def test_get_emptiest_package(self):
t0 = Thread(0)
t1 = Thread(1)
t2 = Thread(2)
t3 = Thread(3)
t4 = Thread(4)
t5 = Thread(5)
t6 = Thread(6)
t7 = Thread(7)
p0 = Package(0, [Core(0, [t0, t4]), Core(1, [t1, t5])])
p1 = Package(1, [Core(0, [t2, t6]), Core(1, [t3, t7])])
cpu = Cpu([p0, p1])
# The first package should be the emptiest
self.assertEqual(p0, cpu.get_emptiest_package())
# The second package should be the emptiest after we claim a thread on the first
t5.claim(uuid.uuid4())
self.assertEqual(p1, cpu.get_emptiest_package())
# The first package should be the emptiest again, after we release the claimed thread
t5.clear()
self.assertEqual(p0, cpu.get_emptiest_package())
# The first package should be emptiest when we claim a thread on the second
t3.claim(uuid.uuid4())
self.assertEqual(p0, cpu.get_emptiest_package())
# When an equal number of threads are claimed on both packages, the first should be returned
t4.claim(uuid.uuid4())
self.assertEqual(p0, cpu.get_emptiest_package())
def test_claim(self):
workload_id = uuid.uuid4()
t = Thread(42)
self.assertEqual(0, len(t.get_workload_ids()))
t.claim(workload_id)
self.assertEqual(1, len(t.get_workload_ids()))
self.assertEqual(workload_id, t.get_workload_ids()[0])
t.clear()
self.assertEqual(0, len(t.get_workload_ids()))
def test_clear_multiple_claims(self):
workload_id_a = "a"
workload_id_b = "b"
t = Thread(42)
t.claim(workload_id_a)
t.claim(workload_id_b)
self.assertTrue(t.is_claimed())
self.assertEqual(2, len(t.get_workload_ids()))
t.clear()
self.assertFalse(t.is_claimed())
self.assertEqual(0, len(t.get_workload_ids()))
def test_get_empty_threads(self):
t0 = Thread(0)
t1 = Thread(1)
t2 = Thread(2)
t3 = Thread(3)
c0 = Core(0, [t0, t2])
c1 = Core(1, [t1, t3])
p = Package(1, [c0, c1])
self.assertEqual([t0, t2, t1, t3], p.get_empty_threads())
t1.claim(uuid.uuid4())
self.assertEqual([t0, t2, t3], p.get_empty_threads())
t1.clear()
self.assertEqual([t0, t2, t1, t3], p.get_empty_threads())