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feat: show help message if no command specified

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This commit is contained in:
Evgenii Alekseev
2023-09-05 18:24:58 +03:00
parent 6fcb5449c3
commit 62ae3ada4a
2 changed files with 17 additions and 1 deletions
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5
src/ahriman/application/ahriman.py
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@ -90,7 +90,7 @@ def _parser() -> argparse.ArgumentParser:
type=int, default=-1) type=int, default=-1)
parser.add_argument("-V", "--version", action="version", version=__version__) parser.add_argument("-V", "--version", action="version", version=__version__)
subparsers = parser.add_subparsers(title="command", help="command to run", dest="command", required=True) subparsers = parser.add_subparsers(title="command", help="command to run", dest="command")
_set_aur_search_parser(subparsers) _set_aur_search_parser(subparsers)
_set_help_parser(subparsers) _set_help_parser(subparsers)
@ -1016,5 +1016,8 @@ def run() -> int:
args_parser = _parser() args_parser = _parser()
args = args_parser.parse_args() args = args_parser.parse_args()
if args.command is None: # in case of empty command we would like to print help message
args_parser.exit(status=2, message=args_parser.format_help())
handler: handlers.Handler = args.handler handler: handlers.Handler = args.handler
return handler.execute(args) return handler.execute(args)

13
tests/ahriman/application/test_ahriman.py
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@ -1,4 +1,5 @@
import argparse import argparse
import pytest
from pathlib import Path from pathlib import Path
from pytest_mock import MockerFixture from pytest_mock import MockerFixture
@ -841,8 +842,20 @@ def test_run(args: argparse.Namespace, mocker: MockerFixture) -> None:
application must be run application must be run
""" """
args.architecture = "x86_64" args.architecture = "x86_64"
args.command = ""
args.handler = Handler args.handler = Handler
mocker.patch("argparse.ArgumentParser.parse_args", return_value=args) mocker.patch("argparse.ArgumentParser.parse_args", return_value=args)
assert ahriman.run() == 1 assert ahriman.run() == 1
def test_run_without_command(args: argparse.Namespace, mocker: MockerFixture) -> None:
"""
must show help message if run without commands
"""
args.command = None
mocker.patch("argparse.ArgumentParser.parse_args", return_value=args)
with pytest.raises(SystemExit):
ahriman.run()