Removing deprecated DMAAP library

Issue-ID: POLICY-4402
Change-Id: I4ce5b303cb3a775010683d3c7102b0bd065280ea
Signed-off-by: adheli.tavares <adheli.tavares@est.tech>

12 files changed, 121 insertions, 142 deletions

diff --git a/policy-utils/src/main/java/org/onap/policy/drools/utils/ReflectionUtil.java b/policy-utils/src/main/java/org/onap/policy/drools/utils/ReflectionUtil.java
index 8afc1e1e..5e77ee4b 100644
--- a/policy-utils/src/main/java/org/onap/policy/drools/utils/ReflectionUtil.java
+++ b/policy-utils/src/main/java/org/onap/policy/drools/utils/ReflectionUtil.java
@@ -3,6 +3,7 @@
  * policy-utils
  * ================================================================================
  * Copyright (C) 2017-2018, 2021 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2024 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -32,7 +33,7 @@ import org.slf4j.LoggerFactory;
 @NoArgsConstructor(access = AccessLevel.PRIVATE)
 public final class ReflectionUtil {
 
-    protected static final Logger logger = LoggerFactory.getLogger(ReflectionUtil.class);
+    private static final Logger logger = LoggerFactory.getLogger(ReflectionUtil.class);
 
     /**
      * returns (if exists) a class fetched from a given classloader.
@@ -75,11 +76,11 @@ public final class ReflectionUtil {
     }
 
     /**
-     * Is it a sub class.
+     * Is it a subclass.
      *
      * @param parent superclass
      * @param presumedSubclass subclass
-     * @return true if it is a sub class
+     * @return true if it is a subclass
      */
     public static boolean isSubclass(Class<?> parent, Class<?> presumedSubclass) {
         return parent.isAssignableFrom(presumedSubclass);
diff --git a/policy-utils/src/main/java/org/onap/policy/drools/utils/logging/LoggerUtil.java b/policy-utils/src/main/java/org/onap/policy/drools/utils/logging/LoggerUtil.java
deleted file mode 100644
index 10788eb8..00000000
--- a/policy-utils/src/main/java/org/onap/policy/drools/utils/logging/LoggerUtil.java
+++ /dev/null
@@ -1,42 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP
- * ================================================================================
- * Copyright (C) 2017-2019, 2021 AT&T Intellectual Property. All rights reserved.
- * ================================================================================
- * 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.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.drools.utils.logging;
-
-import lombok.AccessLevel;
-import lombok.NoArgsConstructor;
-
-/**
- * Loger Utils.
- */
-@NoArgsConstructor(access = AccessLevel.PRIVATE)
-public final class LoggerUtil {
-
-    /**
-     * Logback configuration file system property.
-     */
-    public static final String LOGBACK_CONFIGURATION_FILE_SYSTEM_PROPERTY = "logback.configurationFile";
-
-    /**
-     * Logback default configuration file location.
-     */
-    public static final String LOGBACK_CONFIGURATION_FILE_DEFAULT = "config/logback.xml";
-
-}
diff --git a/policy-utils/src/test/java/org/onap/policy/drools/metrics/MetricTest.java b/policy-utils/src/test/java/org/onap/policy/drools/metrics/MetricTest.java
index 5a5965c4..924d1c95 100644
--- a/policy-utils/src/test/java/org/onap/policy/drools/metrics/MetricTest.java
+++ b/policy-utils/src/test/java/org/onap/policy/drools/metrics/MetricTest.java
@@ -1,6 +1,7 @@
 /*
  * ============LICENSE_START=======================================================
- *  Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2024 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,10 +23,10 @@ package org.onap.policy.drools.metrics;
 
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotEquals;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNull;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertNull;
 
 import com.openpojo.reflection.PojoClass;
 import com.openpojo.reflection.impl.PojoClassFactory;
@@ -39,12 +40,12 @@ import java.text.SimpleDateFormat;
 import java.time.Duration;
 import java.time.Instant;
 import java.util.Date;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
-public class MetricTest {
+class MetricTest {
 
     @Test
-    public void testPojo() {
+    void testPojo() {
         PojoClass metric = PojoClassFactory.getPojoClass(Metric.class);
         Validator val = ValidatorBuilder
                 .create()
@@ -57,7 +58,7 @@ public class MetricTest {
     }
 
