41875f57ea
Add new attribute delta_root="true|false" which in combination with derived_from="OCI-base-image" allows to create a delta root tree only containing the differences between the OCI-base-image and the actions taken by the kiwi prepare step. Based on the delta root tree the subsequent image creation process starts. Such an incomplete root tree is only useful under certain circumstances which is also the reason why the feature is only available to the oci and docker image types.
338 lines
11 KiB
Python
338 lines
11 KiB
Python
from mock import (
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patch, call, mock_open
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)
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from pytest import raises
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import mock
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import kiwi
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from kiwi.defaults import Defaults
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from kiwi.builder.container import ContainerBuilder
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from kiwi.exceptions import KiwiContainerBuilderError
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class TestContainerBuilder:
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@patch('os.path.exists')
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def setup(self, mock_exists):
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Defaults.set_platform_name('x86_64')
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self.runtime_config = mock.Mock()
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self.runtime_config.get_max_size_constraint = mock.Mock(
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return_value=None
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)
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self.runtime_config.get_container_compression = mock.Mock(
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return_value=False
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)
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kiwi.builder.container.RuntimeConfig = mock.Mock(
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return_value=self.runtime_config
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)
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self.xml_state = mock.Mock()
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self.xml_state.get_derived_from_image_uri.return_value = mock.Mock()
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self.container_config = {
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'container_name': 'my-container',
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'entry_command': ["--config.cmd='/bin/bash'"]
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}
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self.xml_state.get_container_config = mock.Mock(
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return_value=self.container_config
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)
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self.xml_state.get_image_version = mock.Mock(
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return_value='1.2.3'
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)
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self.xml_state.get_build_type_name = mock.Mock(
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return_value='docker'
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)
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self.xml_state.xml_data.get_name = mock.Mock(
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return_value='image_name'
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)
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self.xml_state.build_type.get_delta_root = mock.Mock(
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return_value=False
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)
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self.setup = mock.Mock()
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kiwi.builder.container.SystemSetup = mock.Mock(
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return_value=self.setup
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)
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def side_effect(filename):
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if filename.endswith('.config/kiwi/config.yml'):
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return False
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elif filename.endswith('etc/kiwi.yml'):
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return False
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else:
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return True
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mock_exists.side_effect = side_effect
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self.container = ContainerBuilder(
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self.xml_state, 'target_dir', 'root_dir'
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)
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self.container.result = mock.Mock()
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@patch('os.path.exists')
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def setup_method(self, cls, mock_exists):
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self.setup()
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def test_init_derived(self):
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assert self.container.base_image == 'root_dir/image/imported_root'
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@patch('os.path.exists')
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def test_init_derived_base_image_not_existing(self, mock_exists):
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mock_exists.return_value = False
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with raises(KiwiContainerBuilderError):
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ContainerBuilder(
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self.xml_state, 'target_dir', 'root_dir'
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)
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@patch('os.path.exists')
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def test_init_derived_base_image_md5_not_existing(self, mock_exists):
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exists_results = [False, False, True]
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def side_effect(self):
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return exists_results.pop()
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mock_exists.side_effect = side_effect
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with raises(KiwiContainerBuilderError):
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ContainerBuilder(
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self.xml_state, 'target_dir', 'root_dir'
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)
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@patch('kiwi.builder.container.Checksum')
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@patch('kiwi.builder.container.ContainerImage')
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@patch('os.path.exists')
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def test_create_derived_checksum_match_failed(
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self, mock_exists, mock_image, mock_checksum
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):
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def side_effect(filename):
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if filename.endswith('.config/kiwi/config.yml'):
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return False
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elif filename.endswith('etc/kiwi.yml'):
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return False
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else:
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return True
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mock_exists.side_effect = side_effect
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container = ContainerBuilder(
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self.xml_state, 'target_dir', 'root_dir'
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)
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container.result = mock.Mock()
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checksum = mock.Mock()
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checksum.matches = mock.Mock(
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return_value=False
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)
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mock_checksum.return_value = checksum
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with raises(KiwiContainerBuilderError):
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container.create()
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@patch('kiwi.builder.container.ContainerSetup')
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@patch('kiwi.builder.container.ContainerImage')
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def test_create(self, mock_image, mock_setup):
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container_setup = mock.Mock()
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mock_setup.new.return_value = container_setup
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container_image = mock.Mock()
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container_image.create = mock.Mock(
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return_value='target_dir/image_name.x86_64-1.2.3.docker.tar'
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)
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mock_image.new.return_value = container_image
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self.setup.export_package_verification.return_value = '.verified'
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self.setup.export_package_changes.return_value = '.changes'
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self.setup.export_package_list.return_value = '.packages'
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self.container.base_image = None
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self.container.create()
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mock_setup.new.assert_called_once_with(
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'docker', 'root_dir', self.container_config
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)
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container_setup.setup.assert_called_once_with()
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mock_image.new.assert_called_once_with(
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'docker', 'root_dir', self.container_config
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)
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container_image.create.assert_called_once_with(
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'target_dir/image_name.x86_64-1.2.3.docker.tar', None, True, False
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)
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assert self.container.result.add.call_args_list == [
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call(
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key='container',
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filename='target_dir/image_name.x86_64-1.2.3.docker.tar',
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use_for_bundle=True,
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compress=False,
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shasum=True
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),
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call(
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key='image_packages',
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filename='.packages',
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use_for_bundle=True,
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compress=False,
