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"""Tests for normalize_host function."""
import pytest
from url_normalize.url_normalize import normalize_host
@pytest.mark.parametrize(
("host", "expected"),
[
# Basic cases
("site.com", "site.com"),
("SITE.COM", "site.com"),
("site.com.", "site.com"),
# Cyrillic domains
("пример.испытание", "xn--e1afmkfd.xn--80akhbyknj4f"),
# Mixed case with Cyrillic
("ExAmPle.РФ", "example.xn--p1ai"),
# IDNA2008 with UTS46
("faß.de", "fass.de"), # Normalize using transitional rules
# Edge cases
("ドメイン.テスト", "xn--eckwd4c7c.xn--zckzah"), # Japanese
("domain.café", "domain.xn--caf-dma"), # Latin with diacritic
# Normalization tests
("über.example", "xn--ber-goa.example"), # IDNA 2008 for umlaut
("example。com", "example.com"), # Normalize full-width punctuation
],
)
def test_normalize_host_result_is_expected(host: str, expected: str) -> None:
"""Assert we got expected results from the normalize_host function."""
result = normalize_host(host)
assert result == expected, host
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