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 setUp(self):
self.memory = RAM(65535)
self.mmu = MMU(4,self.memory)
self.pcbAuxiliar2 = PCB(0,[0],0,0,4,[1])
self.memory.putDir(4, 4)
self.memory.putDir(5, 5)
self.memory.putDir(6, 5)
self.mov = Mov(0,1)
self.movLiteral= MovLiteral(0,78)
self.add = Add(0,1)
self.addLiteral = AddLiteral(0,67)
self.jump = Jmp(0)
self.cmpEqual = Cmp(1, 2)
self.cmpLess = Cmp(0, 1)
self.cmpLiteralEqual = CmpLiteral(0, 4)
self.cmpLiteralLess = CmpLiteral(2, 7)
self.je = Je(3)
self.jl = Jl(3)
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 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")
class Test(unittest.TestCase):
def setUp(self):
self.memory = RAM(65535)
self.mmu = MMU(4,self.memory)
self.pcbAuxiliar2 = PCB(0,[0],0,0,4,[1])
self.memory.putDir(4, 4)
self.memory.putDir(5, 5)
self.memory.putDir(6, 5)
self.mov = Mov(0,1)
self.movLiteral= MovLiteral(0,78)
self.add = Add(0,1)
self.addLiteral = AddLiteral(0,67)
self.jump = Jmp(0)
self.cmpEqual = Cmp(1, 2)
self.cmpLess = Cmp(0, 1)
self.cmpLiteralEqual = CmpLiteral(0, 4)
self.cmpLiteralLess = CmpLiteral(2, 7)
self.je = Je(3)
self.jl = Jl(3)
def test_when_move_the_value_from_1_to_0_then_the_cell_0_has_the_value_of_the_cell_1(self):
self.mov.run(self.pcbAuxiliar2, self.memory,self.mmu)
self.assertEqual(self.memory.getDir(4), self.memory.getDir(5))
def test_when_move_a_literal_value_to_a_cell_then_the_cell_has_that_value(self):
self.movLiteral.run(self.pcbAuxiliar2, self.memory,self.mmu)
self.assertEqual(self.memory.getDir(4), 78)
def test_when_add_a_literal_value_to_a_cell_then_the_cell_has_that_value_plus_the_value_of_the_cell(self):
self.add.run(self.pcbAuxiliar2, self.memory,self.mmu)
self.assertEqual(self.memory.getDir(4), 9)
def test_when_add_the_value_from_1_to_0_then_the_cell_0_has_the_value_of_the_cell_1_plus_the_value_of_the_cell_0(self):
self.addLiteral.run(self.pcbAuxiliar2, self.memory,self.mmu)
self.assertEqual(self.memory.getDir(4), 71)
def test_when_the_instruction_jump_runs_then_the_pcb_asociated_changes_his_pc_to_the_relative_value(self):
self.pcbAuxiliar2.runing()
self.pcbAuxiliar2.incrementPc()
self.pcbAuxiliar2.incrementPc()
self.jump.run(self.pcbAuxiliar2, self.memory,self.mmu)
self.assertEquals(self.pcbAuxiliar2.getPc(), 0)
def test_when_cmp_2_equal_values_then_it_sets_the_pcb_flagZ_as_True(self):
self.cmpEqual.run(self.pcbAuxiliar2, self.memory,self.mmu)
self.assertTrue(self.pcbAuxiliar2.getFlagZ())
self.assertFalse(self.pcbAuxiliar2.getFlagS())
def test_when_cmpLiteral_2_equal_values_then_it_sets_the_pcb_flagZ_as_True(self):
self.cmpLiteralEqual.run(self.pcbAuxiliar2, self.memory,self.mmu)
self.assertTrue(self.pcbAuxiliar2.getFlagZ())
self.assertFalse(self.pcbAuxiliar2.getFlagS())
def test_when_cmp_a_number_A_lesser_than_a_number_B_then_it_sets_the_pcb_flagS_as_True(self):
self.cmpLess.run(self.pcbAuxiliar2, self.memory,self.mmu)
self.assertFalse(self.pcbAuxiliar2.getFlagZ())
self.assertTrue(self.pcbAuxiliar2.getFlagS())
def test_when_cmpLiteral_a_number_A_lesser_than_a_number_B_then_it_sets_the_pcb_flagS_as_True(self):
self.cmpLiteralLess.run(self.pcbAuxiliar2, self.memory,self.mmu)
self.assertFalse(self.pcbAuxiliar2.getFlagZ())
self.assertTrue(self.pcbAuxiliar2.getFlagS())
def test_when_JE_a_pcb_with_the_flagZ_on_then_it_makes_the_displacement(self):
self.pcbAuxiliar2.flagZ=True
self.je.run(self.pcbAuxiliar2, self.memory,self.mmu)
self.assertEquals(3, self.pcbAuxiliar2.getPc())
def test_when_JL_a_pcb_with_the_flagS_ON_then_it_makes_the_displacement(self):
self.pcbAuxiliar2.flagS=True
self.jl.run(self.pcbAuxiliar2, self.memory,self.mmu)
self.assertEquals(3, self.pcbAuxiliar2.getPc())
