Parameter Service Interface Changes

Changes to distribution due to changes to parameter
services, mainly addition of setName() to parameter service
interface and correct handling of empty parameters

Change-Id: I9523da6461874241d220f0feac61419ef6ebbb9d
Issue-ID: POLICY-1035
Signed-off-by: liamfallon <liam.fallon@ericsson.com>

6 files changed, 145 insertions, 143 deletions

diff --git a/main/src/main/java/org/onap/policy/distribution/main/parameters/DistributionParameterGroup.java b/main/src/main/java/org/onap/policy/distribution/main/parameters/DistributionParameterGroup.java
index dc114c1d..a188fb04 100644
--- a/main/src/main/java/org/onap/policy/distribution/main/parameters/DistributionParameterGroup.java
+++ b/main/src/main/java/org/onap/policy/distribution/main/parameters/DistributionParameterGroup.java
@@ -62,6 +62,16 @@ public class DistributionParameterGroup implements ParameterGroup {
     }
 
     /**
+     * Set the name of this parameter group instance.
+     *
+     * @param name the parameter group name
+     */
+    @Override
+    public void setName(final String name) {
+        this.name = name;
+    }
+
+    /**
      * Return the receptionHandlerParameters of this parameter group instance.
      *
      * @return the receptionHandlerParameters
diff --git a/main/src/test/java/org/onap/policy/distribution/main/parameters/TestDistributionParameterGroup.java b/main/src/test/java/org/onap/policy/distribution/main/parameters/TestDistributionParameterGroup.java
index 6d5135ee..a2d72585 100644
--- a/main/src/test/java/org/onap/policy/distribution/main/parameters/TestDistributionParameterGroup.java
+++ b/main/src/test/java/org/onap/policy/distribution/main/parameters/TestDistributionParameterGroup.java
@@ -42,97 +42,98 @@ public class TestDistributionParameterGroup {
     @Test
     public void testDistributionParameterGroup() {
         final RestServerParameters restServerParameters = commonTestData.getRestServerParameters(false);
-        final Map<String, ReceptionHandlerParameters> receptionHandlerParameters =
-                commonTestData.getReceptionHandlerParameters(false);
+        final Map<String, ReceptionHandlerParameters> receptionHandlerParameters = commonTestData
+                        .getReceptionHandlerParameters(false);
 
         final DistributionParameterGroup distributionParameters = new DistributionParameterGroup(
-                CommonTestData.DISTRIBUTION_GROUP_NAME, restServerParameters, receptionHandlerParameters);
+                        CommonTestData.DISTRIBUTION_GROUP_NAME, restServerParameters, receptionHandlerParameters);
         final GroupValidationResult validationResult = distributionParameters.validate();
         assertTrue(validationResult.isValid());
         assertEquals(restServerParameters.getHost(), distributionParameters.getRestServerParameters().getHost());
         assertEquals(restServerParameters.getPort(), distributionParameters.getRestServerParameters().getPort());
         assertEquals(restServerParameters.getUserName(),
-                distributionParameters.getRestServerParameters().getUserName());
+                        distributionParameters.getRestServerParameters().getUserName());
         assertEquals(restServerParameters.getPassword(),
-                distributionParameters.getRestServerParameters().getPassword());
+                        distributionParameters.getRestServerParameters().getPassword());
         assertEquals(CommonTestData.DISTRIBUTION_GROUP_NAME, distributionParameters.getName());
-        assertEquals(
-                receptionHandlerParameters.get(CommonTestData.DUMMY_RECEPTION_HANDLER_KEY).getReceptionHandlerType(),
-                distributionParameters.getReceptionHandlerParameters().get(CommonTestData.DUMMY_RECEPTION_HANDLER_KEY)
-                        .getReceptionHandlerType());
-        assertEquals(
-                receptionHandlerParameters.get(CommonTestData.DUMMY_RECEPTION_HANDLER_KEY)
+        assertEquals(receptionHandlerParameters.get(CommonTestData.DUMMY_RECEPTION_HANDLER_KEY)
+                        .getReceptionHandlerType(),
+                        distributionParameters.getReceptionHandlerParameters()
+                                        .get(CommonTestData.DUMMY_RECEPTION_HANDLER_KEY).getReceptionHandlerType());
+        assertEquals(receptionHandlerParameters.get(CommonTestData.DUMMY_RECEPTION_HANDLER_KEY)
                         .getReceptionHandlerClassName(),
-                distributionParameters.getReceptionHandlerParameters().get(CommonTestData.DUMMY_RECEPTION_HANDLER_KEY)
-                        .getReceptionHandlerClassName());
-        assertEquals(
-                receptionHandlerParameters.get(CommonTestData.DUMMY_RECEPTION_HANDLER_KEY).getPluginHandlerParameters(),
-                distributionParameters.getReceptionHandlerParameters().get(CommonTestData.DUMMY_RECEPTION_HANDLER_KEY)
-                        .getPluginHandlerParameters());
+                        distributionParameters.getReceptionHandlerParameters()
+                                        .get(CommonTestData.DUMMY_RECEPTION_HANDLER_KEY)
+                                        .getReceptionHandlerClassName());
+        assertEquals(receptionHandlerParameters.get(CommonTestData.DUMMY_RECEPTION_HANDLER_KEY)
+                        .getPluginHandlerParameters(),
+                        distributionParameters.getReceptionHandlerParameters()
+                                        .get(CommonTestData.DUMMY_RECEPTION_HANDLER_KEY).getPluginHandlerParameters());
     }
 
