import json
import os
import shutil
import tempfile

import pytest

from yird.settings import Settings


def test_missing_yird_path():
    os.environ["YIRD_PATH"] = ""
    os.environ.pop("YIRD_PATH")
    with pytest.raises(KeyError):
        Settings()


def test_reading_yird_path():
    root = tempfile.mkdtemp()
    os.environ["YIRD_PATH"] = root
    with open(os.path.join(root, "settings.json"), "w") as f:
        f.write(json.dumps({
            "PUBLIC_PATH": os.path.join(root, "public"),
            "SITE_NAME": "test website",
            "MARKDOWN_PREVIEW": True
        }))
    assert Settings().YIRD_PATH == root
    shutil.rmtree(root)