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_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_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