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

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP Policy API
   4  * ================================================================================
   5  * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  *
  19  * SPDX-License-Identifier: Apache-2.0
  20  * ============LICENSE_END=========================================================
  21  */
  22
  23 package org.onap.policy.api.main.rest.provider;
  24
  25 import static org.assertj.core.api.Assertions.assertThatCode;
  26 import static org.assertj.core.api.Assertions.assertThatThrownBy;
  27 import static org.junit.Assert.assertEquals;
  28 import static org.junit.Assert.assertFalse;
  29 import static org.junit.Assert.assertNotNull;
  30 import static org.junit.Assert.assertTrue;
  31
  32 import java.util.Base64;
  33 import java.util.Map;
  34 import org.junit.AfterClass;
  35 import org.junit.BeforeClass;
  36 import org.junit.Test;
  37 import org.onap.policy.api.main.parameters.ApiParameterGroup;
  38 import org.onap.policy.common.parameters.ParameterService;
  39 import org.onap.policy.common.utils.coder.StandardCoder;
  40 import org.onap.policy.common.utils.resources.ResourceUtils;
  41 import org.onap.policy.models.base.PfModelException;
  42 import org.onap.policy.models.provider.PolicyModelsProviderParameters;
  43 import org.onap.policy.models.tosca.authorative.concepts.ToscaServiceTemplate;
  44 import org.onap.policy.models.tosca.legacy.concepts.LegacyGuardPolicyInput;
  45 import org.onap.policy.models.tosca.legacy.concepts.LegacyGuardPolicyOutput;
  46
  47 /**
  48  * This class performs unit test of {@link LegacyGuardPolicyProvider}
  49  *
  50  * @author Chenfei Gao (cgao@research.att.com)
  51  */
  52 public class TestLegacyGuardPolicyProvider {
  53
  54     private static LegacyGuardPolicyProvider guardPolicyProvider;
  55     private static PolicyTypeProvider policyTypeProvider;
  56     private static PolicyModelsProviderParameters providerParams;
  57     private static ApiParameterGroup apiParamGroup;
  58     private static StandardCoder standardCoder;
  59
  60     private static final String POLICY_RESOURCE = "policies/vDNS.policy.guard.frequency.input.json";
  61     private static final String POLICY_RESOURCE_VER1 = "policies/vDNS.policy.guard.frequency.input.ver1.json";
  62     private static final String POLICY_RESOURCE_VER2 = "policies/vDNS.policy.guard.frequency.input.ver2.json";
  63     private static final String POLICY_TYPE_RESOURCE =
  64             "policytypes/onap.policies.controlloop.guard.FrequencyLimiter.json";
  65     private static final String POLICY_TYPE_ID = "onap.policies.controlloop.guard.FrequencyLimiter:1.0.0";
  66     private static final String POLICY_ID = "guard.frequency.scaleout:1.0.0";
  67
  68     /**
  69      * Initializes parameters.
  70      *
  71      * @throws PfModelException the PfModel parsing exception
  72      */
  73     @BeforeClass
  74     public static void setupParameters() throws PfModelException {
  75
  76         standardCoder = new StandardCoder();
  77         providerParams = new PolicyModelsProviderParameters();
  78         providerParams.setDatabaseDriver("org.h2.Driver");
  79         providerParams.setDatabaseUrl("jdbc:h2:mem:testdb");
  80         providerParams.setDatabaseUser("policy");
  81         providerParams.setDatabasePassword(Base64.getEncoder().encodeToString("P01icY".getBytes()));
  82         providerParams.setPersistenceUnit("ToscaConceptTest");
  83         apiParamGroup = new ApiParameterGroup("ApiGroup", null, providerParams);
  84         ParameterService.register(apiParamGroup, true);
  85         guardPolicyProvider = new LegacyGuardPolicyProvider();
  86         policyTypeProvider = new PolicyTypeProvider();
  87     }
  88
  89     /**
  90      * Closes up DB connections and deregisters API parameter group.
