1"""
2Tests for `javascript_data_files.decoder`.
3"""
4
5import pytest
6
7from javascript_data_files.decoder import decode_from_json
8
9
10@pytest.mark.parametrize(
11    "json_string",
12    [
13        '{ "sides": 3, "sides": 4 }',
14        '{ "sides": 3, "colour": "blue", "sides": 4 }',
15        '[{ "nested": { "sides": 3, "sides": 4 } }]',
16    ],
17)
18def test_object_with_duplicate_names_is_rejected(json_string: str) -> None:
19    """
20    Trying to decode a JavaScript string which includes an object
21    with duplicate names throws a ValueError.
22    """
23    with pytest.raises(ValueError, match="Found duplicate name in JSON object: sides"):
24        decode_from_json(json_string)
25
26
27def test_object_with_multiple_duplicate_names_is_rejected() -> None:
28    """
29    Trying to decode a JavaScript string which includes an object
30    with multiple duplicate names throws a ValueError.
31    """
32    with pytest.raises(ValueError, match="Found duplicate names in JSON object:"):
33        decode_from_json(
34            '{ "sides": 3, "colour": "blue", "sides": 4, "colour": "red" }'
35        )