1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
from asdf import treeutil
def test_get_children():
parent = ["foo", "bar"]
assert treeutil.get_children(parent) == [(0, "foo"), (1, "bar")]
parent = ("foo", "bar")
assert treeutil.get_children(parent) == [(0, "foo"), (1, "bar")]
parent = {"foo": "bar", "ding": "dong"}
assert sorted(treeutil.get_children(parent)) == sorted([("foo", "bar"), ("ding", "dong")])
parent = "foo"
assert treeutil.get_children(parent) == []
parent = None
assert treeutil.get_children(parent) == []
def test_is_container():
for value in [[], {}, tuple()]:
assert treeutil.is_container(value) is True
for value in ["foo", 12, 13.9827]:
assert treeutil.is_container(value) is False
def test_walk_and_modify_shared_references():
target = {"foo": "bar"}
nested_in_dict = {"target": target}
nested_in_list = [target]
tree = {"target": target, "nested_in_dict": nested_in_dict, "nested_in_list": nested_in_list}
assert tree["target"] is tree["nested_in_dict"]["target"]
assert tree["target"] is tree["nested_in_list"][0]
def _callback(node):
if "foo" in node:
return {"foo": "baz"}
else:
return node
result = treeutil.walk_and_modify(tree, _callback)
assert result is not tree
assert result["target"] is not target
assert result["target"]["foo"] == "baz"
assert result["target"] is result["nested_in_dict"]["target"]
assert result["target"] is result["nested_in_list"][0]
|
