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import pytest
from usv import Usv
class MockUsvSerial(object):
def __init__(self, *args, **kwargs):
self.buf = []
def open(self):
pass
def write(self, buf):
self.buf.insert(1, buf)
def read(self, size):
cmd = self.buf.pop()
if cmd == '\r':
return '\r=>'
elif cmd == 'd 1\r':
return '01 V In 219\r=>'
elif cmd == 'd 2\r':
return '02 V Out 215\r=>'
elif cmd == 'd 5\r':
return '05 VA Out 108\r=>'
elif cmd == 'd 7\r':
return '07 V Batt 52.7\r=>'
elif cmd == 'd 8\r':
return '08 Freq 50.01 Hz\r=>'
elif cmd == 'd 16\r':
return '16 FullLoad% 007\r=>'
elif cmd == 'd 17\r':
return '17 Watts 83\r=>'
elif cmd == 'd 18\r':
return '18 PF 1.00 ----\r=>'
elif cmd == 'd 19\r':
return '19 CrestF 1.44\r=>'
elif cmd == 'd 20\r':
return '20 #PwrOut 157\r=>'
elif cmd == 'd 23\r':
return '23 InvMin 0231.2\r=>'
class TestUsv(object):
def test_usv(self, monkeypatch):
monkeypatch.setattr('usv.usv.Serial', MockUsvSerial)
usv_handle = Usv('/dev/usv')
fields = usv_handle.read()
assert len(fields) == 11
assert fields['acvoltsin'] == 219.0
assert fields['acvoltsout'] == 215.0
assert fields['vaout'] == 108.0
assert fields['vbattery'] == 52.7
assert fields['frequency'] == 50.01
assert fields['fullload'] == 7.0
assert fields['watts'] == 83.0
assert fields['powerfactor'] == 1.0
assert fields['crestfactor'] == 1.44
assert fields['powerout'] == 157.0
assert fields['inverterminutes'] == 231.2
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