40 lines
1.4 KiB
Python
40 lines
1.4 KiB
Python
# 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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import testtools
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import eventlet
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from neutron.common import utils
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from neutron.tests import base
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class TestWaitUntilTrue(base.BaseTestCase):
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def test_wait_until_true_predicate_succeeds(self):
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utils.wait_until_true(lambda: True)
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def test_wait_until_true_predicate_fails(self):
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with testtools.ExpectedException(utils.WaitTimeout):
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utils.wait_until_true(lambda: False, 2)
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def test_wait_until_true_predicate_fails_compatibility_test(self):
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"""This test makes sure that eventlet.TimeoutError can still be caught.
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"""
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try:
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utils.wait_until_true(lambda: False, 2)
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except eventlet.TimeoutError:
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return
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except Exception:
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pass
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self.fail('wait_until_true() does not raise eventlet.TimeoutError '
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'compatible exception by default.')
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