     @Test
     public void testDistributionParameterGroup_NullName() {
         final RestServerParameters restServerParameters = commonTestData.getRestServerParameters(false);
-        final Map<String, ReceptionHandlerParameters> receptionHandlerParameters =
-                commonTestData.getReceptionHandlerParameters(false);
+        final Map<String, ReceptionHandlerParameters> receptionHandlerParameters = commonTestData
+                        .getReceptionHandlerParameters(false);
 
-        final DistributionParameterGroup distributionParameters =
-                new DistributionParameterGroup(null, restServerParameters, receptionHandlerParameters);
+        final DistributionParameterGroup distributionParameters = new DistributionParameterGroup(null,
+                        restServerParameters, receptionHandlerParameters);
         final GroupValidationResult validationResult = distributionParameters.validate();
         assertFalse(validationResult.isValid());
         assertEquals(null, distributionParameters.getName());
-        assertEquals(
-                receptionHandlerParameters.get(CommonTestData.DUMMY_RECEPTION_HANDLER_KEY).getReceptionHandlerType(),
-                distributionParameters.getReceptionHandlerParameters().get(CommonTestData.DUMMY_RECEPTION_HANDLER_KEY)
-                        .getReceptionHandlerType());
-        assertEquals(
-                receptionHandlerParameters.get(CommonTestData.DUMMY_RECEPTION_HANDLER_KEY)
+        assertEquals(receptionHandlerParameters.get(CommonTestData.DUMMY_RECEPTION_HANDLER_KEY)
+                        .getReceptionHandlerType(),
+                        distributionParameters.getReceptionHandlerParameters()
+                                        .get(CommonTestData.DUMMY_RECEPTION_HANDLER_KEY).getReceptionHandlerType());
+        assertEquals(receptionHandlerParameters.get(CommonTestData.DUMMY_RECEPTION_HANDLER_KEY)
                         .getReceptionHandlerClassName(),
-                distributionParameters.getReceptionHandlerParameters().get(CommonTestData.DUMMY_RECEPTION_HANDLER_KEY)
-                        .getReceptionHandlerClassName());
-        assertEquals(
-                receptionHandlerParameters.get(CommonTestData.DUMMY_RECEPTION_HANDLER_KEY).getPluginHandlerParameters(),
-                distributionParameters.getReceptionHandlerParameters().get(CommonTestData.DUMMY_RECEPTION_HANDLER_KEY)
-                        .getPluginHandlerParameters());
-        assertTrue(validationResult.getResult().contains(
-                "field \"name\" type \"java.lang.String\" value \"null\" INVALID, " + "must be a non-blank string"));
+                        distributionParameters.getReceptionHandlerParameters()
+                                        .get(CommonTestData.DUMMY_RECEPTION_HANDLER_KEY)
+                                        .getReceptionHandlerClassName());
+        assertEquals(receptionHandlerParameters.get(CommonTestData.DUMMY_RECEPTION_HANDLER_KEY)
+                        .getPluginHandlerParameters(),
+                        distributionParameters.getReceptionHandlerParameters()
+                                        .get(CommonTestData.DUMMY_RECEPTION_HANDLER_KEY).getPluginHandlerParameters());
+        assertTrue(validationResult.getResult()
+                        .contains("field \"name\" type \"java.lang.String\" value \"null\" INVALID, "
+                                        + "must be a non-blank string"));
     }
 
     @Test
     public void testDistributionParameterGroup_EmptyName() {
         final RestServerParameters restServerParameters = commonTestData.getRestServerParameters(false);
-        final Map<String, ReceptionHandlerParameters> receptionHandlerParameters =
-                commonTestData.getReceptionHandlerParameters(false);
+        final Map<String, ReceptionHandlerParameters> receptionHandlerParameters = commonTestData
+                        .getReceptionHandlerParameters(false);
 
