203 lines
9.2 KiB
Python
203 lines
9.2 KiB
Python
# Copyright 2014 Red Hat, Inc.
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# All Rights Reserved.
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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 unittest import mock
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from ironic_lib import exception
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from ironic_lib.tests import base
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from ironic_lib import utils
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from ironic_python_agent import disk_partitioner
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CONF = disk_partitioner.CONF
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class DiskPartitionerTestCase(base.IronicLibTestCase):
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def test_add_partition(self):
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dp = disk_partitioner.DiskPartitioner('/dev/fake')
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dp.add_partition(1024)
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dp.add_partition(512, fs_type='linux-swap')
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dp.add_partition(2048, boot_flag='boot')
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dp.add_partition(2048, boot_flag='bios_grub')
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expected = [(1, {'boot_flag': None,
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'extra_flags': None,
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'fs_type': '',
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'type': 'primary',
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'size': 1024}),
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(2, {'boot_flag': None,
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'extra_flags': None,
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'fs_type': 'linux-swap',
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'type': 'primary',
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'size': 512}),
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(3, {'boot_flag': 'boot',
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'extra_flags': None,
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'fs_type': '',
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'type': 'primary',
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'size': 2048}),
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(4, {'boot_flag': 'bios_grub',
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'extra_flags': None,
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'fs_type': '',
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'type': 'primary',
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'size': 2048})]
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partitions = [(n, p) for n, p in dp.get_partitions()]
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self.assertEqual(4, len(partitions))
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self.assertEqual(expected, partitions)
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@mock.patch.object(disk_partitioner.DiskPartitioner, '_exec',
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autospec=True)
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@mock.patch.object(utils, 'execute', autospec=True)
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def test_commit(self, mock_utils_exc, mock_disk_partitioner_exec):
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dp = disk_partitioner.DiskPartitioner('/dev/fake')
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fake_parts = [(1, {'boot_flag': None,
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'extra_flags': None,
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'fs_type': 'fake-fs-type',
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'type': 'fake-type',
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'size': 1}),
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(2, {'boot_flag': 'boot',
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'extra_flags': None,
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'fs_type': 'fake-fs-type',
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'type': 'fake-type',
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'size': 1}),
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(3, {'boot_flag': 'bios_grub',
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'extra_flags': None,
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'fs_type': 'fake-fs-type',
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'type': 'fake-type',
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'size': 1}),
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(4, {'boot_flag': 'boot',
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'extra_flags': ['prep', 'fake-flag'],
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'fs_type': 'fake-fs-type',
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'type': 'fake-type',
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'size': 1})]
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with mock.patch.object(dp, 'get_partitions', autospec=True) as mock_gp:
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mock_gp.return_value = fake_parts
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mock_utils_exc.return_value = ('', '')
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dp.commit()
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mock_disk_partitioner_exec.assert_called_once_with(
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mock.ANY, 'mklabel', 'msdos',
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'mkpart', 'fake-type', 'fake-fs-type', '1', '2',
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'mkpart', 'fake-type', 'fake-fs-type', '2', '3',
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'set', '2', 'boot', 'on',
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'mkpart', 'fake-type', 'fake-fs-type', '3', '4',
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'set', '3', 'bios_grub', 'on',
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'mkpart', 'fake-type', 'fake-fs-type', '4', '5',
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'set', '4', 'boot', 'on', 'set', '4', 'prep', 'on',
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'set', '4', 'fake-flag', 'on')
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mock_utils_exc.assert_called_once_with(
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'fuser', '/dev/fake', check_exit_code=[0, 1])
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@mock.patch.object(disk_partitioner.DiskPartitioner, '_exec',
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autospec=True)
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@mock.patch.object(utils, 'execute', autospec=True)
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def test_commit_with_device_is_busy_once(self, mock_utils_exc,
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mock_disk_partitioner_exec):
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CONF.set_override('check_device_interval', 0, group='disk_partitioner')
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dp = disk_partitioner.DiskPartitioner('/dev/fake')
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fake_parts = [(1, {'boot_flag': None,
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'extra_flags': None,
