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Diffstat (limited to 'venv/Lib/site-packages/pylint/testutils.py')
| -rw-r--r-- | venv/Lib/site-packages/pylint/testutils.py | 298 |
1 files changed, 0 insertions, 298 deletions
diff --git a/venv/Lib/site-packages/pylint/testutils.py b/venv/Lib/site-packages/pylint/testutils.py deleted file mode 100644 index f214208..0000000 --- a/venv/Lib/site-packages/pylint/testutils.py +++ /dev/null @@ -1,298 +0,0 @@ -# Copyright (c) 2012-2014 LOGILAB S.A. (Paris, FRANCE) <contact@logilab.fr> -# Copyright (c) 2012 FELD Boris <lothiraldan@gmail.com> -# Copyright (c) 2013-2017 Claudiu Popa <pcmanticore@gmail.com> -# Copyright (c) 2013-2014 Google, Inc. -# Copyright (c) 2013 buck@yelp.com <buck@yelp.com> -# Copyright (c) 2014 LCD 47 <lcd047@gmail.com> -# Copyright (c) 2014 Brett Cannon <brett@python.org> -# Copyright (c) 2014 Ricardo Gemignani <ricardo.gemignani@gmail.com> -# Copyright (c) 2014 Arun Persaud <arun@nubati.net> -# Copyright (c) 2015 Pavel Roskin <proski@gnu.org> -# Copyright (c) 2015 Ionel Cristian Maries <contact@ionelmc.ro> -# Copyright (c) 2016 Derek Gustafson <degustaf@gmail.com> -# Copyright (c) 2016 Roy Williams <roy.williams.iii@gmail.com> -# Copyright (c) 2016 xmo-odoo <xmo-odoo@users.noreply.github.com> -# Copyright (c) 2017 Bryce Guinta <bryce.paul.guinta@gmail.com> -# Copyright (c) 2018 ssolanki <sushobhitsolanki@gmail.com> -# Copyright (c) 2018 Sushobhit <31987769+sushobhit27@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 - -"""functional/non regression tests for pylint""" -import collections -import contextlib -import functools -import sys -import tempfile -import tokenize -from glob import glob -from io import StringIO -from os import close, getcwd, linesep, remove, sep, write -from os.path import abspath, basename, dirname, join, splitext - -import astroid - -from pylint import checkers -from pylint.interfaces import IReporter -from pylint.lint import PyLinter -from pylint.reporters import BaseReporter -from pylint.utils import ASTWalker - -# Utils - -SYS_VERS_STR = "%d%d%d" % sys.version_info[:3] -TITLE_UNDERLINES = ["", "=", "-", "."] -PREFIX = abspath(dirname(__file__)) - - -def _get_tests_info(input_dir, msg_dir, prefix, suffix): - """get python input examples and output messages - - We use following conventions for input files and messages: - for different inputs: - test for python >= x.y -> input = <name>_pyxy.py - test for python < x.y -> input = <name>_py_xy.py - for one input and different messages: - message for python >= x.y -> message = <name>_pyxy.txt - lower versions -> message with highest num - """ - result = [] - for fname in glob(join(input_dir, prefix + "*" + suffix)): - infile = basename(fname) - fbase = splitext(infile)[0] - # filter input files : - pyrestr = fbase.rsplit("_py", 1)[-1] # like _26 or 26 - if pyrestr.isdigit(): # '24', '25'... - if SYS_VERS_STR < pyrestr: - continue - if pyrestr.startswith("_") and pyrestr[1:].isdigit(): - # skip test for higher python versions - if SYS_VERS_STR >= pyrestr[1:]: - continue - messages = glob(join(msg_dir, fbase + "*.txt")) - # the last one will be without ext, i.e. for all or upper versions: - if messages: - for outfile in sorted(messages, reverse=True): - py_rest = outfile.rsplit("_py", 1)[-1][:-4] - if py_rest.isdigit() and SYS_VERS_STR >= py_rest: - break - else: - # This will provide an error message indicating the missing filename. - outfile = join(msg_dir, fbase + ".txt") - result.append((infile, outfile)) - return result - - -class TestReporter(BaseReporter): - """reporter storing plain text messages""" - - __implements__ = IReporter - - def __init__(self): # pylint: disable=super-init-not-called - - self.message_ids = {} - self.reset() - self.path_strip_prefix = getcwd() + sep - - def reset(self): - self.out = StringIO() - self.messages = [] - - def handle_message(self, msg): - """manage message of different type and in the context of path """ - obj = msg.obj - line = msg.line - msg_id = msg.msg_id - msg = msg.msg - self.message_ids[msg_id] = 1 - if obj: - obj = ":%s" % obj - sigle = msg_id[0] - if linesep != "\n": - # 2to3 writes os.linesep instead of using - # the previosly used line separators - msg = msg.replace("\r\n", "\n") - self.messages.append("%s:%3s%s: %s" % (sigle, line, obj, msg)) - - def finalize(self): - self.messages.sort() - for msg in self.messages: - print(msg, file=self.out) - result = self.out.getvalue() - self.reset() - return result - - # pylint: disable=unused-argument - def on_set_current_module(self, module, filepath): - pass - - # pylint: enable=unused-argument - - def display_reports(self, layout): - """ignore layouts""" - - _display = None - - -class MinimalTestReporter(BaseReporter): - def handle_message(self, msg): - self.messages.append(msg) - - def on_set_current_module(self, module, filepath): - self.messages = [] - - _display = None - - -class Message( - collections.namedtuple("Message", ["msg_id", "line", "node", "args", "confidence"]) -): - def __new__(cls, msg_id, line=None, node=None, args=None, confidence=None): - return tuple.