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path: root/tempest_lib/tests/common/utils/test_misc.py
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# Copyright 2014 NEC 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.


from tempest_lib.common.utils import misc
from tempest_lib.tests import base


@misc.singleton
class TestFoo(object):

    count = 0

    def increment(self):
        self.count += 1
        return self.count


@misc.singleton
class TestBar(object):

    count = 0

    def increment(self):
        self.count += 1
        return self.count


class TestMisc(base.TestCase):

    def test_singleton(self):
        test = TestFoo()
        self.assertEqual(0, test.count)
        self.assertEqual(1, test.increment())
        test2 = TestFoo()
        self.assertEqual(1, test.count)
        self.assertEqual(1, test2.count)
        self.assertEqual(test, test2)
        test3 = TestBar()
        self.assertNotEqual(test, test3)

    def test_find_test_caller_test_case(self):
        # Calling it from here should give us the method we're in.
        self.assertEqual('TestMisc:test_find_test_caller_test_case',
                         misc.find_test_caller())

    def test_find_test_caller_setup_self(self):
        def setUp(self):
            return misc.find_test_caller()
        self.assertEqual('TestMisc:setUp', setUp(self))

    def test_find_test_caller_setup_no_self(self):
        def setUp():
            return misc.find_test_caller()
        self.assertEqual(':setUp', setUp())

    def test_find_test_caller_setupclass_cls(self):
        def setUpClass(cls):  # noqa
            return misc.find_test_caller()
        self.assertEqual('TestMisc:setUpClass', setUpClass(self.__class__))

    def test_find_test_caller_teardown_self(self):
        def tearDown(self):
            return misc.find_test_caller()
        self.assertEqual('TestMisc:tearDown', tearDown(self))

    def test_find_test_caller_teardown_no_self(self):
        def tearDown():
            return misc.find_test_caller()
        self.assertEqual(':tearDown', tearDown())

    def test_find_test_caller_teardown_class(self):
        def tearDownClass(cls):  # noqa
            return misc.find_test_caller()
        self.assertEqual('TestMisc:tearDownClass',
                         tearDownClass(self.__class__))