def test_remote_link_reposition(self):
physical_layer = MockPhysicalLayer()
link_layer = protocol.LinkLayer(der = 1)
link_layer.initialize(physical_layer)
physical_layer.to_receive = bytes.fromhex("10 00 95 d1 66 16")
link_layer.remote_link_reposition()
def test_link_state_request(self):
physical_layer = MockPhysicalLayer()
link_layer = protocol.LinkLayer(der = 1)
link_layer.initialize(physical_layer)
physical_layer.to_receive = bytes.fromhex("10 0b 95 d1 71 16")
link_layer.link_state_request()
def test_send_frame(self):
physical_layer = MockPhysicalLayer()
link_layer = protocol.LinkLayer()
link_layer.initialize(physical_layer)
frame = base_asdu.VariableAsdu()
frame.generate()
link_layer.send_frame(frame)
self.assertEqual(physical_layer.sent, frame.buffer)
self.assertTrue(len(physical_layer.sent) > 1)
def test_get_frame(self):
physical_layer = MockPhysicalLayer()
link_layer = protocol.LinkLayer()
link_layer.initialize(physical_layer)
fixed_asdu = bytes.fromhex("10 49 0c 87 DC 16")
variable_asdu = bytes.fromhex("68 0d 0d 68 08 95 d1 b7 01"
"07 01 00 00 01 00 00 00 2f 16")
physical_layer.to_receive = variable_asdu
frame = link_layer.get_frame()
self.assertIsInstance(frame, base_asdu.VariableAsdu)
#print(frame.data)
self.assertEqual(frame.buffer, variable_asdu)