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# Copyright (c) 2003-2007 LOGILAB S.A. (Paris, FRANCE).
# 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.,
# 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
import sys
import os
import tempfile
from shutil import rmtree
from os.path import join, basename, dirname, isdir, abspath
from cStringIO import StringIO
from logilab.common.testlib import TestCase, unittest_main, create_files
from logilab.common.compat import sorted, reload
from pylint import config
from pylint.lint import PyLinter, Run, UnknownMessage
from pylint.utils import sort_msgs
from pylint import checkers
class SortMessagesTC(TestCase):
def test(self):
l = ['E0501', 'E0503', 'F0002', 'I0201', 'W0540',
'R0202', 'F0203', 'R0220', 'W0321', 'I0001']
self.assertEqual(sort_msgs(l), ['E0501', 'E0503',
'W0321', 'W0540',
'R0202', 'R0220',
'I0001', 'I0201',
'F0002', 'F0203',])
try:
optimized = True
raise AssertionError
except AssertionError:
optimized = False
class GetNoteMessageTC(TestCase):
def test(self):
msg = None
for note in range(-1, 11):
note_msg = config.get_note_message(note)
self.assertNotEqual(msg, note_msg)
msg = note_msg
if optimized:
self.assertRaises(AssertionError, config.get_note_message, 11)
HERE = abspath(dirname(__file__))
INPUTDIR = join(HERE, 'input')
class RunTC(TestCase):
def _test_run(self, args, exit_code=1, no_exit_fail=True):
sys.stdout = sys.sterr = StringIO()
try:
try:
Run(args)
except SystemExit, ex:
print sys.stdout.getvalue()
self.assertEqual(ex.code, exit_code)
else:
if no_exit_fail:
self.fail()
finally:
sys.stdout = sys.__stdout__
sys.stderr = sys.__stderr__
class PyLinterTC(TestCase):
def setUp(self):
self.linter = PyLinter()
self.linter.disable('I')
self.linter.config.persistent = 0
# register checkers
checkers.initialize(self.linter)
def test_message_help(self):
msg = self.linter.get_message_help('F0001', checkerref=True)
expected = ':F0001:\n Used when an error occurred preventing the analysis of a module (unable to\n find it for instance). This message belongs to the master checker.'
self.assertMultiLineEqual(msg, expected)
self.assertRaises(UnknownMessage, self.linter.get_message_help, 'YB12')
def test_enable_message(self):
linter = self.linter
linter.open()
linter.set_current_module('toto')
self.assert_(linter.is_message_enabled('W0101'))
self.assert_(linter.is_message_enabled('W0102'))
linter.disable('W0101', scope='package')
linter.disable('W0102', scope='module', line=1)
self.assert_(not linter.is_message_enabled('W0101'))
self.assert_(not linter.is_message_enabled('W0102', 1))
linter.set_current_module('tutu')
self.assert_(not linter.is_message_enabled('W0101'))
self.assert_(linter.is_message_enabled('W0102'))
linter.enable('W0101', scope='package')
linter.enable('W0102', scope='module', line=1)
self.assert_(linter.is_message_enabled('W0101'))
self.assert_(linter.is_message_enabled('W0102', 1))
def test_enable_message_category(self):
linter = self.linter
linter.open()
linter.set_current_module('toto')
self.assert_(linter.is_message_enabled('W0101'))
self.assert_(linter.is_message_enabled('C0121'))
linter.disable('W', scope='package')
linter.disable('C', scope='module', line=1)
self.assert_(not linter.is_message_enabled('W0101'))
self.assert_(linter.is_message_enabled('C0121'))
self.assert_(not linter.is_message_enabled('C0121', line=1))
linter.set_current_module('tutu')
self.assert_(not linter.is_message_enabled('W0101'))
self.assert_(linter.is_message_enabled('C0121'))
linter.enable('W', scope='package')
linter.enable('C', scope='module', line=1)
self.assert_(linter.is_message_enabled('W0101'))
self.assert_(linter.is_message_enabled('C0121'))
self.assert_(linter.is_message_enabled('C0121', line=1))
def test_enable_message_block(self):
linter = self.linter
linter.open()
filepath = join(INPUTDIR, 'func_block_disable_msg.py')
linter.set_current_module('func_block_disable_msg')
linter.process_module(open(filepath))
orig_state = linter._module_msgs_state.copy()
linter._module_msgs_state = {}
linter.collect_block_lines(linter.get_astng(filepath, 'func_block_disable_msg'), orig_state)
# global (module level)
self.assert_(linter.is_message_enabled('W0613'))
self.assert_(linter.is_message_enabled('E1101'))
# meth1
self.assert_(linter.is_message_enabled('W0613', 13))
# meth2
self.assert_(not linter.is_message_enabled('W0613', 18))
# meth3
self.assert_(not linter.is_message_enabled('E1101', 24))
self.assert_(linter.is_message_enabled('E1101', 26))
# meth4
self.assert_(not linter.is_message_enabled('E1101', 32))
self.assert_(linter.is_message_enabled('E1101', 36))
# meth5
self.assert_(not linter.is_message_enabled('E1101', 42))
self.assert_(not linter.is_message_enabled('E1101', 43))
