def testReadlineOffset(self):
self.serialWrapper.close()
self.serialWrapper= SerialWrapper("/dev/ttyUSB0","115200","\n",2)
testOffset = "TESTSTRING\nTY"
self._log.debug( "\nWriting strings so we can test readine" )
self.serialWrapper.write(testOffset)
self.serialWrapper.write(testOffset)
self.serialWrapper.write(testOffset)
self.serialWrapper.write(testOffset)
# give the server time to send it
time.sleep(1)
self._log.debug( "\nTesting serialWrapper.readline()" )
line1 = self.serialWrapper.readline()
self._log.debug ("line 1 is %s" %line1)
assert line1 == testOffset
line2 = self.serialWrapper.readline()
self._log.debug ("line 2 is %s" %line2)
assert line2 == testOffset
line3 = self.serialWrapper.readline()
self._log.debug ("line 3 is %s" %line3)
assert line3 == testOffset
line3 = self.serialWrapper.readline()
self._log.debug ("line 3 is %s" %line3)
assert line3 == testOffset
def setUp(self):
self.ninebytestring = "helloff\n"
self.serialWrapper = SerialWrapper("/dev/ttyUSB0","115200","\n")
self._log = logging.getLogger ( "TestSerialWrapper" )
self._log.debug("\n\nsetUp")
class TestSerialWrapper(unittest.TestCase):
def setUp(self):
self.ninebytestring = "helloff\n"
self.serialWrapper = SerialWrapper("/dev/ttyUSB0","115200","\n")
self._log = logging.getLogger ( "TestSerialWrapper" )
self._log.debug("\n\nsetUp")
def makelargestring(self,char):
self.bigstring = ''
for i in range(1,65):
self.bigstring += char
return self.bigstring
def tearDown(self):
self._log.debug( "\n\ntearDown" )
self.serialWrapper.close()
def testReadWrite(self):
#write our test string using the wrapper
self._log.debug( "\nTesting writing" )
self.serialWrapper.write(self.ninebytestring)
#give wait a moment so we are sure anything we send has arrived back
time.sleep(1)
self._log.debug( "\nTesting reading" )
self.temp = self.serialWrapper.read()
self._log.debug( "\nRead string is " + self.temp )
assert self.temp == self.ninebytestring
def testReadline(self):
# tell wrapper to send out a couple of our test strings
self._log.debug( "\nWriting strings so we can test readine" )
self.serialWrapper.write(self.ninebytestring)
self.serialWrapper.write(self.ninebytestring)
self.serialWrapper.write(self.ninebytestring)
self.serialWrapper.write(self.ninebytestring)
# give the server time to send it
time.sleep(1)
self._log.debug( "\nTesting serialWrapper.readline()" )
assert self.serialWrapper.readline() == 'helloff'
assert self.serialWrapper.readline() == 'helloff'
assert self.serialWrapper.readline() == 'helloff'
assert self.serialWrapper.readline() == 'helloff'
def testReadlineOffset(self):
self.serialWrapper.close()
self.serialWrapper= SerialWrapper("/dev/ttyUSB0","115200","\n",2)
testOffset = "TESTSTRING\nTY"
self._log.debug( "\nWriting strings so we can test readine" )
self.serialWrapper.write(testOffset)
self.serialWrapper.write(testOffset)
self.serialWrapper.write(testOffset)
self.serialWrapper.write(testOffset)
# give the server time to send it
time.sleep(1)
self._log.debug( "\nTesting serialWrapper.readline()" )
line1 = self.serialWrapper.readline()
self._log.debug ("line 1 is %s" %line1)
assert line1 == testOffset
line2 = self.serialWrapper.readline()
self._log.debug ("line 2 is %s" %line2)
assert line2 == testOffset
line3 = self.serialWrapper.readline()
self._log.debug ("line 3 is %s" %line3)
assert line3 == testOffset
line3 = self.serialWrapper.readline()
self._log.debug ("line 3 is %s" %line3)
assert line3 == testOffset
def testDoubleWrite(self):
#set up sync event
self.event = threading.Event()
self.aaa = self.makelargestring('a')
self.bbb = self.makelargestring('b')
#syncwrite will start itself in a new thread
self.syncwrite = syncfunctioncall(self.event,self.serialWrapper.write,self.bbb)
# synchronize with syncwrite
self.event.wait()
#write something at the same time as syncwrite
self.serialWrapper.write(self.aaa)
# give the server time to fetch the new data
time.sleep(1)
#self.serialWrapper.read() should read everything in the buffer if no number of bytes is specified
self.tempbuffer = self.serialWrapper.read()
self._log.debug( "\ntestDoubleWrite - recieved data is + " + self.tempbuffer )
assert self.aaa in self.tempbuffer
assert self.bbb in self.tempbuffer
return
def testwriteServerdeath(self):
self.serialWrapper.serialport.close()
self.serialWrapper.write(self.ninebytestring)
return
def testreadServerdeath(self):
self.serialWrapper.serialport.close()
self.serialWrapper.read()
return
def testreadlineServerdeath(self):
self.serialWrapper.serialport.close()
self.serialWrapper.readline()
return
def testDummy(self):
return
