Examples with ChannelException com.couchbase.client.core.deps.io.netty.channel.ChannelException used on opensource projects

Example 1 with ChannelException

use of com.couchbase.client.core.deps.io.netty.channel.ChannelException in project couchbase-jvm-clients by couchbase.

the class BaseEndpointTest method retryOnFailureUntilEventuallyConnected.

/**
 * The {@link #retryOnTimeoutUntilEventuallyConnected()} tests that a netty
 * channel future does not return at all and we reconnect, this one tests that
 * if netty returns with a failure we keep reconnecting until it succeeds.
 */
@Test
void retryOnFailureUntilEventuallyConnected() {
    final AtomicInteger invocationAttempt = new AtomicInteger();
    InstrumentedEndpoint endpoint = InstrumentedEndpoint.create(eventLoopGroup, ctx, () -> invocationAttempt.incrementAndGet() > 3 ? Mono.just(new EmbeddedChannel()) : Mono.error(new ChannelException("Could not connect for some reason")));
    endpoint.connect();
    waitUntilCondition(() -> endpoint.state() == EndpointState.CONNECTED);
    assertEquals(4, eventBus.publishedEvents().size());
    int warnings = 0;
    int debug = 0;
    for (Event event : eventBus.publishedEvents()) {
        if (event.severity() == Event.Severity.WARN) {
            assertTrue(event instanceof EndpointConnectionFailedEvent);
            warnings++;
        } else if (event.severity() == Event.Severity.DEBUG) {
            assertTrue(event instanceof EndpointConnectedEvent);
            debug++;
        } else {
            throw new RuntimeException("Unexpected Event" + event);
        }
    }
    assertEquals(3, warnings);
    assertEquals(1, debug);
}