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import sys
from typing import Any
from unittest.mock import patch
from _pytest.capture import CaptureFixture
from astroid import AstroidBuildingError
from py._path.local import LocalPath # type: ignore
from pylint.lint.pylinter import PyLinter
from pylint.utils import FileState
if sys.version_info >= (3, 6, 2):
from typing import NoReturn
else:
from typing_extensions import NoReturn
def raise_exception(*args: Any, **kwargs: Any) -> NoReturn:
raise AstroidBuildingError(modname="spam")
@patch.object(FileState, "iter_spurious_suppression_messages", raise_exception)
def test_crash_in_file(
linter: PyLinter, capsys: CaptureFixture, tmpdir: LocalPath
) -> None:
args = linter.load_command_line_configuration([__file__])
linter.crash_file_path = str(tmpdir / "pylint-crash-%Y")
linter.check(args)
out, err = capsys.readouterr()
assert not out
assert not err
files = tmpdir.listdir()
assert len(files) == 1
assert "pylint-crash-20" in str(files[0])
with open(files[0], encoding="utf8") as f:
content = f.read()
assert "Failed to import module spam." in content
def test_check_deprecation(linter: PyLinter, recwarn):
linter.check("myfile.py")
msg = recwarn.pop()
assert "check function will only accept sequence" in str(msg)
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