Fix assertTrue SONAR issues in apex-pdp/contex and apex-pdp/core

Replace assertTrue with assertEquals and assertFalse with
assertNotEquals in apex-pdp/client apex-pdp/context and apex-pdp/core

Issue-ID: POLICY-2690
Change-Id: Ic1e69c75e5f8f887cac135b6728b007faf4b19a6
Signed-off-by: JvD_Ericsson <jeff.van.dam@est.tech>

8 files changed, 125 insertions, 116 deletions

diff --git a/client/client-editor/src/test/java/org/onap/policy/apex/client/editor/rest/RestInterfaceTest.java b/client/client-editor/src/test/java/org/onap/policy/apex/client/editor/rest/RestInterfaceTest.java
index a1d0a7b3f..a5ba0f44b 100644
--- a/client/client-editor/src/test/java/org/onap/policy/apex/client/editor/rest/RestInterfaceTest.java
+++ b/client/client-editor/src/test/java/org/onap/policy/apex/client/editor/rest/RestInterfaceTest.java
@@ -140,7 +140,7 @@ public class RestInterfaceTest {
     private static int createNewSession() {
         final ApexApiResult responseMsg = target.path("editor/-1/Session/Create").request().get(ApexApiResult.class);
         assertEquals(ApexApiResult.Result.SUCCESS, responseMsg.getResult());
-        assertTrue(responseMsg.getMessages().size() == 1);
+        assertEquals(1, responseMsg.getMessages().size());
         return Integer.parseInt(responseMsg.getMessages().get(0));
     }
 
diff --git a/client/client-monitoring/src/test/java/org/onap/policy/apex/client/monitoring/rest/RestResourceTest.java b/client/client-monitoring/src/test/java/org/onap/policy/apex/client/monitoring/rest/RestResourceTest.java
index a63224590..469f09586 100644
--- a/client/client-monitoring/src/test/java/org/onap/policy/apex/client/monitoring/rest/RestResourceTest.java
+++ b/client/client-monitoring/src/test/java/org/onap/policy/apex/client/monitoring/rest/RestResourceTest.java
@@ -1,19 +1,20 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2018 Ericsson. All rights reserved.
+ *  Modifications Copyright (C) 2020 Nordix Foundation.
  * ================================================================================
  * 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.
- * 
+ *
  * SPDX-License-Identifier: Apache-2.0
  * ============LICENSE_END=========================================================
  */
@@ -21,7 +22,8 @@
 package org.onap.policy.apex.client.monitoring.rest;
 
 import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotEquals;
+import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;
 
 import javax.ws.rs.core.Response;
@@ -46,7 +48,7 @@ public class RestResourceTest {
 
     /**
      * Set up mocking of the engine service facade.
-     * 
+     *
      * @throws ApexException on engine service facade setup errors
      */
     @Before
@@ -228,30 +230,30 @@ public class RestResourceTest {
         ApexMonitoringRestResource.SlidingWindowList<String> slidingWindowList0 = restResource.new SlidingWindowList<>(
                         2);
 
-        assertFalse(slidingWindowList0.hashCode() == 0);
-        
+        assertNotEquals(0, slidingWindowList0.hashCode());
+
         assertTrue(slidingWindowList0.add("Hello"));
         assertTrue(slidingWindowList0.add("Hi"));
         assertTrue(slidingWindowList0.add("Howdy"));
-        
-        assertFalse(slidingWindowList0.equals(null));
-        assertTrue(slidingWindowList0.equals(slidingWindowList0));
+
+        assertNotNull(slidingWindowList0);
+        assertEquals(slidingWindowList0, slidingWindowList0);
 
