Remove legacy providers from api
[policy/api.git] / main / src / test / java / org / onap / policy / api / main / rest / provider / TestPolicyProvider.java
index 7720575..aba6e55 100644 (file)
@@ -2,7 +2,9 @@
  * ============LICENSE_START=======================================================
  * ONAP Policy API
  * ================================================================================
- * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2019-2020 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2019-2020 Nordix Foundation.
+ * Modifications Copyright (C) 2020 Bell Canada.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
 
 package org.onap.policy.api.main.rest.provider;
 
+import static org.assertj.core.api.Assertions.assertThat;
 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.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.fail;
 
+import java.util.ArrayList;
 import java.util.Base64;
-import org.junit.AfterClass;
-import org.junit.BeforeClass;
+import java.util.Collections;
+import java.util.List;
+import org.junit.After;
+import org.junit.Before;
 import org.junit.Test;
 import org.onap.policy.api.main.parameters.ApiParameterGroup;
 import org.onap.policy.common.parameters.ParameterService;
+import org.onap.policy.common.utils.coder.CoderException;
 import org.onap.policy.common.utils.coder.StandardCoder;
+import org.onap.policy.common.utils.coder.StandardYamlCoder;
 import org.onap.policy.common.utils.resources.ResourceUtils;
 import org.onap.policy.models.base.PfModelException;
+import org.onap.policy.models.pdp.concepts.Pdp;
+import org.onap.policy.models.pdp.concepts.PdpGroup;
+import org.onap.policy.models.pdp.concepts.PdpGroupFilter;
+import org.onap.policy.models.pdp.concepts.PdpSubGroup;
+import org.onap.policy.models.pdp.enums.PdpHealthStatus;
+import org.onap.policy.models.pdp.enums.PdpState;
+import org.onap.policy.models.provider.PolicyModelsProvider;
+import org.onap.policy.models.provider.PolicyModelsProviderFactory;
 import org.onap.policy.models.provider.PolicyModelsProviderParameters;
+import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicyIdentifier;
+import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicyTypeIdentifier;
 import org.onap.policy.models.tosca.authorative.concepts.ToscaServiceTemplate;
 
 /**
- * This class performs unit test of {@link PolicyProvider}
+ * This class performs unit test of {@link PolicyProvider}.
  *
  * @author Chenfei Gao (cgao@research.att.com)
  */
@@ -50,28 +71,43 @@ public class TestPolicyProvider {
     private static PolicyModelsProviderParameters providerParams;
     private static ApiParameterGroup apiParamGroup;
     private static StandardCoder standardCoder;
+    private static StandardYamlCoder standardYamlCoder;
 
     private static final String POLICY_RESOURCE = "policies/vCPE.policy.monitoring.input.tosca.json";
-    private static final String POLICY_TYPE_RESOURCE = "policytypes/onap.policy.monitoring.cdap.tca.hi.lo.app.json";
+    private static final String POLICY_TYPE_RESOURCE = "policytypes/onap.policies.monitoring.cdap.tca.hi.lo.app.yaml";
     private static final String POLICY_RESOURCE_WITH_BAD_POLICYTYPE_ID = "policies/vCPE.policy.bad.policytypeid.json";
     private static final String POLICY_RESOURCE_WITH_BAD_POLICYTYPE_VERSION =
-            "policies/vCPE.policy.bad.policytypeversion.json";
+        "policies/vCPE.policy.bad.policytypeversion.json";
+    private static final String POLICY_RESOURCE_WITH_NO_POLICY_VERSION = "policies/vCPE.policy.no.policyversion.json";
+    private static final String POLICY_RESOURCE_WITH_DIFFERENT_FIELDS =
+        "policies/vCPE.policy.different.policy.fields.json";
+    private static final String MULTIPLE_POLICIES_RESOURCE = "policies/vCPE.policies.optimization.input.tosca.json";
+
+    public static final String POLICY_TYPE_RESOURCE_OPERATIONAL_COMMON =
+        "policytypes/onap.policies.controlloop.operational.Common.yaml";
+    public static final String POLICY_TYPE_RESOURCE_OPERATIONAL_DROOLS =
+        "policytypes/onap.policies.controlloop.operational.common.Drools.yaml";
+    private static final String POLICY_RESOURCE_OPERATIONAL = "policies/vCPE.policy.operational.input.tosca.json";
+    public static final String POLICY_TYPE_OPERATIONAL_DROOLS = "onap.policies.controlloop.operational.common.Drools";
 
