def test_port_costs(self):
p = OutputPort('SW2')
p2 = OutputPort('ES2')
M = np.array([[0, 10, 100], [10, 20, 100]])
M2 = np.array([[0, 10, 100], [10, 50, 100]])
p._M_Windows = M
p2._M_Windows = M2
s1 = Switch('SW1')
s2 = Switch('SW2')
s1.output_ports = {'SW2': p}
s2.output_ports = {'ES2': p2}
tc = TC({'SW1': s1, 'SW2': s2}, {}, '')
cc = cost_check.CostChecker()
self.assertEqual(cc.cost(tc), 20 / 100 + 50 / 100)
d = cc.port_costs(tc)
self.assertEqual(True, d['SW1,SW2'] == 20 / 100)
self.assertEqual(True, d['SW2,ES2'] == 50 / 100)
def test_same_period_empty_but_period(self):
p = OutputPort('SW1')
M = np.array([[0, 0, 100], [0, 0, 100]])
p._M_Windows = M
self.assertEqual(p.get_occupation_percentage(), 0 / 100)
def test_same_period_overlap(self):
p = OutputPort('SW1')
M = np.array([[0, 20, 100], [10, 20, 100]])
p._M_Windows = M
self.assertEqual(p.get_occupation_percentage(), 20 / 100)
def test_different_period_overlap(self):
p = OutputPort('SW1')
M = np.array([[0, 10, 50], [0, 10, 65]])
p._M_Windows = M
self.assertEqual(p.get_occupation_percentage(), 210 / 650)
def test_dq_period_unevenstart(self):
p = OutputPort('SW1')
p.queues = {None}
p._M_Windows = np.array([[0, 0, 100]])
p._free_period = 1337
p.dq_modify_period(True)
self.assertEqual(p._free_period, 668)
def test_empty_windows(self):
p = OutputPort('SW1')
M = np.array([[0, 0, 0], [0, 0, 0]])
p._M_Windows = M
with self.assertRaises(ValueError) as e:
p.get_occupation_percentage()
def test_dq_period_normal(self):
p = OutputPort('SW1')
p.queues = {None}
p._M_Windows = np.array([[0, 0, 100]])
p._free_period = 100
p.dq_modify_period(True)
self.assertEqual(p._free_period, 50)
p.dq_modify_period(False)
self.assertEqual(p._free_period, 75)
p.dq_modify_period(True)
self.assertEqual(p._free_period, 62)
p.dq_modify_period(True)
self.assertEqual(p._free_period, 56)
p.dq_modify_period(False)
self.assertEqual(p._free_period, 59)
self.assertEqual(p.dq_modify_period(True), True)
def test_port_costs(self):
p = OutputPort('SW2')
M = np.array([[0, 20, 80], [20, 50, 90], [50, 70, 100]])
tl = 0
hp = 3600
for r in M:
tl = tl + hp / r[2] * (r[1] - r[0])
tp = tl / hp
p._M_Windows = M
s1 = Switch('SW1')
s1.output_ports = {'ES2': p}
tc = TC({'SW1': s1}, {}, '')
cc = cost_check.CostChecker()
cp = cc.cost(tc)
self.assertEqual(True, cp < tp)
def test_dq_period_lower(self):
p = OutputPort('SW1')
p.queues = {None}
p._M_Windows = np.array([[0, 0, 100]])
p._free_period = 100
p.dq_modify_period(True)
self.assertEqual(p._free_period, 50)
p.dq_modify_period(True)
self.assertEqual(p._free_period, 25)
p.dq_modify_period(True)
self.assertEqual(p._free_period, 12)
p.dq_modify_period(True)
self.assertEqual(p._free_period, 6)
p.dq_modify_period(True)
self.assertEqual(p._free_period, 3)
p.dq_modify_period(True)
self.assertEqual(p._free_period, 1)
p.dq_modify_period(True)
self.assertEqual(p._free_period, 0)
p.dq_modify_period(True)
self.assertEqual(p._free_period, 0)
self.assertEqual(p.dq_modify_period(True), False)