-        final DistributionParameterGroup distributionParameters =
-                new DistributionParameterGroup("", restServerParameters, receptionHandlerParameters);
+        final DistributionParameterGroup distributionParameters = new DistributionParameterGroup("",
+                        restServerParameters, receptionHandlerParameters);
         final GroupValidationResult validationResult = distributionParameters.validate();
         assertFalse(validationResult.isValid());
         assertEquals("", distributionParameters.getName());
-        assertEquals(
-                receptionHandlerParameters.get(CommonTestData.DUMMY_RECEPTION_HANDLER_KEY).getReceptionHandlerType(),
-                distributionParameters.getReceptionHandlerParameters().get(CommonTestData.DUMMY_RECEPTION_HANDLER_KEY)
-                        .getReceptionHandlerType());
-        assertEquals(
-                receptionHandlerParameters.get(CommonTestData.DUMMY_RECEPTION_HANDLER_KEY)
+        assertEquals(receptionHandlerParameters.get(CommonTestData.DUMMY_RECEPTION_HANDLER_KEY)
+                        .getReceptionHandlerType(),
+                        distributionParameters.getReceptionHandlerParameters()
+                                        .get(CommonTestData.DUMMY_RECEPTION_HANDLER_KEY).getReceptionHandlerType());
+        assertEquals(receptionHandlerParameters.get(CommonTestData.DUMMY_RECEPTION_HANDLER_KEY)
                         .getReceptionHandlerClassName(),
-                distributionParameters.getReceptionHandlerParameters().get(CommonTestData.DUMMY_RECEPTION_HANDLER_KEY)
-                        .getReceptionHandlerClassName());
-        assertEquals(
-                receptionHandlerParameters.get(CommonTestData.DUMMY_RECEPTION_HANDLER_KEY).getPluginHandlerParameters(),
-                distributionParameters.getReceptionHandlerParameters().get(CommonTestData.DUMMY_RECEPTION_HANDLER_KEY)
-                        .getPluginHandlerParameters());
-        assertTrue(validationResult.getResult().contains(
-                "field \"name\" type \"java.lang.String\" value \"\" INVALID, " + "must be a non-blank string"));
+                        distributionParameters.getReceptionHandlerParameters()
+                                        .get(CommonTestData.DUMMY_RECEPTION_HANDLER_KEY)
+                                        .getReceptionHandlerClassName());
+        assertEquals(receptionHandlerParameters.get(CommonTestData.DUMMY_RECEPTION_HANDLER_KEY)
+                        .getPluginHandlerParameters(),
+                        distributionParameters.getReceptionHandlerParameters()
+                                        .get(CommonTestData.DUMMY_RECEPTION_HANDLER_KEY).getPluginHandlerParameters());
+        assertTrue(validationResult.getResult().contains("field \"name\" type \"java.lang.String\" value \"\" INVALID, "
+                        + "must be a non-blank string"));
     }
 
     @Test
     public void testDistributionParameterGroup_NullReceptionHandlerParameters() {
         final RestServerParameters restServerParameters = commonTestData.getRestServerParameters(false);
         try {
-            final DistributionParameterGroup distributionParameters =
-                    new DistributionParameterGroup(CommonTestData.DISTRIBUTION_GROUP_NAME, restServerParameters, null);
+            final DistributionParameterGroup distributionParameters = new DistributionParameterGroup(
+                            CommonTestData.DISTRIBUTION_GROUP_NAME, restServerParameters, null);
             distributionParameters.validate();
             fail("test should throw an exception here");
         } catch (final Exception e) {
@@ -144,31 +145,29 @@ public class TestDistributionParameterGroup {
     @Test
     public void testDistributionParameterGroup_EmptyReceptionHandlerParameters() {
         final RestServerParameters restServerParameters = commonTestData.getRestServerParameters(false);
-        final Map<String, ReceptionHandlerParameters> receptionHandlerParameters =
-                commonTestData.getReceptionHandlerParameters(true);
-        try {
-            final DistributionParameterGroup distributionParameters = new DistributionParameterGroup(
-                    CommonTestData.DISTRIBUTION_GROUP_NAME, restServerParameters, receptionHandlerParameters);
-            distributionParameters.validate();
-            fail("test should throw an exception here");
-        } catch (final Exception e) {
-            assertTrue(e.getMessage().contains("parameter not a regular parameter: receptionHandlerParameters"));
-        }
+        final Map<String, ReceptionHandlerParameters> receptionHandlerParameters = commonTestData
+                        .getReceptionHandlerParameters(true);
 
