41 lines
1.5 KiB
Python
41 lines
1.5 KiB
Python
# Copyright 2015 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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import eventlet
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import testtools
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from neutron.agent.linux import async_process
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from neutron.agent.linux import utils
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from neutron.tests.functional.agent.linux import test_async_process
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class TestPIDHelpers(test_async_process.AsyncProcessTestFramework):
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def test_get_cmdline_from_pid_and_pid_invoked_with_cmdline(self):
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cmd = ['tail', '-f', self.test_file_path]
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proc = async_process.AsyncProcess(cmd)
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proc.start(block=True)
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self.addCleanup(proc.stop)
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pid = proc.pid
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self.assertEqual(cmd, utils.get_cmdline_from_pid(pid))
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self.assertTrue(utils.pid_invoked_with_cmdline(pid, cmd))
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self.assertEqual([], utils.get_cmdline_from_pid(-1))
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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(eventlet.timeout.Timeout):
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utils.wait_until_true(lambda: False, 2)
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