Improved tests performance

* used mock instead of waiting till dmaap client fails
* creating in memory DB only once

Issue-ID: POLICY-1671
Change-Id: Ia1b6ce7ddad1bce0d17c2dbf14f3d82dd237673b
Signed-off-by: Krysiak Adam <adam.krysiak@nokia.com>

2 files changed, 110 insertions, 98 deletions

diff --git a/PolicyEngineUtils/src/main/java/org/onap/policy/utils/BusConsumer.java b/PolicyEngineUtils/src/main/java/org/onap/policy/utils/BusConsumer.java
index 0d4c86b3d..c3fe9023f 100644
--- a/PolicyEngineUtils/src/main/java/org/onap/policy/utils/BusConsumer.java
+++ b/PolicyEngineUtils/src/main/java/org/onap/policy/utils/BusConsumer.java
@@ -3,13 +3,14 @@
  * PolicyEngineUtils
  * ================================================================================
  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * Modifications copyright (c) 2019 Nokia
  * ================================================================================
  * 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.
@@ -28,98 +29,100 @@ import org.onap.dmaap.mr.client.impl.MRConsumerImpl;
 import org.onap.dmaap.mr.test.clients.ProtocolTypeConstants;
 
 public interface BusConsumer {
-	
-	/**
-	 * fetch messages
-	 * 
-	 * @return list of messages
-	 * @throws MRApiException when error encountered by underlying libraries
-	 */
-	public Iterable<String> fetch() throws MRApiException;
-	
-	/**
-	 * close underlying library consumer
-	 */
-	public void close();
-	
-	/**
-	 * MR based consumer
-	 */
-	public static class DmaapConsumerWrapper implements BusConsumer {
-		
-		/**
-		 * MR Consumer
-		 */
-		protected MRConsumerImpl consumer;
-		
-		/**
-		 * MR Consumer Wrapper
-		 * 
-		 * @param servers messaging bus hosts
-		 * @param topic topic
-		 * @param apiKey API Key
-		 * @param apiSecret API Secret
-		 * @param aafLogin AAF Login
-		 * @param aafPassword AAF Password
-		 * @param consumerGroup Consumer Group
-		 * @param consumerInstance Consumer Instance
-		 * @param fetchTimeout Fetch Timeout
-		 * @param fetchLimit Fetch Limit
-		 */
-		public DmaapConsumerWrapper(List<String> servers, String topic, 
-								String aafLogin, String aafPassword,
-								String consumerGroup, String consumerInstance,
-								int fetchTimeout, int fetchLimit) throws MalformedURLException{
-					
-			this.consumer = new MRConsumerImpl(servers, topic, 
-											   consumerGroup, consumerInstance, 
-											   fetchTimeout, fetchLimit, 
-									           null, aafLogin, aafPassword);
-			
-			this.consumer.setUsername(aafLogin);
-			this.consumer.setPassword(aafPassword);
-			
-			this.consumer.setProtocolFlag(ProtocolTypeConstants.AAF_AUTH.getValue());
-			
-			Properties props = new Properties();
-			props.setProperty("Protocol", "http");
-			this.consumer.setProps(props);
-			this.consumer.setHost(servers.get(0) + ":3904");
-		}
-		
-		/**
-		 * {@inheritDoc}
-		 */
-		@Override
-		public Iterable<String> fetch() throws MRApiException {
-			try {
-                return this.consumer.fetch();
+
+    /**
+     * fetch messages
+     *
+     * @return list of messages
+     * @throws MRApiException when error encountered by underlying libraries
+     */
+    Iterable<String> fetch() throws MRApiException;
+
+    /**
+     * close underlying library consumer
+     */
+    void close();
+
+    /**
+     * MR based consumer
+     */
+    class DmaapConsumerWrapper implements BusConsumer {
+
+        /**
+         * MR Consumer
+         */
+        protected MRConsumerImpl consumer;
+
+        /**
+         * MR Consumer Wrapper
+         *
+         * @param servers messaging bus hosts
+         * @param topic topic
+         * @param apiKey API Key
+         * @param apiSecret API Secret
+         * @param aafLogin AAF Login
+         * @param aafPassword AAF Password
+         * @param consumerGroup Consumer Group
+         * @param consumerInstance Consumer Instance
+         * @param fetchTimeout Fetch Timeout
+         * @param fetchLimit Fetch Limit
+         */
+        public DmaapConsumerWrapper(List<String> servers, String topic,
+            String aafLogin, String aafPassword,
+            String consumerGroup, String consumerInstance,
+            int fetchTimeout, int fetchLimit) throws MalformedURLException {
+
+            this(new MRConsumerImpl(servers, topic,
+                consumerGroup, consumerInstance,
+                fetchTimeout, fetchLimit,
+                null, aafLogin, aafPassword), aafLogin, aafPassword, servers.get(0));
+
+        }
+
+        DmaapConsumerWrapper(MRConsumerImpl consumer, String aafLogin, String aafPassword, String host) {
+            this.consumer = consumer;
+            this.consumer.setUsername(aafLogin);
+            this.consumer.setPassword(aafPassword);
+            this.consumer.setProtocolFlag(ProtocolTypeConstants.AAF_AUTH.getValue());
+            this.consumer.setHost(host + ":3904");
+
+            Properties props = new Properties();
+            props.setProperty("Protocol", "http");
+            this.consumer.setProps(props);
+        }
+
+        /**
+         * {@inheritDoc}
+         */
+        @Override
+        public Iterable<String> fetch() throws MRApiException {
+            try {
+                return consumer.fetch();
             } catch (Exception e) {
-                throw new MRApiException("Error during MR consumer Fetch ",e);
+                throw new MRApiException("Error during MR consumer Fetch ", e);
             }
-		}
-		
-		/**
-		 * {@inheritDoc}
-		 */
-		@Override
-		public void close() {
-			this.consumer.close();
-		}
-		
-		@Override
-		public String toString() {
-			StringBuilder builder = new StringBuilder();
-			builder.
-			append("DmaapConsumerWrapper [").
-			append("consumer.getAuthDate()=").append(consumer.getAuthDate()).
-			append(", consumer.getAuthKey()=").append(consumer.getAuthKey()).
-			append(", consumer.getHost()=").append(consumer.getHost()).
-			append(", consumer.getProtocolFlag()=").append(consumer.getProtocolFlag()).
-			append(", consumer.getUsername()=").append(consumer.getUsername()).
-			append("]");
-			return builder.toString();
-		}
-	}
+        }
+
+        /**
+         * {@inheritDoc}
+         */
+        @Override
+        public void close() {
+            this.consumer.close();
+        }
 