         ApexMonitoringRestResource.SlidingWindowList<String> slidingWindowList1 = restResource.new SlidingWindowList<>(
                         2);
         ApexMonitoringRestResource.SlidingWindowList<String> slidingWindowList2 = restResource.new SlidingWindowList<>(
                         2);
-        assertFalse(slidingWindowList0.equals(slidingWindowList1));
-        assertFalse(slidingWindowList0.equals(slidingWindowList2));
-        assertTrue(slidingWindowList1.equals(slidingWindowList2));
+        assertNotEquals(slidingWindowList0, slidingWindowList1);
+        assertNotEquals(slidingWindowList0, slidingWindowList2);
+        assertEquals(slidingWindowList1, slidingWindowList2);
         ApexMonitoringRestResource.SlidingWindowList<String> slidingWindowList3 = restResource.new SlidingWindowList<>(
                         3);
-        assertFalse(slidingWindowList1.equals(slidingWindowList3));
+        assertNotEquals(slidingWindowList1, slidingWindowList3);
         ApexMonitoringRestResource.SlidingWindowList<Integer> slidingWindowList4 = restResource.new SlidingWindowList<>(
                         3);
         assertTrue(slidingWindowList3.add("Hello"));
         assertTrue(slidingWindowList4.add(10));
-        assertFalse(slidingWindowList3.equals(slidingWindowList4));
+        assertNotEquals(slidingWindowList3, slidingWindowList4);
     }
 
     @Test
diff --git a/context/context-management/src/test/java/org/onap/policy/apex/context/impl/ContextAlbumImplTest.java b/context/context-management/src/test/java/org/onap/policy/apex/context/impl/ContextAlbumImplTest.java
index ad165c3c5..51802919c 100644
--- a/context/context-management/src/test/java/org/onap/policy/apex/context/impl/ContextAlbumImplTest.java
+++ b/context/context-management/src/test/java/org/onap/policy/apex/context/impl/ContextAlbumImplTest.java
@@ -1,6 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2018 Ericsson. All rights reserved.
+ *  Modifications Copyright (C) 2020 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,7 +22,7 @@
 package org.onap.policy.apex.context.impl;
 
 import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotEquals;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 
@@ -337,20 +338,20 @@ public class ContextAlbumImplTest {
         distributor.init(axContextAlbum.getKey());
         ContextAlbumImpl album = new ContextAlbumImpl(axContextAlbum, distributor, new LinkedHashMap<String, Object>());
 
-        assertTrue(album.hashCode() != 0);
+        assertNotEquals(0, album.hashCode());
 
         assertEquals(0, album.compareTo(album));
         assertEquals(1, album.compareTo(null));
 
-        assertTrue(album.equals(album));
-        assertFalse(album.equals(new DummyContextAlbumImpl()));
+        assertEquals(album, album);
+        assertNotEquals(album, new DummyContextAlbumImpl());
 
         ContextAlbumImpl otherAlbum = new ContextAlbumImpl(axContextAlbum, distributor,
                         new LinkedHashMap<String, Object>());
-        assertTrue(album.equals(otherAlbum));
+        assertEquals(album, otherAlbum);
 
         otherAlbum.put("Key", 123);
-        assertFalse(album.equals(otherAlbum));
+        assertNotEquals(album, otherAlbum);
 
         try {
             otherAlbum.put("Key", "BadValue");
@@ -366,7 +367,7 @@ public class ContextAlbumImplTest {
 
         otherAxContextAlbum.setItemSchema(simpleStringSchema.getKey());
         otherAlbum = new ContextAlbumImpl(otherAxContextAlbum, distributor, new LinkedHashMap<String, Object>());
-        assertFalse(album.equals(otherAlbum));
+        assertNotEquals(album, otherAlbum);
 
         try {
             album.flush();
@@ -379,7 +380,7 @@ public class ContextAlbumImplTest {
         ModelService.registerModel(AxContextAlbums.class, albums);
         albums.getAlbumsMap().put(axContextAlbum.getKey(), axContextAlbum);
         distributor.createContextAlbum(album.getKey());
-        
+
         album.flush();
 
         ModelService.clear();
diff --git a/core/core-engine/src/test/java/org/onap/policy/apex/core/engine/event/EnEventTest.java b/core/core-engine/src/test/java/org/onap/policy/apex/core/engine/event/EnEventTest.java
index e3d0b32b8..225e1853f 100644
--- a/core/core-engine/src/test/java/org/onap/policy/apex/core/engine/event/EnEventTest.java
+++ b/core/core-engine/src/test/java/org/onap/policy/apex/core/engine/event/EnEventTest.java
@@ -1,19 +1,20 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2018 Ericsson. All rights reserved.
+ *  Modifications Copyright (C) 2020 Nordix Foundation.
  * ================================================================================
  * 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.
- * 
+ *
  * SPDX-License-Identifier: Apache-2.0
  * ============LICENSE_END=========================================================
  */
@@ -21,7 +22,8 @@
 package org.onap.policy.apex.core.engine.event;
 
 import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotEquals;
+import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
@@ -195,14 +197,14 @@ public class EnEventTest {
         event.clear();
         assertNull(event.get("MyField"));
 
