| # Copyright (c) 2006-2014 LOGILAB S.A. (Paris, FRANCE) <[email protected]> |
| # Copyright (c) 2011-2014 Google, Inc. |
| # Copyright (c) 2012 Kevin Jing Qiu <[email protected]> |
| # Copyright (c) 2012 Anthony VEREZ <[email protected]> |
| # Copyright (c) 2012 FELD Boris <[email protected]> |
| # Copyright (c) 2013-2018, 2020 Claudiu Popa <[email protected]> |
| # Copyright (c) 2014 Arun Persaud <[email protected]> |
| # Copyright (c) 2015 Florian Bruhin <[email protected]> |
| # Copyright (c) 2015 Noam Yorav-Raphael <[email protected]> |
| # Copyright (c) 2015 Ionel Cristian Maries <[email protected]> |
| # Copyright (c) 2016-2017 Derek Gustafson <[email protected]> |
| # Copyright (c) 2016 Glenn Matthews <[email protected]> |
| # Copyright (c) 2016 Glenn Matthews <[email protected]> |
| # Copyright (c) 2017-2021 Pierre Sassoulas <[email protected]> |
| # Copyright (c) 2017 Craig Citro <[email protected]> |
| # Copyright (c) 2017 Łukasz Rogalski <[email protected]> |
| # Copyright (c) 2017 Ville Skyttä <[email protected]> |
| # Copyright (c) 2018, 2020 Anthony Sottile <[email protected]> |
| # Copyright (c) 2018 Matus Valo <[email protected]> |
| # Copyright (c) 2018 Scott Worley <[email protected]> |
| # Copyright (c) 2018 Randall Leeds <[email protected]> |
| # Copyright (c) 2018 Sushobhit <[email protected]> |
| # Copyright (c) 2018 Reverb C <[email protected]> |
| # Copyright (c) 2019 Janne Rönkkö <[email protected]> |
| # Copyright (c) 2019 Trevor Bekolay <[email protected]> |
| # Copyright (c) 2019 Andres Perez Hortal <[email protected]> |
| # Copyright (c) 2019 Ashley Whetter <[email protected]> |
| # Copyright (c) 2020 Martin Vielsmaier <[email protected]> |
| # Copyright (c) 2020 hippo91 <[email protected]> |
| # Copyright (c) 2020 Damien Baty <[email protected]> |
| # Copyright (c) 2021 Michal Vasilek <[email protected]> |
| # Copyright (c) 2021 Eisuke Kawashima <[email protected]> |
| # Copyright (c) 2021 Daniël van Noord <[email protected]> |
| # Copyright (c) 2021 Marc Mueller <[email protected]> |
| # Copyright (c) 2021 Andreas Finkler <[email protected]> |
| |
| # 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 |
| # pylint: disable=redefined-outer-name |
| |
| import os |
| import re |
| import sys |
| import tempfile |
| from contextlib import contextmanager |
| from importlib import reload |
| from io import StringIO |
| from os import chdir, getcwd |
| from os.path import abspath, basename, dirname, isdir, join, sep |
| from shutil import rmtree |
| |
| import platformdirs |
| import pytest |
| |
| from pylint import checkers, config, exceptions, interfaces, lint, testutils |
| from pylint.checkers.utils import check_messages |
| from pylint.constants import ( |
| MSG_STATE_CONFIDENCE, |
| MSG_STATE_SCOPE_CONFIG, |
| MSG_STATE_SCOPE_MODULE, |
| ) |
| from pylint.exceptions import InvalidMessageError |
| from pylint.lint import ArgumentPreprocessingError, PyLinter, Run, preprocess_options |
| from pylint.reporters import text |
| from pylint.utils import FileState, tokenize_module |
| |
| if os.name == "java": |
| # pylint: disable=no-member |
| # os._name is valid see https://www.programcreek.com/python/example/3842/os._name |
| if os.name == "nt": |
| HOME = "USERPROFILE" |
| else: |
| HOME = "HOME" |
| elif sys.platform == "win32": |
| HOME = "USERPROFILE" |
| else: |
| HOME = "HOME" |
| |
| |
| @contextmanager |
| def fake_home(): |
