"""
Copyright (c) Meta Platforms, Inc. and affiliates.

This source code is licensed under the MIT license found in the
LICENSE file in the root directory of this source tree.
"""

from __future__ import annotations

import tempfile

import pytest
import yaml

from fairchem.core.common.utils import UniqueKeyLoader


@pytest.fixture(scope="class")
def invalid_yaml_config():
    return """
key1:
    - a
    - b
key1:
    - c
    - d
"""


@pytest.fixture(scope="class")
def valid_yaml_config():
    return """
key1:
    - a
    - b
key2:
    - c
    - d
"""


@pytest.fixture(scope="class")
def include_path_in_yaml_config():
    return """
includes:
    - other.yml
"""


def test_invalid_config(invalid_yaml_config):
    with tempfile.NamedTemporaryFile(delete=False) as fp:
        fp.write(invalid_yaml_config.encode())
        fname = fp.name

    with pytest.raises(ValueError):  # noqa
        with open(fname) as fp:
            yaml.load(fp, Loader=UniqueKeyLoader)


def test_valid_config(valid_yaml_config):
    with tempfile.NamedTemporaryFile(delete=False) as fp:
        fp.write(valid_yaml_config.encode())
        fname = fp.name

    with open(fname) as fp:
        yaml.load(fp, Loader=UniqueKeyLoader)