def setUp(self):
self.comparator = lambda pcb1, pcb2: pcb1.getPriority(
) > pcb2.getPriority() # the greater, the better
self.semaphore = Mock()
self.myCpu = Mock()
self.queue = OwnHeap(self.semaphore, self.comparator)
self.myScheduler = Scheduler(self.myCpu, self.queue, 1,
self.semaphore) # Priority Round Robin
self.highPriorityPCB = PCB(1, 1, 5, 10)
self.higherPriorityPCB = PCB(1, 1, 5, 15)
self.lowPriorityPCB = PCB(2, 6, 5, 1)
self.queue.put(self.highPriorityPCB)
self.queue.put(self.higherPriorityPCB)
self.queue.put(self.lowPriorityPCB)
class IntegrationTest(unittest.TestCase):
def setUp(self):
# miscellaneous
self.semaphore = Condition()
self.disk = HardDisk()
self.comparator = lambda pcb1, pcb2: pcb1.getPriority() > pcb2.getPriority() # the greater, the better
self.readyQueue = OwnHeap(self.semaphore, self.comparator)
# hardware
self.memory = RAM(1000)
self.mmu = MMU(1,self.memory)
self.ioDelivery = IODelivery()
self.progLoader = ProgramLoader(self.memory, self.disk, self.readyQueue,self.mmu)
self.imanager = InterruptorManager()
self.cpu = CPU(self.memory, self.imanager, self.semaphore,self.mmu)
self.scheduler = Scheduler(self.cpu, self.readyQueue , 5, self.semaphore)
# devices
self.spooler = Device('printer', self.imanager)
self.screen = Device('screen', self.imanager)
self.ioDelivery.newDevice(self.spooler)
self.ioDelivery.newDevice(self.screen)
# im
self.imanager.setScheduler(self.scheduler)
self.imanager.setDisk(self.disk)
self.imanager.setMmu(self.mmu)
self.imanager.setIODelivery(self.ioDelivery)
# loading programs
self.ioInstruction = InstIO('directory', 0)
self.cpuInstruction = InstCPU('1+1')
self.prog1 = Program('ls')
self.prog2 = Program('pwd')
self.prog1.addInstruction(self.cpuInstruction)
self.prog2.addInstruction(self.ioInstruction)
self.disk.setProgram(self.prog1)
self.disk.setProgram(self.prog2)
def test_when_programLoader_loadProcessWithNoPriority_then_it_starts_the_expected_sequence(self):
self.progLoader.loadProcess("ls")
self.progLoader.loadProcess("pwd", 3)
self.table = self.progLoader.getPcbTable()
self.table.getPS()
self.assertEqual(2, self.table.countActiveProcess())
self.assertEquals(2 , self.readyQueue.length())
self.assertEqual(self.cpuInstruction, self.memory.getDir(0))
def setUp(self):
# miscellaneous
self.semaphore = Condition()
self.disk = HardDisk()
self.comparator = lambda pcb1, pcb2: pcb1.getPriority() > pcb2.getPriority() # the greater, the better
self.readyQueue = OwnHeap(self.semaphore, self.comparator)
# hardware
self.memory = RAM(1000)
self.mmu = MMU(1,self.memory)
self.ioDelivery = IODelivery()
self.progLoader = ProgramLoader(self.memory, self.disk, self.readyQueue,self.mmu)
self.imanager = InterruptorManager()
self.cpu = CPU(self.memory, self.imanager, self.semaphore,self.mmu)
self.scheduler = Scheduler(self.cpu, self.readyQueue , 5, self.semaphore)
# devices
self.spooler = Device('printer', self.imanager)
self.screen = Device('screen', self.imanager)
self.ioDelivery.newDevice(self.spooler)
self.ioDelivery.newDevice(self.screen)
# im
self.imanager.setScheduler(self.scheduler)
self.imanager.setDisk(self.disk)
self.imanager.setMmu(self.mmu)
self.imanager.setIODelivery(self.ioDelivery)
