def _unpack_data(self): if self.data == b'': return BinaryData() # header unpacking header = Header() header_size = header.get_size() header_data = self.data.value[:header_size] header.unpack(header_data) # message unpacking msg = common.utils.new_message_from_header(header) msg_data = self.data.value[header_size:] msg.unpack(msg_data) return msg
class TestHeader(unittest.TestCase): """Test the message Header.""" def setUp(self): """Setup the TestHeader Class instantiating a HELLO header.""" self.message = Header() self.message.message_type = Type.OFPT_HELLO self.message.xid = 1 self.message.length = 0 def test_size(self): """[Common/Header] - size 8.""" self.assertEqual(self.message.get_size(), 8) @unittest.expectedFailure def test_pack_empty(self): """[Common/Header] - packing empty header.""" self.assertRaises(TypeError, Header().pack()) def test_pack(self): """[Common/Header] - packing Hello.""" packed_header = b'\x01\x00\x00\x00\x00\x00\x00\x01' self.assertEqual(self.message.pack(), packed_header) def test_unpack(self): """[Common/Header] - unpacking Hello.""" filename = os.path.join(os.path.dirname(os.path.realpath('__file__')), 'raw/v0x01/ofpt_hello.dat') f = open(filename, 'rb') self.message.unpack(f.read(8)) self.assertEqual(self.message.length, 8) self.assertEqual(self.message.xid, 1) self.assertEqual(self.message.message_type, Type.OFPT_HELLO) self.assertEqual(self.message.version, 1) f.close() @patch('pyof.v0x01.common.header.randint') def test_random_xid(self, m): """Each Header instantiations without xid should call randint.""" Header(), Header() # noqa self.assertEqual(m.call_count, 2)
class TestHeader(unittest.TestCase): """Test the message Header.""" def setUp(self): """Setup the TestHeader Class instantiating a HELLO header.""" self.message = Header() self.message.message_type = Type.OFPT_HELLO self.message.xid = 1 self.message.length = 0 def test_size(self): """[Common/Header] - size 8.""" self.assertEqual(self.message.get_size(), 8) @unittest.expectedFailure def test_pack_empty(self): """[Common/Header] - packing empty header.""" self.assertRaises(TypeError, Header().pack()) def test_pack(self): """[Common/Header] - packing Hello.""" packed_header = b'\x01\x00\x00\x00\x00\x00\x00\x01' self.assertEqual(self.message.pack(), packed_header) def test_unpack(self): """[Common/Header] - unpacking Hello.""" filename = os.path.join(os.path.dirname(os.path.realpath('__file__')), 'raw/v0x01/ofpt_hello.dat') f = open(filename, 'rb') self.message.unpack(f.read(8)) self.assertEqual(self.message.length, 8) self.assertEqual(self.message.xid, 1) self.assertEqual(self.message.message_type, Type.OFPT_HELLO) self.assertEqual(self.message.version, 1) f.close()