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# Copyright 2019 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import unittest
from py_utils import modules_util
class FakeModule(object):
def __init__(self, name, version):
self.__name__ = name
self.__version__ = version
class ModulesUitlTest(unittest.TestCase):
def testRequireVersion_valid(self):
numpy = FakeModule('numpy', '2.3')
try:
modules_util.RequireVersion(numpy, '1.0')
except ImportError:
self.fail('ImportError raised unexpectedly')
def testRequireVersion_versionTooLow(self):
numpy = FakeModule('numpy', '2.3')
with self.assertRaises(ImportError) as error:
modules_util.RequireVersion(numpy, '2.5')
self.assertEqual(
str(error.exception),
'numpy has version 2.3, but version 2.5 or higher is required')
def testRequireVersion_versionTooHigh(self):
numpy = FakeModule('numpy', '2.3')
with self.assertRaises(ImportError) as error:
modules_util.RequireVersion(numpy, '1.0', '2.0')
self.assertEqual(
str(error.exception), 'numpy has version 2.3, but version'
' at or above 1.0 and below 2.0 is required')
if __name__ == '__main__':
unittest.main()
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