+        final DistributionParameterGroup distributionParameters = new DistributionParameterGroup(
+                        CommonTestData.DISTRIBUTION_GROUP_NAME, restServerParameters, receptionHandlerParameters);
+        distributionParameters.validate();
+        GroupValidationResult result = distributionParameters.validate();
+        assertFalse(result.isValid());
+        assertTrue(result.getResult().endsWith("must have at least one reception handler\n"));
     }
 
     @Test
     public void testDistributionParameterGroup_EmptyRestServerParameters() {
         final RestServerParameters restServerParameters = commonTestData.getRestServerParameters(true);
-        final Map<String, ReceptionHandlerParameters> receptionHandlerParameters =
-                commonTestData.getReceptionHandlerParameters(false);
+        final Map<String, ReceptionHandlerParameters> receptionHandlerParameters = commonTestData
+                        .getReceptionHandlerParameters(false);
 
         final DistributionParameterGroup distributionParameters = new DistributionParameterGroup(
-                CommonTestData.DISTRIBUTION_GROUP_NAME, restServerParameters, receptionHandlerParameters);
+                        CommonTestData.DISTRIBUTION_GROUP_NAME, restServerParameters, receptionHandlerParameters);
         final GroupValidationResult validationResult = distributionParameters.validate();
         assertFalse(validationResult.isValid());
         assertTrue(validationResult.getResult()
-                .contains("\"org.onap.policy.distribution.main.parameters.RestServerParameters\" INVALID, "
-                        + "parameter group has status INVALID"));
+                        .contains("\"org.onap.policy.distribution.main.parameters.RestServerParameters\" INVALID, "
+                                        + "parameter group has status INVALID"));
     }
 }
diff --git a/main/src/test/java/org/onap/policy/distribution/main/parameters/TestDistributionParameterHandler.java b/main/src/test/java/org/onap/policy/distribution/main/parameters/TestDistributionParameterHandler.java
index 25f24211..8b474984 100644
--- a/main/src/test/java/org/onap/policy/distribution/main/parameters/TestDistributionParameterHandler.java
+++ b/main/src/test/java/org/onap/policy/distribution/main/parameters/TestDistributionParameterHandler.java
@@ -202,7 +202,7 @@ public class TestDistributionParameterHandler {
             new DistributionParameterHandler().getParameters(arguments);
             fail("test should throw an exception here");
         } catch (final Exception e) {
-            assertTrue(e.getMessage().contains("parameter not a regular parameter: receptionHandlerParameters"));
+            assertTrue(e.getMessage().contains("must have at least one reception handler\n"));
         }
     }
 
@@ -250,7 +250,7 @@ public class TestDistributionParameterHandler {
             new DistributionParameterHandler().getParameters(arguments);
             fail("test should throw an exception here");
         } catch (final Exception e) {
-            assertTrue(e.getMessage().contains("parameter not a regular parameter: policyDecoders"));
+            assertTrue(e.getMessage().contains("must have at least one policy decoder\n"));
         }
     }
 
@@ -266,7 +266,7 @@ public class TestDistributionParameterHandler {
             new DistributionParameterHandler().getParameters(arguments);
             fail("test should throw an exception here");
         } catch (final Exception e) {
-            assertTrue(e.getMessage().contains("parameter not a regular parameter: policyForwarders"));
+            assertTrue(e.getMessage().endsWith("must have at least one policy forwarder\n"));
         }
     }
 
diff --git a/main/src/test/java/org/onap/policy/distribution/main/parameters/TestPluginHandlerParameters.java b/main/src/test/java/org/onap/policy/distribution/main/parameters/TestPluginHandlerParameters.java
index 5e94dc90..552ee50c 100644
--- a/main/src/test/java/org/onap/policy/distribution/main/parameters/TestPluginHandlerParameters.java
+++ b/main/src/test/java/org/onap/policy/distribution/main/parameters/TestPluginHandlerParameters.java
@@ -21,6 +21,7 @@
 package org.onap.policy.distribution.main.parameters;
 
