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))
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))
class ProgramLoaderTest(unittest.TestCase):
def setUp(self):
self.disco = Mock()
self.mmu = Mock()
self.coladeprocesos = Mock()
self.ram = RAM(65534)
self.mmuReal = MMU(1, self.ram)
self.mmuReal2 = MMU(2, self.ram)
self.progLoader = ProgramLoader(self.ram, self.disco,
self.coladeprocesos, self.mmu)
self.progLoader2 = ProgramLoader(self.ram, self.disco,
self.coladeprocesos, self.mmuReal)
self.progLoader3 = ProgramLoader(self.ram, self.disco,
self.coladeprocesos, self.mmuReal2)
# Preparando un programa de dos (2) instrucciones
self.instruccion1 = InstCPU("2+2")
self.instruccion2 = InstIO("Leer de teclado", 2)
self.program = Program("prog")
self.program.addInstruction(self.instruccion1)
self.program.addInstruction(self.instruccion2)
def test_load_a_program_pcb_creation(self):
when(self.disco).getProgram("programa").thenReturn(self.program)
when(self.mmu).getFrameSize().thenReturn(1)
self.scope = Scope([Page(0), Page(23)], [Page(123)])
when(self.mmu).getMemoryScope(self.program).thenReturn(self.scope)
when(self.mmu).fromPageToAbsolutePosition(0).thenReturn(0)
when(self.mmu).fromPageToAbsolutePosition(23).thenReturn(23)
when(self.disco).getProgram("programa").thenReturn(self.program)
self.progLoader.loadProcess("programa")
self.assertEquals(self.progLoader.getNextId(), 2)
verify(self.mmu, 1).getMemoryScope(self.program)
self.assertEquals(self.ram.getDir(0), self.instruccion1)
def test_load_a_program_pcb_creation_with_1_page(self):
when(self.disco).getProgram("programa").thenReturn(self.program)
when(self.mmu).getFrameSize().thenReturn(2)
self.scope = Scope([Page(23)], [Page(45)])
when(self.mmu).getMemoryScope(self.program).thenReturn(self.scope)
when(self.mmu).fromPageToAbsolutePosition(23).thenReturn(46)
when(self.disco).getProgram("programa").thenReturn(self.program)
self.progLoader.loadProcess("programa")
self.assertEquals(self.progLoader.getNextId(), 2)
verify(self.mmu, 1).getMemoryScope(self.program)
self.assertEquals(self.ram.getDir(46), self.instruccion1)
self.assertEquals(self.ram.getDir(47), self.instruccion2)
def test_load_a_program_pcb_creation_with_a_real_mmu(self):
when(self.disco).getProgram("programa").thenReturn(self.program)
when(self.disco).getProgram("programa").thenReturn(self.program)
self.progLoader2.loadProcess("programa")
self.assertEquals(self.progLoader.getNextId(), 1)
self.assertEquals(self.ram.getDir(0), self.instruccion1)