155 lines
4.4 KiB
Python
155 lines
4.4 KiB
Python
# test_with_pytest.py
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# import pytest, logging
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from app.src.modbus import Modbus
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from app.src.infos import Infos
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class TestHelper(Modbus):
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def __init__(self):
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super().__init__()
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self.db = Infos()
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def test_modbus_crc():
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mb = Modbus()
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assert 0x0b02 == mb._Modbus__calc_crc(b'\x01\x06\x20\x08\x00\x04')
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assert 0 == mb._Modbus__calc_crc(b'\x01\x06\x20\x08\x00\x04\x02\x0b')
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assert mb.check_crc(b'\x01\x06\x20\x08\x00\x04\x02\x0b')
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assert 0xc803 == mb._Modbus__calc_crc(b'\x01\x06\x20\x08\x00\x00')
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assert 0 == mb._Modbus__calc_crc(b'\x01\x06\x20\x08\x00\x00\x03\xc8')
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assert mb.check_crc(b'\x01\x06\x20\x08\x00\x00\x03\xc8')
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assert 0x5c75 == mb._Modbus__calc_crc(b'\x01\x03\x08\x01\x2c\x00\x2c\x02\x2c\x2c\x46')
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def test_build_modbus_pdu():
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mb = Modbus()
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pdu = mb.build_msg(1,6,0x2000,0x12)
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assert pdu == b'\x01\x06\x20\x00\x00\x12\x02\x07'
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assert mb.check_crc(pdu)
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def test_recv_req_crc():
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mb = Modbus()
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res = mb.recv_req(b'\x01\x06\x20\x00\x00\x12\x02\x08')
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assert not res
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assert mb.last_fcode == 0
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assert mb.last_reg == 0
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assert mb.last_len == 0
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assert mb.err == 1
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def test_recv_req_addr():
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mb = Modbus()
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res = mb.recv_req(b'\x02\x06\x20\x00\x00\x12\x02\x34')
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assert not res
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assert mb.last_fcode == 0
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assert mb.last_reg == 0
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assert mb.last_len == 0
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assert mb.err == 2
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def test_recv_req():
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mb = Modbus()
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res = mb.recv_req(b'\x01\x06\x20\x00\x00\x12\x02\x07')
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assert res
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assert mb.last_fcode == 6
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assert mb.last_reg == 0x2000
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assert mb.last_len == 0x12
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assert mb.err == 0
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def test_recv_recv_crc():
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mb = TestHelper()
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mb.last_fcode = 3
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mb.last_reg == 0x300e
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mb.last_len == 2
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call = 0
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for key, update, val in mb.recv_resp(mb.db, b'\x01\x03\x04\x01\x2c\x00\x46\xbb\xf3', 'test'):
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call += 1
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assert mb.err == 1
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assert 0 == call
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def test_recv_recv_addr():
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mb = TestHelper()
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mb.last_fcode = 3
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mb.last_reg == 0x300e
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mb.last_len == 2
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call = 0
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for key, update in mb.recv_resp(mb.db, b'\x02\x03\x04\x01\x2c\x00\x46\x88\xf4', 'test'):
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call += 1
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assert mb.err == 2
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assert 0 == call
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def test_recv_recv_fcode():
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mb = TestHelper()
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mb.last_fcode = 4
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mb.last_reg == 0x300e
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mb.last_len == 2
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call = 0
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for key, update, val in mb.recv_resp(mb.db, b'\x01\x03\x04\x01\x2c\x00\x46\xbb\xf4', 'test'):
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call += 1
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assert mb.err == 3
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assert 0 == call
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def test_recv_recv_len():
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mb = TestHelper()
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mb.last_fcode = 3
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mb.last_reg == 0x300e
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mb.last_len == 2
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call = 0
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for key, update, _ in mb.recv_resp(mb.db, b'\x01\x03\x04\x01\x2c\x00\x46\xbb\xf4', 'test'):
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call += 1
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assert mb.err == 4
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assert 0 == call
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def test_build_recv():
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mb = TestHelper()
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pdu = mb.build_msg(1,3,0x3007,6)
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assert mb.check_crc(pdu)
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assert mb.err == 0
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call = 0
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exp_result = ['v0.0.212', 4.4, 0.7, 0.7, 30]
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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'):
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if key == 'grid':
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assert update == True
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elif key == 'inverter':
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assert update == True
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elif key == 'env':
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assert update == True
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else:
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assert False
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assert exp_result[call] == val
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call += 1
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assert 0 == mb.err
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assert 5 == call
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call = 0
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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'):
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if key == 'grid':
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assert update == False
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elif key == 'inverter':
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assert update == False
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elif key == 'env':
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assert update == False
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else:
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assert False
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assert exp_result[call] == val
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call += 1
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assert 0 == mb.err
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assert 5 == call
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def test_build_long():
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mb = TestHelper()
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pdu = mb.build_msg(1,3,0x3022,4)
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assert mb.check_crc(pdu)
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assert mb.err == 0
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call = 0
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exp_result = [3.0, 28841.4, 113.34]
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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'):
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if key == 'input':
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assert update == True
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assert exp_result[call] == val
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else:
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assert False
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call += 1
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assert 0 == mb.err
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assert 3 == call
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