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community.general/tests/unit/plugins/modules/test_parted.py

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2020-03-09 10:11:07 +01:00
# (c) 2017 Red Hat Inc.
# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
# SPDX-License-Identifier: GPL-3.0-or-later
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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from ansible_collections.community.general.tests.unit.compat.mock import patch, call
from ansible_collections.community.general.plugins.modules import parted as parted_module
from ansible_collections.community.general.plugins.modules.parted import parse_parted_version
from ansible_collections.community.general.plugins.modules.parted import parse_partition_info
from ansible_collections.community.general.tests.unit.plugins.modules.utils import AnsibleExitJson, AnsibleFailJson, ModuleTestCase, set_module_args
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# Example of output : parted -s -m /dev/sdb -- unit 'MB' print
parted_output1 = """
BYT;
/dev/sdb:286061MB:scsi:512:512:msdos:ATA TOSHIBA THNSFJ25:;
1:1.05MB:106MB:105MB:fat32::esp;
2:106MB:368MB:262MB:ext2::;
3:368MB:256061MB:255692MB:::;"""
parted_version_info = {"""
parted (GNU parted) 3.3
Copyright (C) 2019 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Written by <http://git.debian.org/?p=parted/parted.git;a=blob_plain;f=AUTHORS>.
""": (3, 3, 0), """
parted (GNU parted) 3.4.5
Copyright (C) 2019 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Written by <http://git.debian.org/?p=parted/parted.git;a=blob_plain;f=AUTHORS>.
""": (3, 4, 5), """
parted (GNU parted) 3.3.14-dfc61
Copyright (C) 2019 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Written by <http://git.debian.org/?p=parted/parted.git;a=blob_plain;f=AUTHORS>.
""": (3, 3, 14)}
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# corresponding dictionary after parsing by parse_partition_info
parted_dict1 = {
"generic": {
"dev": "/dev/sdb",
"size": 286061.0,
"unit": "mb",
"table": "msdos",
"model": "ATA TOSHIBA THNSFJ25",
"logical_block": 512,
"physical_block": 512
},
"partitions": [{
"num": 1,
"begin": 1.05,
"end": 106.0,
"size": 105.0,
"fstype": "fat32",
"name": '',
"flags": ["esp"],
"unit": "mb"
}, {
"num": 2,
"begin": 106.0,
"end": 368.0,
"size": 262.0,
"fstype": "ext2",
"name": '',
"flags": [],
"unit": "mb"
}, {
"num": 3,
"begin": 368.0,
"end": 256061.0,
"size": 255692.0,
"fstype": "",
"name": '',
"flags": [],
"unit": "mb"
}]
}
parted_output2 = """
BYT;
/dev/sdb:286061MB:scsi:512:512:msdos:ATA TOSHIBA THNSFJ25:;"""
# corresponding dictionary after parsing by parse_partition_info
parted_dict2 = {
"generic": {
"dev": "/dev/sdb",
"size": 286061.0,
"unit": "mb",
"table": "msdos",
"model": "ATA TOSHIBA THNSFJ25",
"logical_block": 512,
"physical_block": 512
},
"partitions": []
}
# fake some_flag exists
parted_dict3 = {
"generic": {
"dev": "/dev/sdb",
"size": 286061.0,
"unit": "mb",
"table": "msdos",
"model": "ATA TOSHIBA THNSFJ25",
"logical_block": 512,
"physical_block": 512
},
"partitions": [{
"num": 1,
"begin": 1.05,
"end": 106.0,
"size": 105.0,
"fstype": "fat32",
"name": '',
"flags": ["some_flag"],
"unit": "mb"
}]
}
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class TestParted(ModuleTestCase):
def setUp(self):
super(TestParted, self).setUp()
self.module = parted_module
self.mock_check_parted_label = (patch('ansible_collections.community.general.plugins.modules.parted.check_parted_label', return_value=False))
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self.check_parted_label = self.mock_check_parted_label.start()
self.mock_parted = (patch('ansible_collections.community.general.plugins.modules.parted.parted'))
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self.parted = self.mock_parted.start()
self.mock_run_command = (patch('ansible.module_utils.basic.AnsibleModule.run_command'))
self.run_command = self.mock_run_command.start()
self.mock_get_bin_path = (patch('ansible.module_utils.basic.AnsibleModule.get_bin_path'))
self.get_bin_path = self.mock_get_bin_path.start()
def tearDown(self):
super(TestParted, self).tearDown()
self.mock_run_command.stop()
self.mock_get_bin_path.stop()
self.mock_parted.stop()
self.mock_check_parted_label.stop()
def execute_module(self, failed=False, changed=False, script=None):
if failed:
result = self.failed()
self.assertTrue(result['failed'], result)
else:
result = self.changed(changed)
self.assertEqual(result['changed'], changed, result)
if script:
self.assertEqual(script, result['script'], result['script'])
return result
def failed(self):
with self.assertRaises(AnsibleFailJson) as exc:
self.module.main()
result = exc.exception.args[0]
self.assertTrue(result['failed'], result)
return result
def changed(self, changed=False):
with self.assertRaises(AnsibleExitJson) as exc:
self.module.main()
result = exc.exception.args[0]
self.assertEqual(result['changed'], changed, result)
return result
def test_parse_partition_info(self):
"""Test that the parse_partition_info returns the expected dictionary"""
self.assertEqual(parse_partition_info(parted_output1, 'MB'), parted_dict1)
self.assertEqual(parse_partition_info(parted_output2, 'MB'), parted_dict2)
def test_partition_already_exists(self):
set_module_args({
'device': '/dev/sdb',
'number': 1,
'state': 'present',
})
with patch('ansible_collections.community.general.plugins.modules.parted.get_device_info', return_value=parted_dict1):
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self.execute_module(changed=False)
def test_create_new_partition(self):
set_module_args({
'device': '/dev/sdb',
'number': 4,
