Examples with EurekaClient com.netflix.discovery.EurekaClient used on opensource projects

Example 1 with EurekaClient

use of com.netflix.discovery.EurekaClient in project ribbon by Netflix.

the class EurekaNotificationServerListUpdaterTest method testSubmitExceptionClearQueued.

@Test
public void testSubmitExceptionClearQueued() {
    ThreadPoolExecutor executorMock = EasyMock.createMock(ThreadPoolExecutor.class);
    EasyMock.expect(executorMock.submit(EasyMock.isA(Runnable.class))).andThrow(new RejectedExecutionException("test exception"));
    EasyMock.expect(executorMock.isShutdown()).andReturn(Boolean.FALSE);
    EurekaNotificationServerListUpdater serverListUpdater = new EurekaNotificationServerListUpdater(new Provider<EurekaClient>() {

        @Override
        public EurekaClient get() {
            return eurekaClientMock;
        }
    }, executorMock);
    try {
        Capture<EurekaEventListener> eventListenerCapture = new Capture<EurekaEventListener>();
        eurekaClientMock.registerEventListener(EasyMock.capture(eventListenerCapture));
        EasyMock.replay(eurekaClientMock);
        EasyMock.replay(executorMock);
        serverListUpdater.start(new ServerListUpdater.UpdateAction() {

            @Override
            public void doUpdate() {
                Assert.fail("should not reach here");
            }
        });
        eventListenerCapture.getValue().onEvent(new CacheRefreshedEvent());
        Assert.assertFalse(serverListUpdater.updateQueued.get());
    } finally {
        serverListUpdater.stop();
        EasyMock.verify(executorMock);
        EasyMock.verify(eurekaClientMock);
    }
}

Example 2 with EurekaClient

use of com.netflix.discovery.EurekaClient in project ribbon by Netflix.

the class EurekaNotificationServerListUpdaterTest method testEurekaClientUnregister.

@Test
public void testEurekaClientUnregister() {
    ThreadPoolExecutor executorMock = EasyMock.createMock(ThreadPoolExecutor.class);
    EasyMock.expect(executorMock.isShutdown()).andReturn(Boolean.TRUE);
    EurekaNotificationServerListUpdater serverListUpdater = new EurekaNotificationServerListUpdater(new Provider<EurekaClient>() {

        @Override
        public EurekaClient get() {
            return eurekaClientMock;
        }
    }, executorMock);
    try {
        Capture<EurekaEventListener> registeredListener = new Capture<EurekaEventListener>();
        eurekaClientMock.registerEventListener(EasyMock.capture(registeredListener));
        EasyMock.replay(eurekaClientMock);
        EasyMock.replay(executorMock);
        serverListUpdater.start(new ServerListUpdater.UpdateAction() {

            @Override
            public void doUpdate() {
                Assert.fail("should not reach here");
            }
        });
        registeredListener.getValue().onEvent(new CacheRefreshedEvent());
    } finally {
        EasyMock.verify(executorMock);
        EasyMock.verify(eurekaClientMock);
    }
}

Example 3 with EurekaClient

use of com.netflix.discovery.EurekaClient in project ribbon by Netflix.

the class EurekaNotificationServerListUpdaterTest method testUpdating.

@Test
public void testUpdating() throws Exception {
    EurekaNotificationServerListUpdater serverListUpdater = new EurekaNotificationServerListUpdater(new Provider<EurekaClient>() {

        @Override
        public EurekaClient get() {
            return eurekaClientMock;
        }
    }, testExecutor);
    try {
        Capture<EurekaEventListener> eventListenerCapture = new Capture<EurekaEventListener>();
        eurekaClientMock.registerEventListener(EasyMock.capture(eventListenerCapture));
        EasyMock.replay(eurekaClientMock);
        final AtomicBoolean firstTime = new AtomicBoolean(false);
        final CountDownLatch firstLatch = new CountDownLatch(1);
        final CountDownLatch secondLatch = new CountDownLatch(1);
        serverListUpdater.start(new ServerListUpdater.UpdateAction() {

            @Override
            public void doUpdate() {
                if (firstTime.compareAndSet(false, true)) {
                    firstLatch.countDown();
                } else {
                    secondLatch.countDown();
                }
            }
        });
        eventListenerCapture.getValue().onEvent(new CacheRefreshedEvent());
        Assert.assertTrue(firstLatch.await(2, TimeUnit.SECONDS));
        // wait a bit for the updateQueued flag to be reset
        for (int i = 1; i < 10; i++) {
            if (serverListUpdater.updateQueued.get()) {
                Thread.sleep(i * 100);
            } else {
                break;
            }
        }
        eventListenerCapture.getValue().onEvent(new CacheRefreshedEvent());
        Assert.assertTrue(secondLatch.await(2, TimeUnit.SECONDS));
    } finally {
        serverListUpdater.stop();
        EasyMock.verify(eurekaClientMock);
    }
}

Example 4 with EurekaClient

use of com.netflix.discovery.EurekaClient in project ribbon by Netflix.

the class EurekaNotificationServerListUpdaterTest method testStopWithCommonExecutor.

@Test
public void testStopWithCommonExecutor() throws Exception {
    EurekaNotificationServerListUpdater serverListUpdater1 = new EurekaNotificationServerListUpdater(new Provider<EurekaClient>() {

        @Override
        public EurekaClient get() {
            return eurekaClientMock;
        }
    }, testExecutor);
    EurekaNotificationServerListUpdater serverListUpdater2 = new EurekaNotificationServerListUpdater(new Provider<EurekaClient>() {

        @Override
        public EurekaClient get() {
            return eurekaClientMock2;
        }
    }, testExecutor);
    Capture<EurekaEventListener> eventListenerCapture = new Capture<EurekaEventListener>();
    eurekaClientMock.registerEventListener(EasyMock.capture(eventListenerCapture));
    Capture<EurekaEventListener> eventListenerCapture2 = new Capture<EurekaEventListener>();
    eurekaClientMock2.registerEventListener(EasyMock.capture(eventListenerCapture2));
    EasyMock.replay(eurekaClientMock);
    EasyMock.replay(eurekaClientMock2);
    final CountDownLatch updateCountLatch = new CountDownLatch(2);
    serverListUpdater1.start(new ServerListUpdater.UpdateAction() {

        @Override
        public void doUpdate() {
            updateCountLatch.countDown();
        }
    });
    serverListUpdater2.start(new ServerListUpdater.UpdateAction() {

        @Override
        public void doUpdate() {
            updateCountLatch.countDown();
        }
    });
    eventListenerCapture.getValue().onEvent(new CacheRefreshedEvent());
    eventListenerCapture2.getValue().onEvent(new CacheRefreshedEvent());
    // latch is for both
    Assert.assertTrue(updateCountLatch.await(2, TimeUnit.SECONDS));
    serverListUpdater1.stop();
    serverListUpdater2.stop();
    EasyMock.verify(eurekaClientMock);
    EasyMock.verify(eurekaClientMock2);
}

Example 5 with EurekaClient

use of com.netflix.discovery.EurekaClient in project ribbon by Netflix.

the class EurekaNotificationServerListUpdaterTest method setUpEurekaClientMock.

private EurekaClient setUpEurekaClientMock() {
    final EurekaClient eurekaClientMock = EasyMock.createMock(EurekaClient.class);
    EasyMock.expect(eurekaClientMock.unregisterEventListener(EasyMock.isA(EurekaEventListener.class))).andReturn(true).times(1);
    return eurekaClientMock;
}