Fix sonar issues for tests in policy-models

Tests refactoring to reduce number of assertions

Issue-ID: POLICY-3094
Change-Id: I445462f0ec5d49474b10c1940c7fa12e687636de
Signed-off-by: lapentafd <francesco.lapenta@est.tech>

3 files changed, 107 insertions, 103 deletions

diff --git a/models-provider/src/test/java/org/onap/policy/models/provider/impl/DatabasePolicyModelsProviderTest.java b/models-provider/src/test/java/org/onap/policy/models/provider/impl/DatabasePolicyModelsProviderTest.java
index 0cdd1bc40..d3b20b901 100644
--- a/models-provider/src/test/java/org/onap/policy/models/provider/impl/DatabasePolicyModelsProviderTest.java
+++ b/models-provider/src/test/java/org/onap/policy/models/provider/impl/DatabasePolicyModelsProviderTest.java
@@ -192,6 +192,13 @@ public class DatabasePolicyModelsProviderTest {
         assertThatThrownBy(() -> {
             databaseProvider.deletePolicy("aaa", null);
         }).hasMessageMatching("^version is marked .*on.*ull but is null$");
+    }
+
+    @Test
+    public void testProviderMethodsNullGroup() throws Exception {
+
+        PolicyModelsProvider databaseProvider =
+                new PolicyModelsProviderFactory().createPolicyModelsProvider(parameters);
 
         assertThatThrownBy(() -> {
             databaseProvider.getFilteredPdpGroups(null);
@@ -344,7 +351,10 @@ public class DatabasePolicyModelsProviderTest {
 
         assertNotNull(databaseProvider.createPdpGroups(new ArrayList<>()));
         assertNotNull(databaseProvider.updatePdpGroups(new ArrayList<>()));
+    }
 
+    @Test
+    public void testProviderMethodsInGroups() throws PfModelException {
         PdpGroup pdpGroup = new PdpGroup();
         pdpGroup.setName(GROUP);
         pdpGroup.setVersion("1.2.3");
@@ -376,6 +386,9 @@ public class DatabasePolicyModelsProviderTest {
         ArrayList<PdpStatistics> statisticsArrayList = new ArrayList<>();
         statisticsArrayList.add(pdpStatistics);
 
+        PolicyModelsProvider databaseProvider =
+                new PolicyModelsProviderFactory().createPolicyModelsProvider(parameters);
+
         assertEquals(123,
                 databaseProvider.createPdpGroups(groupList).get(0).getPdpSubgroups().get(0).getDesiredInstanceCount());
         assertEquals(1, databaseProvider.getPdpGroups(GROUP).size());
@@ -401,6 +414,13 @@ public class DatabasePolicyModelsProviderTest {
         assertEquals(0, databaseProvider.getPdpStatistics(null, null).size());
         assertEquals(1, databaseProvider.createPdpStatistics(statisticsArrayList).size());
         assertEquals(1, databaseProvider.updatePdpStatistics(statisticsArrayList).size());
+    }
+
+
+    @Test
+    public void testProviderMethodsStatistics() throws PfModelException {
+        PolicyModelsProvider databaseProvider =
+                new PolicyModelsProviderFactory().createPolicyModelsProvider(parameters);
 
         assertEquals(NAME, databaseProvider.getPdpStatistics(null, null).get(0).getPdpInstanceId());
         assertEquals(NAME, databaseProvider.getFilteredPdpStatistics(null, GROUP, null,
diff --git a/models-provider/src/test/java/org/onap/policy/models/provider/impl/DummyPolicyModelsProviderTest.java b/models-provider/src/test/java/org/onap/policy/models/provider/impl/DummyPolicyModelsProviderTest.java
index 428aecc36..67a1449f6 100644
--- a/models-provider/src/test/java/org/onap/policy/models/provider/impl/DummyPolicyModelsProviderTest.java
+++ b/models-provider/src/test/java/org/onap/policy/models/provider/impl/DummyPolicyModelsProviderTest.java
@@ -33,6 +33,7 @@ import static org.junit.Assert.assertTrue;
 import java.time.Instant;
 import java.util.ArrayList;
 import org.junit.Test;
+import org.onap.policy.models.base.PfModelException;
 import org.onap.policy.models.pdp.concepts.Pdp;
 import org.onap.policy.models.pdp.concepts.PdpGroupFilter;
 import org.onap.policy.models.pdp.concepts.PdpSubGroup;
@@ -76,12 +77,7 @@ public class DummyPolicyModelsProviderTest {
 
