/usr/lib/python2.7/dist-packages/nose2/tests/_common.py is in python-nose2 0.5.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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import os.path
import tempfile
import shutil
import subprocess
import sys
import six
from nose2.compat import unittest
from nose2 import discover, util
HERE = os.path.abspath(os.path.dirname(__file__))
SUPPORT = os.path.join(HERE, 'functional', 'support')
class TestCase(unittest.TestCase):
"""TestCase extension.
If the class variable _RUN_IN_TEMP is True (default: False), tests will be
performed in a temporary directory, which is deleted afterwards.
"""
_RUN_IN_TEMP = False
def setUp(self):
super(TestCase, self).setUp()
if self._RUN_IN_TEMP:
self._orig_dir = os.getcwd()
work_dir = self._work_dir = tempfile.mkdtemp()
os.chdir(self._work_dir)
# Make sure it's possible to import modules from current directory
sys.path.insert(0, work_dir)
def tearDown(self):
super(TestCase, self).tearDown()
if self._RUN_IN_TEMP:
os.chdir(self._orig_dir)
shutil.rmtree(self._work_dir, ignore_errors=True)
class FunctionalTestCase(unittest.TestCase):
tags = ['functional']
def assertTestRunOutputMatches(self, proc, stdout=None, stderr=None):
cmd_stdout, cmd_stderr = None, None
try:
cmd_stdout, cmd_stderr = self._output[proc.pid]
except AttributeError:
self._output = {}
except KeyError:
pass
if cmd_stdout is None:
cmd_stdout, cmd_stderr = proc.communicate()
self._output[proc.pid] = cmd_stdout, cmd_stderr
testf = self.assertRegex if hasattr(self, 'assertRegex') \
else self.assertRegexpMatches
if stdout:
testf(util.safe_decode(cmd_stdout), stdout)
if stderr:
testf(util.safe_decode(cmd_stderr), stderr)
def runIn(self, testdir, *args, **kw):
return run_nose2(*args, cwd=testdir, **kw)
def runModuleAsMain(self, testmodule):
return run_module_as_main(testmodule)
class _FakeEventBase(object):
"""Baseclass for fake Events."""
def __init__(self):
self.handled = False
self.version = '0.1'
self.metadata = {}
class FakeHandleFileEvent(_FakeEventBase):
"""Fake HandleFileEvent."""
def __init__(self, name):
super(FakeHandleFileEvent, self).__init__()
self.loader = Stub() # FIXME
self.name = name
self.path = os.path.split(name)[1]
self.extraTests = []
class FakeStartTestEvent(_FakeEventBase):
"""Fake StartTestEvent."""
def __init__(self, test):
super(FakeStartTestEvent, self).__init__()
self.test = test
self.result = test.defaultTestResult()
import time
self.startTime = time.time()
class FakeLoadFromNameEvent(_FakeEventBase):
"""Fake LoadFromNameEvent."""
def __init__(self, name):
super(FakeLoadFromNameEvent, self).__init__()
self.name = name
class FakeLoadFromNamesEvent(_FakeEventBase):
"""Fake LoadFromNamesEvent."""
def __init__(self, names):
super(FakeLoadFromNamesEvent, self).__init__()
self.names = names
class FakeStartTestRunEvent(_FakeEventBase):
"""Fake StartTestRunEvent"""
def __init__(self, runner=None, suite=None, result=None, startTime=None,
executeTests=None):
super(FakeStartTestRunEvent, self).__init__()
self.suite = suite
self.runner = runner
self.result = result
self.startTime = startTime
self.executeTests = executeTests
class Stub(object):
"""Stub object for use in tests"""
def __getattr__(self, attr):
return Stub()
def __call__(self, *arg, **kw):
return Stub()
def support_file(*path_parts):
return os.path.abspath(os.path.join(SUPPORT, *path_parts))
def run_nose2(*nose2_args, **nose2_kwargs):
if 'cwd' in nose2_kwargs:
cwd = nose2_kwargs.pop('cwd')
if not os.path.isabs(cwd):
nose2_kwargs['cwd'] = support_file(cwd)
return NotReallyAProc(nose2_args, **nose2_kwargs)
def run_module_as_main(test_module):
if not os.path.isabs(test_module):
test_module = support_file(test_module)
return subprocess.Popen([sys.executable, test_module],
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
class NotReallyAProc(object):
def __init__(self, args, cwd=None, **kwargs):
self.args = args
self.chdir = cwd
self.kwargs = kwargs
self.result = None
def __enter__(self):
self._stdout = sys.__stdout__
self._stderr = sys.__stderr__
self.cwd = os.getcwd()
if self.chdir:
os.chdir(self.chdir)
self.stdout = sys.stdout = sys.__stdout__ = six.StringIO()
self.stderr = sys.stderr = sys.__stderr__ = six.StringIO()
return self
def __exit__(self, exc_type, exc_val, exc_tb):
sys.stdout = sys.__stdout__ = self._stdout
sys.stderr = sys.__stderr__ = self._stderr
if self.chdir:
os.chdir(self.cwd)
return False
def communicate(self):
with self:
try:
self.result = discover(
argv=('nose2',) + self.args, exit=False,
**self.kwargs)
except SystemExit as e:
pass
return self.stdout.getvalue(), self.stderr.getvalue()
@property
def pid(self):
return id(self)
def poll(self):
if self.result is None:
return 1
return not self.result.result.wasSuccessful()
class RedirectStdStreams(object):
"""
Context manager that replaces the stdin/out streams with StringIO
buffers.
"""
def __init__(self):
self.stdout = six.StringIO()
self.stderr = six.StringIO()
def __enter__(self):
self.old_stdout, self.old_stderr = sys.stdout, sys.stderr
self.old_stdout.flush()
self.old_stderr.flush()
sys.stdout, sys.stderr = self.stdout, self.stderr
return self
def __exit__(self, exc_type, exc_value, traceback):
self.stdout.flush()
self.stderr.flush()
sys.stdout = self.old_stdout
sys.stderr = self.old_stderr
# mock multprocessing Connection
class Conn(object):
def __init__(self, items):
self.items = items
self.sent = []
self.closed = False
def recv(self):
if self.closed:
raise EOFError("closed")
try:
return self.items.pop(0)
except:
raise EOFError("EOF")
def send(self, item):
self.sent.append(item)
def close(self):
self.closed = True
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