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shasum=False
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),
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call(
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key='image_changes',
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filename='.changes',
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use_for_bundle=True,
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compress=True,
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shasum=False
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),
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call(
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key='image_verified',
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filename='.verified',
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use_for_bundle=True,
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compress=False,
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shasum=False
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)
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]
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self.setup.export_package_verification.assert_called_once_with(
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'target_dir'
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)
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self.setup.export_package_list.assert_called_once_with(
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'target_dir'
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)
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@patch('kiwi.builder.container.Checksum')
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@patch('kiwi.builder.container.ContainerImage')
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@patch('os.path.exists')
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def test_create_derived(self, mock_exists, mock_image, mock_checksum):
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def side_effect(filename):
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if filename.endswith('.config/kiwi/config.yml'):
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return False
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elif filename.endswith('etc/kiwi.yml'):
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return False
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else:
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return True
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mock_exists.side_effect = side_effect
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container_image = mock.Mock()
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container_image.create = mock.Mock(
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return_value='target_dir/image_name.x86_64-1.2.3.docker.tar'
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)
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mock_image.new.return_value = container_image
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container = ContainerBuilder(
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self.xml_state, 'target_dir', 'root_dir'
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)
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container.result = mock.Mock()
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checksum = mock.Mock()
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checksum.md5 = mock.Mock(
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return_value='checksumvalue'
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)
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mock_checksum.return_value = checksum
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self.setup.export_package_changes.return_value = '.changes'
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self.setup.export_package_verification.return_value = '.verified'
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self.setup.export_package_list.return_value = '.packages'
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container.create()
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mock_checksum.assert_called_once_with('root_dir/image/imported_root')
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checksum.matches.assert_called_once_with(
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'checksumvalue', 'root_dir/image/imported_root.md5'
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)
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mock_image.new.assert_called_once_with(
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'docker', 'root_dir', self.container_config
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)
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container_image.create.assert_called_once_with(
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'target_dir/image_name.x86_64-1.2.3.docker.tar',
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'root_dir/image/imported_root',
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True, False
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)
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assert container.result.add.call_args_list == [
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call(
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key='container',
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filename='target_dir/image_name.x86_64-1.2.3.docker.tar',
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use_for_bundle=True,
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compress=False,
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shasum=True
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),
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call(
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key='image_packages',
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filename='.packages',
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use_for_bundle=True,
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compress=False,
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shasum=False
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),
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call(
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key='image_changes',
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filename='.changes',
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use_for_bundle=True,
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compress=True,
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shasum=False
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),
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call(
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key='image_verified',
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filename='.verified',
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use_for_bundle=True,
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compress=False,
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shasum=False
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)
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]
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self.setup.export_package_verification.assert_called_once_with(
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'target_dir'
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)
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self.setup.export_package_list.assert_called_once_with(
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'target_dir'
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)
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@patch('kiwi.builder.container.Checksum')
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def test_create_derived_with_different_md5(self, mock_md5):
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md5 = mock.Mock()
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md5.md5.return_value = 'diffchecksumvalue'
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mock_md5.return_value = md5
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m_open = mock_open(read_data='checksum data\n')
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with patch('builtins.open', m_open, create=True):
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with raises(KiwiContainerBuilderError):
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container = ContainerBuilder(
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self.xml_state, 'target_dir', 'root_dir'
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)
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container.create()
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@patch('kiwi.builder.container.Checksum')
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def test_create_derived_fail_open(self, mock_md5):
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with patch('builtins.open') as m_open:
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m_open = mock_open()
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m_open.return_value.__enter__.side_effect = Exception(
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'open failed'
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)
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with raises(Exception) as e:
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container = ContainerBuilder(
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self.xml_state, 'target_dir', 'root_dir'
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)
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container.create()
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assert 'open failed' in str(e)
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@patch('kiwi.builder.container.Checksum')
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@patch('kiwi.builder.container.ContainerImage')
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@patch('os.path.exists')
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def test_create_keep_tmpdirs(self, mock_exists, mock_image, mock_checksum):
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def side_effect(filename):
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if filename.endswith('.config/kiwi/config.yml'):
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return False
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elif filename.endswith('etc/kiwi.yml'):
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return False
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else:
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return True
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mock_exists.side_effect = side_effect
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container_image = mock.Mock()
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container_image.create = mock.Mock(
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return_value='target_dir/image_name.x86_64-1.2.3.docker.tar'
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)
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mock_image.new.return_value = container_image
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self.xml_state.build_type.get_ensure_empty_tmpdirs = mock.Mock(
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return_value=False
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)
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container = ContainerBuilder(
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self.xml_state, 'target_dir', 'root_dir'
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)
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container.result = mock.Mock()
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container.create()
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container_image.create.assert_called_once_with(
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'target_dir/image_name.x86_64-1.2.3.docker.tar',
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'root_dir/image/imported_root',
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False, False
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)
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