def test_xq_instantiate_without_expr(self):
cls = xso_query.Class()
with contextlib.ExitStack() as stack:
ContextInstance = stack.enter_context(
unittest.mock.patch("aioxmpp.xso.query.ContextInstance"))
result = cls.xq_instantiate()
ContextInstance.assert_called_with(cls, )
self.assertEqual(result, ContextInstance())
def test_xq_instantiate(self):
expr = unittest.mock.sentinel.expr
cls = xso_query.Class()
with contextlib.ExitStack() as stack:
GetInstances = stack.enter_context(
unittest.mock.patch("aioxmpp.xso.query.GetInstances"))
result = cls.xq_instantiate(expr)
GetInstances.assert_called_with(
expr,
cls,
)
self.assertEqual(result, GetInstances())
def test_as_expr_recursively_resolves_lhses(self):
new_lhs = unittest.mock.sentinel.new_lhs
cls = xso_query.Class()
descriptor = xso_query.BoundDescriptor(
cls,
unittest.mock.sentinel.descriptor,
xso_query.GetDescriptor,
)
result = xso_query.as_expr(descriptor, lhs=new_lhs)
self.assertIsInstance(
result,
xso_query.GetDescriptor,
)
self.assertEqual(
result.descriptor,
unittest.mock.sentinel.descriptor,
)
self.assertIsInstance(
result.expr,
xso_query.GetInstances,
)
self.assertEqual(
result.expr.class_,
cls,
)
self.assertEqual(
result.expr.expr,
new_lhs,
)
def test_init(self):
xso_query.Class()