| folder = tempfile.mkdtemp("fake-home") |
| old_home = os.environ.get(HOME) |
| try: |
| os.environ[HOME] = folder |
| yield |
| finally: |
| os.environ.pop("PYLINTRC", "") |
| if old_home is None: |
| del os.environ[HOME] |
| else: |
| os.environ[HOME] = old_home |
| rmtree(folder, ignore_errors=True) |
| |
| |
| def remove(file): |
| try: |
| os.remove(file) |
| except OSError: |
| pass |
| |
| |
| HERE = abspath(dirname(__file__)) |
| INPUT_DIR = join(HERE, "..", "input") |
| REGRTEST_DATA_DIR = join(HERE, "..", "regrtest_data") |
| DATA_DIR = join(HERE, "..", "data") |
| |
| |
| @contextmanager |
| def tempdir(): |
| """Create a temp directory and change the current location to it. |
| |
| This is supposed to be used with a *with* statement. |
| """ |
| tmp = tempfile.mkdtemp() |
| |
| # Get real path of tempfile, otherwise test fail on mac os x |
| current_dir = getcwd() |
| chdir(tmp) |
| abs_tmp = abspath(".") |
| |
| try: |
| yield abs_tmp |
| finally: |
| chdir(current_dir) |
| rmtree(abs_tmp) |
| |
| |
| def create_files(paths, chroot="."): |
| """Creates directories and files found in <path>. |
| |
| :param list paths: list of relative paths to files or directories |
| :param str chroot: the root directory in which paths will be created |
| |
| >>> from os.path import isdir, isfile |
| >>> isdir('/tmp/a') |
| False |
| >>> create_files(['a/b/foo.py', 'a/b/c/', 'a/b/c/d/e.py'], '/tmp') |
| >>> isdir('/tmp/a') |
| True |
| >>> isdir('/tmp/a/b/c') |
| True |
| >>> isfile('/tmp/a/b/c/d/e.py') |
| True |
| >>> isfile('/tmp/a/b/foo.py') |
| True |
| """ |
| dirs, files = set(), set() |
| for path in paths: |
| path = join(chroot, path) |
| filename = basename(path) |
| # path is a directory path |
| if filename == "": |
| dirs.add(path) |
| # path is a filename path |
| else: |
| dirs.add(dirname(path)) |
| files.add(path) |
| for dirpath in dirs: |
| if not isdir(dirpath): |
| os.makedirs(dirpath) |
| for filepath in files: |
| with open(filepath, "w", encoding="utf-8"): |
| pass |
| |
| |
| @pytest.fixture |
| def fake_path(): |
| orig = list(sys.path) |
| fake = [1, 2, 3] |
| sys.path[:] = fake |
| yield fake |
| sys.path[:] = orig |
| |
| |
| def test_no_args(fake_path): |
| with lint.fix_import_path([]): |
| assert sys.path == fake_path |
| assert sys.path == fake_path |
| |
| |
| @pytest.mark.parametrize( |
| "case", [["a/b/"], ["a/b"], ["a/b/__init__.py"], ["a/"], ["a"]] |
| ) |
| def test_one_arg(fake_path, case): |
| with tempdir() as chroot: |
| create_files(["a/b/__init__.py"]) |
| expected = [join(chroot, "a")] + fake_path |
| |
| assert sys.path == fake_path |
| with lint.fix_import_path(case): |
| assert sys.path == expected |
| assert sys.path == fake_path |
| |
| |
| @pytest.mark.parametrize( |
| "case", |
| [ |
| ["a/b", "a/c"], |
| ["a/c/", "a/b/"], |
| ["a/b/__init__.py", "a/c/__init__.py"], |
| ["a", "a/c/__init__.py"], |
| ], |
| ) |
| def test_two_similar_args(fake_path, case): |
| with tempdir() as chroot: |
| create_files(["a/b/__init__.py", "a/c/__init__.py"]) |
| expected = [join(chroot, "a")] + fake_path |
| |
| assert sys.path == fake_path |
| with lint.fix_import_path(case): |
| assert sys.path == expected |
| assert sys.path == fake_path |
| |
| |
| @pytest.mark.parametrize( |
| "case", |
| [ |
| ["a/b/c/__init__.py", "a/d/__init__.py", "a/e/f.py"], |
| ["a/b/c", "a", "a/e"], |
| ["a/b/c", "a", "a/b/c", "a/e", "a"], |
| ], |
| ) |
| def test_more_args(fake_path, case): |
