"""校验 5 个进化/动量模板存在且输出契约关键词与解析代码对齐。"""
from pathlib import Path

import pytest

_PROMPTS_DIR = Path("prompts")


@pytest.mark.parametrize(
    "name, required_tokens",
    [
        ("evolve_skill.md", ["suggestions", "edits"]),
        ("evolve_system.md", ["suggestions", "edits"]),
        ("evolve_tool.md", ["edits_extract", "edits_verify"]),
        ("evolve_rank.md", ["selected_indices"]),
        ("slow_momentum.md", ["slow_update_content"]),
    ],
)
def test_evolve_template_present_and_contract(name: str, required_tokens: list[str]) -> None:
    path = _PROMPTS_DIR / name
    assert path.exists(), f"缺模板: {path}"
    text = path.read_text(encoding="utf-8")
    assert text.strip(), f"模板为空: {path}"
    for token in required_tokens:
        assert token in text, f"{name} 缺输出契约关键词 {token!r}（与解析代码不对齐）"


def test_video_split_loader_fail_loud_on_missing(tmp_path, monkeypatch):
    """video_split_cli 的真实 diagnose 加载器缺模板必须 FileNotFoundError。"""
    monkeypatch.chdir(tmp_path)  # 空目录，无 prompts/*.md
    from app.harness.video_split_cli import _load_diagnose_prompts

    with pytest.raises(FileNotFoundError, match="缺进化/诊断模板"):
        _load_diagnose_prompts()


def test_runner_evolve_loader_fail_loud_on_missing(tmp_path, monkeypatch):
    """runner 的真实 evolve 加载器缺模板必须 FileNotFoundError。"""
    monkeypatch.chdir(tmp_path)
    from app.harness.runner import Runner

    r = object.__new__(Runner)  # 绕过 __init__，仅测无状态加载器方法
    with pytest.raises(FileNotFoundError, match="缺进化/诊断模板"):
        r._load_evolve_prompts()


def test_runner_diagnose_loader_fail_loud_on_missing(tmp_path, monkeypatch):
    """runner 的真实 diagnose 加载器缺模板必须 FileNotFoundError。"""
    monkeypatch.chdir(tmp_path)
    from app.harness.runner import Runner

    r = object.__new__(Runner)
    with pytest.raises(FileNotFoundError, match="缺进化/诊断模板"):
        r._load_diagnose_prompts()