# Copyright (c) 2012 Spotify AB
#
# 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.

import luigi
import unittest

def create_class(cls_name):
    class NewTask(luigi.WrapperTask):
        pass

    NewTask.__name__ = cls_name

    return NewTask


my_new_task = luigi.expose(create_class('MyNewTask'))

class SetTaskNameTest(unittest.TestCase):
    ''' I accidentally introduced an issue in this commit:
    https://github.com/spotify/luigi/commit/6330e9d0332e6152996292a39c42f752b9288c96

    This causes tasks not to get exposed if they change name later. Adding a unit test
    to resolve the issue. '''

    def test_set_task_name(self):
        luigi.run(['--local-scheduler', 'MyNewTask'])


if __name__ == '__main__':
    luigi.run()
