def test_update_invalid_nested_fields(self) -> None:
n = Nested1(a=Nested2(b=Nested3(c=easy(val=42, name="foo"))))
with self.assertRaises(ValueError):
Struct.update_nested_field(n, {"": 0})
with self.assertRaises(ValueError):
Struct.update_nested_field(n, {"e": 0})
with self.assertRaises(ValueError):
Struct.update_nested_field(n, {"a.b.e": 0})
with self.assertRaises(ValueError):
Struct.update_nested_field(n, {"a.e.f": 0})
def test_update_conflicting_nested_fields(self) -> None:
n = Nested1(a=Nested2(b=Nested3(c=easy(val=42, name="foo"))))
with self.assertRaises(ValueError):
n = Struct.update_nested_field(
n,
{
"a.b.c": easy(val=128),
"a.b.c.val": 256,
},
)
def test_update_multiple_nested_fields(self) -> None:
n = Nested1(a=Nested2(b=Nested3(c=easy(val=42, name="foo"))))
n = Struct.update_nested_field(
n,
{
"a.b.c.name": "bar",
"a.b.c.val": 256,
},
)
self.assertEqual(n.a.b.c.name, "bar")
self.assertEqual(n.a.b.c.val, 256)
def test_update_nested_fields(self) -> None:
n = Nested1(a=Nested2(b=Nested3(c=easy(val=42, name="foo"))))
n = Struct.update_nested_field(n, {"a.b.c": easy(val=128)})
self.assertEqual(n.a.b.c.val, 128)