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'fs_type': 'fake-fs-type',
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'type': 'fake-type',
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'size': 1}),
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(2, {'boot_flag': 'boot',
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'extra_flags': None,
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'fs_type': 'fake-fs-type',
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'type': 'fake-type',
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'size': 1})]
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# Test as if the 'psmisc' version of 'fuser' which has stderr output
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fuser_outputs = iter([(" 10000 10001", '/dev/fake:\n'), ('', '')])
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with mock.patch.object(dp, 'get_partitions', autospec=True) as mock_gp:
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mock_gp.return_value = fake_parts
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mock_utils_exc.side_effect = fuser_outputs
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dp.commit()
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mock_disk_partitioner_exec.assert_called_once_with(
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mock.ANY, 'mklabel', 'msdos',
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'mkpart', 'fake-type', 'fake-fs-type', '1', '2',
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'mkpart', 'fake-type', 'fake-fs-type', '2', '3',
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'set', '2', 'boot', 'on')
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mock_utils_exc.assert_called_with(
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'fuser', '/dev/fake', check_exit_code=[0, 1])
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self.assertEqual(2, mock_utils_exc.call_count)
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@mock.patch.object(disk_partitioner.DiskPartitioner, '_exec',
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autospec=True)
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@mock.patch.object(utils, 'execute', autospec=True)
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def test_commit_with_device_is_always_busy(self, mock_utils_exc,
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mock_disk_partitioner_exec):
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CONF.set_override('check_device_interval', 0, group='disk_partitioner')
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dp = disk_partitioner.DiskPartitioner('/dev/fake')
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fake_parts = [(1, {'boot_flag': None,
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'extra_flags': None,
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'fs_type': 'fake-fs-type',
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'type': 'fake-type',
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'size': 1}),
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(2, {'boot_flag': 'boot',
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'extra_flags': None,
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'fs_type': 'fake-fs-type',
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'type': 'fake-type',
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'size': 1})]
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with mock.patch.object(dp, 'get_partitions', autospec=True) as mock_gp:
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mock_gp.return_value = fake_parts
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# Test as if the 'busybox' version of 'fuser' which does not have
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# stderr output
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mock_utils_exc.return_value = ("10000 10001", '')
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self.assertRaises(exception.InstanceDeployFailure, dp.commit)
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mock_disk_partitioner_exec.assert_called_once_with(
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mock.ANY, 'mklabel', 'msdos',
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'mkpart', 'fake-type', 'fake-fs-type', '1', '2',
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'mkpart', 'fake-type', 'fake-fs-type', '2', '3',
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'set', '2', 'boot', 'on')
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mock_utils_exc.assert_called_with(
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'fuser', '/dev/fake', check_exit_code=[0, 1])
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self.assertEqual(20, mock_utils_exc.call_count)
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@mock.patch.object(disk_partitioner.DiskPartitioner, '_exec',
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autospec=True)
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@mock.patch.object(utils, 'execute', autospec=True)
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def test_commit_with_device_disconnected(self, mock_utils_exc,
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mock_disk_partitioner_exec):
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CONF.set_override('check_device_interval', 0, group='disk_partitioner')
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dp = disk_partitioner.DiskPartitioner('/dev/fake')
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fake_parts = [(1, {'boot_flag': None,
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'extra_flags': None,
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'fs_type': 'fake-fs-type',
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'type': 'fake-type',
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'size': 1}),
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(2, {'boot_flag': 'boot',
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'extra_flags': None,
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'fs_type': 'fake-fs-type',
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'type': 'fake-type',
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'size': 1})]
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with mock.patch.object(dp, 'get_partitions', autospec=True) as mock_gp:
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mock_gp.return_value = fake_parts
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mock_utils_exc.return_value = ('', "Specified filename /dev/fake"
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" does not exist.")
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self.assertRaises(exception.InstanceDeployFailure, dp.commit)
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mock_disk_partitioner_exec.assert_called_once_with(
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mock.ANY, 'mklabel', 'msdos',
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'mkpart', 'fake-type', 'fake-fs-type', '1', '2',
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'mkpart', 'fake-type', 'fake-fs-type', '2', '3',
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'set', '2', 'boot', 'on')
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mock_utils_exc.assert_called_with(
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'fuser', '/dev/fake', check_exit_code=[0, 1])
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self.assertEqual(20, mock_utils_exc.call_count)
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