Convert junit4 to junit5

- tools module

Issue-ID: POLICY-5041
Change-Id: I4fddc20e306e82db8af858ff2444f7e40c9e5acd
Signed-off-by: adheli.tavares <adheli.tavares@est.tech>

11 files changed, 179 insertions, 176 deletions

diff --git a/tools/model-generator/src/test/java/org/onap/policy/apex/tools/model/generator/KeyInfoGetterTest.java b/tools/model-generator/src/test/java/org/onap/policy/apex/tools/model/generator/KeyInfoGetterTest.java
index e6ecefd12..3ba316f8a 100644
--- a/tools/model-generator/src/test/java/org/onap/policy/apex/tools/model/generator/KeyInfoGetterTest.java
+++ b/tools/model-generator/src/test/java/org/onap/policy/apex/tools/model/generator/KeyInfoGetterTest.java
@@ -1,29 +1,30 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2018 Ericsson. 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.
  * 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=========================================================
  */
 
 package org.onap.policy.apex.tools.model.generator;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNull;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNull;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
 import org.onap.policy.apex.model.policymodel.concepts.AxPolicyModel;
 import org.onap.policy.apex.model.policymodel.concepts.AxState;
@@ -32,10 +33,10 @@ import org.onap.policy.apex.testsuites.integration.common.model.SampleDomainMode
 /**
  * Test the Key Info Getter.
  */
-public class KeyInfoGetterTest {
+class KeyInfoGetterTest {
 
     @Test
-    public void testKeyInfoGetter() {
+    void testKeyInfoGetter() {
         AxPolicyModel sampleModel = new SampleDomainModelFactory().getSamplePolicyModel("JAVASCRIPT");
 
         KeyInfoGetter kiGetter = new KeyInfoGetter(sampleModel);
@@ -50,22 +51,22 @@ public class KeyInfoGetterTest {
         assertNull(kiGetter.getDesc(null));
         assertNull(kiGetter.getDesc(new AxArtifactKey()));
         assertEquals("Generated description for concept referred to by key " + "\"SamplePolicyModelJAVASCRIPT:0.0.1\"",
-                        kiGetter.getDesc(sampleModel.getKey()));
-        
+            kiGetter.getDesc(sampleModel.getKey()));
+
         assertNull(kiGetter.getVersion(null));
         assertEquals("0.0.1", kiGetter.getVersion(sampleModel.getKey()));
-        
+
         AxState matchState = sampleModel.getPolicies().get("Policy0").getStateMap().get("Match");
-        
+
         assertNull(kiGetter.getLName(null));
         assertEquals("Match", kiGetter.getLName(matchState.getKey()));
-        
+
         assertNull(kiGetter.getPName(null));
         assertEquals("Policy0", kiGetter.getPName(matchState.getKey()));
-        
+
         assertNull(kiGetter.getPVersion(null));
         assertEquals("0.0.1", kiGetter.getPVersion(matchState.getKey()));
-        
+
         assertNull(kiGetter.getPlName(null));
         assertEquals("NULL", kiGetter.getPlName(matchState.getKey()));
     }
diff --git a/tools/model-generator/src/test/java/org/onap/policy/apex/tools/model/generator/SchemaUtilsTest.java b/tools/model-generator/src/test/java/org/onap/policy/apex/tools/model/generator/SchemaUtilsTest.java
index a195411f3..f4f0997af 100644
--- a/tools/model-generator/src/test/java/org/onap/policy/apex/tools/model/generator/SchemaUtilsTest.java
+++ b/tools/model-generator/src/test/java/org/onap/policy/apex/tools/model/generator/SchemaUtilsTest.java
@@ -1,7 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2020 Nordix Foundation.
+ *  Modifications Copyright (C) 2020, 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.
@@ -22,7 +22,7 @@
 package org.onap.policy.apex.tools.model.generator;
 
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
-import static org.junit.Assert.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import java.io.ByteArrayInputStream;
 import java.io.IOException;
@@ -31,8 +31,8 @@ import java.util.List;
 import java.util.Map;
 import org.apache.avro.Schema;
 import org.apache.avro.Schema.Field;
-import org.junit.BeforeClass;
-import org.junit.Test;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.apex.context.impl.schema.SchemaHelperFactory;
 import org.onap.policy.apex.context.impl.schema.java.JavaSchemaHelperParameters;
 import org.onap.policy.apex.context.parameters.ContextParameterConstants;
@@ -63,10 +63,10 @@ public class SchemaUtilsTest {
     /**
      * Read the models into strings.
      *
-     * @throws IOException on model reading errors
+     * @throws IOException        on model reading errors
      * @throws ApexModelException on model reading exceptions
      */
-    @BeforeClass
+    @BeforeAll
     public static void readSimpleModel() throws IOException, ApexModelException {
         String avroModelString = TextFileUtils.getTextFileAsString("src/test/resources/vpnsla.json");
 
