Example #1
0
    def setUp(self):
        self.memory = RAM(65535)
        self.mmu = MMU(1,self.memory)

        self.scheduler = Mock()
        self.hdd = Mock()
        self.queue = Mock()
        self.interruptor2 = Mock()
        self.interruptor = Mock()
        self.logger = Mock()

        self.semaphore = RLock()

        self.cpu = CPU(self.memory,self.interruptor, self.semaphore,self.mmu)
        self.cpu.setLogger(self.logger)
        self.clock = Clock(self.cpu)

        self.mov = InstCPU("Matar a Flanders")
        self.Instruction2 = InstCPU("Y Tambien A Selma")
        self.instructionIO = InstIO("Soy de IO", 0)

        self.memory.putDir(0, self.mov)
        self.memory.putDir(1, self.Instruction2)
        self.memory.putDir(2, self.instructionIO)
        page0 = Page(0)
        page1 = Page(1)
        page2 = Page(2)
        page0.changeMemoryFlag()
        page1.changeMemoryFlag()
        page2.changeMemoryFlag()
        self.aPcb = PCB(0,[page0,page1,page2],3,4,1,[Page(123)])
Example #2
0
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))
Example #3
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)
Example #4
0
class CPUTest(unittest.TestCase):

    def setUp(self):
        self.memory = RAM(65535)
        self.mmu = MMU(1,self.memory)

        self.scheduler = Mock()
        self.hdd = Mock()
        self.queue = Mock()
        self.interruptor2 = Mock()
        self.interruptor = Mock()
        self.logger = Mock()

        self.semaphore = RLock()

        self.cpu = CPU(self.memory,self.interruptor, self.semaphore,self.mmu)
        self.cpu.setLogger(self.logger)
        self.clock = Clock(self.cpu)

        self.mov = InstCPU("Matar a Flanders")
        self.Instruction2 = InstCPU("Y Tambien A Selma")
        self.instructionIO = InstIO("Soy de IO", 0)

        self.memory.putDir(0, self.mov)
        self.memory.putDir(1, self.Instruction2)
        self.memory.putDir(2, self.instructionIO)
        page0 = Page(0)
        page1 = Page(1)
        page2 = Page(2)
        page0.changeMemoryFlag()
        page1.changeMemoryFlag()
        page2.changeMemoryFlag()
        self.aPcb = PCB(0,[page0,page1,page2],3,4,1,[Page(123)])
        

    def test_when_fetch_then_instruction_valid(self):
        self.expected = self.mov  # Arrange
        self.cpu.setPCB(self.aPcb)

        self.value = self.cpu.fetch()  # Act

        self.assertEquals(self.value , self.expected)  # Assert

    def test_when_fetching_third_intruction_then_IO_interruption(self):
        self.aPcb.runing()
        self.cpu.setPCB(self.aPcb) 
        self.data = [self.aPcb , self.instructionIO] 
        self.cod = 0  # Arrange

        self.cpu.tick()
        self.cpu.tick()  # Act
        self.cpu.tick()

        verify(self.interruptor).ioQueue(self.data, self.cod)  # Assert

    def test_when_fetching_last_instruction_then_pcbEnd_interruption(self):
        page0 = Page(0)
        page1 = Page(1)
        page0.changeMemoryFlag()
        page1.changeMemoryFlag()
        self.anotherPcb = PCB(0,[page0,page1],2,4,1,[123]) #The difference with aPcb, are their sizes... Arrange
        self.anotherPcb.runing()
        self.cpu.setPCB(self.anotherPcb)

        self.cpu.tick()  # Act
        self.cpu.tick()
        self.cpu.tick()

        verify(self.interruptor, 1).kill(self.anotherPcb.getPid())  # Assert