     @Test
     public void testProviderMethods() throws Exception {
-        PolicyModelsProviderParameters parameters = new PolicyModelsProviderParameters();
-        parameters.setImplementation(DummyPolicyModelsProviderImpl.class.getName());
-        parameters.setDatabaseUrl("jdbc:dummy");
-        parameters.setPersistenceUnit("dummy");
-
-        PolicyModelsProvider dummyProvider = new PolicyModelsProviderFactory().createPolicyModelsProvider(parameters);
+        PolicyModelsProvider dummyProvider = setUpDummyProvider();
         dummyProvider.init();
 
         assertNotNull(dummyProvider.getPolicyTypes("name", VERSION));
@@ -105,6 +101,12 @@ public class DummyPolicyModelsProviderTest {
         assertTrue(dummyProvider.createPdpGroups(new ArrayList<>()).isEmpty());
         assertTrue(dummyProvider.updatePdpGroups(new ArrayList<>()).isEmpty());
         assertNull(dummyProvider.deletePdpGroup("name"));
+    }
+
+    @Test
+    public void testProviderMethodsParameters() throws Exception {
+        PolicyModelsProvider dummyProvider = setUpDummyProvider();
+        dummyProvider.init();
 
         dummyProvider.updatePdpSubGroup("name", new PdpSubGroup());
         dummyProvider.updatePdp("name", "type", new Pdp());
@@ -138,4 +140,14 @@ public class DummyPolicyModelsProviderTest {
             assertThatThrownBy(resp::getBadDummyResponse2).hasMessage("error serializing object");
         }
     }
+
+    private PolicyModelsProvider setUpDummyProvider() throws PfModelException {
+        PolicyModelsProviderParameters parameters = new PolicyModelsProviderParameters();
+        parameters.setImplementation(DummyPolicyModelsProviderImpl.class.getName());
+        parameters.setDatabaseUrl("jdbc:dummy");
+        parameters.setPersistenceUnit("dummy");
+
+        PolicyModelsProvider dummyProvider = new PolicyModelsProviderFactory().createPolicyModelsProvider(parameters);
+        return dummyProvider;
+    }
 }
diff --git a/models-provider/src/test/java/org/onap/policy/models/provider/revisionhierarchy/HierarchyFetchTest.java b/models-provider/src/test/java/org/onap/policy/models/provider/revisionhierarchy/HierarchyFetchTest.java
index c107f1273..1590b38c5 100644
--- a/models-provider/src/test/java/org/onap/policy/models/provider/revisionhierarchy/HierarchyFetchTest.java
+++ b/models-provider/src/test/java/org/onap/policy/models/provider/revisionhierarchy/HierarchyFetchTest.java
@@ -1,6 +1,6 @@
 /*-
  * ============LICENSE_START=======================================================
- *  Copyright (C) 2020 Nordix Foundation.
+ *  Copyright (C) 2020-2021 Nordix Foundation.
  *  Modifications Copyright (C) 2020 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -80,33 +80,30 @@ public class HierarchyFetchTest {
         assertLatestDataTypesAreReturned(fetchedServiceTemplate);
         assertEquals(1, fetchedServiceTemplate.getPolicyTypes().size());
         ToscaPolicyType fetchedPolicyType = fetchedServiceTemplate.getPolicyTypes().values().iterator().next();
-        assertEquals("onap.policies.PolicyTypeLevel0", fetchedPolicyType.getName());
-        assertEquals("3.0.0", fetchedPolicyType.getVersion());
-        assertEquals(3, countReturnedPolicies(fetchedServiceTemplate));
+        checkEqualsPolicyType(fetchedPolicyType, "onap.policies.PolicyTypeLevel0",
+                "3.0.0", fetchedServiceTemplate, 3);
+
 