@@ -75,18 +75,17 @@ public class SchemaUtilsTest {
     }
 
     @Test
-    public void testSchemaUtilsErrors() {
+    void testSchemaUtilsErrors() {
         AxEvent event = avroModel.getEvents().get("CustomerContextEventIn");
+        String modelClassName = "org.onap.policy.apex.model.contextmodel.concepts.AxContextSchemas";
 
         assertThatThrownBy(() -> SchemaUtils.getEventSchema(event))
-            .hasMessage("Model for org.onap.policy.apex.model.contextmodel.concepts.AxContextSchemas"
-                + " not found in model service");
+            .hasMessage("Model for " + modelClassName + " not found in model service");
 
         assertThatThrownBy(() -> {
             Map<String, Schema> preexistingParamSchemas = new LinkedHashMap<>();
             SchemaUtils.getEventParameterSchema(event.getParameterMap().get("links"), preexistingParamSchemas);
-        }).hasMessage("Model for org.onap.policy.apex.model.contextmodel.concepts.AxContextSchemas"
-                + " not found in model service");
+        }).hasMessage("Model for " + modelClassName + " not found in model service");
 
         List<Field> skeletonFields = SchemaUtils.getSkeletonEventSchemaFields();
         assertEquals(5, skeletonFields.size());
@@ -95,16 +94,15 @@ public class SchemaUtilsTest {
         AxArtifactKey topoNodesKey = new AxArtifactKey("albumTopoNodes", "0.0.1");
         assertThatThrownBy(() -> {
             AvroSchemaHelper schemaHelper = (AvroSchemaHelper) new SchemaHelperFactory()
-                    .createSchemaHelper(topoNodesKey, avroCtxtSchema.getKey());
+                .createSchemaHelper(topoNodesKey, avroCtxtSchema.getKey());
 
             Map<String, Schema> schemaMap = new LinkedHashMap<>();
             SchemaUtils.processSubSchemas(schemaHelper.getAvroSchema(), schemaMap);
-        }).hasMessage("Model for org.onap.policy.apex.model.contextmodel.concepts.AxContextSchemas"
-                + " not found in model service");
+        }).hasMessage("Model for " + modelClassName + " not found in model service");
     }
 
     @Test
-    public void testSchemaUtils() throws ApexEventException {
+    void testSchemaUtils() throws ApexEventException {
         ParameterService.clear();
         final SchemaParameters schemaParameters = new SchemaParameters();
         schemaParameters.setName(ContextParameterConstants.SCHEMA_GROUP_NAME);
@@ -117,11 +115,11 @@ public class SchemaUtilsTest {
 
         Schema eventSchema = SchemaUtils.getEventSchema(event);
         assertEquals("{\"type\":\"record\",\"name\":\"CustomerContextEventIn\"",
-                eventSchema.toString().substring(0, 48));
+            eventSchema.toString().substring(0, 48));
 
         Map<String, Schema> preexistingParamSchemas = new LinkedHashMap<>();
         Schema epSchema =
-                SchemaUtils.getEventParameterSchema(event.getParameterMap().get("links"), preexistingParamSchemas);
+            SchemaUtils.getEventParameterSchema(event.getParameterMap().get("links"), preexistingParamSchemas);
         assertEquals("\"string\"", epSchema.toString());
 
         AxContextSchema avroCtxtSchema = avroModel.getSchemas().get("ctxtTopologyNodesDecl");
@@ -131,7 +129,7 @@ public class SchemaUtilsTest {
 
         assertThatThrownBy(() -> {
             AvroSchemaHelper schemaHelper = (AvroSchemaHelper) new SchemaHelperFactory()
-                    .createSchemaHelper(topoNodesKey, avroCtxtSchema.getKey());
+                .createSchemaHelper(topoNodesKey, avroCtxtSchema.getKey());
 
             Map<String, Schema> schemaMap = new LinkedHashMap<>();
             SchemaUtils.processSubSchemas(schemaHelper.getAvroSchema(), schemaMap);
@@ -140,20 +138,20 @@ public class SchemaUtilsTest {
         schemaParameters.getSchemaHelperParameterMap().put("Avro", new AvroSchemaHelperParameters());
 
         AvroSchemaHelper schemaHelper =
-                (AvroSchemaHelper) new SchemaHelperFactory().createSchemaHelper(topoNodesKey, avroCtxtSchema.getKey());
+            (AvroSchemaHelper) new SchemaHelperFactory().createSchemaHelper(topoNodesKey, avroCtxtSchema.getKey());
 
         Map<String, Schema> schemaMap = new LinkedHashMap<>();
         SchemaUtils.processSubSchemas(schemaHelper.getAvroSchema(), schemaMap);
 
         eventSchema = SchemaUtils.getEventSchema(event);
         assertEquals("{\"type\":\"record\",\"name\":\"CustomerContextEventIn\"",
-                eventSchema.toString().substring(0, 48));
+            eventSchema.toString().substring(0, 48));
 
         epSchema = SchemaUtils.getEventParameterSchema(event.getParameterMap().get("links"), preexistingParamSchemas);
         assertEquals("\"string\"", epSchema.toString());
 
         AxInputField inField =
-                new AxInputField(new AxReferenceKey("FieldParent", "0.0.1", "Field"), avroCtxtSchema.getKey(), false);
+            new AxInputField(new AxReferenceKey("FieldParent", "0.0.1", "Field"), avroCtxtSchema.getKey(), false);
 
