main/src/test/java/org/onap/policy/api/main/rest/provider/TestPolicyProvider.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP Policy API
   4  * ================================================================================
   5  * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
   6  * Modifications Copyright (C) 2019 Nordix Foundation.
   7  * ================================================================================
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  *      http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  *
  20  * SPDX-License-Identifier: Apache-2.0
  21  * ============LICENSE_END=========================================================
  22  */
  23
  24 package org.onap.policy.api.main.rest.provider;
  25
  26 import static org.assertj.core.api.Assertions.assertThatCode;
  27 import static org.assertj.core.api.Assertions.assertThatThrownBy;
  28 import static org.junit.Assert.assertEquals;
  29 import static org.junit.Assert.assertFalse;
  30 import static org.junit.Assert.assertNotNull;
  31 import static org.junit.Assert.fail;
  32
  33 import java.util.ArrayList;
  34 import java.util.Base64;
  35 import java.util.List;
  36
  37 import org.junit.After;
  38 import org.junit.Before;
  39 import org.junit.Test;
  40 import org.onap.policy.api.main.parameters.ApiParameterGroup;
  41 import org.onap.policy.common.parameters.ParameterService;
  42 import org.onap.policy.common.utils.coder.StandardCoder;
  43 import org.onap.policy.common.utils.coder.StandardYamlCoder;
  44 import org.onap.policy.common.utils.resources.ResourceUtils;
  45 import org.onap.policy.models.base.PfModelException;
  46 import org.onap.policy.models.pdp.concepts.Pdp;
  47 import org.onap.policy.models.pdp.concepts.PdpGroup;
  48 import org.onap.policy.models.pdp.concepts.PdpGroupFilter;
  49 import org.onap.policy.models.pdp.concepts.PdpSubGroup;
  50 import org.onap.policy.models.pdp.enums.PdpHealthStatus;
  51 import org.onap.policy.models.pdp.enums.PdpState;
  52 import org.onap.policy.models.provider.PolicyModelsProvider;
  53 import org.onap.policy.models.provider.PolicyModelsProviderFactory;
  54 import org.onap.policy.models.provider.PolicyModelsProviderParameters;
  55 import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicyIdentifier;
  56 import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicyTypeIdentifier;
  57 import org.onap.policy.models.tosca.authorative.concepts.ToscaServiceTemplate;
  58
  59 /**
  60  * This class performs unit test of {@link PolicyProvider}.
  61  *
  62  * @author Chenfei Gao (cgao@research.att.com)
  63  */
  64 public class TestPolicyProvider {
  65
  66     private static PolicyProvider policyProvider;
  67     private static PolicyTypeProvider policyTypeProvider;
  68     private static PolicyModelsProviderParameters providerParams;
  69     private static ApiParameterGroup apiParamGroup;
  70     private static StandardCoder standardCoder;
  71     private static StandardYamlCoder standardYamlCoder;
  72
  73     private static final String POLICY_RESOURCE = "policies/vCPE.policy.monitoring.input.tosca.json";
  74     private static final String POLICY_TYPE_RESOURCE = "policytypes/onap.policies.monitoring.cdap.tca.hi.lo.app.yaml";
  75     private static final String POLICY_RESOURCE_WITH_BAD_POLICYTYPE_ID = "policies/vCPE.policy.bad.policytypeid.json";
  76     private static final String POLICY_RESOURCE_WITH_BAD_POLICYTYPE_VERSION =
  77             "policies/vCPE.policy.bad.policytypeversion.json";
  78
  79     /**
  80      * Initializes parameters.
  81      *
  82      * @throws PfModelException the PfModel parsing exception
  83      */
  84     @Before
  85     public void setupParameters() throws PfModelException {
  86
  87         standardCoder = new StandardCoder();
  88         standardYamlCoder = new StandardYamlCoder();
  89         providerParams = new PolicyModelsProviderParameters();
  90         providerParams.setDatabaseDriver("org.h2.Driver");
  91         providerParams.setDatabaseUrl("jdbc:h2:mem:testdb");
  92         providerParams.setDatabaseUser("policy");
  93         providerParams.setDatabasePassword(Base64.getEncoder().encodeToString("P01icY".getBytes()));
  94         providerParams.setPersistenceUnit("ToscaConceptTest");
  95         apiParamGroup = new ApiParameterGroup("ApiGroup", null, providerParams);
  96         ParameterService.register(apiParamGroup, true);
  97         policyTypeProvider = new PolicyTypeProvider();
  98         policyProvider = new PolicyProvider();
  99     }
 100
 101     /**
 102      * Closes up DB connections and deregisters API parameter group.
