79 lines
3.0 KiB
Python
79 lines
3.0 KiB
Python
# Copyright 2018 Red Hat, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from nova import context
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from nova import exception_wrapper
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from nova import test
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from nova.tests.unit import fake_notifier
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class FakeVersionedNotifierTestCase(test.NoDBTestCase):
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def setUp(self):
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super(FakeVersionedNotifierTestCase, self).setUp()
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fake_notifier.stub_notifier(self)
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self.addCleanup(fake_notifier.reset)
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self.context = context.RequestContext()
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@exception_wrapper.wrap_exception(service='compute', binary='nova-compute')
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def _raise_exception(self, context):
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raise test.TestingException
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def _generate_exception_notification(self):
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self.assertRaises(test.TestingException, self._raise_exception,
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self.context)
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def test_wait_for_versioned_notifications(self):
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# Wait for a single notification which we emitted first
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self._generate_exception_notification()
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notifications = fake_notifier.wait_for_versioned_notifications(
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'compute.exception')
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self.assertEqual(1, len(notifications))
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def test_wait_for_versioned_notifications_fail(self):
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# Wait for a single notification which is never sent
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self.assertRaises(
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AssertionError,
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fake_notifier.wait_for_versioned_notifications,
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'compute.exception', timeout=0.1)
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def test_wait_for_versioned_notifications_n(self):
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# Wait for 2 notifications which we emitted first
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self._generate_exception_notification()
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self._generate_exception_notification()
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notifications = fake_notifier.wait_for_versioned_notifications(
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'compute.exception', 2)
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self.assertEqual(2, len(notifications))
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def test_wait_for_versioned_notifications_n_fail(self):
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# Wait for 2 notifications when we only emitted one
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self._generate_exception_notification()
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self.assertRaises(
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AssertionError,
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fake_notifier.wait_for_versioned_notifications,
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'compute.exception', 2, timeout=0.1)
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def test_wait_for_versioned_notifications_too_many(self):
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# Wait for a single notification when there are 2 in the queue
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self._generate_exception_notification()
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self._generate_exception_notification()
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notifications = fake_notifier.wait_for_versioned_notifications(
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'compute.exception')
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self.assertEqual(2, len(notifications))
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