@Test
public void sequentialExecutorShouldExecuteTasksAccordingToDependencies() {
TaskBuilder builder = new TaskBuilder();
Runnables.TimedRunnable t1 = Runnables.timedRunnable(10);
Runnables.TimedRunnable t2 = Runnables.timedRunnable(10);
Runnables.TimedRunnable t3 = Runnables.timedRunnable(10);
Task a = builder.justRun(t1);
Task b = builder.run(t2).after(a);
Task c = builder.run(t3).after(a);
Task seq = builder.sequence(a, b, c);
new SequentialTaskExecutor().execute(seq);
assertTrue(t1.getTime() < t2.getTime());
assertTrue(t2.getTime() < t3.getTime());
for (Runnables.TimedRunnable tr : Arrays.asList(t1, t2, t3)) {
assertEquals(1, tr.callCount());
}
}
