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