-        assertTrue(event.hashCode() != 0);
+        assertNotEquals(0, event.hashCode());
 
-        assertTrue(event.equals(event));
-        assertFalse(event.equals(null));
+        assertEquals(event, event);
+        assertNotNull(event);
         Map<String, Object> hashMap = new HashMap<>();
-        assertFalse(event.equals(hashMap));
+        assertNotEquals(event, hashMap);
 
         EnEvent otherEvent = new EnEvent(eventKey);
-        assertTrue(event.equals(otherEvent));
+        assertEquals(event, otherEvent);
     }
 }
diff --git a/core/core-protocols/src/test/java/org/onap/policy/apex/core/protocols/SupportMessageTester.java b/core/core-protocols/src/test/java/org/onap/policy/apex/core/protocols/SupportMessageTester.java
index 233a1c2ac..925884534 100644
--- a/core/core-protocols/src/test/java/org/onap/policy/apex/core/protocols/SupportMessageTester.java
+++ b/core/core-protocols/src/test/java/org/onap/policy/apex/core/protocols/SupportMessageTester.java
@@ -1,19 +1,20 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2018 Ericsson. All rights reserved.
+ *  Modifications Copyright (C) 2020 Nordix Foundation.
  * ================================================================================
  * 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.
- * 
+ *
  * SPDX-License-Identifier: Apache-2.0
  * ============LICENSE_END=========================================================
  */
@@ -21,9 +22,8 @@
 package org.onap.policy.apex.core.protocols;
 
 import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotEquals;
 import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertTrue;
 
 import org.junit.Test;
 import org.onap.policy.apex.core.protocols.engdep.messages.StartEngine;
@@ -58,44 +58,44 @@ public class SupportMessageTester {
         assertEquals(new AxArtifactKey("Target:0.0.1"), dummyMessage.getTarget());
         assertEquals("Target", dummyMessage.getTargetName());
 
-        assertTrue(dummyMessage.hashCode() != 0);
+        assertNotEquals(0, dummyMessage.hashCode());
         dummyMessage.setMessageData(null);
-        assertTrue(dummyMessage.hashCode() != 0);
+        assertNotEquals(0, dummyMessage.hashCode());
         dummyMessage = new DummyMessage(null, null, null);
         assertEquals(0, dummyMessage.hashCode());
 
-        assertTrue(dummyMessage.equals(dummyMessage));
-        assertFalse(dummyMessage.equals(null));
-        assertFalse(dummyMessage.equals(new StartEngine(new AxArtifactKey())));
+        assertEquals(dummyMessage, dummyMessage);
+        assertNotNull(dummyMessage);
+        assertNotEquals(dummyMessage, new StartEngine(new AxArtifactKey()));
 
         dummyMessage = new DummyMessage(new DummyAction(null), null, null);
         DummyMessage otherDummyMessage = new DummyMessage(null, null, null);
-        assertFalse(dummyMessage.equals(otherDummyMessage));
+        assertNotEquals(dummyMessage, otherDummyMessage);
         otherDummyMessage = new DummyMessage(new DummyAction(null), null, null);
-        assertTrue(dummyMessage.equals(otherDummyMessage));
+        assertEquals(dummyMessage, otherDummyMessage);
         dummyMessage = new DummyMessage(null, null, null);
-        assertFalse(dummyMessage.equals(otherDummyMessage));
+        assertNotEquals(dummyMessage, otherDummyMessage);
         otherDummyMessage = new DummyMessage(null, null, null);
-        assertTrue(dummyMessage.equals(otherDummyMessage));
+        assertEquals(dummyMessage, otherDummyMessage);
 