         Schema ep2Schema = SchemaUtils.getEventParameterSchema(inField, preexistingParamSchemas);
         assertEquals("{\"type\":\"record\",\"name\":\"TopologyNodes\"", ep2Schema.toString().substring(0, 39));
diff --git a/tools/model-generator/src/test/java/org/onap/policy/apex/tools/model/generator/model2cli/Model2CliTest.java b/tools/model-generator/src/test/java/org/onap/policy/apex/tools/model/generator/model2cli/Model2CliTest.java
index b27c16842..41be1d3dd 100644
--- a/tools/model-generator/src/test/java/org/onap/policy/apex/tools/model/generator/model2cli/Model2CliTest.java
+++ b/tools/model-generator/src/test/java/org/onap/policy/apex/tools/model/generator/model2cli/Model2CliTest.java
@@ -1,7 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2020,2022 Nordix Foundation.
+ *  Modifications Copyright (C) 2020, 2022, 2024 Nordix Foundation.
  *  Modifications Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -24,27 +24,27 @@ package org.onap.policy.apex.tools.model.generator.model2cli;
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatCode;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import java.io.ByteArrayOutputStream;
 import java.io.File;
 import java.io.IOException;
 import java.io.PrintStream;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Test the Model2Cli utility.
  */
-public class Model2CliTest {
+class Model2CliTest {
     @Test
-    public void testModel2Cli() {
+    void testModel2Cli() {
         final String[] cliArgs = {"-h"};
 
         assertThatCode(() -> Model2CliMain.main(cliArgs)).doesNotThrowAnyException();
     }
 
     @Test
-    public void testModel2CliNoOptions() {
+    void testModel2CliNoOptions() {
         final String[] cliArgs = new String[] {};
 
         final String outputString = runModel2Cli(cliArgs);
@@ -53,22 +53,22 @@ public class Model2CliTest {
     }
 
     @Test
-    public void testModel2CliBadOptions() {
+    void testModel2CliBadOptions() {
         assertThat(runModel2Cli(new String[] {"-zabbu"})).contains("usage: gen-model2cli");
     }
 
     @Test
-    public void testModel2CliHelp() {
+    void testModel2CliHelp() {
         assertThat(runModel2Cli(new String[] {"-h"})).contains("usage: gen-model2cli");
     }
 
     @Test
-    public void testModel2CliVersion() {
+    void testModel2CliVersion() {
         assertThat(runModel2Cli(new String[] {"-v"})).contains("gen-model2cli").doesNotContain("usage:");
     }
 
     @Test
-    public void testModel2CliOverwrite() throws IOException {
+    void testModel2CliOverwrite() throws IOException {
         File tempFile = File.createTempFile("AvroModel", ".apex");
         tempFile.deleteOnExit();
 
@@ -80,32 +80,32 @@ public class Model2CliTest {
     }
 
     @Test
-    public void testModel2CliAadm() throws IOException {
+    void testModel2CliAadm() throws IOException {
         testModel2CliModel("target/examples/models/AADM", "AADMPolicyModel");
     }
 
     @Test
-    public void testModel2CliAnomaly() throws IOException {
+    void testModel2CliAnomaly() throws IOException {
         testModel2CliModel("target/examples/models/Adaptive", "AnomalyDetectionPolicyModel");
     }
 
     @Test
-    public void testModel2CliAutoLearn() throws IOException {
+    void testModel2CliAutoLearn() throws IOException {
         testModel2CliModel("target/examples/models/Adaptive", "AutoLearnPolicyModel");
     }
 
     @Test
-    public void testModel2CliJms() throws IOException {
+    void testModel2CliJms() throws IOException {
         testModel2CliModel("target/examples/models/JMS", "JMSTestModel");
     }
 
     @Test
-    public void testModel2CliMfp() throws IOException {
+    void testModel2CliMfp() throws IOException {
         testModel2CliModel("target/examples/models/MyFirstPolicy/2", "MyFirstPolicyModel_0.0.1");
     }
 
     @Test
-    public void testModel2CliSample() throws IOException {
+    void testModel2CliSample() throws IOException {
         testModel2CliModel("target/examples/models/SampleDomain", "SamplePolicyModelJAVASCRIPT");
     }
 
diff --git a/tools/model-generator/src/test/java/org/onap/policy/apex/tools/model/generator/model2event/Model2EventSchemaTest.java b/tools/model-generator/src/test/java/org/onap/policy/apex/tools/model/generator/model2event/Model2EventSchemaTest.java
index 9c7eccd0f..9ffbd3ca4 100644
--- a/tools/model-generator/src/test/java/org/onap/policy/apex/tools/model/generator/model2event/Model2EventSchemaTest.java
+++ b/tools/model-generator/src/test/java/org/onap/policy/apex/tools/model/generator/model2event/Model2EventSchemaTest.java
@@ -1,6 +1,6 @@
 /*-
  * ============LICENSE_START=======================================================
- *  Copyright (C) 2019 Nordix Foundation.
+ *  Copyright (C) 2019, 2024 Nordix Foundation.
  *  Modifications Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -22,15 +22,15 @@
 package org.onap.policy.apex.tools.model.generator.model2event;
 
 import static org.assertj.core.api.Assertions.assertThatCode;
-import static org.junit.Assert.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import java.util.Arrays;
 import org.apache.avro.Schema;
 import org.apache.avro.Schema.Field;
 import org.apache.avro.Schema.Type;
-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.apex.context.impl.schema.java.JavaSchemaHelperParameters;
 import org.onap.policy.apex.context.parameters.ContextParameterConstants;
 import org.onap.policy.apex.context.parameters.SchemaParameters;
@@ -42,17 +42,20 @@ import org.stringtemplate.v4.STGroupFile;
 /**
  * Test the Model2EventSchema.
  */
-public class Model2EventSchemaTest {
+class Model2EventSchemaTest {
     String modelFile = "src/test/resources/blankSchema.json";
     String type = "stimuli";
-    /** The name of the application. */
-    public static final String APP_NAME = "gen-model2eventSchema";
 
