshot with attribution

cli-tool/components/commands/game-development/game-testing-framework.md

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+---
+allowed-tools: Read, Write, Edit, Bash
+argument-hint: [test-type] | --unit | --integration | --performance | --automation | --comprehensive
+description: Use PROACTIVELY to implement comprehensive game testing frameworks with automated validation, performance testing, and multi-platform verification
+---
+
+# Game Testing Framework & Automation
+
+Implement comprehensive game testing framework: $ARGUMENTS
+
+## Current Testing Context
+
+- Game engine: @package.json or detect Unity/Unreal/Godot project files
+- Existing tests: !`find . -name "*test*" -o -name "*Test*" | head -10`
+- CI/CD setup: @.github/workflows/ or @.gitlab-ci.yml or @Jenkinsfile (if exists)
+- Build configs: !`find . -name "*.sln" -o -name "*.csproj" -o -name "build.gradle" | head -3`
+- Platform targets: !`grep -r "BuildTarget\|Platform\|Target" . 2>/dev/null | wc -l` target configurations
+
+## Task
+
+Create a comprehensive testing framework for game development with automated validation, performance benchmarks, cross-platform testing, and continuous integration.
+
+## Testing Framework Components
+
+### 1. Unit Testing Infrastructure
+- Core game logic and mechanics testing
+- Component-based testing for modular systems
+- Mock and stub systems for external dependencies
+- Data validation and serialization testing
+- Mathematical calculations and algorithm verification
+
+### 2. Integration Testing Suite
+- Scene loading and transition testing
+- Asset loading and management validation
+- Save/load system integrity testing
+- Networking and multiplayer functionality
+- Platform-specific feature integration testing
+
+### 3. Performance & Benchmarking
+- Frame rate stability testing across scenarios
+- Memory usage profiling and leak detection
+- Loading time benchmarks for different content
+- Stress testing with high entity counts
+- Platform-specific performance validation
+
+### 4. Automated Gameplay Testing
+- AI behavior validation and regression testing
+- User input simulation and response verification
+- Game state progression and checkpoint validation
+- Balance testing for game mechanics
+- Procedural content generation validation
+
+## Testing Categories
+
+### Functional Testing
+- Core gameplay mechanics validation
+- User interface responsiveness and functionality
+- Audio system integration and spatial audio
+- Physics simulation accuracy and stability
+- Animation system timing and blending
+
+### Compatibility Testing
+- Multi-platform build verification
+- Device-specific feature testing (mobile, console, VR)
+- Different screen resolutions and aspect ratios
+- Hardware capability scaling and adaptation
+- Operating system compatibility validation
+
+### Regression Testing
+- Automated testing for code changes impact
+- Asset modification impact on game performance
+- Save file compatibility across versions
+- Feature functionality preservation
+- Performance regression detection
+
+### User Experience Testing
+- Accessibility features validation
+- Control scheme testing across input devices
+- Localization and internationalization testing
+- Tutorial and onboarding flow validation
+- Error handling and recovery testing
+
+## Deliverables
+
+1. **Testing Framework Setup**
+   - Test runner configuration and automation
+   - Mock systems and test data generation
+   - Continuous integration pipeline integration
+   - Test reporting and metrics collection
+
+2. **Test Suite Implementation**
+   - Unit tests for core game systems
+   - Integration tests for complex interactions
+   - Performance benchmarks and monitoring
+   - Automated gameplay validation scripts
+
+3. **Platform Testing Strategy**
+   - Device-specific test configurations
+   - Cloud testing and device farm integration
+   - Performance validation across target platforms
+   - Compatibility testing automation
+
+4. **Monitoring & Reporting**
+   - Test results dashboard and visualization
+   - Performance regression tracking
+   - Code coverage analysis and reporting
+   - Automated test failure investigation
+
+## Implementation Guidelines
+
+Integrate with game engine testing tools and establish CI/CD pipelines for automated testing. Ensure scalable test architecture that grows with project complexity and team size.