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# Copyright (c) 2006-2011, 2013-2014 LOGILAB S.A. (Paris, FRANCE) <contact@logilab.fr>
# Copyright (c) 2012 FELD Boris <lothiraldan@gmail.com>
# Copyright (c) 2014 Google, Inc.
# Copyright (c) 2014 Arun Persaud <arun@nubati.net>
# Copyright (c) 2015-2020 Claudiu Popa <pcmanticore@gmail.com>
# Copyright (c) 2015 Ionel Cristian Maries <contact@ionelmc.ro>
# Copyright (c) 2016-2017 Derek Gustafson <degustaf@gmail.com>
# Copyright (c) 2018 Reverb C <reverbc@users.noreply.github.com>
# Copyright (c) 2019-2021 Pierre Sassoulas <pierre.sassoulas@gmail.com>
# Copyright (c) 2019 Ashley Whetter <ashley@awhetter.co.uk>
# Copyright (c) 2020 hippo91 <guillaume.peillex@gmail.com>
# Copyright (c) 2020 Damien Baty <damien.baty@polyconseil.fr>
# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com>
# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
# For details: https://github.com/PyCQA/pylint/blob/main/LICENSE
"""non regression tests for pylint, which requires a too specific configuration
to be incorporated in the automatic functional test framework
"""
# pylint: disable=redefined-outer-name
import os
import sys
from os.path import abspath, dirname, join
from typing import Iterator
import astroid
import pytest
from pylint import testutils
from pylint.lint.pylinter import PyLinter
REGR_DATA = join(dirname(abspath(__file__)), "regrtest_data")
sys.path.insert(1, REGR_DATA)
@pytest.fixture(scope="module")
def reporter():
return testutils.GenericTestReporter
@pytest.fixture(scope="module")
def disable():
return ["I"]
@pytest.fixture
def finalize_linter(linter: PyLinter) -> Iterator[PyLinter]:
"""call reporter.finalize() to cleanup
pending messages if a test finished badly
"""
yield linter
linter.reporter.finalize()
def Equals(expected):
return lambda got: got == expected
@pytest.mark.parametrize(
"file_name, check",
[
(["package.__init__"], Equals("")),
(["precedence_test"], Equals("")),
(["import_package_subpackage_module"], Equals("")),
(["pylint.checkers.__init__"], lambda x: "__path__" not in x),
([join(REGR_DATA, "classdoc_usage.py")], Equals("")),
([join(REGR_DATA, "module_global.py")], Equals("")),
([join(REGR_DATA, "decimal_inference.py")], Equals("")),
([join(REGR_DATA, "absimp", "string.py")], Equals("")),
([join(REGR_DATA, "bad_package")], lambda x: "Unused import missing" in x),
],
)
def test_package(finalize_linter, file_name, check):
finalize_linter.check(file_name)
got = finalize_linter.reporter.finalize().strip()
assert check(got)
@pytest.mark.parametrize(
"file_name",
[
join(REGR_DATA, "import_assign.py"),
join(REGR_DATA, "special_attr_scope_lookup_crash.py"),
join(REGR_DATA, "try_finally_disable_msg_crash"),
],
)
def test_crash(finalize_linter, file_name):
finalize_linter.check(file_name)
@pytest.mark.parametrize(
"fname", [x for x in os.listdir(REGR_DATA) if x.endswith("_crash.py")]
)
def test_descriptor_crash(fname: str, finalize_linter: PyLinter) -> None:
finalize_linter.check([join(REGR_DATA, fname)])
finalize_linter.reporter.finalize().strip()
@pytest.fixture
def modify_path() -> Iterator:
cwd = os.getcwd()
sys.path.insert(0, "")
yield
sys.path.pop(0)
os.chdir(cwd)
@pytest.mark.usefixtures("modify_path")
def test_check_package___init__(finalize_linter: PyLinter) -> None:
filename = ["package.__init__"]
finalize_linter.check(filename)
checked = list(finalize_linter.stats["by_module"].keys()) # type: ignore # Refactor of PyLinter.stats necessary
assert checked == filename
os.chdir(join(REGR_DATA, "package"))
finalize_linter.check(["__init__"])
checked = list(finalize_linter.stats["by_module"].keys()) # type: ignore
assert checked == ["__init__"]
def test_pylint_config_attr() -> None:
mod = astroid.MANAGER.ast_from_module_name("pylint.lint.pylinter")
pylinter = mod["PyLinter"]
expect = [
"OptionsManagerMixIn",
"object",
"MessagesHandlerMixIn",
"ReportsHandlerMixIn",
"BaseTokenChecker",
"BaseChecker",
"OptionsProviderMixIn",
]
assert [c.name for c in pylinter.ancestors()] == expect
assert list(astroid.Instance(pylinter).getattr("config"))
inferred = list(astroid.Instance(pylinter).igetattr("config"))
assert len(inferred) == 1
assert inferred[0].root().name == "optparse"
assert inferred[0].name == "Values"
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