use etc/hazelcast.xml + modifications when creating HZ for testing

Change-Id: I92d554d2e8c696780c3a2fab2accdab396a3805b

@@ -44,6 +44,13 @@
             <version>${project.version}</version>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.onlab.onos</groupId>
+            <artifactId>onos-core-store</artifactId>
+            <version>${project.version}</version>
+            <classifier>tests</classifier>
+            <scope>test</scope>
+        </dependency>
 
         <dependency>
             <groupId>org.apache.felix</groupId>

@@ -33,20 +33,18 @@ import org.onlab.onos.net.provider.ProviderId;
 import org.onlab.onos.store.common.StoreService;
 import org.onlab.onos.store.device.impl.DistributedDeviceStore;
 import org.onlab.onos.store.impl.StoreManager;
+import org.onlab.onos.store.impl.TestStoreManager;
 
 import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Set;
-import java.util.UUID;
-
 import static org.junit.Assert.*;
 import static org.onlab.onos.net.Device.Type.SWITCH;
 import static org.onlab.onos.net.DeviceId.deviceId;
 import static org.onlab.onos.net.device.DeviceEvent.Type.*;
 
-// FIXME This test is painfully slow starting up Hazelcast on each test cases,
-//       turning it off in repository for now.
+// FIXME This test is slow starting up Hazelcast on each test cases.
 // FIXME DistributedDeviceStore should have it's own test cases.
 
 /**
@@ -84,17 +82,8 @@ public class DistributedDeviceManagerTest {
         service = mgr;
         admin = mgr;
         registry = mgr;
-        // FIXME should be reading the hazelcast.xml
-        Config config = new Config();
-        // avoid accidentally joining other cluster
-        config.getGroupConfig().setName(UUID.randomUUID().toString());
-        // quickly form single node cluster
-        config.getNetworkConfig().getJoin()
-                .getTcpIpConfig()
-                .setEnabled(true).setConnectionTimeoutSeconds(0);
-        config.getNetworkConfig().getJoin()
-                .getMulticastConfig()
-                .setEnabled(false);
+        // TODO should find a way to clean Hazelcast instance without shutdown.
+        Config config = TestStoreManager.getTestConfig();
 
         storeManager = new TestStoreManager(Hazelcast.newHazelcastInstance(config));
         storeManager.activate();
@@ -288,18 +277,8 @@ public class DistributedDeviceManagerTest {
         }
     }
 
-    private class TestStoreManager extends StoreManager {
-        TestStoreManager(HazelcastInstance instance) {
-            this.instance = instance;
-        }
-
-        @Override
-        public void activate() {
-            setupKryoPool();
-        }
-    }
-
     private static class TestMastershipService extends MastershipServiceAdapter {
+
         @Override
         public MastershipRole getLocalRole(DeviceId deviceId) {
             return MastershipRole.MASTER;
@@ -315,5 +294,4 @@ public class DistributedDeviceManagerTest {
             return MastershipRole.MASTER;
         }
     }
-
 }

@@ -110,6 +110,7 @@ public class DistributedDeviceStore
 
     @Deactivate
     public void deactivate() {
+
         log.info("Stopped");
     }
 

@@ -45,7 +45,7 @@ import java.util.HashMap;
 @Service
 public class StoreManager implements StoreService {
 
-    private static final String HAZELCAST_XML_FILE = "etc/hazelcast.xml";
+    protected static final String HAZELCAST_XML_FILE = "etc/hazelcast.xml";
 
     private final Logger log = LoggerFactory.getLogger(getClass());
 

+package org.onlab.onos.store.impl;
+
+import java.io.FileNotFoundException;
+import java.util.UUID;
+
+import com.hazelcast.config.Config;
+import com.hazelcast.config.FileSystemXmlConfig;
+import com.hazelcast.core.HazelcastInstance;
+
+/**
+ * Dummy StoreManager to use specified Hazelcast instance.
+ */
+public class TestStoreManager extends StoreManager {
+
+    /**
+     * Gets the Hazelcast Config for testing.
+     *
+     * @return
+     */
+    public static Config getTestConfig() {
+        Config config;
+        try {
+            config = new FileSystemXmlConfig(HAZELCAST_XML_FILE);
+        } catch (FileNotFoundException e) {
+            // falling back to default
+            config = new Config();
+        }
+        // avoid accidentally joining other cluster
+        config.getGroupConfig().setName(UUID.randomUUID().toString());
+        // quickly form single node cluster
+        config.getNetworkConfig().getJoin()
+            .getTcpIpConfig()
+            .setEnabled(true).setConnectionTimeoutSeconds(0);
+        config.getNetworkConfig().getJoin()
+            .getMulticastConfig()
+            .setEnabled(false);
+        return config;
+    }
+
+    /**
+     * Constructor.
+     *
+     * @param instance Hazelast instance to return on #getHazelcastInstance()
+     */
+    public TestStoreManager(HazelcastInstance instance) {
+        this.instance = instance;
+    }
+
+    // Hazelcast setup removed from original code.
+    @Override
+    public void activate() {
+        setupKryoPool();
+    }
+}