     /**
      * Initializes parameters.
      *
      * @throws PfModelException the PfModel parsing exception
      */
-    @BeforeClass
-    public static void setupParameters() throws PfModelException {
+    @Before
+    public void setupParameters() throws PfModelException {
 
         standardCoder = new StandardCoder();
+        standardYamlCoder = new StandardYamlCoder();
         providerParams = new PolicyModelsProviderParameters();
+        providerParams.setDatabaseDriver("org.h2.Driver");
         providerParams.setDatabaseUrl("jdbc:h2:mem:testdb");
         providerParams.setDatabaseUser("policy");
         providerParams.setDatabasePassword(Base64.getEncoder().encodeToString("P01icY".getBytes()));
         providerParams.setPersistenceUnit("ToscaConceptTest");
-        apiParamGroup = new ApiParameterGroup("ApiGroup", null, providerParams);
+        apiParamGroup =
+            new ApiParameterGroup("ApiGroup", null, providerParams, Collections.emptyList(), Collections.emptyList());
         ParameterService.register(apiParamGroup, true);
         policyTypeProvider = new PolicyTypeProvider();
         policyProvider = new PolicyProvider();
@@ -82,8 +118,8 @@ public class TestPolicyProvider {
      *
      * @throws PfModelException the PfModel parsing exception
      */
-    @AfterClass
-    public static void tearDown() throws PfModelException {
+    @After
+    public void tearDown() throws PfModelException {
 
         policyTypeProvider.close();
         policyProvider.close();
@@ -94,71 +130,254 @@ public class TestPolicyProvider {
     public void testFetchPolicies() {
 
         assertThatThrownBy(() -> {
-            policyProvider.fetchPolicies("dummy", "dummy", null, null);
-        }).hasMessage("policy with ID null:null and type dummy:dummy does not exist");
+            policyProvider.fetchPolicies("dummy", "1.0.0", null, null, null);
+        }).hasMessage("service template not found in database");
+
+        assertThatThrownBy(() -> {
+            policyProvider.fetchPolicies("dummy", "1.0.0", "dummy", null, null);
+        }).hasMessage("service template not found in database");
 
         assertThatThrownBy(() -> {
-            policyProvider.fetchPolicies("dummy", "dummy", "dummy", null);
-        }).hasMessage("policy with ID dummy:null and type dummy:dummy does not exist");
+            policyProvider.fetchPolicies("dummy", "1.0.0", "dummy", "1.0.0", null);
+        }).hasMessage("service template not found in database");
 
         assertThatThrownBy(() -> {
-            policyProvider.fetchPolicies("dummy", "dummy", "dummy", "dummy");
-        }).hasMessage("policy with ID dummy:dummy and type dummy:dummy does not exist");
+            policyProvider.fetchPolicies(null, null, "dummy", "1.0.0", null);
+        }).hasMessage("service template not found in database");
     }
 
     @Test
     public void testFetchLatestPolicies() {
 
         assertThatThrownBy(() -> {
-            policyProvider.fetchLatestPolicies("dummy", "dummy", "dummy");
-        }).hasMessage("policy with ID dummy:null and type dummy:dummy does not exist");
+            policyProvider.fetchLatestPolicies("dummy", "dummy", "dummy", null);
+        }).hasMessage("service template not found in database");
     }
 
     @Test
     public void testFetchDeployedPolicies() {
+        String policyId = "onap.restart.tca";
+        String policyVersion = "1.0.0";
+        String policyTypeVersion = "1.0.0";
+        String policyTypeId = "onap.policies.monitoring.cdap.tca.hi.lo.app";
 