# loading programs
self.ioInstruction = InstIO('directory', 0)
self.cpuInstruction = InstCPU('1+1')
self.prog1 = Program('ls')
self.prog2 = Program('pwd')
self.prog1.addInstruction(self.cpuInstruction)
self.prog2.addInstruction(self.ioInstruction)
self.disk.setProgram(self.prog1)
self.disk.setProgram(self.prog2)
def setUp(self):
self.comparator = lambda pcb1, pcb2: pcb1.getPriority() > pcb2.getPriority() # the greater, the better
self.semaphore = Mock()
self.myCpu = Mock()
self.queue = OwnHeap(self.semaphore, self.comparator)
self.myScheduler = Scheduler(self.myCpu, self.queue, 1, self.semaphore) # Priority Round Robin
self.highPriorityPCB = PCB(1, 1, 5, 10)
self.higherPriorityPCB = PCB(1, 1, 5, 15)
self.lowPriorityPCB = PCB(2, 6, 5, 1)
self.queue.put(self.highPriorityPCB)
self.queue.put(self.higherPriorityPCB)
self.queue.put(self.lowPriorityPCB)
class IntegrationTest(unittest.TestCase):
def setUp(self):
# miscellaneous
self.semaphore = Condition()
self.disk = HardDisk()
self.comparator = lambda pcb1, pcb2: pcb1.getPriority() > pcb2.getPriority() # the greater, the better
self.readyQueue = OwnHeap(self.semaphore, self.comparator)
# hardware
self.memory = RAM(1000)
self.mmu = MMU(1, self.memory)
self.ioDelivery = IODelivery()
self.progLoader = ProgramLoader(self.memory, self.disk, self.readyQueue, self.mmu)
self.imanager = InterruptorManager()
self.cpu = CPU(self.memory, self.imanager, self.semaphore, self.mmu)
self.scheduler = Scheduler(self.cpu, self.readyQueue, 5, self.semaphore)
# devices
self.spooler = Device("printer", self.imanager)
self.screen = Device("screen", self.imanager)
self.ioDelivery.newDevice(self.spooler)
self.ioDelivery.newDevice(self.screen)
# im
self.imanager.setScheduler(self.scheduler)
self.imanager.setDisk(self.disk)
self.imanager.setMmu(self.mmu)
self.imanager.setIODelivery(self.ioDelivery)
# loading programs
self.ioInstruction = InstIO("directory", 0)
self.cpuInstruction = InstCPU("1+1")
self.prog1 = Program("ls")
self.prog2 = Program("pwd")
self.prog1.addInstruction(self.cpuInstruction)
self.prog2.addInstruction(self.ioInstruction)
self.disk.setProgram(self.prog1)
self.disk.setProgram(self.prog2)
def test_when_programLoader_loadProcessWithNoPriority_then_it_starts_the_expected_sequence(self):
self.progLoader.loadProcess("ls")
self.progLoader.loadProcess("pwd", 3)
self.table = self.progLoader.getPcbTable()
self.table.getPS()
self.assertEqual(2, self.table.countActiveProcess())
self.assertEquals(2, self.readyQueue.length())
self.assertEqual(self.cpuInstruction, self.memory.getDir(0))
def setUp(self):
# miscellaneous
self.semaphore = Condition()
self.disk = HardDisk()
self.comparator = lambda pcb1, pcb2: pcb1.getPriority() > pcb2.getPriority() # the greater, the better
self.readyQueue = OwnHeap(self.semaphore, self.comparator)
# hardware
self.memory = RAM(1000)
self.mmu = MMU(1, self.memory)
self.ioDelivery = IODelivery()
self.progLoader = ProgramLoader(self.memory, self.disk, self.readyQueue, self.mmu)
self.imanager = InterruptorManager()
self.cpu = CPU(self.memory, self.imanager, self.semaphore, self.mmu)
self.scheduler = Scheduler(self.cpu, self.readyQueue, 5, self.semaphore)
