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from unittest.mock import (
patch, Mock
)
from pytest import raises
from kiwi.defaults import Defaults
from kiwi.storage.subformat.base import DiskFormatBase
import kiwi
from kiwi.exceptions import (
KiwiFormatSetupError,
KiwiResizeRawDiskError
)
class TestDiskFormatBase:
@patch('kiwi.storage.subformat.base.DiskFormatBase.post_init')
def setup(self, mock_post_init):
Defaults.set_platform_name('x86_64')
xml_data = Mock()
xml_data.get_name = Mock(
return_value='some-disk-image'
)
self.xml_state = Mock()
self.xml_state.xml_data = xml_data
self.xml_state.get_image_version = Mock(
return_value='1.2.3'
)
self.xml_state.get_luks_credentials = Mock(
return_value=None
)
self.runtime_config = Mock()
self.runtime_config.get_bundle_compression.return_value = True
kiwi.storage.subformat.base.RuntimeConfig = Mock(
return_value=self.runtime_config
)
DiskFormatBase(
self.xml_state, 'root_dir', 'target_dir', {'option': 'unhandled'}
)
mock_post_init.assert_called_once_with({'option': 'unhandled'})
mock_post_init.reset_mock()
self.disk_format = DiskFormatBase(
self.xml_state, 'root_dir', 'target_dir'
)
mock_post_init.assert_called_once_with({})
@patch('kiwi.storage.subformat.base.DiskFormatBase.post_init')
def setup_method(self, cls, mock_post_init):
self.setup()
def test_create_image_format(self):
with raises(NotImplementedError):
self.disk_format.create_image_format()
def test_get_target_file_path_for_format_invalid_format(self):
with raises(KiwiFormatSetupError):
self.disk_format.get_target_file_path_for_format('foo')
def test_post_init(self):
# in the base class this method just pass
self.disk_format.post_init({})
def test_get_qemu_option_list(self):
custom_args = {
'subformat=format': None,
'adapter_type=type': None
}
assert self.disk_format.get_qemu_option_list(custom_args) == [
'-o', 'adapter_type=type', '-o', 'subformat=format'
]
def test_get_target_file_path_for_format(self):
assert self.disk_format.get_target_file_path_for_format('vhd') == \
'target_dir/some-disk-image.x86_64-1.2.3.vhd'
def test_store_to_result_default(self):
result = Mock()
self.disk_format.image_format = 'qcow2'
self.disk_format.store_to_result(result)
result.add.assert_called_once_with(
compress=True,
filename='target_dir/some-disk-image.x86_64-1.2.3.qcow2',
key='disk_format_image',
shasum=True,
use_for_bundle=True
)
def test_store_to_result_with_luks(self):
result = Mock()
self.xml_state.get_luks_credentials = Mock(return_value='foo')
self.disk_format.image_format = 'qcow2'
self.disk_format.store_to_result(result)
result.add.assert_called_once_with(
compress=False,
filename='target_dir/some-disk-image.x86_64-1.2.3.qcow2',
key='disk_format_image',
shasum=True,
use_for_bundle=True
)
self.xml_state.get_luks_credentials = Mock(return_value=None)
@patch('os.path.getsize')
def test_resize_raw_disk_raises_on_shrink_disk(self, mock_getsize):
mock_getsize.return_value = 42
with raises(KiwiResizeRawDiskError):
self.disk_format.resize_raw_disk(10)
@patch('os.path.getsize')
@patch('kiwi.storage.subformat.base.Command.run')
def test_resize_raw_disk(self, mock_command, mock_getsize):
mock_getsize.return_value = 42
assert self.disk_format.resize_raw_disk(1024) is True
mock_command.assert_called_once_with(
[
'qemu-img', 'resize',
'target_dir/some-disk-image.x86_64-1.2.3.raw', '1024'
]
)
@patch('os.path.getsize')
@patch('kiwi.storage.subformat.base.Command.run')
def test_resize_raw_disk_append(self, mock_command, mock_getsize):
mock_getsize.return_value = 42
assert self.disk_format.resize_raw_disk(1024, append=True) is True
mock_command.assert_called_once_with(
[
'qemu-img', 'resize',
'target_dir/some-disk-image.x86_64-1.2.3.raw', '+1024'
]
)
@patch('os.path.getsize')
def test_resize_raw_disk_same_size(self, mock_getsize):
mock_getsize.return_value = 42
assert self.disk_format.resize_raw_disk(42) is False
@patch('os.path.exists')
def test_has_raw_disk(self, mock_exists):
mock_exists.return_value = True
assert self.disk_format.has_raw_disk() is True
mock_exists.assert_called_once_with(
'target_dir/some-disk-image.x86_64-1.2.3.raw'
)
@patch('kiwi.storage.subformat.base.Path.wipe')
@patch('os.path.exists')
def test_context_manager_exit(self, mock_exists, mock_wipe):
mock_exists.return_value = True
with DiskFormatBase(
self.xml_state, 'root_dir', 'target_dir'
) as disk_format:
disk_format.temp_image_dir = 'tmpdir'
mock_wipe.assert_called_once_with('tmpdir')
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