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"""Helpers for tests."""
from typing import Any
def assert_only_unstructured(obj: Any):
"""Assert the object is comprised of only unstructured data:
* dicts, lists, tuples
* strings, ints, floats, bools, None
"""
if isinstance(obj, dict):
for k, v in obj.items():
assert_only_unstructured(k)
assert_only_unstructured(v)
elif isinstance(obj, (list, tuple, frozenset, set)):
for e in obj:
assert_only_unstructured(e)
else:
assert isinstance(obj, (int, float, str, bool, type(None)))
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