# devices
self.spooler = Device("printer", self.imanager)
self.screen = Device("screen", self.imanager)
self.ioDelivery.newDevice(self.spooler)
self.ioDelivery.newDevice(self.screen)
# im
self.imanager.setScheduler(self.scheduler)
self.imanager.setDisk(self.disk)
self.imanager.setMmu(self.mmu)
self.imanager.setIODelivery(self.ioDelivery)
# loading programs
self.ioInstruction = InstIO("directory", 0)
self.cpuInstruction = InstCPU("1+1")
self.prog1 = Program("ls")
self.prog2 = Program("pwd")
self.prog1.addInstruction(self.cpuInstruction)
self.prog2.addInstruction(self.ioInstruction)
self.disk.setProgram(self.prog1)
self.disk.setProgram(self.prog2)
class TestSchedulerPriorityRoundRobin(unittest.TestCase):
def repeat(self, f, N):
for _ in itertools.repeat(None, N): f()
def setUp(self):
self.comparator = lambda pcb1, pcb2: pcb1.getPriority() > pcb2.getPriority() # the greater, the better
self.semaphore = Mock()
self.myCpu = Mock()
self.queue = OwnHeap(self.semaphore, self.comparator)
self.myScheduler = Scheduler(self.myCpu, self.queue, 1, self.semaphore) # Priority Round Robin
self.highPriorityPCB = PCB(1, 1, 5, 10)
self.higherPriorityPCB = PCB(1, 1, 5, 15)
self.lowPriorityPCB = PCB(2, 6, 5, 1)
self.queue.put(self.highPriorityPCB)
self.queue.put(self.higherPriorityPCB)
self.queue.put(self.lowPriorityPCB)
def test_when_the_cpu_is_free_then_the_scheduler_set_the_pcb_with_the_higher_priority(self):
self.myScheduler.setPcbToCPU()
verify(self.myCpu).setPCB(self.higherPriorityPCB)
def test_when_a_pcb_is_assingned_the_burst_is_assigned_too(self):
self.myScheduler.setPcbToCPU()
self.burstExpected = self.higherPriorityPCB.getBurst()
self.assertEqual(1, self.burstExpected)
def test_when_the_queue_is_empty_it_waits_until_it_is_refilled(self):
try:
self.repeat(self.myScheduler.setPcbToCPU, 3)
self.myScheduler.setPcbToCPU()
verify(self.semaphore).wait()
except Exception:
pass
else:
self.fail("unsexpected exception")
class TestSchedulerPriorityRoundRobin(unittest.TestCase):
def repeat(self, f, N):
for _ in itertools.repeat(None, N):
f()
def setUp(self):
self.comparator = lambda pcb1, pcb2: pcb1.getPriority(
) > pcb2.getPriority() # the greater, the better
self.semaphore = Mock()
self.myCpu = Mock()
self.queue = OwnHeap(self.semaphore, self.comparator)
self.myScheduler = Scheduler(self.myCpu, self.queue, 1,
self.semaphore) # Priority Round Robin
self.highPriorityPCB = PCB(1, 1, 5, 10)
self.higherPriorityPCB = PCB(1, 1, 5, 15)
self.lowPriorityPCB = PCB(2, 6, 5, 1)
self.queue.put(self.highPriorityPCB)
self.queue.put(self.higherPriorityPCB)
self.queue.put(self.lowPriorityPCB)
def test_when_the_cpu_is_free_then_the_scheduler_set_the_pcb_with_the_higher_priority(
self):
self.myScheduler.setPcbToCPU()
verify(self.myCpu).setPCB(self.higherPriorityPCB)
def test_when_a_pcb_is_assingned_the_burst_is_assigned_too(self):
self.myScheduler.setPcbToCPU()
self.burstExpected = self.higherPriorityPCB.getBurst()
self.assertEqual(1, self.burstExpected)
def test_when_the_queue_is_empty_it_waits_until_it_is_refilled(self):
try:
self.repeat(self.myScheduler.setPcbToCPU, 3)
self.myScheduler.setPcbToCPU()
verify(self.semaphore).wait()
except Exception:
pass
else:
self.fail("unsexpected exception")
