def test_success(transaction_async):
transaction_async.return_value.result.return_value = 42
assert _transaction.transaction("callback") == 42
transaction_async.assert_called_once_with("callback",
read_only=False,
retries=3,
xg=True,
propagation=None)
def test_already_in_transaction(in_context):
with in_context.new(transaction=b"tx123").use():
with pytest.raises(NotImplementedError):
_transaction.transaction(None)
def test_propagation():
with pytest.raises(NotImplementedError):
_transaction.transaction(None, propagation=1)
def test_propagation_nested():
with pytest.raises(exceptions.BadRequestError):
_transaction.transaction(
None, propagation=context_module.TransactionOptions.NESTED
)
