import pytest
from void_workers.safe_fetch import safe_fetch, SafeFetchError


def test_rejects_file_scheme():
    with pytest.raises(SafeFetchError):
        safe_fetch("file:///etc/passwd")


def test_rejects_loopback():
    with pytest.raises(SafeFetchError):
        safe_fetch("http://127.0.0.1/x")


def test_rejects_rfc1918():
    with pytest.raises(SafeFetchError):
        safe_fetch("http://192.168.1.1/x")


def test_rejects_metadata_endpoint():
    with pytest.raises(SafeFetchError):
        safe_fetch("http://169.254.169.254/latest/")


def test_rejects_cgnat():
    with pytest.raises(SafeFetchError):
        safe_fetch("http://100.64.0.1/x")