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test_label.py
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test_label.py
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# Copyright (c) 2018, NVIDIA CORPORATION. All rights reserved.
#
# 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.
# pylint: disable=invalid-name, too-few-public-methods, bad-continuation
"""Test cases for the label module"""
from __future__ import unicode_literals
from __future__ import print_function
import logging # pylint: disable=unused-import
import unittest
from helpers import bash, docker, invalid_ctype, singularity
from hpccm.primitives.label import label
class Test_label(unittest.TestCase):
def setUp(self):
"""Disable logging output messages"""
logging.disable(logging.ERROR)
@docker
def test_empty(self):
"""No label specified"""
l = label()
self.assertEqual(str(l), '')
@invalid_ctype
def test_invalid_ctype(self):
"""Invalid container type specified"""
l = label(metadata={'A': 'B'})
with self.assertRaises(RuntimeError):
str(l)
@docker
def test_single_docker(self):
"""Single label specified"""
l = label(metadata={'A': 'B'})
self.assertEqual(str(l), 'LABEL A=B')
@singularity
def test_single_singularity(self):
"""Single label specified"""
l = label(metadata={'A': 'B'})
self.assertEqual(str(l), '%labels\n A B')
@bash
def test_single_bash(self):
"""Single label specified"""
l = label(metadata={'A': 'B'})
self.assertEqual(str(l), '')
@docker
def test_multiple_docker(self):
"""Multiple labels specified"""
l = label(metadata={'ONE': 1, 'TWO': 2, 'THREE': 3})
self.assertEqual(str(l),
'''LABEL ONE=1 \\
THREE=3 \\
TWO=2''')
@singularity
def test_multiple_singularity(self):
"""Multiple labels specified"""
l = label(metadata={'ONE': 1, 'TWO': 2, 'THREE': 3})
self.assertEqual(str(l),
'''%labels
ONE 1
THREE 3
TWO 2''')
@singularity
def test_applabel_multiple_singularity(self):
"""Multiple app-specific labels specified"""
l = label(metadata={'ONE': 1, 'TWO': 2, 'THREE': 3}, _app='foo')
self.assertEqual(str(l),
'''%applabels foo
ONE 1
THREE 3
TWO 2''')
@docker
def test_applabels_docker(self):
"""applabels not implemented in Docker"""
l = label(metadata={'ONE': 1, 'TWO': 2, 'THREE': 3}, _app='foo')
self.assertEqual(str(l),
'''LABEL ONE=1 \\
THREE=3 \\
TWO=2''')
@docker
def test_merge_docker(self):
"""merge primitives"""
l = []
l.append(label(metadata={'ONE': 1, 'TWO': 2}))
l.append(label(metadata={'THREE': 3}))
merged = l[0].merge(l)
self.assertEqual(str(merged),
'''LABEL ONE=1 \\
THREE=3 \\
TWO=2''')
l.append(label(metadata={'ONE': 'uno'}))
key_overwrite = l[0].merge(l)
self.assertEqual(str(key_overwrite),
'''LABEL ONE=uno \\
THREE=3 \\
TWO=2''')
@singularity
def test_merge_singularity(self):
"""merge primitives"""
l = []
l.append(label(metadata={'ONE': 1, 'TWO': 2}))
l.append(label(metadata={'THREE': 3}))
merged = l[0].merge(l)
self.assertEqual(str(merged),
'''%labels
ONE 1
THREE 3
TWO 2''')
l.append(label(metadata={'ONE': 'uno'}))
key_overwrite = l[0].merge(l)
self.assertEqual(str(key_overwrite),
'''%labels
ONE uno
THREE 3
TWO 2''')