def test_notify(self):
p = PCB(Process("Res_notify"), state=State.L)
print ProcessManager().jobs
p.process.workplan = Workplan().work(20).wait(15).work(25)
p.process.doWork(20) # get rid of work section
p.setWaiting()
#wait(15) in queue
self.queue.append(p)
st = SystemTimer(timeunit=10)
st.tick() #wait(5) left
self.assertListEqual(self.queue.pickup_ready_processes(), [])
st.tick() #should tick 5
# process should be in queue
ready_p_from_queue = self.queue.pickup_ready_processes()
self.assertListEqual(ready_p_from_queue, [p])
class StateMachineCase(unittest.TestCase):
"""
See Abb.2.2 bachelors thesis Christoph Gerneth 2015 for process state model
"""
def setUp(self):
ProcessManager().jobs = [] # make sure the manager is clean
self.pcb = PCB(Process('state-test'))
def test_pcb_states_IB(self):
#process is in state I by default
self.pcb.setReady()
pass
def test_pcb_states_BL(self):
self.pcb.state = State.B # initialize process
self.pcb.setRunning()
pass
def test_valid_states(self):
"""
covering all edges of the graph.
"""
self.pcb.state = State.I # we start with an inactive state
self.pcb.setReady() # I -> B
self.pcb.setRunning() # B -> L
self.pcb.setWaiting() # L -> W
self.pcb.setReady() # W -> B
self.pcb.setRunning() # B -> L (this needs to be done twice, sorry)
self.pcb.setInactive()# L -> I
self.assertIs(self.pcb.state, State.I)
def test_valid_states_02(self):
"""
should do nothing...
"""
self.pcb.state = State.I
self.pcb.setInactive()
pass
def test_invalid_01(self):
self.pcb.state = State.I
self.assertRaises(RuntimeError, self.pcb.setRunning)