set_task_name_test.py

# -*- coding: utf-8 -*-
#
# Copyright 2012-2015 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.
#

from helpers import unittest

import luigi


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

    NewTask.__name__ = cls_name

    return NewTask


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', '--no-lock', 'MyNewTask'])