         dummyMessage = new DummyMessage(null, new AxArtifactKey(), null);
         otherDummyMessage = new DummyMessage(null, null, null);
-        assertFalse(dummyMessage.equals(otherDummyMessage));
+        assertNotEquals(dummyMessage, otherDummyMessage);
         otherDummyMessage = new DummyMessage(null, new AxArtifactKey(), null);
-        assertTrue(dummyMessage.equals(otherDummyMessage));
+        assertEquals(dummyMessage, otherDummyMessage);
         dummyMessage = new DummyMessage(null, null, null);
-        assertFalse(dummyMessage.equals(otherDummyMessage));
+        assertNotEquals(dummyMessage, otherDummyMessage);
         otherDummyMessage = new DummyMessage(null, null, null);
-        assertTrue(dummyMessage.equals(otherDummyMessage));
+        assertEquals(dummyMessage, otherDummyMessage);
 
         dummyMessage = new DummyMessage(null, null, "Message");
         otherDummyMessage = new DummyMessage(null, null, null);
-        assertFalse(dummyMessage.equals(otherDummyMessage));
+        assertNotEquals(dummyMessage, otherDummyMessage);
         otherDummyMessage = new DummyMessage(null, null, "Message");
-        assertTrue(dummyMessage.equals(otherDummyMessage));
+        assertEquals(dummyMessage, otherDummyMessage);
         dummyMessage = new DummyMessage(null, null, null);
-        assertFalse(dummyMessage.equals(otherDummyMessage));
+        assertNotEquals(dummyMessage, otherDummyMessage);
         otherDummyMessage = new DummyMessage(null, null, null);
-        assertTrue(dummyMessage.equals(otherDummyMessage));
+        assertEquals(dummyMessage, otherDummyMessage);
     }
 }
diff --git a/core/core-protocols/src/test/java/org/onap/policy/apex/core/protocols/engdep/messages/EngineServiceInfoResponseTest.java b/core/core-protocols/src/test/java/org/onap/policy/apex/core/protocols/engdep/messages/EngineServiceInfoResponseTest.java
index c240704e9..87fe44aae 100644
--- a/core/core-protocols/src/test/java/org/onap/policy/apex/core/protocols/engdep/messages/EngineServiceInfoResponseTest.java
+++ b/core/core-protocols/src/test/java/org/onap/policy/apex/core/protocols/engdep/messages/EngineServiceInfoResponseTest.java
@@ -1,20 +1,20 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2019 Nordix Foundation.
+ *  Modifications Copyright (C) 2019-2020 Nordix Foundation.
  * ================================================================================
  * 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.
- * 
+ *
  * SPDX-License-Identifier: Apache-2.0
  * ============LICENSE_END=========================================================
  */
@@ -22,9 +22,8 @@
 package org.onap.policy.apex.core.protocols.engdep.messages;
 
 import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotEquals;
 import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertTrue;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -40,72 +39,72 @@ public class EngineServiceInfoResponseTest {
     public void test() {
         AxArtifactKey targetKey = new AxArtifactKey("Target:0.0.1");
         GetEngineServiceInfo request = new GetEngineServiceInfo(targetKey);
-        
+
         EngineServiceInfoResponse response = new EngineServiceInfoResponse(targetKey, true, request);
         assertNotNull(response);
         response = new EngineServiceInfoResponse(targetKey, true, "Response Data", request);
         assertNotNull(response);
         assertEquals("Response Data", response.getMessageData());
-        
+
         AxArtifactKey apexModelKey = new AxArtifactKey("Model:0.0.1");
         response.setApexModelKey(apexModelKey);
         assertEquals(apexModelKey, response.getApexModelKey());
-        
+
         AxArtifactKey engineServiceKey = new AxArtifactKey("EngineService:0.0.1");
         response.setEngineServiceKey(engineServiceKey);;
         assertEquals(engineServiceKey, response.getEngineServiceKey());
-        
+
         List<AxArtifactKey> engineKeyArrayList = new ArrayList<>();
         AxArtifactKey engineKey = new AxArtifactKey("Engine:0.0.1");
         engineKeyArrayList.add(engineKey);
         response.setEngineKeyArray(engineKeyArrayList);
         assertEquals(engineKeyArrayList.get(0), response.getEngineKeyArray()[0]);
-        
+
         response = new EngineServiceInfoResponse(null, false, null);
-        assertTrue(response.hashCode() != 0);
+        assertNotEquals(0, response.hashCode());
         response.setApexModelKey(apexModelKey);
-        assertTrue(response.hashCode() != 0);
+        assertNotEquals(0, response.hashCode());
         response.setApexModelKey(null);
         response.setEngineServiceKey(engineServiceKey);;
-        assertTrue(response.hashCode() != 0);
+        assertNotEquals(0, response.hashCode());
         response.setEngineServiceKey(null);
         response.setEngineKeyArray(engineKeyArrayList);
-        assertTrue(response.hashCode() != 0);
+        assertNotEquals(0, response.hashCode());
         response.setEngineKeyArray(null);
-        
-        assertTrue(response.equals(response));
-        assertFalse(response.equals(null));
-        assertFalse(response.equals((Object) new StartEngine(new AxArtifactKey())));
+
+        assertEquals(response, response);
+        assertNotNull(response);
+        assertNotEquals(response, (Object) new StartEngine(new AxArtifactKey()));
 
