Examples with Monkey com.netflix.simianarmy.Monkey used on opensource projects

Example 1 with Monkey

use of com.netflix.simianarmy.Monkey in project SimianArmy by Netflix.

the class TestBasicScheduler method testRunner.

@Test
public void testRunner() throws InterruptedException {
    BasicScheduler sched = new BasicScheduler(200, TimeUnit.MILLISECONDS, 1);
    Monkey mockMonkey = mock(Monkey.class);
    when(mockMonkey.context()).thenReturn(new TestMonkeyContext(Enums.MONKEY));
    when(mockMonkey.type()).thenReturn(Enums.MONKEY).thenReturn(Enums.MONKEY);
    final AtomicLong counter = new AtomicLong(0L);
    sched.start(mockMonkey, new Runnable() {

        @Override
        public void run() {
            counter.incrementAndGet();
        }
    });
    Thread.sleep(100);
    Assert.assertEquals(counter.get(), 1);
    Thread.sleep(200);
    Assert.assertEquals(counter.get(), 2);
    sched.stop(mockMonkey);
    Thread.sleep(200);
    Assert.assertEquals(counter.get(), 2);
}

Example 2 with Monkey

use of com.netflix.simianarmy.Monkey in project SimianArmy by Netflix.

the class TestBasicCalendar method testMonkeyTime.

@Test
void testMonkeyTime() {
    Calendar test = Calendar.getInstance();
    Monkey monkey = new TestMonkey();
    // using leap day b/c it is not a holiday & not a weekend
    test.set(Calendar.YEAR, 2012);
    test.set(Calendar.MONTH, Calendar.FEBRUARY);
    test.set(Calendar.DAY_OF_MONTH, 29);
    // 8am leap day
    test.set(Calendar.HOUR_OF_DAY, 8);
    setNow(test);
    Assert.assertFalse(isMonkeyTime(monkey));
    // 10am leap day
    test.set(Calendar.HOUR_OF_DAY, 10);
    setNow(test);
    Assert.assertTrue(isMonkeyTime(monkey));
    // 5pm leap day
    test.set(Calendar.HOUR_OF_DAY, 17);
    setNow(test);
    Assert.assertFalse(isMonkeyTime(monkey));
    // set to the following Saturday so we can test we dont run on weekends
    // even though within "business hours"
    test.set(Calendar.DAY_OF_WEEK, Calendar.SATURDAY);
    test.set(Calendar.HOUR_OF_DAY, 10);
    setNow(test);
    Assert.assertFalse(isMonkeyTime(monkey));
    // test config overrides
    PROPS.setProperty("simianarmy.calendar.isMonkeyTime", Boolean.toString(true));
    Assert.assertTrue(isMonkeyTime(monkey));
    PROPS.setProperty("simianarmy.calendar.isMonkeyTime", Boolean.toString(false));
    Assert.assertFalse(isMonkeyTime(monkey));
}

Example 3 with Monkey

use of com.netflix.simianarmy.Monkey in project SimianArmy by Netflix.

the class TestBasicScheduler method testDelayedStart.

@Test
public void testDelayedStart() throws Exception {
    BasicScheduler sched = new BasicScheduler(1, TimeUnit.HOURS, 1);
    TestMonkeyContext context = new TestMonkeyContext(Enums.MONKEY);
    Monkey mockMonkey = mock(Monkey.class);
    when(mockMonkey.context()).thenReturn(context).thenReturn(context);
    when(mockMonkey.type()).thenReturn(Enums.MONKEY).thenReturn(Enums.MONKEY);
    // first monkey has no previous events, so it runs practically immediately
    FutureTask<Void> task = new FutureTask<Void>(Callables.<Void>returning(null));
    sched.start(mockMonkey, task);
    // make sure that the task gets completed within 100ms
    task.get(100L, TimeUnit.MILLISECONDS);
    sched.stop(mockMonkey);
    // create an event 5 min ago
    Calendar cal = Calendar.getInstance();
    cal.add(Calendar.MINUTE, -5);
    BasicRecorderEvent evt = new BasicRecorderEvent(Enums.MONKEY, EventEnums.EVENT, "region", "test-id", cal.getTime().getTime());
    context.recorder().recordEvent(evt);
    // this time when it runs it will not run immediately since it should be scheduled for 55m from now.
    task = new FutureTask<Void>(Callables.<Void>returning(null));
    sched.start(mockMonkey, task);
    try {
        task.get(100, TimeUnit.MILLISECONDS);
        Assert.fail("The task shouldn't have been completed in 100ms");
    } catch (TimeoutException e) {
    // NOPMD - This is an expected exception
    }
    sched.stop(mockMonkey);
}

Example 4 with Monkey

use of com.netflix.simianarmy.Monkey in project SimianArmy by Netflix.

the class TestBasicChaosMonkey method testFullProbability.

@Test
public void testFullProbability() {
    TestChaosMonkeyContext ctx = new TestChaosMonkeyContext("fullProbability.properties") {

        @Override
        public MonkeyScheduler scheduler() {
            return new MonkeyScheduler() {

                @Override
                public int frequency() {
                    return 1;
                }

                @Override
                public TimeUnit frequencyUnit() {
                    return TimeUnit.DAYS;
                }

                @Override
                public void start(Monkey monkey, Runnable run) {
                    Assert.assertEquals(monkey.type().name(), monkey.type().name(), "starting monkey");
                    run.run();
                }

                @Override
                public void stop(Monkey monkey) {
                    Assert.assertEquals(monkey.type().name(), monkey.type().name(), "stopping monkey");
                }
            };
        }
    };
    ChaosMonkey chaos = new BasicChaosMonkey(ctx);
    chaos.start();
    chaos.stop();
    List<InstanceGroup> selectedOn = ctx.selectedOn();
    List<String> terminated = ctx.terminated();
    Assert.assertEquals(selectedOn.size(), 4);
    Assert.assertEquals(selectedOn.get(0).type(), TestChaosMonkeyContext.CrawlerTypes.TYPE_A);
    Assert.assertEquals(selectedOn.get(0).name(), "name0");
    Assert.assertEquals(selectedOn.get(1).type(), TestChaosMonkeyContext.CrawlerTypes.TYPE_A);
    Assert.assertEquals(selectedOn.get(1).name(), "name1");
    Assert.assertEquals(selectedOn.get(2).type(), TestChaosMonkeyContext.CrawlerTypes.TYPE_B);
    Assert.assertEquals(selectedOn.get(2).name(), "name2");
    Assert.assertEquals(selectedOn.get(3).type(), TestChaosMonkeyContext.CrawlerTypes.TYPE_B);
    Assert.assertEquals(selectedOn.get(3).name(), "name3");
    Assert.assertEquals(terminated.size(), 4);
}