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# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free Software
# Foundation; either version 2 of the License, or (at your option) any later
# version.
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
import sys
import os
from os.path import join, dirname, abspath
import tempfile
import unittest
import six
from pylint.lint import Run
from pylint.reporters import BaseReporter
from pylint.reporters.text import *
from pylint.reporters.html import HTMLReporter
from pylint.reporters.json import JSONReporter
HERE = abspath(dirname(__file__))
class MultiReporter(BaseReporter):
def __init__(self, reporters):
self._reporters = reporters
self.path_strip_prefix = os.getcwd() + os.sep
def on_set_current_module(self, *args, **kwargs):
for rep in self._reporters:
rep.on_set_current_module(*args, **kwargs)
def handle_message(self, msg):
for rep in self._reporters:
rep.handle_message(msg)
def display_results(self, layout):
pass
@property
def out(self):
return self._reporters[0].out
@property
def linter(self):
return self._linter
@linter.setter
def linter(self, value):
self._linter = value
for rep in self._reporters:
rep.linter = value
class RunTC(unittest.TestCase):
def _runtest(self, args, reporter=None, out=None, code=28):
if out is None:
out = six.StringIO()
try:
sys.stderr = sys.stdout = out
try:
Run(args, reporter=reporter)
except SystemExit as ex:
if reporter:
output = reporter.out.getvalue()
elif hasattr(out, 'getvalue'):
output = out.getvalue()
else:
output = None
msg = 'expected output status %s, got %s' % (code, ex.code)
if output is not None:
msg = '%s. Below pylint output: \n%s' % (msg, output)
self.assertEqual(ex.code, code, msg)
else:
self.fail('expected system exit')
finally:
sys.stderr = sys.__stderr__
sys.stdout = sys.__stdout__
def test_pkginfo(self):
"""Make pylint check itself."""
self._runtest(['pylint.__pkginfo__'], reporter=TextReporter(six.StringIO()),
code=0)
def test_all(self):
"""Make pylint check itself."""
reporters = [
TextReporter(six.StringIO()),
HTMLReporter(six.StringIO()),
ColorizedTextReporter(six.StringIO()),
JSONReporter(six.StringIO())
]
self._runtest(['pylint/test/functional/arguments.py'],
reporter=MultiReporter(reporters), code=1)
def test_no_ext_file(self):
self._runtest([join(HERE, 'input', 'noext')], code=0)
def test_w0704_ignored(self):
self._runtest([join(HERE, 'input', 'ignore_except_pass_by_default.py')], code=0)
def test_generate_config_option(self):
self._runtest(['--generate-rcfile'], code=0)
def test_help_message_option(self):
self._runtest(['--help-msg', 'W0101'], code=0)
def test_error_help_message_option(self):
self._runtest(['--help-msg', 'WX101'], code=0)
def test_error_missing_arguments(self):
self._runtest([], code=32)
def test_no_out_encoding(self):
"""test redirection of stdout with non ascii caracters
"""
#This test reproduces bug #48066 ; it happens when stdout is redirected
# through '>' : the sys.stdout.encoding becomes then None, and if the
# output contains non ascii, pylint will crash
if sys.version_info < (3, 0):
strio = tempfile.TemporaryFile()
else:
strio = six.StringIO()
assert strio.encoding is None
self._runtest([join(HERE, 'regrtest_data/no_stdout_encoding.py')],
out=strio)
def test_parallel_execution(self):
self._runtest(['-j 2', 'pylint/test/functional/arguments.py',
'pylint/test/functional/bad_continuation.py'], code=1)
def test_parallel_execution_missing_arguments(self):
self._runtest(['-j 2', 'not_here', 'not_here_too'], code=1)
def test_py3k_option(self):
# Test that --py3k flag works.
rc_code = 2 if six.PY2 else 0
self._runtest([join(HERE, 'functional', 'unpacked_exceptions.py'),
'--py3k'],
code=rc_code)
if __name__ == '__main__':
unittest.main()
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