def test_find_schema_from_ref_invalid_path():
flattener = JsonSchemaFlattener({"a": "b"})
ref = ("b", )
with pytest.raises(FlatteningError) as excinfo:
flattener._find_subschema_by_ref(ref)
assert str(ref) in str(excinfo.value)
def test_find_schema_from_ref_valid_path(path, subschema):
test_schema = {"a": {"b": {"c": "d"}}}
flattener = JsonSchemaFlattener(test_schema)
found, _, _ = flattener._find_subschema_by_ref(path)
assert found == subschema
