Merge "Implement docker module unit tests"
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Zuul
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tobiko/tests/unit/docker/__init__.py
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tobiko/tests/unit/docker/__init__.py
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tobiko/tests/unit/docker/test_shell.py
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tobiko/tests/unit/docker/test_shell.py
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# Copyright 2018 Red Hat
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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 __future__ import absolute_import
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import mock
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from tobiko import docker
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from tobiko.tests import unit
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# This class help us to emulate tobiko.shell.sh.execute
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# to simulate errors or not and test the tobiko.docker._shell module
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class FakeProcess:
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exit_status = 0
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stdout = ''
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stderr = ''
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class TestShell(unit.TobikoUnitTest):
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def setUp(self):
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super(TestShell, self).setUp()
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self.fproc = FakeProcess()
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@mock.patch('tobiko.shell.sh.execute')
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def test_discover_docker_urls_single(self, mock_execute):
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self.fproc.exit_status = 0
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self.fproc.stdout = 'root 1999 0.0 0.2 1456736 85272 ?' \
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'Ssl 15:16 0:01 /usr/bin/dockerd -H fd:// ' \
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'--containerd=/run/containerd/containerd.sock'
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self.fproc.stderr = ''
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mock_execute.return_value = self.fproc
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self.assertEqual(docker.discover_docker_urls(), ['fd://'])
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@mock.patch('tobiko.shell.sh.execute')
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def test_discover_docker_urls_multiple(self, mock_execute):
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self.fproc.exit_status = 0
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self.fproc.stdout = 'root 1999 0.0 0.2 1456736 85272 ?' \
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'Ssl 15:16 0:01 /usr/bin/dockerd -H fd:// ' \
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'-H fd:// ' \
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'--containerd=/run/containerd/containerd.sock'
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self.fproc.stderr = ''
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mock_execute.return_value = self.fproc
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self.assertEqual(docker.discover_docker_urls(), ['fd://', 'fd://'])
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@mock.patch('tobiko.shell.sh.execute')
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def test_discover_docker_urls_separated(self, mock_execute):
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self.fproc.exit_status = 0
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self.fproc.stdout = 'root 1999 0.0 0.2 1456736 85272 ?' \
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'Ssl 15:16 0:01 /usr/bin/dockerd -H fd:// ' \
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'--containerd=/run/containerd/containerd.sock ' \
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'-H boom'
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self.fproc.stderr = ''
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mock_execute.return_value = self.fproc
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self.assertEqual(docker.discover_docker_urls(), ['fd://', 'boom'])
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@mock.patch('tobiko.shell.sh.execute')
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def test_discover_docker_urls_many_daemons(self, mock_execute):
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self.fproc.exit_status = 0
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self.fproc.stdout = 'root 1999 0.0 0.2 1456736 85272 ?' \
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'Ssl 15:16 0:01 /usr/bin/dockerd ' \
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'-H fd:// -H boom ' \
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'--containerd=/run/containerd/containerd.sock\n' \
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'root 1999 0.0 0.2 1456736 85272 ?' \
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'Ssl 15:16 0:01 /usr/bin/dockerd -H foo ' \
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'--containerd=/run/containerd/containerd.sock ' \
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'-H bar'
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self.fproc.stderr = ''
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mock_execute.return_value = self.fproc
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self.assertEqual(docker.discover_docker_urls(),
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['fd://', 'boom', 'foo', 'bar'])
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@mock.patch('tobiko.shell.sh.execute')
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def test_discover_docker_urls_no_daemons(self, mock_execute):
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self.fproc.exit_status = 0
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self.fproc.stdout = ''
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self.fproc.stderr = ''
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mock_execute.return_value = self.fproc
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self.assertRaises(docker.DockerUrlNotFoundError,
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docker.discover_docker_urls)
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@mock.patch('tobiko.shell.sh.execute')
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def test_is_docker_running(self, mock_execute):
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self.fproc.exit_status = 0
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self.fproc.stdout = 'root 1999 0.0 0.2 1456736 85272 ?' \
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'Ssl 15:16 0:01 /usr/bin/dockerd ' \
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'-H fd:// -H boom ' \
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'--containerd=/run/containerd/containerd.sock\n' \
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'root 1999 0.0 0.2 1456736 85272 ?' \
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'Ssl 15:16 0:01 /usr/bin/dockerd -H foo ' \
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'--containerd=/run/containerd/containerd.sock ' \
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'-H bar'
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self.fproc.stderr = ''
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mock_execute.return_value = self.fproc
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self.assertEqual(docker.is_docker_running(), True)
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@mock.patch('tobiko.shell.sh.execute')
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def test_is_docker_running_without_results(self, mock_execute):
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self.fproc.exit_status = 0
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self.fproc.stdout = ''
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self.fproc.stderr = ''
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mock_execute.return_value = self.fproc
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self.assertEqual(docker.is_docker_running(), False)
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@mock.patch('tobiko.shell.sh.execute')
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def test_is_docker_running_exit_1(self, mock_execute):
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self.fproc.exit_status = 1
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self.fproc.stdout = 'root 1999 0.0 0.2 1456736 85272 ?' \
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'Ssl 15:16 0:01 /usr/bin/dockerd ' \
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'-H fd:// -H boom ' \
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'--containerd=/run/containerd/containerd.sock\n' \
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'root 1999 0.0 0.2 1456736 85272 ?' \
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'Ssl 15:16 0:01 /usr/bin/dockerd -H foo ' \
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'--containerd=/run/containerd/containerd.sock ' \
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'-H bar'
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self.fproc.stderr = ''
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mock_execute.return_value = self.fproc
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self.assertEqual(docker.is_docker_running(), False)
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@mock.patch('tobiko.shell.sh.execute')
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def test_is_docker_running_error_exist_but_exit_0(self, mock_execute):
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self.fproc.exit_status = 0
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self.fproc.stdout = ''
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self.fproc.stderr = 'boom'
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mock_execute.return_value = self.fproc
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self.assertEqual(docker.is_docker_running(), False)
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