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#!/usr/bin/python3
import os
import sys
import unittest
from unittest import mock
class MockLibnvmeTestCase(unittest.TestCase):
'''Testing defs.py by mocking the libnvme package'''
def test_libnvme_version(self):
# For unknown reasons, this test does
# not work when run from GitHub Actions.
if not os.getenv('GITHUB_ACTIONS'):
from staslib import defs
libnvme_ver = defs.LIBNVME_VERSION
self.assertEqual(libnvme_ver, '?.?')
@classmethod
def setUpClass(cls): # called once before all the tests
# define what to patch sys.modules with
cls._modules_patcher = mock.patch.dict(sys.modules, {'libnvme': mock.Mock()})
# actually patch it
cls._modules_patcher.start()
# make the package globally visible and import it,
# just like if you have imported it in a usual way
# placing import statement at the top of the file,
# but relying on a patched dependency
global libnvme
import libnvme
@classmethod # called once after all tests
def tearDownClass(cls):
# restore initial sys.modules state back
cls._modules_patcher.stop()
class RealLibnvmeUnitTest(unittest.TestCase):
'''Testing defs.py with the real libnvme package'''
def test_libnvme_version(self):
try:
# We can't proceed with this test if the
# module libnvme is not installed.
import libnvme
except ModuleNotFoundError:
return
from staslib import defs
libnvme_ver = defs.LIBNVME_VERSION
self.assertNotEqual(libnvme_ver, '?.?')
if __name__ == '__main__':
unittest.main()
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