"""Тесты контрольной суммы CRM-запросов. Без сети."""

from __future__ import annotations

import hashlib

from app.services.crm.checksum import compute_md5sum


class TestComputeMd5sum:
    def test_matches_manual_calculation_for_flat_payload(self) -> None:
        payload = {"b": "2", "a": "1"}
        expected = hashlib.md5(b"12secret").hexdigest()
        assert compute_md5sum(payload, "secret") == expected

    def test_sorts_nested_keys_before_concatenating(self) -> None:
        payload = {"params": {"z": "1", "a": "2"}, "apikey": "k"}
        # sorted top-level: apikey, params -> "k" then sorted nested (a,z) -> "2","1"
        expected = hashlib.md5(b"k21secret").hexdigest()
        assert compute_md5sum(payload, "secret") == expected

    def test_true_becomes_one_and_false_becomes_empty_string(self) -> None:
        payload = {"a": True, "b": False}
        expected = hashlib.md5(b"1secret").hexdigest()
        assert compute_md5sum(payload, "secret") == expected

    def test_different_payloads_give_different_sums(self) -> None:
        assert compute_md5sum({"a": "1"}, "secret") != compute_md5sum({"a": "2"}, "secret")