         fetchedServiceTemplate = databaseProvider.getPolicies("onap.policies.PolicyLevel0", "1.0.0");
         assertOldDataTypesAreReturned(fetchedServiceTemplate);
         assertEquals(1, fetchedServiceTemplate.getPolicyTypes().size());
         fetchedPolicyType = fetchedServiceTemplate.getPolicyTypes().values().iterator().next();
-        assertEquals("onap.policies.PolicyTypeLevel0", fetchedPolicyType.getName());
-        assertEquals("1.0.0", fetchedPolicyType.getVersion());
-        assertEquals(1, countReturnedPolicies(fetchedServiceTemplate));
+        checkEqualsPolicyType(fetchedPolicyType, "onap.policies.PolicyTypeLevel0",
+                "1.0.0", fetchedServiceTemplate, 1);
 
         fetchedServiceTemplate = databaseProvider.getPolicies("onap.policies.PolicyLevel0", "1.1.0");
         assertOldDataTypesAreReturned(fetchedServiceTemplate);
         assertEquals(1, fetchedServiceTemplate.getPolicyTypes().size());
         fetchedPolicyType = fetchedServiceTemplate.getPolicyTypes().values().iterator().next();
-        assertEquals("onap.policies.PolicyTypeLevel0", fetchedPolicyType.getName());
-        assertEquals("2.0.0", fetchedPolicyType.getVersion());
-        assertEquals(1, countReturnedPolicies(fetchedServiceTemplate));
+        checkEqualsPolicyType(fetchedPolicyType, "onap.policies.PolicyTypeLevel0",
+                "2.0.0", fetchedServiceTemplate, 1);
 
         fetchedServiceTemplate = databaseProvider.getPolicies("onap.policies.PolicyLevel0", "1.2.0");
         assertLatestDataTypesAreReturned(fetchedServiceTemplate);
         assertEquals(1, fetchedServiceTemplate.getPolicyTypes().size());
         fetchedPolicyType = fetchedServiceTemplate.getPolicyTypes().values().iterator().next();
-        assertEquals("onap.policies.PolicyTypeLevel0", fetchedPolicyType.getName());
-        assertEquals("3.0.0", fetchedPolicyType.getVersion());
-        assertEquals(1, countReturnedPolicies(fetchedServiceTemplate));
+        checkEqualsPolicyType(fetchedPolicyType, "onap.policies.PolicyTypeLevel0",
+                "3.0.0", fetchedServiceTemplate, 1);
 
         fetchedServiceTemplate = databaseProvider.getPolicies("onap.policies.PolicyLevel0.1", null);
         assertLatestDataTypesAreReturned(fetchedServiceTemplate);
@@ -114,184 +111,159 @@ public class HierarchyFetchTest {
         Iterator<ToscaPolicyType> fetchedPolicyTypeIterator =
             fetchedServiceTemplate.getPolicyTypes().values().iterator();
         fetchedPolicyType = fetchedPolicyTypeIterator.next();
-        assertEquals("onap.policies.PolicyTypeLevel0", fetchedPolicyType.getName());
-        assertEquals("3.0.0", fetchedPolicyType.getVersion());
+        checkNameVersion(fetchedPolicyType, "onap.policies.PolicyTypeLevel0", "3.0.0");
         fetchedPolicyType = fetchedPolicyTypeIterator.next();
-        assertEquals("onap.policies.PolicyTypeLevel0.1", fetchedPolicyType.getName());
-        assertEquals("3.0.0", fetchedPolicyType.getVersion());
-        assertEquals(3, countReturnedPolicies(fetchedServiceTemplate));
+        checkEqualsPolicyType(fetchedPolicyType, "onap.policies.PolicyTypeLevel0.1",
+                "3.0.0", fetchedServiceTemplate, 3);
 
