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from test.helpers.syscmd import SysCommand
import unittest
#class name
class Qaudio(unittest.TestCase):
# Initialize the variables
def __init__(self, testname, testfunc, dtmfFile):
# Doing this we will initialize the class and later on perform a particular method inside this class
super(Qaudio, self).__init__(testfunc)
self._testMethodDoc = testname
self._dtmfFile=dtmfFile
self.__sum=0
self.__refSum = 25 # 1+3+5+7+9
def execute(self):
str_cmd = "amixer -c 0 sset 'PCM' 100 2> /dev/null" # .format(self.__dtmfFile)
#Some cases de volume level is not enough to the tes. It needs to be increased
volume_up = SysCommand("volume_up", str_cmd)
if volume_up.execute() == 0:
str_cmd = "aplay test/files/dtmf-13579.wav 2> /dev/null & arecord -r 8000 -d 1 recorded.wav 2> /dev/null" #.format(self.__dtmfFile)
audio_loop = SysCommand("audio_loop", str_cmd)
if audio_loop.execute() == 0:
lines = audio_loop.getOutput().splitlines()
str_cmd = "multimon -t wav -a DTMF recorded.wav -q 2> /dev/null"
dtmf_decoder = SysCommand("dtmf_decoder", str_cmd)
if dtmf_decoder.execute() == 0:
self.__raw_out = dtmf_decoder.getOutput()
if self.__raw_out == "":
return -1
lines = dtmf_decoder.getOutput().splitlines()
for i in range(0, 5):
aux=[int(s) for s in lines[i].split() if s.isdigit()]
self.__sum=self.__sum+aux[0]
self.failUnless(self.__sum == self.__refSum), "failed: incorrect dtmf code" + str(self.__sum)
else:
self.fail("failed: fail reading recorded file")
return -1
else:
self.fail("failed: fail playing/recording file")
return -1
else:
self.fail("failed: could not increase loud level")
return -1
return 0
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