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util_test.py
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util_test.py
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# 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 unittest
import luigi
import luigi.util
import luigi.notifications
luigi.notifications.DEBUG = True
class A(luigi.Task):
x = luigi.IntParameter(default=3)
class B(luigi.util.Derived(A)):
y = luigi.IntParameter(default=4)
class A2(luigi.Task):
x = luigi.IntParameter(default=3)
g = luigi.IntParameter(is_global=True, default=42)
class B2(luigi.util.Derived(A2)):
pass
class UtilTest(unittest.TestCase):
def test_derived_extended(self):
b = B(1, 2)
self.assertEquals(b.x, 1)
self.assertEquals(b.y, 2)
a = A(1)
self.assertEquals(b.parent_obj, a)
def test_derived_extended_default(self):
b = B()
self.assertEquals(b.x, 3)
self.assertEquals(b.y, 4)
def test_derived_global_param(self):
# Had a bug with this
b = B2()
self.assertEquals(b.g, 42)