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import unittest
from unittest.mock import Mock, patch
from mopidy.internal import network
class TryIPv6SocketTest(unittest.TestCase):
@patch("socket.has_ipv6", False)
def test_system_that_claims_no_ipv6_support(self):
assert not network.try_ipv6_socket()
@patch("socket.has_ipv6", True)
@patch("socket.socket")
def test_system_with_broken_ipv6(self, socket_mock):
socket_mock.side_effect = IOError()
assert not network.try_ipv6_socket()
@patch("socket.has_ipv6", True)
@patch("socket.socket")
def test_with_working_ipv6(self, socket_mock):
socket_mock.return_value = Mock()
assert network.try_ipv6_socket()
class FormatHostnameTest(unittest.TestCase):
@patch("mopidy.internal.network.has_ipv6", True)
def test_format_hostname_prefixes_ipv4_addresses_when_ipv6_available(self):
network.has_ipv6 = True
assert network.format_hostname("0.0.0.0") == "::ffff:0.0.0.0"
assert network.format_hostname("1.0.0.1") == "::ffff:1.0.0.1"
@patch("mopidy.internal.network.has_ipv6", False)
def test_format_hostname_does_nothing_when_only_ipv4_available(self):
network.has_ipv6 = False
assert network.format_hostname("0.0.0.0") == "0.0.0.0"
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