mirror of
https://github.com/turnstonelabs/turnstone.git
synced 2026-08-12 23:12:23 -06:00
Patrick Buckley
d0fc42195a
Remove unused methods (ToolSearchManager.should_activate, get_all_tools), dead attributes (_all_tools, _threshold), unused constant (DEFAULT_INTERVAL), unused Scenario protocol class, and vestigial parameters (judge._evaluate_single heuristic, SimEngine.simulate_llm_response turn_number). Lengthen JWT test secrets to >= 32 bytes to suppress InsecureKeyLengthWarning from PyJWT.
352 lines
11 KiB
Python
352 lines
11 KiB
Python
"""Tests for the turnstone cluster simulator."""
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from __future__ import annotations
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import asyncio
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import random
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from unittest.mock import MagicMock
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import pytest
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from turnstone.mq.protocol import (
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OutboundEvent,
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SendMessage,
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StateChangeEvent,
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)
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from turnstone.sim.config import SimConfig
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from turnstone.sim.engine import SimEngine, ToolSimulationError
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from turnstone.sim.metrics import MetricsCollector
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from turnstone.sim.node import SimNode, SimWorkstream
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def _run(coro):
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"""Run an async coroutine synchronously."""
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return asyncio.run(coro)
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# ---------------------------------------------------------------------------
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# SimConfig
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# ---------------------------------------------------------------------------
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class TestSimConfig:
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def test_defaults(self):
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cfg = SimConfig()
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assert cfg.num_nodes == 10
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assert cfg.scenario == "steady"
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assert cfg.llm_latency_mean == 2.0
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assert cfg.tool_failure_rate == 0.02
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def test_frozen(self):
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cfg = SimConfig()
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with pytest.raises(AttributeError):
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cfg.num_nodes = 5 # type: ignore[misc]
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def test_custom_values(self):
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cfg = SimConfig(num_nodes=100, scenario="burst", seed=42)
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assert cfg.num_nodes == 100
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assert cfg.scenario == "burst"
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assert cfg.seed == 42
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# ---------------------------------------------------------------------------
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# SimEngine
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# ---------------------------------------------------------------------------
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class TestSimEngine:
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@pytest.fixture
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def fast_config(self):
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return SimConfig(
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llm_latency_mean=0.01,
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llm_latency_stddev=0.001,
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llm_tokens_mean=20,
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llm_tokens_stddev=5,
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tool_latency_mean=0.01,
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tool_latency_stddev=0.001,
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tool_failure_rate=0.0,
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seed=42,
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)
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@pytest.fixture
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def engine(self, fast_config):
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return SimEngine(fast_config)
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def test_llm_response_returns_content(self, engine):
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async def _test():
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content, tool_calls = await engine.simulate_llm_response(True)
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assert isinstance(content, str)
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assert len(content) > 0
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assert isinstance(tool_calls, list)
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_run(_test())
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def test_llm_response_reproducible_with_seed(self, fast_config):
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async def _test():
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e1 = SimEngine(fast_config, rng=random.Random(123))
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e2 = SimEngine(fast_config, rng=random.Random(123))
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c1, t1 = await e1.simulate_llm_response(True)
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c2, t2 = await e2.simulate_llm_response(True)
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assert c1 == c2
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assert len(t1) == len(t2)
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_run(_test())
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def test_tool_execution_success(self, engine):
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async def _test():
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result = await engine.simulate_tool_execution("bash")
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assert "bash" in result
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assert "completed" in result
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_run(_test())
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def test_tool_execution_failure(self, fast_config):
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cfg = SimConfig(
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llm_latency_mean=0.01,
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tool_latency_mean=0.01,
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tool_latency_stddev=0.001,
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tool_failure_rate=1.0, # always fail
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seed=42,
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)
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engine = SimEngine(cfg)
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async def _test():
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with pytest.raises(ToolSimulationError, match="Simulated bash failure"):
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await engine.simulate_tool_execution("bash")
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_run(_test())
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def test_generate_content(self, engine):
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content = engine._generate_content(10)
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words = content.split()
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assert len(words) == 10
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# ---------------------------------------------------------------------------
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# MetricsCollector
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# ---------------------------------------------------------------------------
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class TestMetricsCollector:
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def test_record_and_summary(self):
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m = MetricsCollector()
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m.record_inject()
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m.record_turn("ws1", "node-0", 1.5)
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m.record_turn("ws2", "node-0", 2.5)
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m.record_turn("ws3", "node-1", 3.0)
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m.record_error("node-0", "test error")
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report = m.summary()
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assert report["total_turns"] == 3
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assert report["total_errors"] == 1
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assert report["latency"]["p50"] == 2.5
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assert report["latency"]["max"] == 3.0
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assert report["turns_per_node"]["node-0"] == 2
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assert report["turns_per_node"]["node-1"] == 1
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def test_empty_summary(self):
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m = MetricsCollector()
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report = m.summary()
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assert report["total_turns"] == 0
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assert report["latency"]["p50"] == 0
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def test_node_kill_tracking(self):
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m = MetricsCollector()
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m.record_node_kill("node-0")
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m.record_node_kill("node-1")
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report = m.summary()
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assert report["node_kills"] == 2
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def test_utilization_snapshot(self):
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m = MetricsCollector()
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m.snapshot_utilization({"node-0": 3, "node-1": 5, "node-2": 0})
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report = m.summary()
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assert report["utilization"]["mean_ws_per_node"] == pytest.approx(8 / 3)
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assert report["utilization"]["max_ws_per_node"] == 5
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assert report["utilization"]["nodes_with_zero_ws"] == 1
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# ---------------------------------------------------------------------------
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# SimNode — message dispatch
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# ---------------------------------------------------------------------------
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class TestSimNode:
