def test_hostname_with_port_path_and_protocol(self):
"""get_host_from_address returns hostname for hostname with port and path"""
result = get_host_from_address('https://hostname:8888/somewhere/else/')
self.assertEqual(result, 'hostname')
def test_hostname_with_port(self):
"""get_host_from_address returns hostname for hostname with port"""
result = get_host_from_address('hostname:8888')
self.assertEqual(result, 'hostname')
def test_hostname_with_trailing_slash(self):
"""get_host_from_address returns hostname for hostname with trailing slash"""
result = get_host_from_address('//hostname')
self.assertEqual(result, 'hostname')
def test_hostname(self):
"""get_host_from_address returns hostname unchanged"""
result = get_host_from_address('hostname')
self.assertEqual(result, 'hostname')
def test_empty_string(self):
"""get_host_from_address returns None for empty string"""
result = get_host_from_address('')
self.assertIsNone(result)
def test_none(self):
"""get_host_from_address returns None for None"""
result = get_host_from_address(None)
self.assertIsNone(result)