| with tempdir() as chroot: |
| create_files(["a/b/c/__init__.py", "a/d/__init__.py", "a/e/f.py"]) |
| expected = [ |
| join(chroot, suffix) |
| for suffix in (sep.join(("a", "b")), "a", sep.join(("a", "e"))) |
| ] + fake_path |
| |
| assert sys.path == fake_path |
| with lint.fix_import_path(case): |
| assert sys.path == expected |
| assert sys.path == fake_path |
| |
| |
| @pytest.fixture(scope="module") |
| def disable(): |
| return ["I"] |
| |
| |
| @pytest.fixture(scope="module") |
| def reporter(): |
| return testutils.GenericTestReporter |
| |
| |
| @pytest.fixture |
| def init_linter(linter): |
| linter.open() |
| linter.set_current_module("toto") |
| linter.file_state = FileState("toto") |
| return linter |
| |
| |
| def test_pylint_visit_method_taken_in_account(linter): |
| class CustomChecker(checkers.BaseChecker): |
| __implements__ = interfaces.IAstroidChecker |
| name = "custom" |
| msgs = {"W9999": ("", "custom", "")} |
| |
| @check_messages("custom") |
| def visit_class(self, _): |
| pass |
| |
| linter.register_checker(CustomChecker(linter)) |
| linter.open() |
| out = StringIO() |
| linter.set_reporter(text.TextReporter(out)) |
| linter.check("abc") |
| |
| |
| def test_enable_message(init_linter): |
| linter = init_linter |
| assert linter.is_message_enabled("W0101") |
| assert linter.is_message_enabled("W0102") |
| linter.disable("W0101", scope="package") |
| linter.disable("W0102", scope="module", line=1) |
| assert not linter.is_message_enabled("W0101") |
| assert not linter.is_message_enabled("W0102", 1) |
| linter.set_current_module("tutu") |
| assert not linter.is_message_enabled("W0101") |
| assert linter.is_message_enabled("W0102") |
| linter.enable("W0101", scope="package") |
| linter.enable("W0102", scope="module", line=1) |
| assert linter.is_message_enabled("W0101") |
| assert linter.is_message_enabled("W0102", 1) |
| |
| |
| def test_enable_message_category(init_linter): |
| linter = init_linter |
| assert linter.is_message_enabled("W0101") |
| assert linter.is_message_enabled("C0202") |
| linter.disable("W", scope="package") |
| linter.disable("C", scope="module", line=1) |
| assert not linter.is_message_enabled("W0101") |
| assert linter.is_message_enabled("C0202") |
| assert not linter.is_message_enabled("C0202", line=1) |
| linter.set_current_module("tutu") |
| assert not linter.is_message_enabled("W0101") |
| assert linter.is_message_enabled("C0202") |
| linter.enable("W", scope="package") |
| linter.enable("C", scope="module", line=1) |
| assert linter.is_message_enabled("W0101") |
| assert linter.is_message_enabled("C0202") |
| assert linter.is_message_enabled("C0202", line=1) |
| |
| |
| def test_message_state_scope(init_linter): |
| class FakeConfig: |
| confidence = ["HIGH"] |
| |
| linter = init_linter |
| linter.disable("C0202") |
| assert MSG_STATE_SCOPE_CONFIG == linter.get_message_state_scope("C0202") |
| linter.disable("W0101", scope="module", line=3) |
| assert MSG_STATE_SCOPE_CONFIG == linter.get_message_state_scope("C0202") |
| assert MSG_STATE_SCOPE_MODULE == linter.get_message_state_scope("W0101", 3) |
| linter.enable("W0102", scope="module", line=3) |
| assert MSG_STATE_SCOPE_MODULE == linter.get_message_state_scope("W0102", 3) |
| linter.config = FakeConfig() |
| assert MSG_STATE_CONFIDENCE == linter.get_message_state_scope( |
| "this-is-bad", confidence=interfaces.INFERENCE |
| ) |
| |
| |
