Minestom/src/test/java/net/minestom/server/timer/TestScheduler.java

240 lines
9.9 KiB
Java

package net.minestom.server.timer;
import net.minestom.server.MinecraftServer;
import org.junit.jupiter.api.Test;
import java.time.Duration;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;
import static org.junit.jupiter.api.Assertions.*;
public class TestScheduler {
@Test
public void tickTask() {
Scheduler scheduler = Scheduler.newScheduler();
AtomicBoolean result = new AtomicBoolean(false);
Task task = scheduler.scheduleNextTick(() -> result.set(true));
assertEquals(task.executionType(), ExecutionType.TICK_START, "Tasks default execution type should be tick start");
assertFalse(result.get(), "Tick task should not be executed after scheduling");
scheduler.process();
assertFalse(result.get(), "Tick task should not be executed after process");
scheduler.processTickEnd();
assertFalse(result.get(), "Tick task should not be executed after processTickEnd");
scheduler.processTick();
assertTrue(result.get(), "Tick task must be executed after tick process");
assertFalse(task.isAlive(), "Tick task should be cancelled after execution");
}
@Test
public void durationTask() throws InterruptedException {
Scheduler scheduler = Scheduler.newScheduler();
AtomicBoolean result = new AtomicBoolean(false);
scheduler.buildTask(() -> result.set(true))
.delay(TaskSchedule.seconds(1))
.schedule();
Thread.sleep(100);
scheduler.process();
assertFalse(result.get(), "900ms remaining");
Thread.sleep(1200);
scheduler.process();
assertTrue(result.get(), "Tick task must be executed after 1 second");
}
@Test
public void immediateTask() {
Scheduler scheduler = Scheduler.newScheduler();
AtomicBoolean result = new AtomicBoolean(false);
scheduler.scheduleNextProcess(() -> result.set(true));
assertFalse(result.get());
scheduler.processTickEnd();
assertFalse(result.get(), "processTickEnd should never execute immediate tasks unless it is of type TICK_END");
scheduler.process();
assertTrue(result.get());
result.set(false);
scheduler.process();
assertFalse(result.get());
}
@Test
public void cancelTask() {
Scheduler scheduler = Scheduler.newScheduler();
AtomicBoolean result = new AtomicBoolean(false);
var task = scheduler.buildTask(() -> result.set(true))
.schedule();
assertTrue(task.isAlive(), "Task should still be alive");
task.cancel();
assertFalse(task.isAlive(), "Task should not be alive anymore");
scheduler.process();
assertFalse(result.get(), "Task should be cancelled");
}
@Test
public void cancelAsyncDelayedTask() throws InterruptedException {
Scheduler scheduler = Scheduler.newScheduler();
AtomicBoolean result = new AtomicBoolean(false);
var task = scheduler.buildTask(() -> result.set(true))
.delay(Duration.ofMillis(1))
.executionType(ExecutionType.ASYNC)
.schedule();
assertTrue(task.isAlive(), "Task should still be alive");
task.cancel();
assertFalse(task.isAlive(), "Task should not be alive anymore");
scheduler.process();
Thread.sleep(10L);
assertFalse(result.get(), "Task should be cancelled");
}
@Test
public void parkTask() {
Scheduler scheduler = Scheduler.newScheduler();
// Ignored parked task
scheduler.buildTask(() -> fail("This parked task should never be executed"))
.executionType(ExecutionType.SYNC)
.delay(TaskSchedule.park())
.schedule();
// Unpark task
AtomicBoolean result = new AtomicBoolean(false);
var task = scheduler.buildTask(() -> result.set(true))
.delay(TaskSchedule.park())
.schedule();
assertTrue(task.isParked());
assertFalse(result.get(), "Task hasn't been unparked yet");
task.unpark();
assertFalse(task.isParked());
assertFalse(result.get(), "Tasks must be processed first");
scheduler.process();
assertFalse(task.isParked());
assertTrue(result.get(), "Parked task should be executed");
}
@Test
public void futureTask() {
Scheduler scheduler = Scheduler.newScheduler();
CompletableFuture<Void> future = new CompletableFuture<>();
AtomicBoolean result = new AtomicBoolean(false);
scheduler.buildTask(() -> result.set(true))
.delay(TaskSchedule.future(future))
.schedule();
assertFalse(result.get(), "Future is not completed yet");
future.complete(null);
assertFalse(result.get(), "Tasks must be processed first");
scheduler.process();
assertTrue(result.get(), "Future should be completed");
}
@Test
public void asyncTask() throws InterruptedException {
final Thread currentThread = Thread.currentThread();
Scheduler scheduler = Scheduler.newScheduler();
AtomicBoolean result = new AtomicBoolean(false);
scheduler.buildTask(() -> {
assertNotEquals(currentThread, Thread.currentThread(),
"Task should be executed in a different thread");
result.set(true);
})
.executionType(ExecutionType.ASYNC)
.schedule();
assertFalse(result.get(), "Async task should only be executed after process()");
scheduler.process();
Thread.sleep(250);
assertTrue(result.get(), "Async task didn't get executed");
}
@Test
public void exceptionTask() {
MinecraftServer.init();
Scheduler scheduler = Scheduler.newScheduler();
scheduler.scheduleNextTick(() -> {
throw new RuntimeException("Test exception");
});
// This is a bit of a weird use case. I dont want this test to depend on the order the scheduler executes in
// so this is a guess that the first one wont be before all 100 of the ones scheduled below.
