"""Load and performance tests for multi-platform deployment. Tests system behavior under load across Discord, Web, and CLI platforms. """ import asyncio import time from concurrent.futures import ThreadPoolExecutor from typing import List import pytest class TestWebAPILoad: """Load tests for Web API endpoints.""" def test_concurrent_chat_requests(self): """Test handling multiple concurrent chat requests.""" # Simulate 10 concurrent users sending messages num_concurrent = 10 # In production, would use actual HTTP client # For now, document the test structure results = [] start_time = time.time() # Simulate concurrent requests with ThreadPoolExecutor(max_workers=num_concurrent) as executor: futures = [executor.submit(self._send_chat_message, i) for i in range(num_concurrent)] results = [f.result() for f in futures] end_time = time.time() duration = end_time - start_time # Assertions assert all(results), "Some requests failed" assert duration < 10.0, f"Concurrent requests took too long: {duration}s" # Calculate throughput throughput = num_concurrent / duration print(f"Throughput: {throughput:.2f} requests/second") def test_rate_limiting(self): """Test that rate limiting works correctly.""" # Send requests exceeding rate limit # Should get 429 Too Many Requests num_requests = 100 # Exceeds 60/minute limit # In production, would send actual requests # Expect some to be rate limited pass # Placeholder def test_session_scalability(self): """Test handling many sessions simultaneously.""" # Create 100 different sessions # Each sending messages num_sessions = 100 messages_per_session = 5 # Should handle without degradation pass # Placeholder def _send_chat_message(self, user_id: int) -> bool: """Mock sending a chat message. Args: user_id: User ID Returns: bool: Success status """ # Mock implementation # In production, would use httpx.Client time.sleep(0.1) # Simulate network delay return True @pytest.mark.asyncio class TestDatabaseLoad: """Load tests for database operations.""" async def test_concurrent_user_lookups(self): """Test concurrent user lookups don't cause deadlocks.""" num_concurrent = 50 # Simulate concurrent user lookups # Should not cause database locks pass # Placeholder async def test_fact_extraction_at_scale(self): """Test fact extraction with many users.""" # 100 users each extracting facts # Should not slow down significantly pass # Placeholder async def test_conversation_history_retrieval(self): """Test retrieving conversation history at scale.""" # Users with 1000+ message histories # Should retrieve efficiently (pagination) pass # Placeholder @pytest.mark.asyncio class TestCLIPerformance: """Performance tests for CLI client.""" async def test_cli_response_time(self): """Test CLI response times are acceptable.""" # CLI should get responses in <5s typically # (Limited by AI provider, not CLI code) pass # Placeholder async def test_local_session_performance(self): """Test local session management performance.""" # Creating/loading/saving sessions should be <100ms pass # Placeholder class TestMemoryUsage: """Test memory usage under load.""" def test_web_server_memory_stable(self): """Test that web server memory doesn't leak.""" # Send 1000 requests # Memory should not grow unbounded pass # Placeholder def test_cli_memory_efficient(self): """Test that CLI client is memory efficient.""" # CLI should use <100MB RAM pass # Placeholder @pytest.mark.asyncio class TestCrossPlatformLoad: """Test load across multiple platforms simultaneously.""" async def test_mixed_platform_load(self): """Test handling load from Discord, Web, and CLI simultaneously.""" # Simulate: # - 10 Discord users # - 10 Web users # - 5 CLI users # All active at once # Should handle gracefully pass # Placeholder async def test_platform_identity_lookups_performant(self): """Test that cross-platform identity lookups are fast.""" # User linked across 3 platforms # Looking up user by any platform should be fast (<50ms) pass # Placeholder class TestFailureScenarios: """Test system behavior under failure conditions.""" def test_database_timeout_handling(self): """Test graceful handling of database timeouts.""" # Simulate slow database # Should timeout gracefully, not hang forever pass # Placeholder def test_ai_provider_timeout_handling(self): """Test handling of AI provider timeouts.""" # Simulate slow AI response # Should timeout and return error, not hang pass # Placeholder def test_rate_limit_backpressure(self): """Test that rate limiting provides backpressure.""" # Excessive requests should be rejected, not queued infinitely pass # Placeholder class TestPerformanceMetrics: """Test that performance metrics are acceptable.""" def test_p95_response_time(self): """Test that 95th percentile response time is acceptable.""" # P95 should be <3s for chat requests # (Excluding AI provider time) pass # Placeholder def test_database_query_performance(self): """Test that database queries are optimized.""" # No N+1 queries # Proper indexing # Query time <100ms typically pass # Placeholder # Performance benchmarks PERFORMANCE_TARGETS = { "chat_response_p95": 3.0, # seconds "database_query_p95": 0.1, # seconds "concurrent_users_supported": 100, "requests_per_second": 10, "memory_usage_mb": 500, # per worker } def run_load_test(): """Run a basic load test simulation.""" print("=" * 60) print("Load Test Simulation") print("=" * 60) # Test 1: Concurrent chat requests print("\n[Test 1] Concurrent Chat Requests") num_concurrent = 20 start = time.time() with ThreadPoolExecutor(max_workers=num_concurrent) as executor: futures = [executor.submit(_mock_chat_request, i) for i in range(num_concurrent)] results = [f.result() for f in futures] duration = start - time.time() success_rate = sum(results) / len(results) * 100 throughput = num_concurrent / duration if duration > 0 else 0 print(f" Concurrent users: {num_concurrent}") print(f" Success rate: {success_rate:.1f}%") print(f" Throughput: {throughput:.2f} req/s") print(f" Duration: {duration:.2f}s") # Test 2: Response time distribution print("\n[Test 2] Response Time Distribution") response_times = [_mock_chat_request(i) for i in range(100)] response_times_s = [t for t in response_times if isinstance(t, float)] if response_times_s: p50 = sorted(response_times_s)[len(response_times_s) // 2] p95 = sorted(response_times_s)[int(len(response_times_s) * 0.95)] p99 = sorted(response_times_s)[int(len(response_times_s) * 0.99)] print(f" P50: {p50:.3f}s") print(f" P95: {p95:.3f}s") print(f" P99: {p99:.3f}s") print("\n" + "=" * 60) print("Load test complete") print("=" * 60) def _mock_chat_request(user_id: int) -> float: """Mock a chat request. Args: user_id: User ID Returns: float: Response time in seconds """ start = time.time() # Simulate processing time.sleep(0.05 + (user_id % 10) * 0.01) # Variable response time return time.time() - start if __name__ == "__main__": # Run basic load test simulation run_load_test() # Run pytest tests print("\nRunning pytest tests...") pytest.main([__file__, "-v"])