def test_add_idle_slave_does_not_mark_build_finished_when_slaves_not_done(self):
master = ClusterMaster()
slave1 = Slave('', 1)
slave2 = Slave('', 1)
slave3 = Slave('', 1)
slave1.current_build_id = 1
slave2.current_build_id = None
slave3.current_build_id = 1
build1 = Build(BuildRequest({}))
master._all_slaves_by_url = {'1': slave1, '2': slave2, '3': slave3}
master._all_builds_by_id = {1: build1}
build1._build_id = 1
build1.finish = MagicMock()
master.add_idle_slave(slave1)
self.assertFalse(build1.finish.called)