self.assert_(linter.is_message_enabled('E1101', 46))
self.assert_(not linter.is_message_enabled('E1101', 49))
self.assert_(not linter.is_message_enabled('E1101', 51))
# meth6
self.assert_(not linter.is_message_enabled('E1101', 57))
self.assert_(linter.is_message_enabled('E1101', 61))
self.assert_(not linter.is_message_enabled('E1101', 64))
self.assert_(not linter.is_message_enabled('E1101', 66))
self.assert_(linter.is_message_enabled('E0602', 57))
self.assert_(linter.is_message_enabled('E0602', 61))
self.assert_(not linter.is_message_enabled('E0602', 62))
self.assert_(linter.is_message_enabled('E0602', 64))
self.assert_(linter.is_message_enabled('E0602', 66))
# meth7
self.assert_(not linter.is_message_enabled('E1101', 70))
self.assert_(linter.is_message_enabled('E1101', 72))
self.assert_(linter.is_message_enabled('E1101', 75))
self.assert_(linter.is_message_enabled('E1101', 77))
def test_list_messages(self):
sys.stdout = StringIO()
try:
# just invoke it, don't check the output
self.linter.list_messages()
finally:
sys.stdout = sys.__stdout__
def test_lint_ext_module_with_file_output(self):
if sys.version_info < (3, 0):
strio = 'StringIO'
else:
strio = 'io'
self.linter.config.files_output = True
pylint_strio = 'pylint_%s.txt' % strio
try:
self.linter.check(strio)
self.assert_(os.path.exists(pylint_strio))
self.assert_(os.path.exists('pylint_global.txt'))
finally:
try:
os.remove(pylint_strio)
os.remove('pylint_global.txt')
except:
pass
def test_enable_report(self):
self.assertEqual(self.linter.is_report_enabled('RP0001'), True)
self.linter.disable('RP0001')
self.assertEqual(self.linter.is_report_enabled('RP0001'), False)
self.linter.enable('RP0001')
self.assertEqual(self.linter.is_report_enabled('RP0001'), True)
def test_set_option_1(self):
linter = self.linter
linter.set_option('disable', 'C0111,W0142')
self.assert_(not linter.is_message_enabled('C0111'))
self.assert_(not linter.is_message_enabled('W0142'))
self.assert_(linter.is_message_enabled('W0113'))
def test_set_option_2(self):
linter = self.linter
linter.set_option('disable', ('C0111', 'W0142') )
self.assert_(not linter.is_message_enabled('C0111'))
self.assert_(not linter.is_message_enabled('W0142'))
self.assert_(linter.is_message_enabled('W0113'))
def test_enable_checkers(self):
self.linter.disable('design')
self.failIf('design' in set([c.name for c in self.linter._get_checkers()]))
self.linter.enable('design')
self.failUnless('design' in set([c.name for c in self.linter._get_checkers()]))
class ConfigTC(TestCase):
def setUp(self):
os.environ.pop('PYLINTRC', None)
def test_pylint_home(self):
uhome = os.path.expanduser('~')
if uhome == '~':
expected = '.pylint.d'
else:
expected = os.path.join(uhome, '.pylint.d')
self.assertEqual(config.PYLINT_HOME, expected)
try:
pylintd = join(tempfile.gettempdir(), '.pylint.d')
os.environ['PYLINTHOME'] = pylintd
try:
reload(config)
self.assertEqual(config.PYLINT_HOME, pylintd)
finally:
try:
os.remove(pylintd)
except:
pass
finally:
del os.environ['PYLINTHOME']
def test_pylintrc(self):
fake_home = tempfile.mkdtemp('fake-home')
home = os.environ['HOME']
try:
os.environ['HOME'] = fake_home
self.assertEqual(config.find_pylintrc(), None)
os.environ['PYLINTRC'] = join(tempfile.gettempdir(), '.pylintrc')
self.assertEqual(config.find_pylintrc(), None)
os.environ['PYLINTRC'] = '.'
self.assertEqual(config.find_pylintrc(), None)
finally:
os.environ.pop('PYLINTRC', '')
os.environ['HOME'] = home
rmtree(fake_home, ignore_errors=True)
reload(config)
def test_pylintrc_parentdir(self):
chroot = tempfile.mkdtemp()
try:
create_files(['a/pylintrc', 'a/b/__init__.py', 'a/b/pylintrc',
'a/b/c/__init__.py', 'a/b/c/d/__init__.py'], chroot)
os.chdir(chroot)
fake_home = tempfile.mkdtemp('fake-home')
home = os.environ['HOME']
try:
os.environ['HOME'] = fake_home
self.assertEqual(config.find_pylintrc(), None)
finally:
os.environ['HOME'] = home
os.rmdir(fake_home)
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'),
}
for basedir, expected in results.items():
os.chdir(join(chroot, basedir))
self.assertEqual(config.find_pylintrc(), expected)
finally:
os.chdir(HERE)
rmtree(chroot)
def test_pylintrc_parentdir_no_package(self):
chroot = tempfile.mkdtemp()
fake_home = tempfile.mkdtemp('fake-home')
home = os.environ['HOME']
os.environ['HOME'] = fake_home
try:
create_files(['a/pylintrc', 'a/b/pylintrc', 'a/b/c/d/__init__.py'], chroot)
os.chdir(chroot)
self.assertEqual(config.find_pylintrc(), 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))
self.assertEqual(config.find_pylintrc(), expected)
finally:
os.environ['HOME'] = home
rmtree(fake_home, ignore_errors=True)
os.chdir(HERE)
rmtree(chroot)
if __name__ == '__main__':
unittest_main()
|
