def test_drain_one(self):
key = lease_management.MachineType(target_size=0, ).put()
key = lease_management.MachineLease(
id='%s-0' % key.id(),
machine_type=key,
).put()
lease_management.drain_excess()
self.assertEqual(lease_management.MachineLease.query().count(), 1)
self.assertTrue(key.get().drained)
def test_drain_batched(self):
key = lease_management.MachineType(
enabled=False,
target_size=2,
).put()
lease_management.MachineLease(
id='%s-0' % key.id(),
machine_type=key,
).put()
lease_management.MachineLease(
id='%s-1' % key.id(),
machine_type=key,
).put()
key = lease_management.MachineType(
enabled=False,
target_size=2,
).put()
lease_management.MachineLease(
id='%s-0' % key.id(),
machine_type=key,
).put()
lease_management.MachineLease(
id='%s-1' % key.id(),
machine_type=key,
).put()
key = lease_management.MachineType(target_size=0, ).put()
lease_management.MachineLease(
id='%s-0' % key.id(),
machine_type=key,
).put()
# Choice of 2, 2, 1 above and 3 here ensures at least one batch contains
# MachineLease entities created for two different MachineTypes.
lease_management.drain_excess(max_concurrent=3)
self.assertEqual(lease_management.MachineLease.query().count(), 5)
for machine_lease in lease_management.MachineLease.query():
self.assertTrue(machine_lease.drained)
def test_drain_all(self):
key = lease_management.MachineType(
enabled=False,
target_size=3,
).put()
lease_management.MachineLease(
id='%s-0' % key.id(),
machine_type=key,
).put()
lease_management.MachineLease(
id='%s-1' % key.id(),
machine_type=key,
).put()
lease_management.MachineLease(
id='%s-2' % key.id(),
machine_type=key,
).put()
lease_management.drain_excess()
self.assertEqual(lease_management.MachineLease.query().count(), 3)
for machine_lease in lease_management.MachineLease.query():
self.assertTrue(machine_lease.drained)
def test_no_machine_types(self):
lease_management.drain_excess()
self.failIf(lease_management.MachineLease.query().count())