     @Test
-    public void testEndTimeSetter() {
+    void testEndTimeSetter() {
         Metric metric = new Metric();
 
         assertNull(metric.getEndTime());
@@ -66,7 +67,7 @@ public class MetricTest {
     }
 
     @Test
-    public void testStartTimeSetter() {
+    void testStartTimeSetter() {
         Metric metric = new Metric();
 
         assertNull(metric.getStartTime());
@@ -75,7 +76,7 @@ public class MetricTest {
     }
 
     @Test
-    public void testElapsedTimeSetter() {
+    void testElapsedTimeSetter() {
         Metric metric = new Metric();
 
         assertNull(metric.getElapsedTime());
@@ -96,7 +97,7 @@ public class MetricTest {
     }
 
     @Test
-    public void testInvocationIdSetter() {
+    void testInvocationIdSetter() {
         Metric metric = new Metric();
 
         assertNull(metric.getInvocationId());
@@ -105,7 +106,7 @@ public class MetricTest {
     }
 
     @Test
-    public void testServiceNameSetter() {
+    void testServiceNameSetter() {
         Metric metric = new Metric();
 
         assertNull(metric.getServiceName());
@@ -114,7 +115,7 @@ public class MetricTest {
     }
 
     @Test
-    public void testInstanceUuidSetter() {
+    void testInstanceUuidSetter() {
         Metric metric = new Metric();
 
         assertNull(metric.getInstanceUuid());
@@ -123,7 +124,7 @@ public class MetricTest {
     }
 
     @Test
-    public void testRequestIdSetter() {
+    void testRequestIdSetter() {
         Metric metric = new Metric();
 
         assertNull(metric.getRequestId());
@@ -132,7 +133,7 @@ public class MetricTest {
     }
 
     @Test
-    public void testPartnerSetter() {
+    void testPartnerSetter() {
         Metric metric = new Metric();
 
         assertNull(metric.getPartner());
@@ -141,7 +142,7 @@ public class MetricTest {
     }
 
     @Test
-    public void testServerNameSetter() {
+    void testServerNameSetter() {
         Metric metric = new Metric();
 
         assertNull(metric.getServerName());
@@ -150,7 +151,7 @@ public class MetricTest {
     }
 
     @Test
-    public void testServerFqdnSetter() {
+    void testServerFqdnSetter() {
         Metric metric = new Metric();
 
         assertNull(metric.getServerFqdn());
@@ -159,7 +160,7 @@ public class MetricTest {
     }
 
     @Test
-    public void testVirtualServerNameSetter() {
+    void testVirtualServerNameSetter() {
         Metric metric = new Metric();
 
         assertNull(metric.getVirtualServerName());
@@ -168,7 +169,7 @@ public class MetricTest {
     }
 
     @Test
-    public void testEqualsToString() {
+    void testEqualsToString() {
         Metric metric1 = new Metric();
         Metric metric2 = new Metric();
 
@@ -185,7 +186,7 @@ public class MetricTest {
     }
 
     @Test
-    public void testToTimestamp() {
+    void testToTimestamp() {
         Instant now = Instant.now();
         assertEquals(new SimpleDateFormat(Metric.DATE_FORMAT).format(Date.from(now)), Metric.toTimestamp(now));
     }
diff --git a/policy-utils/src/test/java/org/onap/policy/drools/models/domains/a/Metadata.java b/policy-utils/src/test/java/org/onap/policy/drools/models/domains/a/Metadata.java
index 0cad4ff0..e81bdd05 100644
--- a/policy-utils/src/test/java/org/onap/policy/drools/models/domains/a/Metadata.java
+++ b/policy-utils/src/test/java/org/onap/policy/drools/models/domains/a/Metadata.java
@@ -1,6 +1,7 @@
 /*
  * ============LICENSE_START=======================================================
- *  Copyright (C) 2020 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2020 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2024 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,6 +22,7 @@
 package org.onap.policy.drools.models.domains.a;
 
 import com.google.gson.annotations.SerializedName;
+import java.io.Serial;
 import java.io.Serializable;
 import lombok.Builder;
 import lombok.Data;
@@ -28,6 +30,7 @@ import lombok.Data;
 @Data
 @Builder
 public class Metadata implements Serializable {
+    @Serial
     private static final long serialVersionUID = 476541531265304644L;
 