  91      *
  92      * @throws PfModelException the PfModel parsing exception
  93      */
  94     @AfterClass
  95     public static void tearDown() throws PfModelException {
  96
  97         guardPolicyProvider.close();
  98         policyTypeProvider.close();
  99         ParameterService.deregister(apiParamGroup);
 100     }
 101
 102
 103     @Test
 104     public void testFetchGuardPolicy() {
 105
 106         assertThatThrownBy(() -> {
 107             guardPolicyProvider.fetchGuardPolicy("dummy", null);
 108         }).hasMessage("no policy found for policy: dummy:null");
 109
 110         assertThatThrownBy(() -> {
 111             guardPolicyProvider.fetchGuardPolicy("dummy", "dummy");
 112         }).hasMessage("legacy policy version is not an integer");
 113
 114         assertThatCode(() -> {
 115             String policyTypeString = ResourceUtils.getResourceAsString(POLICY_TYPE_RESOURCE);
 116             ToscaServiceTemplate policyTypeServiceTemplate =
 117                     standardCoder.decode(policyTypeString, ToscaServiceTemplate.class);
 118             policyTypeProvider.createPolicyType(policyTypeServiceTemplate);
 119
 120             String policyString = ResourceUtils.getResourceAsString(POLICY_RESOURCE_VER1);
 121             LegacyGuardPolicyInput policyToCreate = standardCoder.decode(policyString, LegacyGuardPolicyInput.class);
 122             Map<String, LegacyGuardPolicyOutput> createdPolicy = guardPolicyProvider.createGuardPolicy(policyToCreate);
 123             assertNotNull(createdPolicy);
 124             assertFalse(createdPolicy.isEmpty());
 125
 126             policyString = ResourceUtils.getResourceAsString(POLICY_RESOURCE_VER2);
 127             policyToCreate = standardCoder.decode(policyString, LegacyGuardPolicyInput.class);
 128             createdPolicy = guardPolicyProvider.createGuardPolicy(policyToCreate);
 129             assertNotNull(createdPolicy);
 130             assertFalse(createdPolicy.isEmpty());
 131
 132             Map<String, LegacyGuardPolicyOutput> firstVersion =
 133                     guardPolicyProvider.fetchGuardPolicy("guard.frequency.scaleout", "1");
 134             assertNotNull(firstVersion);
 135             assertEquals("1",
 136                     firstVersion.get("guard.frequency.scaleout").getMetadata().get("policy-version").toString());
 137
 138             Map<String, LegacyGuardPolicyOutput> latestVersion =
 139                     guardPolicyProvider.fetchGuardPolicy("guard.frequency.scaleout", null);
 140             assertNotNull(latestVersion);
 141             assertEquals("2",
 142                     latestVersion.get("guard.frequency.scaleout").getMetadata().get("policy-version").toString());
 143         }).doesNotThrowAnyException();
 144
 145         assertThatThrownBy(() -> {
 146             guardPolicyProvider.fetchGuardPolicy("guard.frequency.scaleout", "1.0.0");
 147         }).hasMessage("legacy policy version is not an integer");
 148
 149         assertThatThrownBy(() -> {
 150             guardPolicyProvider.fetchGuardPolicy("guard.frequency.scaleout", "latest");
 151         }).hasMessage("legacy policy version is not an integer");
 152
 153         assertThatCode(() -> {
 154             guardPolicyProvider.deleteGuardPolicy("guard.frequency.scaleout", "1");
 155             guardPolicyProvider.deleteGuardPolicy("guard.frequency.scaleout", "2");
 156             policyTypeProvider.deletePolicyType("onap.policies.controlloop.guard.FrequencyLimiter", "1.0.0");
 157         }).doesNotThrowAnyException();
 158     }
 159
 160     @Test
 161     public void testCreateGuardPolicy() {
 162
 163         assertThatThrownBy(() -> {
 164             String policyString = ResourceUtils.getResourceAsString(POLICY_RESOURCE);
 165             LegacyGuardPolicyInput policyToCreate = standardCoder.decode(policyString, LegacyGuardPolicyInput.class);
