def test_inner_exception_preserved_in_retryrequest(self):
try:
exc = ValueError('test')
with db_api.exc_to_retry(ValueError):
raise exc
except db_exc.RetryRequest as e:
self.assertEqual(exc, e.inner_exc)
def test_retries_on_multi_exception_containing_target(self):
with testtools.ExpectedException(db_exc.RetryRequest):
with db_api.exc_to_retry(ValueError):
e = exceptions.MultipleExceptions([ValueError(), TypeError()])
raise e
def test_passes_other_exceptions(self):
with testtools.ExpectedException(ValueError):
with db_api.exc_to_retry(TypeError):
raise ValueError()
def test_translates_DBerror_inner_exception(self):
with testtools.ExpectedException(db_exc.RetryRequest):
with db_api.exc_to_retry(ValueError):
raise db_exc.DBError(ValueError())
def test_translates_multiple_exception_types(self):
with testtools.ExpectedException(db_exc.RetryRequest):
with db_api.exc_to_retry((ValueError, TypeError)):
raise TypeError()
def test_translates_single_exception(self):
with testtools.ExpectedException(db_exc.RetryRequest):
with db_api.exc_to_retry(ValueError):
raise ValueError()
