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