with self.failUnlessRaises(some_error_class):
do_something()
- The context manager will store the caught exception object in its
- :attr:`exc_value` attribute. This can be useful if the intention
- is to perform additional checks on the exception raised.
-
.. versionchanged:: 3.1
Added the ability to use :meth:`assertRaises` as a context manager.
self.assertRaisesRegexp, Exception,
re.compile('^Expected$'), Stub)
- def testAssertRaisesExcValue(self):
- class ExceptionMock(Exception):
- pass
-
- def Stub(foo):
- raise ExceptionMock(foo)
- v = "particular value"
-
- ctx = self.assertRaises(ExceptionMock)
- with ctx:
- Stub(v)
- e = ctx.exc_value
- self.assertTrue(isinstance(e, ExceptionMock))
- self.assertEqual(e.args[0], v)
-
def testSynonymAssertMethodNames(self):
"""Test undocumented method name synonyms.
if not issubclass(exc_type, self.expected):
# let unexpected exceptions pass through
return False
- self.exc_value = exc_value #store for later retrieval
if self.expected_regex is None:
return True