# -*- coding: utf-8 -*-
#
# Copyright 2020 - Swiss Data Science Center (SDSC)
# A partnership between École Polytechnique Fédérale de Lausanne (EPFL) and
# Eidgenössische Technische Hochschule Zürich (ETHZ).
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Test utility functions."""
import uuid
from contextlib import contextmanager

import pytest


def raises(error):
    """Wrapper around pytest.raises to support None."""
    if error:
        return pytest.raises(error)
    else:

        @contextmanager
        def not_raises():
            try:
                yield
            except Exception as e:
                raise e

        return not_raises()


def make_dataset_add_payload(project_id, urls, short_name=None):
    """Make dataset add request payload."""
    files = []
    for url in urls:
        if isinstance(url, tuple):
            files.append({url[0]: url[1]})

        if isinstance(url, str):
            files.append({'file_url': url})

    return {
        'project_id': project_id,
        'short_name': short_name or uuid.uuid4().hex,
        'create_dataset': True,
        'force': False,
        'files': files
    }