| def test_enable_message_block(init_linter): |
| linter = init_linter |
| linter.open() |
| filepath = join(REGRTEST_DATA_DIR, "func_block_disable_msg.py") |
| linter.set_current_module("func_block_disable_msg") |
| astroid = linter.get_ast(filepath, "func_block_disable_msg") |
| linter.process_tokens(tokenize_module(astroid)) |
| fs = linter.file_state |
| fs.collect_block_lines(linter.msgs_store, astroid) |
| # global (module level) |
| assert linter.is_message_enabled("W0613") |
| assert linter.is_message_enabled("E1101") |
| # meth1 |
| assert linter.is_message_enabled("W0613", 13) |
| # meth2 |
| assert not linter.is_message_enabled("W0613", 18) |
| # meth3 |
| assert not linter.is_message_enabled("E1101", 24) |
| assert linter.is_message_enabled("E1101", 26) |
| # meth4 |
| assert not linter.is_message_enabled("E1101", 32) |
| assert linter.is_message_enabled("E1101", 36) |
| # meth5 |
| assert not linter.is_message_enabled("E1101", 42) |
| assert not linter.is_message_enabled("E1101", 43) |
| assert linter.is_message_enabled("E1101", 46) |
| assert not linter.is_message_enabled("E1101", 49) |
| assert not linter.is_message_enabled("E1101", 51) |
| # meth6 |
| assert not linter.is_message_enabled("E1101", 57) |
| assert linter.is_message_enabled("E1101", 61) |
| assert not linter.is_message_enabled("E1101", 64) |
| assert not linter.is_message_enabled("E1101", 66) |
| |
| assert linter.is_message_enabled("E0602", 57) |
| assert linter.is_message_enabled("E0602", 61) |
| assert not linter.is_message_enabled("E0602", 62) |
| assert linter.is_message_enabled("E0602", 64) |
| assert linter.is_message_enabled("E0602", 66) |
| # meth7 |
| assert not linter.is_message_enabled("E1101", 70) |
| assert linter.is_message_enabled("E1101", 72) |
| assert linter.is_message_enabled("E1101", 75) |
| assert linter.is_message_enabled("E1101", 77) |
| |
| fs = linter.file_state |
| assert fs._suppression_mapping["W0613", 18] == 17 |
| assert fs._suppression_mapping["E1101", 33] == 30 |
| assert ("E1101", 46) not in fs._suppression_mapping |
| assert fs._suppression_mapping["C0302", 18] == 1 |
| assert fs._suppression_mapping["C0302", 50] == 1 |
| # This is tricky. While the disable in line 106 is disabling |
| # both 108 and 110, this is usually not what the user wanted. |
| # Therefore, we report the closest previous disable comment. |
| assert fs._suppression_mapping["E1101", 108] == 106 |
| assert fs._suppression_mapping["E1101", 110] == 109 |
| |
| |
| def test_enable_by_symbol(init_linter): |
| """messages can be controlled by symbolic names. |
| |
| The state is consistent across symbols and numbers. |
| """ |
| linter = init_linter |
| assert linter.is_message_enabled("W0101") |
| assert linter.is_message_enabled("unreachable") |
| assert linter.is_message_enabled("W0102") |
| assert linter.is_message_enabled("dangerous-default-value") |
| linter.disable("unreachable", scope="package") |
| linter.disable("dangerous-default-value", scope="module", line=1) |
| assert not linter.is_message_enabled("W0101") |
| assert not linter.is_message_enabled("unreachable") |
| assert not linter.is_message_enabled("W0102", 1) |
| assert not linter.is_message_enabled("dangerous-default-value", 1) |
| linter.set_current_module("tutu") |
| assert not linter.is_message_enabled("W0101") |
| assert not linter.is_message_enabled("unreachable") |
| assert linter.is_message_enabled("W0102") |
