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##############################################################################
# Copyright (c) 2015 Ericsson AB and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
# Unittest for yardstick.common.utils
import os
import mock
import unittest
from yardstick.common import utils
class IterSubclassesTestCase(unittest.TestCase):
# Disclaimer: this class is a modified copy from
# rally/tests/unit/common/plugin/test_discover.py
# Copyright 2015: Mirantis Inc.
def test_itersubclasses(self):
class A(object):
pass
class B(A):
pass
class C(A):
pass
class D(C):
pass
self.assertEqual([B, C, D], list(utils.itersubclasses(A)))
class TryAppendModuleTestCase(unittest.TestCase):
@mock.patch('yardstick.common.utils.importutils')
def test_try_append_module_not_in_modules(self, mock_importutils):
modules = {}
name = 'foo'
utils.try_append_module(name, modules)
mock_importutils.import_module.assert_called_with(name)
@mock.patch('yardstick.common.utils.importutils')
def test_try_append_module_already_in_modules(self, mock_importutils):
modules = {'foo'}
name = 'foo'
utils.try_append_module(name, modules)
self.assertFalse(mock_importutils.import_module.called)
class ImportModulesFromPackageTestCase(unittest.TestCase):
@mock.patch('yardstick.common.utils.os.walk')
@mock.patch('yardstick.common.utils.try_append_module')
def test_import_modules_from_package_no_mod(self, mock_append, mock_walk):
sep = os.sep
mock_walk.return_value = ([
('..' + sep + 'foo', ['bar'], ['__init__.py']),
('..' + sep + 'foo' + sep + 'bar', [], ['baz.txt', 'qux.rst'])
])
utils.import_modules_from_package('foo.bar')
self.assertFalse(mock_append.called)
@mock.patch('yardstick.common.utils.os.walk')
@mock.patch('yardstick.common.utils.importutils')
def test_import_modules_from_package(self, mock_importutils, mock_walk):
sep = os.sep
mock_walk.return_value = ([
('foo' + sep + '..' + sep + 'bar', [], ['baz.py'])
])
utils.import_modules_from_package('foo.bar')
mock_importutils.import_module.assert_called_with('bar.baz')
def main():
unittest.main()
if __name__ == '__main__':
main()
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