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@pytest.fixture
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def fast_config(self):
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return SimConfig(
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llm_latency_mean=0.01,
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llm_latency_stddev=0.001,
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llm_tokens_mean=10,
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llm_tokens_stddev=2,
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llm_token_rate=1000,
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tool_latency_mean=0.01,
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tool_latency_stddev=0.001,
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tool_failure_rate=0.0,
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max_tool_rounds=0, # no tool calls — fast turn
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seed=42,
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)
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@pytest.fixture
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def mock_broker(self):
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broker = MagicMock()
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broker.list_nodes.return_value = []
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return broker
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@pytest.fixture
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def node(self, fast_config, mock_broker):
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metrics = MetricsCollector()
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return SimNode("test-node", mock_broker, fast_config, metrics)
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def test_handle_send_creates_workstream(self, node, mock_broker):
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async def _test():
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msg = SendMessage(message="hello", auto_approve=True)
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await node.handle_message(msg.to_json())
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assert node.workstream_count == 1
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mock_broker.set_ws_owner.assert_called_once()
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assert mock_broker.publish_outbound.call_count > 0
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_run(_test())
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def test_handle_send_reuses_existing_ws(self, node, mock_broker):
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async def _test():
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msg1 = SendMessage(message="hello", auto_approve=True)
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await node.handle_message(msg1.to_json())
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assert node.workstream_count == 1
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ws_id = list(node._workstreams.keys())[0]
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msg2 = SendMessage(message="world", ws_id=ws_id, auto_approve=True)
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await node.handle_message(msg2.to_json())
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assert node.workstream_count == 1
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_run(_test())
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def test_published_events_are_valid_protocol(self, node, mock_broker):
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async def _test():
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msg = SendMessage(message="test", auto_approve=True)
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await node.handle_message(msg.to_json())
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for c in mock_broker.publish_outbound.call_args_list:
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_channel, event_json = c[0]
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event = OutboundEvent.from_json(event_json)
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assert event.type != ""
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_run(_test())
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def test_state_transitions(self, node, mock_broker):
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async def _test():
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msg = SendMessage(message="test", auto_approve=True)
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await node.handle_message(msg.to_json())
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states = []
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for c in mock_broker.publish_outbound.call_args_list:
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channel, event_json = c[0]
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event = OutboundEvent.from_json(event_json)
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if isinstance(event, StateChangeEvent):
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states.append(event.state)
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assert "thinking" in states
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assert "idle" in states
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assert states.index("thinking") < states.index("idle")
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_run(_test())
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def test_turn_complete_published(self, node, mock_broker):
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async def _test():
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msg = SendMessage(message="test", auto_approve=True)
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await node.handle_message(msg.to_json())
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turn_completes = [
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OutboundEvent.from_json(c[0][1])
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for c in mock_broker.publish_outbound.call_args_list
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if '"turn_complete"' in c[0][1]
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]
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assert len(turn_completes) >= 1
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_run(_test())
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def test_close_workstream(self, node, mock_broker):
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async def _test():
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msg = SendMessage(message="hello", auto_approve=True)
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await node.handle_message(msg.to_json())
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ws_id = list(node._workstreams.keys())[0]
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from turnstone.mq.protocol import CloseWorkstreamMessage
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close_msg = CloseWorkstreamMessage(ws_id=ws_id)
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await node.handle_message(close_msg.to_json())
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assert node.workstream_count == 0
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mock_broker.del_ws_owner.assert_called_with(ws_id)
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_run(_test())
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def test_stop_cleans_up(self, node, mock_broker):
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# Add a fake workstream
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node._workstreams["fake"] = MagicMock()
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mock_broker.set_ws_owner("fake", "test-node")
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node.stop()
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assert not node._running
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assert node.workstream_count == 0
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mock_broker.del_ws_owner.assert_called()
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def test_heartbeat_once(self, node, mock_broker):
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node.heartbeat_once()
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mock_broker.register_node.assert_called_once()
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args = mock_broker.register_node.call_args
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assert args[0][0] == "test-node"
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assert args[0][1]["sim"] is True
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# ---------------------------------------------------------------------------
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# SimWorkstream — state machine
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# ---------------------------------------------------------------------------
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class TestSimWorkstream:
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@pytest.fixture
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def fast_config(self):
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return SimConfig(
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llm_latency_mean=0.01,
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llm_latency_stddev=0.001,
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llm_tokens_mean=10,
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llm_tokens_stddev=2,
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llm_token_rate=1000,
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tool_latency_mean=0.01,
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tool_latency_stddev=0.001,
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tool_failure_rate=0.0,
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max_tool_rounds=0,
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seed=42,
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)
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def test_turn_ends_in_idle(self, fast_config):
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async def _test():
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broker = MagicMock()
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metrics = MetricsCollector()
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node = SimNode("test", broker, fast_config, metrics)
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engine = SimEngine(fast_config)
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ws = SimWorkstream("ws1", "test-ws", node, engine, fast_config)
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await ws.process_turn("hello", "cid-123")
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assert ws.state == "idle"
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_run(_test())
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def test_turn_records_metrics(self, fast_config):
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async def _test():
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broker = MagicMock()
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metrics = MetricsCollector()
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node = SimNode("test", broker, fast_config, metrics)
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engine = SimEngine(fast_config)
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ws = SimWorkstream("ws1", "test-ws", node, engine, fast_config)
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await ws.process_turn("hello", "cid-123")
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report = metrics.summary()
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assert report["total_turns"] == 1
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assert report["turns_per_node"]["test"] == 1
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_run(_test())
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