         response = new EngineServiceInfoResponse(null, false, null);
         EngineServiceInfoResponse otherResponse = new EngineServiceInfoResponse(null, false, null);
 
         response.setApexModelKey(apexModelKey);
-        assertFalse(response.equals(otherResponse));
+        assertNotEquals(response, otherResponse);
         otherResponse.setApexModelKey(apexModelKey);
-        assertTrue(response.equals(otherResponse));
+        assertEquals(response, otherResponse);
         response.setApexModelKey(null);
-        assertFalse(response.equals(otherResponse));
+        assertNotEquals(response, otherResponse);
         otherResponse.setApexModelKey(null);
-        assertTrue(response.equals(otherResponse));
+        assertEquals(response, otherResponse);
 
         response.setEngineServiceKey(engineServiceKey);
-        assertFalse(response.equals(otherResponse));
+        assertNotEquals(response, otherResponse);
         otherResponse.setEngineServiceKey(engineServiceKey);
-        assertTrue(response.equals(otherResponse));
+        assertEquals(response, otherResponse);
         response.setEngineServiceKey(null);
-        assertFalse(response.equals(otherResponse));
+        assertNotEquals(response, otherResponse);
         otherResponse.setEngineServiceKey(null);
-        assertTrue(response.equals(otherResponse));
+        assertEquals(response, otherResponse);
 
         response.setEngineKeyArray(engineKeyArrayList);
-        assertFalse(response.equals(otherResponse));
+        assertNotEquals(response, otherResponse);
         otherResponse.setEngineKeyArray(engineKeyArrayList);
-        assertTrue(response.equals(otherResponse));
+        assertEquals(response, otherResponse);
         response.setEngineKeyArray(null);
-        assertFalse(response.equals(otherResponse));
+        assertNotEquals(response, otherResponse);
         otherResponse.setEngineKeyArray(null);
-        assertTrue(response.equals(otherResponse));
+        assertEquals(response, otherResponse);
 
     }
 }
diff --git a/core/core-protocols/src/test/java/org/onap/policy/apex/core/protocols/engdep/messages/ResponseTest.java b/core/core-protocols/src/test/java/org/onap/policy/apex/core/protocols/engdep/messages/ResponseTest.java
index 2c1f658b3..b28993a41 100644
--- a/core/core-protocols/src/test/java/org/onap/policy/apex/core/protocols/engdep/messages/ResponseTest.java
+++ b/core/core-protocols/src/test/java/org/onap/policy/apex/core/protocols/engdep/messages/ResponseTest.java
@@ -1,6 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2018 Ericsson. All rights reserved.
+ *  Modifications Copyright (C) 2019-2020 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,6 +23,8 @@ package org.onap.policy.apex.core.protocols.engdep.messages;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotEquals;
+import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;
 
 import java.net.UnknownHostException;
@@ -63,32 +66,32 @@ public class ResponseTest {
         assertEquals(responseTo, message.getResponseTo());
 