 103      *
 104      * @throws PfModelException the PfModel parsing exception
 105      */
 106     @After
 107     public void tearDown() throws PfModelException {
 108
 109         policyTypeProvider.close();
 110         policyProvider.close();
 111         ParameterService.deregister(apiParamGroup);
 112     }
 113
 114     @Test
 115     public void testFetchPolicies() {
 116
 117         assertThatThrownBy(() -> {
 118             policyProvider.fetchPolicies("dummy", "1.0.0", null, null);
 119         }).hasMessage("policy with ID null:null and type dummy:1.0.0 does not exist");
 120
 121         assertThatThrownBy(() -> {
 122             policyProvider.fetchPolicies("dummy", "1.0.0", "dummy", null);
 123         }).hasMessage("policy with ID dummy:null and type dummy:1.0.0 does not exist");
 124
 125         assertThatThrownBy(() -> {
 126             policyProvider.fetchPolicies("dummy", "1.0.0", "dummy", "1.0.0");
 127         }).hasMessage("policy with ID dummy:1.0.0 and type dummy:1.0.0 does not exist");
 128     }
 129
 130     @Test
 131     public void testFetchLatestPolicies() {
 132
 133         assertThatThrownBy(() -> {
 134             policyProvider.fetchLatestPolicies("dummy", "dummy", "dummy");
 135         }).hasMessage("policy with ID dummy:null and type dummy:dummy does not exist");
 136     }
 137
 138
 139     @Test
 140     public void testFetchDeployedPolicies() {
 141         String policyId = "onap.restart.tca";
 142         String policyVersion = "1.0.0";
 143         String policyTypeVersion = "1.0.0";
 144         String policyTypeId = "onap.policies.monitoring.cdap.tca.hi.lo.app";
 145
 146         // Basic Exception Throw
 147         assertThatThrownBy(() -> {
 148             policyProvider.fetchDeployedPolicies("dummy", "1.0.0", "dummy");
 149         }).hasMessage("could not find policy with ID dummy and type dummy:1.0.0 deployed in any pdp group");
 150
 151         try (PolicyModelsProvider databaseProvider =
 152                 new PolicyModelsProviderFactory().createPolicyModelsProvider(providerParams)) {
 153             assertEquals(0, databaseProvider.getPdpGroups("name").size());
 154             assertEquals(0, databaseProvider.getFilteredPdpGroups(PdpGroupFilter.builder().build()).size());
 155
 156             assertNotNull(databaseProvider.createPdpGroups(new ArrayList<>()));
 157             assertNotNull(databaseProvider.updatePdpGroups(new ArrayList<>()));
 158
 159             PdpGroup pdpGroup = new PdpGroup();
 160             pdpGroup.setName("group");
 161             pdpGroup.setVersion("1.2.3");
 162             pdpGroup.setPdpGroupState(PdpState.ACTIVE);
 163             pdpGroup.setPdpSubgroups(new ArrayList<>());
 164             List<PdpGroup> groupList = new ArrayList<>();
 165             groupList.add(pdpGroup);
 166
 167             PdpSubGroup pdpSubGroup = new PdpSubGroup();
 168             pdpSubGroup.setPdpType("type");
 169             pdpSubGroup.setDesiredInstanceCount(123);
 170             pdpSubGroup.setSupportedPolicyTypes(new ArrayList<>());
 171             pdpSubGroup.getSupportedPolicyTypes().add(new ToscaPolicyTypeIdentifier(policyTypeId, policyTypeVersion));
 172             pdpGroup.getPdpSubgroups().add(pdpSubGroup);
 173
 174             Pdp pdp = new Pdp();
 175             pdp.setInstanceId("type-0");
 176             pdp.setMessage("Hello");
 177             pdp.setPdpState(PdpState.ACTIVE);
 178             pdp.setHealthy(PdpHealthStatus.UNKNOWN);
 179             pdpSubGroup.setPdpInstances(new ArrayList<>());
 180             pdpSubGroup.getPdpInstances().add(pdp);
 181
 182             // Create Pdp Groups