         fetchedServiceTemplate = databaseProvider.getPolicies("onap.policies.PolicyLevel0.1", "1.0.0");
         assertLatestDataTypesAreReturned(fetchedServiceTemplate);
         assertEquals(2, fetchedServiceTemplate.getPolicyTypes().size());
         fetchedPolicyTypeIterator = fetchedServiceTemplate.getPolicyTypes().values().iterator();
         fetchedPolicyType = fetchedPolicyTypeIterator.next();
-        assertEquals("onap.policies.PolicyTypeLevel0", fetchedPolicyType.getName());
-        assertEquals("3.0.0", fetchedPolicyType.getVersion());
+        checkNameVersion(fetchedPolicyType, "onap.policies.PolicyTypeLevel0", "3.0.0");
         fetchedPolicyType = fetchedPolicyTypeIterator.next();
-        assertEquals("onap.policies.PolicyTypeLevel0.1", fetchedPolicyType.getName());
-        assertEquals("1.0.0", fetchedPolicyType.getVersion());
-        assertEquals(1, countReturnedPolicies(fetchedServiceTemplate));
+        checkEqualsPolicyType(fetchedPolicyType, "onap.policies.PolicyTypeLevel0.1",
+                "1.0.0", fetchedServiceTemplate, 1);
 
         fetchedServiceTemplate = databaseProvider.getPolicies("onap.policies.PolicyLevel0.1", "1.1.0");
         assertLatestDataTypesAreReturned(fetchedServiceTemplate);
         assertEquals(2, fetchedServiceTemplate.getPolicyTypes().size());
         fetchedPolicyTypeIterator = fetchedServiceTemplate.getPolicyTypes().values().iterator();
         fetchedPolicyType = fetchedPolicyTypeIterator.next();
-        assertEquals("onap.policies.PolicyTypeLevel0", fetchedPolicyType.getName());
-        assertEquals("3.0.0", fetchedPolicyType.getVersion());
+        checkNameVersion(fetchedPolicyType, "onap.policies.PolicyTypeLevel0", "3.0.0");
         fetchedPolicyType = fetchedPolicyTypeIterator.next();
-        assertEquals("onap.policies.PolicyTypeLevel0.1", fetchedPolicyType.getName());
-        assertEquals("2.0.0", fetchedPolicyType.getVersion());
-        assertEquals(1, countReturnedPolicies(fetchedServiceTemplate));
+        checkEqualsPolicyType(fetchedPolicyType, "onap.policies.PolicyTypeLevel0.1",
+                "2.0.0", fetchedServiceTemplate, 1);
 
         fetchedServiceTemplate = databaseProvider.getPolicies("onap.policies.PolicyLevel0.1", "1.2.0");
         assertLatestDataTypesAreReturned(fetchedServiceTemplate);
         assertEquals(2, fetchedServiceTemplate.getPolicyTypes().size());
         fetchedPolicyTypeIterator = fetchedServiceTemplate.getPolicyTypes().values().iterator();
         fetchedPolicyType = fetchedPolicyTypeIterator.next();
-        assertEquals("onap.policies.PolicyTypeLevel0", fetchedPolicyType.getName());
-        assertEquals("3.0.0", fetchedPolicyType.getVersion());
+        checkNameVersion(fetchedPolicyType, "onap.policies.PolicyTypeLevel0", "3.0.0");
         fetchedPolicyType = fetchedPolicyTypeIterator.next();
-        assertEquals("onap.policies.PolicyTypeLevel0.1", fetchedPolicyType.getName());
-        assertEquals("3.0.0", fetchedPolicyType.getVersion());
-        assertEquals(1, countReturnedPolicies(fetchedServiceTemplate));
+        checkEqualsPolicyType(fetchedPolicyType, "onap.policies.PolicyTypeLevel0.1",
+                "3.0.0", fetchedServiceTemplate, 1);
 