     @SerializedName("policy-id")
diff --git a/policy-utils/src/test/java/org/onap/policy/drools/models/domains/a/Nested.java b/policy-utils/src/test/java/org/onap/policy/drools/models/domains/a/Nested.java
index eedadeff..1d46d59d 100644
--- a/policy-utils/src/test/java/org/onap/policy/drools/models/domains/a/Nested.java
+++ b/policy-utils/src/test/java/org/onap/policy/drools/models/domains/a/Nested.java
@@ -1,6 +1,7 @@
 /*
  * ============LICENSE_START=======================================================
- *  Copyright (C) 2020 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2020 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2024 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,6 +22,7 @@
 package org.onap.policy.drools.models.domains.a;
 
 import com.google.gson.annotations.SerializedName;
+import java.io.Serial;
 import java.io.Serializable;
 import lombok.Builder;
 import lombok.Data;
@@ -28,6 +30,7 @@ import lombok.Data;
 @Data
 @Builder
 public class Nested implements Serializable {
+    @Serial
     private static final long serialVersionUID = -1203143214137354429L;
 
     @SerializedName("nested1")
diff --git a/policy-utils/src/test/java/org/onap/policy/drools/models/domains/a/Properties.java b/policy-utils/src/test/java/org/onap/policy/drools/models/domains/a/Properties.java
index 3ba66ce9..e323e8ac 100644
--- a/policy-utils/src/test/java/org/onap/policy/drools/models/domains/a/Properties.java
+++ b/policy-utils/src/test/java/org/onap/policy/drools/models/domains/a/Properties.java
@@ -1,6 +1,7 @@
 /*
  * ============LICENSE_START=======================================================
- *  Copyright (C) 2020 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2020 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2024 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,6 +22,7 @@
 package org.onap.policy.drools.models.domains.a;
 
 import com.google.gson.annotations.SerializedName;
+import java.io.Serial;
 import java.io.Serializable;
 import lombok.Builder;
 import lombok.Data;
@@ -28,6 +30,7 @@ import lombok.Data;
 @Data
 @Builder
 public class Properties implements Serializable {
+    @Serial
     private static final long serialVersionUID = 8476625479607243095L;
 
     @SerializedName("nested")
diff --git a/policy-utils/src/test/java/org/onap/policy/drools/policies/DomainMakerTest.java b/policy-utils/src/test/java/org/onap/policy/drools/policies/DomainMakerTest.java
index 2c883304..5563d5ea 100644
--- a/policy-utils/src/test/java/org/onap/policy/drools/policies/DomainMakerTest.java
+++ b/policy-utils/src/test/java/org/onap/policy/drools/policies/DomainMakerTest.java
@@ -1,7 +1,7 @@
 /*
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2020 AT&T Intellectual Property. All rights reserved.
- *  Modifications Copyright (C) 2021 Nordix Foundation.
+ *  Modifications Copyright (C) 2021, 2024 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,17 +22,17 @@
 package org.onap.policy.drools.policies;
 
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import com.worldturner.medeia.api.ValidationFailedException;
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Paths;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.common.utils.coder.CoderException;
 import org.onap.policy.common.utils.coder.StandardCoder;
 import org.onap.policy.drools.models.domains.a.DomainAPolicy;
@@ -43,17 +43,17 @@ import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifier;
 import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicy;
 import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicyType;
 
-public class DomainMakerTest {
+class DomainMakerTest {
 
     private DomainMaker domainMaker;
 
-    @Before
+    @BeforeEach
     public void setUp() throws Exception {
         domainMaker = new DomainMaker();
     }
 
     @Test
-    public void testIsConformantString() throws IOException {
+    void testIsConformantString() throws IOException {
         ToscaConceptIdentifier policyTypeId =
             new ToscaConceptIdentifier("policy.type.A", "1.0.0");
         String rawJsonPolicyType =
@@ -66,7 +66,7 @@ public class DomainMakerTest {
     }
 
     @Test
-    public void testIsConformantToscaPolicy() throws IOException, CoderException {
+    void testIsConformantToscaPolicy() throws IOException, CoderException {
         ToscaPolicy policy = getToscaPolicy("src/test/resources/policyA.json");
         assertTrue(domainMaker.isConformant(policy));
 