__new__(cls, (msg_id, line, node, args, confidence)) - - def __eq__(self, other): - if isinstance(other, Message): - if self.confidence and other.confidence: - return super(Message, self).__eq__(other) - return self[:-1] == other[:-1] - return NotImplemented # pragma: no cover - - __hash__ = None - - -class UnittestLinter: - """A fake linter class to capture checker messages.""" - - # pylint: disable=unused-argument, no-self-use - - def __init__(self): - self._messages = [] - self.stats = {} - - def release_messages(self): - try: - return self._messages - finally: - self._messages = [] - - def add_message( - self, msg_id, line=None, node=None, args=None, confidence=None, col_offset=None - ): - # Do not test col_offset for now since changing Message breaks everything - self._messages.append(Message(msg_id, line, node, args, confidence)) - - def is_message_enabled(self, *unused_args, **unused_kwargs): - return True - - def add_stats(self, **kwargs): - for name, value in kwargs.items(): - self.stats[name] = value - return self.stats - - @property - def options_providers(self): - return linter.options_providers - - -def set_config(**kwargs): - """Decorator for setting config values on a checker.""" - - def _wrapper(fun): - @functools.wraps(fun) - def _forward(self): - for key, value in kwargs.items(): - setattr(self.checker.config, key, value) - if isinstance(self, CheckerTestCase): - # reopen checker in case, it may be interested in configuration change - self.checker.open() - fun(self) - - return _forward - - return _wrapper - - -class CheckerTestCase: - """A base testcase class for unit testing individual checker classes.""" - - CHECKER_CLASS = None - CONFIG = {} - - def setup_method(self): - self.linter = UnittestLinter() - self.checker = self.CHECKER_CLASS(self.linter) # pylint: disable=not-callable - for key, value in self.CONFIG.items(): - setattr(self.checker.config, key, value) - self.checker.open() - - @contextlib.contextmanager - def assertNoMessages(self): - """Assert that no messages are added by the given method.""" - with self.assertAddsMessages(): - yield - - @contextlib.contextmanager - def assertAddsMessages(self, *messages): - """Assert that exactly the given method adds the given messages. - - The list of messages must exactly match *all* the messages added by the - method. Additionally, we check to see whether the args in each message can - actually be substituted into the message string. - """ - yield - got = self.linter.release_messages() - msg = "Expected messages did not match actual.\n" "Expected:\n%s\nGot:\n%s" % ( - "\n".join(repr(m) for m in messages), - "\n".join(repr(m) for m in got), - ) - assert list(messages) == got, msg - - def walk(self, node): - """recursive walk on the given node""" - walker = ASTWalker(linter) - walker.add_checker(self.checker) - walker.walk(node) - - -# Init -test_reporter = TestReporter() -linter = PyLinter() -linter.set_reporter(test_reporter) -linter.config.persistent = 0 -checkers.initialize(linter) - - -def _tokenize_str(code): - return list(tokenize.generate_tokens(StringIO(code).readline)) - - -@contextlib.contextmanager -def _create_tempfile(content=None): - """Create a new temporary file. - - If *content* parameter is given, then it will be written - in the temporary file, before passing it back. - This is a context manager and should be used with a *with* statement. - """ - # Can't use tempfile.NamedTemporaryFile here - # because on Windows the file must be closed before writing to it, - # see http://bugs.python.org/issue14243 - file_handle, tmp = tempfile.mkstemp() - if content: - # erff - write(file_handle, bytes(content, "ascii")) - try: - yield tmp - finally: - close(file_handle) - remove(tmp) - - -@contextlib.contextmanager -def _create_file_backed_module(code): - """Create an astroid module for the given code, backed by a real file.""" - with _create_tempfile() as temp: - module = astroid.parse(code) - module.file = temp - yield module |