unpak.js/tests/NewRoadmapFeatures.test.ts

Modern TypeScript library for reading Unreal Engine pak files and assets, inspired by CUE4Parse

import { PluginMarketplace, PluginManifest, CommunityPlugin } from '../src/community/PluginMarketplace';
import { AssetJITCompiler, JITOptimize } from '../src/ue4/performance/JITCompiler';
import { IncrementalParser } from '../src/ue4/performance/IncrementalParser';

describe('New Roadmap Features', () => {
    describe('Plugin Marketplace (Phase 13)', () => {
        let marketplace: PluginMarketplace;

        beforeEach(() => {
            marketplace = new PluginMarketplace('https://test-marketplace.dev', 'test-api-key');
        });

        test('should initialize plugin marketplace', () => {
            expect(marketplace).toBeInstanceOf(PluginMarketplace);
        });

        test('should handle plugin search with local fallback', async () => {
            const query = {
                name: 'test-plugin',
                tags: ['texture', 'converter'],
                minRating: 4.0
            };

            const results = await marketplace.searchPlugins(query);
            expect(Array.isArray(results)).toBe(true);
        });

        test('should get installed plugins list', () => {
            const installed = marketplace.getInstalledPlugins();
            expect(Array.isArray(installed)).toBe(true);
        });

        test('should validate plugin manifest structure', () => {
            const manifest: PluginManifest = {
                name: 'test-plugin',
                version: '1.0.0',
                description: 'Test plugin for unpak.js',
                author: 'Test Author',
                license: 'MIT',
                tags: ['test', 'converter'],
                compatibility: {
                    unpakVersion: '2.0.0',
                    ueVersions: ['UE5.3', 'UE5.4'],
                    gameSupport: ['Fortnite', 'Valorant']
                },
                dependencies: {},
                repository: 'https://github.com/test/plugin',
                downloadUrl: 'https://cdn.test.dev/plugin.tar.gz',
                checksums: {
                    sha256: 'abc123',
                    md5: 'def456'
                },
                permissions: [],
                installation: {
                    type: 'npm'
                }
            };

            expect(manifest.name).toBe('test-plugin');
            expect(manifest.version).toBe('1.0.0');
            expect(manifest.compatibility.unpakVersion).toBe('2.0.0');
        });
    });

    describe('JIT Compiler (Phase 11)', () => {
        let compiler: AssetJITCompiler;

        beforeEach(() => {
            compiler = new AssetJITCompiler({
                performanceThreshold: 5,
                frequencyThreshold: 2,
                maxCacheSize: 10
            });
        });

        test('should initialize JIT compiler', () => {
            expect(compiler).toBeInstanceOf(AssetJITCompiler);
            const stats = compiler.getStatistics();
            expect(stats.totalHotPaths).toBe(0);
            expect(stats.optimizedPaths).toBe(0);
        });

        test('should track asset processing performance', () => {
            const assetPath = '/Game/Textures/T_TestTexture.uasset';
            const operation = 'parse';
            const executionTime = 10.5;

            compiler.trackAssetProcessing(assetPath, operation, executionTime);

            const hotPaths = compiler.getHotPaths();
            expect(hotPaths.length).toBe(1);
            expect(hotPaths[0].path).toBe(`${assetPath}:${operation}`);
            expect(hotPaths[0].frequency).toBe(1);
            expect(hotPaths[0].averageTime).toBe(executionTime);
        });

        test('should detect hot paths for optimization', () => {
            const assetPath = '/Game/Textures/T_TestTexture.uasset';
            const operation = 'parse';
            
            // Track multiple executions to trigger optimization
            for (let i = 0; i < 5; i++) {
                compiler.trackAssetProcessing(assetPath, operation, 10);
            }

            const hotPaths = compiler.getHotPaths();
            expect(hotPaths.length).toBe(1);
            expect(hotPaths[0].frequency).toBe(5);
        });

        test('should generate optimization hints', () => {
            // Track some performance data
            compiler.trackAssetProcessing('/Game/Textures/T_Test.uasset', 'parse', 8);
            compiler.trackAssetProcessing('/Game/Meshes/SM_Test.uasset', 'export', 12);
            
            const hints = compiler.generateOptimizationHints();
            expect(Array.isArray(hints)).toBe(true);
        });

        test('should get JIT statistics', () => {
            const stats = compiler.getStatistics();
            
            expect(stats).toHaveProperty('totalHotPaths');
            expect(stats).toHaveProperty('optimizedPaths');
            expect(stats).toHaveProperty('compilationTime');
            expect(stats).toHaveProperty('performanceGain');
            expect(stats).toHaveProperty('cacheHitRate');
        });

        test('should clear optimization cache', () => {
            // Add some tracking data
            compiler.trackAssetProcessing('/Game/Test.uasset', 'parse', 10);
            
            let stats = compiler.getStatistics();
            expect(stats.totalHotPaths).toBe(1);
            
            compiler.clearCache();
            
            stats = compiler.getStatistics();
            expect(stats.optimizedPaths).toBe(0);
            expect(stats.cacheHitRate).toBe(0);
        });
    });

    describe('JIT Optimization Decorator', () => {
        class TestAssetProcessor {
            public jitCompiler = new AssetJITCompiler();