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 
@@ -47,9 +48,9 @@ public class TestPluginHandlerParameters {
         final PluginHandlerParameters pHParameters = new PluginHandlerParameters(policyDecoders, policyForwarders);
         final GroupValidationResult validationResult = pHParameters.validate();
         assertEquals(policyDecoders.get(CommonTestData.DUMMY_DECODER_KEY),
-                pHParameters.getPolicyDecoders().get(CommonTestData.DUMMY_DECODER_KEY));
+                        pHParameters.getPolicyDecoders().get(CommonTestData.DUMMY_DECODER_KEY));
         assertEquals(policyForwarders.get(CommonTestData.DUMMY_ENGINE_FORWARDER_KEY),
-                pHParameters.getPolicyForwarders().get(CommonTestData.DUMMY_ENGINE_FORWARDER_KEY));
+                        pHParameters.getPolicyForwarders().get(CommonTestData.DUMMY_ENGINE_FORWARDER_KEY));
         assertTrue(validationResult.isValid());
     }
 
@@ -79,27 +80,21 @@ public class TestPluginHandlerParameters {
 
     @Test
     public void testPluginHandlerParameters_EmptyPolicyDecoders() {
-        try {
-            final Map<String, PolicyDecoderParameters> policyDecoders = commonTestData.getPolicyDecoders(true);
-            final Map<String, PolicyForwarderParameters> policyForwarders = commonTestData.getPolicyForwarders(false);
-            final PluginHandlerParameters pHParameters = new PluginHandlerParameters(policyDecoders, policyForwarders);
-            pHParameters.validate();
-            fail("test should throw an exception here");
-        } catch (final Exception e) {
-            assertTrue(e.getMessage().contains("parameter not a regular parameter: policyDecoders"));
-        }
+        final Map<String, PolicyDecoderParameters> policyDecoders = commonTestData.getPolicyDecoders(true);
+        final Map<String, PolicyForwarderParameters> policyForwarders = commonTestData.getPolicyForwarders(false);
+        final PluginHandlerParameters pHParameters = new PluginHandlerParameters(policyDecoders, policyForwarders);
+        GroupValidationResult result = pHParameters.validate();
+        assertFalse(result.isValid());
+        assertTrue(result.getResult().endsWith("must have at least one policy decoder\n"));
     }
 
     @Test
     public void testPluginHandlerParameters_EmptyPolicyForwarders() {
-        try {
-            final Map<String, PolicyForwarderParameters> policyForwarders = commonTestData.getPolicyForwarders(true);
-            final Map<String, PolicyDecoderParameters> policyDecoders = commonTestData.getPolicyDecoders(false);
-            final PluginHandlerParameters pHParameters = new PluginHandlerParameters(policyDecoders, policyForwarders);
-            pHParameters.validate();
-            fail("test should throw an exception here");
-        } catch (final Exception e) {
-            assertTrue(e.getMessage().contains("parameter not a regular parameter: policyForwarders"));
-        }
+        final Map<String, PolicyForwarderParameters> policyForwarders = commonTestData.getPolicyForwarders(true);
+        final Map<String, PolicyDecoderParameters> policyDecoders = commonTestData.getPolicyDecoders(false);
+        final PluginHandlerParameters pHParameters = new PluginHandlerParameters(policyDecoders, policyForwarders);
+        GroupValidationResult result = pHParameters.validate();
+        assertFalse(result.isValid());
+        assertTrue(result.getResult().endsWith("must have at least one policy forwarder\n"));
     }
 }
diff --git a/main/src/test/java/org/onap/policy/distribution/main/parameters/TestReceptionHandlerParameters.java b/main/src/test/java/org/onap/policy/distribution/main/parameters/TestReceptionHandlerParameters.java
index 960629e4..ab86cb65 100644
--- a/main/src/test/java/org/onap/policy/distribution/main/parameters/TestReceptionHandlerParameters.java
+++ b/main/src/test/java/org/onap/policy/distribution/main/parameters/TestReceptionHandlerParameters.java
@@ -23,7 +23,6 @@ package org.onap.policy.distribution.main.parameters;
 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 org.junit.Test;
 import org.onap.policy.common.parameters.GroupValidationResult;
@@ -42,11 +41,11 @@ public class TestReceptionHandlerParameters {
     @Test
     public void testReceptionHandlerParameters() {
         final PluginHandlerParameters pHParameters = commonTestData.getPluginHandlerParameters(false);
-        final PssdConfigurationParametersGroup pssdConfiguration =
-                commonTestData.getPssdConfigurationParametersGroup(false);
-        final ReceptionHandlerParameters rHParameters =
-                new ReceptionHandlerParameters(CommonTestData.RECEPTION_HANDLER_TYPE,
-                        CommonTestData.RECEPTION_HANDLER_CLASS_NAME, pssdConfiguration, pHParameters);
+        final PssdConfigurationParametersGroup pssdConfiguration = commonTestData
+                        .getPssdConfigurationParametersGroup(false);
+        final ReceptionHandlerParameters rHParameters = new ReceptionHandlerParameters(
+                        CommonTestData.RECEPTION_HANDLER_TYPE, CommonTestData.RECEPTION_HANDLER_CLASS_NAME,
+                        pssdConfiguration, pHParameters);
         final GroupValidationResult validationResult = rHParameters.validate();
         assertEquals(CommonTestData.RECEPTION_HANDLER_TYPE, rHParameters.getReceptionHandlerType());
         assertEquals(CommonTestData.RECEPTION_HANDLER_CLASS_NAME, rHParameters.getReceptionHandlerClassName());
@@ -58,10 +57,10 @@ public class TestReceptionHandlerParameters {
     @Test
     public void testReceptionHandlerParameters_NullReceptionHandlerType() {
         final PluginHandlerParameters pHParameters = commonTestData.getPluginHandlerParameters(false);
-        final PssdConfigurationParametersGroup pssdConfiguration =
-                commonTestData.getPssdConfigurationParametersGroup(false);
+        final PssdConfigurationParametersGroup pssdConfiguration = commonTestData
+                        .getPssdConfigurationParametersGroup(false);
         final ReceptionHandlerParameters rHParameters = new ReceptionHandlerParameters(null,
-                CommonTestData.RECEPTION_HANDLER_CLASS_NAME, pssdConfiguration, pHParameters);
+                        CommonTestData.RECEPTION_HANDLER_CLASS_NAME, pssdConfiguration, pHParameters);
         final GroupValidationResult validationResult = rHParameters.validate();
         assertEquals(null, rHParameters.getReceptionHandlerType());
         assertEquals(CommonTestData.RECEPTION_HANDLER_CLASS_NAME, rHParameters.getReceptionHandlerClassName());
@@ -69,52 +68,53 @@ public class TestReceptionHandlerParameters {
         assertEquals(pHParameters, rHParameters.getPluginHandlerParameters());
         assertFalse(validationResult.isValid());
         assertTrue(validationResult.getResult()
-                .contains("field \"receptionHandlerType\" type \"java.lang.String\" value \"null\" INVALID, "
-                        + "must be a non-blank string"));
+                        .contains("field \"receptionHandlerType\" type \"java.lang.String\" value \"null\" INVALID, "
+                                        + "must be a non-blank string"));
     }
 