| assert linter.is_message_enabled("dangerous-default-value") |
| linter.enable("unreachable", scope="package") |
| linter.enable("dangerous-default-value", scope="module", line=1) |
| assert linter.is_message_enabled("W0101") |
| assert linter.is_message_enabled("unreachable") |
| assert linter.is_message_enabled("W0102", 1) |
| assert linter.is_message_enabled("dangerous-default-value", 1) |
| |
| |
| def test_enable_report(linter): |
| assert linter.report_is_enabled("RP0001") |
| linter.disable("RP0001") |
| assert not linter.report_is_enabled("RP0001") |
| linter.enable("RP0001") |
| assert linter.report_is_enabled("RP0001") |
| |
| |
| def test_report_output_format_aliased(linter): |
| text.register(linter) |
| linter.set_option("output-format", "text") |
| assert linter.reporter.__class__.__name__ == "TextReporter" |
| |
| |
| def test_set_unsupported_reporter(linter): |
| text.register(linter) |
| with pytest.raises(exceptions.InvalidReporterError): |
| linter.set_option("output-format", "missing.module.Class") |
| |
| |
| def test_set_option_1(linter): |
| linter.set_option("disable", "C0111,W0234") |
| assert not linter.is_message_enabled("C0111") |
| assert not linter.is_message_enabled("W0234") |
| assert linter.is_message_enabled("W0113") |
| assert not linter.is_message_enabled("missing-docstring") |
| assert not linter.is_message_enabled("non-iterator-returned") |
| |
| |
| def test_set_option_2(linter): |
| linter.set_option("disable", ("C0111", "W0234")) |
| assert not linter.is_message_enabled("C0111") |
| assert not linter.is_message_enabled("W0234") |
| assert linter.is_message_enabled("W0113") |
| assert not linter.is_message_enabled("missing-docstring") |
| assert not linter.is_message_enabled("non-iterator-returned") |
| |
| |
| def test_enable_checkers(linter): |
| linter.disable("design") |
| assert not ("design" in [c.name for c in linter.prepare_checkers()]) |
| linter.enable("design") |
| assert "design" in [c.name for c in linter.prepare_checkers()] |
| |
| |
| def test_errors_only(linter): |
| linter.error_mode() |
| checkers = linter.prepare_checkers() |
| checker_names = {c.name for c in checkers} |
| should_not = {"design", "format", "metrics", "miscellaneous", "similarities"} |
| assert set() == should_not & checker_names |
| |
| |
| def test_disable_similar(linter): |
| linter.set_option("disable", "RP0801") |
| linter.set_option("disable", "R0801") |
| assert not ("similarities" in [c.name for c in linter.prepare_checkers()]) |
| |
| |
| def test_disable_alot(linter): |
| """check that we disabled a lot of checkers""" |
| linter.set_option("reports", False) |
| linter.set_option("disable", "R,C,W") |
| checker_names = [c.name for c in linter.prepare_checkers()] |
| for cname in ("design", "metrics", "similarities"): |
| assert not (cname in checker_names), cname |
| |
| |
| def test_addmessage(linter): |
| linter.set_reporter(testutils.GenericTestReporter()) |
| linter.open() |
| linter.set_current_module("0123") |
| linter.add_message("C0301", line=1, args=(1, 2)) |
| linter.add_message("line-too-long", line=2, args=(3, 4)) |
| assert [ |
| "C: 1: Line too long (1/2)", |
| "C: 2: Line too long (3/4)", |
| ] == linter.reporter.messages |
| |
| |
| def test_addmessage_invalid(linter): |
| linter.set_reporter(testutils.GenericTestReporter()) |
| linter.open() |
| linter.set_current_module("0123") |
| |
| with pytest.raises(InvalidMessageError) as cm: |