            @JITOptimize('texture', 'parse')
            parseTexture(data: Buffer): any {
                // Simulate texture parsing
                return { format: 'DDS', width: 512, height: 512 };
            }

            @JITOptimize('mesh', 'export')
            exportMesh(mesh: any, format: string): any {
                // Simulate mesh export
                return { format, exported: true };
            }
        }

        test('should track decorated method performance', () => {
            const processor = new TestAssetProcessor();
            const testData = Buffer.alloc(1024);
            
            processor.parseTexture(testData);
            
            const hotPaths = processor.jitCompiler.getHotPaths();
            expect(hotPaths.length).toBe(1);
            expect(hotPaths[0].path).toBe('texture:parse');
        });

        test('should track multiple decorated methods', () => {
            const processor = new TestAssetProcessor();
            const testData = Buffer.alloc(1024);
            const testMesh = { vertices: [], indices: [] };
            
            processor.parseTexture(testData);
            processor.exportMesh(testMesh, 'obj');
            
            const hotPaths = processor.jitCompiler.getHotPaths();
            expect(hotPaths.length).toBe(2);
        });
    });

    describe('Incremental Parser Integration', () => {
        let parser: IncrementalParser;

        beforeEach(() => {
            parser = new IncrementalParser({
                chunkSize: 5,
                maxConcurrency: 2,
                maxMemoryUsage: 100 * 1024 // 100KB for testing
            });
        });

        test('should process items incrementally', async () => {
            const items = Array.from({ length: 15 }, (_, i) => i);
            const processor = async (item: number) => item * 2;
            
            const results = await parser.processIncrementally(items, processor);
            
            expect(results).toHaveLength(15);
            expect(results[0]).toBe(0);
            expect(results[14]).toBe(28);
        });

        test('should handle processing errors gracefully', async () => {
            const items = [1, 2, 3, 4, 5];
            const processor = async (item: number) => {
                if (item === 3) {
                    throw new Error('Test error');
                }
                return item * 2;
            };
            
            const results = await parser.processIncrementally(items, processor, { failFast: false });
            
            // Should have 4 results (excluding the failed item)
            expect(results).toHaveLength(4);
        });

        test('should provide progress tracking', (done) => {
            const items = Array.from({ length: 10 }, (_, i) => i);
            const processor = async (item: number) => {
                await new Promise(resolve => setTimeout(resolve, 10));
                return item;
            };
            
            let progressEvents = 0;
            parser.on('progress', (progress) => {
                progressEvents++;
                expect(progress).toHaveProperty('processed');
                expect(progress).toHaveProperty('total');
                expect(progress).toHaveProperty('percentage');
            });
            
            parser.on('completed', () => {
                expect(progressEvents).toBeGreaterThan(0);
                done();
            });
            
            parser.processIncrementally(items, processor);
        });

        test('should cancel processing when requested', async () => {
            const items = Array.from({ length: 100 }, (_, i) => i);
            const processor = async (item: number) => {
                await new Promise(resolve => setTimeout(resolve, 50));
                return item;
            };
            
            // Start processing
            const processingPromise = parser.processIncrementally(items, processor);
            
            // Cancel after a short delay
            setTimeout(() => {
                parser.cancel();
            }, 100);
            
            const results = await processingPromise;
            
            // Should have processed fewer items due to cancellation
            expect(results.length).toBeLessThan(100);
        });

        test('should get processing statistics', () => {
            const stats = parser.getStatistics();
            
            expect(stats).toHaveProperty('isProcessing');
            expect(stats).toHaveProperty('processedItems');
            expect(stats).toHaveProperty('totalItems');
            expect(stats).toHaveProperty('percentage');
            expect(stats).toHaveProperty('memoryUsage');
            expect(stats).toHaveProperty('maxMemoryUsage');
        });
    });

    describe('Enhanced Asset Types (Phase 4)', () => {
        test('should have ULevelSequence asset type', () => {
            // Import would be tested in actual implementation
            // For now, just verify the module structure
            expect(true).toBe(true); // Placeholder
        });

        test('should have UMediaPlayer asset type', () => {
            // Import would be tested in actual implementation
            // For now, just verify the module structure
            expect(true).toBe(true); // Placeholder
        });

        test('should have enhanced UNiagaraSystem support', () => {
            // Niagara system was already implemented and tested
            expect(true).toBe(true); // Placeholder
        });
    });
});