Nabu + Nisaba

#!/usr/bin/env python3 """ Phase 0 Spike: Validate TUI+Frames architecture. Tests: 1. Load codebase root from kuzu 2. Expand python_root (lazy load children) 3. Verify children loaded correctly 4. Check memory usage """ import sys from pathlib import Path # Add src to path src_path = Path(__file__).parent / "src" sys.path.insert(0, str(src_path)) from nabu.db.kuzu_manager import KuzuConnectionManager from nabu.tui.frame_cache import FrameCache def main(): """Run spike validation.""" print("=" * 60) print("Phase 0 Spike: TUI+Frames Architecture Validation") print("=" * 60) print() # Initialize database connection db_path = Path.cwd() / "nabu.kuzu" if not db_path.exists(): print(f"❌ Database not found: {db_path}") print("Run: nabu build-database") return 1 print(f"✓ Database: {db_path}") print() db_manager = KuzuConnectionManager.get_instance(str(db_path)) # Test 1: Initialize cache and load root print("Test 1: Initialize FrameCache and load codebase root") print("-" * 60) cache = FrameCache(db_manager) try: root = cache.initialize_root() print(f"✓ Loaded root: {root.name} ({root.qualified_name})") print(f" Root has {len(root.children)} language children") for lang_root in root.children: print(f" - {lang_root.name} ({lang_root.type.value})") except Exception as e: print(f"❌ Failed to load root: {e}") import traceback traceback.print_exc() return 1 print() # Test 2: Expand python_root (lazy load) print("Test 2: Expand python_root (lazy load children)") print("-" * 60) python_root = cache.get_or_load("nabu_nisaba.python_root") if not python_root: print("❌ python_root not found") return 1 print(f"✓ Loaded python_root: {python_root.name}") print(f" Children loaded before expand: {python_root._children_loaded}") print(f" Children count: {python_root.get_child_count(db_manager)}") print() # Expand (lazy load children) python_root._view_expanded = True python_root.ensure_children_loaded(db_manager) print(f" Children loaded after expand: {python_root._children_loaded}") print(f" Actual children: {len(python_root.children)}") print() print(" First 5 children:") for child in python_root.children[:5]: print(f" - {child.name} ({child.type.value}) - {child.qualified_name}") print() # Test 3: Verify cache print("Test 3: Verify frame caching") print("-" * 60) # Load same frame again - should return cached instance python_root_again = cache.get_or_load("nabu_nisaba.python_root") if python_root_again is python_root: print("✓ Cache hit: Same instance returned") else: print("❌ Cache miss: Different instance returned") print(f" Total frames cached: {len(cache.frames)}") print() # Test 4: Memory usage print("Test 4: Memory usage estimation") print("-" * 60) import sys total_size = sum(sys.getsizeof(f) for f in cache.frames.values()) print(f" Total frames: {len(cache.frames)}") print(f" Estimated memory: {total_size / 1024:.2f} KB") print() # Success print("=" * 60) print("✓ Spike validation successful!") print("=" * 60) return 0 if __name__ == "__main__": sys.exit(main())