| linter.add_message("line-too-long", args=(1, 2)) |
| assert str(cm.value) == "Message C0301 must provide line, got None" |
| |
| with pytest.raises(InvalidMessageError) as cm: |
| linter.add_message("line-too-long", line=2, node="fake_node", args=(1, 2)) |
| assert ( |
| str(cm.value) |
| == "Message C0301 must only provide line, got line=2, node=fake_node" |
| ) |
| |
| with pytest.raises(InvalidMessageError) as cm: |
| linter.add_message("C0321") |
| assert str(cm.value) == "Message C0321 must provide Node, got None" |
| |
| |
| def test_load_plugin_command_line(): |
| dummy_plugin_path = join(REGRTEST_DATA_DIR, "dummy_plugin") |
| sys.path.append(dummy_plugin_path) |
| |
| run = Run( |
| ["--load-plugins", "dummy_plugin", join(REGRTEST_DATA_DIR, "empty.py")], |
| exit=False, |
| ) |
| assert ( |
| len([ch.name for ch in run.linter.get_checkers() if ch.name == "dummy_plugin"]) |
| == 2 |
| ) |
| |
| sys.path.remove(dummy_plugin_path) |
| |
| |
| def test_load_plugin_config_file(): |
| dummy_plugin_path = join(REGRTEST_DATA_DIR, "dummy_plugin") |
| sys.path.append(dummy_plugin_path) |
| config_path = join(REGRTEST_DATA_DIR, "dummy_plugin.rc") |
| |
| run = Run( |
| ["--rcfile", config_path, join(REGRTEST_DATA_DIR, "empty.py")], |
| exit=False, |
| ) |
| assert ( |
| len([ch.name for ch in run.linter.get_checkers() if ch.name == "dummy_plugin"]) |
| == 2 |
| ) |
| |
| sys.path.remove(dummy_plugin_path) |
| |
| |
| def test_load_plugin_configuration(): |
| dummy_plugin_path = join(REGRTEST_DATA_DIR, "dummy_plugin") |
| sys.path.append(dummy_plugin_path) |
| |
| run = Run( |
| [ |
| "--load-plugins", |
| "dummy_conf_plugin", |
| "--ignore", |
| "foo,bar", |
| join(REGRTEST_DATA_DIR, "empty.py"), |
| ], |
| exit=False, |
| ) |
| assert run.linter.config.black_list == ["foo", "bar", "bin"] |
| |
| |
| def test_init_hooks_called_before_load_plugins(): |
| with pytest.raises(RuntimeError): |
| Run(["--load-plugins", "unexistant", "--init-hook", "raise RuntimeError"]) |
| with pytest.raises(RuntimeError): |
| Run(["--init-hook", "raise RuntimeError", "--load-plugins", "unexistant"]) |
| |
| |
| def test_analyze_explicit_script(linter): |
| linter.set_reporter(testutils.GenericTestReporter()) |
| linter.check(os.path.join(DATA_DIR, "ascript")) |
| assert ["C: 2: Line too long (175/100)"] == linter.reporter.messages |
| |
| |
| def test_full_documentation(linter): |
| out = StringIO() |
| linter.print_full_documentation(out) |
| output = out.getvalue() |
| # A few spot checks only |
| for re_str in ( |
| # autogenerated text |
| "^Pylint global options and switches$", |
| "Verbatim name of the checker is ``variables``", |
| # messages |
| "^:undefined-loop-variable \\(W0631\\): *", |
| # options |
| "^:dummy-variables-rgx:", |
| ): |
| regexp = re.compile(re_str, re.MULTILINE) |
| assert re.search(regexp, output) |
| |
| |
| def test_list_msgs_enabled(init_linter, capsys): |
| linter = init_linter |
| linter.enable("W0101", scope="package") |
| linter.disable("W0102", scope="package") |
| linter.list_messages_enabled() |
| |
| lines = capsys.readouterr().out.splitlines() |
| |
| assert "Enabled messages:" in lines |
| assert " unreachable (W0101)" in lines |
| |
| assert "Disabled messages:" in lines |
| disabled_ix = lines.index("Disabled messages:") |
| |
| # W0101 should be in the enabled section |
| assert lines.index(" unreachable (W0101)") < disabled_ix |
| |
| assert " dangerous-default-value (W0102)" in lines |
