Use one injector in tests and, at most, one Akka cluster per test class.

stack/corepersistence/queue/src/test/java/org/apache/usergrid/persistence/qakka/AbstractAkkaTest.java

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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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 org.apache.usergrid.persistence.qakka;
+
+import com.google.inject.Injector;
+import org.apache.usergrid.persistence.core.migration.schema.MigrationException;
+import org.apache.usergrid.persistence.core.migration.schema.MigrationManager;
+import org.junit.BeforeClass;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.concurrent.atomic.AtomicInteger;
+
+
+public abstract class AbstractAkkaTest {
+    private static final Logger logger = LoggerFactory.getLogger( AbstractAkkaTest.class );
+
+    static AtomicInteger nextPort = new AtomicInteger(3551);
+
+//    protected static Injector sharedInjector;
+
+    static AtomicBoolean migrated = new AtomicBoolean( false );
+
+    static { new KeyspaceDropper(); }
+
+
+    public AbstractAkkaTest() {
+        if ( !migrated.getAndSet( true ) ) {
+            //setInjector( Guice.createInjector( new TestModule() ) );
+            MigrationManager migrationManager = getInjector().getInstance( MigrationManager.class );
+            try {
+                migrationManager.migrate();
+            } catch (MigrationException e) {
+                logger.error("Error in migration", e);
+            }
+        }
+    }
+
+    protected abstract Injector getInjector();
+
+
+//    protected Injector getInjector() {
+//        return sharedInjector;
+//    }
+//
+//    protected static void setInjector(Injector injector) {
+//        AbstractTest.sharedInjector = injector;
+//    }
+
+
+    protected static int getNextAkkaPort() {
+        int ret = nextPort.getAndIncrement();
+        logger.info("Returning port {}", ret);
+        return ret;
+    }
+
+
+    @BeforeClass
+    public static void startCassandra() throws Exception {
+        //EmbeddedCassandraServerHelper.startEmbeddedCassandra("/cassandra.yaml");
+    }
+
+
+
+}