 183             assertEquals(123, databaseProvider.createPdpGroups(groupList).get(0).getPdpSubgroups().get(0)
 184                     .getDesiredInstanceCount());
 185             assertEquals(1, databaseProvider.getPdpGroups("group").size());
 186
 187             // Create Policy Type
 188             assertThatCode(() -> {
 189                 ToscaServiceTemplate policyTypeServiceTemplate = standardYamlCoder.decode(
 190                         ResourceUtils.getResourceAsString(POLICY_TYPE_RESOURCE), ToscaServiceTemplate.class);
 191                 policyTypeProvider.createPolicyType(policyTypeServiceTemplate);
 192             }).doesNotThrowAnyException();
 193
 194             // Create Policy
 195             assertThatCode(() -> {
 196                 String policyString = ResourceUtils.getResourceAsString(POLICY_RESOURCE);
 197                 ToscaServiceTemplate policyServiceTemplate =
 198                         standardCoder.decode(policyString, ToscaServiceTemplate.class);
 199                 ToscaServiceTemplate serviceTemplate =
 200                         policyProvider.createPolicy(policyTypeId, policyTypeVersion, policyServiceTemplate);
 201                 assertFalse(serviceTemplate.getToscaTopologyTemplate().getPolicies().get(0).isEmpty());
 202             }).doesNotThrowAnyException();
 203
 204             // Test fetchDeployedPolicies (deployedPolicyMap.isEmpty())==true
 205             assertThatThrownBy(() -> {
 206                 policyProvider.fetchDeployedPolicies(policyTypeId, policyTypeVersion, policyId);
 207             })  .hasMessage("could not find policy with ID " + policyId + " and type " + policyTypeId + ":"
 208                     + policyTypeVersion + " deployed in any pdp group");
 209
 210
 211             // Update pdpSubGroup
 212             pdpSubGroup.setPolicies(new ArrayList<>());
 213             pdpSubGroup.getPolicies().add(new ToscaPolicyIdentifier(policyId, policyVersion));
 214             assertEquals(1,
 215                     databaseProvider.createPdpGroups(groupList).get(0).getPdpSubgroups().get(0).getPolicies().size());
 216
 217             // Test fetchDeployedPolicies
 218             assertThatCode(() -> {
 219                 policyProvider.fetchDeployedPolicies(policyTypeId, policyTypeVersion, policyId);
 220             }).doesNotThrowAnyException();
 221
 222             // Test validateDeleteEligibility exception path(!pdpGroups.isEmpty())
 223             assertThatThrownBy(() -> {
 224                 policyProvider.deletePolicy("onap.policies.monitoring.cdap.tca.hi.lo.app", "1.0.0", "onap.restart.tca",
 225                         "1.0.0");
 226             })  .hasMessageContaining("policy with ID " + policyId + ":" + policyVersion
 227                     + " cannot be deleted as it is deployed in pdp groups");
 228         } catch (Exception exc) {
 229             fail("Test should not throw an exception");
 230         }
 231     }
 232
 233     @Test
 234     public void testCreatePolicy() {
 235
 236         assertThatThrownBy(() -> {
 237             policyProvider.createPolicy("dummy", "1.0.0", new ToscaServiceTemplate());
 238         }).hasMessage("policy type with ID dummy:1.0.0 does not exist");
 239
 240         assertThatCode(() -> {
 241             ToscaServiceTemplate policyTypeServiceTemplate = standardYamlCoder.decode(
 242                     ResourceUtils.getResourceAsString(POLICY_TYPE_RESOURCE), ToscaServiceTemplate.class);
 243             policyTypeProvider.createPolicyType(policyTypeServiceTemplate);
 244         }).doesNotThrowAnyException();
 245
 246         assertThatThrownBy(() -> {
