Search in sources :

Example 56 with HystrixCommandKey

use of com.netflix.hystrix.HystrixCommandKey in project Hystrix by Netflix.

the class HealthCountsStreamTest method testFallbackMissing.

@Test
public void testFallbackMissing() {
    HystrixCommandKey key = HystrixCommandKey.Factory.asKey("CMD-Health-K");
    stream = HealthCountsStream.getInstance(key, 10, 100);
    final CountDownLatch latch = new CountDownLatch(1);
    stream.observe().take(10).subscribe(getSubscriber(latch));
    CommandStreamTest.Command cmd = CommandStreamTest.Command.from(groupKey, key, HystrixEventType.FAILURE, 20, HystrixEventType.FALLBACK_MISSING);
    cmd.observe();
    try {
        assertTrue(latch.await(10000, TimeUnit.MILLISECONDS));
    } catch (InterruptedException ex) {
        fail("Interrupted ex");
    }
    assertEquals(1L, stream.getLatest().getErrorCount());
    assertEquals(1L, stream.getLatest().getTotalRequests());
}
Also used : HystrixCommandKey(com.netflix.hystrix.HystrixCommandKey) CommandStreamTest(com.netflix.hystrix.metric.CommandStreamTest) CountDownLatch(java.util.concurrent.CountDownLatch) CommandStreamTest(com.netflix.hystrix.metric.CommandStreamTest) Test(org.junit.Test)

Example 57 with HystrixCommandKey

use of com.netflix.hystrix.HystrixCommandKey in project Hystrix by Netflix.

the class HealthCountsStreamTest method testSingleFailure.

@Test
public void testSingleFailure() {
    HystrixCommandKey key = HystrixCommandKey.Factory.asKey("CMD-Health-C");
    stream = HealthCountsStream.getInstance(key, 10, 100);
    final CountDownLatch latch = new CountDownLatch(1);
    stream.observe().take(10).subscribe(getSubscriber(latch));
    CommandStreamTest.Command cmd = CommandStreamTest.Command.from(groupKey, key, HystrixEventType.FAILURE, 20);
    cmd.observe();
    try {
        assertTrue(latch.await(10000, TimeUnit.MILLISECONDS));
    } catch (InterruptedException ex) {
        fail("Interrupted ex");
    }
    System.out.println("ReqLog : " + HystrixRequestLog.getCurrentRequest().getExecutedCommandsAsString());
    assertEquals(1L, stream.getLatest().getErrorCount());
    assertEquals(1L, stream.getLatest().getTotalRequests());
}
Also used : HystrixCommandKey(com.netflix.hystrix.HystrixCommandKey) CommandStreamTest(com.netflix.hystrix.metric.CommandStreamTest) CountDownLatch(java.util.concurrent.CountDownLatch) CommandStreamTest(com.netflix.hystrix.metric.CommandStreamTest) Test(org.junit.Test)

Example 58 with HystrixCommandKey

use of com.netflix.hystrix.HystrixCommandKey in project Hystrix by Netflix.

the class HealthCountsStreamTest method testFallbackFailure.

@Test
public void testFallbackFailure() {
    HystrixCommandKey key = HystrixCommandKey.Factory.asKey("CMD-Health-J");
    stream = HealthCountsStream.getInstance(key, 10, 100);
    final CountDownLatch latch = new CountDownLatch(1);
    stream.observe().take(10).subscribe(getSubscriber(latch));
    CommandStreamTest.Command cmd = CommandStreamTest.Command.from(groupKey, key, HystrixEventType.FAILURE, 20, HystrixEventType.FALLBACK_FAILURE);
    cmd.observe();
    try {
        assertTrue(latch.await(10000, TimeUnit.MILLISECONDS));
    } catch (InterruptedException ex) {
        fail("Interrupted ex");
    }
    System.out.println("ReqLog : " + HystrixRequestLog.getCurrentRequest().getExecutedCommandsAsString());
    assertEquals(1L, stream.getLatest().getErrorCount());
    assertEquals(1L, stream.getLatest().getTotalRequests());
}
Also used : HystrixCommandKey(com.netflix.hystrix.HystrixCommandKey) CommandStreamTest(com.netflix.hystrix.metric.CommandStreamTest) CountDownLatch(java.util.concurrent.CountDownLatch) CommandStreamTest(com.netflix.hystrix.metric.CommandStreamTest) Test(org.junit.Test)

Example 59 with HystrixCommandKey

use of com.netflix.hystrix.HystrixCommandKey in project Hystrix by Netflix.

the class HealthCountsStreamTest method testMultipleEventsOverTimeGetStoredAndAgeOut.

@Test
public void testMultipleEventsOverTimeGetStoredAndAgeOut() {
    HystrixCommandKey key = HystrixCommandKey.Factory.asKey("CMD-Health-M");
    stream = HealthCountsStream.getInstance(key, 10, 100);
    //by doing a take(30), we ensure that all rolling counts go back to 0
    final CountDownLatch latch = new CountDownLatch(1);
    stream.observe().take(30).subscribe(getSubscriber(latch));
    CommandStreamTest.Command cmd1 = CommandStreamTest.Command.from(groupKey, key, HystrixEventType.SUCCESS, 20);
    CommandStreamTest.Command cmd2 = CommandStreamTest.Command.from(groupKey, key, HystrixEventType.FAILURE, 10);
    cmd1.observe();
    cmd2.observe();
    try {
        assertTrue(latch.await(10000, TimeUnit.MILLISECONDS));
    } catch (InterruptedException ex) {
        fail("Interrupted ex");
    }
    System.out.println("ReqLog : " + HystrixRequestLog.getCurrentRequest().getExecutedCommandsAsString());
    assertEquals(0L, stream.getLatest().getErrorCount());
    assertEquals(0L, stream.getLatest().getTotalRequests());
}
Also used : HystrixCommandKey(com.netflix.hystrix.HystrixCommandKey) CommandStreamTest(com.netflix.hystrix.metric.CommandStreamTest) CountDownLatch(java.util.concurrent.CountDownLatch) CommandStreamTest(com.netflix.hystrix.metric.CommandStreamTest) Test(org.junit.Test)