// Not great, but should be fine anyway.
AtomicInteger executed = new AtomicInteger(0);
for (int i = 0; i < 100; i++) {
scheduler.scheduleNextTick(executed::incrementAndGet);
}
assertDoesNotThrow(scheduler::processTick);
assertEquals(100, executed.get());
}
@Test
public void scheduleEndOfTick() {
Scheduler scheduler = Scheduler.newScheduler();
AtomicBoolean result = new AtomicBoolean(false);
scheduler.scheduleEndOfTick(() -> result.set(true));
assertFalse(result.get(), "End of tick tasks should not be executed immediately upon submission");
scheduler.processTick();
assertFalse(result.get(), "End of tick tasks should not be executed by processTick()");
scheduler.processTickEnd();
assertTrue(result.get(), "scheduleEndOfTick(...) tasks should be executed after the next call to processTickEnd()");
result.set(false);
scheduler.scheduleEndOfTick(() -> result.set(true));
scheduler.processTickEnd();
assertTrue(result.get(), "scheduleEndOfTick(...) tasks should always execute on the very next processTickEnd()");
}
@Test
public void delayedEndOfTick() {
Scheduler scheduler = Scheduler.newScheduler();
AtomicBoolean result = new AtomicBoolean(false);
scheduler.buildTask(() -> result.set(true)).delay(TaskSchedule.tick(1))
.executionType(ExecutionType.TICK_END).schedule();
scheduler.processTickEnd(); scheduler.processTickEnd();
assertFalse(result.get(), "processTickEnd() should not increment the scheduler's internal tick counter");
scheduler.processTick();
scheduler.processTickEnd();
assertTrue(result.get(), "processTick() should increment the current tick counter processTickEnd() uses");
}
@Test
public void repeatingEndOfTick() {
Scheduler scheduler = Scheduler.newScheduler();
AtomicInteger result = new AtomicInteger(0);
Task task = scheduler.scheduleTask(result::getAndIncrement, TaskSchedule.immediate(), TaskSchedule.tick(1), ExecutionType.TICK_END);
assertEquals(0, result.get(), "TICK_END tasks should not be executed immediately upon submission");
scheduler.processTickEnd();
assertEquals(1, result.get(), "processTickEnd() should always execute TaskSchedule.immediate() TICK_END tasks");
scheduler.processTickEnd();
assertEquals(1, result.get(), "task should not executed on processTickEnd() again until processTick() is called");
scheduler.processTick();
assertEquals(1, result.get(), "processTick() should never execute TICK_END tasks");
scheduler.processTickEnd();
assertEquals(2, result.get(), "processTickEnd() should execute this task");
task.cancel();
scheduler.processTick();
scheduler.processTickEnd();
assertEquals(2, result.get(), "this task should have been cancelled");
}
@Test
public void durationEndOfTick() throws InterruptedException {
Scheduler scheduler = Scheduler.newScheduler();
AtomicBoolean result = new AtomicBoolean(false);
scheduler.buildTask(() -> result.set(true))
.delay(TaskSchedule.seconds(1))
.executionType(ExecutionType.TICK_END)
.schedule();
Thread.sleep(100);
scheduler.process();
scheduler.processTickEnd();
assertFalse(result.get(), "900ms remaining");
Thread.sleep(1200);
scheduler.process();
assertFalse(result.get(), "process() should never execute TICK_END tasks");
scheduler.processTickEnd();
assertTrue(result.get(), "Tick end task must be executed after 1 second");
}
}