@@ -75,7 +75,7 @@ public class DomainMakerTest {
     }
 
     @Test
-    public void testIsDomainConformant() {
+    void testIsDomainConformant() {
         ToscaConceptIdentifier policyTypeId =
                 new ToscaConceptIdentifier("policy.type.A", "1.0.0");
 
@@ -95,7 +95,7 @@ public class DomainMakerTest {
 
 
     @Test
-    public void testConformance() throws IOException, CoderException {
+    void testConformance() throws IOException, CoderException {
         ToscaPolicy policy1 = getToscaPolicy("src/test/resources/policyA.json");
         assertTrue(domainMaker.conformance(policy1));
 
@@ -116,7 +116,7 @@ public class DomainMakerTest {
     }
 
     @Test
-    public void testRegisterValidator() throws IOException, CoderException {
+    void testRegisterValidator() throws IOException, CoderException {
         ToscaConceptIdentifier policyTypeId =
                 new ToscaConceptIdentifier("policy.type.external", "9.9.9");
 
@@ -133,7 +133,7 @@ public class DomainMakerTest {
     }
 
     @Test
-    public void testConvertToDomainPolicy() throws IOException, CoderException {
+    void testConvertToDomainPolicy() throws IOException, CoderException {
         DomainAPolicy domainAPolicy =
                 domainMaker.convertTo(getToscaPolicy("src/test/resources/policyA.json"), DomainAPolicy.class);
         assertDomainPolicy(domainAPolicy);
@@ -143,7 +143,7 @@ public class DomainMakerTest {
     }
 
     @Test
-    public void testConvertToSchema() {
+    void testConvertToSchema() {
         ToscaPolicyType type = new ToscaPolicyType();
         assertThatThrownBy(() -> domainMaker
             .convertToSchema(type))
@@ -151,7 +151,7 @@ public class DomainMakerTest {
     }
 
     @Test
-    public void testIsRegistered() {
+    void testIsRegistered() {
         ToscaConceptIdentifier policyTypeId1 =
                 new ToscaConceptIdentifier("policy.type.A", "1.0.0");
         assertTrue(domainMaker.isRegistered(policyTypeId1));
@@ -189,7 +189,7 @@ public class DomainMakerTest {
         assertEquals("policy.type.A", domainAPolicy.getType());
         assertEquals("A", domainAPolicy.getMetadata().getPolicyId());
         assertEquals("nested1", domainAPolicy.getProperties().getNested().getNested1());
-        assertEquals(true, domainAPolicy.getProperties().getNested().isNested2());
+        assertTrue(domainAPolicy.getProperties().getNested().isNested2());
         assertEquals(50, domainAPolicy.getProperties().getNested().getNested3());
     }
 }
diff --git a/policy-utils/src/test/java/org/onap/policy/drools/utils/PropertyUtilTest.java b/policy-utils/src/test/java/org/onap/policy/drools/utils/PropertyUtilTest.java
index c19adea4..f2676e5d 100644
--- a/policy-utils/src/test/java/org/onap/policy/drools/utils/PropertyUtilTest.java
+++ b/policy-utils/src/test/java/org/onap/policy/drools/utils/PropertyUtilTest.java
@@ -3,6 +3,7 @@
  * ONAP
  * ================================================================================
  * Copyright (C) 2017-2021 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2024 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,20 +21,22 @@
 
 package org.onap.policy.drools.utils;
 
-import static org.junit.Assert.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.util.Arrays;
+import java.util.Objects;
 import java.util.Properties;
 import java.util.Set;
 import java.util.TreeSet;
 import java.util.UUID;
 import org.apache.commons.lang3.StringUtils;
-import org.junit.AfterClass;
-import org.junit.BeforeClass;
-import org.junit.Test;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.common.utils.logging.LoggerUtils;
 import org.onap.policy.common.utils.security.CryptoUtils;
 import org.slf4j.Logger;
@@ -84,7 +87,7 @@ public class PropertyUtilTest {
     /**
      * Test Setup -- Create a directory for temporary files.
      */
-    @BeforeClass
+    @BeforeAll
     public static void setup() {
         logger.info("setup: creating a temporary directory");
 
@@ -96,15 +99,15 @@ public class PropertyUtilTest {
     /**
      * Test Cleanup -- Remove temporary files.
      */
-    @AfterClass
+    @AfterAll
     public static void teardown() {
         logger.info("teardown: remove the temporary directory");
 
