def test_trapReturns(self):
"""
The C{trap} method is like C{check} in that it returns the passed
exception type that matches the failure's value.
"""
failure = SynchronousFailure(RuntimeError())
self.assertEquals(failure.trap(ZeroDivisionError, RuntimeError),
RuntimeError)
def test_check(self):
"""
Check accepts multiple exception types, and returns the exception type
which matched.
"""
failure = SynchronousFailure(RuntimeError())
self.assertEquals(failure.check(ZeroDivisionError, RuntimeError),
RuntimeError)
def test_getExceptionFromEnvironment(self):
"""
SynchronousFailure infers the current exception and traceback from the
environment.
"""
try:
1/0
except:
failure = SynchronousFailure()
self.assertTrue(failure.check(ZeroDivisionError))
def test_raiseException(self):
"""
C{raiseException} raises the original exception, including traceback.
"""
try:
1/0
except:
failure = SynchronousFailure()
try:
failure.raiseException()
except ZeroDivisionError, e:
tb = traceback.extract_tb(sys.exc_info()[2])
innerline = tb[-1][-1]
def test_passInException(self):
"""
SynchronousFailure takes an Exception instance as its parameter.
"""
failure = SynchronousFailure(RuntimeError("hello"))
self.assertTrue(failure.check(RuntimeError))