Replace try/catch blocks with assertj - xacml-pdp

Replaced try/catch blocks in policy/xacml-pdp with assertj assertions

Issue-ID: POLICY-2451
Change-Id: I3e6947a61e0000561c7053a1cdede9ae5825e5ca
Signed-off-by: waynedunican <wayne.dunican@est.tech>

4 files changed, 37 insertions, 50 deletions

diff --git a/applications/common/src/test/java/org/onap/policy/pdp/xacml/application/common/matchable/MatchablePolicyTypeTest.java b/applications/common/src/test/java/org/onap/policy/pdp/xacml/application/common/matchable/MatchablePolicyTypeTest.java
index 9b489a67..508b96ea 100644
--- a/applications/common/src/test/java/org/onap/policy/pdp/xacml/application/common/matchable/MatchablePolicyTypeTest.java
+++ b/applications/common/src/test/java/org/onap/policy/pdp/xacml/application/common/matchable/MatchablePolicyTypeTest.java
@@ -3,6 +3,7 @@
  * ONAP
  * ================================================================================
  * Copyright (C) 2020 AT&T Intellectual Property. 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.
@@ -32,7 +33,6 @@ import com.att.research.xacml.api.XACML3;
 import com.att.research.xacml.std.IdentifierImpl;
 import com.att.research.xacml.util.XACMLPolicyWriter;
 import java.io.ByteArrayOutputStream;
-import java.io.IOException;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -230,12 +230,9 @@ public class MatchablePolicyTypeTest implements MatchableCallback {
         //
         // Dump it out so we can see what was created
         //
-        try (ByteArrayOutputStream os = new ByteArrayOutputStream()) {
-            XACMLPolicyWriter.writePolicyFile(os, policy);
-            LOGGER.info("{}", os);
-        } catch (IOException e) {
-            LOGGER.error("Failed to create byte array stream", e);
-        }
+        ByteArrayOutputStream os = new ByteArrayOutputStream();
+        XACMLPolicyWriter.writePolicyFile(os, policy);
+        LOGGER.info("{}", os);
         //
         // Sanity check - the example policy should have each possible match type plus
         // an extra one for the list and an extra one for the map.
diff --git a/applications/optimization/src/test/java/org/onap/policy/xacml/pdp/application/optimization/OptimizationPdpApplicationTest.java b/applications/optimization/src/test/java/org/onap/policy/xacml/pdp/application/optimization/OptimizationPdpApplicationTest.java
index 631a359c..862f75a6 100644
--- a/applications/optimization/src/test/java/org/onap/policy/xacml/pdp/application/optimization/OptimizationPdpApplicationTest.java
+++ b/applications/optimization/src/test/java/org/onap/policy/xacml/pdp/application/optimization/OptimizationPdpApplicationTest.java
@@ -3,7 +3,7 @@
  * ONAP
  * ================================================================================
  * Copyright (C) 2019-2020 AT&T Intellectual Property. 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.
@@ -468,17 +468,12 @@ public class OptimizationPdpApplicationTest {
         //
         // Serialize it into a class
         //
-        ToscaServiceTemplate serviceTemplate;
-        try {
-            serviceTemplate = yamlCoder.decode(policyYaml, ToscaServiceTemplate.class);
-        } catch (CoderException e) {
-            throw new XacmlApplicationException("Failed to decode policy from resource file", e);
-        }
+        JpaToscaServiceTemplate jtst = new JpaToscaServiceTemplate();
+        ToscaServiceTemplate serviceTemplate = yamlCoder.decode(policyYaml, ToscaServiceTemplate.class);
+        jtst.fromAuthorative(serviceTemplate);
         //
         // Make sure all the fields are setup properly
         //
-        JpaToscaServiceTemplate jtst = new JpaToscaServiceTemplate();
-        jtst.fromAuthorative(serviceTemplate);
         ToscaServiceTemplate completedJtst = jtst.toAuthorative();
         //
         // Get the policies
diff --git a/main/src/test/java/org/onap/policy/pdpx/main/parameters/TestXacmlPdpParameterHandler.java b/main/src/test/java/org/onap/policy/pdpx/main/parameters/TestXacmlPdpParameterHandler.java
index a59fee32..52dbff4a 100644
--- a/main/src/test/java/org/onap/policy/pdpx/main/parameters/TestXacmlPdpParameterHandler.java
+++ b/main/src/test/java/org/onap/policy/pdpx/main/parameters/TestXacmlPdpParameterHandler.java
@@ -1,6 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  * Copyright (C) 2019 AT&T Intellectual Property. 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.
@@ -20,6 +21,7 @@
 
 package org.onap.policy.pdpx.main.parameters;
 