| # W0102 should be in the disabled section |
| assert lines.index(" dangerous-default-value (W0102)") > disabled_ix |
| |
| |
| @pytest.fixture |
| def pop_pylintrc(): |
| os.environ.pop("PYLINTRC", None) |
| |
| |
| @pytest.mark.usefixtures("pop_pylintrc") |
| def test_pylint_home(): |
| uhome = os.path.expanduser("~") |
| if uhome == "~": |
| expected = ".pylint.d" |
| else: |
| expected = platformdirs.user_cache_dir("pylint") |
| assert config.PYLINT_HOME == expected |
| |
| try: |
| pylintd = join(tempfile.gettempdir(), ".pylint.d") |
| os.environ["PYLINTHOME"] = pylintd |
| try: |
| reload(config) |
| assert config.PYLINT_HOME == pylintd |
| finally: |
| try: |
| rmtree(pylintd) |
| except FileNotFoundError: |
| pass |
| finally: |
| del os.environ["PYLINTHOME"] |
| |
| |
| @pytest.mark.usefixtures("pop_pylintrc") |
| def test_pylintrc(): |
| with fake_home(): |
| current_dir = getcwd() |
| chdir(os.path.dirname(os.path.abspath(sys.executable))) |
| try: |
| assert config.find_pylintrc() is None |
| os.environ["PYLINTRC"] = join(tempfile.gettempdir(), ".pylintrc") |
| assert config.find_pylintrc() is None |
| os.environ["PYLINTRC"] = "." |
| assert config.find_pylintrc() is None |
| finally: |
| chdir(current_dir) |
| reload(config) |
| |
| |
| @pytest.mark.usefixtures("pop_pylintrc") |
| def test_pylintrc_parentdir(): |
| with tempdir() as chroot: |
| |
| create_files( |
| [ |
| "a/pylintrc", |
| "a/b/__init__.py", |
| "a/b/pylintrc", |
| "a/b/c/__init__.py", |
| "a/b/c/d/__init__.py", |
| "a/b/c/d/e/.pylintrc", |
| ] |
| ) |
| with fake_home(): |
| assert config.find_pylintrc() is None |
| results = { |
| "a": join(chroot, "a", "pylintrc"), |
| "a/b": join(chroot, "a", "b", "pylintrc"), |
| "a/b/c": join(chroot, "a", "b", "pylintrc"), |
| "a/b/c/d": join(chroot, "a", "b", "pylintrc"), |
| "a/b/c/d/e": join(chroot, "a", "b", "c", "d", "e", ".pylintrc"), |
| } |
| for basedir, expected in results.items(): |
| os.chdir(join(chroot, basedir)) |
| assert config.find_pylintrc() == expected |
| |
| |
| @pytest.mark.usefixtures("pop_pylintrc") |
| def test_pylintrc_parentdir_no_package(): |
| with tempdir() as chroot: |
| with fake_home(): |
| create_files(["a/pylintrc", "a/b/pylintrc", "a/b/c/d/__init__.py"]) |
| assert config.find_pylintrc() is None |
| results = { |
| "a": join(chroot, "a", "pylintrc"), |
| "a/b": join(chroot, "a", "b", "pylintrc"), |
| "a/b/c": None, |
| "a/b/c/d": None, |
| } |
| for basedir, expected in results.items(): |
| os.chdir(join(chroot, basedir)) |
| assert config.find_pylintrc() == expected |
| |
| |
| class TestPreprocessOptions: |
| def _callback(self, name, value): |
| self.args.append((name, value)) |
| |
| def test_value_equal(self): |
| self.args = [] |
| preprocess_options( |
| ["--foo", "--bar=baz", "--qu=ux"], |
| {"foo": (self._callback, False), "qu": (self._callback, True)}, |
| ) |
| assert [("foo", None), ("qu", "ux")] == self.args |
| |
| def test_value_space(self): |
| self.args = [] |
| preprocess_options(["--qu", "ux"], {"qu": (self._callback, True)}) |
| assert [("qu", "ux")] == self.args |
| |
| @staticmethod |
| def test_error_missing_expected_value(): |
| with pytest.raises(ArgumentPreprocessingError): |
| preprocess_options(["--foo", "--bar", "--qu=ux"], {"bar": (None, True)}) |
| with pytest.raises(ArgumentPreprocessingError): |
| preprocess_options(["--foo", "--bar"], {"bar": (None, True)}) |
| |
