class TestsProgramLoader(unittest.TestCase):
def setUp(self):
self.disk = Disk()
self.irqQueueMock = Queue()
self.killHandleMock = Mock()
self.timeOutHandleMock = Mock()
self.ioHandleMock = Mock()
self.lockProcessingMock = Condition()
self.lockIrqQueueMock = Condition()
self.lockReadyQueueMock = Condition()
self.lockInstructions = Condition()
self.lockIrq = Condition()
self.memory = Memory(self.lockInstructions)
self.interruptionManager = InterruptionManager(self.lockReadyQueueMock,
self.lockProcessingMock,
self.irqQueueMock,
self.lockIrqQueueMock)
self.interruptionManager.registerHandler(IRQ.kill, self.killHandleMock)
self.interruptionManager.registerHandler(IRQ.timeOut,
self.timeOutHandleMock)
self.interruptionManager.registerHandler(IRQ.IO, self.ioHandleMock)
self.programLoader = ProgramLoader(self.disk, self.memory,
self.interruptionManager,
PcbTable(), self.lockIrq)
self.memoryManager = MemoryManager(self.memory, self.disk, Mock(),
Mock())
def test_when_have_a_program_Then_I_want_to_create_a_pcb_with_pid_1(self):
program = Program()
self.assertEqual(
self.programLoader.createPcb(program, "program0").pid, 1)
def test_when_have_a_program_Then_the_memory_is_write_with_a_new_program(
self):
program = Program()
instruction1 = Instruction("Cpu Instruction1", InstructionType.cpu,
ResourceType.Monitor)
instruction2 = Instruction("Cpu Instruction1", InstructionType.cpu,
ResourceType.Monitor)
instruction3 = Instruction("Cpu Instruction1", InstructionType.cpu,
ResourceType.Monitor)
instruction4 = Instruction("Cpu Instruction1", InstructionType.cpu,
ResourceType.Monitor)
program.add(instruction1)
program.add(instruction2)
program.add(instruction3)
program.add(instruction4)
self.memoryManager.loadToMemory(
self.programLoader.createPcb(program, "program0"),
program.instructions)
self.assertEqual(self.memory.cells[1], instruction2)
class TestsCpu(unittest.TestCase):
def setUp(self):
self.LockInstructionMock = Mock()
self.memory = Memory(self.LockInstructionMock)
self.interruptionManagerMock = Mock()
self.quantum = 1
self.lockPcbMock = Mock()
self.irqQueueMock = Mock()
self.lockIrqQueueMock = Mock()
self.disk = Disk()
self.frames = FramesFactory().createElement(16)
self.swapDisk = SwapDisk()
self.memoryManager = MemoryManager(self.memory, self.disk,
self.swapDisk, self.frames)
self.cpu = Cpu(self.memoryManager, self.interruptionManagerMock,
self.lockPcbMock, self.irqQueueMock,
self.lockIrqQueueMock, Mock(), '1')
def test_when_fetch_end_of_program_then_call_kill_handler(self):
queueInstruction = Queue()
instruction = Instruction("", InstructionType.kill,
ResourceType.Monitor)
pcbfinished = Pcb(0, 0, 1)
queueInstruction.put(instruction)
self.memoryManager.loadToMemory(pcbfinished, queueInstruction)
self.cpu.setPcb(pcbfinished, self.quantum)
self.cpu.fetch()
irq = IRQ(IRQ.kill, pcbfinished, self.memoryManager, self.cpu)
self.interruptionManagerMock.handle.assert_called_with(Matcher(irq))
def test_when_fetch_io_instruction_then_call_handle_io(self):
queueInstruction = Queue()
instruction = Instruction("", InstructionType.io, ResourceType.Monitor)
pcb = Pcb(0, 0, 1)
queueInstruction.put(instruction)
self.memoryManager.loadToMemory(pcb, queueInstruction)
self.cpu.setPcb(pcb, self.quantum)
self.cpu.fetch()
irq = IRQ(IRQ.IO, pcb, instruction, self.cpu)
self.interruptionManagerMock.handle.assert_called_with(Matcher(irq))
def test_when_fetch_quantum_equal_zero_then_call_time_out(self):
pcb = Pcb(0, 0, 0)
self.quantum = 0
self.cpu.setPcb(pcb, self.quantum)
self.cpu.fetch()
irq = IRQ(IRQ.timeOut, pcb, None, self.cpu)
self.interruptionManagerMock.handle.assert_called_with(Matcher(irq))
