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import logging
import unittest
from traceback import format_tb
from nose.pyversion import is_base_exception
log = logging.getLogger(__name__)
__all__ = ['Failure']
class Failure(unittest.TestCase):
"""Unloadable or unexecutable test.
A Failure case is placed in a test suite to indicate the presence of a
test that could not be loaded or executed. A common example is a test
module that fails to import.
"""
__test__ = False # do not collect
def __init__(self, exc_class, exc_val, tb=None, address=None):
log.debug("A failure! %s %s %s", exc_class, exc_val, format_tb(tb))
self.exc_class = exc_class
self.exc_val = exc_val
self.tb = tb
self._address = address
unittest.TestCase.__init__(self)
def __str__(self):
return "Failure: %s (%s)" % (
getattr(self.exc_class, '__name__', self.exc_class), self.exc_val)
def address(self):
return self._address
def runTest(self):
if self.tb is not None:
if is_base_exception(self.exc_val):
raise self.exc_val, None, self.tb
raise self.exc_class, self.exc_val, self.tb
else:
raise self.exc_class(self.exc_val)
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