'state': 'present',
})
with patch('ansible_collections.community.general.plugins.modules.parted.get_device_info', return_value=parted_dict1):
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self.execute_module(changed=True, script='unit KiB mkpart primary 0% 100%')
def test_create_new_partition_1G(self):
set_module_args({
'device': '/dev/sdb',
'number': 4,
'state': 'present',
'part_end': '1GiB',
})
with patch('ansible_collections.community.general.plugins.modules.parted.get_device_info', return_value=parted_dict1):
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self.execute_module(changed=True, script='unit KiB mkpart primary 0% 1GiB')
def test_create_new_partition_minus_1G(self):
set_module_args({
'device': '/dev/sdb',
'number': 4,
'state': 'present',
'fs_type': 'ext2',
'part_start': '-1GiB',
})
with patch('ansible_collections.community.general.plugins.modules.parted.get_device_info', return_value=parted_dict1):
self.execute_module(changed=True, script='unit KiB mkpart primary ext2 -1GiB 100%')
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def test_remove_partition_number_1(self):
set_module_args({
'device': '/dev/sdb',
'number': 1,
'state': 'absent',
})
with patch('ansible_collections.community.general.plugins.modules.parted.get_device_info', return_value=parted_dict1):
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self.execute_module(changed=True, script='rm 1')
def test_resize_partition(self):
set_module_args({
'device': '/dev/sdb',
'number': 3,
'state': 'present',
'part_end': '100%',
'resize': True
})
with patch('ansible_collections.community.general.plugins.modules.parted.get_device_info', return_value=parted_dict1):
self.execute_module(changed=True, script='resizepart 3 100%')
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def test_change_flag(self):
# Flags are set in a second run of parted().
# Between the two runs, the partition dict is updated.
# use checkmode here allow us to continue even if the dictionary is
# not updated.
set_module_args({
'device': '/dev/sdb',
'number': 3,
'state': 'present',
'flags': ['lvm', 'boot'],
'_ansible_check_mode': True,
})
with patch('ansible_collections.community.general.plugins.modules.parted.get_device_info', return_value=parted_dict1):
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self.parted.reset_mock()
self.execute_module(changed=True)
# When using multiple flags:
# order of execution is non deterministic, because set() operations are used in
# the current implementation.
expected_calls_order1 = [call('unit KiB set 3 lvm on set 3 boot on ',
'/dev/sdb', 'optimal')]
expected_calls_order2 = [call('unit KiB set 3 boot on set 3 lvm on ',
'/dev/sdb', 'optimal')]
self.assertTrue(self.parted.mock_calls == expected_calls_order1 or
self.parted.mock_calls == expected_calls_order2)
def test_create_new_primary_lvm_partition(self):
# use check_mode, see previous test comment
set_module_args({
'device': '/dev/sdb',
'number': 4,
'flags': ["boot"],
'state': 'present',
'part_start': '257GiB',
'fs_type': 'ext3',
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'_ansible_check_mode': True,
})
with patch('ansible_collections.community.general.plugins.modules.parted.get_device_info', return_value=parted_dict1):
self.execute_module(changed=True, script='unit KiB mkpart primary ext3 257GiB 100% unit KiB set 4 boot on')
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def test_create_label_gpt(self):
# Like previous test, current implementation use parted to create the partition and
# then retrieve and update the dictionary. Use check_mode to force to continue even if
# dictionary is not updated.
set_module_args({
'device': '/dev/sdb',
'number': 1,
'flags': ["lvm"],
'label': 'gpt',
'name': 'lvmpartition',
'state': 'present',
'_ansible_check_mode': True,
})
with patch('ansible_collections.community.general.plugins.modules.parted.get_device_info', return_value=parted_dict2):
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self.execute_module(changed=True, script='unit KiB mklabel gpt mkpart primary 0% 100% unit KiB name 1 \'"lvmpartition"\' set 1 lvm on')
def test_change_label_gpt(self):
# When partitions already exists and label is changed, mkpart should be called even when partition already exists,
# because new empty label will be created anyway
set_module_args({
'device': '/dev/sdb',
'number': 1,
'state': 'present',
'label': 'gpt',
'_ansible_check_mode': True,
})
with patch('ansible_collections.community.general.plugins.modules.parted.get_device_info', return_value=parted_dict1):
self.execute_module(changed=True, script='unit KiB mklabel gpt mkpart primary 0% 100%')
def test_check_mode_unchanged(self):
# Test that get_device_info result is checked in check mode too
# No change on partition 1
set_module_args({
'device': '/dev/sdb',
'number': 1,
'state': 'present',
'flags': ['some_flag'],
'_ansible_check_mode': True,
})
with patch('ansible_collections.community.general.plugins.modules.parted.get_device_info', return_value=parted_dict3):
self.execute_module(changed=False)
def test_check_mode_changed(self):
# Test that get_device_info result is checked in check mode too
# Flag change on partition 1
set_module_args({
'device': '/dev/sdb',
'number': 1,
'state': 'present',
'flags': ['other_flag'],
'_ansible_check_mode': True,
})
with patch('ansible_collections.community.general.plugins.modules.parted.get_device_info', return_value=parted_dict3):
self.execute_module(changed=True)
def test_version_info(self):
"""Test that the parse_parted_version returns the expected tuple"""
for key, value in parted_version_info.items():
self.assertEqual(parse_parted_version(key), value)