add backup and restore subcommands

tests/ahriman/application/handlers/test_handler_backup.py

@@ -0,0 +1,58 @@
+import argparse
+
+from pathlib import Path
+from pytest_mock import MockerFixture
+from unittest.mock import MagicMock
+
+from ahriman.application.handlers import Backup
+from ahriman.core.configuration import Configuration
+from ahriman.models.repository_paths import RepositoryPaths
+
+
+def _default_args(args: argparse.Namespace) -> argparse.Namespace:
+    """
+    default arguments for these test cases
+    :param args: command line arguments fixture
+    :return: generated arguments for these test cases
+    """
+    args.path = Path("result.tar.gz")
+    return args
+
+
+def test_run(args: argparse.Namespace, configuration: Configuration, mocker: MockerFixture) -> None:
+    """
+    must run command
+    """
+    args = _default_args(args)
+    mocker.patch("ahriman.application.handlers.Backup.get_paths", return_value=[Path("path")])
+    tarfile = MagicMock()
+    add_mock = tarfile.__enter__.return_value = MagicMock()
+    mocker.patch("tarfile.TarFile.__new__", return_value=tarfile)
+
+    Backup.run(args, "x86_64", configuration, True, False)
+    add_mock.add.assert_called_once_with(Path("path"))
+
+
+def test_get_paths(configuration: Configuration, mocker: MockerFixture) -> None:
+    """
+    must get paths to be archived
+    """
+    # gnupg export mock
+    mocker.patch("pathlib.Path.is_dir", return_value=True)
+    mocker.patch.object(RepositoryPaths, "root_owner", (42, 42))
+    getpwuid_mock = mocker.patch("pwd.getpwuid", return_value=MagicMock())
+    # well database does not exist so we override it
+    database_mock = mocker.patch("ahriman.core.database.sqlite.SQLite.database_path", return_value=configuration.path)
+
+    paths = Backup.get_paths(configuration)
+    getpwuid_mock.assert_called_once_with(42)
+    database_mock.assert_called_once_with(configuration)
+    assert configuration.path in paths
+    assert all(path.exists() for path in paths if path.name not in (".gnupg", "cache"))
+
+
+def test_disallow_auto_architecture_run() -> None:
+    """
+    must not allow multi architecture run
+    """
+    assert not Backup.ALLOW_AUTO_ARCHITECTURE_RUN

tests/ahriman/application/handlers/test_handler_rebuild.py

@@ -50,6 +50,7 @@ def test_run_extract_packages(args: argparse.Namespace, configuration: Configura
     """
     args = _default_args(args)
     args.from_database = True
+    args.dry_run = True
     mocker.patch("ahriman.models.repository_paths.RepositoryPaths.tree_create")
     mocker.patch("ahriman.application.application.Application.add")
     extract_mock = mocker.patch("ahriman.application.handlers.Rebuild.extract_packages", return_value=[])

tests/ahriman/application/handlers/test_handler_restore.py

@@ -0,0 +1,39 @@
+import argparse
+
+from pathlib import Path
+from pytest_mock import MockerFixture
+from unittest.mock import MagicMock
+
+from ahriman.application.handlers import Restore
+from ahriman.core.configuration import Configuration
+
+
+def _default_args(args: argparse.Namespace) -> argparse.Namespace:
+    """
+    default arguments for these test cases
+    :param args: command line arguments fixture
+    :return: generated arguments for these test cases
+    """
+    args.path = Path("result.tar.gz")
+    args.output = Path.cwd()
+    return args
+
+
+def test_run(args: argparse.Namespace, configuration: Configuration, mocker: MockerFixture) -> None:
+    """
+    must run command
+    """
+    args = _default_args(args)
+    tarfile = MagicMock()
+    extract_mock = tarfile.__enter__.return_value = MagicMock()
+    mocker.patch("tarfile.TarFile.__new__", return_value=tarfile)
+
+    Restore.run(args, "x86_64", configuration, True, False)
+    extract_mock.extractall.assert_called_once_with(path=args.output)
+
+
+def test_disallow_auto_architecture_run() -> None:
+    """
+    must not allow multi architecture run
+    """
+    assert not Restore.ALLOW_AUTO_ARCHITECTURE_RUN