         // the assumption is that we only have one level of temporary files
-        for (File file : directory.listFiles()) {
-            file.delete();
+        for (File file : Objects.requireNonNull(directory.listFiles())) {
+            assertTrue(file.delete());
         }
-        directory.delete();
+        assertTrue(directory.delete());
     }
 
     /**
@@ -153,7 +156,7 @@ public class PropertyUtilTest {
      * Test the basic properties file interface.
      */
     @Test
-    public void testGetProperties() throws Exception {
+    void testGetProperties() throws Exception {
         logger.info("testGetProperties: test the basic properties file interface");
 
         // copy system properties
@@ -253,7 +256,7 @@ public class PropertyUtilTest {
      * This tests the 'PropertyUtil.Listener' interface.
      */
     @Test
-    public void testListenerInterface() throws Exception {
+    void testListenerInterface() throws Exception {
         logger.info("testListenerInterface: test receipt of dynamic updates");
 
         // create initial property file
diff --git a/policy-utils/src/test/java/org/onap/policy/drools/utils/ReferenceTest.java b/policy-utils/src/test/java/org/onap/policy/drools/utils/ReferenceTest.java
index 8afe4626..c8c08d9d 100644
--- a/policy-utils/src/test/java/org/onap/policy/drools/utils/ReferenceTest.java
+++ b/policy-utils/src/test/java/org/onap/policy/drools/utils/ReferenceTest.java
@@ -3,6 +3,7 @@
  * ONAP
  * ================================================================================
  * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2024 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,17 +21,17 @@
 
 package org.onap.policy.drools.utils;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
-public class ReferenceTest {
+class ReferenceTest {
 
     @Test
-    public void testReference() {
+    void testReference() {
         Reference<Integer> val = new Reference<>(null);
         assertNull(val.get());
 
@@ -39,7 +40,7 @@ public class ReferenceTest {
     }
 
     @Test
-    public void testGet_testSet() {
+    void testGet_testSet() {
         Reference<Integer> val = new Reference<>(null);
         assertNull(val.get());
 
@@ -51,7 +52,7 @@ public class ReferenceTest {
     }
 
     @Test
-    public void testCompareAndSet() {
+    void testCompareAndSet() {
         Reference<Integer> val = new Reference<>(null);
 
         Integer valCompare = 100;
diff --git a/policy-utils/src/test/java/org/onap/policy/drools/utils/ReflectionUtilTest.java b/policy-utils/src/test/java/org/onap/policy/drools/utils/ReflectionUtilTest.java
index b7feaf06..cd1aac43 100644
--- a/policy-utils/src/test/java/org/onap/policy/drools/utils/ReflectionUtilTest.java
+++ b/policy-utils/src/test/java/org/onap/policy/drools/utils/ReflectionUtilTest.java
@@ -3,6 +3,7 @@
  * policy-utils
  * ================================================================================
  * Copyright (C) 2017-2018, 2020 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2024 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,26 +21,27 @@
 
 package org.onap.policy.drools.utils;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertTrue;
-import static org.junit.Assert.fail;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+import static org.junit.jupiter.api.Assertions.fail;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
-public class ReflectionUtilTest {
+class ReflectionUtilTest {
 
     public class ParentClass {
 
     }
 
-    public class ChildClass extends ParentClass{
+    class ChildClass extends ParentClass{
 
     }
 
     @Test
-    public void testReflection() {
+    void testReflection() {
 
         try {
 
@@ -61,25 +63,27 @@ public class ReflectionUtilTest {
         }
     }
 
-    @Test(expected = IllegalArgumentException.class)
-    public void testException1() {
-        ReflectionUtil.fetchClass(null, "org.onap.policy.drools.utils.ReflectionUtil");
+    @Test
+    void testException1() {
+        assertThrows(IllegalArgumentException.class, () ->
+            ReflectionUtil.fetchClass(null, "org.onap.policy.drools.utils.ReflectionUtil"));
     }
 