     /**
-     * Set ups parameterService for the test.
+     * The name of the application.
      */
-    @BeforeClass
-    public static void prepareForTest() {
+    private static final String APP_NAME = "gen-model2eventSchema";
+
+    /**
+     * Set-ups parameterService for the test.
+     */
+    @BeforeAll
+    static void prepareForTest() {
         final SchemaParameters schemaParameters = new SchemaParameters();
         schemaParameters.setName(ContextParameterConstants.SCHEMA_GROUP_NAME);
         schemaParameters.getSchemaHelperParameterMap().put("JAVA", new JavaSchemaHelperParameters());
@@ -62,7 +65,7 @@ public class Model2EventSchemaTest {
     }
 
     @Test
-    public void testEventSchemaBadModelFile() {
+    void testEventSchemaBadModelFile() {
         Model2JsonEventSchema app = new Model2JsonEventSchema(modelFile, type, APP_NAME);
         assertThatCode(() -> {
             int ret = app.runApp();
@@ -72,7 +75,7 @@ public class Model2EventSchemaTest {
     }
 
     @Test
-    public void testEventSchemaBadType() {
+    void testEventSchemaBadType() {
         modelFile = "src/test/resources/SmallModel.json";
         type = "default";
         Model2JsonEventSchema app = new Model2JsonEventSchema(modelFile, type, APP_NAME);
@@ -83,19 +86,19 @@ public class Model2EventSchemaTest {
     }
 
     @Test
-    public void testEventSchemaStimuli() throws ApexException {
+    void testEventSchemaStimuli() throws ApexException {
         modelFile = "src/test/resources/SmallModel.json";
 
         String[] types = {"stimuli", "response", "internal"};
-        for (String type2: types) {
+        for (String type2 : types) {
             type = type2;
             Model2JsonEventSchema app = new Model2JsonEventSchema(modelFile, type, APP_NAME);
-            assertEquals(type, 0, app.runApp());
+            assertEquals(0, app.runApp(), type);
         }
     }
 
     @Test
-    public void testEventSchemaNotSimpleType() {
+    void testEventSchemaNotSimpleType() {
         modelFile = "src/test/resources/ExecutionPropertiesRestTestPolicyModel.json";
         type = "internal";
         Model2JsonEventSchema app = new Model2JsonEventSchema(modelFile, type, APP_NAME);
@@ -103,7 +106,7 @@ public class Model2EventSchemaTest {
 
         Field stringField = new Field("string", Schema.create(Type.STRING), null, null);
         Field enumField =
-                new Field("enum", Schema.createEnum("my_enum", "doc", null, Arrays.asList("a", "b", "c")), null, null);
+            new Field("enum", Schema.createEnum("my_enum", "doc", null, Arrays.asList("a", "b", "c")), null, null);
         Schema schema = Schema.createRecord("my_record", "doc", "mytest", false);
         schema.setFields(Arrays.asList(stringField, enumField));
         Schema arrayOut = Schema.createArray(schema);
@@ -115,8 +118,8 @@ public class Model2EventSchemaTest {
         }).doesNotThrowAnyException();
     }
 
-    @AfterClass
-    public static void cleanTest() {
+    @AfterAll
+    static void cleanTest() {
         ParameterService.deregister(ContextParameterConstants.SCHEMA_GROUP_NAME);
         ModelService.clear();
     }
diff --git a/tools/model-generator/src/test/java/org/onap/policy/apex/tools/model/generator/model2event/Model2EventTest.java b/tools/model-generator/src/test/java/org/onap/policy/apex/tools/model/generator/model2event/Model2EventTest.java
index c9180607e..93bb6e9e8 100644
--- a/tools/model-generator/src/test/java/org/onap/policy/apex/tools/model/generator/model2event/Model2EventTest.java
+++ b/tools/model-generator/src/test/java/org/onap/policy/apex/tools/model/generator/model2event/Model2EventTest.java
@@ -1,7 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2020 Nordix Foundation
+ *  Modifications Copyright (C) 2020, 2024 Nordix Foundation.
  *  Modifications Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -24,31 +24,27 @@ package org.onap.policy.apex.tools.model.generator.model2event;
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatCode;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import java.io.ByteArrayOutputStream;
 import java.io.File;
 import java.io.IOException;
 import java.io.PrintStream;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Test the Model2Event utility.
  */
-public class Model2EventTest {
+class Model2EventTest {
     @Test
-    public void testModel2Event() {
-        final String[] EventArgs =
-            { "-h" };
-
+    void testModel2Event() {
+        final String[] EventArgs = {"-h"};
         assertThatCode(() -> Model2EventMain.main(EventArgs)).doesNotThrowAnyException();
-
     }
 
     @Test
-    public void testModel2EventNoOptions() {
-        final String[] EventArgs = new String[]
-            {};
+    void testModel2EventNoOptions() {
+        final String[] EventArgs = new String[] {};
 
         final String outputString = runModel2Event(EventArgs);
 
