adapt unit tests

This commit is contained in:
Stefan Allius
2024-05-18 21:46:28 +02:00
parent f4da16987f
commit 766774224b
3 changed files with 177 additions and 37 deletions

View File

@@ -1,15 +1,24 @@
# test_with_pytest.py
# import pytest, logging
import pytest
import asyncio
from app.src.modbus import Modbus
from app.src.infos import Infos
pytest_plugins = ('pytest_asyncio',)
pytestmark = pytest.mark.asyncio(scope="module")
class TestHelper(Modbus):
def __init__(self):
super().__init__()
super().__init__(self.send_cb)
self.db = Infos()
self.pdu = None
self.send_calls = 0
def send_cb(self, pdu: bytearray):
self.pdu = pdu
self.send_calls += 1
def test_modbus_crc():
mb = Modbus()
mb = Modbus(None)
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')
@@ -20,33 +29,34 @@ def test_modbus_crc():
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)
mb = TestHelper()
mb.build_msg(1,6,0x2000,0x12)
mb.get_next_req()
assert mb.pdu == b'\x01\x06\x20\x00\x00\x12\x02\x07'
assert mb.check_crc(mb.pdu)
def test_recv_req_crc():
mb = Modbus()
res = mb.recv_req(b'\x01\x06\x20\x00\x00\x12\x02\x08')
assert not res
mb = TestHelper()
mb.recv_req(b'\x01\x06\x20\x00\x00\x12\x02\x08')
mb.get_next_req()
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
mb = TestHelper()
mb.recv_req(b'\x02\x06\x20\x00\x00\x12\x02\x34')
mb.get_next_req()
assert mb.last_addr == 2
assert mb.last_fcode == 6
assert mb.last_reg == 0x2000
assert mb.last_len == 18
def test_recv_req():
mb = Modbus()
res = mb.recv_req(b'\x01\x06\x20\x00\x00\x12\x02\x07')
assert res
mb = TestHelper()
mb.recv_req(b'\x01\x06\x20\x00\x00\x12\x02\x07')
mb.get_next_req()
assert mb.last_fcode == 6
assert mb.last_reg == 0x2000
assert mb.last_len == 0x12
@@ -54,6 +64,7 @@ def test_recv_req():
def test_recv_recv_crc():
mb = TestHelper()
mb.req_pend = True
mb.last_fcode = 3
mb.last_reg == 0x300e
mb.last_len == 2
@@ -66,6 +77,7 @@ def test_recv_recv_crc():
def test_recv_recv_addr():
mb = TestHelper()
mb.req_pend = True
mb.last_fcode = 3
mb.last_reg == 0x300e
mb.last_len == 2
@@ -75,36 +87,48 @@ def test_recv_recv_addr():
call += 1
assert mb.err == 2
assert 0 == call
assert mb.que.qsize() == 0
mb.stop_timer()
assert not mb.req_pend
def test_recv_recv_fcode():
mb = TestHelper()
mb.last_fcode = 4
mb.last_reg == 0x300e
mb.last_len == 2
mb.build_msg(1,4,0x300e,2)
assert mb.que.qsize() == 0
assert mb.req_pend
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
assert mb.que.qsize() == 0
mb.stop_timer()
assert not mb.req_pend
def test_recv_recv_len():
mb = TestHelper()
mb.last_fcode = 3
mb.last_reg == 0x300e
mb.last_len == 2
mb.build_msg(1,3,0x300e,3)
assert mb.que.qsize() == 0
assert mb.req_pend
assert mb.last_len == 3
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
assert mb.que.qsize() == 0
mb.stop_timer()
assert not mb.req_pend
def test_build_recv():
mb = TestHelper()
pdu = mb.build_msg(1,3,0x3007,6)
assert mb.check_crc(pdu)
assert mb.err == 0
mb.build_msg(1,3,0x3007,6)
assert mb.que.qsize() == 0
assert mb.req_pend
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'):
@@ -121,6 +145,7 @@ def test_build_recv():
assert 0 == mb.err
assert 5 == call
mb.req_pend = True
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':
@@ -133,13 +158,20 @@ def test_build_recv():
assert False
assert exp_result[call] == val
call += 1
assert 0 == mb.err
assert 5 == call
assert mb.que.qsize() == 0
mb.stop_timer()
assert not mb.req_pend
def test_build_long():
mb = TestHelper()
pdu = mb.build_msg(1,3,0x3022,4)
assert mb.check_crc(pdu)
mb.build_msg(1,3,0x3022,4)
assert mb.que.qsize() == 0
assert mb.req_pend
assert mb.last_addr == 1
assert mb.last_fcode == 3
assert mb.err == 0
call = 0
exp_result = [3.0, 28841.4, 113.34]
@@ -150,5 +182,84 @@ def test_build_long():
else:
assert False
call += 1
assert 0 == mb.err
assert 3 == call
assert mb.que.qsize() == 0
mb.stop_timer()
assert not mb.req_pend
def test_queue():
mb = TestHelper()
mb.build_msg(1,3,0x3022,4)
assert mb.que.qsize() == 0
assert mb.req_pend
assert mb.send_calls == 1
assert mb.pdu == b'\x01\x030"\x00\x04\xeb\x03'
mb.pdu = None
mb.get_next_req()
assert mb.send_calls == 1
assert mb.pdu == None
assert mb.que.qsize() == 0
mb.stop_timer()
assert not mb.req_pend
def test_queue2():
mb = TestHelper()
mb.build_msg(1,3,0x3007,6)
mb.build_msg(1,6,0x2008,4)
assert mb.que.qsize() == 1
assert mb.req_pend
assert mb.send_calls == 1
assert mb.pdu == b'\x01\x030\x07\x00\x06{\t'
mb.get_next_req()
assert mb.send_calls == 1
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
assert mb.send_calls == 2
assert mb.pdu == b'\x01\x06\x20\x08\x00\x04\x02\x0b'
for key, update, val in mb.recv_resp(mb.db, b'\x01\x06\x20\x08\x00\x04\x02\x0b', 'test'):
pass
assert mb.que.qsize() == 0
assert not mb.req_pend
@pytest.mark.asyncio
async def test_timeout():
assert asyncio.get_running_loop()
mb = TestHelper()
assert asyncio.get_running_loop() == mb.loop
mb.build_msg(1,3,0x3007,6)
mb.build_msg(1,6,0x2008,4)
assert mb.que.qsize() == 1
assert mb.req_pend
assert mb.send_calls == 1
assert mb.pdu == b'\x01\x030\x07\x00\x06{\t'
await asyncio.sleep(1.1) # wait for first timeout and next pdu
assert mb.req_pend
assert mb.send_calls == 2
assert mb.pdu == b'\x01\x06\x20\x08\x00\x04\x02\x0b'
await asyncio.sleep(1.1) # wait for second timout
assert not mb.req_pend
assert mb.que.qsize() == 0