 247             String badPolicyString = ResourceUtils.getResourceAsString(POLICY_RESOURCE_WITH_BAD_POLICYTYPE_ID);
 248             ToscaServiceTemplate badPolicyServiceTemplate =
 249                     standardCoder.decode(badPolicyString, ToscaServiceTemplate.class);
 250             policyProvider.createPolicy("onap.policies.monitoring.cdap.tca.hi.lo.app", "1.0.0",
 251                     badPolicyServiceTemplate);
 252         }).hasMessage("policy type id does not match");
 253
 254         assertThatThrownBy(() -> {
 255             String badPolicyString = ResourceUtils.getResourceAsString(POLICY_RESOURCE_WITH_BAD_POLICYTYPE_VERSION);
 256             ToscaServiceTemplate badPolicyServiceTemplate =
 257                     standardCoder.decode(badPolicyString, ToscaServiceTemplate.class);
 258             policyProvider.createPolicy("onap.policies.monitoring.cdap.tca.hi.lo.app", "1.0.0",
 259                     badPolicyServiceTemplate);
 260         }).hasMessage("policy type version does not match");
 261
 262         assertThatCode(() -> {
 263             String policyString = ResourceUtils.getResourceAsString(POLICY_RESOURCE);
 264             ToscaServiceTemplate policyServiceTemplate = standardCoder.decode(policyString, ToscaServiceTemplate.class);
 265             ToscaServiceTemplate serviceTemplate = policyProvider
 266                     .createPolicy("onap.policies.monitoring.cdap.tca.hi.lo.app", "1.0.0", policyServiceTemplate);
 267             assertFalse(serviceTemplate.getToscaTopologyTemplate().getPolicies().get(0).isEmpty());
 268         }).doesNotThrowAnyException();
 269     }
 270
 271     @Test
 272     public void testDeletePolicy() {
 273
 274         assertThatThrownBy(() -> {
 275             policyProvider.deletePolicy("dummy", "1.0.0", "dummy", "1.0.0");
 276         }).hasMessage("policy with ID dummy:1.0.0 and type dummy:1.0.0 does not exist");
 277
 278         assertThatCode(() -> {
 279             ToscaServiceTemplate policyTypeServiceTemplate = standardYamlCoder.decode(
 280                     ResourceUtils.getResourceAsString(POLICY_TYPE_RESOURCE), ToscaServiceTemplate.class);
 281             policyTypeProvider.createPolicyType(policyTypeServiceTemplate);
 282         }).doesNotThrowAnyException();
 283
 284         assertThatCode(() -> {
 285             String policyString = ResourceUtils.getResourceAsString(POLICY_RESOURCE);
 286             ToscaServiceTemplate policyServiceTemplate = standardCoder.decode(policyString, ToscaServiceTemplate.class);
 287             ToscaServiceTemplate serviceTemplate = policyProvider
 288                     .createPolicy("onap.policies.monitoring.cdap.tca.hi.lo.app", "1.0.0", policyServiceTemplate);
 289             assertFalse(serviceTemplate.getToscaTopologyTemplate().getPolicies().get(0).isEmpty());
 290         }).doesNotThrowAnyException();
 291
 292         assertThatCode(() -> {
 293             ToscaServiceTemplate serviceTemplate = policyProvider
 294                     .deletePolicy("onap.policies.monitoring.cdap.tca.hi.lo.app", "1.0.0", "onap.restart.tca", "1.0.0");
 295             assertFalse(serviceTemplate.getToscaTopologyTemplate().getPolicies().get(0).isEmpty());
 296         }).doesNotThrowAnyException();
 297
 298         String exceptionMessage = "policy with ID onap.restart.tca:1.0.0 and type "
 299                 + "onap.policies.monitoring.cdap.tca.hi.lo.app:1.0.0 does not exist";
 300         assertThatThrownBy(() -> {
 301             policyProvider.deletePolicy("onap.policies.monitoring.cdap.tca.hi.lo.app", "1.0.0", "onap.restart.tca",
 302                     "1.0.0");
 303         }).hasMessage(exceptionMessage);
 304     }
 305
 306 }