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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) 2015-2018 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>
# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
# For details: https://github.com/PyCQA/pylint/blob/master/COPYING
"""non regression tests for pylint, which requires a too specific configuration
to be incorporated in the automatic functional test framework
"""
import os
import sys
from os.path import abspath, dirname, join
import astroid
import pytest
import pylint.testutils as testutils
REGR_DATA = join(dirname(abspath(__file__)), "regrtest_data")
sys.path.insert(1, REGR_DATA)
try:
PYPY_VERSION_INFO = sys.pypy_version_info
except AttributeError:
PYPY_VERSION_INFO = None
@pytest.fixture(scope="module")
def reporter(reporter):
return testutils.TestReporter
@pytest.fixture(scope="module")
def disable(disable):
return ["I"]
@pytest.fixture
def finalize_linter(linter):
"""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, finalize_linter):
finalize_linter.check(join(REGR_DATA, fname))
finalize_linter.reporter.finalize().strip()
@pytest.fixture
def modify_path():
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):
filename = "package.__init__"
finalize_linter.check(filename)
checked = list(finalize_linter.stats["by_module"].keys())
assert checked == [filename]
os.chdir(join(REGR_DATA, "package"))
finalize_linter.check("__init__")
checked = list(finalize_linter.stats["by_module"].keys())
assert checked == ["__init__"]
def test_pylint_config_attr():
mod = astroid.MANAGER.ast_from_module_name("pylint.lint")
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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