def test_supported_encode_tlv():
'''Test inocybe_dhcp.options.Supported encodes tlv options'''
supported = Supported()
supported.add(_MockTlv('three', 3, 'foobar', b'\x05\x06\x07\x08'))
### encode of registered option with "good" value
assert_equal([{
'tag': 3,
'length': 4,
'value': b'\x05\x06\x07\x08',
}], supported.encode([{
'option': 'three',
'value': 'baz',
}]))
### encode of registered option with "bad" value
assert_equal([{
'option': 'three',
'value': 'foobar',
}], supported.encode([{
'option': 'three',
'value': 'foobar',
}]))
### encode of unregistered option with arbitrary value
assert_equal([{
'tag': 4,
'length': 4,
'value': b'\x05\x06\x07\x08',
}], supported.encode([{
'tag': 4,
'length': 4,
'value': '05:06:07:08',
}]))
def test_supported_decode_tag():
'''Test inocybe_dhcp.options.Supported decodes tag options'''
supported = Supported()
supported.add(_MockTagOnly('two', 2))
### decode of registered option tag
assert_equal([{'option': 'two'}], supported.decode([{'tag': 2}]))
### decode of unregistered option tag
assert_equal([{'tag': 255}], supported.decode([{'tag': 255}]))
def test_supported_decode_tlv():
'''Test inocybe_dhcp.options.Supported decodes tlv options'''
supported = Supported()
supported.add(_MockTlv('three', 3, b'\x00\x01\x02\x03', 'foo'))
### decode of registered option tag with "good" value
assert_equal([{
'option': 'three',
'value': 'foo',
}],
supported.decode([{
'tag': 3,
'length': 4,
'value': b'\x01\x02\x03\x04',
}]))
### decode of registered option tag with "bad" value
assert_equal([{
'tag': 3,
'length': 4,
'value': '00:01:02:03',
}],
supported.decode([{
'tag': 3,
'length': 4,
'value': b'\x00\x01\x02\x03',
}]))
### decode of unregistered option tag with arbitrary value
assert_equal([{
'tag': 4,
'length': 4,
'value': '06:07:08:09',
}],
supported.decode([{
'tag': 4,
'length': 4,
'value': b'\x06\x07\x08\x09',
}]))
def test_supported_decode_empty():
'''Test inocybe_dhcp.options.Supported decodes empty options sequence'''
supported = Supported()
assert_equal([], supported.decode([]))
def test_supported_duplicate_tag():
'''Test inocybe_dhcp.options.Supported rejects duplicate option tag'''
supported = Supported()
supported.add(_MockOption('first', 1))
supported.add(_MockOption('second', 1))
def test_supported_duplicate_option():
'''Test inocybe_dhcp.options.Supported rejects duplicate option name'''
option = _MockOption('duplicate name', None)
supported = Supported()
supported.add(option)
supported.add(option)