-        assertThatThrownBy(() -> {
-            policyProvider.fetchDeployedPolicies("dummy", "dummy", "dummy");
-        }).hasMessage("could not find policy with ID dummy and type dummy:dummy deployed in any pdp group");
+        try (PolicyModelsProvider databaseProvider =
+            new PolicyModelsProviderFactory().createPolicyModelsProvider(providerParams)) {
+            assertEquals(0, databaseProvider.getPdpGroups("name").size());
+            assertEquals(0, databaseProvider.getFilteredPdpGroups(PdpGroupFilter.builder().build()).size());
+
+            assertNotNull(databaseProvider.createPdpGroups(new ArrayList<>()));
+            assertNotNull(databaseProvider.updatePdpGroups(new ArrayList<>()));
+
+            PdpGroup pdpGroup = new PdpGroup();
+            pdpGroup.setName("group");
+            pdpGroup.setVersion("1.2.3");
+            pdpGroup.setPdpGroupState(PdpState.ACTIVE);
+            pdpGroup.setPdpSubgroups(new ArrayList<>());
+            List<PdpGroup> groupList = new ArrayList<>();
+            groupList.add(pdpGroup);
+
+            PdpSubGroup pdpSubGroup = new PdpSubGroup();
+            pdpSubGroup.setPdpType("type");
+            pdpSubGroup.setDesiredInstanceCount(123);
+            pdpSubGroup.setSupportedPolicyTypes(new ArrayList<>());
+            pdpSubGroup.getSupportedPolicyTypes().add(new ToscaPolicyTypeIdentifier(policyTypeId, policyTypeVersion));
+            pdpGroup.getPdpSubgroups().add(pdpSubGroup);
+
+            Pdp pdp = new Pdp();
+            pdp.setInstanceId("type-0");
+            pdp.setMessage("Hello");
+            pdp.setPdpState(PdpState.ACTIVE);
+            pdp.setHealthy(PdpHealthStatus.UNKNOWN);
+            pdpSubGroup.setPdpInstances(new ArrayList<>());
+            pdpSubGroup.getPdpInstances().add(pdp);
+
+            // Create Pdp Groups
+            assertEquals(123,
+                databaseProvider.createPdpGroups(groupList).get(0).getPdpSubgroups().get(0).getDesiredInstanceCount());
+            assertEquals(1, databaseProvider.getPdpGroups("group").size());
+
+            // Create Policy Type
+            assertThatCode(() -> {
+                ToscaServiceTemplate policyTypeServiceTemplate = standardYamlCoder
+                    .decode(ResourceUtils.getResourceAsString(POLICY_TYPE_RESOURCE), ToscaServiceTemplate.class);
+                policyTypeProvider.createPolicyType(policyTypeServiceTemplate);
+            }).doesNotThrowAnyException();
+
+            // Create Policy
+            assertThatCode(() -> {
+                String policyString = ResourceUtils.getResourceAsString(POLICY_RESOURCE);
+                ToscaServiceTemplate policyServiceTemplate =
+                    standardCoder.decode(policyString, ToscaServiceTemplate.class);
+                ToscaServiceTemplate serviceTemplate =
+                    policyProvider.createPolicy(policyTypeId, policyTypeVersion, policyServiceTemplate);
+                assertFalse(serviceTemplate.getToscaTopologyTemplate().getPolicies().get(0).isEmpty());
+            }).doesNotThrowAnyException();
+
+            // Update pdpSubGroup
+            pdpSubGroup.setPolicies(new ArrayList<>());
+            pdpSubGroup.getPolicies().add(new ToscaPolicyIdentifier(policyId, policyVersion));
+            assertEquals(1,
+                databaseProvider.createPdpGroups(groupList).get(0).getPdpSubgroups().get(0).getPolicies().size());
+
+            // Test validateDeleteEligibility exception path(!pdpGroups.isEmpty())
+            assertThatThrownBy(() -> {
+                policyProvider.deletePolicy("onap.policies.monitoring.cdap.tca.hi.lo.app", "1.0.0", "onap.restart.tca",
+                    "1.0.0");
+            }).hasMessageContaining("policy is in use, it is deployed in PDP group group subgroup type");
+        } catch (Exception exc) {
+            fail("Test should not throw an exception");
+        }
     }
 
