#!/usr/bin/env python3
"""
TurboQuant Test Suite
Tests for critical paths in KV cache compression.

Issue #679: Codebase Genome: turboquant — Full Analysis
"""
import unittest
import subprocess
import json
import os
import sys

class TestTurboQuant(unittest.TestCase):
    """Test TurboQuant implementation."""
    
    def test_repo_structure(self):
        """Verify expected files exist."""
        required_files = [
            "llama-turbo.h",
            "llama-turbo.cpp",
            "ggml-metal-turbo.metal",
            "README.md",
            "GENOME.md"
        ]
        
        for filename in required_files:
            filepath = os.path.join(os.path.dirname(__file__), "..", filename)
            self.assertTrue(os.path.exists(filepath), f"Missing required file: {filename}")
    
    def test_benchmarks_exist(self):
        """Verify benchmark scripts exist."""
        benchmark_files = [
            "benchmarks/run_benchmarks.py",
            "benchmarks/run_perplexity.py",
            "benchmarks/run_long_session.py"
        ]
        
        for filename in benchmark_files:
            filepath = os.path.join(os.path.dirname(__file__), "..", filename)
            self.assertTrue(os.path.exists(filepath), f"Missing benchmark file: {filename}")
    
    def test_docs_complete(self):
        """Verify documentation exists."""
        doc_files = [
            "docs/PROJECT_STATUS.md",
            "profiles/README.md"
        ]
        
        for filename in doc_files:
            filepath = os.path.join(os.path.dirname(__file__), "..", filename)
            self.assertTrue(os.path.exists(filepath), f"Missing doc file: {filename}")
    
    def test_genome_generated(self):
        """Verify GENOME.md was generated."""
        genome_path = os.path.join(os.path.dirname(__file__), "..", "GENOME.md")
        self.assertTrue(os.path.exists(genome_path), "GENOME.md not found")
        
        # Check it has required sections
        with open(genome_path, 'r') as f:
            content = f.read()
        
        required_sections = [
            "## Project Overview",
            "## Architecture",
            "## Entry Points",
            "## Data Flow",
            "## Key Abstractions",
            "## API Surface",
            "## Test Coverage Gaps",
            "## Security Considerations"
        ]
        
        for section in required_sections:
            self.assertIn(section, content, f"GENOME.md missing section: {section}")
    
    def test_metal_shader_syntax(self):
        """Basic syntax check for Metal shader."""
        shader_path = os.path.join(os.path.dirname(__file__), "..", "ggml-metal-turbo.metal")
        with open(shader_path, 'r') as f:
            content = f.read()
        
        # Check for key functions
        self.assertIn("kernel_fwht_128", content, "Missing kernel_fwht_128 function")
        self.assertIn("kernel_turbo4_dequant", content, "Missing kernel_turbo4_dequant function")
        self.assertIn("turbo4_centroids", content, "Missing turbo4_centroids array")
    
    def test_cpp_header(self):
        """Verify C++ header has correct declarations."""
        header_path = os.path.join(os.path.dirname(__file__), "..", "llama-turbo.h")
        with open(header_path, 'r') as f:
            content = f.read()
        
        # Check for function declarations
        self.assertIn("polar_quant_encode_turbo4", content, "Missing encode function")
        self.assertIn("polar_quant_decode_turbo4", content, "Missing decode function")
        self.assertIn('extern "C"', content, "Missing C linkage")

class TestBenchmarks(unittest.TestCase):
    """Test benchmark infrastructure."""
    
    def test_benchmark_imports(self):
        """Verify benchmark script can be imported."""
        benchmark_path = os.path.join(os.path.dirname(__file__), "..", "benchmarks", "run_benchmarks.py")
        
        # Check file exists
        self.assertTrue(os.path.exists(benchmark_path), "Benchmark script not found")
        
        # Check it has main function
        with open(benchmark_path, 'r') as f:
            content = f.read()
        
        self.assertIn("def main():", content, "Benchmark script missing main function")
        self.assertIn("argparse", content, "Benchmark script missing argparse")

class TestDocumentation(unittest.TestCase):
    """Test documentation completeness."""
    
    def test_readme_sections(self):
        """Verify README has required sections."""
        readme_path = os.path.join(os.path.dirname(__file__), "..", "README.md")
        with open(readme_path, 'r') as f:
            content = f.read()
        
        required_sections = ["## What", "## Why", "## Status", "## Roles"]
        for section in required_sections:
            self.assertIn(section, content, f"README missing section: {section}")
    
    def test_project_status_sections(self):
        """Verify PROJECT_STATUS.md has required sections."""
        status_path = os.path.join(os.path.dirname(__file__), "..", "docs", "PROJECT_STATUS.md")
        with open(status_path, 'r') as f:
            content = f.read()
        
        # Check for key findings
        self.assertIn("73%", content, "Missing 73% savings metric")
        self.assertIn("PolarQuant", content, "Missing PolarQuant references")
        self.assertIn("Metal", content, "Missing Metal shader references")

if __name__ == "__main__":
    unittest.main()