245 lines
8.2 KiB
Python
245 lines
8.2 KiB
Python
"""训练循环诊断注入：_run_diagnosis 按 batch question_ids 加载真实树注入 run_diagnosis。
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覆盖诊断 tree_data 断链修复的训练循环侧（Task 4）：验证 runner._run_diagnosis 会把
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batch 涉及 video 的真实树作为 tree_data 传给 core.run_diagnosis，而非空 dict。
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"""
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from __future__ import annotations
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import json
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from pathlib import Path # noqa: TC003 — 运行时 tmp_path 标注使用
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from unittest.mock import AsyncMock, MagicMock, patch
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import pytest
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from app.harness.config import RunConfig
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from app.harness.runner import Runner
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from core.evolution.types import DiagnosisResult
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# 真实样本：question 604-2 属于 video 0RxMZBLeqRI（111 节点树）。
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_REAL_QUESTION_ID = "604-2"
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_REAL_VIDEO_ID = "0RxMZBLeqRI"
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def _empty_diagnosis_result(run_id: str = "infer_adhoc") -> DiagnosisResult:
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"""构造仅含 run_id 的空诊断结果（其余字段走 dataclass 默认值）。"""
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return DiagnosisResult(run_id=run_id)
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def _base_config(workspace_dir: Path, store_dir: Path) -> RunConfig:
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"""构造 diagnose 模式 RunConfig，所有必填字段给测试默认值。
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参数:
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workspace_dir: 已写入 manifest 的 workspace 根目录。
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store_dir: 真实 store 根目录（含 questions/ 与 videos/）。
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"""
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return RunConfig(
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workspace_dir=workspace_dir,
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store_dir=store_dir,
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mode="diagnose",
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concurrency=1,
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max_steps=5,
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skill_mode="none",
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n_samples=0,
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questions="benchmarks/Video-MME",
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skills_version="v1",
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prompts_version="v1",
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epochs=1,
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diag_size=10,
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diag_correct_ratio=0.5,
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val_size=24,
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val_correct_ratio=0.5,
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edit_budget_start=5,
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edit_budget_end=2,
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batch_size=5,
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min_class_per_batch=2,
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eval_min_per_class=2,
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trainable_min_units=8,
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early_stop_patience=3,
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test_size=10,
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use_slow_momentum=False,
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gate_e_confirm=20.0,
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gate_e_provisional=3.0,
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gate_w_net_min=2,
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gate_delta_min=0.02,
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gate_lambda_dir=-0.642,
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gate_e_rollback=10.0,
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gate_block=8,
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gate_n_max=40,
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gate_p_low=0.05,
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gate_p_high=0.95,
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gate_probe_quota=0.2,
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gate_gamma_decay=0.9,
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gate_cooldown_steps=2,
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gate_guard_err=0.10,
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skill_update_mode="patch",
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appendix_consolidate_threshold=6,
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run_id="infer_adhoc",
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)
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@pytest.fixture
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def runner_with_real_store(tmp_path: Path) -> Runner:
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"""构造 diagnose 模式 runner，questions/videos 指向真实 store。
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manifest.store 写真实 store 绝对路径，使 resolve_paths 的 questions_dir
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命中含 604-2 的题库、store_dir 命中 0RxMZBLeqRI 的真实 tree.json。
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"""
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store_dir = Path(__file__).resolve().parents[2] / "store"
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ws = tmp_path / "ws"
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ws.mkdir()
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(ws / "skills" / "v1").mkdir(parents=True)
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manifest = {
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"name": "ws",
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"created_at": "",
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"store": store_dir.as_posix(),
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"current": {
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"videos": "videos",
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"questions": "questions/benchmarks/Video-MME",
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"skills": "skills/v1",
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"prompts": "prompts/v1",
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},
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"history": [],
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}
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(ws / "manifest.json").write_text(json.dumps(manifest))
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return Runner(
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_base_config(ws, store_dir),
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llm=MagicMock(),
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evolve_llm=MagicMock(),
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vlm=MagicMock(),
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telemetry=MagicMock(),
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)
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@pytest.mark.asyncio
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async def test_run_diagnosis_injects_tree_data(runner_with_real_store: Runner) -> None:
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"""_run_diagnosis 把 batch question_ids 对应 video 的真实树注入 run_diagnosis。"""
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captured: dict[str, object] = {}
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async def _fake_run_diagnosis(**kwargs: object) -> DiagnosisResult:
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captured["tree_data"] = kwargs["tree_data"]
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return _empty_diagnosis_result()
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with patch(
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"core.evolution.diagnose.run_diagnosis",