     @Test
-    public void testCreatePolicy() {
+    public void testCreatePolicy() throws Exception {
 
         assertThatThrownBy(() -> {
-            policyProvider.createPolicy("dummy", "dummy", new ToscaServiceTemplate());
-        }).hasMessage("policy type with ID dummy:dummy does not exist");
+            policyProvider.createPolicy("dummy", "1.0.0", new ToscaServiceTemplate());
+        }).hasMessage("topology template not specified on service template");
 
-        assertThatCode(() -> {
-            String policyTypeString = ResourceUtils.getResourceAsString(POLICY_TYPE_RESOURCE);
-            ToscaServiceTemplate policyTypeServiceTemplate =
-                    standardCoder.decode(policyTypeString, ToscaServiceTemplate.class);
-            policyTypeProvider.createPolicyType(policyTypeServiceTemplate);
-        }).doesNotThrowAnyException();
+        ToscaServiceTemplate policyTypeServiceTemplate = standardYamlCoder
+            .decode(ResourceUtils.getResourceAsString(POLICY_TYPE_RESOURCE), ToscaServiceTemplate.class);
+        policyTypeProvider.createPolicyType(policyTypeServiceTemplate);
+
+        assertThatCode(() -> policyTypeProvider.createPolicyType(policyTypeServiceTemplate)).doesNotThrowAnyException();
 
         assertThatThrownBy(() -> {
             String badPolicyString = ResourceUtils.getResourceAsString(POLICY_RESOURCE_WITH_BAD_POLICYTYPE_ID);
             ToscaServiceTemplate badPolicyServiceTemplate =
-                    standardCoder.decode(badPolicyString, ToscaServiceTemplate.class);
+                standardCoder.decode(badPolicyString, ToscaServiceTemplate.class);
             policyProvider.createPolicy("onap.policies.monitoring.cdap.tca.hi.lo.app", "1.0.0",
-                    badPolicyServiceTemplate);
-        }).hasMessage("policy type id does not match");
+                badPolicyServiceTemplate);
+        }).hasMessage(
+            "PolicyType version not specified, the version of the PolicyType for this policy must be specified in the "
+                + "type_version field");
 
