/*
* Copyright 2010 Proofpoint, Inc.
*
* 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.proofpoint.discovery.client;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.proofpoint.discovery.client.testing.InMemoryDiscoveryClient;
import com.proofpoint.node.NodeConfig;
import com.proofpoint.node.NodeInfo;
import org.testng.annotations.AfterMethod;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;
import java.util.UUID;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ScheduledThreadPoolExecutor;
import static com.proofpoint.concurrent.Threads.daemonThreadsNamed;
import static com.proofpoint.testing.Assertions.assertEqualsIgnoreOrder;
import static org.testng.Assert.assertEquals;
public class TestCachingServiceSelector
{
private static final ServiceDescriptor APPLE_1_SERVICE = new ServiceDescriptor(UUID.randomUUID(), "node-A", "apple", "pool", "location", ServiceState.RUNNING, ImmutableMap.of("a", "apple"));
private static final ServiceDescriptor APPLE_2_SERVICE = new ServiceDescriptor(UUID.randomUUID(), "node-B", "apple", "pool", "location", ServiceState.RUNNING, ImmutableMap.of("a", "apple"));
private static final ServiceDescriptor DIFFERENT_TYPE = new ServiceDescriptor(UUID.randomUUID(), "node-A", "banana", "pool", "location", ServiceState.RUNNING, ImmutableMap.of("b", "banana"));
private static final ServiceDescriptor DIFFERENT_POOL = new ServiceDescriptor(UUID.randomUUID(), "node-B", "apple", "fool", "location", ServiceState.RUNNING, ImmutableMap.of("a", "apple"));
private ScheduledExecutorService executor;
private NodeInfo nodeInfo;
private InMemoryDiscoveryClient discoveryClient;
private CachingServiceSelector serviceSelector;
private ServiceDescriptorsUpdater updater;
@BeforeMethod
protected void setUp()
throws Exception
{
executor = new ScheduledThreadPoolExecutor(10, daemonThreadsNamed("Discovery-%s"));
nodeInfo = new NodeInfo("environment");
discoveryClient = new InMemoryDiscoveryClient(nodeInfo);
serviceSelector = new CachingServiceSelector("apple",
new ServiceSelectorConfig().setPool("pool"),
nodeInfo);
updater = new ServiceDescriptorsUpdater(serviceSelector, "apple",
new ServiceSelectorConfig().setPool("pool"),
nodeInfo,
discoveryClient,
executor);
}
@AfterMethod
public void tearDown()
throws Exception
{
executor.shutdownNow();
}
@Test
public void testBasics()
{
assertEquals(serviceSelector.getType(), "apple");
assertEquals(serviceSelector.getPool(), "pool");
}
@Test
public void testDefaultToNodePool()
{
serviceSelector = new CachingServiceSelector("apple",
new ServiceSelectorConfig(),
new NodeInfo("test-application", new NodeConfig().setEnvironment("environment").setPool("nodepool")));
assertEquals(serviceSelector.getType(), "apple");
assertEquals(serviceSelector.getPool(), "nodepool");
}
@Test
public void testNotStartedEmpty()
{
assertEquals(serviceSelector.selectAllServices(), ImmutableList.of());
}
@Test
public void testStartedEmpty()
throws Exception
{
updater.start();
assertEquals(serviceSelector.selectAllServices(), ImmutableList.of());
}
@Test
public void testNotStartedWithServices()
{
discoveryClient.addDiscoveredService(APPLE_1_SERVICE);
discoveryClient.addDiscoveredService(APPLE_2_SERVICE);
discoveryClient.addDiscoveredService(DIFFERENT_TYPE);
discoveryClient.addDiscoveredService(DIFFERENT_POOL);
assertEquals(serviceSelector.selectAllServices(), ImmutableList.of());
}
@Test
public void testStartedWithServices()
throws Exception
{
discoveryClient.addDiscoveredService(APPLE_1_SERVICE);
discoveryClient.addDiscoveredService(APPLE_2_SERVICE);
discoveryClient.addDiscoveredService(DIFFERENT_TYPE);
discoveryClient.addDiscoveredService(DIFFERENT_POOL);
updater.start();
Thread.sleep(100);
assertEqualsIgnoreOrder(serviceSelector.selectAllServices(), ImmutableList.of(APPLE_1_SERVICE, APPLE_2_SERVICE));
}
@Test
public void testServiceUpdaterDefaultToNodePool()
throws Exception
{
discoveryClient.addDiscoveredService(APPLE_1_SERVICE);
discoveryClient.addDiscoveredService(APPLE_2_SERVICE);
discoveryClient.addDiscoveredService(DIFFERENT_TYPE);
discoveryClient.addDiscoveredService(DIFFERENT_POOL);
updater = new ServiceDescriptorsUpdater(serviceSelector, "apple",
new ServiceSelectorConfig(),
new NodeInfo("test-application", new NodeConfig().setEnvironment("environment").setPool("pool")),
discoveryClient,
executor);
updater.start();
Thread.sleep(100);
assertEqualsIgnoreOrder(serviceSelector.selectAllServices(), ImmutableList.of(APPLE_1_SERVICE, APPLE_2_SERVICE));
}
}