     @Test
     public void testReceptionHandlerParameters_NullReceptionHandlerClassName() {
         final PluginHandlerParameters pHParameters = commonTestData.getPluginHandlerParameters(false);
-        final PssdConfigurationParametersGroup pssdConfiguration =
-                commonTestData.getPssdConfigurationParametersGroup(false);
+        final PssdConfigurationParametersGroup pssdConfiguration = commonTestData
+                        .getPssdConfigurationParametersGroup(false);
         final ReceptionHandlerParameters rHParameters = new ReceptionHandlerParameters(
-                CommonTestData.RECEPTION_HANDLER_TYPE, null, pssdConfiguration, pHParameters);
+                        CommonTestData.RECEPTION_HANDLER_TYPE, null, pssdConfiguration, pHParameters);
         final GroupValidationResult validationResult = rHParameters.validate();
         assertEquals(CommonTestData.RECEPTION_HANDLER_TYPE, rHParameters.getReceptionHandlerType());
         assertEquals(null, rHParameters.getReceptionHandlerClassName());
         assertEquals(pssdConfiguration, rHParameters.getPssdConfigurationParametersGroup());
         assertEquals(pHParameters, rHParameters.getPluginHandlerParameters());
         assertFalse(validationResult.isValid());
-        assertTrue(validationResult.getResult()
-                .contains("field \"receptionHandlerClassName\" type \"java.lang.String\" value \"null\" INVALID, "
-                        + "must be a non-blank string containing full class name of the reception handler"));
+        assertTrue(validationResult.getResult().contains(
+                        "field \"receptionHandlerClassName\" type \"java.lang.String\" value \"null\" INVALID, "
+                                        + "must be a non-blank string containing full class name "
+                                        + "of the reception handler"));
     }
 