-    @Test(expected = IllegalArgumentException.class)
-    public void testException2() {
+    @Test
+    void testException2() {
         Class<?> class1;
         try {
             class1 = Class.forName("org.onap.policy.drools.utils.ReflectionUtil");
             ClassLoader classLoader = class1.getClassLoader();
-            ReflectionUtil.fetchClass(classLoader, null);
+            assertThrows(IllegalArgumentException.class, () ->
+                ReflectionUtil.fetchClass(classLoader, null));
         } catch (ClassNotFoundException e) {
             fail();
         }
     }
 
     @Test
-    public void testException3() throws ClassNotFoundException {
+    void testException3() {
         assertNull(ReflectionUtil.fetchClass(ClassLoader.getSystemClassLoader(), "foo.bar"));
     }
 }
diff --git a/policy-utils/src/test/java/org/onap/policy/drools/utils/logging/LoggerUtilTest.java b/policy-utils/src/test/java/org/onap/policy/drools/utils/logging/LoggerUtilTest.java
index 195a7add..524d46e4 100644
--- a/policy-utils/src/test/java/org/onap/policy/drools/utils/logging/LoggerUtilTest.java
+++ b/policy-utils/src/test/java/org/onap/policy/drools/utils/logging/LoggerUtilTest.java
@@ -3,6 +3,7 @@
  * policy-utils
  * ================================================================================
  * Copyright (C) 2018, 2021 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2024 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,18 +21,18 @@
 
 package org.onap.policy.drools.utils.logging;
 
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.common.utils.logging.LoggerUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-public class LoggerUtilTest {
+class LoggerUtilTest {
 
     @Test
-    public void test() {
+    void test() {
 
         Logger logger = LoggerFactory.getLogger(LoggerUtilTest.class);
 
diff --git a/policy-utils/src/test/java/org/onap/policy/drools/utils/logging/MdcTransactionTest.java b/policy-utils/src/test/java/org/onap/policy/drools/utils/logging/MdcTransactionTest.java
index 213c1c6e..2beddcc3 100644
--- a/policy-utils/src/test/java/org/onap/policy/drools/utils/logging/MdcTransactionTest.java
+++ b/policy-utils/src/test/java/org/onap/policy/drools/utils/logging/MdcTransactionTest.java
@@ -3,6 +3,7 @@
  * policy-utils
  * ================================================================================
  * Copyright (C) 2018-2020 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2024 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -19,20 +20,20 @@
 
 package org.onap.policy.drools.utils.logging;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotEquals;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNull;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertNull;
 
 import java.time.Duration;
 import java.time.Instant;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 import org.slf4j.MDC;
 
-public class MdcTransactionTest {
+class MdcTransactionTest {
 
     @Test
-    public void testResetSubTransaction() {
+    void testResetSubTransaction() {
         MdcTransaction trans =
             MdcTransaction.newTransaction(null, null).resetSubTransaction();
 
@@ -88,7 +89,7 @@ public class MdcTransactionTest {
 
     private void assertNullKeys(String... nullKeys) {
         for (String key: nullKeys) {
-            assertNull(key, MDC.get(key));
+            assertNull(MDC.get(key));
         }
     }
 
@@ -126,7 +127,7 @@ public class MdcTransactionTest {
     }
 
     @Test
-    public void testFlush() {
+    void testFlush() {
         MdcTransaction trans =
                         MdcTransaction.newTransaction()
                 .setRequestId(null)
@@ -198,12 +199,12 @@ public class MdcTransactionTest {
     }
 
     private void assertKeyEquals(String expected, String transValue, String mdcKey) {
-        assertEquals("trans." + expected, expected, transValue);
-        assertEquals("mdc." + expected, expected, MDC.get(mdcKey));
+        assertEquals(expected, transValue, "trans." + expected);
+        assertEquals(expected, MDC.get(mdcKey), "mdc." + expected);
     }
 
     @Test
-    public void testMetric() {
+    void testMetric() {
         MdcTransaction trans =
             MdcTransaction.newTransaction(null, null).metric();
 
@@ -211,7 +212,7 @@ public class MdcTransactionTest {
     }
 
     @Test
-    public void testTransaction() {
+    void testTransaction() {
         MdcTransaction trans =
             MdcTransaction.newTransaction(null, null).transaction();
 
@@ -219,7 +220,7 @@ public class MdcTransactionTest {
     }
 
     @Test
-    public void testSubTransaction() {
+    void testSubTransaction() {
         MdcTransaction trans =
             MdcTransaction.newTransaction(null, "partner");