+        @Override
+        public String toString() {
+            StringBuilder builder = new StringBuilder();
+            builder.
+                append("DmaapConsumerWrapper [").
+                append("consumer.getAuthDate()=").append(consumer.getAuthDate()).
+                append(", consumer.getAuthKey()=").append(consumer.getAuthKey()).
+                append(", consumer.getHost()=").append(consumer.getHost()).
+                append(", consumer.getProtocolFlag()=").append(consumer.getProtocolFlag()).
+                append(", consumer.getUsername()=").append(consumer.getUsername()).
+                append("]");
+            return builder.toString();
+        }
+    }
 }
diff --git a/PolicyEngineUtils/src/test/java/org/onap/policy/utils/test/BusTest.java b/PolicyEngineUtils/src/test/java/org/onap/policy/utils/BusTest.java
index 37f0bb016..58262d97c 100644
--- a/PolicyEngineUtils/src/test/java/org/onap/policy/utils/test/BusTest.java
+++ b/PolicyEngineUtils/src/test/java/org/onap/policy/utils/BusTest.java
@@ -3,6 +3,7 @@
  * PolicyEngineUtils
  * ================================================================================
  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * Modifications copyright (c) 2019 Nokia
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -18,18 +19,20 @@
  * ============LICENSE_END=========================================================
  */
 
-package org.onap.policy.utils.test;
+package org.onap.policy.utils;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
 
 import java.net.MalformedURLException;
 import java.util.Arrays;
 
 import org.junit.Test;
 import org.onap.dmaap.mr.client.MRClient.MRApiException;
-import org.onap.policy.utils.BusConsumer;
-import org.onap.policy.utils.BusPublisher;
+import org.onap.dmaap.mr.client.impl.MRConsumerImpl;
+import org.onap.policy.utils.BusConsumer.DmaapConsumerWrapper;
 
 public class BusTest {
     
@@ -42,8 +45,14 @@ public class BusTest {
     }
     
     @Test (expected = MRApiException.class)
-    public void busConsumerFailTest() throws MalformedURLException, MRApiException{
-        new BusConsumer.DmaapConsumerWrapper(Arrays.asList("test"), "test", "test", "test", "test", "test", 1, 1).fetch();
+    public void busConsumerFailTest() throws Exception {
+        //given
+        MRConsumerImpl mrConsumer = mock(MRConsumerImpl.class);
+        when(mrConsumer.fetch()).thenThrow(new Exception());
+        DmaapConsumerWrapper dmaapConsumerWrapper = new DmaapConsumerWrapper(mrConsumer, "", "", "");
+
+        //when
+        dmaapConsumerWrapper.fetch();
     }
     
     @Test