         assertThatThrownBy(() -> {
             String badPolicyString = ResourceUtils.getResourceAsString(POLICY_RESOURCE_WITH_BAD_POLICYTYPE_VERSION);
             ToscaServiceTemplate badPolicyServiceTemplate =
-                    standardCoder.decode(badPolicyString, ToscaServiceTemplate.class);
+                standardCoder.decode(badPolicyString, ToscaServiceTemplate.class);
             policyProvider.createPolicy("onap.policies.monitoring.cdap.tca.hi.lo.app", "1.0.0",
-                    badPolicyServiceTemplate);
-        }).hasMessage("policy type version does not match");
+                badPolicyServiceTemplate);
+        }).hasMessageContaining(
+            "policy type onap.policies.monitoring.cdap.tca.hi.lo.app:2.0.0 referenced in policy not found");
+
+        assertThatThrownBy(() -> {
+            String badPolicyString = ResourceUtils.getResourceAsString(POLICY_RESOURCE_WITH_NO_POLICY_VERSION);
+            ToscaServiceTemplate badPolicyServiceTemplate =
+                standardCoder.decode(badPolicyString, ToscaServiceTemplate.class);
+            policyProvider.createPolicy("onap.policies.monitoring.cdap.tca.hi.lo.app", "1.0.0",
+                badPolicyServiceTemplate);
+        }).hasMessageContaining("key version is a null version");
+
+        String policyString = ResourceUtils.getResourceAsString(POLICY_RESOURCE);
+        ToscaServiceTemplate policyServiceTemplate = standardCoder.decode(policyString, ToscaServiceTemplate.class);
+        ToscaServiceTemplate serviceTemplate =
+            policyProvider.createPolicy("onap.policies.monitoring.cdap.tca.hi.lo.app", "1.0.0", policyServiceTemplate);
+        assertFalse(serviceTemplate.getToscaTopologyTemplate().getPolicies().get(0).isEmpty());
+
+        assertThatThrownBy(() -> {
+            String badPolicyString = ResourceUtils.getResourceAsString(POLICY_RESOURCE_WITH_DIFFERENT_FIELDS);
+            ToscaServiceTemplate badPolicyServiceTemplate =
+                standardCoder.decode(badPolicyString, ToscaServiceTemplate.class);
+            policyProvider.createPolicy("onap.policies.monitoring.cdap.tca.hi.lo.app", "1.0.0",
+                badPolicyServiceTemplate);
+        }).hasMessageContaining("entity in incoming fragment does not equal existing entity");
+    }
+
+    @Test
+    public void testCreateOperationalDroolsPolicy() throws CoderException, PfModelException {
+        ToscaServiceTemplate policyTypeServiceTemplate = standardYamlCoder.decode(
+            ResourceUtils.getResourceAsString(POLICY_TYPE_RESOURCE_OPERATIONAL_COMMON), ToscaServiceTemplate.class);
+
+        policyTypeProvider.createPolicyType(policyTypeServiceTemplate);
+
+        policyTypeServiceTemplate = standardYamlCoder.decode(
+            ResourceUtils.getResourceAsString(POLICY_TYPE_RESOURCE_OPERATIONAL_DROOLS), ToscaServiceTemplate.class);
+        policyTypeProvider.createPolicyType(policyTypeServiceTemplate);
+
+        String policyString = ResourceUtils.getResourceAsString(POLICY_RESOURCE_OPERATIONAL);
+        ToscaServiceTemplate policyServiceTemplate = standardCoder.decode(policyString, ToscaServiceTemplate.class);
+        ToscaServiceTemplate serviceTemplate =
+            policyProvider.createPolicy(POLICY_TYPE_OPERATIONAL_DROOLS, "1.0.0", policyServiceTemplate);
+        assertFalse(serviceTemplate.getToscaTopologyTemplate().getPolicies().get(0).isEmpty());
+    }
+
+    @Test
+    public void testSimpleCreatePolicy() throws Exception {
+
+        assertThatThrownBy(() -> {
+            String multiPoliciesString = ResourceUtils.getResourceAsString(MULTIPLE_POLICIES_RESOURCE);
+            ToscaServiceTemplate multiPoliciesServiceTemplate =
+                standardCoder.decode(multiPoliciesString, ToscaServiceTemplate.class);
