def setUp(self):
#SystemTimer._drop() # just to be sure there is no old timer instance left
self.st = SystemTimer(10)
self.queue = EAQueue()
self.pcbs = (
PCB(Process("A"), state=State.L), #they need to be in state L or W
PCB(Process("B"), state=State.W)
)
class EAQueueTestCase(unittest.TestCase):
def setUp(self):
#SystemTimer._drop() # just to be sure there is no old timer instance left
self.st = SystemTimer(10)
self.queue = EAQueue()
self.pcbs = (
PCB(Process("A"), state=State.L), #they need to be in state L or W
PCB(Process("B"), state=State.W)
)
def test_appendToQueue(self):
"""
append processes and check status after appending:
"""
for p in self.pcbs:
self.queue.append(p)
processes = self.queue.processes
for i in processes:
#every process should be in state B
self.assertTrue(i.state, State.B)
def test_work_in_append_queue(self):
"""
after a schedule step is done, we decrease the wait time on every waiting section
"""
p = PCB(Process("P"), state=State.L)
p.process.workplan = Workplan().work(10).wait(20)
p.process.doWork() # get rid of the work section
self.queue.append(p)
#and now tick
st = SystemTimer(timeunit=10)
st.tick() # tick will trigger a process.work() on every waiting process
#p.process.work(10)
for p in self.queue:
# 10 waits should be left...
self.assertEqual(p.process.workplan.pop().duration, 10)
def test_notify(self):
p = PCB(Process("Res_notify"), state=State.L)
print ProcessManager().jobs
p.process.workplan = Workplan().work(20).wait(15).work(25)
p.process.doWork(20) # get rid of work section
p.setWaiting()
#wait(15) in queue
self.queue.append(p)
st = SystemTimer(timeunit=10)
st.tick() #wait(5) left
self.assertListEqual(self.queue.pickup_ready_processes(), [])
st.tick() #should tick 5
# process should be in queue
ready_p_from_queue = self.queue.pickup_ready_processes()
self.assertListEqual(ready_p_from_queue, [p])
def test_notify_finishProcess(self):
p = PCB(Process("Wait_finish"), state=State.L)
p.process.workplan = Workplan().work(20).wait(10)
p.process.doWork(20) # get rid of work section
print p.process.name, "ist nun", p.process.workplan
self.queue.append(p) # should also set p to waiting state
print "Warteschlange:", self.queue
self.assertRaises(ProcessTerminatedMessage, p.process.doWork, 15)
print "Warteschlange:", self.queue
def tearDown(self):
ProcessManager._drop()
SystemTimer._drop()
