1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
import unittest
import uuid
import serial
import time
class Qserial(unittest.TestCase):
params = None
__port = None
__baudrate = None
__resultlist = None # resultlist is a python list of python dictionaries
# varlist: port, baudrate
def __init__(self, testname, testfunc, varlist):
self.params = varlist
super(Qserial, self).__init__(testfunc)
if "port" in varlist:
self.__port = varlist["port"]
else:
raise Exception('port param inside Qserial must be defined')
if "baudrate" in varlist:
self.__baudrate = varlist["baudrate"]
else:
raise Exception('baudrate param inside Qserial must be defined')
self._testMethodDoc = testname
self.__resultlist = []
# open serial connection
self.__serial = serial.Serial(self.__port, self.__baudrate, timeout=1)
def __del__(self):
self.__serial.close()
def execute(self):
# generate a random uuid
test_uuid = str(uuid.uuid4()).encode()
# clean serial port
self.__serial.flushInput()
self.__serial.flushOutput()
# send the uuid through serial port
self.__serial.write(test_uuid)
time.sleep(0.05) # there might be a small delay
if self.__serial.inWaiting() == 0:
self.__resultlist.append(
{
"desc": "Test result",
"data": "FAILED: port {} wait timeout exceded".format(self.__port),
"type": "string"
}
)
self.fail("failed: port {} wait timeout exceded".format(self.__port))
else:
# check if what it was sent is equal to what has been received
if self.__serial.readline() != test_uuid:
self.__resultlist.append(
{
"desc": "Test result",
"data": "FAILED: port {} write/read mismatch".format(self.__port),
"type": "string"
}
)
self.fail("failed: port {} write/read mismatch".format(self.__port))
# Test successful
self.__resultlist.append(
{
"desc": "Test result",
"data": "OK",
"type": "string"
}
)
def getresults(self):
return self.__resultlist
|