@@ -56,24 +52,24 @@ public class Model2EventTest {
     }
 
     @Test
-    public void testModel2EventBadOptions() {
+    void testModel2EventBadOptions() {
         assertThat(runModel2Event(new String[] {"-zabbu"})).contains("usage: gen-model2event");
     }
 
     @Test
-    public void testModel2EventHelp() {
+    void testModel2EventHelp() {
         assertThat(runModel2Event(new String[] {"-h"})).contains("usage: gen-model2event");
     }
 
     @Test
-    public void testModel2EventVersion() {
+    void testModel2EventVersion() {
         assertThat(runModel2Event(new String[] {"-v"})).contains("gen-model2event").doesNotContain("usage:");
     }
 
     @Test
-    public void testModel2EventNoType() {
+    void testModel2EventNoType() {
         final String[] EventArgs =
-            { "-m", "src/test/resources/models/AvroModel.json" };
+            {"-m", "src/test/resources/models/AvroModel.json"};
 
         final String outputString = runModel2Event(EventArgs);
 
@@ -81,9 +77,9 @@ public class Model2EventTest {
     }
 
     @Test
-    public void testModel2EventBadType() {
+    void testModel2EventBadType() {
         final String[] EventArgs =
-            { "-m", "src/test/resources/models/AvroModel.json", "-t", "Zooby" };
+            {"-m", "src/test/resources/models/AvroModel.json", "-t", "Zooby"};
 
         final String outputString = runModel2Event(EventArgs);
 
@@ -91,27 +87,27 @@ public class Model2EventTest {
     }
 
     @Test
-    public void testModel2EventAadm() throws IOException {
+    void testModel2EventAadm() throws IOException {
         testModel2EventModel("AADMPolicyModel");
     }
 
     @Test
-    public void testModel2EventAnomaly() throws IOException {
+    void testModel2EventAnomaly() throws IOException {
         testModel2EventModel("AnomalyDetectionPolicyModel");
     }
 
     @Test
-    public void testModel2EventAutoLearn() throws IOException {
+    void testModel2EventAutoLearn() throws IOException {
         testModel2EventModel("AutoLearnPolicyModel");
     }
 
     @Test
-    public void testModel2EventMfp() throws IOException {
+    void testModel2EventMfp() throws IOException {
         testModel2EventModel("MyFirstPolicyModel");
     }
 
     @Test
-    public void testModel2EventSample() throws IOException {
+    void testModel2EventSample() throws IOException {
         testModel2EventModel("SamplePolicyModelJAVASCRIPT");
     }
 
@@ -143,17 +139,17 @@ public class Model2EventTest {
         tempFile.deleteOnExit();
 
         final String[] eventArgs0 =
-            { "-m", "src/test/resources/models/" + modelName + ".json", "-t", "stimuli" };
+            {"-m", "src/test/resources/models/" + modelName + ".json", "-t", "stimuli"};
         final String outputString0 = runModel2Event(eventArgs0);
 
         assertTrue(outputString0.contains("type: stimuli"));
 
-        final String[] eventArgs1 = {"-m", "src/test/resources/models/" + modelName + ".json", "-t", "response" };
+        final String[] eventArgs1 = {"-m", "src/test/resources/models/" + modelName + ".json", "-t", "response"};
         final String outputString1 = runModel2Event(eventArgs1);
 
         assertTrue(outputString1.contains("type: response"));
 
-        final String[] eventArgs2 = {"-m", "src/test/resources/models/" + modelName + ".json", "-t", "internal" };
+        final String[] eventArgs2 = {"-m", "src/test/resources/models/" + modelName + ".json", "-t", "internal"};
         final String outputString2 = runModel2Event(eventArgs2);
 
         assertTrue(outputString2.contains("type: internal"));
diff --git a/tools/simple-wsclient/src/test/java/org/onap/policy/apex/tools/simple/wsclient/WsClientTest.java b/tools/simple-wsclient/src/test/java/org/onap/policy/apex/tools/simple/wsclient/WsClientTest.java
index e3e775af4..2c618c6a7 100644
--- a/tools/simple-wsclient/src/test/java/org/onap/policy/apex/tools/simple/wsclient/WsClientTest.java
+++ b/tools/simple-wsclient/src/test/java/org/onap/policy/apex/tools/simple/wsclient/WsClientTest.java
@@ -1,7 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2020 Nordix Foundation
+ *  Modifications Copyright (C) 2020, 2024 Nordix Foundation.
  *  Modifications Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -29,70 +29,71 @@ import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.InputStream;
 import java.io.PrintStream;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Test the WsClient utility.
  */
-public class WsClientTest {
+class WsClientTest {
+
     @Test
-    public void testWsClient() {
+    void testWsClient() {
         final String[] EventArgs =
-            { "-h" };
+            {"-h"};
 
         assertThatCode(() -> WsClientMain.main(EventArgs)).doesNotThrowAnyException();
     }
 
     @Test
-    public void testWsClientNoOptions() {
+    void testWsClientNoOptions() {
         assertThat(runWsClient(new String[] {})).contains("ws-client: starting simple event echo");
     }
 
     @Test
-    public void testWsClientBadOptions() {
+    void testWsClientBadOptions() {
         assertThat(runWsClient(new String[] {"-zabbu"})).contains("usage: ws-client");
     }
 
     @Test
-    public void testWsClientHelp() {
+    void testWsClientHelp() {
         assertThat(runWsClient(new String[] {"-h"})).contains("usage: ws-client");
     }
 