+            policyProvider.createPolicies(multiPoliciesServiceTemplate);
+        }).hasMessageContaining(
+            "no policy types are defined on the service template for the policies in the topology template");
+
+        // Create required policy types
+        ToscaServiceTemplate policyTypeServiceTemplate =
+            standardYamlCoder.decode(ResourceUtils.getResourceAsString("policytypes/onap.policies.Optimization.yaml"),
+                ToscaServiceTemplate.class);
+        policyTypeProvider.createPolicyType(policyTypeServiceTemplate);
+
+        policyTypeServiceTemplate = standardYamlCoder.decode(
+            ResourceUtils.getResourceAsString("policytypes/onap.policies.optimization.Resource.yaml"),
+            ToscaServiceTemplate.class);
+        policyTypeProvider.createPolicyType(policyTypeServiceTemplate);
+
+        policyTypeServiceTemplate = standardYamlCoder.decode(
+            ResourceUtils.getResourceAsString("policytypes/onap.policies.optimization.resource.AffinityPolicy.yaml"),
+            ToscaServiceTemplate.class);
+        policyTypeProvider.createPolicyType(policyTypeServiceTemplate);
+
+        policyTypeServiceTemplate = standardYamlCoder.decode(
+            ResourceUtils.getResourceAsString("policytypes/onap.policies.optimization.resource.DistancePolicy.yaml"),
+            ToscaServiceTemplate.class);
+        policyTypeProvider.createPolicyType(policyTypeServiceTemplate);
+
+        policyTypeServiceTemplate = standardYamlCoder.decode(
+            ResourceUtils.getResourceAsString("policytypes/onap.policies.optimization.resource.Vim_fit.yaml"),
+            ToscaServiceTemplate.class);
+        policyTypeProvider.createPolicyType(policyTypeServiceTemplate);
+
+        policyTypeServiceTemplate = standardYamlCoder.decode(
+            ResourceUtils.getResourceAsString("policytypes/onap.policies.optimization.resource.HpaPolicy.yaml"),
+            ToscaServiceTemplate.class);
+        policyTypeProvider.createPolicyType(policyTypeServiceTemplate);
+
+        policyTypeServiceTemplate = standardYamlCoder.decode(
+            ResourceUtils.getResourceAsString("policytypes/onap.policies.optimization.resource.VnfPolicy.yaml"),
+            ToscaServiceTemplate.class);
+        policyTypeProvider.createPolicyType(policyTypeServiceTemplate);
+
+        policyTypeServiceTemplate = standardYamlCoder.decode(
+            ResourceUtils.getResourceAsString("policytypes/onap.policies.optimization.Service.yaml"),
+            ToscaServiceTemplate.class);
+        policyTypeProvider.createPolicyType(policyTypeServiceTemplate);
+
+        policyTypeServiceTemplate = standardYamlCoder.decode(
+            ResourceUtils.getResourceAsString("policytypes/onap.policies.optimization.service.SubscriberPolicy.yaml"),
+            ToscaServiceTemplate.class);
+        policyTypeProvider.createPolicyType(policyTypeServiceTemplate);
+
+        policyTypeServiceTemplate = standardYamlCoder.decode(
+            ResourceUtils.getResourceAsString("policytypes/onap.policies.optimization.service.QueryPolicy.yaml"),
+            ToscaServiceTemplate.class);
+        policyTypeProvider.createPolicyType(policyTypeServiceTemplate);
+
+        policyTypeServiceTemplate = standardYamlCoder.decode(
+            ResourceUtils.getResourceAsString("policytypes/onap.policies.monitoring.cdap.tca.hi.lo.app.yaml"),
+            ToscaServiceTemplate.class);
+        policyTypeProvider.createPolicyType(policyTypeServiceTemplate);
+
+        // Create multiple policies in one call
+        String multiPoliciesString = ResourceUtils.getResourceAsString(MULTIPLE_POLICIES_RESOURCE);
+        ToscaServiceTemplate multiPoliciesServiceTemplate =
+            standardCoder.decode(multiPoliciesString, ToscaServiceTemplate.class);
 
