140 lines
4 KiB
Python
140 lines
4 KiB
Python
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# Copyright (c) 2006-2011, 2013-2014 LOGILAB S.A. (Paris, FRANCE) <contact@logilab.fr>
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# Copyright (c) 2012 FELD Boris <lothiraldan@gmail.com>
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# Copyright (c) 2014 Google, Inc.
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# Copyright (c) 2014 Arun Persaud <arun@nubati.net>
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# Copyright (c) 2015-2018 Claudiu Popa <pcmanticore@gmail.com>
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# Copyright (c) 2015 Ionel Cristian Maries <contact@ionelmc.ro>
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# Copyright (c) 2016-2017 Derek Gustafson <degustaf@gmail.com>
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# Copyright (c) 2018 Reverb C <reverbc@users.noreply.github.com>
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# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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# For details: https://github.com/PyCQA/pylint/blob/master/COPYING
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"""non regression tests for pylint, which requires a too specific configuration
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to be incorporated in the automatic functional test framework
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"""
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import sys
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import os
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from os.path import abspath, dirname, join
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import pytest
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import astroid
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import pylint.testutils as testutils
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from pylint import epylint
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REGR_DATA = join(dirname(abspath(__file__)), "regrtest_data")
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sys.path.insert(1, REGR_DATA)
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try:
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PYPY_VERSION_INFO = sys.pypy_version_info
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except AttributeError:
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PYPY_VERSION_INFO = None
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@pytest.fixture(scope="module")
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def reporter(reporter):
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return testutils.TestReporter
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@pytest.fixture(scope="module")
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def disable(disable):
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return ["I"]
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@pytest.fixture
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def finalize_linter(linter):
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"""call reporter.finalize() to cleanup
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pending messages if a test finished badly
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"""
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yield linter
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linter.reporter.finalize()
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def Equals(expected):
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return lambda got: got == expected
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@pytest.mark.parametrize(
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"file_name, check",
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[
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("package.__init__", Equals("")),
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("precedence_test", Equals("")),
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("import_package_subpackage_module", Equals("")),
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("pylint.checkers.__init__", lambda x: "__path__" not in x),
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(join(REGR_DATA, "classdoc_usage.py"), Equals("")),
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(join(REGR_DATA, "module_global.py"), Equals("")),
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(join(REGR_DATA, "decimal_inference.py"), Equals("")),
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(join(REGR_DATA, "absimp", "string.py"), Equals("")),
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(join(REGR_DATA, "bad_package"), lambda x: "Unused import missing" in x),
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],
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)
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def test_package(finalize_linter, file_name, check):
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finalize_linter.check(file_name)
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got = finalize_linter.reporter.finalize().strip()
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assert check(got)
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@pytest.mark.parametrize(
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"file_name",
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[
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join(REGR_DATA, "import_assign.py"),
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join(REGR_DATA, "special_attr_scope_lookup_crash.py"),
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join(REGR_DATA, "try_finally_disable_msg_crash"),
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],
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)
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def test_crash(finalize_linter, file_name):
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finalize_linter.check(file_name)
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@pytest.mark.parametrize(
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"fname", [x for x in os.listdir(REGR_DATA) if x.endswith("_crash.py")]
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)
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def test_descriptor_crash(fname, finalize_linter):
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finalize_linter.check(join(REGR_DATA, fname))
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finalize_linter.reporter.finalize().strip()
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@pytest.fixture
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def modify_path():
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cwd = os.getcwd()
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sys.path.insert(0, "")
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yield
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sys.path.pop(0)
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os.chdir(cwd)
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@pytest.mark.usefixtures("modify_path")
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def test_check_package___init__(finalize_linter):
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filename = "package.__init__"
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finalize_linter.check(filename)
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checked = list(finalize_linter.stats["by_module"].keys())
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assert checked == [filename]
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os.chdir(join(REGR_DATA, "package"))
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finalize_linter.check("__init__")
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checked = list(finalize_linter.stats["by_module"].keys())
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assert checked == ["__init__"]
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def test_pylint_config_attr():
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mod = astroid.MANAGER.ast_from_module_name("pylint.lint")
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pylinter = mod["PyLinter"]
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expect = [
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"OptionsManagerMixIn",
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"object",
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"MessagesHandlerMixIn",
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"ReportsHandlerMixIn",
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"BaseTokenChecker",
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"BaseChecker",
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"OptionsProviderMixIn",
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]
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assert [c.name for c in pylinter.ancestors()] == expect
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assert list(astroid.Instance(pylinter).getattr("config"))
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inferred = list(astroid.Instance(pylinter).igetattr("config"))
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assert len(inferred) == 1
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assert inferred[0].root().name == "optparse"
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assert inferred[0].name == "Values"
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