155 lines
4.4 KiB
Python
155 lines
4.4 KiB
Python
# test_with_pytest.py
|
|
# import pytest, logging
|
|
from app.src.modbus import Modbus
|
|
from app.src.infos import Infos
|
|
|
|
class TestHelper(Modbus):
|
|
def __init__(self):
|
|
super().__init__()
|
|
self.db = Infos()
|
|
|
|
def test_modbus_crc():
|
|
mb = Modbus()
|
|
assert 0x0b02 == mb._Modbus__calc_crc(b'\x01\x06\x20\x08\x00\x04')
|
|
assert 0 == mb._Modbus__calc_crc(b'\x01\x06\x20\x08\x00\x04\x02\x0b')
|
|
assert mb.check_crc(b'\x01\x06\x20\x08\x00\x04\x02\x0b')
|
|
|
|
assert 0xc803 == mb._Modbus__calc_crc(b'\x01\x06\x20\x08\x00\x00')
|
|
assert 0 == mb._Modbus__calc_crc(b'\x01\x06\x20\x08\x00\x00\x03\xc8')
|
|
assert mb.check_crc(b'\x01\x06\x20\x08\x00\x00\x03\xc8')
|
|
|
|
assert 0x5c75 == mb._Modbus__calc_crc(b'\x01\x03\x08\x01\x2c\x00\x2c\x02\x2c\x2c\x46')
|
|
def test_build_modbus_pdu():
|
|
mb = Modbus()
|
|
pdu = mb.build_msg(1,6,0x2000,0x12)
|
|
assert pdu == b'\x01\x06\x20\x00\x00\x12\x02\x07'
|
|
assert mb.check_crc(pdu)
|
|
|
|
def test_recv_req_crc():
|
|
mb = Modbus()
|
|
res = mb.recv_req(b'\x01\x06\x20\x00\x00\x12\x02\x08')
|
|
assert not res
|
|
assert mb.last_fcode == 0
|
|
assert mb.last_reg == 0
|
|
assert mb.last_len == 0
|
|
assert mb.err == 1
|
|
|
|
def test_recv_req_addr():
|
|
mb = Modbus()
|
|
res = mb.recv_req(b'\x02\x06\x20\x00\x00\x12\x02\x34')
|
|
assert not res
|
|
assert mb.last_fcode == 0
|
|
assert mb.last_reg == 0
|
|
assert mb.last_len == 0
|
|
assert mb.err == 2
|
|
|
|
def test_recv_req():
|
|
mb = Modbus()
|
|
res = mb.recv_req(b'\x01\x06\x20\x00\x00\x12\x02\x07')
|
|
assert res
|
|
assert mb.last_fcode == 6
|
|
assert mb.last_reg == 0x2000
|
|
assert mb.last_len == 0x12
|
|
assert mb.err == 0
|
|
|
|
def test_recv_recv_crc():
|
|
mb = TestHelper()
|
|
mb.last_fcode = 3
|
|
mb.last_reg == 0x300e
|
|
mb.last_len == 2
|
|
|
|
call = 0
|
|
for key, update, val in mb.recv_resp(mb.db, b'\x01\x03\x04\x01\x2c\x00\x46\xbb\xf3', 'test'):
|
|
call += 1
|
|
assert mb.err == 1
|
|
assert 0 == call
|
|
|
|
def test_recv_recv_addr():
|
|
mb = TestHelper()
|
|
mb.last_fcode = 3
|
|
mb.last_reg == 0x300e
|
|
mb.last_len == 2
|
|
|
|
call = 0
|
|
for key, update in mb.recv_resp(mb.db, b'\x02\x03\x04\x01\x2c\x00\x46\x88\xf4', 'test'):
|
|
call += 1
|
|
assert mb.err == 2
|
|
assert 0 == call
|
|
|
|
def test_recv_recv_fcode():
|
|
mb = TestHelper()
|
|
mb.last_fcode = 4
|
|
mb.last_reg == 0x300e
|
|
mb.last_len == 2
|
|
|
|
call = 0
|
|
for key, update, val in mb.recv_resp(mb.db, b'\x01\x03\x04\x01\x2c\x00\x46\xbb\xf4', 'test'):
|
|
call += 1
|
|
assert mb.err == 3
|
|
assert 0 == call
|
|
|
|
def test_recv_recv_len():
|
|
mb = TestHelper()
|
|
mb.last_fcode = 3
|
|
mb.last_reg == 0x300e
|
|
mb.last_len == 2
|
|
|
|
call = 0
|
|
for key, update, _ in mb.recv_resp(mb.db, b'\x01\x03\x04\x01\x2c\x00\x46\xbb\xf4', 'test'):
|
|
call += 1
|
|
assert mb.err == 4
|
|
assert 0 == call
|
|
|
|
def test_build_recv():
|
|
mb = TestHelper()
|
|
pdu = mb.build_msg(1,3,0x3007,6)
|
|
assert mb.check_crc(pdu)
|
|
assert mb.err == 0
|
|
call = 0
|
|
exp_result = ['V0.0.212', 4.4, 0.7, 0.7, 30]
|
|
for key, update, val in mb.recv_resp(mb.db, b'\x01\x03\x0c\x01\x2c\x00\x2c\x00\x2c\x00\x46\x00\x46\x00\x46\x32\xc8', 'test'):
|
|
if key == 'grid':
|
|
assert update == True
|
|
elif key == 'inverter':
|
|
assert update == True
|
|
elif key == 'env':
|
|
assert update == True
|
|
else:
|
|
assert False
|
|
assert exp_result[call] == val
|
|
call += 1
|
|
assert 0 == mb.err
|
|
assert 5 == call
|
|
|
|
call = 0
|
|
for key, update, val in mb.recv_resp(mb.db, b'\x01\x03\x0c\x01\x2c\x00\x2c\x00\x2c\x00\x46\x00\x46\x00\x46\x32\xc8', 'test'):
|
|
if key == 'grid':
|
|
assert update == False
|
|
elif key == 'inverter':
|
|
assert update == False
|
|
elif key == 'env':
|
|
assert update == False
|
|
else:
|
|
assert False
|
|
assert exp_result[call] == val
|
|
call += 1
|
|
assert 0 == mb.err
|
|
assert 5 == call
|
|
|
|
def test_build_long():
|
|
mb = TestHelper()
|
|
pdu = mb.build_msg(1,3,0x3022,4)
|
|
assert mb.check_crc(pdu)
|
|
assert mb.err == 0
|
|
call = 0
|
|
exp_result = [3.0, 28841.4, 113.34]
|
|
for key, update, val in mb.recv_resp(mb.db, b'\x01\x03\x08\x01\x2c\x00\x2c\x02\x2c\x2c\x46\x75\x5c', 'test'):
|
|
if key == 'input':
|
|
assert update == True
|
|
assert exp_result[call] == val
|
|
else:
|
|
assert False
|
|
call += 1
|
|
assert 0 == mb.err
|
|
assert 3 == call
|