import json
from utils import metadata
import yaml


def test_load_metadata_file_yaml(tmp_path):
    data = {'a': 1, 'b': 'test'}
    yaml_path = tmp_path / 'meta.yaml'
    yaml_path.write_text(yaml.dump(data))
    result = metadata.load_metadata_file(yaml_path)
    assert result == data


def test_load_metadata_file_json(tmp_path):
    data = {'x': 42, 'y': 'hello'}
    json_path = tmp_path / 'meta.json'
    json_path.write_text(json.dumps(data))
    result = metadata.load_metadata_file(json_path)
    assert result == data


def test_load_metadata_file_missing(tmp_path):
    missing_path = tmp_path / 'nope.yaml'
    result = metadata.load_metadata_file(missing_path)
    assert result == {}