     @Test
-    public void testWsClientVersion() {
+    void testWsClientVersion() {
         assertThat(runWsClient(new String[] {"-v"})).contains("ws-client").doesNotContain("usage:");
     }
 
     @Test
-    public void testWsClientNoServerArg() {
+    void testWsClientNoServerArg() {
         assertThat(runWsClient(new String[] {"-s"})).contains("ws-client");
     }
 
     @Test
-    public void testWsClientNoPortArg() {
+    void testWsClientNoPortArg() {
         assertThat(runWsClient(new String[] {"-p"})).contains("usage: ws-client");
     }
 
     @Test
-    public void testWsClientBadPortArg() {
+    void testWsClientBadPortArg() {
         assertThat(runWsClient(new String[] {"-p", "hello"})).contains("ws-client");
     }
 
     @Test
-    public void testWsClientBadServerArg() {
+    void testWsClientBadServerArg() {
         assertThat(runWsClient(new String[] {"-s", "asdsadadasd:asdasdsadasd"})).contains("ws-client");
     }
 
     @Test
-    public void testWsClientConsole() {
+    void testWsClientConsole() {
         assertThat(runWsClient(new String[] {"-c", "-s", "AServerThatDoesntExist", "-p", "99999999"}))
-                        .contains("terminate the application typing");
+            .contains("terminate the application typing");
     }
 
     @Test
-    public void testWsClientEcho() {
+    void testWsClientEcho() {
         assertThat(runWsClient(new String[] {"-s", "AServerThatDoesntExist", "-p", "99999999"})).contains(
-                        "Once started, the application will simply print out all received events to standard out");
+            "Once started, the application will simply print out all received events to standard out");
     }
 
     /**
diff --git a/tools/tools-common/src/test/java/org/onap/policy/apex/tools/common/CliParserTest.java b/tools/tools-common/src/test/java/org/onap/policy/apex/tools/common/CliParserTest.java
index 80980bb34..62dd1c2db 100644
--- a/tools/tools-common/src/test/java/org/onap/policy/apex/tools/common/CliParserTest.java
+++ b/tools/tools-common/src/test/java/org/onap/policy/apex/tools/common/CliParserTest.java
@@ -1,7 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2020 Nordix Foundation
+ *  Modifications Copyright (C) 2020, 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.
@@ -23,10 +23,10 @@ package org.onap.policy.apex.tools.common;
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
-import static org.junit.Assert.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
 
 import org.apache.commons.cli.Option;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 import org.slf4j.ext.XLogger;
 import org.slf4j.ext.XLoggerFactory;
 
@@ -36,13 +36,15 @@ import org.slf4j.ext.XLoggerFactory;
  *
  * @author Sven van der Meer (sven.van.der.meer@ericsson.com)
  */
-public class CliParserTest {
+class CliParserTest {
 
     private static final XLogger LOGGER = XLoggerFactory.getXLogger(CliParserTest.class);
 
-    /** Testapp version. */
+    /**
+     * Test app version.
+     */
     @Test
-    public void testappVersion() {
+    void testAppVersion() {
         final CliParser cli = new CliParser();
         assertNotNull(cli);
         LOGGER.info(cli.getAppVersion());
@@ -52,7 +54,7 @@ public class CliParserTest {
      * testAddAndGetOptionException.
      */
     @Test
-    public void testAddAndGetOptionException() {
+    void testAddAndGetOptionException() {
         final CliParser cli = new CliParser();
         assertThatThrownBy(() -> {
             cli.addOption(null);
@@ -63,7 +65,7 @@ public class CliParserTest {
      * testParseAndGetCli.
      */
     @Test
-    public void testParseAndGetCli() {
+    void testParseAndGetCli() {
         final CliParser cli = new CliParser();
         final Option option = new Option("g", "Good option.");
         cli.addOption(option);
diff --git a/tools/tools-common/src/test/java/org/onap/policy/apex/tools/common/ConsoleTest.java b/tools/tools-common/src/test/java/org/onap/policy/apex/tools/common/ConsoleTest.java
index aefa92b9c..70c8d1e4d 100644
--- a/tools/tools-common/src/test/java/org/onap/policy/apex/tools/common/ConsoleTest.java
+++ b/tools/tools-common/src/test/java/org/onap/policy/apex/tools/common/ConsoleTest.java
@@ -1,6 +1,6 @@
 /*-
  * ============LICENSE_START=======================================================
- *  Copyright (C) 2019 Nordix Foundation.
+ *  Copyright (C) 2019, 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.
@@ -24,31 +24,30 @@ import static org.assertj.core.api.Assertions.assertThat;
 
 import java.io.ByteArrayOutputStream;
 import java.io.PrintStream;
-import org.junit.After;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 
 /**
  * Tests for {@link Console}.
- *
  */
 
-public class ConsoleTest {
+class ConsoleTest {
     private final ByteArrayOutputStream errContent = new ByteArrayOutputStream();
     private final PrintStream originalErr = System.err;
 
-    @Before
+    @BeforeEach
     public void setUpStreams() {
         System.setErr(new PrintStream(errContent));
     }
 
-    @After
+    @AfterEach
     public void restoreStreams() {
         System.setErr(originalErr);
     }
 