         fetchedServiceTemplate = databaseProvider.getPolicies("onap.policies.PolicyLevel0.1.2", null);
         assertLatestDataTypesAreReturned(fetchedServiceTemplate);
         assertEquals(3, fetchedServiceTemplate.getPolicyTypes().size());
         fetchedPolicyTypeIterator = fetchedServiceTemplate.getPolicyTypes().values().iterator();
         fetchedPolicyType = fetchedPolicyTypeIterator.next();
-        assertEquals("onap.policies.PolicyTypeLevel0", fetchedPolicyType.getName());
-        assertEquals("3.0.0", fetchedPolicyType.getVersion());
+        checkNameVersion(fetchedPolicyType, "onap.policies.PolicyTypeLevel0", "3.0.0");
         fetchedPolicyType = fetchedPolicyTypeIterator.next();
-        assertEquals("onap.policies.PolicyTypeLevel0.1", fetchedPolicyType.getName());
-        assertEquals("3.0.0", fetchedPolicyType.getVersion());
+        checkNameVersion(fetchedPolicyType, "onap.policies.PolicyTypeLevel0.1", "3.0.0");
         fetchedPolicyType = fetchedPolicyTypeIterator.next();
-        assertEquals("onap.policies.PolicyTypeLevel0.1.2", fetchedPolicyType.getName());
-        assertEquals("3.0.0", fetchedPolicyType.getVersion());
-        assertEquals(3, countReturnedPolicies(fetchedServiceTemplate));
+        checkEqualsPolicyType(fetchedPolicyType, "onap.policies.PolicyTypeLevel0.1.2",
+                "3.0.0", fetchedServiceTemplate, 3);
 
         fetchedServiceTemplate = databaseProvider.getPolicies("onap.policies.PolicyLevel0.1.2", "1.0.0");
         assertLatestDataTypesAreReturned(fetchedServiceTemplate);
         assertEquals(3, fetchedServiceTemplate.getPolicyTypes().size());
         fetchedPolicyTypeIterator = fetchedServiceTemplate.getPolicyTypes().values().iterator();
         fetchedPolicyType = fetchedPolicyTypeIterator.next();
-        assertEquals("onap.policies.PolicyTypeLevel0", fetchedPolicyType.getName());
-        assertEquals("3.0.0", fetchedPolicyType.getVersion());
+        checkNameVersion(fetchedPolicyType, "onap.policies.PolicyTypeLevel0", "3.0.0");
         fetchedPolicyType = fetchedPolicyTypeIterator.next();
-        assertEquals("onap.policies.PolicyTypeLevel0.1", fetchedPolicyType.getName());
-        assertEquals("3.0.0", fetchedPolicyType.getVersion());
+        checkNameVersion(fetchedPolicyType, "onap.policies.PolicyTypeLevel0.1", "3.0.0");
         fetchedPolicyType = fetchedPolicyTypeIterator.next();
-        assertEquals("onap.policies.PolicyTypeLevel0.1.2", fetchedPolicyType.getName());
-        assertEquals("1.0.0", fetchedPolicyType.getVersion());
-        assertEquals(1, countReturnedPolicies(fetchedServiceTemplate));
+        checkEqualsPolicyType(fetchedPolicyType, "onap.policies.PolicyTypeLevel0.1.2",
+                "1.0.0", fetchedServiceTemplate, 1);
 