     @Test
     public void testReceptionHandlerParameters_EmptyReceptionHandlerType() {
         final PluginHandlerParameters pHParameters = commonTestData.getPluginHandlerParameters(false);
-        final PssdConfigurationParametersGroup pssdConfiguration =
-                commonTestData.getPssdConfigurationParametersGroup(false);
+        final PssdConfigurationParametersGroup pssdConfiguration = commonTestData
+                        .getPssdConfigurationParametersGroup(false);
         final ReceptionHandlerParameters rHParameters = new ReceptionHandlerParameters("",
-                CommonTestData.RECEPTION_HANDLER_CLASS_NAME, pssdConfiguration, pHParameters);
+                        CommonTestData.RECEPTION_HANDLER_CLASS_NAME, pssdConfiguration, pHParameters);
         final GroupValidationResult validationResult = rHParameters.validate();
         assertEquals("", rHParameters.getReceptionHandlerType());
         assertEquals(CommonTestData.RECEPTION_HANDLER_CLASS_NAME, rHParameters.getReceptionHandlerClassName());
         assertEquals(pHParameters, rHParameters.getPluginHandlerParameters());
         assertFalse(validationResult.isValid());
         assertTrue(validationResult.getResult()
-                .contains("field \"receptionHandlerType\" type \"java.lang.String\" value \"\" INVALID, "
-                        + "must be a non-blank string"));
+                        .contains("field \"receptionHandlerType\" type \"java.lang.String\" value \"\" INVALID, "
+                                        + "must be a non-blank string"));
     }
 
     @Test
     public void testReceptionHandlerParameters_EmptyReceptionHandlerClassName() {
         final PluginHandlerParameters pHParameters = commonTestData.getPluginHandlerParameters(false);
-        final PssdConfigurationParametersGroup pssdConfiguration =
-                commonTestData.getPssdConfigurationParametersGroup(false);
+        final PssdConfigurationParametersGroup pssdConfiguration = commonTestData
+                        .getPssdConfigurationParametersGroup(false);
         final ReceptionHandlerParameters rHParameters = new ReceptionHandlerParameters(
-                CommonTestData.RECEPTION_HANDLER_TYPE, "", pssdConfiguration, pHParameters);
+                        CommonTestData.RECEPTION_HANDLER_TYPE, "", pssdConfiguration, pHParameters);
         final GroupValidationResult validationResult = rHParameters.validate();
         assertEquals(CommonTestData.RECEPTION_HANDLER_TYPE, rHParameters.getReceptionHandlerType());
         assertEquals("", rHParameters.getReceptionHandlerClassName());
@@ -122,38 +122,36 @@ public class TestReceptionHandlerParameters {
         assertEquals(pHParameters, rHParameters.getPluginHandlerParameters());
         assertFalse(validationResult.isValid());
         assertTrue(validationResult.getResult()
-                .contains("field \"receptionHandlerClassName\" type \"java.lang.String\" value \"\" INVALID, "
-                        + "must be a non-blank string containing full class name of the reception handler"));
+                        .contains("field \"receptionHandlerClassName\" type \"java.lang.String\" value \"\" INVALID, "
+                                        + "must be a non-blank string containing full class name "
+                                        + "of the reception handler"));
     }
 
     @Test
     public void testReceptionHandlerParameters_EmptyPluginHandler() {
-        try {
-            final PluginHandlerParameters pHParameters = commonTestData.getPluginHandlerParameters(true);
-            final PssdConfigurationParametersGroup pssdConfiguration =
-                    commonTestData.getPssdConfigurationParametersGroup(false);
-            final ReceptionHandlerParameters rHParameters =
-                    new ReceptionHandlerParameters(CommonTestData.RECEPTION_HANDLER_TYPE,
-                            CommonTestData.RECEPTION_HANDLER_CLASS_NAME, pssdConfiguration, pHParameters);
-            rHParameters.validate();
-            fail("test should throw an exception here");
-        } catch (final Exception e) {
-            assertTrue(e.getMessage().contains("parameter not a regular parameter: policyDecoders"));
-        }
+        final PluginHandlerParameters pHParameters = commonTestData.getPluginHandlerParameters(true);
+        final PssdConfigurationParametersGroup pssdConfiguration = commonTestData
+                        .getPssdConfigurationParametersGroup(false);
+        final ReceptionHandlerParameters rHParameters = new ReceptionHandlerParameters(
+                        CommonTestData.RECEPTION_HANDLER_TYPE, CommonTestData.RECEPTION_HANDLER_CLASS_NAME,
+                        pssdConfiguration, pHParameters);
+        GroupValidationResult result = rHParameters.validate();
+        assertFalse(result.isValid());
+        assertTrue(result.getResult().endsWith("must have at least one policy forwarder\n"));
     }
 