     @Test
-    public void testConsole() {
+    void testConsole() {
         Console.CONSOLE.setAppName(null);
         Console.CONSOLE.info("");
         Console.CONSOLE.error("");
@@ -61,23 +60,23 @@ public class ConsoleTest {
 
         Console.CONSOLE.setAppName("");
         Console.CONSOLE.set(Console.TYPE_DEBUG, Console.TYPE_ERROR, Console.TYPE_INFO, Console.TYPE_PROGRESS,
-                Console.TYPE_WARNING, Console.TYPE_TRACE, Console.TYPE_STACKTRACE);
+            Console.TYPE_WARNING, Console.TYPE_TRACE, Console.TYPE_STACKTRACE);
         Console.CONSOLE.configure(Console.CONFIG_COLLECT_WARNINGS);
         logMessage();
         assertThat(errContent.toString().trim()).contains("debug: debug message.")
-                .contains("error: error message.").contains("info message.").contains("progress: progress message.")
-                .contains("warning: warn message.").contains("trace: trace message.")
-                .contains("exception message: Exception message.");
+            .contains("error: error message.").contains("info message.").contains("progress: progress message.")
+            .contains("warning: warn message.").contains("trace: trace message.")
+            .contains("exception message: Exception message.");
         reset();
 
         Console.CONSOLE.setAppName("ConsoleTest");
         Console.CONSOLE.configure(Console.CONFIG_COLLECT_ERRORS);
         logMessage();
         assertThat(errContent.toString().trim())
-                .contains("ConsoleTest: debug: debug message.").contains("ConsoleTest: error: error message.")
-                .contains("ConsoleTest: info message.").contains("ConsoleTest: progress: progress message.")
-                .contains("ConsoleTest: warning: warn message.").contains("ConsoleTest: trace: trace message.")
-                .contains("ConsoleTest:  exception message: Exception message.");
+            .contains("ConsoleTest: debug: debug message.").contains("ConsoleTest: error: error message.")
+            .contains("ConsoleTest: info message.").contains("ConsoleTest: progress: progress message.")
+            .contains("ConsoleTest: warning: warn message.").contains("ConsoleTest: trace: trace message.")
+            .contains("ConsoleTest:  exception message: Exception message.");
         reset();
 
         Console.CONSOLE.deActivate(Console.TYPE_DEBUG);
@@ -94,7 +93,7 @@ public class ConsoleTest {
         Console.CONSOLE.setAppName(null);
         Console.CONSOLE.stacktrace(new Exception("Exception message.", new Throwable("test stacktrace!")));
         assertThat(errContent.toString()).contains("exception message: Exception message.")
-                .contains("exception cause: java.lang.Throwable: test stacktrace!");
+            .contains("exception cause: java.lang.Throwable: test stacktrace!");
         reset();
     }
 
diff --git a/tools/tools-common/src/test/java/org/onap/policy/apex/tools/common/OutputFileTest.java b/tools/tools-common/src/test/java/org/onap/policy/apex/tools/common/OutputFileTest.java
index abc01b5e3..decbb4395 100644
--- a/tools/tools-common/src/test/java/org/onap/policy/apex/tools/common/OutputFileTest.java
+++ b/tools/tools-common/src/test/java/org/onap/policy/apex/tools/common/OutputFileTest.java
@@ -1,6 +1,6 @@
 /*-
  * ============LICENSE_START=======================================================
- *  Copyright (c) 2020 Nordix Foundation.
+ *  Copyright (c) 2020, 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.
@@ -20,32 +20,33 @@
 
 package org.onap.policy.apex.tools.common;
 
-import static org.junit.Assert.assertEquals;
-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.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import java.io.File;
 import java.nio.file.FileSystems;
 import java.nio.file.Path;
-import org.junit.After;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 
-public class OutputFileTest {
+class OutputFileTest {
 
     final String testFileName = "testing.txt";
     final Path fp = FileSystems.getDefault().getPath(testFileName);
     File file = fp.toFile();
 
-    @Before
-    public void beforeSetUp() {
+    @BeforeEach
+    void beforeSetUp() {
         if (file.exists()) {
-            file.delete();
+            assertTrue(file.delete());
         }
     }
 
     @Test
-    public void testToWriter() {
+    void testToWriter() {
         OutputFile testFile = new OutputFile(testFileName, false);
         testFile.validate();
         file.setReadable(false);
@@ -56,7 +57,7 @@ public class OutputFileTest {
     }
 
     @Test
-    public void testValidate() {
+    void testValidate() {
         OutputFile testFile = new OutputFile(testFileName, true);
         assertNull(testFile.validate());
         file.setReadable(false);
@@ -68,7 +69,7 @@ public class OutputFileTest {
     }
 
     @Test
-    public void testToOutputStream() {
+    void testToOutputStream() {
         OutputFile testFile = new OutputFile(testFileName, true);
         assertNotNull(testFile.toOutputStream());
         file.setReadable(false);
@@ -76,10 +77,10 @@ public class OutputFileTest {
         assertNull(testFile.toOutputStream());
     }
 
