"""CF-01~07: Config + MappingConfig"""

import sys, os, tempfile, json
from pathlib import Path
sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), "..", "..")))
from config import Config


def test_config_defaults():
    """CF-01: 默认值"""
    c = Config()
    assert c.runner_mode == "native"
    assert hasattr(c, "llm_model")


def test_config_from_toml(tmp_path):
    """CF-02: from_toml 有效文件"""
    p = tmp_path / "aurak.toml"
    p.write_text('[runner]\nmode = "spark"\n[llm]\nmodel = "gpt-4"\n')
    c = Config.from_toml(str(p))
    assert c.runner_mode == "spark"
    assert c.llm_model == "gpt-4"


def test_config_from_toml_not_found():
    """CF-03: 文件不存在 → 默认值"""
    c = Config.from_toml("/nonexistent/aurak.toml")
    assert c.runner_mode == "native"


def test_config_from_toml_invalid():
    """CF-04: 非法 TOML → 返回默认"""
    with tempfile.TemporaryDirectory() as tmp:
        p = Path(tmp) / "bad.toml"
        p.write_text("= invalid toml [[[")
        c = Config.from_toml(str(p))
        assert c is not None