         fetchedServiceTemplate = databaseProvider.getPolicies("onap.policies.PolicyLevel0.1.2", "1.1.0");
         assertLatestDataTypesAreReturned(fetchedServiceTemplate);
         assertEquals(3, fetchedServiceTemplate.getPolicyTypes().size());
         fetchedPolicyTypeIterator = fetchedServiceTemplate.getPolicyTypes().values().iterator();
         fetchedPolicyType = fetchedPolicyTypeIterator.next();
-        assertEquals("onap.policies.PolicyTypeLevel0", fetchedPolicyType.getName());
-        assertEquals("3.0.0", fetchedPolicyType.getVersion());
+        checkNameVersion(fetchedPolicyType, "onap.policies.PolicyTypeLevel0", "3.0.0");
         fetchedPolicyType = fetchedPolicyTypeIterator.next();
-        assertEquals("onap.policies.PolicyTypeLevel0.1", fetchedPolicyType.getName());
-        assertEquals("3.0.0", fetchedPolicyType.getVersion());
+        checkNameVersion(fetchedPolicyType, "onap.policies.PolicyTypeLevel0.1", "3.0.0");
         fetchedPolicyType = fetchedPolicyTypeIterator.next();
-        assertEquals("onap.policies.PolicyTypeLevel0.1.2", fetchedPolicyType.getName());
-        assertEquals("2.0.0", fetchedPolicyType.getVersion());
-        assertEquals(1, countReturnedPolicies(fetchedServiceTemplate));
+        checkEqualsPolicyType(fetchedPolicyType, "onap.policies.PolicyTypeLevel0.1.2",
+                "2.0.0", fetchedServiceTemplate, 1);
 
         fetchedServiceTemplate = databaseProvider.getPolicies("onap.policies.PolicyLevel0.1.2", "1.2.0");
         assertLatestDataTypesAreReturned(fetchedServiceTemplate);
         assertEquals(3, fetchedServiceTemplate.getPolicyTypes().size());
         fetchedPolicyTypeIterator = fetchedServiceTemplate.getPolicyTypes().values().iterator();
         fetchedPolicyType = fetchedPolicyTypeIterator.next();
-        assertEquals("onap.policies.PolicyTypeLevel0", fetchedPolicyType.getName());
-        assertEquals("3.0.0", fetchedPolicyType.getVersion());
+        checkNameVersion(fetchedPolicyType, "onap.policies.PolicyTypeLevel0", "3.0.0");
         fetchedPolicyType = fetchedPolicyTypeIterator.next();
-        assertEquals("onap.policies.PolicyTypeLevel0.1", fetchedPolicyType.getName());
-        assertEquals("3.0.0", fetchedPolicyType.getVersion());
+        checkNameVersion(fetchedPolicyType, "onap.policies.PolicyTypeLevel0.1", "3.0.0");
         fetchedPolicyType = fetchedPolicyTypeIterator.next();
-        assertEquals("onap.policies.PolicyTypeLevel0.1.2", fetchedPolicyType.getName());
-        assertEquals("3.0.0", fetchedPolicyType.getVersion());
-        assertEquals(1, countReturnedPolicies(fetchedServiceTemplate));
+        checkEqualsPolicyType(fetchedPolicyType, "onap.policies.PolicyTypeLevel0.1.2",
+                "3.0.0", fetchedServiceTemplate, 1);
 
         fetchedServiceTemplate = databaseProvider.getPolicies("onap.policies.PolicyLevel0.1.2.3", null);
         assertLatestDataTypesAreReturned(fetchedServiceTemplate);
         assertEquals(4, fetchedServiceTemplate.getPolicyTypes().size());
         fetchedPolicyTypeIterator = fetchedServiceTemplate.getPolicyTypes().values().iterator();
         fetchedPolicyType = fetchedPolicyTypeIterator.next();
-        assertEquals("onap.policies.PolicyTypeLevel0", fetchedPolicyType.getName());
-        assertEquals("3.0.0", fetchedPolicyType.getVersion());
+        checkNameVersion(fetchedPolicyType, "onap.policies.PolicyTypeLevel0", "3.0.0");
         fetchedPolicyType = fetchedPolicyTypeIterator.next();
-        assertEquals("onap.policies.PolicyTypeLevel0.1", fetchedPolicyType.getName());
-        assertEquals("3.0.0", fetchedPolicyType.getVersion());
+        checkNameVersion(fetchedPolicyType, "onap.policies.PolicyTypeLevel0.1", "3.0.0");
         fetchedPolicyType = fetchedPolicyTypeIterator.next();
-        assertEquals("onap.policies.PolicyTypeLevel0.1.2", fetchedPolicyType.getName());
-        assertEquals("3.0.0", fetchedPolicyType.getVersion());
+        checkNameVersion(fetchedPolicyType, "onap.policies.PolicyTypeLevel0.1.2", "3.0.0");
         fetchedPolicyType = fetchedPolicyTypeIterator.next();
-        assertEquals("onap.policies.PolicyTypeLevel0.1.2.3", fetchedPolicyType.getName());
-        assertEquals("3.0.0", fetchedPolicyType.getVersion());
-        assertEquals(3, countReturnedPolicies(fetchedServiceTemplate));
+        checkEqualsPolicyType(fetchedPolicyType, "onap.policies.PolicyTypeLevel0.1.2.3",
+                "3.0.0", fetchedServiceTemplate, 3);
 