class TestsCpu(unittest.TestCase):
def setUp(self):
self.LockInstructionMock= Mock()
self.memory = Memory(self.LockInstructionMock)
self.interruptionManagerMock = Mock()
self.quantum = 1
self.lockPcbMock =Mock()
self.irqQueueMock =Mock()
self.lockIrqQueueMock = Mock()
self.disk= Disk()
self.frames= FramesFactory().createElement(16)
self.swapDisk= SwapDisk()
self.memoryManager= MemoryManager(self.memory,self.disk, self.swapDisk,self.frames)
self.cpu = Cpu(self.memoryManager, self.interruptionManagerMock, self.lockPcbMock, self.irqQueueMock, self.lockIrqQueueMock, Mock(),'1')
def test_when_fetch_end_of_program_then_call_kill_handler(self):
queueInstruction= Queue()
instruction = Instruction("", InstructionType.kill, ResourceType.Monitor)
pcbfinished = Pcb(0, 0, 1)
queueInstruction.put(instruction)
self.memoryManager.loadToMemory(pcbfinished, queueInstruction)
self.cpu.setPcb(pcbfinished, self.quantum)
self.cpu.fetch()
irq = IRQ(IRQ.kill, pcbfinished, self.memoryManager,self.cpu)
self.interruptionManagerMock.handle.assert_called_with(Matcher(irq))
def test_when_fetch_io_instruction_then_call_handle_io(self):
queueInstruction= Queue()
instruction = Instruction("", InstructionType.io, ResourceType.Monitor)
pcb = Pcb(0, 0, 1)
queueInstruction.put(instruction)
self.memoryManager.loadToMemory(pcb, queueInstruction)
self.cpu.setPcb(pcb, self.quantum)
self.cpu.fetch()
irq = IRQ(IRQ.IO, pcb, instruction,self.cpu)
self.interruptionManagerMock.handle.assert_called_with(Matcher(irq))
def test_when_fetch_quantum_equal_zero_then_call_time_out(self):
pcb = Pcb(0, 0, 0)
self.quantum = 0
self.cpu.setPcb(pcb, self.quantum)
self.cpu.fetch()
irq = IRQ(IRQ.timeOut, pcb, None,self.cpu)
self.interruptionManagerMock.handle.assert_called_with(Matcher(irq))
class TestsProgramLoader(unittest.TestCase):
def setUp(self):
self.disk= Disk()
self.irqQueueMock =Queue()
self.killHandleMock = Mock()
self.timeOutHandleMock = Mock()
self.ioHandleMock = Mock()
self.lockProcessingMock= Condition()
self.lockIrqQueueMock = Condition()
self.lockReadyQueueMock= Condition()
self.lockInstructions= Condition()
self.lockIrq= Condition()
self.memory= Memory(self.lockInstructions)
self.interruptionManager = InterruptionManager(self.lockReadyQueueMock,self.lockProcessingMock, self.irqQueueMock, self.lockIrqQueueMock)
self.interruptionManager.registerHandler(IRQ.kill, self.killHandleMock)
self.interruptionManager.registerHandler(IRQ.timeOut, self.timeOutHandleMock)
self.interruptionManager.registerHandler(IRQ.IO, self.ioHandleMock)
self.programLoader= ProgramLoader(self.disk, self.memory, self.interruptionManager, PcbTable(), self.lockIrq)
self.memoryManager= MemoryManager(self.memory, self.disk,Mock(),Mock())
def test_when_have_a_program_Then_I_want_to_create_a_pcb_with_pid_1(self):
program= Program()
self.assertEqual(self.programLoader.createPcb(program, "program0").pid, 1)
def test_when_have_a_program_Then_the_memory_is_write_with_a_new_program(self):
program= Program()
instruction1= Instruction("Cpu Instruction1", InstructionType.cpu, ResourceType.Monitor)
instruction2= Instruction("Cpu Instruction1", InstructionType.cpu, ResourceType.Monitor)
instruction3= Instruction("Cpu Instruction1", InstructionType.cpu, ResourceType.Monitor)
instruction4= Instruction("Cpu Instruction1", InstructionType.cpu, ResourceType.Monitor)
program.add(instruction1)
program.add(instruction2)
program.add(instruction3)
program.add(instruction4)
self.memoryManager.loadToMemory(self.programLoader.createPcb(program,"program0"), program.instructions)
self.assertEqual(self.memory.cells[1], instruction2)