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new=AsyncMock(side_effect=_fake_run_diagnosis),
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):
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await runner_with_real_store._run_diagnosis("infer_adhoc", question_ids=[_REAL_QUESTION_ID])
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tree_data = captured["tree_data"]
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assert _REAL_VIDEO_ID in tree_data
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assert tree_data[_REAL_VIDEO_ID]["nodes"]
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def _fake_question(question_id: str, video_id: str) -> object:
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"""构造仅设置 question_id/video_id 的 GeneratedQuestion（其余字段给占位默认）。"""
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from core.types import GeneratedQuestion
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return GeneratedQuestion(
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question_id=question_id,
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video_id=video_id,
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task_type="Action Reasoning",
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question="问题",
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options=("A", "B", "C", "D"),
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answer="A",
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source_nodes=(),
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difficulty="medium",
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)
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@pytest.mark.asyncio
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async def test_diagnosis_reads_traces_from_steps_json(
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runner_with_real_store: Runner,
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) -> None:
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"""traces 表为空但 predictions.steps_json 有轨迹时，诊断仍拿到非空 traces。
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构造一条只写 steps_json、不写 traces 表的 predictions 行；patch run_diagnosis
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捕获传入的 run_log，直接 await 其 get_traces 断言经 StepsJsonRunLog 从
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steps_json 重建出非空轨迹（算法 #7 恢复）。
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"""
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from app.harness.inference import PREDICTIONS_SCHEMA
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from app.harness.log import HarnessLog
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steps_json = json.dumps(
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[
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{
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"thought": "先看整体",
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"tool_call": {"tool": "search_tree", "args": {"query": "开场"}},
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"tool_output": "命中 L2 节点 A",
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}
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],
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ensure_ascii=False,
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)
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with HarnessLog(str(runner_with_real_store._paths.db_path), "infer_adhoc") as log:
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log.create_table("predictions", PREDICTIONS_SCHEMA)
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log.create_table("traces", {"video_id": "TEXT", "question_id": "TEXT", "step": "INTEGER"})
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log.insert(
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"predictions",
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{
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"video_id": _REAL_VIDEO_ID,
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"question_id": _REAL_QUESTION_ID,
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"task_type": "Action Reasoning",
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"prediction": "A",
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"answer": "B",
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"evidence": "",
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"reasoning": "",
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"steps_used": 1,
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"prompt_tokens": 0,
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"completion_tokens": 0,
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"stop_reason": "finished",
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"steps_json": steps_json,
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},
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)
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captured: dict[str, object] = {}
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async def _fake_run_diagnosis(**kwargs: object) -> DiagnosisResult:
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captured["run_log"] = kwargs["run_log"]
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return _empty_diagnosis_result()
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with patch(
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"core.evolution.diagnose.run_diagnosis",
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new=AsyncMock(side_effect=_fake_run_diagnosis),
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):
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await runner_with_real_store._run_diagnosis(
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"infer_adhoc", question_ids=[_REAL_QUESTION_ID]
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)
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run_log = captured["run_log"]
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traces = await run_log.get_traces("infer_adhoc", question_ids=[_REAL_QUESTION_ID])
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assert traces, "traces 表空时应从 steps_json 重建出非空轨迹"
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assert traces[0]["tool_name"] == "search_tree"
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@pytest.mark.asyncio
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async def test_run_diagnosis_full_scan_loads_all_video_trees(
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runner_with_real_store: Runner,
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) -> None:
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"""question_ids=None（全量诊断）路径：加载全部 questions 涉及 video 的树。
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轻量验证：patch load_benchmark 返回两个不同 video 的假题，patch
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load_tree_data_for_videos 捕获 video_ids，断言全量路径覆盖全部 video。
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"""
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fake_qs = [
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_fake_question("q-a", "vA"),
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_fake_question("q-b", "vB"),
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]
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captured: dict[str, object] = {}
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def _cap(store_dir: Path, video_ids: list[str]) -> dict[str, object]:
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captured["video_ids"] = list(video_ids)
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return {v: {"nodes": {}} for v in video_ids}
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with (
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patch("app.question_gen.load_benchmark", return_value=fake_qs),
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patch("app.harness.tree_nodes.load_tree_data_for_videos", side_effect=_cap),
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patch(
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"core.evolution.diagnose.run_diagnosis",
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new=AsyncMock(return_value=_empty_diagnosis_result()),
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),
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):
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await runner_with_real_store._run_diagnosis("infer_adhoc", question_ids=None)
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assert set(captured["video_ids"]) == {"vA", "vB"}
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