         fetchedServiceTemplate = databaseProvider.getPolicies("onap.policies.PolicyLevel0.1.2.3", "1.0.0");
         assertLatestDataTypesAreReturned(fetchedServiceTemplate);
         assertEquals(4, fetchedServiceTemplate.getPolicyTypes().size());
         fetchedPolicyTypeIterator = fetchedServiceTemplate.getPolicyTypes().values().iterator();
         fetchedPolicyType = fetchedPolicyTypeIterator.next();
-        assertEquals("onap.policies.PolicyTypeLevel0", fetchedPolicyType.getName());
-        assertEquals("3.0.0", fetchedPolicyType.getVersion());
+        checkNameVersion(fetchedPolicyType, "onap.policies.PolicyTypeLevel0", "3.0.0");
         fetchedPolicyType = fetchedPolicyTypeIterator.next();
-        assertEquals("onap.policies.PolicyTypeLevel0.1", fetchedPolicyType.getName());
-        assertEquals("3.0.0", fetchedPolicyType.getVersion());
+        checkNameVersion(fetchedPolicyType, "onap.policies.PolicyTypeLevel0.1", "3.0.0");
         fetchedPolicyType = fetchedPolicyTypeIterator.next();
-        assertEquals("onap.policies.PolicyTypeLevel0.1.2", fetchedPolicyType.getName());
-        assertEquals("3.0.0", fetchedPolicyType.getVersion());
+        checkNameVersion(fetchedPolicyType, "onap.policies.PolicyTypeLevel0.1.2", "3.0.0");
         fetchedPolicyType = fetchedPolicyTypeIterator.next();
-        assertEquals("onap.policies.PolicyTypeLevel0.1.2.3", fetchedPolicyType.getName());
-        assertEquals("1.0.0", fetchedPolicyType.getVersion());
-        assertEquals(1, countReturnedPolicies(fetchedServiceTemplate));
+        checkEqualsPolicyType(fetchedPolicyType, "onap.policies.PolicyTypeLevel0.1.2.3",
+                "1.0.0", fetchedServiceTemplate, 1);
 
         fetchedServiceTemplate = databaseProvider.getPolicies("onap.policies.PolicyLevel0.1.2.3", "1.1.0");
         assertLatestDataTypesAreReturned(fetchedServiceTemplate);
         assertEquals(4, fetchedServiceTemplate.getPolicyTypes().size());
         fetchedPolicyTypeIterator = fetchedServiceTemplate.getPolicyTypes().values().iterator();
         fetchedPolicyType = fetchedPolicyTypeIterator.next();
-        assertEquals("onap.policies.PolicyTypeLevel0", fetchedPolicyType.getName());
-        assertEquals("3.0.0", fetchedPolicyType.getVersion());
+        checkNameVersion(fetchedPolicyType, "onap.policies.PolicyTypeLevel0", "3.0.0");
         fetchedPolicyType = fetchedPolicyTypeIterator.next();
-        assertEquals("onap.policies.PolicyTypeLevel0.1", fetchedPolicyType.getName());
-        assertEquals("3.0.0", fetchedPolicyType.getVersion());
+        checkNameVersion(fetchedPolicyType, "onap.policies.PolicyTypeLevel0.1", "3.0.0");
         fetchedPolicyType = fetchedPolicyTypeIterator.next();
-        assertEquals("onap.policies.PolicyTypeLevel0.1.2", fetchedPolicyType.getName());
-        assertEquals("3.0.0", fetchedPolicyType.getVersion());
+        checkNameVersion(fetchedPolicyType, "onap.policies.PolicyTypeLevel0.1.2", "3.0.0");
         fetchedPolicyType = fetchedPolicyTypeIterator.next();
-        assertEquals("onap.policies.PolicyTypeLevel0.1.2.3", fetchedPolicyType.getName());
-        assertEquals("2.0.0", fetchedPolicyType.getVersion());
-        assertEquals(1, countReturnedPolicies(fetchedServiceTemplate));
+        checkEqualsPolicyType(fetchedPolicyType, "onap.policies.PolicyTypeLevel0.1.2.3",
+                "2.0.0", fetchedServiceTemplate, 1);
 
