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from __future__ import annotations
import sys
from argparse import Action
import pytest
from pytest_mock import MockerFixture
from tox.config.cli.parser import Parsed, ToxParser
from tox.pytest import CaptureFixture, MonkeyPatch
def test_parser_const_with_default_none(monkeypatch: MonkeyPatch) -> None:
monkeypatch.setenv("TOX_ALPHA", "2")
parser = ToxParser.base()
parser.add_argument(
"-a",
dest="alpha",
action="store_const",
const=1,
default=None,
help="sum the integers (default: find the max)",
)
parser.fix_defaults()
result = parser.parse_args([])
assert result.alpha == 2
@pytest.mark.parametrize("is_atty", [True, False])
@pytest.mark.parametrize("no_color", [None, "0", "1", "", "\t", " ", "false", "true"])
@pytest.mark.parametrize("force_color", [None, "0", "1"])
@pytest.mark.parametrize("tox_color", [None, "bad", "no", "yes"])
@pytest.mark.parametrize("term", [None, "xterm", "dumb"])
def test_parser_color(
monkeypatch: MonkeyPatch,
mocker: MockerFixture,
no_color: str | None,
force_color: str | None,
tox_color: str | None,
is_atty: bool,
term: str | None,
) -> None:
for key, value in {
"NO_COLOR": no_color,
"TOX_COLORED": tox_color,
"FORCE_COLOR": force_color,
"TERM": term,
}.items():
if value is None:
monkeypatch.delenv(key, raising=False)
else:
monkeypatch.setenv(key, value)
stdout_mock = mocker.patch("tox.config.cli.parser.sys.stdout")
stdout_mock.isatty.return_value = is_atty
if tox_color in ("yes", "no"):
expected = tox_color == "yes"
elif bool(no_color):
expected = False
elif force_color == "1":
expected = True
elif term == "dumb":
expected = False
else:
expected = is_atty
is_colored = ToxParser.base().parse_args([], Parsed()).is_colored
assert is_colored is expected
def test_parser_unsupported_type() -> None:
parser = ToxParser.base()
parser.add_argument("--magic", action="store", default=None)
with pytest.raises(TypeError) as context:
parser.fix_defaults()
action = context.value.args[0]
assert isinstance(action, Action)
assert action.dest == "magic"
def test_sub_sub_command() -> None:
parser = ToxParser.base()
with pytest.raises(RuntimeError, match="no sub-command group allowed"):
parser.add_command("c", [], "help", lambda s: 0) # pragma: no cover - the lambda will never be run # noqa: U100
def test_parse_known_args_not_set(mocker: MockerFixture) -> None:
mocker.patch.object(sys, "argv", ["a", "--help"])
parser = ToxParser.base()
_, unknown = parser.parse_known_args(None)
assert unknown == ["--help"]
def test_parser_hint(capsys: CaptureFixture) -> None:
parser = ToxParser.base()
with pytest.raises(SystemExit):
parser.parse_args("foo")
out, err = capsys.readouterr()
assert err.endswith("hint: if you tried to pass arguments to a command use -- to separate them from tox ones\n")
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