         message = new Response(null, false, null);
-        assertTrue(message.hashCode() != 0);
+        assertNotEquals(0, message.hashCode());
         message = new Response(responseKey, false, null);
-        assertTrue(message.hashCode() != 0);
+        assertNotEquals(0, message.hashCode());
         message = new Response(responseKey, true, null);
-        assertTrue(message.hashCode() != 0);
+        assertNotEquals(0, message.hashCode());
         message = new Response(responseKey, true, new UpdateModel(null));
-        assertTrue(message.hashCode() != 0);
-        
-        assertTrue(message.equals(message));
-        assertFalse(message.equals(null));
-        assertFalse(message.equals(new StartEngine(new AxArtifactKey())));
+        assertNotEquals(0, message.hashCode());
+
+        assertEquals(message, message);
+        assertNotNull(message);
+        assertNotEquals(message, new StartEngine(new AxArtifactKey()));
 
         message = new Response(null, false, responseTo);
         Response otherMessage = new Response(null, false, null);
-        assertFalse(message.equals(otherMessage));
+        assertNotEquals(message, otherMessage);
         otherMessage = new Response(null, false, responseTo);
-        assertTrue(message.equals(otherMessage));
+        assertEquals(message, otherMessage);
         message = new Response(null, false, null);
-        assertFalse(message.equals(otherMessage));
+        assertNotEquals(message, otherMessage);
         otherMessage = new Response(null, false, null);
-        assertTrue(message.equals(otherMessage));
-        
+        assertEquals(message, (otherMessage));
+
         message = new Response(null, false, null);
         otherMessage = new Response(null, true, null);
-        assertFalse(message.equals(otherMessage));
+        assertNotEquals(message, otherMessage);
         otherMessage = new Response(null, false, null);
-        assertTrue(message.equals(otherMessage));
+        assertEquals(message, otherMessage);
     }
 }
diff --git a/core/core-protocols/src/test/java/org/onap/policy/apex/core/protocols/engdep/messages/UpdateModelTest.java b/core/core-protocols/src/test/java/org/onap/policy/apex/core/protocols/engdep/messages/UpdateModelTest.java
index 9f954b5a5..0839a43b8 100644
--- a/core/core-protocols/src/test/java/org/onap/policy/apex/core/protocols/engdep/messages/UpdateModelTest.java
+++ b/core/core-protocols/src/test/java/org/onap/policy/apex/core/protocols/engdep/messages/UpdateModelTest.java
@@ -20,7 +20,9 @@
 
 package org.onap.policy.apex.core.protocols.engdep.messages;
 
+import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotEquals;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;
 
@@ -57,30 +59,30 @@ public class UpdateModelTest {
         assertTrue((message.toString()).contains("Placeholder for Apex model XML"));
         assertFalse(message.isIgnoreConflicts());
         assertFalse(message.isForceInstall());
-        
+
         message = new UpdateModel(null, null, false, false);
-        assertTrue(message.hashCode() != 0);
+        assertNotEquals(0, message.hashCode());
         message = new UpdateModel(null, null, true, false);
-        assertTrue(message.hashCode() != 0);
+        assertNotEquals(0, message.hashCode());
         message = new UpdateModel(null, null, true, true);
-        assertTrue(message.hashCode() != 0);
+        assertNotEquals(0, message.hashCode());
         message = new UpdateModel(null, null, false, true);
-        assertTrue(message.hashCode() != 0);
-        
-        assertTrue(message.equals(message));
-        assertFalse(message.equals(null));
-        assertFalse(message.equals(new StartEngine(new AxArtifactKey())));
-        
+        assertNotEquals(0, message.hashCode());
+
+        assertEquals(message, message);
+        assertNotNull(message);
+        assertNotEquals(message, new StartEngine(new AxArtifactKey()));
+
         message = new UpdateModel(null, null, false, false);
         UpdateModel otherMessage = new UpdateModel(null, null, false, false);
-        assertTrue(message.equals(otherMessage));
+        assertEquals(message, otherMessage);
         message = new UpdateModel(null, null, true, false);
-        assertFalse(message.equals(otherMessage));
+        assertNotEquals(message, otherMessage);
         otherMessage = new UpdateModel(null, null, true, false);
-        assertTrue(message.equals(otherMessage));
+        assertEquals(message, otherMessage);
         message = new UpdateModel(null, null, false, true);
-        assertFalse(message.equals(otherMessage));
+        assertNotEquals(message, otherMessage);
         otherMessage = new UpdateModel(null, null, false, true);
-        assertTrue(message.equals(otherMessage));
+        assertEquals(message, otherMessage);
     }
 }