         assertThatCode(() -> {
-            String policyString = ResourceUtils.getResourceAsString(POLICY_RESOURCE);
-            ToscaServiceTemplate policyServiceTemplate =
-                    standardCoder.decode(policyString, ToscaServiceTemplate.class);
-            ToscaServiceTemplate serviceTemplate = policyProvider
-                    .createPolicy("onap.policies.monitoring.cdap.tca.hi.lo.app", "1.0.0", policyServiceTemplate);
-            assertFalse(serviceTemplate.getToscaTopologyTemplate().getPolicies().get(0).isEmpty());
+            policyProvider.createPolicies(multiPoliciesServiceTemplate);
+            policyProvider.createPolicies(multiPoliciesServiceTemplate);
         }).doesNotThrowAnyException();
     }
 
@@ -166,20 +385,136 @@ public class TestPolicyProvider {
     public void testDeletePolicy() {
 
         assertThatThrownBy(() -> {
-            policyProvider.deletePolicy("dummy", "dummy", "dummy", "dummy");
-        }).hasMessage("policy with ID dummy:dummy and type dummy:dummy does not exist");
+            policyProvider.deletePolicy("dummy", "1.0.0", "dummy", "1.0.0");
+        }).hasMessage("service template not found in database");
+
+        assertThatCode(() -> {
+            ToscaServiceTemplate policyTypeServiceTemplate = standardYamlCoder
+                .decode(ResourceUtils.getResourceAsString(POLICY_TYPE_RESOURCE), ToscaServiceTemplate.class);
+            policyTypeProvider.createPolicyType(policyTypeServiceTemplate);
+        }).doesNotThrowAnyException();
+
+        assertThatCode(() -> {
+            String policyString = ResourceUtils.getResourceAsString(POLICY_RESOURCE);
+            ToscaServiceTemplate policyServiceTemplate = standardCoder.decode(policyString, ToscaServiceTemplate.class);
+            ToscaServiceTemplate serviceTemplate = policyProvider
+                .createPolicy("onap.policies.monitoring.cdap.tca.hi.lo.app", "1.0.0", policyServiceTemplate);
+            assertFalse(serviceTemplate.getToscaTopologyTemplate().getPolicies().get(0).isEmpty());
+        }).doesNotThrowAnyException();
 
