add help command

tests/ahriman/application/handlers/test_handler_help.py

@@ -0,0 +1,41 @@
+import argparse
+
+from pytest_mock import MockerFixture
+
+from ahriman.application.ahriman import _parser
+from ahriman.application.handlers import Help
+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.parser = _parser
+    args.command = None
+    return args
+
+
+def test_run(args: argparse.Namespace, configuration: Configuration, mocker: MockerFixture) -> None:
+    """
+    must run command
+    """
+    args = _default_args(args)
+    parse_mock = mocker.patch("argparse.ArgumentParser.parse_args")
+
+    Help.run(args, "x86_64", configuration, True, False)
+    parse_mock.assert_called_once_with(["--help"])
+
+
+def test_run_command(args: argparse.Namespace, configuration: Configuration, mocker: MockerFixture) -> None:
+    """
+    must run command for specific subcommand
+    """
+    args = _default_args(args)
+    args.command = "aur-search"
+    parse_mock = mocker.patch("argparse.ArgumentParser.parse_args")
+
+    Help.run(args, "x86_64", configuration, True, False)
+    parse_mock.assert_called_once_with(["aur-search", "--help"])

tests/ahriman/application/test_ahriman.py

@@ -65,6 +65,27 @@ def test_subparsers_aur_search_architecture(parser: argparse.ArgumentParser) ->
     assert args.architecture == [""]
 
 
+def test_subparsers_help(parser: argparse.ArgumentParser) -> None:
+    """
+    help command must imply architecture list, lock, no-report, quiet, unsafe and parser
+    """
+    args = parser.parse_args(["help"])
+    assert args.architecture == [""]
+    assert args.lock is None
+    assert args.no_report
+    assert args.quiet
+    assert args.unsafe
+    assert args.parser is not None and args.parser()
+
+
+def test_subparsers_help_architecture(parser: argparse.ArgumentParser) -> None:
+    """
+    help command must correctly parse architecture list
+    """
+    args = parser.parse_args(["-a", "x86_64", "help"])
+    assert args.architecture == [""]
+
+
 def test_subparsers_help_commands_unsafe(parser: argparse.ArgumentParser) -> None:
     """
     help-commands-unsafe command must imply architecture list, lock, no-report, quiet, unsafe and parser
@@ -80,7 +101,7 @@ def test_subparsers_help_commands_unsafe(parser: argparse.ArgumentParser) -> Non
 
 def test_subparsers_help_commands_unsafe_architecture(parser: argparse.ArgumentParser) -> None:
     """
-    help-ommands-unsafe command must correctly parse architecture list
+    help-commands-unsafe command must correctly parse architecture list
     """
     args = parser.parse_args(["-a", "x86_64", "help-commands-unsafe"])
     assert args.architecture == [""]