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path: root/tempest_lib/tests/test_decorators.py
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# Copyright 2013 IBM Corp
# Copyright 2015 Hewlett-Packard Development Company, L.P.
#
#    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.

import testtools

from tempest_lib import base as test
from tempest_lib import decorators
from tempest_lib.tests import base


class TestSkipBecauseDecorator(base.TestCase):
    def _test_skip_because_helper(self, expected_to_skip=True,
                                  **decorator_args):
        class TestFoo(test.BaseTestCase):
            _interface = 'json'

            @decorators.skip_because(**decorator_args)
            def test_bar(self):
                return 0

        t = TestFoo('test_bar')
        if expected_to_skip:
            self.assertRaises(testtools.TestCase.skipException, t.test_bar)
        else:
            # assert that test_bar returned 0
            self.assertEqual(TestFoo('test_bar').test_bar(), 0)

    def test_skip_because_bug(self):
        self._test_skip_because_helper(bug='12345')

    def test_skip_because_bug_and_condition_true(self):
        self._test_skip_because_helper(bug='12348', condition=True)

    def test_skip_because_bug_and_condition_false(self):
        self._test_skip_because_helper(expected_to_skip=False,
                                       bug='12349', condition=False)

    def test_skip_because_bug_without_bug_never_skips(self):
        """Never skip without a bug parameter."""
        self._test_skip_because_helper(expected_to_skip=False,
                                       condition=True)
        self._test_skip_because_helper(expected_to_skip=False)

    def test_skip_because_invalid_bug_number(self):
        """Raise ValueError if with an invalid bug number"""
        self.assertRaises(ValueError, self._test_skip_because_helper,
                          bug='critical_bug')