com.meltmedia.dropwizard.etcd.json.KeyHeartbeatsIT.java Source code

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Here is the source code for com.meltmedia.dropwizard.etcd.json.KeyHeartbeatsIT.java

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/**
 * Copyright (C) 2015 meltmedia (christian.trimble@meltmedia.com)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.meltmedia.dropwizard.etcd.json;

import static com.meltmedia.dropwizard.etcd.json.EtcdMatchers.anyEtcdEventOfType;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.timeout;
import static org.mockito.Mockito.verify;

import org.apache.commons.lang.builder.EqualsBuilder;
import org.apache.commons.lang.builder.ToStringBuilder;
import org.junit.After;
import org.junit.Before;
import org.junit.ClassRule;
import org.junit.Rule;
import org.junit.Test;

import com.fasterxml.jackson.core.type.TypeReference;
import com.meltmedia.dropwizard.etcd.json.EtcdEvent;
import com.meltmedia.dropwizard.etcd.json.EtcdEventHandler;
import com.meltmedia.dropwizard.etcd.json.EtcdJson;
import com.meltmedia.dropwizard.etcd.json.Heartbeat;
import com.meltmedia.dropwizard.etcd.json.WatchService;
import com.meltmedia.dropwizard.etcd.junit.EtcdClientRule;
import com.meltmedia.dropwizard.etcd.junit.EtcdJsonRule;

public class KeyHeartbeatsIT {
    @ClassRule
    public static EtcdClientRule etcdClientSupplier = new EtcdClientRule("http://127.0.0.1:2379");

    @Rule
    public EtcdJsonRule factoryRule = new EtcdJsonRule(etcdClientSupplier::getClient, "/test");

    Heartbeat<NodeData> heartbeats;
    EtcdEventHandler<NodeData> handler;
    WatchService.Watch watch;

    @SuppressWarnings("unchecked")
    @Before
    public void setUp() {
        handler = mock(EtcdEventHandler.class);

        EtcdJson.MappedEtcdDirectory<NodeData> directory = factoryRule.getFactory().newDirectory("/nodes",
                new TypeReference<NodeData>() {
                });

        heartbeats = directory.newHeartbeat("/id", new NodeData().withName("id"), 1);

        watch = directory.registerWatch(handler);
    }

    @After
    public void tearDown() throws Exception {
        watch.stop();
    }

    @SuppressWarnings("unchecked")
    @Test
    public void shouldKeepRecordActive() throws InterruptedException {
        verify(handler, never()).handle(any(EtcdEvent.class));

        heartbeats.start();

        verify(handler, timeout(1000).times(1)).handle(anyEtcdEventOfType(EtcdEvent.Type.added));
        verify(handler, never()).handle(anyEtcdEventOfType(EtcdEvent.Type.removed));

        heartbeats.stop();
    }

    @Test
    public void shouldRemoveRecordAfterStop() {
        verify(handler, never()).handle(anyEtcdEventOfType(EtcdEvent.Type.added));

        heartbeats.start();

        verify(handler, timeout(2000).times(1)).handle(anyEtcdEventOfType(EtcdEvent.Type.added));

        heartbeats.stop();

        verify(handler, timeout(1000).times(1)).handle(anyEtcdEventOfType(EtcdEvent.Type.removed));
    }

    public static class NodeData {
        protected String name;

        public String getName() {
            return name;
        }

        public void setName(String name) {
            this.name = name;
        }

        public NodeData withName(String name) {
            this.name = name;
            return this;
        }

        public String toString() {
            return ToStringBuilder.reflectionToString(this);
        }

        public boolean equals(Object o) {
            return EqualsBuilder.reflectionEquals(this, o);
        }
    }

}