     @Test
     public void testReceptionHandlerParameters_InvalidReceptionHandlerClass() {
         final PluginHandlerParameters pHParameters = commonTestData.getPluginHandlerParameters(false);
-        final PssdConfigurationParametersGroup pssdConfiguration =
-                commonTestData.getPssdConfigurationParametersGroup(false);
-        final ReceptionHandlerParameters rHParameters =
-                new ReceptionHandlerParameters(CommonTestData.RECEPTION_HANDLER_TYPE,
-                        CommonTestData.RECEPTION_HANDLER_CLASS_NAME + "Invalid", pssdConfiguration, pHParameters);
+        final PssdConfigurationParametersGroup pssdConfiguration = commonTestData
+                        .getPssdConfigurationParametersGroup(false);
+        final ReceptionHandlerParameters rHParameters = new ReceptionHandlerParameters(
+                        CommonTestData.RECEPTION_HANDLER_TYPE, CommonTestData.RECEPTION_HANDLER_CLASS_NAME + "Invalid",
+                        pssdConfiguration, pHParameters);
         final GroupValidationResult validationResult = rHParameters.validate();
         assertEquals(CommonTestData.RECEPTION_HANDLER_TYPE, rHParameters.getReceptionHandlerType());
         assertEquals(CommonTestData.RECEPTION_HANDLER_CLASS_NAME + "Invalid",
-                rHParameters.getReceptionHandlerClassName());
+                        rHParameters.getReceptionHandlerClassName());
         assertEquals(pssdConfiguration, rHParameters.getPssdConfigurationParametersGroup());
         assertEquals(pHParameters, rHParameters.getPluginHandlerParameters());
         assertFalse(validationResult.isValid());
diff --git a/main/src/test/resources/expectedValidationResults/InvalidDecoderAndForwarderParameters.txt b/main/src/test/resources/expectedValidationResults/InvalidDecoderAndForwarderParameters.txt
index 41c7b2d0..392f8456 100644
--- a/main/src/test/resources/expectedValidationResults/InvalidDecoderAndForwarderParameters.txt
+++ b/main/src/test/resources/expectedValidationResults/InvalidDecoderAndForwarderParameters.txt
@@ -4,14 +4,14 @@ parameter group "SDCDistributionGroup" type "org.onap.policy.distribution.main.p
     parameter group "null_DummyReceptionHandler" type "org.onap.policy.distribution.reception.parameters.ReceptionHandlerParameters" INVALID, parameter group has status INVALID
       parameter group "null_PluginHandler" type "org.onap.policy.distribution.reception.parameters.PluginHandlerParameters" INVALID, parameter group has status INVALID
         parameter group map "policyDecoders" INVALID, parameter group has status INVALID
-          parameter group "null" type "org.onap.policy.distribution.reception.parameters.PolicyDecoderParameters" INVALID, parameter group has status INVALID
+          parameter group "" type "org.onap.policy.distribution.reception.parameters.PolicyDecoderParameters" INVALID, parameter group has status INVALID
             field "decoderType" type "java.lang.String" value "" INVALID, must be a non-blank string
             field "decoderClassName" type "java.lang.String" value "org.onap.policy.distribution.main.testclasses.PolicyDecoderApexPdpa" INVALID, policy decoder class not found in classpath
-          parameter group "null" type "org.onap.policy.distribution.reception.parameters.PolicyDecoderParameters" INVALID, parameter group has status INVALID
+          parameter group "DROOLS" type "org.onap.policy.distribution.reception.parameters.PolicyDecoderParameters" INVALID, parameter group has status INVALID
             field "decoderClassName" type "java.lang.String" value "" INVALID, must be a non-blank string containing full class name of the decoder
         parameter group map "policyForwarders" INVALID, parameter group has status INVALID
-          parameter group "null" type "org.onap.policy.distribution.forwarding.parameters.PolicyForwarderParameters" INVALID, parameter group has status INVALID
+          parameter group "" type "org.onap.policy.distribution.forwarding.parameters.PolicyForwarderParameters" INVALID, parameter group has status INVALID
             field "forwarderType" type "java.lang.String" value "" INVALID, must be a non-blank string
             field "forwarderClassName" type "java.lang.String" value "org.onap.policy.distribution.main.testclasses.PapStandalonePolicyForwarder" INVALID, policy forwarder class not found in classpath
-          parameter group "null" type "org.onap.policy.distribution.forwarding.parameters.PolicyForwarderParameters" INVALID, parameter group has status INVALID
-            field "forwarderClassName" type "java.lang.String" value "" INVALID, must be a non-blank string containing full class name of the forwarder
+          parameter group "PAPEngineForwarder" type "org.onap.policy.distribution.forwarding.parameters.PolicyForwarderParameters" INVALID, parameter group has status INVALID
+            field "forwarderClassName" type "java.lang.String" value "" INVALID, must be a non-blank string containing full class name of the forwarder
\ No newline at end of file