| @staticmethod |
| def test_error_unexpected_value(): |
| with pytest.raises(ArgumentPreprocessingError): |
| preprocess_options( |
| ["--foo", "--bar=spam", "--qu=ux"], {"bar": (None, False)} |
| ) |
| |
| |
| class _CustomPyLinter(PyLinter): |
| # pylint: disable=too-many-ancestors |
| def should_analyze_file(self, modname, path, is_argument=False): |
| if os.path.basename(path) == "wrong.py": |
| return False |
| |
| return super().should_analyze_file(modname, path, is_argument=is_argument) |
| |
| |
| def test_custom_should_analyze_file(): |
| """Check that we can write custom should_analyze_file that work |
| even for arguments. |
| """ |
| package_dir = os.path.join(REGRTEST_DATA_DIR, "bad_package") |
| wrong_file = os.path.join(package_dir, "wrong.py") |
| |
| for jobs in (1, 2): |
| reporter = testutils.GenericTestReporter() |
| linter = _CustomPyLinter() |
| linter.config.jobs = jobs |
| linter.config.persistent = 0 |
| linter.open() |
| linter.set_reporter(reporter) |
| |
| try: |
| sys.path.append(os.path.dirname(package_dir)) |
| linter.check([package_dir, wrong_file]) |
| finally: |
| sys.path.pop() |
| |
| messages = reporter.messages |
| assert len(messages) == 1 |
| assert "invalid syntax" in messages[0] |
| |
| |
| # we do the check with jobs=1 as well, so that we are sure that the duplicates |
| # are created by the multiprocessing problem. |
| @pytest.mark.parametrize("jobs", [1, 2]) |
| def test_multiprocessing(jobs): |
| """Check that multiprocessing does not create duplicates.""" |
| # For the bug (#3584) to show up we need more than one file with issues |
| # per process |
| filenames = [ |
| "special_attr_scope_lookup_crash.py", |
| "syntax_error.py", |
| "unused_variable.py", |
| "wildcard.py", |
| "wrong_import_position.py", |
| ] |
| |
| reporter = testutils.GenericTestReporter() |
| linter = PyLinter() |
| linter.config.jobs = jobs |
| linter.config.persistent = 0 |
| linter.open() |
| linter.set_reporter(reporter) |
| |
| try: |
| sys.path.append(os.path.dirname(REGRTEST_DATA_DIR)) |
| linter.check([os.path.join(REGRTEST_DATA_DIR, fname) for fname in filenames]) |
| finally: |
| sys.path.pop() |
| |
| messages = reporter.messages |
| assert len(messages) == len(set(messages)) |
| |
| |
| def test_filename_with__init__(init_linter): |
| # This tracks a regression where a file whose name ends in __init__.py, |
| # such as flycheck__init__.py, would accidentally lead to linting the |
| # entire containing directory. |
| reporter = testutils.GenericTestReporter() |
| linter = init_linter |
| linter.open() |
| linter.set_reporter(reporter) |
| filepath = join(INPUT_DIR, "not__init__.py") |
| linter.check([filepath]) |
| messages = reporter.messages |
| assert len(messages) == 0 |
| |
| |
| def test_by_module_statement_value(init_linter): |
| """Test "statement" for each module analized of computed correctly.""" |
| linter = init_linter |
| linter.check(os.path.join(os.path.dirname(__file__), "data")) |
| |
| for module, module_stats in linter.stats["by_module"].items(): |
| |
| linter2 = init_linter |
| if module == "data": |
| linter2.check(os.path.join(os.path.dirname(__file__), "data/__init__.py")) |
| else: |
| linter2.check(os.path.join(os.path.dirname(__file__), module)) |
| |
| # Check that the by_module "statement" is equal to the global "statement" |
| # computed for that module |
| assert module_stats["statement"] == linter2.stats["statement"] |