         assertThatCode(() -> {
-            ToscaServiceTemplate serviceTemplate = policyProvider.deletePolicy(
-                    "onap.policies.monitoring.cdap.tca.hi.lo.app", "1.0.0", "onap.restart.tca", "1.0.0");
+            ToscaServiceTemplate serviceTemplate = policyProvider
+                .deletePolicy("onap.policies.monitoring.cdap.tca.hi.lo.app", "1.0.0", "onap.restart.tca", "1.0.0");
             assertFalse(serviceTemplate.getToscaTopologyTemplate().getPolicies().get(0).isEmpty());
         }).doesNotThrowAnyException();
 
-        String exceptionMessage = "policy with ID onap.restart.tca:1.0.0 and type "
-            + "onap.policies.monitoring.cdap.tca.hi.lo.app:1.0.0 does not exist";
         assertThatThrownBy(() -> {
-            policyProvider.deletePolicy("onap.policies.monitoring.cdap.tca.hi.lo.app", "1.0.0",
-                    "onap.restart.tca", "1.0.0");
-        }).hasMessage(exceptionMessage);
+            policyProvider.deletePolicy("onap.policies.monitoring.cdap.tca.hi.lo.app", "1.0.0", "onap.restart.tca",
+                "1.0.0");
+        }).hasMessageContaining("no policies found");
+    }
+
+    @Test
+    public void testFetchAllPolicies() throws Exception {
+        // Create Policy Type
+        ToscaServiceTemplate policyTypeServiceTemplate = standardYamlCoder
+            .decode(ResourceUtils.getResourceAsString(POLICY_TYPE_RESOURCE), ToscaServiceTemplate.class);
+        policyTypeProvider.createPolicyType(policyTypeServiceTemplate);
+
+        // Create Policy
+        String policyString = ResourceUtils.getResourceAsString(POLICY_RESOURCE);
+        ToscaServiceTemplate policyServiceTemplate =
+            standardCoder.decode(policyString, ToscaServiceTemplate.class);
+        ToscaServiceTemplate serviceTemplate = policyProvider.createPolicy(
+            "onap.policies.monitoring.cdap.tca.hi.lo.app", "1.0.0", policyServiceTemplate);
+
+        assertThat(serviceTemplate.getToscaTopologyTemplate().getPolicies()).hasSize(1);
+
+        // Test fetch all policies
+        policyTypeServiceTemplate = policyProvider
+            .fetchPolicies(null,  null, null, null, null);
+
+        assertThat(policyTypeServiceTemplate.getToscaTopologyTemplate().getPolicies()).hasSize(1);
+    }
+
+    @Test
+    public void testFetchSpecificPolicy_availablePolicy() throws Exception {
+        // Create Policy Type
+        ToscaServiceTemplate policyTypeServiceTemplate = standardYamlCoder
+            .decode(ResourceUtils.getResourceAsString(POLICY_TYPE_RESOURCE), ToscaServiceTemplate.class);
+        policyTypeProvider.createPolicyType(policyTypeServiceTemplate);
+
+        // Create Policy
+        String policyString = ResourceUtils.getResourceAsString(POLICY_RESOURCE);
+        ToscaServiceTemplate policyServiceTemplate =
+            standardCoder.decode(policyString, ToscaServiceTemplate.class);
+        ToscaServiceTemplate serviceTemplate = policyProvider.createPolicy(
+            "onap.policies.monitoring.cdap.tca.hi.lo.app", "1.0.0", policyServiceTemplate);
+
+        assertThat(serviceTemplate.getToscaTopologyTemplate().getPolicies()).hasSize(1);
+
+        // Test fetch specific policy
+        assertThat(policyProvider.fetchPolicies(null,  null, "onap.restart.tca",
+            "1.0.0", null).getToscaTopologyTemplate().getPolicies()).hasSize(1);
+    }
+
+    @Test
+    public void testFetchSpecificPolicy_unavailablePolicy() throws Exception {
+        // Create Policy Type
+        ToscaServiceTemplate policyTypeServiceTemplate = standardYamlCoder
+            .decode(ResourceUtils.getResourceAsString(POLICY_TYPE_RESOURCE), ToscaServiceTemplate.class);
+        policyTypeProvider.createPolicyType(policyTypeServiceTemplate);
+
+        // Create Policy
+        String policyString = ResourceUtils.getResourceAsString(POLICY_RESOURCE);
+        ToscaServiceTemplate policyServiceTemplate =
+            standardCoder.decode(policyString, ToscaServiceTemplate.class);
+        ToscaServiceTemplate serviceTemplate = policyProvider.createPolicy(
+            "onap.policies.monitoring.cdap.tca.hi.lo.app", "1.0.0", policyServiceTemplate);
+        assertNotNull(serviceTemplate.getToscaTopologyTemplate().getPolicies());
+        assertThat(serviceTemplate.getToscaTopologyTemplate().getPolicies()).hasSize(1);
+
+        // Test fetch specific policy
+        assertThatThrownBy(() -> policyProvider.fetchPolicies(
+            null,  null, "onap.restart.tca", "2.0.0", null))
+            .hasMessageContaining("policies for onap.restart.tca:2.0.0 do not exist");
+    }
+
+    @Test
+    public void testDeleteSpecificPolicy_availablePolicy() throws Exception {
+        ToscaServiceTemplate policyTypeServiceTemplate = standardYamlCoder
+            .decode(ResourceUtils.getResourceAsString(POLICY_TYPE_RESOURCE), ToscaServiceTemplate.class);
+        policyTypeProvider.createPolicyType(policyTypeServiceTemplate);
+
+        String policyString = ResourceUtils.getResourceAsString(POLICY_RESOURCE);
+        ToscaServiceTemplate policyServiceTemplate = standardCoder.decode(policyString, ToscaServiceTemplate.class);
+        ToscaServiceTemplate serviceTemplate = policyProvider.createPolicy(
+            "onap.policies.monitoring.cdap.tca.hi.lo.app", "1.0.0", policyServiceTemplate);
+        assertThat(serviceTemplate.getToscaTopologyTemplate().getPolicies()).hasSize(1);
+
+        ToscaServiceTemplate svcTemplate = policyProvider
+            .deletePolicy(null, null, "onap.restart.tca", "1.0.0");
+        assertThat(svcTemplate.getToscaTopologyTemplate().getPolicies()).hasSize(1);
+    }
+
+    @Test
+    public void testDeleteSpecificPolicy_unavailablePolicy() throws Exception {
+        ToscaServiceTemplate policyTypeServiceTemplate = standardYamlCoder
+            .decode(ResourceUtils.getResourceAsString(POLICY_TYPE_RESOURCE), ToscaServiceTemplate.class);
+        policyTypeProvider.createPolicyType(policyTypeServiceTemplate);
+
+        String policyString = ResourceUtils.getResourceAsString(POLICY_RESOURCE);
+        ToscaServiceTemplate policyServiceTemplate = standardCoder.decode(policyString, ToscaServiceTemplate.class);
+        ToscaServiceTemplate serviceTemplate = policyProvider.createPolicy(
+            "onap.policies.monitoring.cdap.tca.hi.lo.app", "1.0.0", policyServiceTemplate);
+        assertThat(serviceTemplate.getToscaTopologyTemplate().getPolicies()).hasSize(1);
+
+        assertThatThrownBy(() -> policyProvider
+            .deletePolicy(null, null, "onap.restart.tca", "2.0.0"))
+            .hasMessageContaining("not found");
+
+        assertThatThrownBy(() -> policyProvider.deletePolicy(
+            null, null, "onap.restart.tca.unavailable", "1.0.0"))
+            .hasMessageContaining("not found");
     }
 }