from router_scraper import RouterScraper


class TestParseInt:
    def test_simple_number(self):
        assert RouterScraper._parse_int("123") == 123

    def test_with_commas(self):
        assert RouterScraper._parse_int("1,234,567") == 1234567

    def test_with_whitespace(self):
        assert RouterScraper._parse_int("  456  ") == 456

    def test_invalid_returns_zero(self):
        assert RouterScraper._parse_int("not a number") == 0
        assert RouterScraper._parse_int("") == 0


class TestNormalizeInterfaceName:
    def test_lan_ports(self):
        scraper = RouterScraper.__new__(RouterScraper)
        assert scraper._normalize_interface_name("LAN 1") == "lan_1"
        assert scraper._normalize_interface_name("lan 2") == "lan_2"

    def test_wifi_bands(self):
        scraper = RouterScraper.__new__(RouterScraper)
        assert scraper._normalize_interface_name("2.4 GHz") == "wifi_2.4ghz"
        assert scraper._normalize_interface_name("5.0 GHz Radio 1") == "wifi_5ghz_radio1"

    def test_unknown_returns_none(self):
        scraper = RouterScraper.__new__(RouterScraper)
        assert scraper._normalize_interface_name("Unknown Interface") is None