Example 60 with HystrixCommandKey

use of com.netflix.hystrix.HystrixCommandKey in project Hystrix by Netflix.

the class HealthCountsStreamTest method testSemaphoreRejected.

@Test
public void testSemaphoreRejected() {
    HystrixCommandKey key = HystrixCommandKey.Factory.asKey("CMD-Health-H");
    stream = HealthCountsStream.getInstance(key, 10, 100);
    final CountDownLatch latch = new CountDownLatch(1);
    stream.observe().take(10).subscribe(getSubscriber(latch));
    //10 commands will saturate semaphore when called from different threads.
    //submit 2 more requests and they should be SEMAPHORE_REJECTED
    //should see 10 SUCCESSes, 2 SEMAPHORE_REJECTED and 2 FALLBACK_SUCCESSes
    List<Command> saturators = new ArrayList<Command>();
    for (int i = 0; i < 10; i++) {
        saturators.add(CommandStreamTest.Command.from(groupKey, key, HystrixEventType.SUCCESS, 400, HystrixCommandProperties.ExecutionIsolationStrategy.SEMAPHORE));
    }
    CommandStreamTest.Command rejected1 = CommandStreamTest.Command.from(groupKey, key, HystrixEventType.SUCCESS, 0, HystrixCommandProperties.ExecutionIsolationStrategy.SEMAPHORE);
    CommandStreamTest.Command rejected2 = CommandStreamTest.Command.from(groupKey, key, HystrixEventType.SUCCESS, 0, HystrixCommandProperties.ExecutionIsolationStrategy.SEMAPHORE);
    for (final CommandStreamTest.Command saturator : saturators) {
        new Thread(new HystrixContextRunnable(new Runnable() {

            @Override
            public void run() {
                saturator.observe();
            }
        })).start();
    }
    try {
        Thread.sleep(100);
    } catch (InterruptedException ie) {
        fail(ie.getMessage());
    }
    rejected1.observe();
    rejected2.observe();
    try {
        assertTrue(latch.await(10000, TimeUnit.MILLISECONDS));
    } catch (InterruptedException ex) {
        fail("Interrupted ex");
    }
    System.out.println("ReqLog : " + HystrixRequestLog.getCurrentRequest().getExecutedCommandsAsString());
    assertTrue(rejected1.isResponseSemaphoreRejected());
    assertTrue(rejected2.isResponseSemaphoreRejected());
    assertEquals(2L, stream.getLatest().getErrorCount());
    assertEquals(12L, stream.getLatest().getTotalRequests());
}
Also used : HystrixCommandKey(com.netflix.hystrix.HystrixCommandKey) CommandStreamTest(com.netflix.hystrix.metric.CommandStreamTest) ArrayList(java.util.ArrayList) CountDownLatch(java.util.concurrent.CountDownLatch) HystrixContextRunnable(com.netflix.hystrix.strategy.concurrency.HystrixContextRunnable) HystrixCommand(com.netflix.hystrix.HystrixCommand) HystrixContextRunnable(com.netflix.hystrix.strategy.concurrency.HystrixContextRunnable) CommandStreamTest(com.netflix.hystrix.metric.CommandStreamTest) Test(org.junit.Test)

Aggregations

HystrixCommandKey (com.netflix.hystrix.HystrixCommandKey)113 Test (org.junit.Test)106 CommandStreamTest (com.netflix.hystrix.metric.CommandStreamTest)99 CountDownLatch (java.util.concurrent.CountDownLatch)99 HystrixThreadPoolKey (com.netflix.hystrix.HystrixThreadPoolKey)42 HystrixCommandGroupKey (com.netflix.hystrix.HystrixCommandGroupKey)38 ArrayList (java.util.ArrayList)25 CachedValuesHistogram (com.netflix.hystrix.metric.CachedValuesHistogram)9 HystrixCommandProperties (com.netflix.hystrix.HystrixCommandProperties)8 HystrixContextRunnable (com.netflix.hystrix.strategy.concurrency.HystrixContextRunnable)8 HystrixCommandMetrics (com.netflix.hystrix.HystrixCommandMetrics)7 HystrixCircuitBreaker (com.netflix.hystrix.HystrixCircuitBreaker)5 HystrixCommand (com.netflix.hystrix.HystrixCommand)4 Map (java.util.Map)4 JsonGenerator (com.fasterxml.jackson.core.JsonGenerator)3 HystrixPropertiesCommandDefault (com.netflix.hystrix.strategy.properties.HystrixPropertiesCommandDefault)3 StringWriter (java.io.StringWriter)3 HystrixCollapserKey (com.netflix.hystrix.HystrixCollapserKey)2 HystrixCollapserConfiguration (com.netflix.hystrix.config.HystrixCollapserConfiguration)2 HystrixCommandConfiguration (com.netflix.hystrix.config.HystrixCommandConfiguration)2