         fetchedServiceTemplate = databaseProvider.getPolicies("onap.policies.PolicyLevel0.1.2.3", "1.2.0");
         assertLatestDataTypesAreReturned(fetchedServiceTemplate);
         assertEquals(4, fetchedServiceTemplate.getPolicyTypes().size());
         fetchedPolicyTypeIterator = fetchedServiceTemplate.getPolicyTypes().values().iterator();
         fetchedPolicyType = fetchedPolicyTypeIterator.next();
-        assertEquals("onap.policies.PolicyTypeLevel0", fetchedPolicyType.getName());
-        assertEquals("3.0.0", fetchedPolicyType.getVersion());
+        checkNameVersion(fetchedPolicyType, "onap.policies.PolicyTypeLevel0", "3.0.0");
         fetchedPolicyType = fetchedPolicyTypeIterator.next();
-        assertEquals("onap.policies.PolicyTypeLevel0.1", fetchedPolicyType.getName());
-        assertEquals("3.0.0", fetchedPolicyType.getVersion());
+        checkNameVersion(fetchedPolicyType, "onap.policies.PolicyTypeLevel0.1", "3.0.0");
         fetchedPolicyType = fetchedPolicyTypeIterator.next();
-        assertEquals("onap.policies.PolicyTypeLevel0.1.2", fetchedPolicyType.getName());
-        assertEquals("3.0.0", fetchedPolicyType.getVersion());
+        checkNameVersion(fetchedPolicyType, "onap.policies.PolicyTypeLevel0.1.2", "3.0.0");
         fetchedPolicyType = fetchedPolicyTypeIterator.next();
-        assertEquals("onap.policies.PolicyTypeLevel0.1.2.3", fetchedPolicyType.getName());
-        assertEquals("3.0.0", fetchedPolicyType.getVersion());
-        assertEquals(1, countReturnedPolicies(fetchedServiceTemplate));
+        checkEqualsPolicyType(fetchedPolicyType, "onap.policies.PolicyTypeLevel0.1.2.3",
+                "3.0.0", fetchedServiceTemplate, 1);
 
         databaseProvider.close();
     }
 
+    private void checkNameVersion(ToscaPolicyType fetchedPolicyType, String name, String ver) {
+        assertEquals(name, fetchedPolicyType.getName());
+        assertEquals(ver, fetchedPolicyType.getVersion());
+    }
+
+    private void checkEqualsPolicyType(ToscaPolicyType fetchedPolicyType, String name, String ver,
+            ToscaServiceTemplate fetchedServiceTemplate, int policies) {
+        checkNameVersion(fetchedPolicyType, name, ver);
+        assertEquals(policies, countReturnedPolicies(fetchedServiceTemplate));
+    }
+
     private void assertOldDataTypesAreReturned(final ToscaServiceTemplate fetchedServiceTemplate) {
         assertEquals(6, fetchedServiceTemplate.getDataTypes().size());
         assertEquals("1.0.0", fetchedServiceTemplate.getDataTypes().get("policy.data.DataType0").getVersion());