 166             guardPolicyProvider.createGuardPolicy(policyToCreate);
 167         }).hasMessage("policy type " + POLICY_TYPE_ID + " for policy " + POLICY_ID + " does not exist");
 168
 169         assertThatCode(() -> {
 170             String policyTypeString = ResourceUtils.getResourceAsString(POLICY_TYPE_RESOURCE);
 171             ToscaServiceTemplate policyTypeServiceTemplate =
 172                     standardCoder.decode(policyTypeString, ToscaServiceTemplate.class);
 173             policyTypeProvider.createPolicyType(policyTypeServiceTemplate);
 174
 175             String policyString = ResourceUtils.getResourceAsString(POLICY_RESOURCE);
 176             LegacyGuardPolicyInput policyToCreate = standardCoder.decode(policyString, LegacyGuardPolicyInput.class);
 177             Map<String, LegacyGuardPolicyOutput> createdPolicy = guardPolicyProvider.createGuardPolicy(policyToCreate);
 178             assertNotNull(createdPolicy);
 179             assertFalse(createdPolicy.isEmpty());
 180             assertTrue(createdPolicy.containsKey("guard.frequency.scaleout"));
 181             assertEquals("onap.policies.controlloop.guard.FrequencyLimiter",
 182                     createdPolicy.get("guard.frequency.scaleout").getType());
 183             assertEquals("1.0.0", createdPolicy.get("guard.frequency.scaleout").getVersion());
 184         }).doesNotThrowAnyException();
 185     }
 186
 187     @Test
 188     public void testDeleteGuardPolicy() {
 189
 190         assertThatThrownBy(() -> {
 191             guardPolicyProvider.deleteGuardPolicy("dummy", null);
 192         }).hasMessage("version is marked @NonNull but is null");
 193
 194         assertThatThrownBy(() -> {
 195             guardPolicyProvider.deleteGuardPolicy("dummy", "1.0.0");
 196         }).hasMessage("legacy policy version is not an integer");
 197
 198         assertThatCode(() -> {
 199             String policyTypeString = ResourceUtils.getResourceAsString(POLICY_TYPE_RESOURCE);
 200             ToscaServiceTemplate policyTypeServiceTemplate =
 201                     standardCoder.decode(policyTypeString, ToscaServiceTemplate.class);
 202             policyTypeProvider.createPolicyType(policyTypeServiceTemplate);
 203
 204             String policyString = ResourceUtils.getResourceAsString(POLICY_RESOURCE);
 205             LegacyGuardPolicyInput policyToCreate = standardCoder.decode(policyString, LegacyGuardPolicyInput.class);
 206             Map<String, LegacyGuardPolicyOutput> createdPolicy = guardPolicyProvider.createGuardPolicy(policyToCreate);
 207             assertNotNull(createdPolicy);
 208             assertFalse(createdPolicy.isEmpty());
 209
 210             Map<String, LegacyGuardPolicyOutput> deletedPolicy = guardPolicyProvider
 211                     .deleteGuardPolicy("guard.frequency.scaleout", "1");
 212             assertNotNull(deletedPolicy);
 213             assertFalse(deletedPolicy.isEmpty());
 214             assertTrue(deletedPolicy.containsKey("guard.frequency.scaleout"));
 215             assertEquals("onap.policies.controlloop.guard.FrequencyLimiter",
 216                     deletedPolicy.get("guard.frequency.scaleout").getType());
 217             assertEquals("1",
 218                     deletedPolicy.get("guard.frequency.scaleout").getMetadata().get("policy-version").toString());
 219         }).doesNotThrowAnyException();
 220
 221         assertThatThrownBy(() -> {
 222             guardPolicyProvider.deleteGuardPolicy("guard.frequency.scaleout", "1");
 223         }).hasMessage("no policy found for policy: guard.frequency.scaleout:1");
 224
 225         assertThatCode(() -> {
 226             policyTypeProvider.deletePolicyType("onap.policies.controlloop.guard.FrequencyLimiter", "1.0.0");
 227         }).doesNotThrowAnyException();
 228     }
 229 }