def simulation(numseconds, pagesperminute):
labprinter = Printer(pagesperminute)
printerqueue = Queue()
waitingtimes = []
longestqueue = 0
for currentsecond in range(numseconds):
if newprinttask():
newtask = Task(currentsecond)
printerqueue.enqueue(newtask)
if printerqueue.size() > longestqueue:
longestqueue = printerqueue.size()
if not labprinter.busy() and printerqueue.has_items():
nexttask = printerqueue.dequeue()
waitingtimes.append(nexttask.waittime(currentsecond))
labprinter.startnext(nexttask)
labprinter.tick()
averagewait = sum(waitingtimes) / len(waitingtimes)
print "Average Wait %6.2f secs %3d tasks remaining." % (
averagewait, printerqueue.size())
print "The longest the queue got to was %d tasks. \n" % (longestqueue)
def simulation(numseconds, pagesperminute):
labprinter = Printer(pagesperminute)
printerqueue = Queue()
waitingtimes = []
longestqueue = 0
for currentsecond in range(numseconds):
if newprinttask():
newtask = Task(currentsecond)
printerqueue.enqueue(newtask)
if printerqueue.size() > longestqueue:
longestqueue = printerqueue.size()
if not labprinter.busy() and printerqueue.has_items():
nexttask = printerqueue.dequeue()
waitingtimes.append(nexttask.waittime(currentsecond))
labprinter.startnext(nexttask)
labprinter.tick()
averagewait = sum(waitingtimes)/len(waitingtimes)
print "Average Wait %6.2f secs %3d tasks remaining." % (averagewait, printerqueue.size())
print "The longest the queue got to was %d tasks. \n" % (longestqueue)
def test_has_items(self):
queue = Queue()
self.assertFalse(queue.has_items())
queue.enqueue('a thing')
self.assertTrue(queue.has_items())
