Add tests (#1) (#5)

* add models tests (#1)

also replace single quote to double one to confort PEP docstring
+ move _check_output to class properties to make it available for
mocking

* alpm tests implementation

* try to replace os with pathlib

* update tests for pathlib

* fix includes glob and trim version from dependencies

* build_tools package tests

* repository component tests

* add sign tests

* complete status tests

* handle exceptions in actual_version calls

* complete core tests

* move configuration to root conftest

* application tests

* complete application tests

* change copyright to more generic one

* base web tests

* complete web tests

* complete testkit

also add argument parsers test

tests/ahriman/application/handlers/test_handler_clean.py

@@ -0,0 +1,22 @@
+import argparse
+
+from pytest_mock import MockerFixture
+
+from ahriman.application.handlers import Clean
+from ahriman.core.configuration import Configuration
+
+
+def test_run(args: argparse.Namespace, configuration: Configuration, mocker: MockerFixture) -> None:
+    """
+    must run command
+    """
+    args.no_build = False
+    args.no_cache = False
+    args.no_chroot = False
+    args.no_manual = False
+    args.no_packages = False
+    mocker.patch("pathlib.Path.mkdir")
+    application_mock = mocker.patch("ahriman.application.application.Application.clean")
+
+    Clean.run(args, "x86_64", configuration)
+    application_mock.assert_called_once()