+import static org.assertj.core.api.Assertions.assertThatCode;
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
@@ -185,13 +187,12 @@ public class TestXacmlPdpParameterHandler {
     }
 
     @Test
-    public void testXacmlPdpInvalidOption() throws PolicyXacmlPdpException {
+    public void testXacmlPdpInvalidOption() {
         final String[] xacmlPdpConfigParameters = {"-d"};
         final XacmlPdpCommandLineArguments arguments = new XacmlPdpCommandLineArguments();
-        try {
-            arguments.parse(xacmlPdpConfigParameters);
-        } catch (final Exception exp) {
-            assertTrue(exp.getMessage().startsWith("invalid command line arguments specified"));
-        }
+        assertThatThrownBy(() ->
+            arguments.parse(xacmlPdpConfigParameters)
+        ).isInstanceOf(PolicyXacmlPdpException.class)
+        .hasMessageContaining("invalid command line arguments specified");
     }
 }
diff --git a/main/src/test/java/org/onap/policy/pdpx/main/rest/TestAbbreviateDecisionResults.java b/main/src/test/java/org/onap/policy/pdpx/main/rest/TestAbbreviateDecisionResults.java
index 6d2a6fa9..c9910349 100644
--- a/main/src/test/java/org/onap/policy/pdpx/main/rest/TestAbbreviateDecisionResults.java
+++ b/main/src/test/java/org/onap/policy/pdpx/main/rest/TestAbbreviateDecisionResults.java
@@ -1,6 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  * Copyright (C) 2019-2020 AT&T Intellectual Property. 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.
@@ -24,7 +25,6 @@ import static org.assertj.core.api.Assertions.assertThat;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
-import static org.junit.Assert.fail;
 
 import java.io.File;
 import java.io.IOException;
@@ -158,39 +158,33 @@ public class TestAbbreviateDecisionResults {
      * should have been removed from the response.
      */
     @Test
-    public void testAbbreviateDecisionResult() {
+    public void testAbbreviateDecisionResult() throws HttpClientConfigException {
 
         LOGGER.info("Running testAbbreviateDecisionResult");
 
-        try {
-            // Create DecisionRequest
-            DecisionRequest request = new DecisionRequest();
-            request.setOnapName("DCAE");
-            request.setOnapComponent("PolicyHandler");
-            request.setOnapInstance("622431a4-9dea-4eae-b443-3b2164639c64");
-            request.setAction("configure");
-            Map<String, Object> resource = new HashMap<String, Object>();
-            resource.put("policy-id", "onap.scaleout.tca");
-            request.setResource(resource);
-
-            // Query decision API
-            DecisionResponse response = getDecision(request);
-            LOGGER.info("Decision Response {}", response);
+        // Create DecisionRequest
+        DecisionRequest request = new DecisionRequest();
+        request.setOnapName("DCAE");
+        request.setOnapComponent("PolicyHandler");
+        request.setOnapInstance("622431a4-9dea-4eae-b443-3b2164639c64");
+        request.setAction("configure");
+        Map<String, Object> resource = new HashMap<String, Object>();
+        resource.put("policy-id", "onap.scaleout.tca");
+        request.setResource(resource);
 
-            assertFalse(response.getPolicies().isEmpty());
+        // Query decision API
+        DecisionResponse response = getDecision(request);
+        LOGGER.info("Decision Response {}", response);
 
-            @SuppressWarnings("unchecked")
-            Map<String, Object> policy = (Map<String, Object>) response.getPolicies().get("onap.scaleout.tca");
-            assertTrue(policy.containsKey("type"));
-            assertFalse(policy.containsKey("properties"));
-            assertFalse(policy.containsKey("name"));
-            assertFalse(policy.containsKey("version"));
-            assertTrue(policy.containsKey("metadata"));
+        assertFalse(response.getPolicies().isEmpty());
 
-        } catch (Exception e) {
-            LOGGER.error("Exception {}", e);
-            fail("testAbbreviateDecisionResult failed due to: " + e.getLocalizedMessage());
-        }
+        @SuppressWarnings("unchecked")
+        Map<String, Object> policy = (Map<String, Object>) response.getPolicies().get("onap.scaleout.tca");
+        assertTrue(policy.containsKey("type"));
+        assertFalse(policy.containsKey("properties"));
+        assertFalse(policy.containsKey("name"));
+        assertFalse(policy.containsKey("version"));
+        assertTrue(policy.containsKey("metadata"));
     }
 
     private static Main startXacmlPdpService(File params) throws PolicyXacmlPdpException {