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"""some pylint test utilities
"""
import os
import sys
from os.path import join, dirname, abspath
import codecs
from logilab.common.testlib import TestCase
from astroid import MANAGER
def _astroid_wrapper(func, modname):
return func(modname)
def _sorted_file(path):
# we don't care about the actual encoding, but python3 forces us to pick one
lines = [line.strip() for line in codecs.open(path, encoding='latin1').readlines()
if (line.find('squeleton generated by ') == -1 and
not line.startswith('__revision__ = "$Id:'))]
lines = [line for line in lines if line]
lines.sort()
return '\n'.join(lines)
def get_project(module, name=None):
"""return a astroid project representation
"""
manager = MANAGER
# flush cache
manager._modules_by_name = {}
return manager.project_from_files([module], _astroid_wrapper,
project_name=name)
DEFAULTS = {'all_ancestors': None, 'show_associated': None,
'module_names': None,
'output_format': 'dot', 'diadefs_file': None, 'quiet': 0,
'show_ancestors': None, 'classes': (), 'all_associated': None,
'mode': 'PUB_ONLY', 'show_builtin': False, 'only_classnames': False}
class Config(object):
"""config object for tests"""
def __init__(self):
for attr, value in DEFAULTS.items():
setattr(self, attr, value)
class FileTC(TestCase):
"""base test case for testing file output"""
generated_files = ()
def setUp(self):
self.expected_files = [join(dirname(abspath(__file__)), 'data', file)
for file in self.generated_files]
def tearDown(self):
for fname in self.generated_files:
try:
os.remove(fname)
except:
continue
def _test_same_file(self, index):
generated_file = self.generated_files[index]
expected_file = self.expected_files[index]
generated = _sorted_file(generated_file)
expected = _sorted_file(expected_file)
from difflib import unified_diff
files = "\n *** expected : %s, generated : %s \n" % (
expected_file, generated_file)
self.assertEqual(expected, generated, '%s%s' % (
files, '\n'.join(line for line in unified_diff(
expected.splitlines(), generated.splitlines() ))) )
os.remove(generated_file)
def build_file_case(filetc):
for i in range(len(filetc.generated_files)):
setattr(filetc, 'test_same_file_%s' %i,
lambda self, index=i: self._test_same_file(index))
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