View File

@@ -16,9 +16,16 @@ Infos.static_init()
timestamp = int(time.time()) # 1712861197
heartbeat = 60
class Writer():
def write(self, pdu: bytearray):
pass
class MemoryStream(SolarmanV5):
def __init__(self, msg, chunks = (0,), server_side: bool = True):
super().__init__(server_side)
if server_side:
self.mb.timeout = 1 # overwrite for faster testing
self.writer = Writer()
self.__msg = msg
self.__msg_len = len(msg)
self.__chunks = chunks
@@ -35,7 +42,6 @@ class MemoryStream(SolarmanV5):
def _heartbeat(self) -> int:
return heartbeat
def append_msg(self, msg):
self.__msg += msg
@@ -1446,9 +1452,12 @@ def test_msg_modbus_rsp3(ConfigTsunInv1, MsgModbusRsp):
m.append_msg(MsgModbusRsp)
m.forward_modbus_resp = True
m.mb.last_addr = 1
m.mb.last_fcode = 3
m.mb.last_len = 20
m.mb.last_reg = 0x3008
m.mb.req_pend = True
m.mb.err = 0
# assert m.db.db == {'inverter': {'Manufacturer': 'TSUN', 'Equipment_Model': 'TSOL-MSxx00'}}
m.new_data['inverter'] = False
@@ -1465,7 +1474,7 @@ def test_msg_modbus_rsp3(ConfigTsunInv1, MsgModbusRsp):
m.read() # read complete msg, and dispatch msg
assert not m.header_valid # must be invalid, since msg was handled and buffer flushed
assert m.mb.err == 0
assert m.mb.err == 5
assert m.msg_count == 2
assert m._forward_buffer==MsgModbusRsp
assert m._send_buffer==b''
@@ -1515,9 +1524,13 @@ def test_msg_modbus_fragment(ConfigTsunInv1, MsgModbusRsp):
m.db.stat['proxy']['Unknown_Ctrl'] = 0
m.db.stat['proxy']['Modbus_Command'] = 0
m.forward_modbus_resp = True
m.mb.last_addr = 1
m.mb.last_fcode = 3
m.mb.last_len = 20
m.mb.last_reg = 0x3008
m.mb.req_pend = True
m.mb.err = 0
m.read() # read complete msg, and dispatch msg
assert not m.header_valid # must be invalid, since msg was handled and buffer flushed
assert m.msg_count == 1

View File

@@ -12,10 +12,18 @@ pytest_plugins = ('pytest_asyncio',)
Infos.static_init()
tracer = logging.getLogger('tracer')
class Writer():
def write(self, pdu: bytearray):
pass
class MemoryStream(Talent):
def __init__(self, msg, chunks = (0,), server_side: bool = True):
super().__init__(server_side)
if server_side:
self.mb.timeout = 1 # overwrite for faster testing
self.writer = Writer()
self.__msg = msg
self.__msg_len = len(msg)
self.__chunks = chunks
@@ -896,9 +904,13 @@ def test_msg_modbus_rsp3(ConfigTsunInv1, MsgModbusResp20):
m.append_msg(MsgModbusResp20)
m.forward_modbus_resp = True
m.mb.last_addr = 1
m.mb.last_fcode = 3
m.mb.last_len = 20
m.mb.last_reg = 0x3008
m.mb.req_pend = True
m.mb.err = 0
assert m.db.db == {}
m.new_data['inverter'] = False
@@ -915,7 +927,7 @@ def test_msg_modbus_rsp3(ConfigTsunInv1, MsgModbusResp20):
m.read() # read complete msg, and dispatch msg
assert not m.header_valid # must be invalid, since msg was handled and buffer flushed
assert m.mb.err == 0
assert m.mb.err == 5
assert m.msg_count == 2
assert m._forward_buffer==MsgModbusResp20
assert m._send_buffer==b''
@@ -952,9 +964,13 @@ def test_msg_modbus_fragment(ConfigTsunInv1, MsgModbusResp20):
m.db.stat['proxy']['Unknown_Ctrl'] = 0
m.db.stat['proxy']['Modbus_Command'] = 0
m.forward_modbus_resp = True
m.mb.last_addr = 1
m.mb.last_fcode = 3
m.mb.last_len = 20
m.mb.last_reg = 0x3008
m.mb.req_pend = True
m.mb.err = 0
m.read() # read complete msg, and dispatch msg
assert not m.header_valid # must be invalid, since msg was handled and buffer flushed
assert m.msg_count == 1