from __future__ import annotations

import urllib.parse

import pytest

parse_qsl_semicolon_cases = [

("&", []),

("&&", []),

("&a=b", [("a", "b")]),

("a=a+b&b=b+c", [("a", "a b"), ("b", "b c")]),

("a=1&a=2", [("a", "1"), ("a", "2")]),

("a=", [("a", "")]),

("a=foo bar&b=bar foo", [("a", "foo bar"), ("b", "bar foo")]),

("a=foo%20bar&b=bar%20foo", [("a", "foo bar"), ("b", "bar foo")]),

("a=%20%21%22%23%24%25%26%27%28%29%2A%2B%2C%2F%3A%3B%3D%3F%40%5B%5D", [("a", " !\"#$%&'()*+,/:;=?@[]")]),

]

@pytest.mark.parametrize(("qs", "expected"), parse_qsl_semicolon_cases)

def test_qsl(qs: str, expected: list[tuple[bytes, bytes]]):

assert urllib.parse.parse_qsl(qs, keep_blank_values=True) == expected