S allius/issue320 (#324)

* at unit test for 0x4510 msg with frametype 5

app/tests/test_solarman.py

@@ -633,6 +633,15 @@ def msg_modbus_cmd_fwd():
     msg += b'\x15'
     return msg
 
+@pytest.fixture
+def msg_modbus_cmd_seq():
+    msg  = b'\xa5\x17\x00\x10\x45\x03\x02' +get_sn()  +b'\x05\x26\x30\x00\x00'
+    msg += b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x01\x06\x01\x00\x01'
+    msg += b'\x03\xe8'
+    msg += correct_checksum(msg)
+    msg += b'\x15'
+    return msg
+
 @pytest.fixture
 def msg_modbus_cmd_crc_err():
     msg  = b'\xa5\x17\x00\x10\x45\x03\x02' +get_sn()  +b'\x02\xb0\x02'
@@ -655,6 +664,19 @@ def msg_modbus_rsp():  # 0x1510
     msg += b'\x15'
     return msg
 
+@pytest.fixture
+def msg_modbus_interim_rsp():  # 0x0510
+    msg  = b'\xa5\x3b\x00\x10\x15\x03\x03' +get_sn()  +b'\x02\x01'
+    msg += total()  
+    msg += hb()
+    msg += b'\x0a\xe2\xfa\x33\x01\x03\x28\x40\x10\x08\xd8'
+    msg += b'\x00\x00\x13\x87\x00\x31\x00\x68\x02\x58\x00\x00\x01\x53\x00\x02'
+    msg += b'\x00\x00\x01\x52\x00\x02\x00\x00\x01\x53\x00\x03\x00\x00\x00\x04'
+    msg += b'\x00\x01\x00\x00\x6c\x68'
+    msg += correct_checksum(msg)
+    msg += b'\x15'
+    return msg
+
 @pytest.fixture
 def msg_modbus_rsp_inv_id2():  # 0x1510
     msg  = b'\xa5\x3b\x00\x10\x15\x03\x03' +get_sn()  +b'\x02\x01'
@@ -1714,6 +1736,34 @@ def test_msg_modbus_req(config_tsun_inv1, msg_modbus_cmd, msg_modbus_cmd_fwd):
     assert m.db.stat['proxy']['Invalid_Msg_Format'] == 0
     m.close()
 
+def test_msg_modbus_req_seq(config_tsun_inv1, msg_modbus_cmd_seq):
+    _ = config_tsun_inv1
+    m = MemoryStream(b'')
+    m.snr = get_sn_int()
+    m.sensor_list = 0x2b0
+    m.state = State.up
+    c = m.createClientStream(msg_modbus_cmd_seq)
+
+    m.db.stat['proxy']['Unknown_Ctrl'] = 0
+    m.db.stat['proxy']['AT_Command'] = 0
+    m.db.stat['proxy']['Modbus_Command'] = 0
+    m.db.stat['proxy']['Invalid_Msg_Format'] = 0
+    c.read()         # read complete msg, and dispatch msg
+    assert not c.header_valid  # must be invalid, since msg was handled and buffer flushed
+    assert c.msg_count == 1
+    assert c.control == 0x4510
+    assert str(c.seq) == '03:02'
+    assert c.header_len==11
+    assert c.data_len==23
+    assert c.ifc.fwd_fifo.get()==msg_modbus_cmd_seq
+    assert c.ifc.tx_fifo.get()==b''
+    assert m.sent_pdu == b''
+    assert m.db.stat['proxy']['Unknown_Ctrl'] == 0
+    assert m.db.stat['proxy']['AT_Command'] == 0
+    assert m.db.stat['proxy']['Modbus_Command'] == 0
+    assert m.db.stat['proxy']['Invalid_Msg_Format'] == 0
+    m.close()
+
 def test_msg_modbus_req2(config_tsun_inv1, msg_modbus_cmd_crc_err):
     _ = config_tsun_inv1
     m = MemoryStream(b'')