Files
2026-07-13 12:36:35 +08:00

124 lines
4.4 KiB
Python

from pathlib import Path
from unittest.mock import patch
import pytest
from plugin_eval.layers._sdk import usage_total_tokens
# claude-agent-sdk lives in the optional `llm` extra; skip these SDK-object tests
# (rather than fail collection) when a dev installed only the `dev` extra.
pytest.importorskip("claude_agent_sdk")
from claude_agent_sdk import AssistantMessage, ResultMessage, TextBlock # noqa: E402
from plugin_eval.layers.monte_carlo import ( # noqa: E402
MonteCarloAnalyzer,
MonteCarloConfig,
SimResult,
_simresult_from_messages,
)
def _assistant(text: str) -> AssistantMessage:
return AssistantMessage(content=[TextBlock(text=text)], model="claude-sonnet-5")
def _result(
*, is_error: bool = False, result: str | None = None, usage: dict | None = None
) -> ResultMessage:
return ResultMessage(
subtype="success" if not is_error else "error",
duration_ms=1,
duration_api_ms=1,
is_error=is_error,
num_turns=1,
session_id="t",
result=result,
usage=usage,
)
class TestSimResultFromMessages:
def test_activated_when_assistant_text_present(self):
sim = _simresult_from_messages([_assistant("x" * 250), _result()], "p", 10)
assert sim.activated is True
assert sim.quality_score == 0.5
assert sim.errored is False
def test_not_activated_when_no_text(self):
sim = _simresult_from_messages([_result()], "p", 10)
assert sim.activated is False
assert sim.quality_score == 0.0
def test_errored_result_flagged(self):
sim = _simresult_from_messages([_result(is_error=True)], "p", 10)
assert sim.errored is True
def test_activated_via_result_fallback(self):
# A run that emits only a terminal ResultMessage.result (no AssistantMessage
# text) must still count as activated, using the shared result fallback.
sim = _simresult_from_messages([_result(result="x" * 250)], "p", 10)
assert sim.activated is True
assert sim.quality_score == 0.5
def test_tokens_summed_from_usage(self):
sim = _simresult_from_messages(
[_assistant("hi"), _result(usage={"input_tokens": 3, "output_tokens": 4})],
"p",
10,
)
assert sim.tokens == 7
class TestSimResult:
def test_sim_result(self):
sr = SimResult(activated=True, quality_score=0.8, tokens=2500, duration_ms=1200)
assert sr.activated is True
assert sr.errored is False
class TestMonteCarloAnalyzer:
@pytest.mark.asyncio
@patch("plugin_eval.layers.monte_carlo.run_simulation")
async def test_run_with_mocked_sims(self, mock_sim, sample_skill_dir: Path):
mock_sim.return_value = SimResult(
activated=True, quality_score=0.82, tokens=2800, duration_ms=1500
)
config = MonteCarloConfig(n_runs=10, concurrency=2)
analyzer = MonteCarloAnalyzer(config)
result = await analyzer.analyze_skill(sample_skill_dir)
assert result.layer == "monte_carlo"
assert result.score > 0
assert "triggering" in result.sub_scores
assert "output_consistency" in result.sub_scores
assert "failure_rate" in result.sub_scores
def test_statistical_analysis(self):
"""Test the statistical analysis on pre-computed sim results."""
analyzer = MonteCarloAnalyzer(MonteCarloConfig(n_runs=50))
results = [
SimResult(activated=True, quality_score=0.8 + i * 0.002, tokens=2500, duration_ms=1200)
for i in range(48)
] + [
SimResult(
activated=False, quality_score=0.0, tokens=500, duration_ms=200, errored=True
),
SimResult(activated=True, quality_score=0.75, tokens=8000, duration_ms=5000),
]
stats = analyzer._compute_statistics(results)
assert stats["triggering"]["activation_rate"] == pytest.approx(0.98)
assert stats["failure_rate"]["p_fail"] == pytest.approx(0.02)
assert stats["output_consistency"]["cv"] < 0.15
class TestUsageTotalTokens:
def test_sums_component_token_fields(self):
assert usage_total_tokens({"input_tokens": 10, "output_tokens": 5}) == 15
def test_prefers_explicit_total_tokens(self):
assert usage_total_tokens({"total_tokens": 20, "input_tokens": 1}) == 20
def test_none_and_empty_are_zero(self):
assert usage_total_tokens(None) == 0
assert usage_total_tokens({}) == 0