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"""
Benchmarks for Stack 2.9 - Latency Tests
Response time benchmarks.
"""
import pytest
import sys
import time
from pathlib import Path
from unittest.mock import MagicMock, patch
# Add stack_cli to path
sys.path.insert(0, str(Path(__file__).parent.parent / "stack_cli"))
from stack_cli.agent import StackAgent, create_agent
from stack_cli.tools import get_tool
class TestQueryLatency:
"""Test query processing latency."""
def test_simple_query_latency(self):
"""Test latency of simple query."""
with patch('stack_cli.context.create_context_manager'):
with patch('stack_cli.tools.get_tool') as mock_get_tool:
mock_tool = MagicMock(return_value={"success": True})
mock_get_tool.return_value = mock_tool
agent = StackAgent()
start = time.time()
agent.process("simple query")
elapsed = time.time() - start
assert elapsed < 1.0 # Should complete in under 1 second
def test_file_read_latency(self):
"""Test file read operation latency."""
with patch('stack_cli.context.create_context_manager'):
with patch('stack_cli.tools.get_tool') as mock_get_tool:
mock_tool = MagicMock(return_value={"success": True, "content": "x"})
mock_get_tool.return_value = mock_tool
agent = StackAgent()
start = time.time()
agent.process("read test.py")
elapsed = time.time() - start
assert elapsed < 0.5
def test_git_operation_latency(self):
"""Test git operation latency."""
with patch('stack_cli.context.create_context_manager'):
with patch('stack_cli.tools.get_tool') as mock_get_tool:
mock_tool = MagicMock(return_value={"success": True})
mock_get_tool.return_value = mock_tool
agent = StackAgent()
start = time.time()
agent.process("git status")
elapsed = time.time() - start
assert elapsed < 1.0
class TestToolLatency:
"""Test individual tool latencies."""
def test_get_tool_latency(self):
"""Test get_tool lookup latency."""
start = time.time()
for _ in range(1000):
get_tool("read")
elapsed = time.time() - start
# 1000 lookups should be very fast
assert elapsed < 0.1
def test_list_tools_latency(self):
"""Test list_tools latency."""
from stack_cli.tools import list_tools
start = time.time()
for _ in range(100):
tools = list_tools()
elapsed = time.time() - start
assert elapsed < 0.1
assert len(tools) > 30
def test_schemas_lookup_latency(self):
"""Test tool schemas lookup latency."""
from stack_cli.tools import get_tool_schemas
start = time.time()
for _ in range(100):
schemas = get_tool_schemas()
elapsed = time.time() - start
assert elapsed < 0.1
class TestContextLatency:
"""Test context operation latencies."""
def test_context_summary_latency(self):
"""Test getting context summary latency."""
with patch('stack_cli.context.create_context_manager'):
with patch('stack_cli.context.Path') as mock_path:
with patch.object(Path, 'exists', return_value=False):
from stack_cli.context import ContextManager
cm = ContextManager("/tmp")
start = time.time()
for _ in range(100):
cm.get_context_summary()
elapsed = time.time() - start
assert elapsed < 0.5
def test_workspace_context_latency(self):
"""Test workspace context generation latency."""
with patch('stack_cli.context.create_context_manager'):
with patch('stack_cli.context.Path') as mock_path:
with patch.object(Path, 'exists', return_value=False):
from stack_cli.context import ContextManager
cm = ContextManager("/tmp")
start = time.time()
for _ in range(100):
cm.get_workspace_context()
elapsed = time.time() - start
assert elapsed < 0.5
class TestAgentLatency:
"""Test agent operation latencies."""
def test_intent_parsing_latency(self):
"""Test intent parsing latency."""
from stack_cli.agent import QueryUnderstanding
qu = QueryUnderstanding()
start = time.time()
for _ in range(1000):
qu.parse("read test.py")
elapsed = time.time() - start
assert elapsed < 0.5
def test_tool_selection_latency(self):
"""Test tool selection latency."""
from stack_cli.agent import ToolSelector
ts = ToolSelector()
start = time.time()
for _ in range(1000):
ts.select("file_read", {})
elapsed = time.time() - start
assert elapsed < 0.5
class TestMemoryLatency:
"""Test memory operation latencies."""
def test_session_memory_latency(self):
"""Test session memory operations."""
from stack_cli.context import SessionMemory
session = SessionMemory()
start = time.time()
for i in range(1000):
session.add_message("user", f"message {i}")
elapsed = time.time() - start
assert elapsed < 0.5
def test_summary_generation_latency(self):
"""Test summary generation latency."""
from stack_cli.context import SessionMemory
session = SessionMemory()
for i in range(100):
session.add_message("user", f"message {i}")
session.add_tool_usage("read", {"success": True})
start = time.time()
for _ in range(1000):
session.get_summary()
elapsed = time.time() - start
assert elapsed < 0.5
class TestOverallLatency:
"""Test overall system latency."""
def test_full_query_cycle_latency(self):
"""Test full query processing cycle."""
with patch('stack_cli.context.create_context_manager'):
with patch('stack_cli.tools.get_tool') as mock_get_tool:
mock_tool = MagicMock(return_value={"success": True})
mock_get_tool.return_value = mock_tool
agent = StackAgent()
latencies = []
for i in range(10):
start = time.time()
agent.process(f"query {i}")
latencies.append(time.time() - start)
avg_latency = sum(latencies) / len(latencies)
# Average should be reasonable
assert avg_latency < 0.5
def test_batch_query_latency(self):
"""Test batch query processing."""
with patch('stack_cli.context.create_context_manager'):
with patch('stack_cli.tools.get_tool') as mock_get_tool:
mock_tool = MagicMock(return_value={"success": True})
mock_get_tool.return_value = mock_tool
agent = StackAgent()
start = time.time()
for i in range(50):
agent.process(f"batch query {i}")
elapsed = time.time() - start
# 50 queries should complete reasonably fast
assert elapsed < 5.0
if __name__ == "__main__":
pytest.main([__file__, "-v"])
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