def test_raises_for_builtins(cls):
obj = cls()
with pytest.raises(TypeError):
resolve_obj(obj, ['__class__'])
def test_object_with_none_is_treated_as_a_regular_default_value(obj):
r = resolve_obj(obj, ['abc', 'dez', 'xyz'], None)
assert r is None
def test_object_with_empty_path(obj):
r = resolve_obj(obj, [])
assert r == obj
assert r is obj
def test_object_with_nonmapping_with_default(obj):
r = resolve_obj(obj, ['key', 'sub'], default)
assert r is default
def test_object_with_nonmapping_with_no_default(obj):
with pytest.raises(TypeError):
resolve_obj(obj, ['key', 'sub'])
def test_object_with_inexistent_key_with_default(obj, key):
r = resolve_obj(obj, key, default)
assert r is default
def test_object_with_inexistent_key_with_no_default(obj, key):
with pytest.raises(AttributeError):
resolve_obj(obj, key)
def test_object_with_existent_key_with_default(obj):
r = resolve_obj(obj, ['abc', 'dez', 'hij'], default)
assert r == 'val'