-    @After
-    public void testDown() {
+    @AfterEach
+    void testDown() {
         if (file.exists()) {
-            file.delete();
+            assertTrue(file.delete());
         }
     }
 }
diff --git a/tools/tools-common/src/test/java/org/onap/policy/apex/tools/common/docs/ExampleAppVersionTest.java b/tools/tools-common/src/test/java/org/onap/policy/apex/tools/common/docs/ExampleAppVersionTest.java
index 1dc8d53ef..f817dc152 100644
--- a/tools/tools-common/src/test/java/org/onap/policy/apex/tools/common/docs/ExampleAppVersionTest.java
+++ b/tools/tools-common/src/test/java/org/onap/policy/apex/tools/common/docs/ExampleAppVersionTest.java
@@ -1,7 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2020 Nordix Foundation
+ *  Modifications Copyright (C) 2020, 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.
@@ -21,7 +21,7 @@
 
 package org.onap.policy.apex.tools.common.docs;
 
-import static org.junit.Assert.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
 
 ////
 //// NOTE: This file contains tags for ASCIIDOC
@@ -30,7 +30,7 @@ import static org.junit.Assert.assertNotNull;
 ////// end::**
 ////
 import org.apache.commons.cli.CommandLine;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.apex.tools.common.CliOptions;
 import org.onap.policy.apex.tools.common.CliParser;
 import org.slf4j.ext.XLogger;
@@ -41,14 +41,16 @@ import org.slf4j.ext.XLoggerFactory;
  *
  * @author Sven van der Meer (sven.van.der.meer@ericsson.com)
  */
-public class ExampleAppVersionTest {
+class ExampleAppVersionTest {
 
     private static final XLogger LOGGER = XLoggerFactory.getXLogger(ExampleAppVersionTest.class);
 
-    /** Test example app version. */
+    /**
+     * Test example app version.
+     */
     @Test
-    public void testExampleAppVersion() {
-        final String[] args = new String[] { "-v" };
+    void testExampleAppVersion() {
+        final String[] args = new String[] {"-v"};
 
         // tag::setupParser[]
         final CliParser cli = new CliParser();
@@ -60,7 +62,7 @@ public class ExampleAppVersionTest {
         // tag::processCliVersion[]
         // version is an exit option, print version and exit
         if (cmd.hasOption('v') || cmd.hasOption("version")) {
-            LOGGER.info("myApp" + " " + cli.getAppVersion());
+            LOGGER.info("myApp {}", cli.getAppVersion());
             return;
         }
         // end::processCliVersion[]
diff --git a/tools/tools-common/src/test/java/org/onap/policy/apex/tools/common/docs/ExampleCliParserTest.java b/tools/tools-common/src/test/java/org/onap/policy/apex/tools/common/docs/ExampleCliParserTest.java
index c653cd0b2..0be41d685 100644
--- a/tools/tools-common/src/test/java/org/onap/policy/apex/tools/common/docs/ExampleCliParserTest.java
+++ b/tools/tools-common/src/test/java/org/onap/policy/apex/tools/common/docs/ExampleCliParserTest.java
@@ -1,7 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2020 Nordix Foundation
+ *  Modifications Copyright (C) 2020, 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.
@@ -21,7 +21,7 @@
 
 package org.onap.policy.apex.tools.common.docs;
 
-import static org.junit.Assert.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
 
 ////
 ////NOTE: This file contains tags for ASCIIDOC
@@ -33,7 +33,7 @@ import static org.junit.Assert.assertNotNull;
 ////
 import org.apache.commons.cli.CommandLine;
 import org.apache.commons.cli.HelpFormatter;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 //tag::import[]
 import org.onap.policy.apex.tools.common.CliOptions;
 import org.onap.policy.apex.tools.common.CliParser;
@@ -46,7 +46,7 @@ import org.slf4j.ext.XLoggerFactory;
  *
  * @author Sven van der Meer (sven.van.der.meer@ericsson.com)
  */
-public class ExampleCliParserTest {
+class ExampleCliParserTest {
 
     private static final XLogger LOGGER = XLoggerFactory.getXLogger(ExampleCliParserTest.class);
 
@@ -54,8 +54,8 @@ public class ExampleCliParserTest {
      * Test example parser.
      */
     @Test
-    public void testExampleParser() {
-        final String[] args = new String[] { "-h" };
+    void testExampleParser() {
+        final String[] args = new String[] {"-h"};
 
         // tag::setApp[]
         final String appName = "test-app";
@@ -79,7 +79,7 @@ public class ExampleCliParserTest {
         // help is an exit option, print usage and exit
         if (cmd.hasOption('h') || cmd.hasOption("help")) {
             final HelpFormatter formatter = new HelpFormatter();
-            LOGGER.info(appName + " v" + cli.getAppVersion() + " - " + appDescription);
+            LOGGER.info(appName + " v{} - " + appDescription, cli.getAppVersion());
             formatter.printHelp(appName, cli.getOptions());
             return;
         }
@@ -88,7 +88,7 @@ public class ExampleCliParserTest {
         // tag::processCliVersion[]
         // version is an exit option, print version and exit
         if (cmd.hasOption('v') || cmd.hasOption("version")) {
-            LOGGER.info(appName + " " + cli.getAppVersion());
+            LOGGER.info(appName + " {}", cli.getAppVersion());
             return;
         }
         // end::processCliVersion[]
@@ -106,7 +106,7 @@ public class ExampleCliParserTest {
 
         // tag::someStartPrint[]
         LOGGER.info(appName + ": starting");
-        LOGGER.info(" --> model file: " + modelFile);
+        LOGGER.info(" --> model file: {}", modelFile);
         // end::someStartPrint[]
 
         // tag::yourApp[]